sourcemod/core/logic/DebugReporter.cpp
2020-05-31 11:35:51 -07:00

247 lines
6.8 KiB
C++

/**
* vim: set ts=4 sw=4 tw=99 noet :
* =============================================================================
* SourceMod
* Copyright (C) 2004-2008 AlliedModders LLC. All rights reserved.
* =============================================================================
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, version 3.0, as published by the
* Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*
* As a special exception, AlliedModders LLC gives you permission to link the
* code of this program (as well as its derivative works) to "Half-Life 2," the
* "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
* by the Valve Corporation. You must obey the GNU General Public License in
* all respects for all other code used. Additionally, AlliedModders LLC grants
* this exception to all derivative works. AlliedModders LLC defines further
* exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
* or <http://www.sourcemod.net/license.php>.
*
* Version: $Id$
*/
#include <ISourceMod.h>
#include <IPluginSys.h>
#include <stdarg.h>
#include "DebugReporter.h"
#include "Logger.h"
DebugReport g_DbgReporter;
void DebugReport::OnSourceModAllInitialized()
{
g_pSourcePawn->SetDebugListener(this);
}
void DebugReport::OnDebugSpew(const char *msg, ...)
{
va_list ap;
char buffer[512];
va_start(ap, msg);
ke::SafeVsprintf(buffer, sizeof(buffer), msg, ap);
va_end(ap);
g_Logger.LogMessage("[SM] %s", buffer);
}
void DebugReport::GenerateError(IPluginContext *ctx, cell_t func_idx, int err, const char *message, ...)
{
va_list ap;
va_start(ap, message);
GenerateErrorVA(ctx, func_idx, err, message, ap);
va_end(ap);
}
void DebugReport::GenerateErrorVA(IPluginContext *ctx, cell_t func_idx, int err, const char *message, va_list ap)
{
char buffer[512];
ke::SafeVsprintf(buffer, sizeof(buffer), message, ap);
const char *plname = pluginsys->FindPluginByContext(ctx->GetContext())->GetFilename();
const char *error = g_pSourcePawn2->GetErrorString(err);
if (error)
{
g_Logger.LogError("[SM] Plugin \"%s\" encountered error %d: %s", plname, err, error);
} else {
g_Logger.LogError("[SM] Plugin \"%s\" encountered unknown error %d", plname, err);
}
g_Logger.LogError("[SM] %s", buffer);
if (func_idx != -1)
{
if (func_idx & 1)
{
func_idx >>= 1;
sp_public_t *function;
if (ctx->GetRuntime()->GetPublicByIndex(func_idx, &function) == SP_ERROR_NONE)
{
g_Logger.LogError("[SM] Unable to call function \"%s\" due to above error(s).", function->name);
}
}
}
}
void DebugReport::GenerateCodeError(IPluginContext *pContext, uint32_t code_addr, int err, const char *message, ...)
{
va_list ap;
char buffer[512];
va_start(ap, message);
ke::SafeVsprintf(buffer, sizeof(buffer), message, ap);
va_end(ap);
const char *plname = pluginsys->FindPluginByContext(pContext->GetContext())->GetFilename();
const char *error = g_pSourcePawn2->GetErrorString(err);
if (error)
{
g_Logger.LogError("[SM] Plugin \"%s\" encountered error %d: %s", plname, err, error);
} else {
g_Logger.LogError("[SM] Plugin \"%s\" encountered unknown error %d", plname, err);
}
g_Logger.LogError("[SM] %s", buffer);
IPluginDebugInfo *pDebug;
if ((pDebug = pContext->GetRuntime()->GetDebugInfo()) == NULL)
{
g_Logger.LogError("[SM] Debug mode is not enabled for \"%s\"", plname);
g_Logger.LogError("[SM] To enable debug mode, edit plugin_settings.cfg, or type: sm plugins debug %d on",
_GetPluginIndex(pContext));
return;
}
const char *name;
if (pDebug->LookupFunction(code_addr, &name) == SP_ERROR_NONE)
{
g_Logger.LogError("[SM] Unable to call function \"%s\" due to above error(s).", name);
} else {
g_Logger.LogError("[SM] Unable to call function (name unknown, address \"%x\").", code_addr);
}
}
int DebugReport::_GetPluginIndex(IPluginContext *ctx)
{
int id = 1;
IPluginIterator *iter = pluginsys->GetPluginIterator();
for (; iter->MorePlugins(); iter->NextPlugin(), id++)
{
IPlugin *pl = iter->GetPlugin();
if (pl->GetBaseContext() == ctx)
{
iter->Release();
return id;
}
}
iter->Release();
/* If we don't know which plugin this is, it's one being loaded. Fake its index for now. */
return pluginsys->GetPluginCount() + 1;
}
void DebugReport::ReportError(const IErrorReport &report, IFrameIterator &iter)
{
// Don't log an error if a function wasn't runnable.
// This is necassary due to the way SM is handling and exposing
// scripted functions. It's too late to change that now.
if (report.Code() == SP_ERROR_NOT_RUNNABLE)
return;
const char *blame = nullptr;
if (report.Blame())
{
blame = report.Blame()->DebugName();
} else {
// Find the nearest plugin to blame.
for (; !iter.Done(); iter.Next())
{
if (iter.IsScriptedFrame())
{
IPlugin *plugin = pluginsys->FindPluginByContext(iter.Context()->GetContext());
if (plugin)
{
blame = plugin->GetFilename();
} else {
blame = iter.Context()->GetRuntime()->GetFilename();
}
break;
}
}
}
iter.Reset();
g_Logger.LogError("[SM] Exception reported: %s", report.Message());
if (blame)
{
g_Logger.LogError("[SM] Blaming: %s", blame);
}
std::vector<std::string> arr = GetStackTrace(&iter);
for (size_t i = 0; i < arr.size(); i++)
{
g_Logger.LogError("%s", arr[i].c_str());
}
}
std::vector<std::string> DebugReport::GetStackTrace(IFrameIterator *iter)
{
char temp[3072];
std::vector<std::string> trace;
iter->Reset();
if (!iter->Done())
{
trace.push_back("[SM] Call stack trace:");
for (int index = 0; !iter->Done(); iter->Next(), index++)
{
const char *fn = iter->FunctionName();
if (!fn)
{
fn = "<unknown function>";
}
if (iter->IsNativeFrame())
{
g_pSM->Format(temp, sizeof(temp), "[SM] [%d] %s", index, fn);
trace.push_back(temp);
continue;
}
if (iter->IsScriptedFrame())
{
const char *file = iter->FilePath();
if (!file)
{
file = "<unknown>";
}
g_pSM->Format(temp, sizeof(temp), "[SM] [%d] Line %d, %s::%s",
index,
iter->LineNumber(),
file,
fn);
trace.push_back(temp);
}
}
}
return trace;
}