UNLOZE/sm-ext-accelerator-2023
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Added Windows support.

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This commit is contained in:
Asher Baker 2013-05-18 00:46:46 +01:00
parent d03afbbd84
commit e8f2f6e8c9
76 changed files with 31241 additions and 50 deletions
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59
.hgignore
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@ -1,25 +1,34 @@
syntax: glob
build
extension/version_auto.h
google-breakpad/android
google-breakpad/codereview.settings
google-breakpad/README.ANDROID
google-breakpad/src/client/apple
google-breakpad/src/client/ios
google-breakpad/src/client/mac
google-breakpad/src/client/solaris
google-breakpad/src/client/windows
google-breakpad/src/common/android
google-breakpad/src/common/mac
google-breakpad/src/common/solaris
google-breakpad/src/common/testdata
google-breakpad/src/common/tests
google-breakpad/src/common/windows
google-breakpad/src/processor
google-breakpad/src/testing
google-breakpad/src/third_party/curl
google-breakpad/src/third_party/glog
google-breakpad/src/third_party/libdisasm
google-breakpad/src/third_party/linux
google-breakpad/src/third_party/protobuf
google-breakpad/src/tools
syntax: regexp
^build
^extension/version_auto\.h
^google-breakpad/android
^google-breakpad/README\.ANDROID
^google-breakpad/src/client/apple
^google-breakpad/src/client/ios
^google-breakpad/src/client/mac
^google-breakpad/src/client/solaris
^google-breakpad/src/client/windows/sender
^google-breakpad/src/client/windows/tests
^google-breakpad/src/client/windows/unittests
^google-breakpad/src/common/android
^google-breakpad/src/common/mac
^google-breakpad/src/common/solaris
^google-breakpad/src/common/testdata
^google-breakpad/src/common/tests
^google-breakpad/src/common/windows
^google-breakpad/src/processor
^google-breakpad/src/testing
^google-breakpad/src/third_party/curl
^google-breakpad/src/third_party/glog
^google-breakpad/src/third_party/libdisasm
^google-breakpad/src/third_party/linux
^google-breakpad/src/third_party/protobuf
^google-breakpad/src/tools/gyp/.*\.pyc$
^google-breakpad/src/tools/gyp/samples
^google-breakpad/src/tools/gyp/test
^google-breakpad/src/tools/gyp/tools
^google-breakpad/src/tools/linux
^google-breakpad/src/tools/mac
^google-breakpad/src/tools/python
^google-breakpad/src/tools/solaris
^google-breakpad/src/tools/windows

51
extension/AMBuilder
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@ -3,9 +3,10 @@ import os
import ambuild.osutil as osutil
from ambuild.command import SymlinkCommand
from ambuild.command import ShellCommand
from ambuild.command import DirectCommand
def BuildEverything():
if AMBuild.target['platform'] not in ['linux']:
if AMBuild.target['platform'] not in ['linux', 'windows']:
return
BuildBreakpad()
@ -14,11 +15,23 @@ def BuildEverything():
def BuildBreakpad():
breakpad = AMBuild.AddJob('google-breakpad')
if osutil.FileExists(os.path.join(AMBuild.outputFolder, 'google-breakpad', 'src', 'client', 'linux', 'libbreakpad_client.a')):
return
if AMBuild.target['platform'] in ['linux']:
if osutil.FileExists(os.path.join(AMBuild.outputFolder, 'google-breakpad', 'src', 'client', 'linux', 'libbreakpad_client.a')):
return
breakpad.AddCommand(ShellCommand('CXXFLAGS=-m32 CFLAGS=-m32 CPPFLAGS=-m32 ' + os.path.join(AMBuild.sourceFolder, 'google-breakpad', 'configure')))
breakpad.AddCommand(ShellCommand('make src/client/linux/libbreakpad_client.a'))
breakpad.AddCommand(ShellCommand('CXXFLAGS=-m32 CFLAGS=-m32 CPPFLAGS=-m32 ' + os.path.join(AMBuild.sourceFolder, 'google-breakpad', 'configure')))
breakpad.AddCommand(ShellCommand('make src/client/linux/libbreakpad_client.a'))
elif AMBuild.target['platform'] in ['windows']:
if osutil.FileExists(os.path.join(AMBuild.sourceFolder, 'google-breakpad', 'src', 'client', 'windows', 'handler', 'Release', 'lib', 'exception_handler.lib')):
return
gyp = os.path.join(AMBuild.sourceFolder, 'google-breakpad', 'src', 'tools', 'gyp', 'gyp.bat')
gyppath = os.path.join(AMBuild.sourceFolder, 'google-breakpad', 'src', 'client', 'windows', 'handler', 'exception_handler.gyp')
breakpad.AddCommand(DirectCommand([gyp, gyppath]))
slnpath = os.path.join(AMBuild.sourceFolder, 'google-breakpad', 'src', 'client', 'windows', 'handler', 'exception_handler.sln')
breakpad.AddCommand(DirectCommand(['msbuild', slnpath, '/p:Configuration=Release']))
def BuildExtension():
compiler = SM.DefaultCompiler()
@ -32,8 +45,9 @@ def BuildExtension():
compiler['CXXINCLUDES'].append(os.path.join(AMBuild.sourceFolder, 'google-breakpad', 'src'))
compiler['POSTLINKFLAGS'].append('-lstdc++')
compiler['POSTLINKFLAGS'].append('-pthread')
if AMBuild.target['platform'] in ['linux']:
compiler['POSTLINKFLAGS'].append('-lstdc++')
compiler['POSTLINKFLAGS'].append('-pthread')
name = 'accelerator.ext'
extension = AMBuild.AddJob(name)
@ -45,13 +59,22 @@ def BuildExtension():
'sdk/smsdk_ext.cpp'
])
link = os.path.join(AMBuild.outputFolder, extension.workFolder, 'libbreakpad_client.a')
target = os.path.join(AMBuild.outputFolder, 'google-breakpad', 'src', 'client', 'linux', 'libbreakpad_client.a')
try:
os.lstat(link)
except:
extension.AddCommand(SymlinkCommand(link, target))
binary.AddObjectFiles(['libbreakpad_client.a'])
if AMBuild.target['platform'] in ['linux']:
link = os.path.join(AMBuild.outputFolder, extension.workFolder, 'libbreakpad_client.a')
target = os.path.join(AMBuild.outputFolder, 'google-breakpad', 'src', 'client', 'linux', 'libbreakpad_client.a')
try:
os.lstat(link)
except:
extension.AddCommand(SymlinkCommand(link, target))
binary.AddObjectFiles(['libbreakpad_client.a'])
elif AMBuild.target['platform'] in ['windows']:
libs = ['exception_handler', 'common', 'crash_generation_client']
for lib in libs:
path = os.path.join(AMBuild.sourceFolder, 'google-breakpad', 'src', 'client', 'windows', 'handler', 'Release', 'lib', lib + '.lib')
if os.path.isfile(path):
binary.RelinkIfNewer(path)
binary['POSTLINKFLAGS'].extend([path])
SM.AutoVersion('extension', binary)
SM.ExtractDebugInfo(extension, binary)

86
extension/extension.cpp
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@ -22,11 +22,16 @@
#include <IWebternet.h>
#include "MemoryDownloader.h"
#if defined _LINUX
#include "client/linux/handler/exception_handler.h"
#include <signal.h>
#include <dirent.h>
#include <unistd.h>
#elif defined _WINDOWS
#define _STDINT // ~.~
#include "client/windows/handler/exception_handler.h"
#endif
Accelerator g_accelerator;
SMEXT_LINK(&g_accelerator);
@ -37,6 +42,7 @@ static IThreadHandle *uploadThread;
char buffer[255];
google_breakpad::ExceptionHandler *handler = NULL;
#if defined _LINUX
void (*SignalHandler)(int, siginfo_t *, void *);
const int kExceptionSignals[] = {
@ -84,6 +90,39 @@ void OnGameFrame(bool simulating)
sigaction(kExceptionSignals[i], &act, NULL);
}
}
#elif defined _WINDOWS
LONG CALLBACK BreakpadVectoredHandler(_In_ PEXCEPTION_POINTERS ExceptionInfo)
{
if (ExceptionInfo->ExceptionRecord->ExceptionCode != EXCEPTION_ACCESS_VIOLATION)
{
return EXCEPTION_CONTINUE_SEARCH;
}
if (handler->WriteMinidumpForException(ExceptionInfo))
{
// Stop the handler thread from deadlocking us.
delete handler;
// Stop Valve's handler being called.
ExceptionInfo->ExceptionRecord->ExceptionCode = EXCEPTION_BREAKPOINT;
return EXCEPTION_EXECUTE_HANDLER;
} else {
return EXCEPTION_CONTINUE_SEARCH;
}
}
static bool dumpCallback(const wchar_t* dump_path,
const wchar_t* minidump_id,
void* context,
EXCEPTION_POINTERS* exinfo,
MDRawAssertionInfo* assertion,
bool succeeded)
{
printf("Wrote minidump to: %ls\\%ls.dmp\n", dump_path, minidump_id);
return succeeded;
}
#endif
void UploadCrashDump(const char *path)
{
@ -97,6 +136,8 @@ void UploadCrashDump(const char *path)
IWebTransfer *xfer = webternet->CreateSession();
xfer->SetFailOnHTTPError(true);
printf(">>> UPLOADING %s\n", path);
if (!xfer->PostAndDownload("http://crash.limetech.org/submit", form, &data, NULL))
{
printf(">>> UPLOAD FAILED\n");
@ -108,25 +149,31 @@ void UploadCrashDump(const char *path)
void Accelerator::OnCoreMapStart(edict_t *pEdictList, int edictCount, int clientMax)
{
DIR *dumps = opendir(buffer);
dirent *dump;
IDirectory *dumps = libsys->OpenDirectory(buffer);
char path[512];
while ((dump = readdir(dumps)) != NULL)
while (dumps->MoreFiles())
{
if (dump->d_type == DT_DIR)
if (!dumps->IsEntryFile())
{
dumps->NextEntry();
continue;
}
printf(">>> UPLOADING %s\n", dump->d_name);
g_pSM->Format(path, sizeof(path), "%s/%s", buffer, dump->d_name);
g_pSM->Format(path, sizeof(path), "%s/%s", buffer, dumps->GetEntryName());
UploadCrashDump(path);
#if defined _LINUX
unlink(path);
#elif defined _WINDOWS
_unlink(path);
#endif
dumps->NextEntry();
}
closedir(dumps);
libsys->CloseDirectory(dumps);
}
bool Accelerator::SDK_OnLoad(char *error, size_t maxlength, bool late)
@ -134,7 +181,7 @@ bool Accelerator::SDK_OnLoad(char *error, size_t maxlength, bool late)
sharesys->AddDependency(myself, "webternet.ext", true, true);
SM_GET_IFACE(WEBTERNET, webternet);
g_pSM->BuildPath(Path_SM, buffer, 255, "data/dumps");
g_pSM->BuildPath(Path_SM, buffer, sizeof(buffer), "data/dumps");
if (!libsys->IsPathDirectory(buffer))
{
@ -146,6 +193,7 @@ bool Accelerator::SDK_OnLoad(char *error, size_t maxlength, bool late)
}
}
#if defined _LINUX
google_breakpad::MinidumpDescriptor descriptor(buffer);
handler = new google_breakpad::ExceptionHandler(descriptor, NULL, dumpCallback, NULL, true, -1);
@ -154,12 +202,30 @@ bool Accelerator::SDK_OnLoad(char *error, size_t maxlength, bool late)
SignalHandler = oact.sa_sigaction;
g_pSM->AddGameFrameHook(OnGameFrame);
#elif defined _WINDOWS
wchar_t *buf = new wchar_t[sizeof(buffer)];
size_t num_chars = mbstowcs(buf, buffer, sizeof(buffer));
handler = new google_breakpad::ExceptionHandler(std::wstring(buf, num_chars), NULL, dumpCallback, NULL, google_breakpad::ExceptionHandler::HANDLER_ALL);
AddVectoredExceptionHandler(0, BreakpadVectoredHandler);
delete buf;
#endif
return true;
}
void Accelerator::SDK_OnUnload()
{
#if defined _LINUX
g_pSM->RemoveGameFrameHook(OnGameFrame);
#elif defined _WINDOWS
RemoveVectoredExceptionHandler(BreakpadVectoredHandler);
#endif
delete handler;
}

55
google-breakpad/src/client/windows/breakpad_client.gyp Normal file
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@ -0,0 +1,55 @@
# Copyright (c) 2010, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
{
'includes': [
'build/common.gypi',
],
'targets': [
{
'target_name': 'common',
'type': 'static_library',
'include_dirs': [
'<(DEPTH)',
],
'direct_dependent_settings': {
'include_dirs': [
'<(DEPTH)',
]
},
'sources': [
'<(DEPTH)/common/windows/guid_string.cc',
'<(DEPTH)/common/windows/guid_string.h',
'<(DEPTH)/common/windows/http_upload.cc',
'<(DEPTH)/common/windows/http_upload.h',
'<(DEPTH)/common/windows/string_utils.cc',
]
}
]
}

1330
google-breakpad/src/client/windows/build/common.gypi Normal file
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71
google-breakpad/src/client/windows/build/external_code.gypi Normal file
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@ -0,0 +1,71 @@
# Copyright (c) 2010, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
{
'conditions': [
[ 'OS=="linux"', {
'target_defaults': {
'cflags!': [
'-Wall',
'-Werror',
],
},
}],
[ 'OS=="win"', {
'target_defaults': {
'defines': [
'_CRT_SECURE_NO_DEPRECATE',
'_CRT_NONSTDC_NO_WARNINGS',
'_CRT_NONSTDC_NO_DEPRECATE',
],
'msvs_disabled_warnings': [4800],
'msvs_settings': {
'VCCLCompilerTool': {
'WarnAsError': 'false',
'Detect64BitPortabilityProblems': 'false',
},
},
},
}],
[ 'OS=="mac"', {
'target_defaults': {
'xcode_settings': {
'GCC_TREAT_WARNINGS_AS_ERRORS': 'NO',
'WARNING_CFLAGS!': ['-Wall'],
},
},
}],
],
}
# Local Variables:
# tab-width:2
# indent-tabs-mode:nil
# End:
# vim: set expandtab tabstop=2 shiftwidth=2:

15
google-breakpad/src/client/windows/build/internal/release_defaults.gypi Normal file
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@ -0,0 +1,15 @@
{
'msvs_settings': {
'VCCLCompilerTool': {
'Optimization': '2',
'StringPooling': 'true',
'OmitFramePointers': 'true',
},
'VCLinkerTool': {
'LinkIncremental': '1',
'OptimizeReferences': '2',
'EnableCOMDATFolding': '2',
'OptimizeForWindows98': '1',
},
},
}

3
google-breakpad/src/client/windows/build/internal/release_impl.gypi Normal file
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@ -0,0 +1,3 @@
{
'includes': ['release_defaults.gypi'],
}

21
google-breakpad/src/client/windows/build/internal/release_impl_official.gypi Normal file
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@ -0,0 +1,21 @@
{
'includes': ['release_defaults.gypi'],
'defines': ['OFFICIAL_BUILD'],
'msvs_settings': {
'VCCLCompilerTool': {
'Optimization': '3',
'InlineFunctionExpansion': '2',
'EnableIntrinsicFunctions': 'true',
'FavorSizeOrSpeed': '2',
'OmitFramePointers': 'true',
'EnableFiberSafeOptimizations': 'true',
'WholeProgramOptimization': 'true',
},
'VCLibrarianTool': {
'AdditionalOptions': ['/ltcg', '/expectedoutputsize:120000000'],
},
'VCLinkerTool': {
'LinkTimeCodeGeneration': '1',
},
},
}

19
google-breakpad/src/client/windows/build/release.gypi Normal file
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@ -0,0 +1,19 @@
{
'conditions': [
# Handle build types.
['buildtype=="Dev"', {
'includes': ['internal/release_impl.gypi'],
}],
['buildtype=="Official"', {
'includes': ['internal/release_impl_official.gypi'],
}],
# TODO(bradnelson): may also need:
# checksenabled
# coverage
# dom_stats
# pgo_instrument
# pgo_optimize
# purify
],
}

81
google-breakpad/src/client/windows/common/auto_critical_section.h Normal file
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@ -0,0 +1,81 @@
// Copyright (c) 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef CLIENT_WINDOWS_COMMON_AUTO_CRITICAL_SECTION_H__
#define CLIENT_WINDOWS_COMMON_AUTO_CRITICAL_SECTION_H__
#include <Windows.h>
namespace google_breakpad {
// Automatically enters the critical section in the constructor and leaves
// the critical section in the destructor.
class AutoCriticalSection {
public:
// Creates a new instance with the given critical section object
// and enters the critical section immediately.
explicit AutoCriticalSection(CRITICAL_SECTION* cs) : cs_(cs), taken_(false) {
assert(cs_);
Acquire();
}
// Destructor: leaves the critical section.
~AutoCriticalSection() {
if (taken_) {
Release();
}
}
// Enters the critical section. Recursive Acquire() calls are not allowed.
void Acquire() {
assert(!taken_);
EnterCriticalSection(cs_);
taken_ = true;
}
// Leaves the critical section. The caller should not call Release() unless
// the critical seciton has been entered already.
void Release() {
assert(taken_);
taken_ = false;
LeaveCriticalSection(cs_);
}
private:
// Disable copy ctor and operator=.
AutoCriticalSection(const AutoCriticalSection&);
AutoCriticalSection& operator=(const AutoCriticalSection&);
CRITICAL_SECTION* cs_;
bool taken_;
};
} // namespace google_breakpad
#endif // CLIENT_WINDOWS_COMMON_AUTO_CRITICAL_SECTION_H__

181
google-breakpad/src/client/windows/common/ipc_protocol.h Normal file
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@ -0,0 +1,181 @@
// Copyright (c) 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef CLIENT_WINDOWS_COMMON_IPC_PROTOCOL_H__
#define CLIENT_WINDOWS_COMMON_IPC_PROTOCOL_H__
#include <Windows.h>
#include <DbgHelp.h>
#include <string>
#include <utility>
#include "common/windows/string_utils-inl.h"
#include "google_breakpad/common/minidump_format.h"
namespace google_breakpad {
// Name/value pair for custom client information.
struct CustomInfoEntry {
// Maximum length for name and value for client custom info.
static const int kNameMaxLength = 64;
static const int kValueMaxLength = 64;
CustomInfoEntry() {
// Putting name and value in initializer list makes VC++ show warning 4351.
set_name(NULL);
set_value(NULL);
}
CustomInfoEntry(const wchar_t* name_arg, const wchar_t* value_arg) {
set_name(name_arg);
set_value(value_arg);
}
void set_name(const wchar_t* name_arg) {
if (!name_arg) {
name[0] = L'\0';
return;
}
WindowsStringUtils::safe_wcscpy(name, kNameMaxLength, name_arg);
}
void set_value(const wchar_t* value_arg) {
if (!value_arg) {
value[0] = L'\0';
return;
}
WindowsStringUtils::safe_wcscpy(value, kValueMaxLength, value_arg);
}
void set(const wchar_t* name_arg, const wchar_t* value_arg) {
set_name(name_arg);
set_value(value_arg);
}
wchar_t name[kNameMaxLength];
wchar_t value[kValueMaxLength];
};
// Constants for the protocol between client and the server.
// Tags sent with each message indicating the purpose of
// the message.
enum MessageTag {
MESSAGE_TAG_NONE = 0,
MESSAGE_TAG_REGISTRATION_REQUEST = 1,
MESSAGE_TAG_REGISTRATION_RESPONSE = 2,
MESSAGE_TAG_REGISTRATION_ACK = 3,
MESSAGE_TAG_UPLOAD_REQUEST = 4
};
struct CustomClientInfo {
const CustomInfoEntry* entries;
size_t count;
};
// Message structure for IPC between crash client and crash server.
struct ProtocolMessage {
ProtocolMessage()
: tag(MESSAGE_TAG_NONE),
id(0),
dump_type(MiniDumpNormal),
thread_id(0),
exception_pointers(NULL),
assert_info(NULL),
custom_client_info(),
dump_request_handle(NULL),
dump_generated_handle(NULL),
server_alive_handle(NULL) {
}
// Creates an instance with the given parameters.
ProtocolMessage(MessageTag arg_tag,
DWORD arg_id,
MINIDUMP_TYPE arg_dump_type,
DWORD* arg_thread_id,
EXCEPTION_POINTERS** arg_exception_pointers,
MDRawAssertionInfo* arg_assert_info,
const CustomClientInfo& custom_info,
HANDLE arg_dump_request_handle,
HANDLE arg_dump_generated_handle,
HANDLE arg_server_alive)
: tag(arg_tag),
id(arg_id),
dump_type(arg_dump_type),
thread_id(arg_thread_id),
exception_pointers(arg_exception_pointers),
assert_info(arg_assert_info),
custom_client_info(custom_info),
dump_request_handle(arg_dump_request_handle),
dump_generated_handle(arg_dump_generated_handle),
server_alive_handle(arg_server_alive) {
}
// Tag in the message.
MessageTag tag;
// The id for this message. This may be either a process id or a crash id
// depending on the type of message.
DWORD id;
// Dump type requested.
MINIDUMP_TYPE dump_type;
// Client thread id pointer.
DWORD* thread_id;
// Exception information.
EXCEPTION_POINTERS** exception_pointers;
// Assert information in case of an invalid parameter or
// pure call failure.
MDRawAssertionInfo* assert_info;
// Custom client information.
CustomClientInfo custom_client_info;
// Handle to signal the crash event.
HANDLE dump_request_handle;
// Handle to check if server is done generating crash.
HANDLE dump_generated_handle;
// Handle to a mutex that becomes signaled (WAIT_ABANDONED)
// if server process goes down.
HANDLE server_alive_handle;
private:
// Disable copy ctor and operator=.
ProtocolMessage(const ProtocolMessage& msg);
ProtocolMessage& operator=(const ProtocolMessage& msg);
};
} // namespace google_breakpad
#endif // CLIENT_WINDOWS_COMMON_IPC_PROTOCOL_H__

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=========================================================================
State machine transitions for the Crash Generation Server
=========================================================================
=========================================================================
|
STATE | ACTIONS
|
=========================================================================
ERROR | Clean up resources used to serve clients.
| Always remain in ERROR state.
-------------------------------------------------------------------------
INITIAL | Connect to the pipe asynchronously.
| If connection is successfully queued up asynchronously,
| go into CONNECTING state.
| If connection is done synchronously, go into CONNECTED
| state.
| For any unexpected problems, go into ERROR state.
-------------------------------------------------------------------------
CONNECTING | Get the result of async connection request.
| If I/O is still incomplete, remain in the CONNECTING
| state.
| If connection is complete, go into CONNECTED state.
| For any unexpected problems, go into DISCONNECTING state.
-------------------------------------------------------------------------
CONNECTED | Read from the pipe asynchronously.
| If read request is successfully queued up asynchronously,
| go into READING state.
| For any unexpected problems, go into DISCONNECTING state.
-------------------------------------------------------------------------
READING | Get the result of async read request.
| If read is done, go into READ_DONE state.
| For any unexpected problems, go into DISCONNECTING state.
-------------------------------------------------------------------------
READ_DONE | Register the client, prepare the reply and write the
| reply to the pipe asynchronously.
| If write request is successfully queued up asynchronously,
| go into WRITING state.
| For any unexpected problems, go into DISCONNECTING state.
-------------------------------------------------------------------------
WRITING | Get the result of the async write request.
| If write is done, go into WRITE_DONE state.
| For any unexpected problems, go into DISCONNECTING state.
-------------------------------------------------------------------------
WRITE_DONE | Read from the pipe asynchronously (for an ACK).
| If read request is successfully queued up asynchonously,
| go into READING_ACK state.
| For any unexpected problems, go into DISCONNECTING state.
-------------------------------------------------------------------------
READING_ACK | Get the result of the async read request.
| If read is done, perform action for successful client
| connection.
| Go into DISCONNECTING state.
-------------------------------------------------------------------------
DISCONNECTING | Disconnect from the pipe, reset the event and go into
| INITIAL state and signal the event again. If anything
| fails, go into ERROR state.
=========================================================================

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// Copyright (c) 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "client/windows/crash_generation/client_info.h"
#include "client/windows/common/ipc_protocol.h"
static const wchar_t kCustomInfoProcessUptimeName[] = L"ptime";
static const size_t kMaxCustomInfoEntries = 4096;
namespace google_breakpad {
ClientInfo::ClientInfo(CrashGenerationServer* crash_server,
DWORD pid,
MINIDUMP_TYPE dump_type,
DWORD* thread_id,
EXCEPTION_POINTERS** ex_info,
MDRawAssertionInfo* assert_info,
const CustomClientInfo& custom_client_info)
: crash_server_(crash_server),
pid_(pid),
dump_type_(dump_type),
ex_info_(ex_info),
assert_info_(assert_info),
custom_client_info_(custom_client_info),
thread_id_(thread_id),
process_handle_(NULL),
dump_requested_handle_(NULL),
dump_generated_handle_(NULL),
dump_request_wait_handle_(NULL),
process_exit_wait_handle_(NULL),
crash_id_(NULL) {
GetSystemTimeAsFileTime(&start_time_);
}
bool ClientInfo::Initialize() {
process_handle_ = OpenProcess(GENERIC_ALL, FALSE, pid_);
if (!process_handle_) {
return false;
}
// The crash_id will be the low order word of the process creation time.
FILETIME creation_time, exit_time, kernel_time, user_time;
if (GetProcessTimes(process_handle_, &creation_time, &exit_time,
&kernel_time, &user_time))
crash_id_ = creation_time.dwLowDateTime;
dump_requested_handle_ = CreateEvent(NULL, // Security attributes.
TRUE, // Manual reset.
FALSE, // Initial state.
NULL); // Name.
if (!dump_requested_handle_) {
return false;
}
dump_generated_handle_ = CreateEvent(NULL, // Security attributes.
TRUE, // Manual reset.
FALSE, // Initial state.
NULL); // Name.
return dump_generated_handle_ != NULL;
}
void ClientInfo::UnregisterDumpRequestWaitAndBlockUntilNoPending() {
if (dump_request_wait_handle_) {
// Wait for callbacks that might already be running to finish.
UnregisterWaitEx(dump_request_wait_handle_, INVALID_HANDLE_VALUE);
dump_request_wait_handle_ = NULL;
}
}
void ClientInfo::UnregisterProcessExitWait(bool block_until_no_pending) {
if (process_exit_wait_handle_) {
if (block_until_no_pending) {
// Wait for the callback that might already be running to finish.
UnregisterWaitEx(process_exit_wait_handle_, INVALID_HANDLE_VALUE);
} else {
UnregisterWait(process_exit_wait_handle_);
}
process_exit_wait_handle_ = NULL;
}
}
ClientInfo::~ClientInfo() {
// Waiting for the callback to finish here is safe because ClientInfo's are
// never destroyed from the dump request handling callback.
UnregisterDumpRequestWaitAndBlockUntilNoPending();
// This is a little tricky because ClientInfo's may be destroyed by the same
// callback (OnClientEnd) and waiting for it to finish will cause a deadlock.
// Regardless of this complication, wait for any running callbacks to finish
// so that the common case is properly handled. In order to avoid deadlocks,
// the OnClientEnd callback must call UnregisterProcessExitWait(false)
// before deleting the ClientInfo.
UnregisterProcessExitWait(true);
if (process_handle_) {
CloseHandle(process_handle_);
}
if (dump_requested_handle_) {
CloseHandle(dump_requested_handle_);
}
if (dump_generated_handle_) {
CloseHandle(dump_generated_handle_);
}
}
bool ClientInfo::GetClientExceptionInfo(EXCEPTION_POINTERS** ex_info) const {
SIZE_T bytes_count = 0;
if (!ReadProcessMemory(process_handle_,
ex_info_,
ex_info,
sizeof(*ex_info),
&bytes_count)) {
return false;
}
return bytes_count == sizeof(*ex_info);
}
bool ClientInfo::GetClientThreadId(DWORD* thread_id) const {
SIZE_T bytes_count = 0;
if (!ReadProcessMemory(process_handle_,
thread_id_,
thread_id,
sizeof(*thread_id),
&bytes_count)) {
return false;
}
return bytes_count == sizeof(*thread_id);
}
void ClientInfo::SetProcessUptime() {
FILETIME now = {0};
GetSystemTimeAsFileTime(&now);
ULARGE_INTEGER time_start;
time_start.HighPart = start_time_.dwHighDateTime;
time_start.LowPart = start_time_.dwLowDateTime;
ULARGE_INTEGER time_now;
time_now.HighPart = now.dwHighDateTime;
time_now.LowPart = now.dwLowDateTime;
// Calculate the delay and convert it from 100-nanoseconds to milliseconds.
__int64 delay = (time_now.QuadPart - time_start.QuadPart) / 10 / 1000;
// Convert it to a string.
wchar_t* value = custom_info_entries_.get()[custom_client_info_.count].value;
_i64tow_s(delay, value, CustomInfoEntry::kValueMaxLength, 10);
}
bool ClientInfo::PopulateCustomInfo() {
if (custom_client_info_.count > kMaxCustomInfoEntries)
return false;
SIZE_T bytes_count = 0;
SIZE_T read_count = sizeof(CustomInfoEntry) * custom_client_info_.count;
// If the scoped array for custom info already has an array, it will be
// the same size as what we need. This is because the number of custom info
// entries is always the same. So allocate memory only if scoped array has
// a NULL pointer.
if (!custom_info_entries_.get()) {
// Allocate an extra entry for reporting uptime for the client process.
custom_info_entries_.reset(
new CustomInfoEntry[custom_client_info_.count + 1]);
// Use the last element in the array for uptime.
custom_info_entries_.get()[custom_client_info_.count].set_name(
kCustomInfoProcessUptimeName);
}
if (!ReadProcessMemory(process_handle_,
custom_client_info_.entries,
custom_info_entries_.get(),
read_count,
&bytes_count)) {
return false;
}
SetProcessUptime();
return (bytes_count != read_count);
}
CustomClientInfo ClientInfo::GetCustomInfo() const {
CustomClientInfo custom_info;
custom_info.entries = custom_info_entries_.get();
// Add 1 to the count from the client process to account for extra entry for
// process uptime.
custom_info.count = custom_client_info_.count + 1;
return custom_info;
}
} // namespace google_breakpad

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// Copyright (c) 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef CLIENT_WINDOWS_CRASH_GENERATION_CLIENT_INFO_H__
#define CLIENT_WINDOWS_CRASH_GENERATION_CLIENT_INFO_H__
#include <Windows.h>
#include <DbgHelp.h>
#include "client/windows/common/ipc_protocol.h"
#include "common/scoped_ptr.h"
#include "google_breakpad/common/minidump_format.h"
namespace google_breakpad {
class CrashGenerationServer;
// Abstraction for a crash client process.
class ClientInfo {
public:
// Creates an instance with the given values. Gets the process
// handle for the given process id and creates necessary event
// objects.
ClientInfo(CrashGenerationServer* crash_server,
DWORD pid,
MINIDUMP_TYPE dump_type,
DWORD* thread_id,
EXCEPTION_POINTERS** ex_info,
MDRawAssertionInfo* assert_info,
const CustomClientInfo& custom_client_info);
~ClientInfo();
CrashGenerationServer* crash_server() const { return crash_server_; }
DWORD pid() const { return pid_; }
MINIDUMP_TYPE dump_type() const { return dump_type_; }
EXCEPTION_POINTERS** ex_info() const { return ex_info_; }
MDRawAssertionInfo* assert_info() const { return assert_info_; }
DWORD* thread_id() const { return thread_id_; }
HANDLE process_handle() const { return process_handle_; }
HANDLE dump_requested_handle() const { return dump_requested_handle_; }
HANDLE dump_generated_handle() const { return dump_generated_handle_; }
DWORD crash_id() const { return crash_id_; }
void set_dump_request_wait_handle(HANDLE value) {
dump_request_wait_handle_ = value;
}
void set_process_exit_wait_handle(HANDLE value) {
process_exit_wait_handle_ = value;
}
// Unregister the dump request wait operation and wait for all callbacks
// that might already be running to complete before returning.
void UnregisterDumpRequestWaitAndBlockUntilNoPending();
// Unregister the process exit wait operation. If block_until_no_pending is
// true, wait for all callbacks that might already be running to complete
// before returning.
void UnregisterProcessExitWait(bool block_until_no_pending);
bool Initialize();
bool GetClientExceptionInfo(EXCEPTION_POINTERS** ex_info) const;
bool GetClientThreadId(DWORD* thread_id) const;
// Reads the custom information from the client process address space.
bool PopulateCustomInfo();
// Returns the client custom information.
CustomClientInfo GetCustomInfo() const;
private:
// Calcualtes the uptime for the client process, converts it to a string and
// stores it in the last entry of client custom info.
void SetProcessUptime();
// Crash generation server.
CrashGenerationServer* crash_server_;
// Client process ID.
DWORD pid_;
// Dump type requested by the client.
MINIDUMP_TYPE dump_type_;
// Address of an EXCEPTION_POINTERS* variable in the client
// process address space that will point to an instance of
// EXCEPTION_POINTERS containing information about crash.
//
// WARNING: Do not dereference these pointers as they are pointers
// in the address space of another process.
EXCEPTION_POINTERS** ex_info_;
// Address of an instance of MDRawAssertionInfo in the client
// process address space that will contain information about
// non-exception related crashes like invalid parameter assertion
// failures and pure calls.
//
// WARNING: Do not dereference these pointers as they are pointers
// in the address space of another process.
MDRawAssertionInfo* assert_info_;
// Custom information about the client.
CustomClientInfo custom_client_info_;
// Contains the custom client info entries read from the client process
// memory. This will be populated only if the method GetClientCustomInfo
// is called.
scoped_array<CustomInfoEntry> custom_info_entries_;
// Address of a variable in the client process address space that
// will contain the thread id of the crashing client thread.
//
// WARNING: Do not dereference these pointers as they are pointers
// in the address space of another process.
DWORD* thread_id_;
// Client process handle.
HANDLE process_handle_;
// Dump request event handle.
HANDLE dump_requested_handle_;
// Dump generated event handle.
HANDLE dump_generated_handle_;
// Wait handle for dump request event.
HANDLE dump_request_wait_handle_;
// Wait handle for process exit event.
HANDLE process_exit_wait_handle_;
// Time when the client process started. It is used to determine the uptime
// for the client process when it signals a crash.
FILETIME start_time_;
// The crash id which can be used to request an upload. This will be the
// value of the low order dword of the process creation time for the process
// being dumped.
DWORD crash_id_;
// Disallow copy ctor and operator=.
ClientInfo(const ClientInfo& client_info);
ClientInfo& operator=(const ClientInfo& client_info);
};
} // namespace google_breakpad
#endif // CLIENT_WINDOWS_CRASH_GENERATION_CLIENT_INFO_H__

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# Copyright (c) 2010, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
{
'includes': [
'../build/common.gypi',
],
'targets': [
{
'target_name': 'crash_generation_server',
'type': 'static_library',
'sources': [
'client_info.cc',
'crash_generation_server.cc',
'minidump_generator.cc',
'client_info.h',
'crash_generation_client.h',
'crash_generation_server.h',
'minidump_generator.h',
],
'dependencies': [
'../breakpad_client.gyp:common'
],
},
{
'target_name': 'crash_generation_client',
'type': 'static_library',
'include_dirs': [
'<(DEPTH)',
],
'sources': [
'crash_generation_client.h',
'crash_generation_client.cc',
'crash_generation_server.h',
],
},
],
}

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// Copyright (c) 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "client/windows/crash_generation/crash_generation_client.h"
#include <cassert>
#include <utility>
#include "client/windows/common/ipc_protocol.h"
namespace google_breakpad {
const int kPipeBusyWaitTimeoutMs = 2000;
#ifdef _DEBUG
const DWORD kWaitForServerTimeoutMs = INFINITE;
#else
const DWORD kWaitForServerTimeoutMs = 15000;
#endif
const int kPipeConnectMaxAttempts = 2;
const DWORD kPipeDesiredAccess = FILE_READ_DATA |
FILE_WRITE_DATA |
FILE_WRITE_ATTRIBUTES;
const DWORD kPipeFlagsAndAttributes = SECURITY_IDENTIFICATION |
SECURITY_SQOS_PRESENT;
const DWORD kPipeMode = PIPE_READMODE_MESSAGE;
const size_t kWaitEventCount = 2;
// This function is orphan for production code. It can be used
// for debugging to help repro some scenarios like the client
// is slow in writing to the pipe after connecting, the client
// is slow in reading from the pipe after writing, etc. The parameter
// overlapped below is not used and it is present to match the signature
// of this function to TransactNamedPipe Win32 API. Uncomment if needed
// for debugging.
/**
static bool TransactNamedPipeDebugHelper(HANDLE pipe,
const void* in_buffer,
DWORD in_size,
void* out_buffer,
DWORD out_size,
DWORD* bytes_count,
LPOVERLAPPED) {
// Uncomment the next sleep to create a gap before writing
// to pipe.
// Sleep(5000);
if (!WriteFile(pipe,
in_buffer,
in_size,
bytes_count,
NULL)) {
return false;
}
// Uncomment the next sleep to create a gap between write
// and read.
// Sleep(5000);
return ReadFile(pipe, out_buffer, out_size, bytes_count, NULL) != FALSE;
}
**/
CrashGenerationClient::CrashGenerationClient(
const wchar_t* pipe_name,
MINIDUMP_TYPE dump_type,
const CustomClientInfo* custom_info)
: pipe_name_(pipe_name),
pipe_handle_(NULL),
dump_type_(dump_type),
thread_id_(0),
server_process_id_(0),
crash_event_(NULL),
crash_generated_(NULL),
server_alive_(NULL),
exception_pointers_(NULL),
custom_info_() {
memset(&assert_info_, 0, sizeof(assert_info_));
if (custom_info) {
custom_info_ = *custom_info;
}
}
CrashGenerationClient::CrashGenerationClient(
HANDLE pipe_handle,
MINIDUMP_TYPE dump_type,
const CustomClientInfo* custom_info)
: pipe_name_(),
pipe_handle_(pipe_handle),
dump_type_(dump_type),
thread_id_(0),
server_process_id_(0),
crash_event_(NULL),
crash_generated_(NULL),
server_alive_(NULL),
exception_pointers_(NULL),
custom_info_() {
memset(&assert_info_, 0, sizeof(assert_info_));
if (custom_info) {
custom_info_ = *custom_info;
}
}
CrashGenerationClient::~CrashGenerationClient() {
if (crash_event_) {
CloseHandle(crash_event_);
}
if (crash_generated_) {
CloseHandle(crash_generated_);
}
if (server_alive_) {
CloseHandle(server_alive_);
}
}
// Performs the registration step with the server process.
// The registration step involves communicating with the server
// via a named pipe. The client sends the following pieces of
// data to the server:
//
// * Message tag indicating the client is requesting registration.
// * Process id of the client process.
// * Address of a DWORD variable in the client address space
// that will contain the thread id of the client thread that
// caused the crash.
// * Address of a EXCEPTION_POINTERS* variable in the client
// address space that will point to an instance of EXCEPTION_POINTERS
// when the crash happens.
// * Address of an instance of MDRawAssertionInfo that will contain
// relevant information in case of non-exception crashes like assertion
// failures and pure calls.
//
// In return the client expects the following information from the server:
//
// * Message tag indicating successful registration.
// * Server process id.
// * Handle to an object that client can signal to request dump
// generation from the server.
// * Handle to an object that client can wait on after requesting
// dump generation for the server to finish dump generation.
// * Handle to a mutex object that client can wait on to make sure
// server is still alive.
//
// If any step of the expected behavior mentioned above fails, the
// registration step is not considered successful and hence out-of-process
// dump generation service is not available.
//
// Returns true if the registration is successful; false otherwise.
bool CrashGenerationClient::Register() {
if (IsRegistered()) {
return true;
}
HANDLE pipe = ConnectToServer();
if (!pipe) {
return false;
}
bool success = RegisterClient(pipe);
CloseHandle(pipe);
return success;
}
bool CrashGenerationClient::RequestUpload(DWORD crash_id) {
HANDLE pipe = ConnectToServer();
if (!pipe) {
return false;
}
CustomClientInfo custom_info = {NULL, 0};
ProtocolMessage msg(MESSAGE_TAG_UPLOAD_REQUEST, crash_id,
static_cast<MINIDUMP_TYPE>(NULL), NULL, NULL, NULL,
custom_info, NULL, NULL, NULL);
DWORD bytes_count = 0;
bool success = WriteFile(pipe, &msg, sizeof(msg), &bytes_count, NULL) != 0;
CloseHandle(pipe);
return success;
}
HANDLE CrashGenerationClient::ConnectToServer() {
HANDLE pipe = ConnectToPipe(pipe_name_.c_str(),
kPipeDesiredAccess,
kPipeFlagsAndAttributes);
if (!pipe) {
return NULL;
}
DWORD mode = kPipeMode;
if (!SetNamedPipeHandleState(pipe, &mode, NULL, NULL)) {
CloseHandle(pipe);
pipe = NULL;
}
return pipe;
}
bool CrashGenerationClient::RegisterClient(HANDLE pipe) {
ProtocolMessage msg(MESSAGE_TAG_REGISTRATION_REQUEST,
GetCurrentProcessId(),
dump_type_,
&thread_id_,
&exception_pointers_,
&assert_info_,
custom_info_,
NULL,
NULL,
NULL);
ProtocolMessage reply;
DWORD bytes_count = 0;
// The call to TransactNamedPipe below can be changed to a call
// to TransactNamedPipeDebugHelper to help repro some scenarios.
// For details see comments for TransactNamedPipeDebugHelper.
if (!TransactNamedPipe(pipe,
&msg,
sizeof(msg),
&reply,
sizeof(ProtocolMessage),
&bytes_count,
NULL)) {
return false;
}
if (!ValidateResponse(reply)) {
return false;
}
ProtocolMessage ack_msg;
ack_msg.tag = MESSAGE_TAG_REGISTRATION_ACK;
if (!WriteFile(pipe, &ack_msg, sizeof(ack_msg), &bytes_count, NULL)) {
return false;
}
crash_event_ = reply.dump_request_handle;
crash_generated_ = reply.dump_generated_handle;
server_alive_ = reply.server_alive_handle;
server_process_id_ = reply.id;
return true;
}
HANDLE CrashGenerationClient::ConnectToPipe(const wchar_t* pipe_name,
DWORD pipe_access,
DWORD flags_attrs) {
if (pipe_handle_) {
HANDLE t = pipe_handle_;
pipe_handle_ = NULL;
return t;
}
for (int i = 0; i < kPipeConnectMaxAttempts; ++i) {
HANDLE pipe = CreateFile(pipe_name,
pipe_access,
0,
NULL,
OPEN_EXISTING,
flags_attrs,
NULL);
if (pipe != INVALID_HANDLE_VALUE) {
return pipe;
}
// Cannot continue retrying if error is something other than
// ERROR_PIPE_BUSY.
if (GetLastError() != ERROR_PIPE_BUSY) {
break;
}
// Cannot continue retrying if wait on pipe fails.
if (!WaitNamedPipe(pipe_name, kPipeBusyWaitTimeoutMs)) {
break;
}
}
return NULL;
}
bool CrashGenerationClient::ValidateResponse(
const ProtocolMessage& msg) const {
return (msg.tag == MESSAGE_TAG_REGISTRATION_RESPONSE) &&
(msg.id != 0) &&
(msg.dump_request_handle != NULL) &&
(msg.dump_generated_handle != NULL) &&
(msg.server_alive_handle != NULL);
}
bool CrashGenerationClient::IsRegistered() const {
return crash_event_ != NULL;
}
bool CrashGenerationClient::RequestDump(EXCEPTION_POINTERS* ex_info,
MDRawAssertionInfo* assert_info) {
if (!IsRegistered()) {
return false;
}
exception_pointers_ = ex_info;
thread_id_ = GetCurrentThreadId();
if (assert_info) {
memcpy(&assert_info_, assert_info, sizeof(assert_info_));
} else {
memset(&assert_info_, 0, sizeof(assert_info_));
}
return SignalCrashEventAndWait();
}
bool CrashGenerationClient::RequestDump(EXCEPTION_POINTERS* ex_info) {
return RequestDump(ex_info, NULL);
}
bool CrashGenerationClient::RequestDump(MDRawAssertionInfo* assert_info) {
return RequestDump(NULL, assert_info);
}
bool CrashGenerationClient::SignalCrashEventAndWait() {
assert(crash_event_);
assert(crash_generated_);
assert(server_alive_);
// Reset the dump generated event before signaling the crash
// event so that the server can set the dump generated event
// once it is done generating the event.
if (!ResetEvent(crash_generated_)) {
return false;
}
if (!SetEvent(crash_event_)) {
return false;
}
HANDLE wait_handles[kWaitEventCount] = {crash_generated_, server_alive_};
DWORD result = WaitForMultipleObjects(kWaitEventCount,
wait_handles,
FALSE,
kWaitForServerTimeoutMs);
// Crash dump was successfully generated only if the server
// signaled the crash generated event.
return result == WAIT_OBJECT_0;
}
HANDLE CrashGenerationClient::DuplicatePipeToClientProcess(const wchar_t* pipe_name,
HANDLE hProcess) {
for (int i = 0; i < kPipeConnectMaxAttempts; ++i) {
HANDLE local_pipe = CreateFile(pipe_name, kPipeDesiredAccess,
0, NULL, OPEN_EXISTING,
kPipeFlagsAndAttributes, NULL);
if (local_pipe != INVALID_HANDLE_VALUE) {
HANDLE remotePipe = INVALID_HANDLE_VALUE;
if (DuplicateHandle(GetCurrentProcess(), local_pipe,
hProcess, &remotePipe, 0, FALSE,
DUPLICATE_CLOSE_SOURCE | DUPLICATE_SAME_ACCESS)) {
return remotePipe;
} else {
return INVALID_HANDLE_VALUE;
}
}
// Cannot continue retrying if the error wasn't a busy pipe.
if (GetLastError() != ERROR_PIPE_BUSY) {
return INVALID_HANDLE_VALUE;
}
if (!WaitNamedPipe(pipe_name, kPipeBusyWaitTimeoutMs)) {
return INVALID_HANDLE_VALUE;
}
}
return INVALID_HANDLE_VALUE;
}
} // namespace google_breakpad

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// Copyright (c) 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef CLIENT_WINDOWS_CRASH_GENERATION_CRASH_GENERATION_CLIENT_H_
#define CLIENT_WINDOWS_CRASH_GENERATION_CRASH_GENERATION_CLIENT_H_
#include <windows.h>
#include <dbghelp.h>
#include <string>
#include <utility>
#include "client/windows/common/ipc_protocol.h"
#include "common/scoped_ptr.h"
namespace google_breakpad {
struct CustomClientInfo;
// Abstraction of client-side implementation of out of process
// crash generation.
//
// The process that desires to have out-of-process crash dump
// generation service can use this class in the following way:
//
// * Create an instance.
// * Call Register method so that the client tries to register
// with the server process and check the return value. If
// registration is not successful, out-of-process crash dump
// generation will not be available
// * Request dump generation by calling either of the two
// overloaded RequestDump methods - one in case of exceptions
// and the other in case of assertion failures
//
// Note that it is the responsibility of the client code of
// this class to set the unhandled exception filter with the
// system by calling the SetUnhandledExceptionFilter function
// and the client code should explicitly request dump generation.
class CrashGenerationClient {
public:
CrashGenerationClient(const wchar_t* pipe_name,
MINIDUMP_TYPE dump_type,
const CustomClientInfo* custom_info);
CrashGenerationClient(HANDLE pipe_handle,
MINIDUMP_TYPE dump_type,
const CustomClientInfo* custom_info);
~CrashGenerationClient();
// Registers the client process with the crash server.
//
// Returns true if the registration is successful; false otherwise.
bool Register();
// Requests the crash server to upload a previous dump with the
// given crash id.
bool RequestUpload(DWORD crash_id);
bool RequestDump(EXCEPTION_POINTERS* ex_info,
MDRawAssertionInfo* assert_info);
// Requests the crash server to generate a dump with the given
// exception information.
//
// Returns true if the dump was successful; false otherwise. Note that
// if the registration step was not performed or it was not successful,
// false will be returned.
bool RequestDump(EXCEPTION_POINTERS* ex_info);
// Requests the crash server to generate a dump with the given
// assertion information.
//
// Returns true if the dump was successful; false otherwise. Note that
// if the registration step was not performed or it was not successful,
// false will be returned.
bool RequestDump(MDRawAssertionInfo* assert_info);
// If the crash generation client is running in a sandbox that prevents it
// from opening the named pipe directly, the server process may open the
// handle and duplicate it into the client process with this helper method.
// Returns INVALID_HANDLE_VALUE on failure. The process must have been opened
// with the PROCESS_DUP_HANDLE access right.
static HANDLE DuplicatePipeToClientProcess(const wchar_t* pipe_name,
HANDLE hProcess);
private:
// Connects to the appropriate pipe and sets the pipe handle state.
//
// Returns the pipe handle if everything goes well; otherwise Returns NULL.
HANDLE ConnectToServer();
// Performs a handshake with the server over the given pipe which should be
// already connected to the server.
//
// Returns true if handshake with the server was successful; false otherwise.
bool RegisterClient(HANDLE pipe);
// Validates the given server response.
bool ValidateResponse(const ProtocolMessage& msg) const;
// Returns true if the registration step succeeded; false otherwise.
bool IsRegistered() const;
// Connects to the given named pipe with given parameters.
//
// Returns true if the connection is successful; false otherwise.
HANDLE ConnectToPipe(const wchar_t* pipe_name,
DWORD pipe_access,
DWORD flags_attrs);
// Signals the crash event and wait for the server to generate crash.
bool SignalCrashEventAndWait();
// Pipe name to use to talk to server.
std::wstring pipe_name_;
// Pipe handle duplicated from server process. Only valid before
// Register is called.
HANDLE pipe_handle_;
// Custom client information
CustomClientInfo custom_info_;
// Type of dump to generate.
MINIDUMP_TYPE dump_type_;
// Event to signal in case of a crash.
HANDLE crash_event_;
// Handle to wait on after signaling a crash for the server
// to finish generating crash dump.
HANDLE crash_generated_;
// Handle to a mutex that will become signaled with WAIT_ABANDONED
// if the server process goes down.
HANDLE server_alive_;
// Server process id.
DWORD server_process_id_;
// Id of the thread that caused the crash.
DWORD thread_id_;
// Exception pointers for an exception crash.
EXCEPTION_POINTERS* exception_pointers_;
// Assertion info for an invalid parameter or pure call crash.
MDRawAssertionInfo assert_info_;
// Disable copy ctor and operator=.
CrashGenerationClient(const CrashGenerationClient& crash_client);
CrashGenerationClient& operator=(const CrashGenerationClient& crash_client);
};
} // namespace google_breakpad
#endif // CLIENT_WINDOWS_CRASH_GENERATION_CRASH_GENERATION_CLIENT_H_

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// Copyright (c) 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "client/windows/crash_generation/crash_generation_server.h"
#include <windows.h>
#include <cassert>
#include <list>
#include "client/windows/common/auto_critical_section.h"
#include "common/scoped_ptr.h"
#include "client/windows/crash_generation/client_info.h"
namespace google_breakpad {
// Output buffer size.
static const size_t kOutBufferSize = 64;
// Input buffer size.
static const size_t kInBufferSize = 64;
// Access flags for the client on the dump request event.
static const DWORD kDumpRequestEventAccess = EVENT_MODIFY_STATE;
// Access flags for the client on the dump generated event.
static const DWORD kDumpGeneratedEventAccess = EVENT_MODIFY_STATE |
SYNCHRONIZE;
// Access flags for the client on the mutex.
static const DWORD kMutexAccess = SYNCHRONIZE;
// Attribute flags for the pipe.
static const DWORD kPipeAttr = FILE_FLAG_FIRST_PIPE_INSTANCE |
PIPE_ACCESS_DUPLEX |
FILE_FLAG_OVERLAPPED;
// Mode for the pipe.
static const DWORD kPipeMode = PIPE_TYPE_MESSAGE |
PIPE_READMODE_MESSAGE |
PIPE_WAIT;
// For pipe I/O, execute the callback in the wait thread itself,
// since the callback does very little work. The callback executes
// the code for one of the states of the server state machine and
// the code for all of the states perform async I/O and hence
// finish very quickly.
static const ULONG kPipeIOThreadFlags = WT_EXECUTEINWAITTHREAD;
// Dump request threads will, most likely, generate dumps. That may
// take some time to finish, so specify WT_EXECUTELONGFUNCTION flag.
static const ULONG kDumpRequestThreadFlags = WT_EXECUTEINWAITTHREAD |
WT_EXECUTELONGFUNCTION;
static bool IsClientRequestValid(const ProtocolMessage& msg) {
return msg.tag == MESSAGE_TAG_UPLOAD_REQUEST ||
(msg.tag == MESSAGE_TAG_REGISTRATION_REQUEST &&
msg.id != 0 &&
msg.thread_id != NULL &&
msg.exception_pointers != NULL &&
msg.assert_info != NULL);
}
CrashGenerationServer::CrashGenerationServer(
const std::wstring& pipe_name,
SECURITY_ATTRIBUTES* pipe_sec_attrs,
OnClientConnectedCallback connect_callback,
void* connect_context,
OnClientDumpRequestCallback dump_callback,
void* dump_context,
OnClientExitedCallback exit_callback,
void* exit_context,
OnClientUploadRequestCallback upload_request_callback,
void* upload_context,
bool generate_dumps,
const std::wstring* dump_path)
: pipe_name_(pipe_name),
pipe_sec_attrs_(pipe_sec_attrs),
pipe_(NULL),
pipe_wait_handle_(NULL),
server_alive_handle_(NULL),
connect_callback_(connect_callback),
connect_context_(connect_context),
dump_callback_(dump_callback),
dump_context_(dump_context),
exit_callback_(exit_callback),
exit_context_(exit_context),
upload_request_callback_(upload_request_callback),
upload_context_(upload_context),
generate_dumps_(generate_dumps),
dump_generator_(NULL),
server_state_(IPC_SERVER_STATE_UNINITIALIZED),
shutting_down_(false),
overlapped_(),
client_info_(NULL) {
InitializeCriticalSection(&sync_);
if (dump_path) {
dump_generator_.reset(new MinidumpGenerator(*dump_path));
}
}
// This should never be called from the OnPipeConnected callback.
// Otherwise the UnregisterWaitEx call below will cause a deadlock.
CrashGenerationServer::~CrashGenerationServer() {
// New scope to release the lock automatically.
{
// Make sure no clients are added or removed beyond this point.
// Before adding or removing any clients, the critical section
// must be entered and the shutting_down_ flag checked. The
// critical section is then exited only after the clients_ list
// modifications are done and the list is in a consistent state.
AutoCriticalSection lock(&sync_);
// Indicate to existing threads that server is shutting down.
shutting_down_ = true;
}
// No one will modify the clients_ list beyond this point -
// not even from another thread.
// Even if there are no current worker threads running, it is possible that
// an I/O request is pending on the pipe right now but not yet done.
// In fact, it's very likely this is the case unless we are in an ERROR
// state. If we don't wait for the pending I/O to be done, then when the I/O
// completes, it may write to invalid memory. AppVerifier will flag this
// problem too. So we disconnect from the pipe and then wait for the server
// to get into error state so that the pending I/O will fail and get
// cleared.
DisconnectNamedPipe(pipe_);
int num_tries = 100;
while (num_tries-- && server_state_ != IPC_SERVER_STATE_ERROR) {
Sleep(10);
}
// Unregister wait on the pipe.
if (pipe_wait_handle_) {
// Wait for already executing callbacks to finish.
UnregisterWaitEx(pipe_wait_handle_, INVALID_HANDLE_VALUE);
}
// Close the pipe to avoid further client connections.
if (pipe_) {
CloseHandle(pipe_);
}
// Request all ClientInfo objects to unregister all waits.
// No need to enter the critical section because no one is allowed to modify
// the clients_ list once the shutting_down_ flag is set.
std::list<ClientInfo*>::iterator iter;
for (iter = clients_.begin(); iter != clients_.end(); ++iter) {
ClientInfo* client_info = *iter;
// Unregister waits. Wait for already executing callbacks to finish.
// Unregister the client process exit wait first and only then unregister
// the dump request wait. The reason is that the OnClientExit callback
// also unregisters the dump request wait and such a race (doing the same
// unregistration from two threads) is undesirable.
client_info->UnregisterProcessExitWait(true);
client_info->UnregisterDumpRequestWaitAndBlockUntilNoPending();
// Destroying the ClientInfo here is safe because all wait operations for
// this ClientInfo were unregistered and no pending or running callbacks
// for this ClientInfo can possible exist (block_until_no_pending option
// was used).
delete client_info;
}
if (server_alive_handle_) {
// Release the mutex before closing the handle so that clients requesting
// dumps wait for a long time for the server to generate a dump.
ReleaseMutex(server_alive_handle_);
CloseHandle(server_alive_handle_);
}
if (overlapped_.hEvent) {
CloseHandle(overlapped_.hEvent);
}
DeleteCriticalSection(&sync_);
}
bool CrashGenerationServer::Start() {
if (server_state_ != IPC_SERVER_STATE_UNINITIALIZED) {
return false;
}
server_state_ = IPC_SERVER_STATE_INITIAL;
server_alive_handle_ = CreateMutex(NULL, TRUE, NULL);
if (!server_alive_handle_) {
return false;
}
// Event to signal the client connection and pipe reads and writes.
overlapped_.hEvent = CreateEvent(NULL, // Security descriptor.
TRUE, // Manual reset.
FALSE, // Initially nonsignaled.
NULL); // Name.
if (!overlapped_.hEvent) {
return false;
}
// Register a callback with the thread pool for the client connection.
if (!RegisterWaitForSingleObject(&pipe_wait_handle_,
overlapped_.hEvent,
OnPipeConnected,
this,
INFINITE,
kPipeIOThreadFlags)) {
return false;
}
pipe_ = CreateNamedPipe(pipe_name_.c_str(),
kPipeAttr,
kPipeMode,
1,
kOutBufferSize,
kInBufferSize,
0,
pipe_sec_attrs_);
if (pipe_ == INVALID_HANDLE_VALUE) {
return false;
}
// Kick-start the state machine. This will initiate an asynchronous wait
// for client connections.
if (!SetEvent(overlapped_.hEvent)) {
server_state_ = IPC_SERVER_STATE_ERROR;
return false;
}
// If we are in error state, it's because we failed to start listening.
return true;
}
// If the server thread serving clients ever gets into the
// ERROR state, reset the event, close the pipe and remain
// in the error state forever. Error state means something
// that we didn't account for has happened, and it's dangerous
// to do anything unknowingly.
void CrashGenerationServer::HandleErrorState() {
assert(server_state_ == IPC_SERVER_STATE_ERROR);
// If the server is shutting down anyway, don't clean up
// here since shut down process will clean up.
if (shutting_down_) {
return;
}
if (pipe_wait_handle_) {
UnregisterWait(pipe_wait_handle_);
pipe_wait_handle_ = NULL;
}
if (pipe_) {
CloseHandle(pipe_);
pipe_ = NULL;
}
if (overlapped_.hEvent) {
CloseHandle(overlapped_.hEvent);
overlapped_.hEvent = NULL;
}
}
// When the server thread serving clients is in the INITIAL state,
// try to connect to the pipe asynchronously. If the connection
// finishes synchronously, directly go into the CONNECTED state;
// otherwise go into the CONNECTING state. For any problems, go
// into the ERROR state.
void CrashGenerationServer::HandleInitialState() {
assert(server_state_ == IPC_SERVER_STATE_INITIAL);
if (!ResetEvent(overlapped_.hEvent)) {
EnterErrorState();
return;
}
bool success = ConnectNamedPipe(pipe_, &overlapped_) != FALSE;
DWORD error_code = success ? ERROR_SUCCESS : GetLastError();
// From MSDN, it is not clear that when ConnectNamedPipe is used
// in an overlapped mode, will it ever return non-zero value, and
// if so, in what cases.
assert(!success);
switch (error_code) {
case ERROR_IO_PENDING:
EnterStateWhenSignaled(IPC_SERVER_STATE_CONNECTING);
break;
case ERROR_PIPE_CONNECTED:
EnterStateImmediately(IPC_SERVER_STATE_CONNECTED);
break;
default:
EnterErrorState();
break;
}
}
// When the server thread serving the clients is in the CONNECTING state,
// try to get the result of the asynchronous connection request using
// the OVERLAPPED object. If the result indicates the connection is done,
// go into the CONNECTED state. If the result indicates I/O is still
// INCOMPLETE, remain in the CONNECTING state. For any problems,
// go into the DISCONNECTING state.
void CrashGenerationServer::HandleConnectingState() {
assert(server_state_ == IPC_SERVER_STATE_CONNECTING);
DWORD bytes_count = 0;
bool success = GetOverlappedResult(pipe_,
&overlapped_,
&bytes_count,
FALSE) != FALSE;
DWORD error_code = success ? ERROR_SUCCESS : GetLastError();
if (success) {
EnterStateImmediately(IPC_SERVER_STATE_CONNECTED);
} else if (error_code != ERROR_IO_INCOMPLETE) {
EnterStateImmediately(IPC_SERVER_STATE_DISCONNECTING);
} else {
// remain in CONNECTING state
}
}
// When the server thread serving the clients is in the CONNECTED state,
// try to issue an asynchronous read from the pipe. If read completes
// synchronously or if I/O is pending then go into the READING state.
// For any problems, go into the DISCONNECTING state.
void CrashGenerationServer::HandleConnectedState() {
assert(server_state_ == IPC_SERVER_STATE_CONNECTED);
DWORD bytes_count = 0;
memset(&msg_, 0, sizeof(msg_));
bool success = ReadFile(pipe_,
&msg_,
sizeof(msg_),
&bytes_count,
&overlapped_) != FALSE;
DWORD error_code = success ? ERROR_SUCCESS : GetLastError();
// Note that the asynchronous read issued above can finish before the
// code below executes. But, it is okay to change state after issuing
// the asynchronous read. This is because even if the asynchronous read
// is done, the callback for it would not be executed until the current
// thread finishes its execution.
if (success || error_code == ERROR_IO_PENDING) {
EnterStateWhenSignaled(IPC_SERVER_STATE_READING);
} else {
EnterStateImmediately(IPC_SERVER_STATE_DISCONNECTING);
}
}
// When the server thread serving the clients is in the READING state,
// try to get the result of the async read. If async read is done,
// go into the READ_DONE state. For any problems, go into the
// DISCONNECTING state.
void CrashGenerationServer::HandleReadingState() {
assert(server_state_ == IPC_SERVER_STATE_READING);
DWORD bytes_count = 0;
bool success = GetOverlappedResult(pipe_,
&overlapped_,
&bytes_count,
FALSE) != FALSE;
DWORD error_code = success ? ERROR_SUCCESS : GetLastError();
if (success && bytes_count == sizeof(ProtocolMessage)) {
EnterStateImmediately(IPC_SERVER_STATE_READ_DONE);
} else {
// We should never get an I/O incomplete since we should not execute this
// unless the Read has finished and the overlapped event is signaled. If
// we do get INCOMPLETE, we have a bug in our code.
assert(error_code != ERROR_IO_INCOMPLETE);
EnterStateImmediately(IPC_SERVER_STATE_DISCONNECTING);
}
}
// When the server thread serving the client is in the READ_DONE state,
// validate the client's request message, register the client by
// creating appropriate objects and prepare the response. Then try to
// write the response to the pipe asynchronously. If that succeeds,
// go into the WRITING state. For any problems, go into the DISCONNECTING
// state.
void CrashGenerationServer::HandleReadDoneState() {
assert(server_state_ == IPC_SERVER_STATE_READ_DONE);
if (!IsClientRequestValid(msg_)) {
EnterStateImmediately(IPC_SERVER_STATE_DISCONNECTING);
return;
}
if (msg_.tag == MESSAGE_TAG_UPLOAD_REQUEST) {
if (upload_request_callback_)
upload_request_callback_(upload_context_, msg_.id);
EnterStateImmediately(IPC_SERVER_STATE_DISCONNECTING);
return;
}
scoped_ptr<ClientInfo> client_info(
new ClientInfo(this,
msg_.id,
msg_.dump_type,
msg_.thread_id,
msg_.exception_pointers,
msg_.assert_info,
msg_.custom_client_info));
if (!client_info->Initialize()) {
EnterStateImmediately(IPC_SERVER_STATE_DISCONNECTING);
return;
}
// Issues an asynchronous WriteFile call if successful.
// Iff successful, assigns ownership of the client_info pointer to the server
// instance, in which case we must be sure not to free it in this function.
if (!RespondToClient(client_info.get())) {
EnterStateImmediately(IPC_SERVER_STATE_DISCONNECTING);
return;
}
// This is only valid as long as it can be found in the clients_ list
client_info_ = client_info.release();
// Note that the asynchronous write issued by RespondToClient function
// can finish before the code below executes. But it is okay to change
// state after issuing the asynchronous write. This is because even if
// the asynchronous write is done, the callback for it would not be
// executed until the current thread finishes its execution.
EnterStateWhenSignaled(IPC_SERVER_STATE_WRITING);
}
// When the server thread serving the clients is in the WRITING state,
// try to get the result of the async write. If the async write is done,
// go into the WRITE_DONE state. For any problems, go into the
// DISONNECTING state.
void CrashGenerationServer::HandleWritingState() {
assert(server_state_ == IPC_SERVER_STATE_WRITING);
DWORD bytes_count = 0;
bool success = GetOverlappedResult(pipe_,
&overlapped_,
&bytes_count,
FALSE) != FALSE;
DWORD error_code = success ? ERROR_SUCCESS : GetLastError();
if (success) {
EnterStateImmediately(IPC_SERVER_STATE_WRITE_DONE);
return;
}
// We should never get an I/O incomplete since we should not execute this
// unless the Write has finished and the overlapped event is signaled. If
// we do get INCOMPLETE, we have a bug in our code.
assert(error_code != ERROR_IO_INCOMPLETE);
EnterStateImmediately(IPC_SERVER_STATE_DISCONNECTING);
}
// When the server thread serving the clients is in the WRITE_DONE state,
// try to issue an async read on the pipe. If the read completes synchronously
// or if I/O is still pending then go into the READING_ACK state. For any
// issues, go into the DISCONNECTING state.
void CrashGenerationServer::HandleWriteDoneState() {
assert(server_state_ == IPC_SERVER_STATE_WRITE_DONE);
DWORD bytes_count = 0;
bool success = ReadFile(pipe_,
&msg_,
sizeof(msg_),
&bytes_count,
&overlapped_) != FALSE;
DWORD error_code = success ? ERROR_SUCCESS : GetLastError();
if (success) {
EnterStateImmediately(IPC_SERVER_STATE_READING_ACK);
} else if (error_code == ERROR_IO_PENDING) {
EnterStateWhenSignaled(IPC_SERVER_STATE_READING_ACK);
} else {
EnterStateImmediately(IPC_SERVER_STATE_DISCONNECTING);
}
}
// When the server thread serving the clients is in the READING_ACK state,
// try to get result of async read. Go into the DISCONNECTING state.
void CrashGenerationServer::HandleReadingAckState() {
assert(server_state_ == IPC_SERVER_STATE_READING_ACK);
DWORD bytes_count = 0;
bool success = GetOverlappedResult(pipe_,
&overlapped_,
&bytes_count,
FALSE) != FALSE;
DWORD error_code = success ? ERROR_SUCCESS : GetLastError();
if (success) {
// The connection handshake with the client is now complete; perform
// the callback.
if (connect_callback_) {
// Note that there is only a single copy of the ClientInfo of the
// currently connected client. However it is being referenced from
// two different places:
// - the client_info_ member
// - the clients_ list
// The lifetime of this ClientInfo depends on the lifetime of the
// client process - basically it can go away at any time.
// However, as long as it is referenced by the clients_ list it
// is guaranteed to be valid. Enter the critical section and check
// to see whether the client_info_ can be found in the list.
// If found, execute the callback and only then leave the critical
// section.
AutoCriticalSection lock(&sync_);
bool client_is_still_alive = false;
std::list<ClientInfo*>::iterator iter;
for (iter = clients_.begin(); iter != clients_.end(); ++iter) {
if (client_info_ == *iter) {
client_is_still_alive = true;
break;
}
}
if (client_is_still_alive) {
connect_callback_(connect_context_, client_info_);
}
}
} else {
// We should never get an I/O incomplete since we should not execute this
// unless the Read has finished and the overlapped event is signaled. If
// we do get INCOMPLETE, we have a bug in our code.
assert(error_code != ERROR_IO_INCOMPLETE);
}
EnterStateImmediately(IPC_SERVER_STATE_DISCONNECTING);
}
// When the server thread serving the client is in the DISCONNECTING state,
// disconnect from the pipe and reset the event. If anything fails, go into
// the ERROR state. If it goes well, go into the INITIAL state and set the
// event to start all over again.
void CrashGenerationServer::HandleDisconnectingState() {
assert(server_state_ == IPC_SERVER_STATE_DISCONNECTING);
// Done serving the client.
client_info_ = NULL;
overlapped_.Internal = NULL;
overlapped_.InternalHigh = NULL;
overlapped_.Offset = 0;
overlapped_.OffsetHigh = 0;
overlapped_.Pointer = NULL;
if (!ResetEvent(overlapped_.hEvent)) {
EnterErrorState();
return;
}
if (!DisconnectNamedPipe(pipe_)) {
EnterErrorState();
return;
}
// If the server is shutting down do not connect to the
// next client.
if (shutting_down_) {
return;
}
EnterStateImmediately(IPC_SERVER_STATE_INITIAL);
}
void CrashGenerationServer::EnterErrorState() {
SetEvent(overlapped_.hEvent);
server_state_ = IPC_SERVER_STATE_ERROR;
}
void CrashGenerationServer::EnterStateWhenSignaled(IPCServerState state) {
server_state_ = state;
}
void CrashGenerationServer::EnterStateImmediately(IPCServerState state) {
server_state_ = state;
if (!SetEvent(overlapped_.hEvent)) {
server_state_ = IPC_SERVER_STATE_ERROR;
}
}
bool CrashGenerationServer::PrepareReply(const ClientInfo& client_info,
ProtocolMessage* reply) const {
reply->tag = MESSAGE_TAG_REGISTRATION_RESPONSE;
reply->id = GetCurrentProcessId();
if (CreateClientHandles(client_info, reply)) {
return true;
}
// Closing of remote handles (belonging to a different process) can
// only be done through DuplicateHandle.
if (reply->dump_request_handle) {
DuplicateHandle(client_info.process_handle(), // hSourceProcessHandle
reply->dump_request_handle, // hSourceHandle
NULL, // hTargetProcessHandle
0, // lpTargetHandle
0, // dwDesiredAccess
FALSE, // bInheritHandle
DUPLICATE_CLOSE_SOURCE); // dwOptions
reply->dump_request_handle = NULL;
}
if (reply->dump_generated_handle) {
DuplicateHandle(client_info.process_handle(), // hSourceProcessHandle
reply->dump_generated_handle, // hSourceHandle
NULL, // hTargetProcessHandle
0, // lpTargetHandle
0, // dwDesiredAccess
FALSE, // bInheritHandle
DUPLICATE_CLOSE_SOURCE); // dwOptions
reply->dump_generated_handle = NULL;
}
if (reply->server_alive_handle) {
DuplicateHandle(client_info.process_handle(), // hSourceProcessHandle
reply->server_alive_handle, // hSourceHandle
NULL, // hTargetProcessHandle
0, // lpTargetHandle
0, // dwDesiredAccess
FALSE, // bInheritHandle
DUPLICATE_CLOSE_SOURCE); // dwOptions
reply->server_alive_handle = NULL;
}
return false;
}
bool CrashGenerationServer::CreateClientHandles(const ClientInfo& client_info,
ProtocolMessage* reply) const {
HANDLE current_process = GetCurrentProcess();
if (!DuplicateHandle(current_process,
client_info.dump_requested_handle(),
client_info.process_handle(),
&reply->dump_request_handle,
kDumpRequestEventAccess,
FALSE,
0)) {
return false;
}
if (!DuplicateHandle(current_process,
client_info.dump_generated_handle(),
client_info.process_handle(),
&reply->dump_generated_handle,
kDumpGeneratedEventAccess,
FALSE,
0)) {
return false;
}
if (!DuplicateHandle(current_process,
server_alive_handle_,
client_info.process_handle(),
&reply->server_alive_handle,
kMutexAccess,
FALSE,
0)) {
return false;
}
return true;
}
bool CrashGenerationServer::RespondToClient(ClientInfo* client_info) {
ProtocolMessage reply;
if (!PrepareReply(*client_info, &reply)) {
return false;
}
DWORD bytes_count = 0;
bool success = WriteFile(pipe_,
&reply,
sizeof(reply),
&bytes_count,
&overlapped_) != FALSE;
DWORD error_code = success ? ERROR_SUCCESS : GetLastError();
if (!success && error_code != ERROR_IO_PENDING) {
return false;
}
// Takes over ownership of client_info. We MUST return true if AddClient
// succeeds.
return AddClient(client_info);
}
// The server thread servicing the clients runs this method. The method
// implements the state machine described in ReadMe.txt along with the
// helper methods HandleXXXState.
void CrashGenerationServer::HandleConnectionRequest() {
// If the server is shutting down, get into ERROR state, reset the event so
// more workers don't run and return immediately.
if (shutting_down_) {
server_state_ = IPC_SERVER_STATE_ERROR;
ResetEvent(overlapped_.hEvent);
return;
}
switch (server_state_) {
case IPC_SERVER_STATE_ERROR:
HandleErrorState();
break;
case IPC_SERVER_STATE_INITIAL:
HandleInitialState();
break;
case IPC_SERVER_STATE_CONNECTING:
HandleConnectingState();
break;
case IPC_SERVER_STATE_CONNECTED:
HandleConnectedState();
break;
case IPC_SERVER_STATE_READING:
HandleReadingState();
break;
case IPC_SERVER_STATE_READ_DONE:
HandleReadDoneState();
break;
case IPC_SERVER_STATE_WRITING:
HandleWritingState();
break;
case IPC_SERVER_STATE_WRITE_DONE:
HandleWriteDoneState();
break;
case IPC_SERVER_STATE_READING_ACK:
HandleReadingAckState();
break;
case IPC_SERVER_STATE_DISCONNECTING:
HandleDisconnectingState();
break;
default:
assert(false);
// This indicates that we added one more state without
// adding handling code.
server_state_ = IPC_SERVER_STATE_ERROR;
break;
}
}
bool CrashGenerationServer::AddClient(ClientInfo* client_info) {
HANDLE request_wait_handle = NULL;
if (!RegisterWaitForSingleObject(&request_wait_handle,
client_info->dump_requested_handle(),
OnDumpRequest,
client_info,
INFINITE,
kDumpRequestThreadFlags)) {
return false;
}
client_info->set_dump_request_wait_handle(request_wait_handle);
// OnClientEnd will be called when the client process terminates.
HANDLE process_wait_handle = NULL;
if (!RegisterWaitForSingleObject(&process_wait_handle,
client_info->process_handle(),
OnClientEnd,
client_info,
INFINITE,
WT_EXECUTEONLYONCE)) {
return false;
}
client_info->set_process_exit_wait_handle(process_wait_handle);
// New scope to hold the lock for the shortest time.
{
AutoCriticalSection lock(&sync_);
if (shutting_down_) {
// If server is shutting down, don't add new clients
return false;
}
clients_.push_back(client_info);
}
return true;
}
// static
void CALLBACK CrashGenerationServer::OnPipeConnected(void* context, BOOLEAN) {
assert(context);
CrashGenerationServer* obj =
reinterpret_cast<CrashGenerationServer*>(context);
obj->HandleConnectionRequest();
}
// static
void CALLBACK CrashGenerationServer::OnDumpRequest(void* context, BOOLEAN) {
assert(context);
ClientInfo* client_info = reinterpret_cast<ClientInfo*>(context);
client_info->PopulateCustomInfo();
CrashGenerationServer* crash_server = client_info->crash_server();
assert(crash_server);
crash_server->HandleDumpRequest(*client_info);
ResetEvent(client_info->dump_requested_handle());
}
// static
void CALLBACK CrashGenerationServer::OnClientEnd(void* context, BOOLEAN) {
assert(context);
ClientInfo* client_info = reinterpret_cast<ClientInfo*>(context);
CrashGenerationServer* crash_server = client_info->crash_server();
assert(crash_server);
crash_server->HandleClientProcessExit(client_info);
}
void CrashGenerationServer::HandleClientProcessExit(ClientInfo* client_info) {
assert(client_info);
// Must unregister the dump request wait operation and wait for any
// dump requests that might be pending to finish before proceeding
// with the client_info cleanup.
client_info->UnregisterDumpRequestWaitAndBlockUntilNoPending();
if (exit_callback_) {
exit_callback_(exit_context_, client_info);
}
// Start a new scope to release lock automatically.
{
AutoCriticalSection lock(&sync_);
if (shutting_down_) {
// The crash generation server is shutting down and as part of the
// shutdown process it will delete all clients from the clients_ list.
return;
}
clients_.remove(client_info);
}
// Explicitly unregister the process exit wait using the non-blocking method.
// Otherwise, the destructor will attempt to unregister it using the blocking
// method which will lead to a deadlock because it is being called from the
// callback of the same wait operation
client_info->UnregisterProcessExitWait(false);
delete client_info;
}
void CrashGenerationServer::HandleDumpRequest(const ClientInfo& client_info) {
bool execute_callback = true;
// Generate the dump only if it's explicitly requested by the
// server application; otherwise the server might want to generate
// dump in the callback.
std::wstring dump_path;
if (generate_dumps_) {
if (!GenerateDump(client_info, &dump_path)) {
// client proccess terminated or some other error
execute_callback = false;
}
}
if (dump_callback_ && execute_callback) {
std::wstring* ptr_dump_path = (dump_path == L"") ? NULL : &dump_path;
dump_callback_(dump_context_, &client_info, ptr_dump_path);
}
SetEvent(client_info.dump_generated_handle());
}
bool CrashGenerationServer::GenerateDump(const ClientInfo& client,
std::wstring* dump_path) {
assert(client.pid() != 0);
assert(client.process_handle());
// We have to get the address of EXCEPTION_INFORMATION from
// the client process address space.
EXCEPTION_POINTERS* client_ex_info = NULL;
if (!client.GetClientExceptionInfo(&client_ex_info)) {
return false;
}
DWORD client_thread_id = 0;
if (!client.GetClientThreadId(&client_thread_id)) {
return false;
}
return dump_generator_->WriteMinidump(client.process_handle(),
client.pid(),
client_thread_id,
GetCurrentThreadId(),
client_ex_info,
client.assert_info(),
client.dump_type(),
true,
dump_path);
}
} // namespace google_breakpad

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// Copyright (c) 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef CLIENT_WINDOWS_CRASH_GENERATION_CRASH_GENERATION_SERVER_H__
#define CLIENT_WINDOWS_CRASH_GENERATION_CRASH_GENERATION_SERVER_H__
#include <list>
#include <string>
#include "client/windows/common/ipc_protocol.h"
#include "client/windows/crash_generation/minidump_generator.h"
#include "common/scoped_ptr.h"
namespace google_breakpad {
class ClientInfo;
// Abstraction for server side implementation of out-of-process crash
// generation protocol for Windows platform only. It generates Windows
// minidump files for client processes that request dump generation. When
// the server is requested to start listening for clients (by calling the
// Start method), it creates a named pipe and waits for the clients to
// register. In response, it hands them event handles that the client can
// signal to request dump generation. When the clients request dump
// generation in this way, the server generates Windows minidump files.
class CrashGenerationServer {
public:
typedef void (*OnClientConnectedCallback)(void* context,
const ClientInfo* client_info);
typedef void (*OnClientDumpRequestCallback)(void* context,
const ClientInfo* client_info,
const std::wstring* file_path);
typedef void (*OnClientExitedCallback)(void* context,
const ClientInfo* client_info);
typedef void (*OnClientUploadRequestCallback)(void* context,
const DWORD crash_id);
// Creates an instance with the given parameters.
//
// Parameter pipe_name: Name of the Windows named pipe
// Parameter pipe_sec_attrs Security attributes to set on the pipe. Pass
// NULL to use default security on the pipe. By default, the pipe created
// allows Local System, Administrators and the Creator full control and
// the Everyone group read access on the pipe.
// Parameter connect_callback: Callback for a new client connection.
// Parameter connect_context: Context for client connection callback.
// Parameter crash_callback: Callback for a client crash dump request.
// Parameter crash_context: Context for client crash dump request callback.
// Parameter exit_callback: Callback for client process exit.
// Parameter exit_context: Context for client exit callback.
// Parameter generate_dumps: Whether to automatically generate dumps.
// Client code of this class might want to generate dumps explicitly in the
// crash dump request callback. In that case, false can be passed for this
// parameter.
// Parameter dump_path: Path for generating dumps; required only if true is
// passed for generateDumps parameter; NULL can be passed otherwise.
CrashGenerationServer(const std::wstring& pipe_name,
SECURITY_ATTRIBUTES* pipe_sec_attrs,
OnClientConnectedCallback connect_callback,
void* connect_context,
OnClientDumpRequestCallback dump_callback,
void* dump_context,
OnClientExitedCallback exit_callback,
void* exit_context,
OnClientUploadRequestCallback upload_request_callback,
void* upload_context,
bool generate_dumps,
const std::wstring* dump_path);
~CrashGenerationServer();
// Performs initialization steps needed to start listening to clients. Upon
// successful return clients may connect to this server's pipe.
//
// Returns true if initialization is successful; false otherwise.
bool Start();
private:
// Various states the client can be in during the handshake with
// the server.
enum IPCServerState {
// Server starts in this state.
IPC_SERVER_STATE_UNINITIALIZED,
// Server is in error state and it cannot serve any clients.
IPC_SERVER_STATE_ERROR,
// Server starts in this state.
IPC_SERVER_STATE_INITIAL,
// Server has issued an async connect to the pipe and it is waiting
// for the connection to be established.
IPC_SERVER_STATE_CONNECTING,
// Server is connected successfully.
IPC_SERVER_STATE_CONNECTED,
// Server has issued an async read from the pipe and it is waiting for
// the read to finish.
IPC_SERVER_STATE_READING,
// Server is done reading from the pipe.
IPC_SERVER_STATE_READ_DONE,
// Server has issued an async write to the pipe and it is waiting for
// the write to finish.
IPC_SERVER_STATE_WRITING,
// Server is done writing to the pipe.
IPC_SERVER_STATE_WRITE_DONE,
// Server has issued an async read from the pipe for an ack and it
// is waiting for the read to finish.
IPC_SERVER_STATE_READING_ACK,
// Server is done writing to the pipe and it is now ready to disconnect
// and reconnect.
IPC_SERVER_STATE_DISCONNECTING
};
//
// Helper methods to handle various server IPC states.
//
void HandleErrorState();
void HandleInitialState();
void HandleConnectingState();
void HandleConnectedState();
void HandleReadingState();
void HandleReadDoneState();
void HandleWritingState();
void HandleWriteDoneState();
void HandleReadingAckState();
void HandleDisconnectingState();
// Prepares reply for a client from the given parameters.
bool PrepareReply(const ClientInfo& client_info,
ProtocolMessage* reply) const;
// Duplicates various handles in the ClientInfo object for the client
// process and stores them in the given ProtocolMessage instance. If
// creating any handle fails, ProtocolMessage will contain the handles
// already created successfully, which should be closed by the caller.
bool CreateClientHandles(const ClientInfo& client_info,
ProtocolMessage* reply) const;
// Response to the given client. Return true if all steps of
// responding to the client succeed, false otherwise.
bool RespondToClient(ClientInfo* client_info);
// Handles a connection request from the client.
void HandleConnectionRequest();
// Handles a dump request from the client.
void HandleDumpRequest(const ClientInfo& client_info);
// Callback for pipe connected event.
static void CALLBACK OnPipeConnected(void* context, BOOLEAN timer_or_wait);
// Callback for a dump request.
static void CALLBACK OnDumpRequest(void* context, BOOLEAN timer_or_wait);
// Callback for client process exit event.
static void CALLBACK OnClientEnd(void* context, BOOLEAN timer_or_wait);
// Handles client process exit.
void HandleClientProcessExit(ClientInfo* client_info);
// Adds the given client to the list of registered clients.
bool AddClient(ClientInfo* client_info);
// Generates dump for the given client.
bool GenerateDump(const ClientInfo& client, std::wstring* dump_path);
// Puts the server in a permanent error state and sets a signal such that
// the state will be immediately entered after the current state transition
// is complete.
void EnterErrorState();
// Puts the server in the specified state and sets a signal such that the
// state is immediately entered after the current state transition is
// complete.
void EnterStateImmediately(IPCServerState state);
// Puts the server in the specified state. No signal will be set, so the state
// transition will only occur when signaled manually or by completion of an
// asynchronous IO operation.
void EnterStateWhenSignaled(IPCServerState state);
// Sync object for thread-safe access to the shared list of clients.
CRITICAL_SECTION sync_;
// List of clients.
std::list<ClientInfo*> clients_;
// Pipe name.
std::wstring pipe_name_;
// Pipe security attributes
SECURITY_ATTRIBUTES* pipe_sec_attrs_;
// Handle to the pipe used for handshake with clients.
HANDLE pipe_;
// Pipe wait handle.
HANDLE pipe_wait_handle_;
// Handle to server-alive mutex.
HANDLE server_alive_handle_;
// Callback for a successful client connection.
OnClientConnectedCallback connect_callback_;
// Context for client connected callback.
void* connect_context_;
// Callback for a client dump request.
OnClientDumpRequestCallback dump_callback_;
// Context for client dump request callback.
void* dump_context_;
// Callback for client process exit.
OnClientExitedCallback exit_callback_;
// Context for client process exit callback.
void* exit_context_;
// Callback for upload request.
OnClientUploadRequestCallback upload_request_callback_;
// Context for upload request callback.
void* upload_context_;
// Whether to generate dumps.
bool generate_dumps_;
// Instance of a mini dump generator.
scoped_ptr<MinidumpGenerator> dump_generator_;
// State of the server in performing the IPC with the client.
// Note that since we restrict the pipe to one instance, we
// only need to keep one state of the server. Otherwise, server
// would have one state per client it is talking to.
IPCServerState server_state_;
// Whether the server is shutting down.
bool shutting_down_;
// Overlapped instance for async I/O on the pipe.
OVERLAPPED overlapped_;
// Message object used in IPC with the client.
ProtocolMessage msg_;
// Client Info for the client that's connecting to the server.
ClientInfo* client_info_;
// Disable copy ctor and operator=.
CrashGenerationServer(const CrashGenerationServer& crash_server);
CrashGenerationServer& operator=(const CrashGenerationServer& crash_server);
};
} // namespace google_breakpad
#endif // CLIENT_WINDOWS_CRASH_GENERATION_CRASH_GENERATION_SERVER_H__

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// Copyright (c) 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "client/windows/crash_generation/minidump_generator.h"
#include <assert.h>
#include <avrfsdk.h>
#include <algorithm>
#include <iterator>
#include <list>
#include <vector>
#include "client/windows/common/auto_critical_section.h"
#include "common/windows/guid_string.h"
using std::wstring;
namespace {
// A helper class used to collect handle operations data. Unlike
// |MiniDumpWithHandleData| it records the operations for a single handle value
// only, making it possible to include this information to a minidump.
class HandleTraceData {
public:
HandleTraceData();
~HandleTraceData();
// Collects the handle operations data and formats a user stream to be added
// to the minidump.
bool CollectHandleData(HANDLE process_handle,
EXCEPTION_POINTERS* exception_pointers);
// Fills the user dump entry with a pointer to the collected handle operations
// data. Returns |true| if the entry was initialized successfully, or |false|
// if no trace data is available.
bool GetUserStream(MINIDUMP_USER_STREAM* user_stream);
private:
// Reads the exception code from the client process's address space.
// This routine assumes that the client process's pointer width matches ours.
static bool ReadExceptionCode(HANDLE process_handle,
EXCEPTION_POINTERS* exception_pointers,
DWORD* exception_code);
// Stores handle operations retrieved by VerifierEnumerateResource().
static ULONG CALLBACK RecordHandleOperations(void* resource_description,
void* enumeration_context,
ULONG* enumeration_level);
// Function pointer type for VerifierEnumerateResource, which is looked up
// dynamically.
typedef BOOL (WINAPI* VerifierEnumerateResourceType)(
HANDLE Process,
ULONG Flags,
ULONG ResourceType,
AVRF_RESOURCE_ENUMERATE_CALLBACK ResourceCallback,
PVOID EnumerationContext);
// Handle to dynamically loaded verifier.dll.
HMODULE verifier_module_;
// Pointer to the VerifierEnumerateResource function.
VerifierEnumerateResourceType enumerate_resource_;
// Handle value to look for.
ULONG64 handle_;
// List of handle operations for |handle_|.
std::list<AVRF_HANDLE_OPERATION> operations_;
// Minidump stream data.
std::vector<char> stream_;
};
HandleTraceData::HandleTraceData()
: verifier_module_(NULL),
enumerate_resource_(NULL),
handle_(NULL) {
}
HandleTraceData::~HandleTraceData() {
if (verifier_module_) {
FreeLibrary(verifier_module_);
}
}
bool HandleTraceData::CollectHandleData(
HANDLE process_handle,
EXCEPTION_POINTERS* exception_pointers) {
DWORD exception_code;
if (!ReadExceptionCode(process_handle, exception_pointers, &exception_code)) {
return false;
}
// Verify whether the execption is STATUS_INVALID_HANDLE. Do not record any
// handle information if it is a different exception to keep the minidump
// small.
if (exception_code != STATUS_INVALID_HANDLE) {
return true;
}
// Load verifier!VerifierEnumerateResource() dynamically.
verifier_module_ = LoadLibrary(TEXT("verifier.dll"));
if (!verifier_module_) {
return false;
}
enumerate_resource_ = reinterpret_cast<VerifierEnumerateResourceType>(
GetProcAddress(verifier_module_, "VerifierEnumerateResource"));
if (!enumerate_resource_) {
return false;
}
// STATUS_INVALID_HANDLE does not provide the offending handle value in
// the exception parameters so we have to guess. At the moment we scan
// the handle operations trace looking for the last invalid handle operation
// and record only the operations for that handle value.
if (enumerate_resource_(process_handle,
0,
AvrfResourceHandleTrace,
&RecordHandleOperations,
this) != ERROR_SUCCESS) {
// The handle tracing must have not been enabled.
return true;
}
// Now that |handle_| is initialized, purge all irrelevant operations.
std::list<AVRF_HANDLE_OPERATION>::iterator i = operations_.begin();
std::list<AVRF_HANDLE_OPERATION>::iterator i_end = operations_.end();
while (i != i_end) {
if (i->Handle == handle_) {
++i;
} else {
i = operations_.erase(i);
}
}
// Convert the list of recorded operations to a minidump stream.
stream_.resize(sizeof(MINIDUMP_HANDLE_OPERATION_LIST) +
sizeof(AVRF_HANDLE_OPERATION) * operations_.size());
MINIDUMP_HANDLE_OPERATION_LIST* stream_data =
reinterpret_cast<MINIDUMP_HANDLE_OPERATION_LIST*>(
&stream_.front());
stream_data->SizeOfHeader = sizeof(MINIDUMP_HANDLE_OPERATION_LIST);
stream_data->SizeOfEntry = sizeof(AVRF_HANDLE_OPERATION);
stream_data->NumberOfEntries = static_cast<ULONG32>(operations_.size());
stream_data->Reserved = 0;
std::copy(operations_.begin(),
operations_.end(),
stdext::checked_array_iterator<AVRF_HANDLE_OPERATION*>(
reinterpret_cast<AVRF_HANDLE_OPERATION*>(stream_data + 1),
operations_.size()));
return true;
}
bool HandleTraceData::GetUserStream(MINIDUMP_USER_STREAM* user_stream) {
if (stream_.empty()) {
return false;
} else {
user_stream->Type = HandleOperationListStream;
user_stream->BufferSize = static_cast<ULONG>(stream_.size());
user_stream->Buffer = &stream_.front();
return true;
}
}
bool HandleTraceData::ReadExceptionCode(
HANDLE process_handle,
EXCEPTION_POINTERS* exception_pointers,
DWORD* exception_code) {
EXCEPTION_POINTERS pointers;
if (!ReadProcessMemory(process_handle,
exception_pointers,
&pointers,
sizeof(pointers),
NULL)) {
return false;
}
if (!ReadProcessMemory(process_handle,
pointers.ExceptionRecord,
exception_code,
sizeof(*exception_code),
NULL)) {
return false;
}
return true;
}
ULONG CALLBACK HandleTraceData::RecordHandleOperations(
void* resource_description,
void* enumeration_context,
ULONG* enumeration_level) {
AVRF_HANDLE_OPERATION* description =
reinterpret_cast<AVRF_HANDLE_OPERATION*>(resource_description);
HandleTraceData* self =
reinterpret_cast<HandleTraceData*>(enumeration_context);
// Remember the last invalid handle operation.
if (description->OperationType == OperationDbBADREF) {
self->handle_ = description->Handle;
}
// Record all handle operations.
self->operations_.push_back(*description);
*enumeration_level = HeapEnumerationEverything;
return ERROR_SUCCESS;
}
} // namespace
namespace google_breakpad {
MinidumpGenerator::MinidumpGenerator(const wstring& dump_path)
: dbghelp_module_(NULL),
rpcrt4_module_(NULL),
dump_path_(dump_path),
write_dump_(NULL),
create_uuid_(NULL) {
InitializeCriticalSection(&module_load_sync_);
InitializeCriticalSection(&get_proc_address_sync_);
}
MinidumpGenerator::~MinidumpGenerator() {
if (dbghelp_module_) {
FreeLibrary(dbghelp_module_);
}
if (rpcrt4_module_) {
FreeLibrary(rpcrt4_module_);
}
DeleteCriticalSection(&get_proc_address_sync_);
DeleteCriticalSection(&module_load_sync_);
}
bool MinidumpGenerator::WriteMinidump(HANDLE process_handle,
DWORD process_id,
DWORD thread_id,
DWORD requesting_thread_id,
EXCEPTION_POINTERS* exception_pointers,
MDRawAssertionInfo* assert_info,
MINIDUMP_TYPE dump_type,
bool is_client_pointers,
wstring* dump_path) {
// Just call the full WriteMinidump with NULL as the full_dump_path.
return this->WriteMinidump(process_handle, process_id, thread_id,
requesting_thread_id, exception_pointers,
assert_info, dump_type, is_client_pointers,
dump_path, NULL);
}
bool MinidumpGenerator::WriteMinidump(HANDLE process_handle,
DWORD process_id,
DWORD thread_id,
DWORD requesting_thread_id,
EXCEPTION_POINTERS* exception_pointers,
MDRawAssertionInfo* assert_info,
MINIDUMP_TYPE dump_type,
bool is_client_pointers,
wstring* dump_path,
wstring* full_dump_path) {
MiniDumpWriteDumpType write_dump = GetWriteDump();
if (!write_dump) {
return false;
}
wstring dump_file_path;
if (!GenerateDumpFilePath(&dump_file_path)) {
return false;
}
// If the client requests a full memory dump, we will write a normal mini
// dump and a full memory dump. Both dump files use the same uuid as file
// name prefix.
bool full_memory_dump = (dump_type & MiniDumpWithFullMemory) != 0;
wstring full_dump_file_path;
if (full_memory_dump) {
full_dump_file_path.assign(dump_file_path);
full_dump_file_path.resize(full_dump_file_path.size() - 4); // strip .dmp
full_dump_file_path.append(TEXT("-full.dmp"));
}
HANDLE dump_file = CreateFile(dump_file_path.c_str(),
GENERIC_WRITE,
0,
NULL,
CREATE_NEW,
FILE_ATTRIBUTE_NORMAL,
NULL);
if (dump_file == INVALID_HANDLE_VALUE) {
return false;
}
HANDLE full_dump_file = INVALID_HANDLE_VALUE;
if (full_memory_dump) {
full_dump_file = CreateFile(full_dump_file_path.c_str(),
GENERIC_WRITE,
0,
NULL,
CREATE_NEW,
FILE_ATTRIBUTE_NORMAL,
NULL);
if (full_dump_file == INVALID_HANDLE_VALUE) {
CloseHandle(dump_file);
return false;
}
}
MINIDUMP_EXCEPTION_INFORMATION* dump_exception_pointers = NULL;
MINIDUMP_EXCEPTION_INFORMATION dump_exception_info;
// Setup the exception information object only if it's a dump
// due to an exception.
if (exception_pointers) {
dump_exception_pointers = &dump_exception_info;
dump_exception_info.ThreadId = thread_id;
dump_exception_info.ExceptionPointers = exception_pointers;
dump_exception_info.ClientPointers = is_client_pointers;
}
// Add an MDRawBreakpadInfo stream to the minidump, to provide additional
// information about the exception handler to the Breakpad processor.
// The information will help the processor determine which threads are
// relevant. The Breakpad processor does not require this information but
// can function better with Breakpad-generated dumps when it is present.
// The native debugger is not harmed by the presence of this information.
MDRawBreakpadInfo breakpad_info = {0};
if (!is_client_pointers) {
// Set the dump thread id and requesting thread id only in case of
// in-process dump generation.
breakpad_info.validity = MD_BREAKPAD_INFO_VALID_DUMP_THREAD_ID |
MD_BREAKPAD_INFO_VALID_REQUESTING_THREAD_ID;
breakpad_info.dump_thread_id = thread_id;
breakpad_info.requesting_thread_id = requesting_thread_id;
}
// Leave room in user_stream_array for possible assertion info and handle
// operations streams.
MINIDUMP_USER_STREAM user_stream_array[3];
user_stream_array[0].Type = MD_BREAKPAD_INFO_STREAM;
user_stream_array[0].BufferSize = sizeof(breakpad_info);
user_stream_array[0].Buffer = &breakpad_info;
MINIDUMP_USER_STREAM_INFORMATION user_streams;
user_streams.UserStreamCount = 1;
user_streams.UserStreamArray = user_stream_array;
MDRawAssertionInfo* actual_assert_info = assert_info;
MDRawAssertionInfo client_assert_info = {0};
if (assert_info) {
// If the assertion info object lives in the client process,
// read the memory of the client process.
if (is_client_pointers) {
SIZE_T bytes_read = 0;
if (!ReadProcessMemory(process_handle,
assert_info,
&client_assert_info,
sizeof(client_assert_info),
&bytes_read)) {
CloseHandle(dump_file);
if (full_dump_file != INVALID_HANDLE_VALUE)
CloseHandle(full_dump_file);
return false;
}
if (bytes_read != sizeof(client_assert_info)) {
CloseHandle(dump_file);
if (full_dump_file != INVALID_HANDLE_VALUE)
CloseHandle(full_dump_file);
return false;
}
actual_assert_info = &client_assert_info;
}
user_stream_array[1].Type = MD_ASSERTION_INFO_STREAM;
user_stream_array[1].BufferSize = sizeof(MDRawAssertionInfo);
user_stream_array[1].Buffer = actual_assert_info;
++user_streams.UserStreamCount;
}
// If the process is terminated by STATUS_INVALID_HANDLE exception store
// the trace of operatios for the offending handle value. Do nothing special
// if the client already requested the handle trace to be stored in the dump.
HandleTraceData handle_trace_data;
if (exception_pointers && (dump_type & MiniDumpWithHandleData) == 0) {
if (!handle_trace_data.CollectHandleData(process_handle,
exception_pointers)) {
CloseHandle(dump_file);
if (full_dump_file != INVALID_HANDLE_VALUE)
CloseHandle(full_dump_file);
return false;
}
}
bool result_full_memory = true;
if (full_memory_dump) {
result_full_memory = write_dump(
process_handle,
process_id,
full_dump_file,
static_cast<MINIDUMP_TYPE>((dump_type & (~MiniDumpNormal))
| MiniDumpWithHandleData),
exception_pointers ? &dump_exception_info : NULL,
&user_streams,
NULL) != FALSE;
}
// Add handle operations trace stream to the minidump if it was collected.
if (handle_trace_data.GetUserStream(
&user_stream_array[user_streams.UserStreamCount])) {
++user_streams.UserStreamCount;
}
bool result_minidump = write_dump(
process_handle,
process_id,
dump_file,
static_cast<MINIDUMP_TYPE>((dump_type & (~MiniDumpWithFullMemory))
| MiniDumpNormal),
exception_pointers ? &dump_exception_info : NULL,
&user_streams,
NULL) != FALSE;
bool result = result_minidump && result_full_memory;
CloseHandle(dump_file);
if (full_dump_file != INVALID_HANDLE_VALUE)
CloseHandle(full_dump_file);
// Store the path of the dump file in the out parameter if dump generation
// succeeded.
if (result && dump_path) {
*dump_path = dump_file_path;
}
if (result && full_memory_dump && full_dump_path) {
*full_dump_path = full_dump_file_path;
}
return result;
}
HMODULE MinidumpGenerator::GetDbghelpModule() {
AutoCriticalSection lock(&module_load_sync_);
if (!dbghelp_module_) {
dbghelp_module_ = LoadLibrary(TEXT("dbghelp.dll"));
}
return dbghelp_module_;
}
MinidumpGenerator::MiniDumpWriteDumpType MinidumpGenerator::GetWriteDump() {
AutoCriticalSection lock(&get_proc_address_sync_);
if (!write_dump_) {
HMODULE module = GetDbghelpModule();
if (module) {
FARPROC proc = GetProcAddress(module, "MiniDumpWriteDump");
write_dump_ = reinterpret_cast<MiniDumpWriteDumpType>(proc);
}
}
return write_dump_;
}
HMODULE MinidumpGenerator::GetRpcrt4Module() {
AutoCriticalSection lock(&module_load_sync_);
if (!rpcrt4_module_) {
rpcrt4_module_ = LoadLibrary(TEXT("rpcrt4.dll"));
}
return rpcrt4_module_;
}
MinidumpGenerator::UuidCreateType MinidumpGenerator::GetCreateUuid() {
AutoCriticalSection lock(&module_load_sync_);
if (!create_uuid_) {
HMODULE module = GetRpcrt4Module();
if (module) {
FARPROC proc = GetProcAddress(module, "UuidCreate");
create_uuid_ = reinterpret_cast<UuidCreateType>(proc);
}
}
return create_uuid_;
}
bool MinidumpGenerator::GenerateDumpFilePath(wstring* file_path) {
UUID id = {0};
UuidCreateType create_uuid = GetCreateUuid();
if (!create_uuid) {
return false;
}
create_uuid(&id);
wstring id_str = GUIDString::GUIDToWString(&id);
*file_path = dump_path_ + TEXT("\\") + id_str + TEXT(".dmp");
return true;
}
} // namespace google_breakpad

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// Copyright (c) 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef CLIENT_WINDOWS_CRASH_GENERATION_MINIDUMP_GENERATOR_H_
#define CLIENT_WINDOWS_CRASH_GENERATION_MINIDUMP_GENERATOR_H_
#include <windows.h>
#include <dbghelp.h>
#include <rpc.h>
#include <list>
#include "google_breakpad/common/minidump_format.h"
namespace google_breakpad {
// Abstraction for various objects and operations needed to generate
// minidump on Windows. This abstraction is useful to hide all the gory
// details for minidump generation and provide a clean interface to
// the clients to generate minidumps.
class MinidumpGenerator {
public:
// Creates an instance with the given dump path.
explicit MinidumpGenerator(const std::wstring& dump_path);
~MinidumpGenerator();
// Writes the minidump with the given parameters. Stores the
// dump file path in the dump_path parameter if dump generation
// succeeds.
bool WriteMinidump(HANDLE process_handle,
DWORD process_id,
DWORD thread_id,
DWORD requesting_thread_id,
EXCEPTION_POINTERS* exception_pointers,
MDRawAssertionInfo* assert_info,
MINIDUMP_TYPE dump_type,
bool is_client_pointers,
std::wstring* dump_path);
// Writes the minidump with the given parameters. Stores the dump file
// path in the dump_path (and full_dump_path) parameter if dump
// generation succeeds. full_dump_path and dump_path can be NULL.
bool WriteMinidump(HANDLE process_handle,
DWORD process_id,
DWORD thread_id,
DWORD requesting_thread_id,
EXCEPTION_POINTERS* exception_pointers,
MDRawAssertionInfo* assert_info,
MINIDUMP_TYPE dump_type,
bool is_client_pointers,
std::wstring* dump_path,
std::wstring* full_dump_path);
private:
// Function pointer type for MiniDumpWriteDump, which is looked up
// dynamically.
typedef BOOL (WINAPI* MiniDumpWriteDumpType)(
HANDLE hProcess,
DWORD ProcessId,
HANDLE hFile,
MINIDUMP_TYPE DumpType,
CONST PMINIDUMP_EXCEPTION_INFORMATION ExceptionParam,
CONST PMINIDUMP_USER_STREAM_INFORMATION UserStreamParam,
CONST PMINIDUMP_CALLBACK_INFORMATION CallbackParam);
// Function pointer type for UuidCreate, which is looked up dynamically.
typedef RPC_STATUS (RPC_ENTRY* UuidCreateType)(UUID* Uuid);
// Loads the appropriate DLL lazily in a thread safe way.
HMODULE GetDbghelpModule();
// Loads the appropriate DLL and gets a pointer to the MiniDumpWriteDump
// function lazily and in a thread-safe manner.
MiniDumpWriteDumpType GetWriteDump();
// Loads the appropriate DLL lazily in a thread safe way.
HMODULE GetRpcrt4Module();
// Loads the appropriate DLL and gets a pointer to the UuidCreate
// function lazily and in a thread-safe manner.
UuidCreateType GetCreateUuid();
// Returns the path for the file to write dump to.
bool GenerateDumpFilePath(std::wstring* file_path);
// Handle to dynamically loaded DbgHelp.dll.
HMODULE dbghelp_module_;
// Pointer to the MiniDumpWriteDump function.
MiniDumpWriteDumpType write_dump_;
// Handle to dynamically loaded rpcrt4.dll.
HMODULE rpcrt4_module_;
// Pointer to the UuidCreate function.
UuidCreateType create_uuid_;
// Folder path to store dump files.
std::wstring dump_path_;
// Critical section to sychronize action of loading modules dynamically.
CRITICAL_SECTION module_load_sync_;
// Critical section to synchronize action of dynamically getting function
// addresses from modules.
CRITICAL_SECTION get_proc_address_sync_;
};
} // namespace google_breakpad
#endif // CLIENT_WINDOWS_CRASH_GENERATION_MINIDUMP_GENERATOR_H_

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# Copyright (c) 2010, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
{
'includes': [
'../build/common.gypi',
],
'targets': [
{
'target_name': 'exception_handler',
'type': 'static_library',
'sources': [
"exception_handler.cc",
"exception_handler.h",
],
'dependencies': [
'../breakpad_client.gyp:common',
'../crash_generation/crash_generation.gyp:crash_generation_client',
]
},
],
}

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// Copyright (c) 2006, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// ExceptionHandler can write a minidump file when an exception occurs,
// or when WriteMinidump() is called explicitly by your program.
//
// To have the exception handler write minidumps when an uncaught exception
// (crash) occurs, you should create an instance early in the execution
// of your program, and keep it around for the entire time you want to
// have crash handling active (typically, until shutdown).
//
// If you want to write minidumps without installing the exception handler,
// you can create an ExceptionHandler with install_handler set to false,
// then call WriteMinidump. You can also use this technique if you want to
// use different minidump callbacks for different call sites.
//
// In either case, a callback function is called when a minidump is written,
// which receives the unqiue id of the minidump. The caller can use this
// id to collect and write additional application state, and to launch an
// external crash-reporting application.
//
// It is important that creation and destruction of ExceptionHandler objects
// be nested cleanly, when using install_handler = true.
// Avoid the following pattern:
// ExceptionHandler *e = new ExceptionHandler(...);
// ExceptionHandler *f = new ExceptionHandler(...);
// delete e;
// This will put the exception filter stack into an inconsistent state.
#ifndef CLIENT_WINDOWS_HANDLER_EXCEPTION_HANDLER_H__
#define CLIENT_WINDOWS_HANDLER_EXCEPTION_HANDLER_H__
#include <stdlib.h>
#include <Windows.h>
#include <DbgHelp.h>
#include <rpc.h>
#pragma warning( push )
// Disable exception handler warnings.
#pragma warning( disable : 4530 )
#include <list>
#include <string>
#include <vector>
#include "client/windows/common/ipc_protocol.h"
#include "client/windows/crash_generation/crash_generation_client.h"
#include "common/scoped_ptr.h"
#include "google_breakpad/common/minidump_format.h"
namespace google_breakpad {
using std::vector;
using std::wstring;
// These entries store a list of memory regions that the client wants included
// in the minidump.
struct AppMemory {
ULONG64 ptr;
ULONG length;
bool operator==(const struct AppMemory& other) const {
return ptr == other.ptr;
}
bool operator==(const void* other) const {
return ptr == reinterpret_cast<ULONG64>(other);
}
};
typedef std::list<AppMemory> AppMemoryList;
class ExceptionHandler {
public:
// A callback function to run before Breakpad performs any substantial
// processing of an exception. A FilterCallback is called before writing
// a minidump. context is the parameter supplied by the user as
// callback_context when the handler was created. exinfo points to the
// exception record, if any; assertion points to assertion information,
// if any.
//
// If a FilterCallback returns true, Breakpad will continue processing,
// attempting to write a minidump. If a FilterCallback returns false,
// Breakpad will immediately report the exception as unhandled without
// writing a minidump, allowing another handler the opportunity to handle it.
typedef bool (*FilterCallback)(void* context, EXCEPTION_POINTERS* exinfo,
MDRawAssertionInfo* assertion);
// A callback function to run after the minidump has been written.
// minidump_id is a unique id for the dump, so the minidump
// file is <dump_path>\<minidump_id>.dmp. context is the parameter supplied
// by the user as callback_context when the handler was created. exinfo
// points to the exception record, or NULL if no exception occurred.
// succeeded indicates whether a minidump file was successfully written.
// assertion points to information about an assertion if the handler was
// invoked by an assertion.
//
// If an exception occurred and the callback returns true, Breakpad will treat
// the exception as fully-handled, suppressing any other handlers from being
// notified of the exception. If the callback returns false, Breakpad will
// treat the exception as unhandled, and allow another handler to handle it.
// If there are no other handlers, Breakpad will report the exception to the
// system as unhandled, allowing a debugger or native crash dialog the
// opportunity to handle the exception. Most callback implementations
// should normally return the value of |succeeded|, or when they wish to
// not report an exception of handled, false. Callbacks will rarely want to
// return true directly (unless |succeeded| is true).
//
// For out-of-process dump generation, dump path and minidump ID will always
// be NULL. In case of out-of-process dump generation, the dump path and
// minidump id are controlled by the server process and are not communicated
// back to the crashing process.
typedef bool (*MinidumpCallback)(const wchar_t* dump_path,
const wchar_t* minidump_id,
void* context,
EXCEPTION_POINTERS* exinfo,
MDRawAssertionInfo* assertion,
bool succeeded);
// HandlerType specifies which types of handlers should be installed, if
// any. Use HANDLER_NONE for an ExceptionHandler that remains idle,
// without catching any failures on its own. This type of handler may
// still be triggered by calling WriteMinidump. Otherwise, use a
// combination of the other HANDLER_ values, or HANDLER_ALL to install
// all handlers.
enum HandlerType {
HANDLER_NONE = 0,
HANDLER_EXCEPTION = 1 << 0, // SetUnhandledExceptionFilter
HANDLER_INVALID_PARAMETER = 1 << 1, // _set_invalid_parameter_handler
HANDLER_PURECALL = 1 << 2, // _set_purecall_handler
HANDLER_ALL = HANDLER_EXCEPTION |
HANDLER_INVALID_PARAMETER |
HANDLER_PURECALL
};
// Creates a new ExceptionHandler instance to handle writing minidumps.
// Before writing a minidump, the optional filter callback will be called.
// Its return value determines whether or not Breakpad should write a
// minidump. Minidump files will be written to dump_path, and the optional
// callback is called after writing the dump file, as described above.
// handler_types specifies the types of handlers that should be installed.
ExceptionHandler(const wstring& dump_path,
FilterCallback filter,
MinidumpCallback callback,
void* callback_context,
int handler_types);
// Creates a new ExceptionHandler instance that can attempt to perform
// out-of-process dump generation if pipe_name is not NULL. If pipe_name is
// NULL, or if out-of-process dump generation registration step fails,
// in-process dump generation will be used. This also allows specifying
// the dump type to generate.
ExceptionHandler(const wstring& dump_path,
FilterCallback filter,
MinidumpCallback callback,
void* callback_context,
int handler_types,
MINIDUMP_TYPE dump_type,
const wchar_t* pipe_name,
const CustomClientInfo* custom_info);
// As above, creates a new ExceptionHandler instance to perform
// out-of-process dump generation if the given pipe_handle is not NULL.
ExceptionHandler(const wstring& dump_path,
FilterCallback filter,
MinidumpCallback callback,
void* callback_context,
int handler_types,
MINIDUMP_TYPE dump_type,
HANDLE pipe_handle,
const CustomClientInfo* custom_info);
// ExceptionHandler that ENSURES out-of-process dump generation. Expects a
// crash generation client that is already registered with a crash generation
// server. Takes ownership of the passed-in crash_generation_client.
//
// Usage example:
// crash_generation_client = new CrashGenerationClient(..);
// if (crash_generation_client->Register()) {
// // Registration with the crash generation server succeeded.
// // Out-of-process dump generation is guaranteed.
// g_handler = new ExceptionHandler(.., crash_generation_client, ..);
// return true;
// }
ExceptionHandler(const wstring& dump_path,
FilterCallback filter,
MinidumpCallback callback,
void* callback_context,
int handler_types,
MINIDUMP_TYPE dump_type,
CrashGenerationClient* crash_generation_client,
const CustomClientInfo* custom_info);
~ExceptionHandler();
// Get and set the minidump path.
wstring dump_path() const { return dump_path_; }
void set_dump_path(const wstring &dump_path) {
dump_path_ = dump_path;
dump_path_c_ = dump_path_.c_str();
UpdateNextID(); // Necessary to put dump_path_ in next_minidump_path_.
}
// Requests that a previously reported crash be uploaded.
bool RequestUpload(DWORD crash_id);
// Writes a minidump immediately. This can be used to capture the
// execution state independently of a crash. Returns true on success.
bool WriteMinidump();
// Writes a minidump immediately, with the user-supplied exception
// information.
bool WriteMinidumpForException(EXCEPTION_POINTERS* exinfo);
// Convenience form of WriteMinidump which does not require an
// ExceptionHandler instance.
static bool WriteMinidump(const wstring &dump_path,
MinidumpCallback callback, void* callback_context);
// Write a minidump of |child| immediately. This can be used to
// capture the execution state of |child| independently of a crash.
// Pass a meaningful |child_blamed_thread| to make that thread in
// the child process the one from which a crash signature is
// extracted.
static bool WriteMinidumpForChild(HANDLE child,
DWORD child_blamed_thread,
const wstring& dump_path,
MinidumpCallback callback,
void* callback_context);
// Get the thread ID of the thread requesting the dump (either the exception
// thread or any other thread that called WriteMinidump directly). This
// may be useful if you want to include additional thread state in your
// dumps.
DWORD get_requesting_thread_id() const { return requesting_thread_id_; }
// Controls behavior of EXCEPTION_BREAKPOINT and EXCEPTION_SINGLE_STEP.
bool get_handle_debug_exceptions() const { return handle_debug_exceptions_; }
void set_handle_debug_exceptions(bool handle_debug_exceptions) {
handle_debug_exceptions_ = handle_debug_exceptions;
}
// Returns whether out-of-process dump generation is used or not.
bool IsOutOfProcess() const { return crash_generation_client_.get() != NULL; }
// Calling RegisterAppMemory(p, len) causes len bytes starting
// at address p to be copied to the minidump when a crash happens.
void RegisterAppMemory(void* ptr, size_t length);
void UnregisterAppMemory(void* ptr);
private:
friend class AutoExceptionHandler;
// Initializes the instance with given values.
void Initialize(const wstring& dump_path,
FilterCallback filter,
MinidumpCallback callback,
void* callback_context,
int handler_types,
MINIDUMP_TYPE dump_type,
const wchar_t* pipe_name,
HANDLE pipe_handle,
CrashGenerationClient* crash_generation_client,
const CustomClientInfo* custom_info);
// Function pointer type for MiniDumpWriteDump, which is looked up
// dynamically.
typedef BOOL (WINAPI *MiniDumpWriteDump_type)(
HANDLE hProcess,
DWORD dwPid,
HANDLE hFile,
MINIDUMP_TYPE DumpType,
CONST PMINIDUMP_EXCEPTION_INFORMATION ExceptionParam,
CONST PMINIDUMP_USER_STREAM_INFORMATION UserStreamParam,
CONST PMINIDUMP_CALLBACK_INFORMATION CallbackParam);
// Function pointer type for UuidCreate, which is looked up dynamically.
typedef RPC_STATUS (RPC_ENTRY *UuidCreate_type)(UUID* Uuid);
// Runs the main loop for the exception handler thread.
static DWORD WINAPI ExceptionHandlerThreadMain(void* lpParameter);
// Called on the exception thread when an unhandled exception occurs.
// Signals the exception handler thread to handle the exception.
static LONG WINAPI HandleException(EXCEPTION_POINTERS* exinfo);
#if _MSC_VER >= 1400 // MSVC 2005/8
// This function will be called by some CRT functions when they detect
// that they were passed an invalid parameter. Note that in _DEBUG builds,
// the CRT may display an assertion dialog before calling this function,
// and the function will not be called unless the assertion dialog is
// dismissed by clicking "Ignore."
static void HandleInvalidParameter(const wchar_t* expression,
const wchar_t* function,
const wchar_t* file,
unsigned int line,
uintptr_t reserved);
#endif // _MSC_VER >= 1400
// This function will be called by the CRT when a pure virtual
// function is called.
static void HandlePureVirtualCall();
// This is called on the exception thread or on another thread that
// the user wishes to produce a dump from. It calls
// WriteMinidumpWithException on the handler thread, avoiding stack
// overflows and inconsistent dumps due to writing the dump from
// the exception thread. If the dump is requested as a result of an
// exception, exinfo contains exception information, otherwise, it
// is NULL. If the dump is requested as a result of an assertion
// (such as an invalid parameter being passed to a CRT function),
// assertion contains data about the assertion, otherwise, it is NULL.
bool WriteMinidumpOnHandlerThread(EXCEPTION_POINTERS* exinfo,
MDRawAssertionInfo* assertion);
// This function is called on the handler thread. It calls into
// WriteMinidumpWithExceptionForProcess() with a handle to the
// current process. requesting_thread_id is the ID of the thread
// that requested the dump. If the dump is requested as a result of
// an exception, exinfo contains exception information, otherwise,
// it is NULL.
bool WriteMinidumpWithException(DWORD requesting_thread_id,
EXCEPTION_POINTERS* exinfo,
MDRawAssertionInfo* assertion);
// This function is used as a callback when calling MinidumpWriteDump,
// in order to add additional memory regions to the dump.
static BOOL CALLBACK MinidumpWriteDumpCallback(
PVOID context,
const PMINIDUMP_CALLBACK_INPUT callback_input,
PMINIDUMP_CALLBACK_OUTPUT callback_output);
// This function does the actual writing of a minidump. It is
// called on the handler thread. requesting_thread_id is the ID of
// the thread that requested the dump, if that information is
// meaningful. If the dump is requested as a result of an
// exception, exinfo contains exception information, otherwise, it
// is NULL. process is the one that will be dumped. If
// requesting_thread_id is meaningful and should be added to the
// minidump, write_requester_stream is |true|.
bool WriteMinidumpWithExceptionForProcess(DWORD requesting_thread_id,
EXCEPTION_POINTERS* exinfo,
MDRawAssertionInfo* assertion,
HANDLE process,
bool write_requester_stream);
// Generates a new ID and stores it in next_minidump_id_, and stores the
// path of the next minidump to be written in next_minidump_path_.
void UpdateNextID();
FilterCallback filter_;
MinidumpCallback callback_;
void* callback_context_;
scoped_ptr<CrashGenerationClient> crash_generation_client_;
// The directory in which a minidump will be written, set by the dump_path
// argument to the constructor, or set_dump_path.
wstring dump_path_;
// The basename of the next minidump to be written, without the extension.
wstring next_minidump_id_;
// The full pathname of the next minidump to be written, including the file
// extension.
wstring next_minidump_path_;
// Pointers to C-string representations of the above. These are set when
// the above wstring versions are set in order to avoid calling c_str during
// an exception, as c_str may attempt to allocate heap memory. These
// pointers are not owned by the ExceptionHandler object, but their lifetimes
// should be equivalent to the lifetimes of the associated wstring, provided
// that the wstrings are not altered.
const wchar_t* dump_path_c_;
const wchar_t* next_minidump_id_c_;
const wchar_t* next_minidump_path_c_;
HMODULE dbghelp_module_;
MiniDumpWriteDump_type minidump_write_dump_;
MINIDUMP_TYPE dump_type_;
HMODULE rpcrt4_module_;
UuidCreate_type uuid_create_;
// Tracks the handler types that were installed according to the
// handler_types constructor argument.
int handler_types_;
// When installed_handler_ is true, previous_filter_ is the unhandled
// exception filter that was set prior to installing ExceptionHandler as
// the unhandled exception filter and pointing it to |this|. NULL indicates
// that there is no previous unhandled exception filter.
LPTOP_LEVEL_EXCEPTION_FILTER previous_filter_;
#if _MSC_VER >= 1400 // MSVC 2005/8
// Beginning in VC 8, the CRT provides an invalid parameter handler that will
// be called when some CRT functions are passed invalid parameters. In
// earlier CRTs, the same conditions would cause unexpected behavior or
// crashes.
_invalid_parameter_handler previous_iph_;
#endif // _MSC_VER >= 1400
// The CRT allows you to override the default handler for pure
// virtual function calls.
_purecall_handler previous_pch_;
// The exception handler thread.
HANDLE handler_thread_;
// True if the exception handler is being destroyed.
// Starting with MSVC 2005, Visual C has stronger guarantees on volatile vars.
// It has release semantics on write and acquire semantics on reads.
// See the msdn documentation.
volatile bool is_shutdown_;
// The critical section enforcing the requirement that only one exception be
// handled by a handler at a time.
CRITICAL_SECTION handler_critical_section_;
// Semaphores used to move exception handling between the exception thread
// and the handler thread. handler_start_semaphore_ is signalled by the
// exception thread to wake up the handler thread when an exception occurs.
// handler_finish_semaphore_ is signalled by the handler thread to wake up
// the exception thread when handling is complete.
HANDLE handler_start_semaphore_;
HANDLE handler_finish_semaphore_;
// The next 2 fields contain data passed from the requesting thread to
// the handler thread.
// The thread ID of the thread requesting the dump (either the exception
// thread or any other thread that called WriteMinidump directly).
DWORD requesting_thread_id_;
// The exception info passed to the exception handler on the exception
// thread, if an exception occurred. NULL for user-requested dumps.
EXCEPTION_POINTERS* exception_info_;
// If the handler is invoked due to an assertion, this will contain a
// pointer to the assertion information. It is NULL at other times.
MDRawAssertionInfo* assertion_;
// The return value of the handler, passed from the handler thread back to
// the requesting thread.
bool handler_return_value_;
// If true, the handler will intercept EXCEPTION_BREAKPOINT and
// EXCEPTION_SINGLE_STEP exceptions. Leave this false (the default)
// to not interfere with debuggers.
bool handle_debug_exceptions_;
// Callers can request additional memory regions to be included in
// the dump.
AppMemoryList app_memory_info_;
// A stack of ExceptionHandler objects that have installed unhandled
// exception filters. This vector is used by HandleException to determine
// which ExceptionHandler object to route an exception to. When an
// ExceptionHandler is created with install_handler true, it will append
// itself to this list.
static vector<ExceptionHandler*>* handler_stack_;
// The index of the ExceptionHandler in handler_stack_ that will handle the
// next exception. Note that 0 means the last entry in handler_stack_, 1
// means the next-to-last entry, and so on. This is used by HandleException
// to support multiple stacked Breakpad handlers.
static LONG handler_stack_index_;
// handler_stack_critical_section_ guards operations on handler_stack_ and
// handler_stack_index_. The critical section is initialized by the
// first instance of the class and destroyed by the last instance of it.
static CRITICAL_SECTION handler_stack_critical_section_;
// The number of instances of this class.
volatile static LONG instance_count_;
// disallow copy ctor and operator=
explicit ExceptionHandler(const ExceptionHandler &);
void operator=(const ExceptionHandler &);
};
} // namespace google_breakpad
#pragma warning( pop )
#endif // CLIENT_WINDOWS_HANDLER_EXCEPTION_HANDLER_H__

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*.pyc

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# Names should be added to this file like so:
# Name or Organization <email address>
Google Inc.
Steven Knight <knight@baldmt.com>
Ryan Norton <rnorton10@gmail.com>

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# DEPS file for gclient use in buildbot execution of gyp tests.
#
# (You don't need to use gclient for normal GYP development work.)
vars = {
"chrome_trunk": "http://src.chromium.org/svn/trunk",
"googlecode_url": "http://%s.googlecode.com/svn",
}
deps = {
"scons":
Var("chrome_trunk") + "/src/third_party/scons@44099",
}
deps_os = {
"win": {
"third_party/cygwin":
Var("chrome_trunk") + "/deps/third_party/cygwin@66844",
"third_party/python_26":
Var("chrome_trunk") + "/tools/third_party/python_26@89111",
"src/third_party/pefile":
(Var("googlecode_url") % "pefile") + "/trunk@63",
},
}

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Copyright (c) 2009 Google Inc. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
* Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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setup.py
gyp
LICENSE
AUTHORS
pylib/gyp/MSVSNew.py
pylib/gyp/MSVSProject.py
pylib/gyp/MSVSToolFile.py
pylib/gyp/MSVSUserFile.py
pylib/gyp/MSVSVersion.py
pylib/gyp/SCons.py
pylib/gyp/__init__.py
pylib/gyp/common.py
pylib/gyp/input.py
pylib/gyp/xcodeproj_file.py
pylib/gyp/generator/__init__.py
pylib/gyp/generator/gypd.py
pylib/gyp/generator/gypsh.py
pylib/gyp/generator/make.py
pylib/gyp/generator/msvs.py
pylib/gyp/generator/scons.py
pylib/gyp/generator/xcode.py

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*

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# Copyright (c) 2012 Google Inc. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Top-level presubmit script for GYP.
See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts
for more details about the presubmit API built into gcl.
"""
PYLINT_BLACKLIST = [
# TODO: fix me.
# From SCons, not done in google style.
'test/lib/TestCmd.py',
'test/lib/TestCommon.py',
'test/lib/TestGyp.py',
# Needs style fix.
'pylib/gyp/generator/scons.py',
'pylib/gyp/generator/xcode.py',
]
PYLINT_DISABLED_WARNINGS = [
# TODO: fix me.
# Many tests include modules they don't use.
'W0611',
# Include order doesn't properly include local files?
'F0401',
# Some use of built-in names.
'W0622',
# Some unused variables.
'W0612',
# Operator not preceded/followed by space.
'C0323',
'C0322',
# Unnecessary semicolon.
'W0301',
# Unused argument.
'W0613',
# String has no effect (docstring in wrong place).
'W0105',
# Comma not followed by space.
'C0324',
# Access to a protected member.
'W0212',
# Bad indent.
'W0311',
# Line too long.
'C0301',
# Undefined variable.
'E0602',
# Not exception type specified.
'W0702',
# No member of that name.
'E1101',
# Dangerous default {}.
'W0102',
# Others, too many to sort.
'W0201', 'W0232', 'E1103', 'W0621', 'W0108', 'W0223', 'W0231',
'R0201', 'E0101', 'C0321',
# ************* Module copy
# W0104:427,12:_test.odict.__setitem__: Statement seems to have no effect
'W0104',
]
def CheckChangeOnUpload(input_api, output_api):
report = []
report.extend(input_api.canned_checks.PanProjectChecks(
input_api, output_api))
return report
def CheckChangeOnCommit(input_api, output_api):
report = []
license = (
r'.*? Copyright \(c\) %(year)s Google Inc\. All rights reserved\.\n'
r'.*? Use of this source code is governed by a BSD-style license that '
r'can be\n'
r'.*? found in the LICENSE file\.\n'
) % {
'year': input_api.time.strftime('%Y'),
}
report.extend(input_api.canned_checks.PanProjectChecks(
input_api, output_api, license_header=license))
report.extend(input_api.canned_checks.CheckTreeIsOpen(
input_api, output_api,
'http://gyp-status.appspot.com/status',
'http://gyp-status.appspot.com/current'))
import sys
old_sys_path = sys.path
try:
sys.path = ['pylib', 'test/lib'] + sys.path
report.extend(input_api.canned_checks.RunPylint(
input_api,
output_api,
black_list=PYLINT_BLACKLIST,
disabled_warnings=PYLINT_DISABLED_WARNINGS))
finally:
sys.path = old_sys_path
return report
def GetPreferredTrySlaves():
return ['gyp-win32', 'gyp-win64', 'gyp-linux', 'gyp-mac']

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#!/usr/bin/env python
# Copyright (c) 2012 Google Inc. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Argument-less script to select what to run on the buildbots."""
import os
import shutil
import subprocess
import sys
if sys.platform in ['win32', 'cygwin']:
EXE_SUFFIX = '.exe'
else:
EXE_SUFFIX = ''
BUILDBOT_DIR = os.path.dirname(os.path.abspath(__file__))
TRUNK_DIR = os.path.dirname(BUILDBOT_DIR)
ROOT_DIR = os.path.dirname(TRUNK_DIR)
OUT_DIR = os.path.join(TRUNK_DIR, 'out')
def GypTestFormat(title, format=None, msvs_version=None):
"""Run the gyp tests for a given format, emitting annotator tags.
See annotator docs at:
https://sites.google.com/a/chromium.org/dev/developers/testing/chromium-build-infrastructure/buildbot-annotations
Args:
format: gyp format to test.
Returns:
0 for sucesss, 1 for failure.
"""
if not format:
format = title
print '@@@BUILD_STEP ' + title + '@@@'
sys.stdout.flush()
env = os.environ.copy()
# TODO(bradnelson): remove this when this issue is resolved:
# http://code.google.com/p/chromium/issues/detail?id=108251
if format == 'ninja':
env['NOGOLD'] = '1'
if msvs_version:
env['GYP_MSVS_VERSION'] = msvs_version
retcode = subprocess.call(' '.join(
[sys.executable, 'trunk/gyptest.py',
'--all',
'--passed',
'--format', format,
'--chdir', 'trunk',
'--path', '../scons']),
cwd=ROOT_DIR, env=env, shell=True)
if retcode:
# Emit failure tag, and keep going.
print '@@@STEP_FAILURE@@@'
return 1
return 0
def GypBuild():
# Dump out/ directory.
print '@@@BUILD_STEP cleanup@@@'
print 'Removing %s...' % OUT_DIR
shutil.rmtree(OUT_DIR, ignore_errors=True)
print 'Done.'
retcode = 0
if sys.platform.startswith('linux'):
retcode += GypTestFormat('ninja')
retcode += GypTestFormat('scons')
retcode += GypTestFormat('make')
elif sys.platform == 'darwin':
retcode += GypTestFormat('ninja')
retcode += GypTestFormat('xcode')
retcode += GypTestFormat('make')
elif sys.platform == 'win32':
retcode += GypTestFormat('ninja')
retcode += GypTestFormat('msvs-2008', format='msvs', msvs_version='2008')
if os.environ['BUILDBOT_BUILDERNAME'] == 'gyp-win64':
retcode += GypTestFormat('msvs-2010', format='msvs', msvs_version='2010')
else:
raise Exception('Unknown platform')
if retcode:
# TODO(bradnelson): once the annotator supports a postscript (section for
# after the build proper that could be used for cumulative failures),
# use that instead of this. This isolates the final return value so
# that it isn't misattributed to the last stage.
print '@@@BUILD_STEP failures@@@'
sys.exit(retcode)
if __name__ == '__main__':
GypBuild()

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# This file is used by gcl to get repository specific information.
CODE_REVIEW_SERVER: codereview.chromium.org
CC_LIST: gyp-developer@googlegroups.com
VIEW_VC: http://code.google.com/p/gyp/source/detail?r=
TRY_ON_UPLOAD: True
TRYSERVER_PROJECT: gyp
TRYSERVER_PATCHLEVEL: 0
TRYSERVER_ROOT: trunk
TRYSERVER_SVN_URL: svn://svn.chromium.org/chrome-try/try-nacl

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#!/usr/bin/env python
# Copyright (c) 2009 Google Inc. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import sys
# TODO(mark): sys.path manipulation is some temporary testing stuff.
try:
import gyp
except ImportError, e:
import os.path
sys.path.append(os.path.join(os.path.dirname(sys.argv[0]), 'pylib'))
import gyp
if __name__ == '__main__':
sys.exit(gyp.main(sys.argv[1:]))

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@rem Copyright (c) 2009 Google Inc. All rights reserved.
@rem Use of this source code is governed by a BSD-style license that can be
@rem found in the LICENSE file.
@python "%~dp0/gyp" %*

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/* Copyright (c) 2009 Google Inc. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file. */
int main() {
return 0;
}

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#!/usr/bin/env python
# Copyright (c) 2012 Google Inc. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
__doc__ = """
gyptest.py -- test runner for GYP tests.
"""
import os
import optparse
import subprocess
import sys
class CommandRunner:
"""
Executor class for commands, including "commands" implemented by
Python functions.
"""
verbose = True
active = True
def __init__(self, dictionary={}):
self.subst_dictionary(dictionary)
def subst_dictionary(self, dictionary):
self._subst_dictionary = dictionary
def subst(self, string, dictionary=None):
"""
Substitutes (via the format operator) the values in the specified
dictionary into the specified command.
The command can be an (action, string) tuple. In all cases, we
perform substitution on strings and don't worry if something isn't
a string. (It's probably a Python function to be executed.)
"""
if dictionary is None:
dictionary = self._subst_dictionary
if dictionary:
try:
string = string % dictionary
except TypeError:
pass
return string
def display(self, command, stdout=None, stderr=None):
if not self.verbose:
return
if type(command) == type(()):
func = command[0]
args = command[1:]
s = '%s(%s)' % (func.__name__, ', '.join(map(repr, args)))
if type(command) == type([]):
# TODO: quote arguments containing spaces
# TODO: handle meta characters?
s = ' '.join(command)
else:
s = self.subst(command)
if not s.endswith('\n'):
s += '\n'
sys.stdout.write(s)
sys.stdout.flush()
def execute(self, command, stdout=None, stderr=None):
"""
Executes a single command.
"""
if not self.active:
return 0
if type(command) == type(''):
command = self.subst(command)
cmdargs = shlex.split(command)
if cmdargs[0] == 'cd':
command = (os.chdir,) + tuple(cmdargs[1:])
if type(command) == type(()):
func = command[0]
args = command[1:]
return func(*args)
else:
if stdout is sys.stdout:
# Same as passing sys.stdout, except python2.4 doesn't fail on it.
subout = None
else:
# Open pipe for anything else so Popen works on python2.4.
subout = subprocess.PIPE
if stderr is sys.stderr:
# Same as passing sys.stderr, except python2.4 doesn't fail on it.
suberr = None
elif stderr is None:
# Merge with stdout if stderr isn't specified.
suberr = subprocess.STDOUT
else:
# Open pipe for anything else so Popen works on python2.4.
suberr = subprocess.PIPE
p = subprocess.Popen(command,
shell=(sys.platform == 'win32'),
stdout=subout,
stderr=suberr)
p.wait()
if stdout is None:
self.stdout = p.stdout.read()
elif stdout is not sys.stdout:
stdout.write(p.stdout.read())
if stderr not in (None, sys.stderr):
stderr.write(p.stderr.read())
return p.returncode
def run(self, command, display=None, stdout=None, stderr=None):
"""
Runs a single command, displaying it first.
"""
if display is None:
display = command
self.display(display)
return self.execute(command, stdout, stderr)
class Unbuffered:
def __init__(self, fp):
self.fp = fp
def write(self, arg):
self.fp.write(arg)
self.fp.flush()
def __getattr__(self, attr):
return getattr(self.fp, attr)
sys.stdout = Unbuffered(sys.stdout)
sys.stderr = Unbuffered(sys.stderr)
def find_all_gyptest_files(directory):
result = []
for root, dirs, files in os.walk(directory):
if '.svn' in dirs:
dirs.remove('.svn')
result.extend([ os.path.join(root, f) for f in files
if f.startswith('gyptest') and f.endswith('.py') ])
result.sort()
return result
def main(argv=None):
if argv is None:
argv = sys.argv
usage = "gyptest.py [-ahlnq] [-f formats] [test ...]"
parser = optparse.OptionParser(usage=usage)
parser.add_option("-a", "--all", action="store_true",
help="run all tests")
parser.add_option("-C", "--chdir", action="store", default=None,
help="chdir to the specified directory")
parser.add_option("-f", "--format", action="store", default='',
help="run tests with the specified formats")
parser.add_option("-G", '--gyp_option', action="append", default=[],
help="Add -G options to the gyp command line")
parser.add_option("-l", "--list", action="store_true",
help="list available tests and exit")
parser.add_option("-n", "--no-exec", action="store_true",
help="no execute, just print the command line")
parser.add_option("--passed", action="store_true",
help="report passed tests")
parser.add_option("--path", action="append", default=[],
help="additional $PATH directory")
parser.add_option("-q", "--quiet", action="store_true",
help="quiet, don't print test command lines")
opts, args = parser.parse_args(argv[1:])
if opts.chdir:
os.chdir(opts.chdir)
if opts.path:
os.environ['PATH'] += ':' + ':'.join(opts.path)
if not args:
if not opts.all:
sys.stderr.write('Specify -a to get all tests.\n')
return 1
args = ['test']
tests = []
for arg in args:
if os.path.isdir(arg):
tests.extend(find_all_gyptest_files(os.path.normpath(arg)))
else:
tests.append(arg)
if opts.list:
for test in tests:
print test
sys.exit(0)
CommandRunner.verbose = not opts.quiet
CommandRunner.active = not opts.no_exec
cr = CommandRunner()
os.environ['PYTHONPATH'] = os.path.abspath('test/lib')
if not opts.quiet:
sys.stdout.write('PYTHONPATH=%s\n' % os.environ['PYTHONPATH'])
passed = []
failed = []
no_result = []
if opts.format:
format_list = opts.format.split(',')
else:
# TODO: not duplicate this mapping from pylib/gyp/__init__.py
format_list = {
'freebsd7': ['make'],
'freebsd8': ['make'],
'cygwin': ['msvs'],
'win32': ['msvs', 'ninja'],
'linux2': ['make', 'ninja'],
'linux3': ['make', 'ninja'],
'darwin': ['make', 'ninja', 'xcode'],
}[sys.platform]
for format in format_list:
os.environ['TESTGYP_FORMAT'] = format
if not opts.quiet:
sys.stdout.write('TESTGYP_FORMAT=%s\n' % format)
gyp_options = []
for option in opts.gyp_option:
gyp_options += ['-G', option]
if gyp_options and not opts.quiet:
sys.stdout.write('Extra Gyp options: %s\n' % gyp_options)
for test in tests:
status = cr.run([sys.executable, test] + gyp_options,
stdout=sys.stdout,
stderr=sys.stderr)
if status == 2:
no_result.append(test)
elif status:
failed.append(test)
else:
passed.append(test)
if not opts.quiet:
def report(description, tests):
if tests:
if len(tests) == 1:
sys.stdout.write("\n%s the following test:\n" % description)
else:
fmt = "\n%s the following %d tests:\n"
sys.stdout.write(fmt % (description, len(tests)))
sys.stdout.write("\t" + "\n\t".join(tests) + "\n")
if opts.passed:
report("Passed", passed)
report("Failed", failed)
report("No result from", no_result)
if failed:
return 1
else:
return 0
if __name__ == "__main__":
sys.exit(main())

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# Copyright (c) 2012 Google Inc. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""New implementation of Visual Studio project generation for SCons."""
import os
import random
import gyp.common
# hashlib is supplied as of Python 2.5 as the replacement interface for md5
# and other secure hashes. In 2.6, md5 is deprecated. Import hashlib if
# available, avoiding a deprecation warning under 2.6. Import md5 otherwise,
# preserving 2.4 compatibility.
try:
import hashlib
_new_md5 = hashlib.md5
except ImportError:
import md5
_new_md5 = md5.new
# Initialize random number generator
random.seed()
# GUIDs for project types
ENTRY_TYPE_GUIDS = {
'project': '{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}',
'folder': '{2150E333-8FDC-42A3-9474-1A3956D46DE8}',
}
#------------------------------------------------------------------------------
# Helper functions
def MakeGuid(name, seed='msvs_new'):
"""Returns a GUID for the specified target name.
Args:
name: Target name.
seed: Seed for MD5 hash.
Returns:
A GUID-line string calculated from the name and seed.
This generates something which looks like a GUID, but depends only on the
name and seed. This means the same name/seed will always generate the same
GUID, so that projects and solutions which refer to each other can explicitly
determine the GUID to refer to explicitly. It also means that the GUID will
not change when the project for a target is rebuilt.
"""
# Calculate a MD5 signature for the seed and name.
d = _new_md5(str(seed) + str(name)).hexdigest().upper()
# Convert most of the signature to GUID form (discard the rest)
guid = ('{' + d[:8] + '-' + d[8:12] + '-' + d[12:16] + '-' + d[16:20]
+ '-' + d[20:32] + '}')
return guid
#------------------------------------------------------------------------------
class MSVSFolder(object):
"""Folder in a Visual Studio project or solution."""
def __init__(self, path, name = None, entries = None,
guid = None, items = None):
"""Initializes the folder.
Args:
path: Full path to the folder.
name: Name of the folder.
entries: List of folder entries to nest inside this folder. May contain
Folder or Project objects. May be None, if the folder is empty.
guid: GUID to use for folder, if not None.
items: List of solution items to include in the folder project. May be
None, if the folder does not directly contain items.
"""
if name:
self.name = name
else:
# Use last layer.
self.name = os.path.basename(path)
self.path = path
self.guid = guid
# Copy passed lists (or set to empty lists)
self.entries = list(entries or [])
self.items = list(items or [])
self.entry_type_guid = ENTRY_TYPE_GUIDS['folder']
def get_guid(self):
if self.guid is None:
# Use consistent guids for folders (so things don't regenerate).
self.guid = MakeGuid(self.path, seed='msvs_folder')
return self.guid
#------------------------------------------------------------------------------
class MSVSProject(object):
"""Visual Studio project."""
def __init__(self, path, name = None, dependencies = None, guid = None,
spec = None, build_file = None, config_platform_overrides = None,
fixpath_prefix = None):
"""Initializes the project.
Args:
path: Absolute path to the project file.
name: Name of project. If None, the name will be the same as the base
name of the project file.
dependencies: List of other Project objects this project is dependent
upon, if not None.
guid: GUID to use for project, if not None.
spec: Dictionary specifying how to build this project.
build_file: Filename of the .gyp file that the vcproj file comes from.
config_platform_overrides: optional dict of configuration platforms to
used in place of the default for this target.
fixpath_prefix: the path used to adjust the behavior of _fixpath
"""
self.path = path
self.guid = guid
self.spec = spec
self.build_file = build_file
# Use project filename if name not specified
self.name = name or os.path.splitext(os.path.basename(path))[0]
# Copy passed lists (or set to empty lists)
self.dependencies = list(dependencies or [])
self.entry_type_guid = ENTRY_TYPE_GUIDS['project']
if config_platform_overrides:
self.config_platform_overrides = config_platform_overrides
else:
self.config_platform_overrides = {}
self.fixpath_prefix = fixpath_prefix
self.msbuild_toolset = None
def set_dependencies(self, dependencies):
self.dependencies = list(dependencies or [])
def get_guid(self):
if self.guid is None:
# Set GUID from path
# TODO(rspangler): This is fragile.
# 1. We can't just use the project filename sans path, since there could
# be multiple projects with the same base name (for example,
# foo/unittest.vcproj and bar/unittest.vcproj).
# 2. The path needs to be relative to $SOURCE_ROOT, so that the project
# GUID is the same whether it's included from base/base.sln or
# foo/bar/baz/baz.sln.
# 3. The GUID needs to be the same each time this builder is invoked, so
# that we don't need to rebuild the solution when the project changes.
# 4. We should be able to handle pre-built project files by reading the
# GUID from the files.
self.guid = MakeGuid(self.name)
return self.guid
def set_msbuild_toolset(self, msbuild_toolset):
self.msbuild_toolset = msbuild_toolset
#------------------------------------------------------------------------------
class MSVSSolution:
"""Visual Studio solution."""
def __init__(self, path, version, entries=None, variants=None,
websiteProperties=True):
"""Initializes the solution.
Args:
path: Path to solution file.
version: Format version to emit.
entries: List of entries in solution. May contain Folder or Project
objects. May be None, if the folder is empty.
variants: List of build variant strings. If none, a default list will
be used.
websiteProperties: Flag to decide if the website properties section
is generated.
"""
self.path = path
self.websiteProperties = websiteProperties
self.version = version
# Copy passed lists (or set to empty lists)
self.entries = list(entries or [])
if variants:
# Copy passed list
self.variants = variants[:]
else:
# Use default
self.variants = ['Debug|Win32', 'Release|Win32']
# TODO(rspangler): Need to be able to handle a mapping of solution config
# to project config. Should we be able to handle variants being a dict,
# or add a separate variant_map variable? If it's a dict, we can't
# guarantee the order of variants since dict keys aren't ordered.
# TODO(rspangler): Automatically write to disk for now; should delay until
# node-evaluation time.
self.Write()
def Write(self, writer=gyp.common.WriteOnDiff):
"""Writes the solution file to disk.
Raises:
IndexError: An entry appears multiple times.
"""
# Walk the entry tree and collect all the folders and projects.
all_entries = set()
entries_to_check = self.entries[:]
while entries_to_check:
e = entries_to_check.pop(0)
# If this entry has been visited, nothing to do.
if e in all_entries:
continue
all_entries.add(e)
# If this is a folder, check its entries too.
if isinstance(e, MSVSFolder):
entries_to_check += e.entries
# Sort by name then guid (so things are in order on vs2008).
def NameThenGuid(a, b):
if a.name < b.name: return -1
if a.name > b.name: return 1
if a.get_guid() < b.get_guid(): return -1
if a.get_guid() > b.get_guid(): return 1
return 0
all_entries = sorted(all_entries, NameThenGuid)
# Open file and print header
f = writer(self.path)
f.write('Microsoft Visual Studio Solution File, '
'Format Version %s\r\n' % self.version.SolutionVersion())
f.write('# %s\r\n' % self.version.Description())
# Project entries
sln_root = os.path.split(self.path)[0]
for e in all_entries:
relative_path = gyp.common.RelativePath(e.path, sln_root)
# msbuild does not accept an empty folder_name.
# use '.' in case relative_path is empty.
folder_name = relative_path.replace('/', '\\') or '.'
f.write('Project("%s") = "%s", "%s", "%s"\r\n' % (
e.entry_type_guid, # Entry type GUID
e.name, # Folder name
folder_name, # Folder name (again)
e.get_guid(), # Entry GUID
))
# TODO(rspangler): Need a way to configure this stuff
if self.websiteProperties:
f.write('\tProjectSection(WebsiteProperties) = preProject\r\n'
'\t\tDebug.AspNetCompiler.Debug = "True"\r\n'
'\t\tRelease.AspNetCompiler.Debug = "False"\r\n'
'\tEndProjectSection\r\n')
if isinstance(e, MSVSFolder):
if e.items:
f.write('\tProjectSection(SolutionItems) = preProject\r\n')
for i in e.items:
f.write('\t\t%s = %s\r\n' % (i, i))
f.write('\tEndProjectSection\r\n')
if isinstance(e, MSVSProject):
if e.dependencies:
f.write('\tProjectSection(ProjectDependencies) = postProject\r\n')
for d in e.dependencies:
f.write('\t\t%s = %s\r\n' % (d.get_guid(), d.get_guid()))
f.write('\tEndProjectSection\r\n')
f.write('EndProject\r\n')
# Global section
f.write('Global\r\n')
# Configurations (variants)
f.write('\tGlobalSection(SolutionConfigurationPlatforms) = preSolution\r\n')
for v in self.variants:
f.write('\t\t%s = %s\r\n' % (v, v))
f.write('\tEndGlobalSection\r\n')
# Sort config guids for easier diffing of solution changes.
config_guids = []
config_guids_overrides = {}
for e in all_entries:
if isinstance(e, MSVSProject):
config_guids.append(e.get_guid())
config_guids_overrides[e.get_guid()] = e.config_platform_overrides
config_guids.sort()
f.write('\tGlobalSection(ProjectConfigurationPlatforms) = postSolution\r\n')
for g in config_guids:
for v in self.variants:
nv = config_guids_overrides[g].get(v, v)
# Pick which project configuration to build for this solution
# configuration.
f.write('\t\t%s.%s.ActiveCfg = %s\r\n' % (
g, # Project GUID
v, # Solution build configuration
nv, # Project build config for that solution config
))
# Enable project in this solution configuration.
f.write('\t\t%s.%s.Build.0 = %s\r\n' % (
g, # Project GUID
v, # Solution build configuration
nv, # Project build config for that solution config
))
f.write('\tEndGlobalSection\r\n')
# TODO(rspangler): Should be able to configure this stuff too (though I've
# never seen this be any different)
f.write('\tGlobalSection(SolutionProperties) = preSolution\r\n')
f.write('\t\tHideSolutionNode = FALSE\r\n')
f.write('\tEndGlobalSection\r\n')
# Folder mappings
# TODO(rspangler): Should omit this section if there are no folders
f.write('\tGlobalSection(NestedProjects) = preSolution\r\n')
for e in all_entries:
if not isinstance(e, MSVSFolder):
continue # Does not apply to projects, only folders
for subentry in e.entries:
f.write('\t\t%s = %s\r\n' % (subentry.get_guid(), e.get_guid()))
f.write('\tEndGlobalSection\r\n')
f.write('EndGlobal\r\n')
f.close()

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# Copyright (c) 2012 Google Inc. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Visual Studio project reader/writer."""
import gyp.common
import gyp.easy_xml as easy_xml
#------------------------------------------------------------------------------
class Tool(object):
"""Visual Studio tool."""
def __init__(self, name, attrs=None):
"""Initializes the tool.
Args:
name: Tool name.
attrs: Dict of tool attributes; may be None.
"""
self._attrs = attrs or {}
self._attrs['Name'] = name
def _GetSpecification(self):
"""Creates an element for the tool.
Returns:
A new xml.dom.Element for the tool.
"""
return ['Tool', self._attrs]
class Filter(object):
"""Visual Studio filter - that is, a virtual folder."""
def __init__(self, name, contents=None):
"""Initializes the folder.
Args:
name: Filter (folder) name.
contents: List of filenames and/or Filter objects contained.
"""
self.name = name
self.contents = list(contents or [])
#------------------------------------------------------------------------------
class Writer(object):
"""Visual Studio XML project writer."""
def __init__(self, project_path, version, name, guid=None, platforms=None):
"""Initializes the project.
Args:
project_path: Path to the project file.
version: Format version to emit.
name: Name of the project.
guid: GUID to use for project, if not None.
platforms: Array of string, the supported platforms. If null, ['Win32']
"""
self.project_path = project_path
self.version = version
self.name = name
self.guid = guid
# Default to Win32 for platforms.
if not platforms:
platforms = ['Win32']
# Initialize the specifications of the various sections.
self.platform_section = ['Platforms']
for platform in platforms:
self.platform_section.append(['Platform', {'Name': platform}])
self.tool_files_section = ['ToolFiles']
self.configurations_section = ['Configurations']
self.files_section = ['Files']
# Keep a dict keyed on filename to speed up access.
self.files_dict = dict()
def AddToolFile(self, path):
"""Adds a tool file to the project.
Args:
path: Relative path from project to tool file.
"""
self.tool_files_section.append(['ToolFile', {'RelativePath': path}])
def _GetSpecForConfiguration(self, config_type, config_name, attrs, tools):
"""Returns the specification for a configuration.
Args:
config_type: Type of configuration node.
config_name: Configuration name.
attrs: Dict of configuration attributes; may be None.
tools: List of tools (strings or Tool objects); may be None.
Returns:
"""
# Handle defaults
if not attrs:
attrs = {}
if not tools:
tools = []
# Add configuration node and its attributes
node_attrs = attrs.copy()
node_attrs['Name'] = config_name
specification = [config_type, node_attrs]
# Add tool nodes and their attributes
if tools:
for t in tools:
if isinstance(t, Tool):
specification.append(t._GetSpecification())
else:
specification.append(Tool(t)._GetSpecification())
return specification
def AddConfig(self, name, attrs=None, tools=None):
"""Adds a configuration to the project.
Args:
name: Configuration name.
attrs: Dict of configuration attributes; may be None.
tools: List of tools (strings or Tool objects); may be None.
"""
spec = self._GetSpecForConfiguration('Configuration', name, attrs, tools)
self.configurations_section.append(spec)
def _AddFilesToNode(self, parent, files):
"""Adds files and/or filters to the parent node.
Args:
parent: Destination node
files: A list of Filter objects and/or relative paths to files.
Will call itself recursively, if the files list contains Filter objects.
"""
for f in files:
if isinstance(f, Filter):
node = ['Filter', {'Name': f.name}]
self._AddFilesToNode(node, f.contents)
else:
node = ['File', {'RelativePath': f}]
self.files_dict[f] = node
parent.append(node)
def AddFiles(self, files):
"""Adds files to the project.
Args:
files: A list of Filter objects and/or relative paths to files.
This makes a copy of the file/filter tree at the time of this call. If you
later add files to a Filter object which was passed into a previous call
to AddFiles(), it will not be reflected in this project.
"""
self._AddFilesToNode(self.files_section, files)
# TODO(rspangler) This also doesn't handle adding files to an existing
# filter. That is, it doesn't merge the trees.
def AddFileConfig(self, path, config, attrs=None, tools=None):
"""Adds a configuration to a file.
Args:
path: Relative path to the file.
config: Name of configuration to add.
attrs: Dict of configuration attributes; may be None.
tools: List of tools (strings or Tool objects); may be None.
Raises:
ValueError: Relative path does not match any file added via AddFiles().
"""
# Find the file node with the right relative path
parent = self.files_dict.get(path)
if not parent:
raise ValueError('AddFileConfig: file "%s" not in project.' % path)
# Add the config to the file node
spec = self._GetSpecForConfiguration('FileConfiguration', config, attrs,
tools)
parent.append(spec)
def WriteIfChanged(self):
"""Writes the project file."""
# First create XML content definition
content = [
'VisualStudioProject',
{'ProjectType': 'Visual C++',
'Version': self.version.ProjectVersion(),
'Name': self.name,
'ProjectGUID': self.guid,
'RootNamespace': self.name,
'Keyword': 'Win32Proj'
},
self.platform_section,
self.tool_files_section,
self.configurations_section,
['References'], # empty section
self.files_section,
['Globals'] # empty section
]
easy_xml.WriteXmlIfChanged(content, self.project_path,
encoding="Windows-1252")

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# Copyright (c) 2012 Google Inc. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Visual Studio project reader/writer."""
import gyp.common
import gyp.easy_xml as easy_xml
class Writer(object):
"""Visual Studio XML tool file writer."""
def __init__(self, tool_file_path, name):
"""Initializes the tool file.
Args:
tool_file_path: Path to the tool file.
name: Name of the tool file.
"""
self.tool_file_path = tool_file_path
self.name = name
self.rules_section = ['Rules']
def AddCustomBuildRule(self, name, cmd, description,
additional_dependencies,
outputs, extensions):
"""Adds a rule to the tool file.
Args:
name: Name of the rule.
description: Description of the rule.
cmd: Command line of the rule.
additional_dependencies: other files which may trigger the rule.
outputs: outputs of the rule.
extensions: extensions handled by the rule.
"""
rule = ['CustomBuildRule',
{'Name': name,
'ExecutionDescription': description,
'CommandLine': cmd,
'Outputs': ';'.join(outputs),
'FileExtensions': ';'.join(extensions),
'AdditionalDependencies':
';'.join(additional_dependencies)
}]
self.rules_section.append(rule)
def WriteIfChanged(self):
"""Writes the tool file."""
content = ['VisualStudioToolFile',
{'Version': '8.00',
'Name': self.name
},
self.rules_section
]
easy_xml.WriteXmlIfChanged(content, self.tool_file_path,
encoding="Windows-1252")

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# Copyright (c) 2012 Google Inc. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Visual Studio user preferences file writer."""
import os
import re
import socket # for gethostname
import gyp.common
import gyp.easy_xml as easy_xml
#------------------------------------------------------------------------------
def _FindCommandInPath(command):
"""If there are no slashes in the command given, this function
searches the PATH env to find the given command, and converts it
to an absolute path. We have to do this because MSVS is looking
for an actual file to launch a debugger on, not just a command
line. Note that this happens at GYP time, so anything needing to
be built needs to have a full path."""
if '/' in command or '\\' in command:
# If the command already has path elements (either relative or
# absolute), then assume it is constructed properly.
return command
else:
# Search through the path list and find an existing file that
# we can access.
paths = os.environ.get('PATH','').split(os.pathsep)
for path in paths:
item = os.path.join(path, command)
if os.path.isfile(item) and os.access(item, os.X_OK):
return item
return command
def _QuoteWin32CommandLineArgs(args):
new_args = []
for arg in args:
# Replace all double-quotes with double-double-quotes to escape
# them for cmd shell, and then quote the whole thing if there
# are any.
if arg.find('"') != -1:
arg = '""'.join(arg.split('"'))
arg = '"%s"' % arg
# Otherwise, if there are any spaces, quote the whole arg.
elif re.search(r'[ \t\n]', arg):
arg = '"%s"' % arg
new_args.append(arg)
return new_args
class Writer(object):
"""Visual Studio XML user user file writer."""
def __init__(self, user_file_path, version, name):
"""Initializes the user file.
Args:
user_file_path: Path to the user file.
version: Version info.
name: Name of the user file.
"""
self.user_file_path = user_file_path
self.version = version
self.name = name
self.configurations = {}
def AddConfig(self, name):
"""Adds a configuration to the project.
Args:
name: Configuration name.
"""
self.configurations[name] = ['Configuration', {'Name': name}]
def AddDebugSettings(self, config_name, command, environment = {},
working_directory=""):
"""Adds a DebugSettings node to the user file for a particular config.
Args:
command: command line to run. First element in the list is the
executable. All elements of the command will be quoted if
necessary.
working_directory: other files which may trigger the rule. (optional)
"""
command = _QuoteWin32CommandLineArgs(command)
abs_command = _FindCommandInPath(command[0])
if environment and isinstance(environment, dict):
env_list = ['%s="%s"' % (key, val)
for (key,val) in environment.iteritems()]
environment = ' '.join(env_list)
else:
environment = ''
n_cmd = ['DebugSettings',
{'Command': abs_command,
'WorkingDirectory': working_directory,
'CommandArguments': " ".join(command[1:]),
'RemoteMachine': socket.gethostname(),
'Environment': environment,
'EnvironmentMerge': 'true',
# Currently these are all "dummy" values that we're just setting
# in the default manner that MSVS does it. We could use some of
# these to add additional capabilities, I suppose, but they might
# not have parity with other platforms then.
'Attach': 'false',
'DebuggerType': '3', # 'auto' debugger
'Remote': '1',
'RemoteCommand': '',
'HttpUrl': '',
'PDBPath': '',
'SQLDebugging': '',
'DebuggerFlavor': '0',
'MPIRunCommand': '',
'MPIRunArguments': '',
'MPIRunWorkingDirectory': '',
'ApplicationCommand': '',
'ApplicationArguments': '',
'ShimCommand': '',
'MPIAcceptMode': '',
'MPIAcceptFilter': ''
}]
# Find the config, and add it if it doesn't exist.
if config_name not in self.configurations:
self.AddConfig(config_name)
# Add the DebugSettings onto the appropriate config.
self.configurations[config_name].append(n_cmd)
def WriteIfChanged(self):
"""Writes the user file."""
configs = ['Configurations']
for config, spec in sorted(self.configurations.iteritems()):
configs.append(spec)
content = ['VisualStudioUserFile',
{'Version': self.version.ProjectVersion(),
'Name': self.name
},
configs]
easy_xml.WriteXmlIfChanged(content, self.user_file_path,
encoding="Windows-1252")

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# Copyright (c) 2012 Google Inc. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Handle version information related to Visual Stuio."""
import errno
import os
import re
import subprocess
import sys
class VisualStudioVersion(object):
"""Information regarding a version of Visual Studio."""
def __init__(self, short_name, description,
solution_version, project_version, flat_sln, uses_vcxproj,
path, sdk_based):
self.short_name = short_name
self.description = description
self.solution_version = solution_version
self.project_version = project_version
self.flat_sln = flat_sln
self.uses_vcxproj = uses_vcxproj
self.path = path
self.sdk_based = sdk_based
def ShortName(self):
return self.short_name
def Description(self):
"""Get the full description of the version."""
return self.description
def SolutionVersion(self):
"""Get the version number of the sln files."""
return self.solution_version
def ProjectVersion(self):
"""Get the version number of the vcproj or vcxproj files."""
return self.project_version
def FlatSolution(self):
return self.flat_sln
def UsesVcxproj(self):
"""Returns true if this version uses a vcxproj file."""
return self.uses_vcxproj
def ProjectExtension(self):
"""Returns the file extension for the project."""
return self.uses_vcxproj and '.vcxproj' or '.vcproj'
def Path(self):
"""Returns the path to Visual Studio installation."""
return self.path
def ToolPath(self, tool):
"""Returns the path to a given compiler tool. """
return os.path.normpath(os.path.join(self.path, "VC/bin", tool))
def SetupScript(self, target_arch):
"""Returns a command (with arguments) to be used to set up the
environment."""
# Check if we are running in the SDK command line environment and use
# the setup script from the SDK if so. |target_arch| should be either
# 'x86' or 'x64'.
assert target_arch in ('x86', 'x64')
sdk_dir = os.environ.get('WindowsSDKDir')
if self.sdk_based and sdk_dir:
return [os.path.normpath(os.path.join(sdk_dir, 'Bin/SetEnv.Cmd')),
'/' + target_arch]
else:
# We don't use VC/vcvarsall.bat for x86 because vcvarsall calls
# vcvars32, which it can only find if VS??COMNTOOLS is set, which it
# isn't always.
if target_arch == 'x86':
return [os.path.normpath(
os.path.join(self.path, 'Common7/Tools/vsvars32.bat'))]
else:
assert target_arch == 'x64'
arg = 'x86_amd64'
if (os.environ.get('PROCESSOR_ARCHITECTURE') == 'AMD64' or
os.environ.get('PROCESSOR_ARCHITEW6432') == 'AMD64'):
# Use the 64-on-64 compiler if we can.
arg = 'amd64'
return [os.path.normpath(
os.path.join(self.path, 'VC/vcvarsall.bat')), arg]
def _RegistryQueryBase(sysdir, key, value):
"""Use reg.exe to read a particular key.
While ideally we might use the win32 module, we would like gyp to be
python neutral, so for instance cygwin python lacks this module.
Arguments:
sysdir: The system subdirectory to attempt to launch reg.exe from.
key: The registry key to read from.
value: The particular value to read.
Return:
stdout from reg.exe, or None for failure.
"""
# Skip if not on Windows or Python Win32 setup issue
if sys.platform not in ('win32', 'cygwin'):
return None
# Setup params to pass to and attempt to launch reg.exe
cmd = [os.path.join(os.environ.get('WINDIR', ''), sysdir, 'reg.exe'),
'query', key]
if value:
cmd.extend(['/v', value])
p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
# Obtain the stdout from reg.exe, reading to the end so p.returncode is valid
# Note that the error text may be in [1] in some cases
text = p.communicate()[0]
# Check return code from reg.exe; officially 0==success and 1==error
if p.returncode:
return None
return text
def _RegistryQuery(key, value=None):
"""Use reg.exe to read a particular key through _RegistryQueryBase.
First tries to launch from %WinDir%\Sysnative to avoid WoW64 redirection. If
that fails, it falls back to System32. Sysnative is available on Vista and
up and available on Windows Server 2003 and XP through KB patch 942589. Note
that Sysnative will always fail if using 64-bit python due to it being a
virtual directory and System32 will work correctly in the first place.
KB 942589 - http://support.microsoft.com/kb/942589/en-us.
Arguments:
key: The registry key.
value: The particular registry value to read (optional).
Return:
stdout from reg.exe, or None for failure.
"""
text = None
try:
text = _RegistryQueryBase('Sysnative', key, value)
except OSError, e:
if e.errno == errno.ENOENT:
text = _RegistryQueryBase('System32', key, value)
else:
raise
return text
def _RegistryGetValue(key, value):
"""Use reg.exe to obtain the value of a registry key.
Args:
key: The registry key.
value: The particular registry value to read.
Return:
contents of the registry key's value, or None on failure.
"""
text = _RegistryQuery(key, value)
if not text:
return None
# Extract value.
match = re.search(r'REG_\w+\s+([^\r]+)\r\n', text)
if not match:
return None
return match.group(1)
def _RegistryKeyExists(key):
"""Use reg.exe to see if a key exists.
Args:
key: The registry key to check.
Return:
True if the key exists
"""
if not _RegistryQuery(key):
return False
return True
def _CreateVersion(name, path, sdk_based=False):
"""Sets up MSVS project generation.
Setup is based off the GYP_MSVS_VERSION environment variable or whatever is
autodetected if GYP_MSVS_VERSION is not explicitly specified. If a version is
passed in that doesn't match a value in versions python will throw a error.
"""
versions = {
'2010': VisualStudioVersion('2010',
'Visual Studio 2010',
solution_version='11.00',
project_version='4.0',
flat_sln=False,
uses_vcxproj=True,
path=path,
sdk_based=sdk_based),
'2010e': VisualStudioVersion('2010e',
'Visual Studio 2010',
solution_version='11.00',
project_version='4.0',
flat_sln=True,
uses_vcxproj=True,
path=path,
sdk_based=sdk_based),
'2008': VisualStudioVersion('2008',
'Visual Studio 2008',
solution_version='10.00',
project_version='9.00',
flat_sln=False,
uses_vcxproj=False,
path=path,
sdk_based=sdk_based),
'2008e': VisualStudioVersion('2008e',
'Visual Studio 2008',
solution_version='10.00',
project_version='9.00',
flat_sln=True,
uses_vcxproj=False,
path=path,
sdk_based=sdk_based),
'2005': VisualStudioVersion('2005',
'Visual Studio 2005',
solution_version='9.00',
project_version='8.00',
flat_sln=False,
uses_vcxproj=False,
path=path,
sdk_based=sdk_based),
'2005e': VisualStudioVersion('2005e',
'Visual Studio 2005',
solution_version='9.00',
project_version='8.00',
flat_sln=True,
uses_vcxproj=False,
path=path,
sdk_based=sdk_based),
}
return versions[str(name)]
def _DetectVisualStudioVersions(versions_to_check, force_express):
"""Collect the list of installed visual studio versions.
Returns:
A list of visual studio versions installed in descending order of
usage preference.
Base this on the registry and a quick check if devenv.exe exists.
Only versions 8-10 are considered.
Possibilities are:
2005(e) - Visual Studio 2005 (8)
2008(e) - Visual Studio 2008 (9)
2010(e) - Visual Studio 2010 (10)
Where (e) is e for express editions of MSVS and blank otherwise.
"""
version_to_year = {'8.0': '2005', '9.0': '2008', '10.0': '2010'}
versions = []
for version in versions_to_check:
# Old method of searching for which VS version is installed
# We don't use the 2010-encouraged-way because we also want to get the
# path to the binaries, which it doesn't offer.
keys = [r'HKLM\Software\Microsoft\VisualStudio\%s' % version,
r'HKLM\Software\Wow6432Node\Microsoft\VisualStudio\%s' % version,
r'HKLM\Software\Microsoft\VCExpress\%s' % version,
r'HKLM\Software\Wow6432Node\Microsoft\VCExpress\%s' % version]
for index in range(len(keys)):
path = _RegistryGetValue(keys[index], 'InstallDir')
if not path:
continue
# Check for full.
full_path = os.path.join(path, 'devenv.exe')
express_path = os.path.join(path, 'vcexpress.exe')
if not force_express and os.path.exists(full_path):
# Add this one.
versions.append(_CreateVersion(version_to_year[version],
os.path.join(path, '..', '..')))
# Check for express.
elif os.path.exists(express_path):
# Add this one.
versions.append(_CreateVersion(version_to_year[version] + 'e',
os.path.join(path, '..', '..')))
# The old method above does not work when only SDK is installed.
keys = [r'HKLM\Software\Microsoft\VisualStudio\SxS\VC7',
r'HKLM\Software\Wow6432Node\Microsoft\VisualStudio\SxS\VC7']
for index in range(len(keys)):
path = _RegistryGetValue(keys[index], version)
if not path:
continue
versions.append(_CreateVersion(version_to_year[version] + 'e',
os.path.join(path, '..'), sdk_based=True))
return versions
def SelectVisualStudioVersion(version='auto'):
"""Select which version of Visual Studio projects to generate.
Arguments:
version: Hook to allow caller to force a particular version (vs auto).
Returns:
An object representing a visual studio project format version.
"""
# In auto mode, check environment variable for override.
if version == 'auto':
version = os.environ.get('GYP_MSVS_VERSION', 'auto')
version_map = {
'auto': ('10.0', '9.0', '8.0'),
'2005': ('8.0',),
'2005e': ('8.0',),
'2008': ('9.0',),
'2008e': ('9.0',),
'2010': ('10.0',),
'2010e': ('10.0',),
}
version = str(version)
versions = _DetectVisualStudioVersions(version_map[version], 'e' in version)
if not versions:
if version == 'auto':
# Default to 2005 if we couldn't find anything
return _CreateVersion('2005', None)
else:
return _CreateVersion(version, None)
return versions[0]

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# Copyright (c) 2012 Google Inc. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""
SCons generator.
This contains class definitions and supporting functions for generating
pieces of SCons files for the different types of GYP targets.
"""
import os
def WriteList(fp, list, prefix='',
separator=',\n ',
preamble=None,
postamble=None):
fp.write(preamble or '')
fp.write((separator or ' ').join([prefix + l for l in list]))
fp.write(postamble or '')
class TargetBase(object):
"""
Base class for a SCons representation of a GYP target.
"""
is_ignored = False
target_prefix = ''
target_suffix = ''
def __init__(self, spec):
self.spec = spec
def full_product_name(self):
"""
Returns the full name of the product being built:
* Uses 'product_name' if it's set, else prefix + 'target_name'.
* Prepends 'product_dir' if set.
* Appends SCons suffix variables for the target type (or
product_extension).
"""
suffix = self.target_suffix
product_extension = self.spec.get('product_extension')
if product_extension:
suffix = '.' + product_extension
prefix = self.spec.get('product_prefix', self.target_prefix)
name = self.spec['target_name']
name = prefix + self.spec.get('product_name', name) + suffix
product_dir = self.spec.get('product_dir')
if product_dir:
name = os.path.join(product_dir, name)
else:
name = os.path.join(self.out_dir, name)
return name
def write_input_files(self, fp):
"""
Writes the definition of the input files (sources).
"""
sources = self.spec.get('sources')
if not sources:
fp.write('\ninput_files = []\n')
return
preamble = '\ninput_files = [\n '
postamble = ',\n]\n'
WriteList(fp, map(repr, sources), preamble=preamble, postamble=postamble)
def builder_call(self):
"""
Returns the actual SCons builder call to build this target.
"""
name = self.full_product_name()
return 'env.%s(env.File(%r), input_files)' % (self.builder_name, name)
def write_target(self, fp, src_dir='', pre=''):
"""
Writes the lines necessary to build this target.
"""
fp.write('\n' + pre)
fp.write('_outputs = %s\n' % self.builder_call())
fp.write('target_files.extend(_outputs)\n')
class NoneTarget(TargetBase):
"""
A GYP target type of 'none', implicitly or explicitly.
"""
def write_target(self, fp, src_dir='', pre=''):
fp.write('\ntarget_files.extend(input_files)\n')
class SettingsTarget(TargetBase):
"""
A GYP target type of 'settings'.
"""
is_ignored = True
compilable_sources_template = """
_result = []
for infile in input_files:
if env.compilable(infile):
if (type(infile) == type('')
and (infile.startswith(%(src_dir)r)
or not os.path.isabs(env.subst(infile)))):
# Force files below the build directory by replacing all '..'
# elements in the path with '__':
base, ext = os.path.splitext(os.path.normpath(infile))
base = [d == '..' and '__' or d for d in base.split('/')]
base = os.path.join(*base)
object = '${OBJ_DIR}/${COMPONENT_NAME}/${TARGET_NAME}/' + base
if not infile.startswith(%(src_dir)r):
infile = %(src_dir)r + infile
infile = env.%(name)s(object, infile)[0]
else:
infile = env.%(name)s(infile)[0]
_result.append(infile)
input_files = _result
"""
class CompilableSourcesTargetBase(TargetBase):
"""
An abstract base class for targets that compile their source files.
We explicitly transform compilable files into object files,
even though SCons could infer that for us, because we want
to control where the object file ends up. (The implicit rules
in SCons always put the object file next to the source file.)
"""
intermediate_builder_name = None
def write_target(self, fp, src_dir='', pre=''):
if self.intermediate_builder_name is None:
raise NotImplementedError
if src_dir and not src_dir.endswith('/'):
src_dir += '/'
variables = {
'src_dir': src_dir,
'name': self.intermediate_builder_name,
}
fp.write(compilable_sources_template % variables)
super(CompilableSourcesTargetBase, self).write_target(fp)
class ProgramTarget(CompilableSourcesTargetBase):
"""
A GYP target type of 'executable'.
"""
builder_name = 'GypProgram'
intermediate_builder_name = 'StaticObject'
target_prefix = '${PROGPREFIX}'
target_suffix = '${PROGSUFFIX}'
out_dir = '${TOP_BUILDDIR}'
class StaticLibraryTarget(CompilableSourcesTargetBase):
"""
A GYP target type of 'static_library'.
"""
builder_name = 'GypStaticLibrary'
intermediate_builder_name = 'StaticObject'
target_prefix = '${LIBPREFIX}'
target_suffix = '${LIBSUFFIX}'
out_dir = '${LIB_DIR}'
class SharedLibraryTarget(CompilableSourcesTargetBase):
"""
A GYP target type of 'shared_library'.
"""
builder_name = 'GypSharedLibrary'
intermediate_builder_name = 'SharedObject'
target_prefix = '${SHLIBPREFIX}'
target_suffix = '${SHLIBSUFFIX}'
out_dir = '${LIB_DIR}'
class LoadableModuleTarget(CompilableSourcesTargetBase):
"""
A GYP target type of 'loadable_module'.
"""
builder_name = 'GypLoadableModule'
intermediate_builder_name = 'SharedObject'
target_prefix = '${SHLIBPREFIX}'
target_suffix = '${SHLIBSUFFIX}'
out_dir = '${TOP_BUILDDIR}'
TargetMap = {
None : NoneTarget,
'none' : NoneTarget,
'settings' : SettingsTarget,
'executable' : ProgramTarget,
'static_library' : StaticLibraryTarget,
'shared_library' : SharedLibraryTarget,
'loadable_module' : LoadableModuleTarget,
}
def Target(spec):
return TargetMap[spec.get('type')](spec)

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#!/usr/bin/env python
# Copyright (c) 2012 Google Inc. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import copy
import gyp.input
import optparse
import os.path
import re
import shlex
import sys
import traceback
# Default debug modes for GYP
debug = {}
# List of "official" debug modes, but you can use anything you like.
DEBUG_GENERAL = 'general'
DEBUG_VARIABLES = 'variables'
DEBUG_INCLUDES = 'includes'
def DebugOutput(mode, message):
if 'all' in gyp.debug.keys() or mode in gyp.debug.keys():
ctx = ('unknown', 0, 'unknown')
try:
f = traceback.extract_stack(limit=2)
if f:
ctx = f[0][:3]
except:
pass
print '%s:%s:%d:%s %s' % (mode.upper(), os.path.basename(ctx[0]),
ctx[1], ctx[2], message)
def FindBuildFiles():
extension = '.gyp'
files = os.listdir(os.getcwd())
build_files = []
for file in files:
if file.endswith(extension):
build_files.append(file)
return build_files
class GypError(Exception):
"""Error class representing an error, which is to be presented
to the user. The main entry point will catch and display this.
"""
pass
def Load(build_files, format, default_variables={},
includes=[], depth='.', params=None, check=False, circular_check=True):
"""
Loads one or more specified build files.
default_variables and includes will be copied before use.
Returns the generator for the specified format and the
data returned by loading the specified build files.
"""
if params is None:
params = {}
flavor = None
if '-' in format:
format, params['flavor'] = format.split('-', 1)
default_variables = copy.copy(default_variables)
# Default variables provided by this program and its modules should be
# named WITH_CAPITAL_LETTERS to provide a distinct "best practice" namespace,
# avoiding collisions with user and automatic variables.
default_variables['GENERATOR'] = format
# Format can be a custom python file, or by default the name of a module
# within gyp.generator.
if format.endswith('.py'):
generator_name = os.path.splitext(format)[0]
path, generator_name = os.path.split(generator_name)
# Make sure the path to the custom generator is in sys.path
# Don't worry about removing it once we are done. Keeping the path
# to each generator that is used in sys.path is likely harmless and
# arguably a good idea.
path = os.path.abspath(path)
if path not in sys.path:
sys.path.insert(0, path)
else:
generator_name = 'gyp.generator.' + format
# These parameters are passed in order (as opposed to by key)
# because ActivePython cannot handle key parameters to __import__.
generator = __import__(generator_name, globals(), locals(), generator_name)
for (key, val) in generator.generator_default_variables.items():
default_variables.setdefault(key, val)
# Give the generator the opportunity to set additional variables based on
# the params it will receive in the output phase.
if getattr(generator, 'CalculateVariables', None):
generator.CalculateVariables(default_variables, params)
# Give the generator the opportunity to set generator_input_info based on
# the params it will receive in the output phase.
if getattr(generator, 'CalculateGeneratorInputInfo', None):
generator.CalculateGeneratorInputInfo(params)
# Fetch the generator specific info that gets fed to input, we use getattr
# so we can default things and the generators only have to provide what
# they need.
generator_input_info = {
'generator_wants_absolute_build_file_paths':
getattr(generator, 'generator_wants_absolute_build_file_paths', False),
'generator_handles_variants':
getattr(generator, 'generator_handles_variants', False),
'non_configuration_keys':
getattr(generator, 'generator_additional_non_configuration_keys', []),
'path_sections':
getattr(generator, 'generator_additional_path_sections', []),
'extra_sources_for_rules':
getattr(generator, 'generator_extra_sources_for_rules', []),
'generator_supports_multiple_toolsets':
getattr(generator, 'generator_supports_multiple_toolsets', False),
'generator_wants_static_library_dependencies_adjusted':
getattr(generator,
'generator_wants_static_library_dependencies_adjusted', True),
'generator_wants_sorted_dependencies':
getattr(generator, 'generator_wants_sorted_dependencies', False),
}
# Process the input specific to this generator.
result = gyp.input.Load(build_files, default_variables, includes[:],
depth, generator_input_info, check, circular_check)
return [generator] + result
def NameValueListToDict(name_value_list):
"""
Takes an array of strings of the form 'NAME=VALUE' and creates a dictionary
of the pairs. If a string is simply NAME, then the value in the dictionary
is set to True. If VALUE can be converted to an integer, it is.
"""
result = { }
for item in name_value_list:
tokens = item.split('=', 1)
if len(tokens) == 2:
# If we can make it an int, use that, otherwise, use the string.
try:
token_value = int(tokens[1])
except ValueError:
token_value = tokens[1]
# Set the variable to the supplied value.
result[tokens[0]] = token_value
else:
# No value supplied, treat it as a boolean and set it.
result[tokens[0]] = True
return result
def ShlexEnv(env_name):
flags = os.environ.get(env_name, [])
if flags:
flags = shlex.split(flags)
return flags
def FormatOpt(opt, value):
if opt.startswith('--'):
return '%s=%s' % (opt, value)
return opt + value
def RegenerateAppendFlag(flag, values, predicate, env_name, options):
"""Regenerate a list of command line flags, for an option of action='append'.
The |env_name|, if given, is checked in the environment and used to generate
an initial list of options, then the options that were specified on the
command line (given in |values|) are appended. This matches the handling of
environment variables and command line flags where command line flags override
the environment, while not requiring the environment to be set when the flags
are used again.
"""
flags = []
if options.use_environment and env_name:
for flag_value in ShlexEnv(env_name):
value = FormatOpt(flag, predicate(flag_value))
if value in flags:
flags.remove(value)
flags.append(value)
if values:
for flag_value in values:
flags.append(FormatOpt(flag, predicate(flag_value)))
return flags
def RegenerateFlags(options):
"""Given a parsed options object, and taking the environment variables into
account, returns a list of flags that should regenerate an equivalent options
object (even in the absence of the environment variables.)
Any path options will be normalized relative to depth.
The format flag is not included, as it is assumed the calling generator will
set that as appropriate.
"""
def FixPath(path):
path = gyp.common.FixIfRelativePath(path, options.depth)
if not path:
return os.path.curdir
return path
def Noop(value):
return value
# We always want to ignore the environment when regenerating, to avoid
# duplicate or changed flags in the environment at the time of regeneration.
flags = ['--ignore-environment']
for name, metadata in options._regeneration_metadata.iteritems():
opt = metadata['opt']
value = getattr(options, name)
value_predicate = metadata['type'] == 'path' and FixPath or Noop
action = metadata['action']
env_name = metadata['env_name']
if action == 'append':
flags.extend(RegenerateAppendFlag(opt, value, value_predicate,
env_name, options))
elif action in ('store', None): # None is a synonym for 'store'.
if value:
flags.append(FormatOpt(opt, value_predicate(value)))
elif options.use_environment and env_name and os.environ.get(env_name):
flags.append(FormatOpt(opt, value_predicate(os.environ.get(env_name))))
elif action in ('store_true', 'store_false'):
if ((action == 'store_true' and value) or
(action == 'store_false' and not value)):
flags.append(opt)
elif options.use_environment and env_name:
print >>sys.stderr, ('Warning: environment regeneration unimplemented '
'for %s flag %r env_name %r' % (action, opt,
env_name))
else:
print >>sys.stderr, ('Warning: regeneration unimplemented for action %r '
'flag %r' % (action, opt))
return flags
class RegeneratableOptionParser(optparse.OptionParser):
def __init__(self):
self.__regeneratable_options = {}
optparse.OptionParser.__init__(self)
def add_option(self, *args, **kw):
"""Add an option to the parser.
This accepts the same arguments as OptionParser.add_option, plus the
following:
regenerate: can be set to False to prevent this option from being included
in regeneration.
env_name: name of environment variable that additional values for this
option come from.
type: adds type='path', to tell the regenerator that the values of
this option need to be made relative to options.depth
"""
env_name = kw.pop('env_name', None)
if 'dest' in kw and kw.pop('regenerate', True):
dest = kw['dest']
# The path type is needed for regenerating, for optparse we can just treat
# it as a string.
type = kw.get('type')
if type == 'path':
kw['type'] = 'string'
self.__regeneratable_options[dest] = {
'action': kw.get('action'),
'type': type,
'env_name': env_name,
'opt': args[0],
}
optparse.OptionParser.add_option(self, *args, **kw)
def parse_args(self, *args):
values, args = optparse.OptionParser.parse_args(self, *args)
values._regeneration_metadata = self.__regeneratable_options
return values, args
def gyp_main(args):
my_name = os.path.basename(sys.argv[0])
parser = RegeneratableOptionParser()
usage = 'usage: %s [options ...] [build_file ...]'
parser.set_usage(usage.replace('%s', '%prog'))
parser.add_option('-D', dest='defines', action='append', metavar='VAR=VAL',
env_name='GYP_DEFINES',
help='sets variable VAR to value VAL')
parser.add_option('-f', '--format', dest='formats', action='append',
env_name='GYP_GENERATORS', regenerate=False,
help='output formats to generate')
parser.add_option('--msvs-version', dest='msvs_version',
regenerate=False,
help='Deprecated; use -G msvs_version=MSVS_VERSION instead')
parser.add_option('-I', '--include', dest='includes', action='append',
metavar='INCLUDE', type='path',
help='files to include in all loaded .gyp files')
parser.add_option('--depth', dest='depth', metavar='PATH', type='path',
help='set DEPTH gyp variable to a relative path to PATH')
parser.add_option('-d', '--debug', dest='debug', metavar='DEBUGMODE',
action='append', default=[], help='turn on a debugging '
'mode for debugging GYP. Supported modes are "variables", '
'"includes" and "general" or "all" for all of them.')
parser.add_option('-S', '--suffix', dest='suffix', default='',
help='suffix to add to generated files')
parser.add_option('-G', dest='generator_flags', action='append', default=[],
metavar='FLAG=VAL', env_name='GYP_GENERATOR_FLAGS',
help='sets generator flag FLAG to VAL')
parser.add_option('--generator-output', dest='generator_output',
action='store', default=None, metavar='DIR', type='path',
env_name='GYP_GENERATOR_OUTPUT',
help='puts generated build files under DIR')
parser.add_option('--ignore-environment', dest='use_environment',
action='store_false', default=True, regenerate=False,
help='do not read options from environment variables')
parser.add_option('--check', dest='check', action='store_true',
help='check format of gyp files')
parser.add_option('--toplevel-dir', dest='toplevel_dir', action='store',
default=None, metavar='DIR', type='path',
help='directory to use as the root of the source tree')
# --no-circular-check disables the check for circular relationships between
# .gyp files. These relationships should not exist, but they've only been
# observed to be harmful with the Xcode generator. Chromium's .gyp files
# currently have some circular relationships on non-Mac platforms, so this
# option allows the strict behavior to be used on Macs and the lenient
# behavior to be used elsewhere.
# TODO(mark): Remove this option when http://crbug.com/35878 is fixed.
parser.add_option('--no-circular-check', dest='circular_check',
action='store_false', default=True, regenerate=False,
help="don't check for circular relationships between files")
# We read a few things from ~/.gyp, so set up a var for that.
home_vars = ['HOME']
if sys.platform in ('cygwin', 'win32'):
home_vars.append('USERPROFILE')
home = None
home_dot_gyp = None
for home_var in home_vars:
home = os.getenv(home_var)
if home != None:
home_dot_gyp = os.path.join(home, '.gyp')
if not os.path.exists(home_dot_gyp):
home_dot_gyp = None
else:
break
# TODO(thomasvl): add support for ~/.gyp/defaults
options, build_files_arg = parser.parse_args(args)
build_files = build_files_arg
if not options.formats:
# If no format was given on the command line, then check the env variable.
generate_formats = []
if options.use_environment:
generate_formats = os.environ.get('GYP_GENERATORS', [])
if generate_formats:
generate_formats = re.split('[\s,]', generate_formats)
if generate_formats:
options.formats = generate_formats
else:
# Nothing in the variable, default based on platform.
if sys.platform == 'darwin':
options.formats = ['xcode']
elif sys.platform in ('win32', 'cygwin'):
options.formats = ['msvs']
else:
options.formats = ['make']
if not options.generator_output and options.use_environment:
g_o = os.environ.get('GYP_GENERATOR_OUTPUT')
if g_o:
options.generator_output = g_o
for mode in options.debug:
gyp.debug[mode] = 1
# Do an extra check to avoid work when we're not debugging.
if DEBUG_GENERAL in gyp.debug.keys():
DebugOutput(DEBUG_GENERAL, 'running with these options:')
for option, value in sorted(options.__dict__.items()):
if option[0] == '_':
continue
if isinstance(value, basestring):
DebugOutput(DEBUG_GENERAL, " %s: '%s'" % (option, value))
else:
DebugOutput(DEBUG_GENERAL, " %s: %s" % (option, str(value)))
if not build_files:
build_files = FindBuildFiles()
if not build_files:
raise GypError((usage + '\n\n%s: error: no build_file') %
(my_name, my_name))
# TODO(mark): Chromium-specific hack!
# For Chromium, the gyp "depth" variable should always be a relative path
# to Chromium's top-level "src" directory. If no depth variable was set
# on the command line, try to find a "src" directory by looking at the
# absolute path to each build file's directory. The first "src" component
# found will be treated as though it were the path used for --depth.
if not options.depth:
for build_file in build_files:
build_file_dir = os.path.abspath(os.path.dirname(build_file))
build_file_dir_components = build_file_dir.split(os.path.sep)
components_len = len(build_file_dir_components)
for index in xrange(components_len - 1, -1, -1):
if build_file_dir_components[index] == 'src':
options.depth = os.path.sep.join(build_file_dir_components)
break
del build_file_dir_components[index]
# If the inner loop found something, break without advancing to another
# build file.
if options.depth:
break
if not options.depth:
raise GypError('Could not automatically locate src directory. This is'
'a temporary Chromium feature that will be removed. Use'
'--depth as a workaround.')
# If toplevel-dir is not set, we assume that depth is the root of our source
# tree.
if not options.toplevel_dir:
options.toplevel_dir = options.depth
# -D on the command line sets variable defaults - D isn't just for define,
# it's for default. Perhaps there should be a way to force (-F?) a
# variable's value so that it can't be overridden by anything else.
cmdline_default_variables = {}
defines = []
if options.use_environment:
defines += ShlexEnv('GYP_DEFINES')
if options.defines:
defines += options.defines
cmdline_default_variables = NameValueListToDict(defines)
if DEBUG_GENERAL in gyp.debug.keys():
DebugOutput(DEBUG_GENERAL,
"cmdline_default_variables: %s" % cmdline_default_variables)
# Set up includes.
includes = []
# If ~/.gyp/include.gypi exists, it'll be forcibly included into every
# .gyp file that's loaded, before anything else is included.
if home_dot_gyp != None:
default_include = os.path.join(home_dot_gyp, 'include.gypi')
if os.path.exists(default_include):
print 'Using overrides found in ' + default_include
includes.append(default_include)
# Command-line --include files come after the default include.
if options.includes:
includes.extend(options.includes)
# Generator flags should be prefixed with the target generator since they
# are global across all generator runs.
gen_flags = []
if options.use_environment:
gen_flags += ShlexEnv('GYP_GENERATOR_FLAGS')
if options.generator_flags:
gen_flags += options.generator_flags
generator_flags = NameValueListToDict(gen_flags)
if DEBUG_GENERAL in gyp.debug.keys():
DebugOutput(DEBUG_GENERAL, "generator_flags: %s" % generator_flags)
# TODO: Remove this and the option after we've gotten folks to move to the
# generator flag.
if options.msvs_version:
print >>sys.stderr, \
'DEPRECATED: Use generator flag (-G msvs_version=' + \
options.msvs_version + ') instead of --msvs-version=' + \
options.msvs_version
generator_flags['msvs_version'] = options.msvs_version
# Generate all requested formats (use a set in case we got one format request
# twice)
for format in set(options.formats):
params = {'options': options,
'build_files': build_files,
'generator_flags': generator_flags,
'cwd': os.getcwd(),
'build_files_arg': build_files_arg,
'gyp_binary': sys.argv[0],
'home_dot_gyp': home_dot_gyp}
# Start with the default variables from the command line.
[generator, flat_list, targets, data] = Load(build_files, format,
cmdline_default_variables,
includes, options.depth,
params, options.check,
options.circular_check)
# TODO(mark): Pass |data| for now because the generator needs a list of
# build files that came in. In the future, maybe it should just accept
# a list, and not the whole data dict.
# NOTE: flat_list is the flattened dependency graph specifying the order
# that targets may be built. Build systems that operate serially or that
# need to have dependencies defined before dependents reference them should
# generate targets in the order specified in flat_list.
generator.GenerateOutput(flat_list, targets, data, params)
# Done
return 0
def main(args):
try:
return gyp_main(args)
except GypError, e:
sys.stderr.write("gyp: %s\n" % e)
return 1
if __name__ == '__main__':
sys.exit(main(sys.argv[1:]))

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@ -0,0 +1,461 @@
# Copyright (c) 2012 Google Inc. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
from __future__ import with_statement
import errno
import filecmp
import os.path
import re
import tempfile
import sys
# A minimal memoizing decorator. It'll blow up if the args aren't immutable,
# among other "problems".
class memoize(object):
def __init__(self, func):
self.func = func
self.cache = {}
def __call__(self, *args):
try:
return self.cache[args]
except KeyError:
result = self.func(*args)
self.cache[args] = result
return result
def ExceptionAppend(e, msg):
"""Append a message to the given exception's message."""
if not e.args:
e.args = (msg,)
elif len(e.args) == 1:
e.args = (str(e.args[0]) + ' ' + msg,)
else:
e.args = (str(e.args[0]) + ' ' + msg,) + e.args[1:]
def ParseQualifiedTarget(target):
# Splits a qualified target into a build file, target name and toolset.
# NOTE: rsplit is used to disambiguate the Windows drive letter separator.
target_split = target.rsplit(':', 1)
if len(target_split) == 2:
[build_file, target] = target_split
else:
build_file = None
target_split = target.rsplit('#', 1)
if len(target_split) == 2:
[target, toolset] = target_split
else:
toolset = None
return [build_file, target, toolset]
def ResolveTarget(build_file, target, toolset):
# This function resolves a target into a canonical form:
# - a fully defined build file, either absolute or relative to the current
# directory
# - a target name
# - a toolset
#
# build_file is the file relative to which 'target' is defined.
# target is the qualified target.
# toolset is the default toolset for that target.
[parsed_build_file, target, parsed_toolset] = ParseQualifiedTarget(target)
if parsed_build_file:
if build_file:
# If a relative path, parsed_build_file is relative to the directory
# containing build_file. If build_file is not in the current directory,
# parsed_build_file is not a usable path as-is. Resolve it by
# interpreting it as relative to build_file. If parsed_build_file is
# absolute, it is usable as a path regardless of the current directory,
# and os.path.join will return it as-is.
build_file = os.path.normpath(os.path.join(os.path.dirname(build_file),
parsed_build_file))
# Further (to handle cases like ../cwd), make it relative to cwd)
if not os.path.isabs(build_file):
build_file = RelativePath(build_file, '.')
else:
build_file = parsed_build_file
if parsed_toolset:
toolset = parsed_toolset
return [build_file, target, toolset]
def BuildFile(fully_qualified_target):
# Extracts the build file from the fully qualified target.
return ParseQualifiedTarget(fully_qualified_target)[0]
def GetEnvironFallback(var_list, default):
"""Look up a key in the environment, with fallback to secondary keys
and finally falling back to a default value."""
for var in var_list:
if var in os.environ:
return os.environ[var]
return default
def QualifiedTarget(build_file, target, toolset):
# "Qualified" means the file that a target was defined in and the target
# name, separated by a colon, suffixed by a # and the toolset name:
# /path/to/file.gyp:target_name#toolset
fully_qualified = build_file + ':' + target
if toolset:
fully_qualified = fully_qualified + '#' + toolset
return fully_qualified
@memoize
def RelativePath(path, relative_to):
# Assuming both |path| and |relative_to| are relative to the current
# directory, returns a relative path that identifies path relative to
# relative_to.
# Convert to absolute (and therefore normalized paths).
path = os.path.abspath(path)
relative_to = os.path.abspath(relative_to)
# Split the paths into components.
path_split = path.split(os.path.sep)
relative_to_split = relative_to.split(os.path.sep)
# Determine how much of the prefix the two paths share.
prefix_len = len(os.path.commonprefix([path_split, relative_to_split]))
# Put enough ".." components to back up out of relative_to to the common
# prefix, and then append the part of path_split after the common prefix.
relative_split = [os.path.pardir] * (len(relative_to_split) - prefix_len) + \
path_split[prefix_len:]
if len(relative_split) == 0:
# The paths were the same.
return ''
# Turn it back into a string and we're done.
return os.path.join(*relative_split)
def FixIfRelativePath(path, relative_to):
# Like RelativePath but returns |path| unchanged if it is absolute.
if os.path.isabs(path):
return path
return RelativePath(path, relative_to)
def UnrelativePath(path, relative_to):
# Assuming that |relative_to| is relative to the current directory, and |path|
# is a path relative to the dirname of |relative_to|, returns a path that
# identifies |path| relative to the current directory.
rel_dir = os.path.dirname(relative_to)
return os.path.normpath(os.path.join(rel_dir, path))
# re objects used by EncodePOSIXShellArgument. See IEEE 1003.1 XCU.2.2 at
# http://www.opengroup.org/onlinepubs/009695399/utilities/xcu_chap02.html#tag_02_02
# and the documentation for various shells.
# _quote is a pattern that should match any argument that needs to be quoted
# with double-quotes by EncodePOSIXShellArgument. It matches the following
# characters appearing anywhere in an argument:
# \t, \n, space parameter separators
# # comments
# $ expansions (quoted to always expand within one argument)
# % called out by IEEE 1003.1 XCU.2.2
# & job control
# ' quoting
# (, ) subshell execution
# *, ?, [ pathname expansion
# ; command delimiter
# <, >, | redirection
# = assignment
# {, } brace expansion (bash)
# ~ tilde expansion
# It also matches the empty string, because "" (or '') is the only way to
# represent an empty string literal argument to a POSIX shell.
#
# This does not match the characters in _escape, because those need to be
# backslash-escaped regardless of whether they appear in a double-quoted
# string.
_quote = re.compile('[\t\n #$%&\'()*;<=>?[{|}~]|^$')
# _escape is a pattern that should match any character that needs to be
# escaped with a backslash, whether or not the argument matched the _quote
# pattern. _escape is used with re.sub to backslash anything in _escape's
# first match group, hence the (parentheses) in the regular expression.
#
# _escape matches the following characters appearing anywhere in an argument:
# " to prevent POSIX shells from interpreting this character for quoting
# \ to prevent POSIX shells from interpreting this character for escaping
# ` to prevent POSIX shells from interpreting this character for command
# substitution
# Missing from this list is $, because the desired behavior of
# EncodePOSIXShellArgument is to permit parameter (variable) expansion.
#
# Also missing from this list is !, which bash will interpret as the history
# expansion character when history is enabled. bash does not enable history
# by default in non-interactive shells, so this is not thought to be a problem.
# ! was omitted from this list because bash interprets "\!" as a literal string
# including the backslash character (avoiding history expansion but retaining
# the backslash), which would not be correct for argument encoding. Handling
# this case properly would also be problematic because bash allows the history
# character to be changed with the histchars shell variable. Fortunately,
# as history is not enabled in non-interactive shells and
# EncodePOSIXShellArgument is only expected to encode for non-interactive
# shells, there is no room for error here by ignoring !.
_escape = re.compile(r'(["\\`])')
def EncodePOSIXShellArgument(argument):
"""Encodes |argument| suitably for consumption by POSIX shells.
argument may be quoted and escaped as necessary to ensure that POSIX shells
treat the returned value as a literal representing the argument passed to
this function. Parameter (variable) expansions beginning with $ are allowed
to remain intact without escaping the $, to allow the argument to contain
references to variables to be expanded by the shell.
"""
if not isinstance(argument, str):
argument = str(argument)
if _quote.search(argument):
quote = '"'
else:
quote = ''
encoded = quote + re.sub(_escape, r'\\\1', argument) + quote
return encoded
def EncodePOSIXShellList(list):
"""Encodes |list| suitably for consumption by POSIX shells.
Returns EncodePOSIXShellArgument for each item in list, and joins them
together using the space character as an argument separator.
"""
encoded_arguments = []
for argument in list:
encoded_arguments.append(EncodePOSIXShellArgument(argument))
return ' '.join(encoded_arguments)
def DeepDependencyTargets(target_dicts, roots):
"""Returns the recursive list of target dependencies."""
dependencies = set()
pending = set(roots)
while pending:
# Pluck out one.
r = pending.pop()
# Skip if visited already.
if r in dependencies:
continue
# Add it.
dependencies.add(r)
# Add its children.
spec = target_dicts[r]
pending.update(set(spec.get('dependencies', [])))
pending.update(set(spec.get('dependencies_original', [])))
return list(dependencies - set(roots))
def BuildFileTargets(target_list, build_file):
"""From a target_list, returns the subset from the specified build_file.
"""
return [p for p in target_list if BuildFile(p) == build_file]
def AllTargets(target_list, target_dicts, build_file):
"""Returns all targets (direct and dependencies) for the specified build_file.
"""
bftargets = BuildFileTargets(target_list, build_file)
deptargets = DeepDependencyTargets(target_dicts, bftargets)
return bftargets + deptargets
def WriteOnDiff(filename):
"""Write to a file only if the new contents differ.
Arguments:
filename: name of the file to potentially write to.
Returns:
A file like object which will write to temporary file and only overwrite
the target if it differs (on close).
"""
class Writer:
"""Wrapper around file which only covers the target if it differs."""
def __init__(self):
# Pick temporary file.
tmp_fd, self.tmp_path = tempfile.mkstemp(
suffix='.tmp',
prefix=os.path.split(filename)[1] + '.gyp.',
dir=os.path.split(filename)[0])
try:
self.tmp_file = os.fdopen(tmp_fd, 'wb')
except Exception:
# Don't leave turds behind.
os.unlink(self.tmp_path)
raise
def __getattr__(self, attrname):
# Delegate everything else to self.tmp_file
return getattr(self.tmp_file, attrname)
def close(self):
try:
# Close tmp file.
self.tmp_file.close()
# Determine if different.
same = False
try:
same = filecmp.cmp(self.tmp_path, filename, False)
except OSError, e:
if e.errno != errno.ENOENT:
raise
if same:
# The new file is identical to the old one, just get rid of the new
# one.
os.unlink(self.tmp_path)
else:
# The new file is different from the old one, or there is no old one.
# Rename the new file to the permanent name.
#
# tempfile.mkstemp uses an overly restrictive mode, resulting in a
# file that can only be read by the owner, regardless of the umask.
# There's no reason to not respect the umask here, which means that
# an extra hoop is required to fetch it and reset the new file's mode.
#
# No way to get the umask without setting a new one? Set a safe one
# and then set it back to the old value.
umask = os.umask(077)
os.umask(umask)
os.chmod(self.tmp_path, 0666 & ~umask)
if sys.platform == 'win32' and os.path.exists(filename):
# NOTE: on windows (but not cygwin) rename will not replace an
# existing file, so it must be preceded with a remove. Sadly there
# is no way to make the switch atomic.
os.remove(filename)
os.rename(self.tmp_path, filename)
except Exception:
# Don't leave turds behind.
os.unlink(self.tmp_path)
raise
return Writer()
def GetFlavor(params):
"""Returns |params.flavor| if it's set, the system's default flavor else."""
flavors = {
'cygwin': 'win',
'win32': 'win',
'darwin': 'mac',
'sunos5': 'solaris',
'freebsd7': 'freebsd',
'freebsd8': 'freebsd',
'freebsd9': 'freebsd',
}
flavor = flavors.get(sys.platform, 'linux')
return params.get('flavor', flavor)
def CopyTool(flavor, out_path):
"""Finds (mac|sun|win)_tool.gyp in the gyp directory and copies it
to |out_path|."""
prefix = { 'solaris': 'sun', 'mac': 'mac', 'win': 'win' }.get(flavor, None)
if not prefix:
return
# Slurp input file.
source_path = os.path.join(
os.path.dirname(os.path.abspath(__file__)), '%s_tool.py' % prefix)
with open(source_path) as source_file:
source = source_file.readlines()
# Add header and write it out.
tool_path = os.path.join(out_path, 'gyp-%s-tool' % prefix)
with open(tool_path, 'w') as tool_file:
tool_file.write(
''.join([source[0], '# Generated by gyp. Do not edit.\n'] + source[1:]))
# Make file executable.
os.chmod(tool_path, 0755)
# From Alex Martelli,
# http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/52560
# ASPN: Python Cookbook: Remove duplicates from a sequence
# First comment, dated 2001/10/13.
# (Also in the printed Python Cookbook.)
def uniquer(seq, idfun=None):
if idfun is None:
idfun = lambda x: x
seen = {}
result = []
for item in seq:
marker = idfun(item)
if marker in seen: continue
seen[marker] = 1
result.append(item)
return result
class CycleError(Exception):
"""An exception raised when an unexpected cycle is detected."""
def __init__(self, nodes):
self.nodes = nodes
def __str__(self):
return 'CycleError: cycle involving: ' + str(self.nodes)
def TopologicallySorted(graph, get_edges):
"""Topologically sort based on a user provided edge definition.
Args:
graph: A list of node names.
get_edges: A function mapping from node name to a hashable collection
of node names which this node has outgoing edges to.
Returns:
A list containing all of the node in graph in topological order.
It is assumed that calling get_edges once for each node and caching is
cheaper than repeatedly calling get_edges.
Raises:
CycleError in the event of a cycle.
Example:
graph = {'a': '$(b) $(c)', 'b': 'hi', 'c': '$(b)'}
def GetEdges(node):
return re.findall(r'\$\(([^))]\)', graph[node])
print TopologicallySorted(graph.keys(), GetEdges)
==>
['a', 'c', b']
"""
get_edges = memoize(get_edges)
visited = set()
visiting = set()
ordered_nodes = []
def Visit(node):
if node in visiting:
raise CycleError(visiting)
if node in visited:
return
visited.add(node)
visiting.add(node)
for neighbor in get_edges(node):
Visit(neighbor)
visiting.remove(node)
ordered_nodes.insert(0, node)
for node in sorted(graph):
Visit(node)
return ordered_nodes

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#!/usr/bin/env python
# Copyright (c) 2012 Google Inc. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Unit tests for the common.py file."""
import gyp.common
import unittest
class TestTopologicallySorted(unittest.TestCase):
def test_Valid(self):
"""Test that sorting works on a valid graph with one possible order."""
graph = {
'a': ['b', 'c'],
'b': [],
'c': ['d'],
'd': ['b'],
}
def GetEdge(node):
return tuple(graph[node])
self.assertEqual(
gyp.common.TopologicallySorted(graph.keys(), GetEdge),
['a', 'c', 'd', 'b'])
def test_Cycle(self):
"""Test that an exception is thrown on a cyclic graph."""
graph = {
'a': ['b'],
'b': ['c'],
'c': ['d'],
'd': ['a'],
}
def GetEdge(node):
return tuple(graph[node])
self.assertRaises(
gyp.common.CycleError, gyp.common.TopologicallySorted,
graph.keys(), GetEdge)
if __name__ == '__main__':
unittest.main()

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# Copyright (c) 2011 Google Inc. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import re
def XmlToString(content, encoding='utf-8', pretty=False):
""" Writes the XML content to disk, touching the file only if it has changed.
Visual Studio files have a lot of pre-defined structures. This function makes
it easy to represent these structures as Python data structures, instead of
having to create a lot of function calls.
Each XML element of the content is represented as a list composed of:
1. The name of the element, a string,
2. The attributes of the element, a dictionary (optional), and
3+. The content of the element, if any. Strings are simple text nodes and
lists are child elements.
Example 1:
<test/>
becomes
['test']
Example 2:
<myelement a='value1' b='value2'>
<childtype>This is</childtype>
<childtype>it!</childtype>
</myelement>
becomes
['myelement', {'a':'value1', 'b':'value2'},
['childtype', 'This is'],
['childtype', 'it!'],
]
Args:
content: The structured content to be converted.
encoding: The encoding to report on the first XML line.
pretty: True if we want pretty printing with indents and new lines.
Returns:
The XML content as a string.
"""
# We create a huge list of all the elements of the file.
xml_parts = ['<?xml version="1.0" encoding="%s"?>' % encoding]
if pretty:
xml_parts.append('\n')
_ConstructContentList(xml_parts, content, pretty)
# Convert it to a string
return ''.join(xml_parts)
def _ConstructContentList(xml_parts, specification, pretty, level=0):
""" Appends the XML parts corresponding to the specification.
Args:
xml_parts: A list of XML parts to be appended to.
specification: The specification of the element. See EasyXml docs.
pretty: True if we want pretty printing with indents and new lines.
level: Indentation level.
"""
# The first item in a specification is the name of the element.
if pretty:
indentation = ' ' * level
new_line = '\n'
else:
indentation = ''
new_line = ''
name = specification[0]
if not isinstance(name, str):
raise Exception('The first item of an EasyXml specification should be '
'a string. Specification was ' + str(specification))
xml_parts.append(indentation + '<' + name)
# Optionally in second position is a dictionary of the attributes.
rest = specification[1:]
if rest and isinstance(rest[0], dict):
for at, val in sorted(rest[0].iteritems()):
xml_parts.append(' %s="%s"' % (at, _XmlEscape(val)))
rest = rest[1:]
if rest:
xml_parts.append('>')
all_strings = reduce(lambda x, y: x and isinstance(y, str), rest, True)
multi_line = not all_strings
if multi_line and new_line:
xml_parts.append(new_line)
for child_spec in rest:
# If it's a string, append a text node.
# Otherwise recurse over that child definition
if isinstance(child_spec, str):
xml_parts.append(_XmlEscape(child_spec))
else:
_ConstructContentList(xml_parts, child_spec, pretty, level + 1)
if multi_line and indentation:
xml_parts.append(indentation)
xml_parts.append('</%s>%s' % (name, new_line))
else:
xml_parts.append('/>%s' % new_line)
def WriteXmlIfChanged(content, path, encoding='utf-8', pretty=False):
""" Writes the XML content to disk, touching the file only if it has changed.
Args:
content: The structured content to be written.
path: Location of the file.
encoding: The encoding to report on the first line of the XML file.
pretty: True if we want pretty printing with indents and new lines.
"""
xml_string = XmlToString(content, encoding, pretty)
# Get the old content
try:
f = open(path, 'r')
existing = f.read()
f.close()
except:
existing = None
# It has changed, write it
if existing != xml_string:
f = open(path, 'w')
f.write(xml_string)
f.close()
_xml_escape_map = {
'"': '&quot;',
"'": '&apos;',
'<': '&lt;',
'>': '&gt;',
'&': '&amp;',
'\n': '&#xA;',
'\r': '&#xD;',
}
_xml_escape_re = re.compile(
"(%s)" % "|".join(map(re.escape, _xml_escape_map.keys())))
def _XmlEscape(value):
""" Escape a string for inclusion in XML."""
replace = lambda m: _xml_escape_map[m.string[m.start() : m.end()]]
return _xml_escape_re.sub(replace, value)

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#!/usr/bin/env python
# Copyright (c) 2011 Google Inc. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
""" Unit tests for the easy_xml.py file. """
import gyp.easy_xml as easy_xml
import unittest
import StringIO
class TestSequenceFunctions(unittest.TestCase):
def setUp(self):
self.stderr = StringIO.StringIO()
def test_EasyXml_simple(self):
self.assertEqual(
easy_xml.XmlToString(['test']),
'<?xml version="1.0" encoding="utf-8"?><test/>')
self.assertEqual(
easy_xml.XmlToString(['test'], encoding='Windows-1252'),
'<?xml version="1.0" encoding="Windows-1252"?><test/>')
def test_EasyXml_simple_with_attributes(self):
self.assertEqual(
easy_xml.XmlToString(['test2', {'a': 'value1', 'b': 'value2'}]),
'<?xml version="1.0" encoding="utf-8"?><test2 a="value1" b="value2"/>')
def test_EasyXml_escaping(self):
original = '<test>\'"\r&\nfoo'
converted = '&lt;test&gt;&apos;&quot;&#xD;&amp;&#xA;foo'
self.assertEqual(
easy_xml.XmlToString(['test3', {'a': original}, original]),
'<?xml version="1.0" encoding="utf-8"?><test3 a="%s">%s</test3>' %
(converted, converted))
def test_EasyXml_pretty(self):
self.assertEqual(
easy_xml.XmlToString(
['test3',
['GrandParent',
['Parent1',
['Child']
],
['Parent2']
]
],
pretty=True),
'<?xml version="1.0" encoding="utf-8"?>\n'
'<test3>\n'
' <GrandParent>\n'
' <Parent1>\n'
' <Child/>\n'
' </Parent1>\n'
' <Parent2/>\n'
' </GrandParent>\n'
'</test3>\n')
def test_EasyXml_complex(self):
# We want to create:
target = (
'<?xml version="1.0" encoding="utf-8"?>'
'<Project>'
'<PropertyGroup Label="Globals">'
'<ProjectGuid>{D2250C20-3A94-4FB9-AF73-11BC5B73884B}</ProjectGuid>'
'<Keyword>Win32Proj</Keyword>'
'<RootNamespace>automated_ui_tests</RootNamespace>'
'</PropertyGroup>'
'<Import Project="$(VCTargetsPath)\\Microsoft.Cpp.props"/>'
'<PropertyGroup '
'Condition="&apos;$(Configuration)|$(Platform)&apos;=='
'&apos;Debug|Win32&apos;" Label="Configuration">'
'<ConfigurationType>Application</ConfigurationType>'
'<CharacterSet>Unicode</CharacterSet>'
'</PropertyGroup>'
'</Project>')
xml = easy_xml.XmlToString(
['Project',
['PropertyGroup', {'Label': 'Globals'},
['ProjectGuid', '{D2250C20-3A94-4FB9-AF73-11BC5B73884B}'],
['Keyword', 'Win32Proj'],
['RootNamespace', 'automated_ui_tests']
],
['Import', {'Project': '$(VCTargetsPath)\\Microsoft.Cpp.props'}],
['PropertyGroup',
{'Condition': "'$(Configuration)|$(Platform)'=='Debug|Win32'",
'Label': 'Configuration'},
['ConfigurationType', 'Application'],
['CharacterSet', 'Unicode']
]
])
self.assertEqual(xml, target)
if __name__ == '__main__':
unittest.main()

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# Copyright (c) 2011 Google Inc. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import collections
import gyp
import gyp.common
import json
import sys
generator_supports_multiple_toolsets = True
generator_wants_static_library_dependencies_adjusted = False
generator_default_variables = {
}
for dirname in ['INTERMEDIATE_DIR', 'SHARED_INTERMEDIATE_DIR', 'PRODUCT_DIR',
'LIB_DIR', 'SHARED_LIB_DIR']:
# Some gyp steps fail if these are empty(!).
generator_default_variables[dirname] = 'dir'
for unused in ['RULE_INPUT_PATH', 'RULE_INPUT_ROOT', 'RULE_INPUT_NAME',
'RULE_INPUT_DIRNAME', 'RULE_INPUT_EXT',
'EXECUTABLE_PREFIX', 'EXECUTABLE_SUFFIX',
'STATIC_LIB_PREFIX', 'STATIC_LIB_SUFFIX',
'SHARED_LIB_PREFIX', 'SHARED_LIB_SUFFIX']:
generator_default_variables[unused] = ''
def CalculateVariables(default_variables, params):
generator_flags = params.get('generator_flags', {})
for key, val in generator_flags.items():
default_variables.setdefault(key, val)
default_variables.setdefault('OS', gyp.common.GetFlavor(params))
def CalculateGeneratorInputInfo(params):
"""Calculate the generator specific info that gets fed to input (called by
gyp)."""
generator_flags = params.get('generator_flags', {})
if generator_flags.get('adjust_static_libraries', False):
global generator_wants_static_library_dependencies_adjusted
generator_wants_static_library_dependencies_adjusted = True
def GenerateOutput(target_list, target_dicts, data, params):
# Map of target -> list of targets it depends on.
edges = {}
# Queue of targets to visit.
targets_to_visit = target_list[:]
while len(targets_to_visit) > 0:
target = targets_to_visit.pop()
if target in edges:
continue
edges[target] = []
for dep in target_dicts[target].get('dependencies', []):
edges[target].append(dep)
targets_to_visit.append(dep)
filename = 'dump.json'
f = open(filename, 'w')
json.dump(edges, f)
f.close()
print 'Wrote json to %s.' % filename

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# Copyright (c) 2012 Google Inc. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""GYP backend that generates Eclipse CDT settings files.
This backend DOES NOT generate Eclipse CDT projects. Instead, it generates XML
files that can be imported into an Eclipse CDT project. The XML file contains a
list of include paths and symbols (i.e. defines).
Because a full .cproject definition is not created by this generator, it's not
possible to properly define the include dirs and symbols for each file
individually. Instead, one set of includes/symbols is generated for the entire
project. This works fairly well (and is a vast improvement in general), but may
still result in a few indexer issues here and there.
This generator has no automated tests, so expect it to be broken.
"""
from xml.sax.saxutils import escape
import os.path
import subprocess
import gyp
import gyp.common
import shlex
generator_wants_static_library_dependencies_adjusted = False
generator_default_variables = {
}
for dirname in ['INTERMEDIATE_DIR', 'PRODUCT_DIR', 'LIB_DIR', 'SHARED_LIB_DIR']:
# Some gyp steps fail if these are empty(!).
generator_default_variables[dirname] = 'dir'
for unused in ['RULE_INPUT_PATH', 'RULE_INPUT_ROOT', 'RULE_INPUT_NAME',
'RULE_INPUT_DIRNAME', 'RULE_INPUT_EXT',
'EXECUTABLE_PREFIX', 'EXECUTABLE_SUFFIX',
'STATIC_LIB_PREFIX', 'STATIC_LIB_SUFFIX',
'SHARED_LIB_PREFIX', 'SHARED_LIB_SUFFIX',
'CONFIGURATION_NAME']:
generator_default_variables[unused] = ''
# Include dirs will occasionaly use the SHARED_INTERMEDIATE_DIR variable as
# part of the path when dealing with generated headers. This value will be
# replaced dynamically for each configuration.
generator_default_variables['SHARED_INTERMEDIATE_DIR'] = \
'$SHARED_INTERMEDIATES_DIR'
def CalculateVariables(default_variables, params):
generator_flags = params.get('generator_flags', {})
for key, val in generator_flags.items():
default_variables.setdefault(key, val)
default_variables.setdefault('OS', gyp.common.GetFlavor(params))
def CalculateGeneratorInputInfo(params):
"""Calculate the generator specific info that gets fed to input (called by
gyp)."""
generator_flags = params.get('generator_flags', {})
if generator_flags.get('adjust_static_libraries', False):
global generator_wants_static_library_dependencies_adjusted
generator_wants_static_library_dependencies_adjusted = True
def GetAllIncludeDirectories(target_list, target_dicts,
shared_intermediates_dir, config_name):
"""Calculate the set of include directories to be used.
Returns:
A list including all the include_dir's specified for every target followed
by any include directories that were added as cflag compiler options.
"""
gyp_includes_set = set()
compiler_includes_list = []
for target_name in target_list:
target = target_dicts[target_name]
if config_name in target['configurations']:
config = target['configurations'][config_name]
# Look for any include dirs that were explicitly added via cflags. This
# may be done in gyp files to force certain includes to come at the end.
# TODO(jgreenwald): Change the gyp files to not abuse cflags for this, and
# remove this.
cflags = config['cflags']
for cflag in cflags:
include_dir = ''
if cflag.startswith('-I'):
include_dir = cflag[2:]
if include_dir and not include_dir in compiler_includes_list:
compiler_includes_list.append(include_dir)
# Find standard gyp include dirs.
if config.has_key('include_dirs'):
include_dirs = config['include_dirs']
for include_dir in include_dirs:
include_dir = include_dir.replace('$SHARED_INTERMEDIATES_DIR',
shared_intermediates_dir)
if not os.path.isabs(include_dir):
base_dir = os.path.dirname(target_name)
include_dir = base_dir + '/' + include_dir
include_dir = os.path.abspath(include_dir)
if not include_dir in gyp_includes_set:
gyp_includes_set.add(include_dir)
# Generate a list that has all the include dirs.
all_includes_list = list(gyp_includes_set)
all_includes_list.sort()
for compiler_include in compiler_includes_list:
if not compiler_include in gyp_includes_set:
all_includes_list.append(compiler_include)
# All done.
return all_includes_list
def GetCompilerPath(target_list, target_dicts, data):
"""Determine a command that can be used to invoke the compiler.
Returns:
If this is a gyp project that has explicit make settings, try to determine
the compiler from that. Otherwise, see if a compiler was specified via the
CC_target environment variable.
"""
# First, see if the compiler is configured in make's settings.
build_file, _, _ = gyp.common.ParseQualifiedTarget(target_list[0])
make_global_settings_dict = data[build_file].get('make_global_settings', {})
for key, value in make_global_settings_dict:
if key in ['CC', 'CXX']:
return value
# Check to see if the compiler was specified as an environment variable.
for key in ['CC_target', 'CC', 'CXX']:
compiler = os.environ.get(key)
if compiler:
return compiler
return 'gcc'
def GetAllDefines(target_list, target_dicts, data, config_name):
"""Calculate the defines for a project.
Returns:
A dict that includes explict defines declared in gyp files along with all of
the default defines that the compiler uses.
"""
# Get defines declared in the gyp files.
all_defines = {}
for target_name in target_list:
target = target_dicts[target_name]
if config_name in target['configurations']:
config = target['configurations'][config_name]
for define in config['defines']:
split_define = define.split('=', 1)
if len(split_define) == 1:
split_define.append('1')
if split_define[0].strip() in all_defines:
# Already defined
continue
all_defines[split_define[0].strip()] = split_define[1].strip()
# Get default compiler defines (if possible).
cc_target = GetCompilerPath(target_list, target_dicts, data)
if cc_target:
command = shlex.split(cc_target)
command.extend(['-E', '-dM', '-'])
cpp_proc = subprocess.Popen(args=command, cwd='.',
stdin=subprocess.PIPE, stdout=subprocess.PIPE)
cpp_output = cpp_proc.communicate()[0]
cpp_lines = cpp_output.split('\n')
for cpp_line in cpp_lines:
if not cpp_line.strip():
continue
cpp_line_parts = cpp_line.split(' ', 2)
key = cpp_line_parts[1]
if len(cpp_line_parts) >= 3:
val = cpp_line_parts[2]
else:
val = '1'
all_defines[key] = val
return all_defines
def WriteIncludePaths(out, eclipse_langs, include_dirs):
"""Write the includes section of a CDT settings export file."""
out.write(' <section name="org.eclipse.cdt.internal.ui.wizards.' \
'settingswizards.IncludePaths">\n')
out.write(' <language name="holder for library settings"></language>\n')
for lang in eclipse_langs:
out.write(' <language name="%s">\n' % lang)
for include_dir in include_dirs:
out.write(' <includepath workspace_path="false">%s</includepath>\n' %
include_dir)
out.write(' </language>\n')
out.write(' </section>\n')
def WriteMacros(out, eclipse_langs, defines):
"""Write the macros section of a CDT settings export file."""
out.write(' <section name="org.eclipse.cdt.internal.ui.wizards.' \
'settingswizards.Macros">\n')
out.write(' <language name="holder for library settings"></language>\n')
for lang in eclipse_langs:
out.write(' <language name="%s">\n' % lang)
for key in sorted(defines.iterkeys()):
out.write(' <macro><name>%s</name><value>%s</value></macro>\n' %
(escape(key), escape(defines[key])))
out.write(' </language>\n')
out.write(' </section>\n')
def GenerateOutputForConfig(target_list, target_dicts, data, params,
config_name):
options = params['options']
generator_flags = params.get('generator_flags', {})
# build_dir: relative path from source root to our output files.
# e.g. "out/Debug"
build_dir = os.path.join(generator_flags.get('output_dir', 'out'),
config_name)
toplevel_build = os.path.join(options.toplevel_dir, build_dir)
shared_intermediate_dir = os.path.join(toplevel_build, 'obj', 'gen')
if not os.path.exists(toplevel_build):
os.makedirs(toplevel_build)
out = open(os.path.join(toplevel_build, 'eclipse-cdt-settings.xml'), 'w')
out.write('<?xml version="1.0" encoding="UTF-8"?>\n')
out.write('<cdtprojectproperties>\n')
eclipse_langs = ['C++ Source File', 'C Source File', 'Assembly Source File',
'GNU C++', 'GNU C', 'Assembly']
include_dirs = GetAllIncludeDirectories(target_list, target_dicts,
shared_intermediate_dir, config_name)
WriteIncludePaths(out, eclipse_langs, include_dirs)
defines = GetAllDefines(target_list, target_dicts, data, config_name)
WriteMacros(out, eclipse_langs, defines)
out.write('</cdtprojectproperties>\n')
out.close()
def GenerateOutput(target_list, target_dicts, data, params):
"""Generate an XML settings file that can be imported into a CDT project."""
if params['options'].generator_output:
raise NotImplementedError, "--generator_output not implemented for eclipse"
user_config = params.get('generator_flags', {}).get('config', None)
if user_config:
GenerateOutputForConfig(target_list, target_dicts, data, params,
user_config)
else:
config_names = target_dicts[target_list[0]]['configurations'].keys()
for config_name in config_names:
GenerateOutputForConfig(target_list, target_dicts, data, params,
config_name)

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# Copyright (c) 2011 Google Inc. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""gypd output module
This module produces gyp input as its output. Output files are given the
.gypd extension to avoid overwriting the .gyp files that they are generated
from. Internal references to .gyp files (such as those found in
"dependencies" sections) are not adjusted to point to .gypd files instead;
unlike other paths, which are relative to the .gyp or .gypd file, such paths
are relative to the directory from which gyp was run to create the .gypd file.
This generator module is intended to be a sample and a debugging aid, hence
the "d" for "debug" in .gypd. It is useful to inspect the results of the
various merges, expansions, and conditional evaluations performed by gyp
and to see a representation of what would be fed to a generator module.
It's not advisable to rename .gypd files produced by this module to .gyp,
because they will have all merges, expansions, and evaluations already
performed and the relevant constructs not present in the output; paths to
dependencies may be wrong; and various sections that do not belong in .gyp
files such as such as "included_files" and "*_excluded" will be present.
Output will also be stripped of comments. This is not intended to be a
general-purpose gyp pretty-printer; for that, you probably just want to
run "pprint.pprint(eval(open('source.gyp').read()))", which will still strip
comments but won't do all of the other things done to this module's output.
The specific formatting of the output generated by this module is subject
to change.
"""
import gyp.common
import errno
import os
import pprint
# These variables should just be spit back out as variable references.
_generator_identity_variables = [
'EXECUTABLE_PREFIX',
'EXECUTABLE_SUFFIX',
'INTERMEDIATE_DIR',
'PRODUCT_DIR',
'RULE_INPUT_ROOT',
'RULE_INPUT_DIRNAME',
'RULE_INPUT_EXT',
'RULE_INPUT_NAME',
'RULE_INPUT_PATH',
'SHARED_INTERMEDIATE_DIR',
]
# gypd doesn't define a default value for OS like many other generator
# modules. Specify "-D OS=whatever" on the command line to provide a value.
generator_default_variables = {
}
# gypd supports multiple toolsets
generator_supports_multiple_toolsets = True
# TODO(mark): This always uses <, which isn't right. The input module should
# notify the generator to tell it which phase it is operating in, and this
# module should use < for the early phase and then switch to > for the late
# phase. Bonus points for carrying @ back into the output too.
for v in _generator_identity_variables:
generator_default_variables[v] = '<(%s)' % v
def GenerateOutput(target_list, target_dicts, data, params):
output_files = {}
for qualified_target in target_list:
[input_file, target] = \
gyp.common.ParseQualifiedTarget(qualified_target)[0:2]
if input_file[-4:] != '.gyp':
continue
input_file_stem = input_file[:-4]
output_file = input_file_stem + params['options'].suffix + '.gypd'
if not output_file in output_files:
output_files[output_file] = input_file
for output_file, input_file in output_files.iteritems():
output = open(output_file, 'w')
pprint.pprint(data[input_file], output)
output.close()

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# Copyright (c) 2011 Google Inc. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""gypsh output module
gypsh is a GYP shell. It's not really a generator per se. All it does is
fire up an interactive Python session with a few local variables set to the
variables passed to the generator. Like gypd, it's intended as a debugging
aid, to facilitate the exploration of .gyp structures after being processed
by the input module.
The expected usage is "gyp -f gypsh -D OS=desired_os".
"""
import code
import sys
# All of this stuff about generator variables was lovingly ripped from gypd.py.
# That module has a much better description of what's going on and why.
_generator_identity_variables = [
'EXECUTABLE_PREFIX',
'EXECUTABLE_SUFFIX',
'INTERMEDIATE_DIR',
'PRODUCT_DIR',
'RULE_INPUT_ROOT',
'RULE_INPUT_DIRNAME',
'RULE_INPUT_EXT',
'RULE_INPUT_NAME',
'RULE_INPUT_PATH',
'SHARED_INTERMEDIATE_DIR',
]
generator_default_variables = {
}
for v in _generator_identity_variables:
generator_default_variables[v] = '<(%s)' % v
def GenerateOutput(target_list, target_dicts, data, params):
locals = {
'target_list': target_list,
'target_dicts': target_dicts,
'data': data,
}
# Use a banner that looks like the stock Python one and like what
# code.interact uses by default, but tack on something to indicate what
# locals are available, and identify gypsh.
banner='Python %s on %s\nlocals.keys() = %s\ngypsh' % \
(sys.version, sys.platform, repr(sorted(locals.keys())))
code.interact(banner, local=locals)

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#!/usr/bin/env python
# Copyright (c) 2011 Google Inc. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
""" Unit tests for the msvs.py file. """
import gyp.generator.msvs as msvs
import unittest
import StringIO
class TestSequenceFunctions(unittest.TestCase):
def setUp(self):
self.stderr = StringIO.StringIO()
def test_GetLibraries(self):
self.assertEqual(
msvs._GetLibraries({}),
[])
self.assertEqual(
msvs._GetLibraries({'libraries': []}),
[])
self.assertEqual(
msvs._GetLibraries({'other':'foo', 'libraries': ['a.lib']}),
['a.lib'])
self.assertEqual(
msvs._GetLibraries({'libraries': ['a.lib', 'b.lib', 'c.lib', '-lb.lib',
'-lb.lib', 'd.lib', 'a.lib']}),
['c.lib', 'b.lib', 'd.lib', 'a.lib'])
if __name__ == '__main__':
unittest.main()

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#!/usr/bin/env python
# Copyright (c) 2012 Google Inc. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
""" Unit tests for the ninja.py file. """
import gyp.generator.ninja as ninja
import unittest
import StringIO
import sys
import TestCommon
class TestPrefixesAndSuffixes(unittest.TestCase):
if sys.platform in ('win32', 'cygwin'):
def test_BinaryNamesWindows(self):
writer = ninja.NinjaWriter('foo', 'wee', '.', '.', 'ninja.build', 'win')
spec = { 'target_name': 'wee' }
self.assertTrue(writer.ComputeOutputFileName(spec, 'executable').
endswith('.exe'))
self.assertTrue(writer.ComputeOutputFileName(spec, 'shared_library').
endswith('.dll'))
self.assertTrue(writer.ComputeOutputFileName(spec, 'static_library').
endswith('.lib'))
if sys.platform == 'linux2':
def test_BinaryNamesLinux(self):
writer = ninja.NinjaWriter('foo', 'wee', '.', '.', 'ninja.build', 'linux')
spec = { 'target_name': 'wee' }
self.assertTrue('.' not in writer.ComputeOutputFileName(spec,
'executable'))
self.assertTrue(writer.ComputeOutputFileName(spec, 'shared_library').
startswith('lib'))
self.assertTrue(writer.ComputeOutputFileName(spec, 'static_library').
startswith('lib'))
self.assertTrue(writer.ComputeOutputFileName(spec, 'shared_library').
endswith('.so'))
self.assertTrue(writer.ComputeOutputFileName(spec, 'static_library').
endswith('.a'))
if __name__ == '__main__':
unittest.main()

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#!/usr/bin/env python
# Copyright (c) 2012 Google Inc. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Utility functions to perform Xcode-style build steps.
These functions are executed via gyp-mac-tool when using the Makefile generator.
"""
import fcntl
import os
import plistlib
import re
import shutil
import string
import subprocess
import sys
def main(args):
executor = MacTool()
exit_code = executor.Dispatch(args)
if exit_code is not None:
sys.exit(exit_code)
class MacTool(object):
"""This class performs all the Mac tooling steps. The methods can either be
executed directly, or dispatched from an argument list."""
def Dispatch(self, args):
"""Dispatches a string command to a method."""
if len(args) < 1:
raise Exception("Not enough arguments")
method = "Exec%s" % self._CommandifyName(args[0])
return getattr(self, method)(*args[1:])
def _CommandifyName(self, name_string):
"""Transforms a tool name like copy-info-plist to CopyInfoPlist"""
return name_string.title().replace('-', '')
def ExecCopyBundleResource(self, source, dest):
"""Copies a resource file to the bundle/Resources directory, performing any
necessary compilation on each resource."""
extension = os.path.splitext(source)[1].lower()
if os.path.isdir(source):
# Copy tree.
if os.path.exists(dest):
shutil.rmtree(dest)
shutil.copytree(source, dest)
elif extension == '.xib':
return self._CopyXIBFile(source, dest)
elif extension == '.strings':
self._CopyStringsFile(source, dest)
else:
shutil.copyfile(source, dest)
def _CopyXIBFile(self, source, dest):
"""Compiles a XIB file with ibtool into a binary plist in the bundle."""
tools_dir = os.environ.get('DEVELOPER_BIN_DIR', '/usr/bin')
args = [os.path.join(tools_dir, 'ibtool'), '--errors', '--warnings',
'--notices', '--output-format', 'human-readable-text', '--compile',
dest, source]
ibtool_section_re = re.compile(r'/\*.*\*/')
ibtool_re = re.compile(r'.*note:.*is clipping its content')
ibtoolout = subprocess.Popen(args, stdout=subprocess.PIPE)
current_section_header = None
for line in ibtoolout.stdout:
if ibtool_section_re.match(line):
current_section_header = line
elif not ibtool_re.match(line):
if current_section_header:
sys.stdout.write(current_section_header)
current_section_header = None
sys.stdout.write(line)
return ibtoolout.returncode
def _CopyStringsFile(self, source, dest):
"""Copies a .strings file using iconv to reconvert the input into UTF-16."""
input_code = self._DetectInputEncoding(source) or "UTF-8"
fp = open(dest, 'w')
args = ['/usr/bin/iconv', '--from-code', input_code, '--to-code',
'UTF-16', source]
subprocess.call(args, stdout=fp)
fp.close()
def _DetectInputEncoding(self, file_name):
"""Reads the first few bytes from file_name and tries to guess the text
encoding. Returns None as a guess if it can't detect it."""
fp = open(file_name, 'rb')
try:
header = fp.read(3)
except e:
fp.close()
return None
fp.close()
if header.startswith("\xFE\xFF"):
return "UTF-16BE"
elif header.startswith("\xFF\xFE"):
return "UTF-16LE"
elif header.startswith("\xEF\xBB\xBF"):
return "UTF-8"
else:
return None
def ExecCopyInfoPlist(self, source, dest):
"""Copies the |source| Info.plist to the destination directory |dest|."""
# Read the source Info.plist into memory.
fd = open(source, 'r')
lines = fd.read()
fd.close()
# Go through all the environment variables and replace them as variables in
# the file.
for key in os.environ:
if key.startswith('_'):
continue
evar = '${%s}' % key
lines = string.replace(lines, evar, os.environ[key])
# Write out the file with variables replaced.
fd = open(dest, 'w')
fd.write(lines)
fd.close()
# Now write out PkgInfo file now that the Info.plist file has been
# "compiled".
self._WritePkgInfo(dest)
def _WritePkgInfo(self, info_plist):
"""This writes the PkgInfo file from the data stored in Info.plist."""
plist = plistlib.readPlist(info_plist)
if not plist:
return
# Only create PkgInfo for executable types.
package_type = plist['CFBundlePackageType']
if package_type != 'APPL':
return
# The format of PkgInfo is eight characters, representing the bundle type
# and bundle signature, each four characters. If that is missing, four
# '?' characters are used instead.
signature_code = plist.get('CFBundleSignature', '????')
if len(signature_code) != 4: # Wrong length resets everything, too.
signature_code = '?' * 4
dest = os.path.join(os.path.dirname(info_plist), 'PkgInfo')
fp = open(dest, 'w')
fp.write('%s%s' % (package_type, signature_code))
fp.close()
def ExecFlock(self, lockfile, *cmd_list):
"""Emulates the most basic behavior of Linux's flock(1)."""
# Rely on exception handling to report errors.
fd = os.open(lockfile, os.O_RDONLY|os.O_NOCTTY|os.O_CREAT, 0o666)
fcntl.flock(fd, fcntl.LOCK_EX)
return subprocess.call(cmd_list)
def ExecFilterLibtool(self, *cmd_list):
"""Calls libtool and filters out 'libtool: file: foo.o has no symbols'."""
libtool_re = re.compile(r'^libtool: file: .* has no symbols$')
libtoolout = subprocess.Popen(cmd_list, stderr=subprocess.PIPE)
for line in libtoolout.stderr:
if not libtool_re.match(line):
sys.stderr.write(line)
return libtoolout.returncode
def ExecPackageFramework(self, framework, version):
"""Takes a path to Something.framework and the Current version of that and
sets up all the symlinks."""
# Find the name of the binary based on the part before the ".framework".
binary = os.path.basename(framework).split('.')[0]
CURRENT = 'Current'
RESOURCES = 'Resources'
VERSIONS = 'Versions'
if not os.path.exists(os.path.join(framework, VERSIONS, version, binary)):
# Binary-less frameworks don't seem to contain symlinks (see e.g.
# chromium's out/Debug/org.chromium.Chromium.manifest/ bundle).
return
# Move into the framework directory to set the symlinks correctly.
pwd = os.getcwd()
os.chdir(framework)
# Set up the Current version.
self._Relink(version, os.path.join(VERSIONS, CURRENT))
# Set up the root symlinks.
self._Relink(os.path.join(VERSIONS, CURRENT, binary), binary)
self._Relink(os.path.join(VERSIONS, CURRENT, RESOURCES), RESOURCES)
# Back to where we were before!
os.chdir(pwd)
def _Relink(self, dest, link):
"""Creates a symlink to |dest| named |link|. If |link| already exists,
it is overwritten."""
if os.path.lexists(link):
os.remove(link)
os.symlink(dest, link)
if __name__ == '__main__':
sys.exit(main(sys.argv[1:]))

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# Copyright (c) 2012 Google Inc. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""
This module helps emulate Visual Studio 2008 behavior on top of other
build systems, primarily ninja.
"""
import os
import re
import subprocess
import sys
import gyp.MSVSVersion
windows_quoter_regex = re.compile(r'(\\*)"')
def QuoteForRspFile(arg):
"""Quote a command line argument so that it appears as one argument when
processed via cmd.exe and parsed by CommandLineToArgvW (as is typical for
Windows programs)."""
# See http://goo.gl/cuFbX and http://goo.gl/dhPnp including the comment
# threads. This is actually the quoting rules for CommandLineToArgvW, not
# for the shell, because the shell doesn't do anything in Windows. This
# works more or less because most programs (including the compiler, etc.)
# use that function to handle command line arguments.
# For a literal quote, CommandLineToArgvW requires 2n+1 backslashes
# preceding it, and results in n backslashes + the quote. So we substitute
# in 2* what we match, +1 more, plus the quote.
arg = windows_quoter_regex.sub(lambda mo: 2 * mo.group(1) + '\\"', arg)
# %'s also need to be doubled otherwise they're interpreted as batch
# positional arguments. Also make sure to escape the % so that they're
# passed literally through escaping so they can be singled to just the
# original %. Otherwise, trying to pass the literal representation that
# looks like an environment variable to the shell (e.g. %PATH%) would fail.
arg = arg.replace('%', '%%')
# These commands are used in rsp files, so no escaping for the shell (via ^)
# is necessary.
# Finally, wrap the whole thing in quotes so that the above quote rule
# applies and whitespace isn't a word break.
return '"' + arg + '"'
def EncodeRspFileList(args):
"""Process a list of arguments using QuoteCmdExeArgument."""
# Note that the first argument is assumed to be the command. Don't add
# quotes around it because then built-ins like 'echo', etc. won't work.
# Take care to normpath only the path in the case of 'call ../x.bat' because
# otherwise the whole thing is incorrectly interpreted as a path and not
# normalized correctly.
if not args: return ''
if args[0].startswith('call '):
call, program = args[0].split(' ', 1)
program = call + ' ' + os.path.normpath(program)
else:
program = os.path.normpath(args[0])
return program + ' ' + ' '.join(QuoteForRspFile(arg) for arg in args[1:])
def _GenericRetrieve(root, default, path):
"""Given a list of dictionary keys |path| and a tree of dicts |root|, find
value at path, or return |default| if any of the path doesn't exist."""
if not root:
return default
if not path:
return root
return _GenericRetrieve(root.get(path[0]), default, path[1:])
def _AddPrefix(element, prefix):
"""Add |prefix| to |element| or each subelement if element is iterable."""
if element is None:
return element
# Note, not Iterable because we don't want to handle strings like that.
if isinstance(element, list) or isinstance(element, tuple):
return [prefix + e for e in element]
else:
return prefix + element
def _DoRemapping(element, map):
"""If |element| then remap it through |map|. If |element| is iterable then
each item will be remapped. Any elements not found will be removed."""
if map is not None and element is not None:
if not callable(map):
map = map.get # Assume it's a dict, otherwise a callable to do the remap.
if isinstance(element, list) or isinstance(element, tuple):
element = filter(None, [map(elem) for elem in element])
else:
element = map(element)
return element
def _AppendOrReturn(append, element):
"""If |append| is None, simply return |element|. If |append| is not None,
then add |element| to it, adding each item in |element| if it's a list or
tuple."""
if append is not None and element is not None:
if isinstance(element, list) or isinstance(element, tuple):
append.extend(element)
else:
append.append(element)
else:
return element
def _FindDirectXInstallation():
"""Try to find an installation location for the DirectX SDK. Check for the
standard environment variable, and if that doesn't exist, try to find
via the registry. May return None if not found in either location."""
# Return previously calculated value, if there is one
if hasattr(_FindDirectXInstallation, 'dxsdk_dir'):
return _FindDirectXInstallation.dxsdk_dir
dxsdk_dir = os.environ.get('DXSDK_DIR')
if not dxsdk_dir:
# Setup params to pass to and attempt to launch reg.exe.
cmd = ['reg.exe', 'query', r'HKLM\Software\Microsoft\DirectX', '/s']
p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
for line in p.communicate()[0].splitlines():
if 'InstallPath' in line:
dxsdk_dir = line.split(' ')[3] + "\\"
# Cache return value
_FindDirectXInstallation.dxsdk_dir = dxsdk_dir
return dxsdk_dir
class MsvsSettings(object):
"""A class that understands the gyp 'msvs_...' values (especially the
msvs_settings field). They largely correpond to the VS2008 IDE DOM. This
class helps map those settings to command line options."""
def __init__(self, spec, generator_flags):
self.spec = spec
self.vs_version = GetVSVersion(generator_flags)
self.dxsdk_dir = _FindDirectXInstallation()
# Try to find an installation location for the Windows DDK by checking
# the WDK_DIR environment variable, may be None.
self.wdk_dir = os.environ.get('WDK_DIR')
supported_fields = [
('msvs_configuration_attributes', dict),
('msvs_settings', dict),
('msvs_system_include_dirs', list),
('msvs_disabled_warnings', list),
('msvs_precompiled_header', str),
('msvs_precompiled_source', str),
('msvs_target_platform', str),
]
configs = spec['configurations']
for field, default in supported_fields:
setattr(self, field, {})
for configname, config in configs.iteritems():
getattr(self, field)[configname] = config.get(field, default())
self.msvs_cygwin_dirs = spec.get('msvs_cygwin_dirs', ['.'])
def GetVSMacroEnv(self, base_to_build=None, config=None):
"""Get a dict of variables mapping internal VS macro names to their gyp
equivalents."""
target_platform = self.GetTargetPlatform(config)
target_platform = {'x86': 'Win32'}.get(target_platform, target_platform)
replacements = {
'$(VSInstallDir)': self.vs_version.Path(),
'$(VCInstallDir)': os.path.join(self.vs_version.Path(), 'VC') + '\\',
'$(OutDir)\\': base_to_build + '\\' if base_to_build else '',
'$(IntDir)': '$!INTERMEDIATE_DIR',
'$(InputPath)': '${source}',
'$(InputName)': '${root}',
'$(ProjectName)': self.spec['target_name'],
'$(PlatformName)': target_platform,
'$(ProjectDir)\\': '',
}
# Chromium uses DXSDK_DIR in include/lib paths, but it may or may not be
# set. This happens when the SDK is sync'd via src-internal, rather than
# by typical end-user installation of the SDK. If it's not set, we don't
# want to leave the unexpanded variable in the path, so simply strip it.
replacements['$(DXSDK_DIR)'] = self.dxsdk_dir if self.dxsdk_dir else ''
replacements['$(WDK_DIR)'] = self.wdk_dir if self.wdk_dir else ''
return replacements
def ConvertVSMacros(self, s, base_to_build=None, config=None):
"""Convert from VS macro names to something equivalent."""
env = self.GetVSMacroEnv(base_to_build, config=config)
return ExpandMacros(s, env)
def AdjustLibraries(self, libraries):
"""Strip -l from library if it's specified with that."""
return [lib[2:] if lib.startswith('-l') else lib for lib in libraries]
def _GetAndMunge(self, field, path, default, prefix, append, map):
"""Retrieve a value from |field| at |path| or return |default|. If
|append| is specified, and the item is found, it will be appended to that
object instead of returned. If |map| is specified, results will be
remapped through |map| before being returned or appended."""
result = _GenericRetrieve(field, default, path)
result = _DoRemapping(result, map)
result = _AddPrefix(result, prefix)
return _AppendOrReturn(append, result)
class _GetWrapper(object):
def __init__(self, parent, field, base_path, append=None):
self.parent = parent
self.field = field
self.base_path = [base_path]
self.append = append
def __call__(self, name, map=None, prefix='', default=None):
return self.parent._GetAndMunge(self.field, self.base_path + [name],
default=default, prefix=prefix, append=self.append, map=map)
def GetTargetPlatform(self, config):
target_platform = self.msvs_target_platform.get(config, '')
if not target_platform:
target_platform = 'Win32'
return {'Win32': 'x86'}.get(target_platform, target_platform)
def _RealConfig(self, config):
target_platform = self.GetTargetPlatform(config)
if target_platform == 'x64' and not config.endswith('_x64'):
config += '_x64'
return config
def _Setting(self, path, config,
default=None, prefix='', append=None, map=None):
"""_GetAndMunge for msvs_settings."""
config = self._RealConfig(config)
return self._GetAndMunge(
self.msvs_settings[config], path, default, prefix, append, map)
def _ConfigAttrib(self, path, config,
default=None, prefix='', append=None, map=None):
"""_GetAndMunge for msvs_configuration_attributes."""
config = self._RealConfig(config)
return self._GetAndMunge(
self.msvs_configuration_attributes[config],
path, default, prefix, append, map)
def AdjustIncludeDirs(self, include_dirs, config):
"""Updates include_dirs to expand VS specific paths, and adds the system
include dirs used for platform SDK and similar."""
config = self._RealConfig(config)
includes = include_dirs + self.msvs_system_include_dirs[config]
includes.extend(self._Setting(
('VCCLCompilerTool', 'AdditionalIncludeDirectories'), config, default=[]))
return [self.ConvertVSMacros(p, config=config) for p in includes]
def GetComputedDefines(self, config):
"""Returns the set of defines that are injected to the defines list based
on other VS settings."""
config = self._RealConfig(config)
defines = []
if self._ConfigAttrib(['CharacterSet'], config) == '1':
defines.extend(('_UNICODE', 'UNICODE'))
if self._ConfigAttrib(['CharacterSet'], config) == '2':
defines.append('_MBCS')
defines.extend(self._Setting(
('VCCLCompilerTool', 'PreprocessorDefinitions'), config, default=[]))
return defines
def GetOutputName(self, config, expand_special):
"""Gets the explicitly overridden output name for a target or returns None
if it's not overridden."""
config = self._RealConfig(config)
type = self.spec['type']
root = 'VCLibrarianTool' if type == 'static_library' else 'VCLinkerTool'
# TODO(scottmg): Handle OutputDirectory without OutputFile.
output_file = self._Setting((root, 'OutputFile'), config)
if output_file:
output_file = expand_special(self.ConvertVSMacros(
output_file, config=config))
return output_file
def GetCflags(self, config):
"""Returns the flags that need to be added to .c and .cc compilations."""
config = self._RealConfig(config)
cflags = []
cflags.extend(['/wd' + w for w in self.msvs_disabled_warnings[config]])
cl = self._GetWrapper(self, self.msvs_settings[config],
'VCCLCompilerTool', append=cflags)
cl('Optimization',
map={'0': 'd', '1': '1', '2': '2', '3': 'x'}, prefix='/O')
cl('InlineFunctionExpansion', prefix='/Ob')
cl('OmitFramePointers', map={'false': '-', 'true': ''}, prefix='/Oy')
cl('FavorSizeOrSpeed', map={'1': 't', '2': 's'}, prefix='/O')
cl('WholeProgramOptimization', map={'true': '/GL'})
cl('WarningLevel', prefix='/W')
cl('WarnAsError', map={'true': '/WX'})
cl('DebugInformationFormat',
map={'1': '7', '3': 'i', '4': 'I'}, prefix='/Z')
cl('RuntimeTypeInfo', map={'true': '/GR', 'false': '/GR-'})
cl('EnableFunctionLevelLinking', map={'true': '/Gy', 'false': '/Gy-'})
cl('MinimalRebuild', map={'true': '/Gm'})
cl('BufferSecurityCheck', map={'true': '/GS', 'false': '/GS-'})
cl('BasicRuntimeChecks', map={'1': 's', '2': 'u', '3': '1'}, prefix='/RTC')
cl('RuntimeLibrary',
map={'0': 'T', '1': 'Td', '2': 'D', '3': 'Dd'}, prefix='/M')
cl('ExceptionHandling', map={'1': 'sc','2': 'a'}, prefix='/EH')
cl('AdditionalOptions', prefix='')
# ninja handles parallelism by itself, don't have the compiler do it too.
cflags = filter(lambda x: not x.startswith('/MP'), cflags)
return cflags
def GetPrecompiledHeader(self, config, gyp_to_build_path):
"""Returns an object that handles the generation of precompiled header
build steps."""
config = self._RealConfig(config)
return _PchHelper(self, config, gyp_to_build_path)
def _GetPchFlags(self, config, extension):
"""Get the flags to be added to the cflags for precompiled header support.
"""
config = self._RealConfig(config)
# The PCH is only built once by a particular source file. Usage of PCH must
# only be for the same language (i.e. C vs. C++), so only include the pch
# flags when the language matches.
if self.msvs_precompiled_header[config]:
source_ext = os.path.splitext(self.msvs_precompiled_source[config])[1]
if _LanguageMatchesForPch(source_ext, extension):
pch = os.path.split(self.msvs_precompiled_header[config])[1]
return ['/Yu' + pch, '/FI' + pch, '/Fp${pchprefix}.' + pch + '.pch']
return []
def GetCflagsC(self, config):
"""Returns the flags that need to be added to .c compilations."""
config = self._RealConfig(config)
return self._GetPchFlags(config, '.c')
def GetCflagsCC(self, config):
"""Returns the flags that need to be added to .cc compilations."""
config = self._RealConfig(config)
return ['/TP'] + self._GetPchFlags(config, '.cc')
def _GetAdditionalLibraryDirectories(self, root, config, gyp_to_build_path):
"""Get and normalize the list of paths in AdditionalLibraryDirectories
setting."""
config = self._RealConfig(config)
libpaths = self._Setting((root, 'AdditionalLibraryDirectories'),
config, default=[])
libpaths = [os.path.normpath(
gyp_to_build_path(self.ConvertVSMacros(p, config=config)))
for p in libpaths]
return ['/LIBPATH:"' + p + '"' for p in libpaths]
def GetLibFlags(self, config, gyp_to_build_path):
"""Returns the flags that need to be added to lib commands."""
config = self._RealConfig(config)
libflags = []
lib = self._GetWrapper(self, self.msvs_settings[config],
'VCLibrarianTool', append=libflags)
libflags.extend(self._GetAdditionalLibraryDirectories(
'VCLibrarianTool', config, gyp_to_build_path))
lib('AdditionalOptions')
return libflags
def _GetDefFileAsLdflags(self, spec, ldflags, gyp_to_build_path):
""".def files get implicitly converted to a ModuleDefinitionFile for the
linker in the VS generator. Emulate that behaviour here."""
def_file = ''
if spec['type'] in ('shared_library', 'loadable_module', 'executable'):
def_files = [s for s in spec.get('sources', []) if s.endswith('.def')]
if len(def_files) == 1:
ldflags.append('/DEF:"%s"' % gyp_to_build_path(def_files[0]))
elif len(def_files) > 1:
raise Exception("Multiple .def files")
def GetLdflags(self, config, gyp_to_build_path, expand_special,
manifest_base_name, is_executable):
"""Returns the flags that need to be added to link commands, and the
manifest files."""
config = self._RealConfig(config)
ldflags = []
ld = self._GetWrapper(self, self.msvs_settings[config],
'VCLinkerTool', append=ldflags)
self._GetDefFileAsLdflags(self.spec, ldflags, gyp_to_build_path)
ld('GenerateDebugInformation', map={'true': '/DEBUG'})
ld('TargetMachine', map={'1': 'X86', '17': 'X64'}, prefix='/MACHINE:')
ldflags.extend(self._GetAdditionalLibraryDirectories(
'VCLinkerTool', config, gyp_to_build_path))
ld('DelayLoadDLLs', prefix='/DELAYLOAD:')
out = self.GetOutputName(config, expand_special)
if out:
ldflags.append('/OUT:' + out)
ld('AdditionalOptions', prefix='')
ld('SubSystem', map={'1': 'CONSOLE', '2': 'WINDOWS'}, prefix='/SUBSYSTEM:')
ld('LinkIncremental', map={'1': ':NO', '2': ''}, prefix='/INCREMENTAL')
ld('FixedBaseAddress', map={'1': ':NO', '2': ''}, prefix='/FIXED')
ld('RandomizedBaseAddress',
map={'1': ':NO', '2': ''}, prefix='/DYNAMICBASE')
ld('DataExecutionPrevention',
map={'1': ':NO', '2': ''}, prefix='/NXCOMPAT')
ld('OptimizeReferences', map={'1': 'NOREF', '2': 'REF'}, prefix='/OPT:')
ld('EnableCOMDATFolding', map={'1': 'NOICF', '2': 'ICF'}, prefix='/OPT:')
ld('LinkTimeCodeGeneration', map={'1': '/LTCG'})
ld('IgnoreDefaultLibraryNames', prefix='/NODEFAULTLIB:')
ld('ResourceOnlyDLL', map={'true': '/NOENTRY'})
ld('EntryPointSymbol', prefix='/ENTRY:')
# TODO(scottmg): This should sort of be somewhere else (not really a flag).
ld('AdditionalDependencies', prefix='')
# TODO(scottmg): These too.
ldflags.extend(('kernel32.lib', 'user32.lib', 'gdi32.lib', 'winspool.lib',
'comdlg32.lib', 'advapi32.lib', 'shell32.lib', 'ole32.lib',
'oleaut32.lib', 'uuid.lib', 'odbc32.lib', 'DelayImp.lib'))
# If the base address is not specifically controlled, DYNAMICBASE should
# be on by default.
base_flags = filter(lambda x: 'DYNAMICBASE' in x or x == '/FIXED',
ldflags)
if not base_flags:
ldflags.append('/DYNAMICBASE')
# If the NXCOMPAT flag has not been specified, default to on. Despite the
# documentation that says this only defaults to on when the subsystem is
# Vista or greater (which applies to the linker), the IDE defaults it on
# unless it's explicitly off.
if not filter(lambda x: 'NXCOMPAT' in x, ldflags):
ldflags.append('/NXCOMPAT')
have_def_file = filter(lambda x: x.startswith('/DEF:'), ldflags)
manifest_flags, intermediate_manifest_file = self._GetLdManifestFlags(
config, manifest_base_name, is_executable and not have_def_file)
ldflags.extend(manifest_flags)
manifest_files = self._GetAdditionalManifestFiles(config, gyp_to_build_path)
manifest_files.append(intermediate_manifest_file)
return ldflags, manifest_files
def _GetLdManifestFlags(self, config, name, allow_isolation):
"""Returns the set of flags that need to be added to the link to generate
a default manifest, as well as the name of the generated file."""
# Add manifest flags that mirror the defaults in VS. Chromium dev builds
# do not currently use any non-default settings, but we could parse
# VCManifestTool blocks if Chromium or other projects need them in the
# future. Of particular note, we do not yet support EmbedManifest because
# it complicates incremental linking.
output_name = name + '.intermediate.manifest'
flags = [
'/MANIFEST',
'/ManifestFile:' + output_name,
'''/MANIFESTUAC:"level='asInvoker' uiAccess='false'"'''
]
if allow_isolation:
flags.append('/ALLOWISOLATION')
return flags, output_name
def _GetAdditionalManifestFiles(self, config, gyp_to_build_path):
"""Gets additional manifest files that are added to the default one
generated by the linker."""
files = self._Setting(('VCManifestTool', 'AdditionalManifestFiles'), config,
default=[])
if (self._Setting(
('VCManifestTool', 'EmbedManifest'), config, default='') == 'true'):
print 'gyp/msvs_emulation.py: "EmbedManifest: true" not yet supported.'
if isinstance(files, str):
files = files.split(';')
return [os.path.normpath(
gyp_to_build_path(self.ConvertVSMacros(f, config=config)))
for f in files]
def IsUseLibraryDependencyInputs(self, config):
"""Returns whether the target should be linked via Use Library Dependency
Inputs (using component .objs of a given .lib)."""
config = self._RealConfig(config)
uldi = self._Setting(('VCLinkerTool', 'UseLibraryDependencyInputs'), config)
return uldi == 'true'
def GetRcflags(self, config, gyp_to_ninja_path):
"""Returns the flags that need to be added to invocations of the resource
compiler."""
config = self._RealConfig(config)
rcflags = []
rc = self._GetWrapper(self, self.msvs_settings[config],
'VCResourceCompilerTool', append=rcflags)
rc('AdditionalIncludeDirectories', map=gyp_to_ninja_path, prefix='/I')
rcflags.append('/I' + gyp_to_ninja_path('.'))
rc('PreprocessorDefinitions', prefix='/d')
# /l arg must be in hex without leading '0x'
rc('Culture', prefix='/l', map=lambda x: hex(int(x))[2:])
return rcflags
def BuildCygwinBashCommandLine(self, args, path_to_base):
"""Build a command line that runs args via cygwin bash. We assume that all
incoming paths are in Windows normpath'd form, so they need to be
converted to posix style for the part of the command line that's passed to
bash. We also have to do some Visual Studio macro emulation here because
various rules use magic VS names for things. Also note that rules that
contain ninja variables cannot be fixed here (for example ${source}), so
the outer generator needs to make sure that the paths that are written out
are in posix style, if the command line will be used here."""
cygwin_dir = os.path.normpath(
os.path.join(path_to_base, self.msvs_cygwin_dirs[0]))
cd = ('cd %s' % path_to_base).replace('\\', '/')
args = [a.replace('\\', '/').replace('"', '\\"') for a in args]
args = ["'%s'" % a.replace("'", "'\\''") for a in args]
bash_cmd = ' '.join(args)
cmd = (
'call "%s\\setup_env.bat" && set CYGWIN=nontsec && ' % cygwin_dir +
'bash -c "%s ; %s"' % (cd, bash_cmd))
return cmd
def IsRuleRunUnderCygwin(self, rule):
"""Determine if an action should be run under cygwin. If the variable is
unset, or set to 1 we use cygwin."""
return int(rule.get('msvs_cygwin_shell',
self.spec.get('msvs_cygwin_shell', 1))) != 0
def HasExplicitIdlRules(self, spec):
"""Determine if there's an explicit rule for idl files. When there isn't we
need to generate implicit rules to build MIDL .idl files."""
for rule in spec.get('rules', []):
if rule['extension'] == 'idl' and int(rule.get('msvs_external_rule', 0)):
return True
return False
def GetIdlBuildData(self, source, config):
"""Determine the implicit outputs for an idl file. Returns output
directory, outputs, and variables and flags that are required."""
config = self._RealConfig(config)
midl_get = self._GetWrapper(self, self.msvs_settings[config], 'VCMIDLTool')
def midl(name, default=None):
return self.ConvertVSMacros(midl_get(name, default=default),
config=config)
tlb = midl('TypeLibraryName', default='${root}.tlb')
header = midl('HeaderFileName', default='${root}.h')
dlldata = midl('DLLDataFileName', default='dlldata.c')
iid = midl('InterfaceIdentifierFileName', default='${root}_i.c')
proxy = midl('ProxyFileName', default='${root}_p.c')
# Note that .tlb is not included in the outputs as it is not always
# generated depending on the content of the input idl file.
outdir = midl('OutputDirectory', default='')
output = [header, dlldata, iid, proxy]
variables = [('tlb', tlb),
('h', header),
('dlldata', dlldata),
('iid', iid),
('proxy', proxy)]
# TODO(scottmg): Are there configuration settings to set these flags?
flags = ['/char', 'signed', '/env', 'win32', '/Oicf']
return outdir, output, variables, flags
def _LanguageMatchesForPch(source_ext, pch_source_ext):
c_exts = ('.c',)
cc_exts = ('.cc', '.cxx', '.cpp')
return ((source_ext in c_exts and pch_source_ext in c_exts) or
(source_ext in cc_exts and pch_source_ext in cc_exts))
class PrecompiledHeader(object):
"""Helper to generate dependencies and build rules to handle generation of
precompiled headers. Interface matches the GCH handler in xcode_emulation.py.
"""
def __init__(self, settings, config, gyp_to_build_path):
self.settings = settings
self.config = config
self.gyp_to_build_path = gyp_to_build_path
def _PchHeader(self):
"""Get the header that will appear in an #include line for all source
files."""
return os.path.split(self.settings.msvs_precompiled_header[self.config])[1]
def _PchSource(self):
"""Get the source file that is built once to compile the pch data."""
return self.gyp_to_build_path(
self.settings.msvs_precompiled_source[self.config])
def _PchOutput(self):
"""Get the name of the output of the compiled pch data."""
return '${pchprefix}.' + self._PchHeader() + '.pch'
def GetObjDependencies(self, sources, objs):
"""Given a list of sources files and the corresponding object files,
returns a list of the pch files that should be depended upon. The
additional wrapping in the return value is for interface compatability
with make.py on Mac, and xcode_emulation.py."""
if not self._PchHeader():
return []
source = self._PchSource()
assert source
pch_ext = os.path.splitext(self._PchSource())[1]
for source in sources:
if _LanguageMatchesForPch(os.path.splitext(source)[1], pch_ext):
return [(None, None, self._PchOutput())]
return []
def GetPchBuildCommands(self):
"""Returns [(path_to_pch, language_flag, language, header)].
|path_to_gch| and |header| are relative to the build directory."""
header = self._PchHeader()
source = self._PchSource()
if not source or not header:
return []
ext = os.path.splitext(source)[1]
lang = 'c' if ext == '.c' else 'cc'
return [(self._PchOutput(), '/Yc' + header, lang, source)]
vs_version = None
def GetVSVersion(generator_flags):
global vs_version
if not vs_version:
vs_version = gyp.MSVSVersion.SelectVisualStudioVersion(
generator_flags.get('msvs_version', 'auto'))
return vs_version
def _GetVsvarsSetupArgs(generator_flags, arch):
vs = GetVSVersion(generator_flags)
return vs.SetupScript()
def ExpandMacros(string, expansions):
"""Expand $(Variable) per expansions dict. See MsvsSettings.GetVSMacroEnv
for the canonical way to retrieve a suitable dict."""
if '$' in string:
for old, new in expansions.iteritems():
assert '$(' not in new, new
string = string.replace(old, new)
return string
def _ExtractImportantEnvironment(output_of_set):
"""Extracts environment variables required for the toolchain to run from
a textual dump output by the cmd.exe 'set' command."""
envvars_to_save = (
'goma_.*', # TODO(scottmg): This is ugly, but needed for goma.
'include',
'lib',
'libpath',
'path',
'pathext',
'systemroot',
'temp',
'tmp',
)
env = {}
for line in output_of_set.splitlines():
for envvar in envvars_to_save:
if re.match(envvar + '=', line.lower()):
var, setting = line.split('=', 1)
if envvar == 'path':
# Our own rules (for running gyp-win-tool) and other actions in
# Chromium rely on python being in the path. Add the path to this
# python here so that if it's not in the path when ninja is run
# later, python will still be found.
setting = os.path.dirname(sys.executable) + os.pathsep + setting
env[var.upper()] = setting
break
for required in ('SYSTEMROOT', 'TEMP', 'TMP'):
if required not in env:
raise Exception('Environment variable "%s" '
'required to be set to valid path' % required)
return env
def _FormatAsEnvironmentBlock(envvar_dict):
"""Format as an 'environment block' directly suitable for CreateProcess.
Briefly this is a list of key=value\0, terminated by an additional \0. See
CreateProcess documentation for more details."""
block = ''
nul = '\0'
for key, value in envvar_dict.iteritems():
block += key + '=' + value + nul
block += nul
return block
def GenerateEnvironmentFiles(toplevel_build_dir, generator_flags, open_out):
"""It's not sufficient to have the absolute path to the compiler, linker,
etc. on Windows, as those tools rely on .dlls being in the PATH. We also
need to support both x86 and x64 compilers within the same build (to support
msvs_target_platform hackery). Different architectures require a different
compiler binary, and different supporting environment variables (INCLUDE,
LIB, LIBPATH). So, we extract the environment here, wrap all invocations
of compiler tools (cl, link, lib, rc, midl, etc.) via win_tool.py which
sets up the environment, and then we do not prefix the compiler with
an absolute path, instead preferring something like "cl.exe" in the rule
which will then run whichever the environment setup has put in the path."""
vs = GetVSVersion(generator_flags)
for arch in ('x86', 'x64'):
args = vs.SetupScript(arch)
args.extend(('&&', 'set'))
popen = subprocess.Popen(
args, shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
variables, _ = popen.communicate()
env = _ExtractImportantEnvironment(variables)
env_block = _FormatAsEnvironmentBlock(env)
f = open_out(os.path.join(toplevel_build_dir, 'environment.' + arch), 'wb')
f.write(env_block)
f.close()

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# This file comes from
# https://github.com/martine/ninja/blob/master/misc/ninja_syntax.py
# Do not edit! Edit the upstream one instead.
"""Python module for generating .ninja files.
Note that this is emphatically not a required piece of Ninja; it's
just a helpful utility for build-file-generation systems that already
use Python.
"""
import textwrap
import re
def escape_spaces(word):
return word.replace('$ ','$$ ').replace(' ','$ ')
class Writer(object):
def __init__(self, output, width=78):
self.output = output
self.width = width
def newline(self):
self.output.write('\n')
def comment(self, text):
for line in textwrap.wrap(text, self.width - 2):
self.output.write('# ' + line + '\n')
def variable(self, key, value, indent=0):
if value is None:
return
if isinstance(value, list):
value = ' '.join(filter(None, value)) # Filter out empty strings.
self._line('%s = %s' % (key, value), indent)
def rule(self, name, command, description=None, depfile=None,
generator=False, restat=False, rspfile=None,
rspfile_content=None):
self._line('rule %s' % name)
self.variable('command', command, indent=1)
if description:
self.variable('description', description, indent=1)
if depfile:
self.variable('depfile', depfile, indent=1)
if generator:
self.variable('generator', '1', indent=1)
if restat:
self.variable('restat', '1', indent=1)
if rspfile:
self.variable('rspfile', rspfile, indent=1)
if rspfile_content:
self.variable('rspfile_content', rspfile_content, indent=1)
def build(self, outputs, rule, inputs=None, implicit=None, order_only=None,
variables=None):
outputs = self._as_list(outputs)
all_inputs = self._as_list(inputs)[:]
out_outputs = list(map(escape_spaces, outputs))
all_inputs = list(map(escape_spaces, all_inputs))
if implicit:
implicit = map(escape_spaces, self._as_list(implicit))
all_inputs.append('|')
all_inputs.extend(implicit)
if order_only:
order_only = map(escape_spaces, self._as_list(order_only))
all_inputs.append('||')
all_inputs.extend(order_only)
self._line('build %s: %s %s' % (' '.join(out_outputs),
rule,
' '.join(all_inputs)))
if variables:
if isinstance(variables, dict):
iterator = variables.iteritems()
else:
iterator = iter(variables)
for key, val in iterator:
self.variable(key, val, indent=1)
return outputs
def include(self, path):
self._line('include %s' % path)
def subninja(self, path):
self._line('subninja %s' % path)
def default(self, paths):
self._line('default %s' % ' '.join(self._as_list(paths)))
def _count_dollars_before_index(self, s, i):
"""Returns the number of '$' characters right in front of s[i]."""
dollar_count = 0
dollar_index = i - 1
while dollar_index > 0 and s[dollar_index] == '$':
dollar_count += 1
dollar_index -= 1
return dollar_count
def _line(self, text, indent=0):
"""Write 'text' word-wrapped at self.width characters."""
leading_space = ' ' * indent
while len(leading_space) + len(text) > self.width:
# The text is too wide; wrap if possible.
# Find the rightmost space that would obey our width constraint and
# that's not an escaped space.
available_space = self.width - len(leading_space) - len(' $')
space = available_space
while True:
space = text.rfind(' ', 0, space)
if space < 0 or \
self._count_dollars_before_index(text, space) % 2 == 0:
break
if space < 0:
# No such space; just use the first unescaped space we can find.
space = available_space - 1
while True:
space = text.find(' ', space + 1)
if space < 0 or \
self._count_dollars_before_index(text, space) % 2 == 0:
break
if space < 0:
# Give up on breaking.
break
self.output.write(leading_space + text[0:space] + ' $\n')
text = text[space+1:]
# Subsequent lines are continuations, so indent them.
leading_space = ' ' * (indent+2)
self.output.write(leading_space + text + '\n')
def _as_list(self, input):
if input is None:
return []
if isinstance(input, list):
return input
return [input]
def escape(string):
"""Escape a string such that it can be embedded into a Ninja file without
further interpretation."""
assert '\n' not in string, 'Ninja syntax does not allow newlines'
# We only have one special metacharacter: '$'.
return string.replace('$', '$$')

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#!/usr/bin/env python
# Copyright (c) 2011 Google Inc. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""These functions are executed via gyp-sun-tool when using the Makefile
generator."""
import fcntl
import os
import struct
import subprocess
import sys
def main(args):
executor = SunTool()
executor.Dispatch(args)
class SunTool(object):
"""This class performs all the SunOS tooling steps. The methods can either be
executed directly, or dispatched from an argument list."""
def Dispatch(self, args):
"""Dispatches a string command to a method."""
if len(args) < 1:
raise Exception("Not enough arguments")
method = "Exec%s" % self._CommandifyName(args[0])
getattr(self, method)(*args[1:])
def _CommandifyName(self, name_string):
"""Transforms a tool name like copy-info-plist to CopyInfoPlist"""
return name_string.title().replace('-', '')
def ExecFlock(self, lockfile, *cmd_list):
"""Emulates the most basic behavior of Linux's flock(1)."""
# Rely on exception handling to report errors.
# Note that the stock python on SunOS has a bug
# where fcntl.flock(fd, LOCK_EX) always fails
# with EBADF, that's why we use this F_SETLK
# hack instead.
fd = os.open(lockfile, os.O_WRONLY|os.O_NOCTTY|os.O_CREAT, 0666)
op = struct.pack('hhllhhl', fcntl.F_WRLCK, 0, 0, 0, 0, 0, 0)
fcntl.fcntl(fd, fcntl.F_SETLK, op)
return subprocess.call(cmd_list)
if __name__ == '__main__':
sys.exit(main(sys.argv[1:]))

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#!/usr/bin/env python
# Copyright (c) 2011 Google Inc. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import os
import tempfile
import shutil
import subprocess
def TestCommands(commands, files={}, env={}):
"""Run commands in a temporary directory, returning true if they all succeed.
Return false on failures or if any commands produce output.
Arguments:
commands: an array of shell-interpretable commands, e.g. ['ls -l', 'pwd']
each will be expanded with Python %-expansion using env first.
files: a dictionary mapping filename to contents;
files will be created in the temporary directory before running
the command.
env: a dictionary of strings to expand commands with.
"""
tempdir = tempfile.mkdtemp()
try:
for name, contents in files.items():
f = open(os.path.join(tempdir, name), 'wb')
f.write(contents)
f.close()
for command in commands:
proc = subprocess.Popen(command % env, shell=True,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
cwd=tempdir)
output = proc.communicate()[0]
if proc.returncode != 0 or output:
return False
return True
finally:
shutil.rmtree(tempdir)
return False
def TestArSupportsT(ar_command='ar', cc_command='cc'):
"""Test whether 'ar' supports the 'T' flag."""
return TestCommands(['%(cc)s -c test.c',
'%(ar)s crsT test.a test.o',
'%(cc)s test.a'],
files={'test.c': 'int main(){}'},
env={'ar': ar_command, 'cc': cc_command})
def main():
# Run the various test functions and print the results.
def RunTest(description, function, **kwargs):
print "Testing " + description + ':',
if function(**kwargs):
print 'ok'
else:
print 'fail'
RunTest("ar 'T' flag", TestArSupportsT)
RunTest("ar 'T' flag with ccache", TestArSupportsT, cc_command='ccache cc')
return 0
if __name__ == '__main__':
sys.exit(main())

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#!/usr/bin/env python
# Copyright (c) 2012 Google Inc. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Utility functions for Windows builds.
These functions are executed via gyp-win-tool when using the ninja generator.
"""
import os
import shutil
import subprocess
import sys
import win32con
import win32file
import pywintypes
def main(args):
executor = WinTool()
exit_code = executor.Dispatch(args)
if exit_code is not None:
sys.exit(exit_code)
class LinkLock(object):
"""A flock-style lock to limit the number of concurrent links to one. Based on
http://code.activestate.com/recipes/65203-portalocker-cross-platform-posixnt-api-for-flock-s/
"""
def __enter__(self):
self.file = open('LinkLock', 'w+')
self.file_handle = win32file._get_osfhandle(self.file.fileno())
win32file.LockFileEx(self.file_handle, win32con.LOCKFILE_EXCLUSIVE_LOCK,
0, -0x10000, pywintypes.OVERLAPPED())
def __exit__(self, type, value, traceback):
win32file.UnlockFileEx(
self.file_handle, 0, -0x10000, pywintypes.OVERLAPPED())
self.file.close()
class WinTool(object):
"""This class performs all the Windows tooling steps. The methods can either
be executed directly, or dispatched from an argument list."""
def Dispatch(self, args):
"""Dispatches a string command to a method."""
if len(args) < 1:
raise Exception("Not enough arguments")
method = "Exec%s" % self._CommandifyName(args[0])
return getattr(self, method)(*args[1:])
def _CommandifyName(self, name_string):
"""Transforms a tool name like recursive-mirror to RecursiveMirror."""
return name_string.title().replace('-', '')
def _GetEnv(self, arch):
"""Gets the saved environment from a file for a given architecture."""
# The environment is saved as an "environment block" (see CreateProcess
# and msvs_emulation for details). We convert to a dict here.
# Drop last 2 NULs, one for list terminator, one for trailing vs. separator.
pairs = open(arch).read()[:-2].split('\0')
kvs = [item.split('=', 1) for item in pairs]
return dict(kvs)
def ExecStamp(self, path):
"""Simple stamp command."""
open(path, 'w').close()
def ExecRecursiveMirror(self, source, dest):
"""Emulation of rm -rf out && cp -af in out."""
if os.path.exists(dest):
if os.path.isdir(dest):
shutil.rmtree(dest)
else:
os.unlink(dest)
if os.path.isdir(source):
shutil.copytree(source, dest)
else:
shutil.copy2(source, dest)
def ExecLinkWrapper(self, arch, *args):
"""Filter diagnostic output from link that looks like:
' Creating library ui.dll.lib and object ui.dll.exp'
This happens when there are exports from the dll or exe.
"""
with LinkLock():
env = self._GetEnv(arch)
popen = subprocess.Popen(args, shell=True, env=env,
stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
out, _ = popen.communicate()
for line in out.splitlines():
if not line.startswith(' Creating library '):
print line
return popen.returncode
def ExecManifestWrapper(self, arch, *args):
"""Run manifest tool with environment set. Strip out undesirable warning
(some XML blocks are recognized by the OS loader, but not the manifest
tool)."""
env = self._GetEnv(arch)
popen = subprocess.Popen(args, shell=True, env=env,
stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
out, _ = popen.communicate()
for line in out.splitlines():
if line and 'manifest authoring warning 81010002' not in line:
print line
return popen.returncode
def ExecMidlWrapper(self, arch, outdir, tlb, h, dlldata, iid, proxy, idl,
*flags):
"""Filter noisy filenames output from MIDL compile step that isn't
quietable via command line flags.
"""
args = ['midl', '/nologo'] + list(flags) + [
'/out', outdir,
'/tlb', tlb,
'/h', h,
'/dlldata', dlldata,
'/iid', iid,
'/proxy', proxy,
idl]
env = self._GetEnv(arch)
popen = subprocess.Popen(args, shell=True, env=env,
stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
out, _ = popen.communicate()
# Filter junk out of stdout, and write filtered versions. Output we want
# to filter is pairs of lines that look like this:
# Processing C:\Program Files (x86)\Microsoft SDKs\...\include\objidl.idl
# objidl.idl
lines = out.splitlines()
prefix = 'Processing '
processing = set(os.path.basename(x) for x in lines if x.startswith(prefix))
for line in lines:
if not line.startswith(prefix) and line not in processing:
print line
return popen.returncode
def ExecAsmWrapper(self, arch, *args):
"""Filter logo banner from invocations of asm.exe."""
env = self._GetEnv(arch)
# MSVS doesn't assemble x64 asm files.
if arch == 'environment.x64':
return 0
popen = subprocess.Popen(args, shell=True, env=env,
stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
out, _ = popen.communicate()
for line in out.splitlines():
if (not line.startswith('Copyright (C) Microsoft Corporation') and
not line.startswith('Microsoft (R) Macro Assembler') and
not line.startswith(' Assembling: ') and
line):
print line
return popen.returncode
def ExecRcWrapper(self, arch, *args):
"""Filter logo banner from invocations of rc.exe. Older versions of RC
don't support the /nologo flag."""
env = self._GetEnv(arch)
popen = subprocess.Popen(args, shell=True, env=env,
stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
out, _ = popen.communicate()
for line in out.splitlines():
if (not line.startswith('Microsoft (R) Windows (R) Resource Compiler') and
not line.startswith('Copyright (C) Microsoft Corporation') and
line):
print line
return popen.returncode
def ExecClWrapper(self, arch, depname, *args):
"""Runs cl.exe and filters output through ninja-deplist-helper to get
dependendency information which is stored in |depname|."""
env = self._GetEnv(arch)
args = ' '.join(args) + \
'| ninja-deplist-helper -r . -q -f cl -o ' + depname + '"'
popen = subprocess.Popen(args, shell=True, env=env)
popen.wait()
return popen.returncode
def ExecActionWrapper(self, arch, rspfile, *dir):
"""Runs an action command line from a response file using the environment
for |arch|. If |dir| is supplied, use that as the working directory."""
env = self._GetEnv(arch)
args = open(rspfile).read()
dir = dir[0] if dir else None
popen = subprocess.Popen(args, shell=True, env=env, cwd=dir)
popen.wait()
return popen.returncode
if __name__ == '__main__':
sys.exit(main(sys.argv[1:]))

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# Copyright (c) 2011 Google Inc. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Applies a fix to CR LF TAB handling in xml.dom.
Fixes this: http://code.google.com/p/chromium/issues/detail?id=76293
Working around this: http://bugs.python.org/issue5752
TODO(bradnelson): Consider dropping this when we drop XP support.
"""
import xml.dom.minidom
def _Replacement_write_data(writer, data, is_attrib=False):
"""Writes datachars to writer."""
data = data.replace("&", "&amp;").replace("<", "&lt;")
data = data.replace("\"", "&quot;").replace(">", "&gt;")
if is_attrib:
data = data.replace(
"\r", "&#xD;").replace(
"\n", "&#xA;").replace(
"\t", "&#x9;")
writer.write(data)
def _Replacement_writexml(self, writer, indent="", addindent="", newl=""):
# indent = current indentation
# addindent = indentation to add to higher levels
# newl = newline string
writer.write(indent+"<" + self.tagName)
attrs = self._get_attributes()
a_names = attrs.keys()
a_names.sort()
for a_name in a_names:
writer.write(" %s=\"" % a_name)
_Replacement_write_data(writer, attrs[a_name].value, is_attrib=True)
writer.write("\"")
if self.childNodes:
writer.write(">%s" % newl)
for node in self.childNodes:
node.writexml(writer, indent + addindent, addindent, newl)
writer.write("%s</%s>%s" % (indent, self.tagName, newl))
else:
writer.write("/>%s" % newl)
class XmlFix(object):
"""Object to manage temporary patching of xml.dom.minidom."""
def __init__(self):
# Preserve current xml.dom.minidom functions.
self.write_data = xml.dom.minidom._write_data
self.writexml = xml.dom.minidom.Element.writexml
# Inject replacement versions of a function and a method.
xml.dom.minidom._write_data = _Replacement_write_data
xml.dom.minidom.Element.writexml = _Replacement_writexml
def Cleanup(self):
if self.write_data:
xml.dom.minidom._write_data = self.write_data
xml.dom.minidom.Element.writexml = self.writexml
self.write_data = None
def __del__(self):
self.Cleanup()

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[MASTER]
# Specify a configuration file.
#rcfile=
# Python code to execute, usually for sys.path manipulation such as
# pygtk.require().
#init-hook=
# Profiled execution.
profile=no
# Add files or directories to the blacklist. They should be base names, not
# paths.
ignore=CVS
# Pickle collected data for later comparisons.
persistent=yes
# List of plugins (as comma separated values of python modules names) to load,
# usually to register additional checkers.
load-plugins=
[MESSAGES CONTROL]
# Enable the message, report, category or checker with the given id(s). You can
# either give multiple identifier separated by comma (,) or put this option
# multiple time.
#enable=
# Disable the message, report, category or checker with the given id(s). You
# can either give multiple identifier separated by comma (,) or put this option
# multiple time (only on the command line, not in the configuration file where
# it should appear only once).
# C0103: Invalid name "NN" (should match [a-z_][a-z0-9_]{2,30}$)
# C0111: Missing docstring
# C0302: Too many lines in module (NN)
# R0902: Too many instance attributes (N/7)
# R0903: Too few public methods (N/2)
# R0904: Too many public methods (NN/20)
# R0912: Too many branches (NN/12)
# R0913: Too many arguments (N/5)
# R0914: Too many local variables (NN/15)
# R0915: Too many statements (NN/50)
# W0141: Used builtin function 'map'
# W0142: Used * or ** magic
# W0232: Class has no __init__ method
# W0511: TODO
# W0603: Using the global statement
#
# These should be enabled eventually:
# C0112: Empty docstring
# C0301: Line too long (NN/80)
# C0321: More than one statement on single line
# C0322: Operator not preceded by a space
# C0323: Operator not followed by a space
# C0324: Comma not followed by a space
# E0101: Explicit return in __init__
# E0102: function already defined line NN
# E1002: Use of super on an old style class
# E1101: Instance of 'XX' has no 'YY' member
# E1103: Instance of 'XX' has no 'XX' member (but some types could not be inferred)
# E0602: Undefined variable 'XX'
# F0401: Unable to import 'XX'
# R0201: Method could be a function
# R0801: Similar lines in N files
# W0102: Dangerous default value {} as argument
# W0104: Statement seems to have no effect
# W0105: String statement has no effect
# W0108: Lambda may not be necessary
# W0201: Attribute 'XX' defined outside __init__
# W0212: Access to a protected member XX of a client class
# W0221: Arguments number differs from overridden method
# W0223: Method 'XX' is abstract in class 'YY' but is not overridden
# W0231: __init__ method from base class 'XX' is not called
# W0301: Unnecessary semicolon
# W0311: Bad indentation. Found NN spaces, expected NN
# W0401: Wildcard import XX
# W0402: Uses of a deprecated module 'string'
# W0403: Relative import 'XX', should be 'YY.XX'
# W0404: Reimport 'XX' (imported line NN)
# W0601: Global variable 'XX' undefined at the module level
# W0602: Using global for 'XX' but no assignment is done
# W0611: Unused import pprint
# W0612: Unused variable 'XX'
# W0613: Unused argument 'XX'
# W0614: Unused import XX from wildcard import
# W0621: Redefining name 'XX' from outer scope (line NN)
# W0622: Redefining built-in 'NN'
# W0631: Using possibly undefined loop variable 'XX'
# W0701: Raising a string exception
# W0702: No exception type(s) specified
disable=C0103,C0111,C0302,R0902,R0903,R0904,R0912,R0913,R0914,R0915,W0141,W0142,W0232,W0511,W0603,C0112,C0301,C0321,C0322,C0323,C0324,E0101,E0102,E1002,E1101,E1103,E0602,F0401,R0201,R0801,W0102,W0104,W0105,W0108,W0201,W0212,W0221,W0223,W0231,W0301,W0311,W0401,W0402,W0403,W0404,W0601,W0602,W0611,W0612,W0613,W0614,W0621,W0622,W0631,W0701,W0702
[REPORTS]
# Set the output format. Available formats are text, parseable, colorized, msvs
# (visual studio) and html
output-format=text
# Include message's id in output
include-ids=yes
# Put messages in a separate file for each module / package specified on the
# command line instead of printing them on stdout. Reports (if any) will be
# written in a file name "pylint_global.[txt|html]".
files-output=no
# Tells whether to display a full report or only the messages
reports=no
# Python expression which should return a note less than 10 (10 is the highest
# note). You have access to the variables errors warning, statement which
# respectively contain the number of errors / warnings messages and the total
# number of statements analyzed. This is used by the global evaluation report
# (RP0004).
evaluation=10.0 - ((float(5 * error + warning + refactor + convention) / statement) * 10)
# Add a comment according to your evaluation note. This is used by the global
# evaluation report (RP0004).
comment=no
[VARIABLES]
# Tells whether we should check for unused import in __init__ files.
init-import=no
# A regular expression matching the beginning of the name of dummy variables
# (i.e. not used).
dummy-variables-rgx=_|dummy
# List of additional names supposed to be defined in builtins. Remember that
# you should avoid to define new builtins when possible.
additional-builtins=
[TYPECHECK]
# Tells whether missing members accessed in mixin class should be ignored. A
# mixin class is detected if its name ends with "mixin" (case insensitive).
ignore-mixin-members=yes
# List of classes names for which member attributes should not be checked
# (useful for classes with attributes dynamically set).
ignored-classes=SQLObject
# When zope mode is activated, add a predefined set of Zope acquired attributes
# to generated-members.
zope=no
# List of members which are set dynamically and missed by pylint inference
# system, and so shouldn't trigger E0201 when accessed. Python regular
# expressions are accepted.
generated-members=REQUEST,acl_users,aq_parent
[MISCELLANEOUS]
# List of note tags to take in consideration, separated by a comma.
notes=FIXME,XXX,TODO
[SIMILARITIES]
# Minimum lines number of a similarity.
min-similarity-lines=4
# Ignore comments when computing similarities.
ignore-comments=yes
# Ignore docstrings when computing similarities.
ignore-docstrings=yes
[FORMAT]
# Maximum number of characters on a single line.
max-line-length=80
# Maximum number of lines in a module
max-module-lines=1000
# String used as indentation unit. This is usually " " (4 spaces) or "\t" (1
# tab).
indent-string=' '
[BASIC]
# Required attributes for module, separated by a comma
required-attributes=
# List of builtins function names that should not be used, separated by a comma
bad-functions=map,filter,apply,input
# Regular expression which should only match correct module names
module-rgx=(([a-z_][a-z0-9_]*)|([A-Z][a-zA-Z0-9]+))$
# Regular expression which should only match correct module level names
const-rgx=(([A-Z_][A-Z0-9_]*)|(__.*__))$
# Regular expression which should only match correct class names
class-rgx=[A-Z_][a-zA-Z0-9]+$
# Regular expression which should only match correct function names
function-rgx=[a-z_][a-z0-9_]{2,30}$
# Regular expression which should only match correct method names
method-rgx=[a-z_][a-z0-9_]{2,30}$
# Regular expression which should only match correct instance attribute names
attr-rgx=[a-z_][a-z0-9_]{2,30}$
# Regular expression which should only match correct argument names
argument-rgx=[a-z_][a-z0-9_]{2,30}$
# Regular expression which should only match correct variable names
variable-rgx=[a-z_][a-z0-9_]{2,30}$
# Regular expression which should only match correct list comprehension /
# generator expression variable names
inlinevar-rgx=[A-Za-z_][A-Za-z0-9_]*$
# Good variable names which should always be accepted, separated by a comma
good-names=i,j,k,ex,Run,_
# Bad variable names which should always be refused, separated by a comma
bad-names=foo,bar,baz,toto,tutu,tata
# Regular expression which should only match functions or classes name which do
# not require a docstring
no-docstring-rgx=__.*__
[DESIGN]
# Maximum number of arguments for function / method
max-args=5
# Argument names that match this expression will be ignored. Default to name
# with leading underscore
ignored-argument-names=_.*
# Maximum number of locals for function / method body
max-locals=15
# Maximum number of return / yield for function / method body
max-returns=6
# Maximum number of branch for function / method body
max-branchs=12
# Maximum number of statements in function / method body
max-statements=50
# Maximum number of parents for a class (see R0901).
max-parents=7
# Maximum number of attributes for a class (see R0902).
max-attributes=7
# Minimum number of public methods for a class (see R0903).
min-public-methods=2
# Maximum number of public methods for a class (see R0904).
max-public-methods=20
[CLASSES]
# List of interface methods to ignore, separated by a comma. This is used for
# instance to not check methods defines in Zope's Interface base class.
ignore-iface-methods=isImplementedBy,deferred,extends,names,namesAndDescriptions,queryDescriptionFor,getBases,getDescriptionFor,getDoc,getName,getTaggedValue,getTaggedValueTags,isEqualOrExtendedBy,setTaggedValue,isImplementedByInstancesOf,adaptWith,is_implemented_by
# List of method names used to declare (i.e. assign) instance attributes.
defining-attr-methods=__init__,__new__,setUp
# List of valid names for the first argument in a class method.
valid-classmethod-first-arg=cls
[IMPORTS]
# Deprecated modules which should not be used, separated by a comma
deprecated-modules=regsub,string,TERMIOS,Bastion,rexec
# Create a graph of every (i.e. internal and external) dependencies in the
# given file (report RP0402 must not be disabled)
import-graph=
# Create a graph of external dependencies in the given file (report RP0402 must
# not be disabled)
ext-import-graph=
# Create a graph of internal dependencies in the given file (report RP0402 must
# not be disabled)
int-import-graph=
[EXCEPTIONS]
# Exceptions that will emit a warning when being caught. Defaults to
# "Exception"
overgeneral-exceptions=Exception

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#!/usr/bin/env python
# Copyright (c) 2009 Google Inc. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
from distutils.core import setup
from distutils.command.install import install
from distutils.command.install_lib import install_lib
from distutils.command.install_scripts import install_scripts
setup(
name='gyp',
version='0.1',
description='Generate Your Projects',
author='Chromium Authors',
author_email='chromium-dev@googlegroups.com',
url='http://code.google.com/p/gyp',
package_dir = {'': 'pylib'},
packages=['gyp', 'gyp.generator'],
scripts = ['gyp'],
cmdclass = {'install': install,
'install_lib': install_lib,
'install_scripts': install_scripts},
)