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Refactor AskPluginLoad() to contain its own error state.

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This commit is contained in:
David Anderson 2015-09-17 14:10:48 -07:00
parent 5eec2e7d6d
commit 5f19fc036d
2 changed files with 29 additions and 63 deletions
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83
core/logic/PluginSys.cpp
View File

@ -368,50 +368,40 @@ void CPlugin::Call_OnAllPluginsLoaded()
}
}
APLRes CPlugin::Call_AskPluginLoad(char *error, size_t maxlength)
APLRes CPlugin::AskPluginLoad()
{
if (m_status != Plugin_Created)
{
return APLRes_Failure;
}
assert(m_status == Plugin_Created);
m_status = Plugin_Loaded;
bool haveNewAPL = true;
IPluginFunction *pFunction = m_pRuntime->GetFunctionByName("AskPluginLoad2");
if (!pFunction) {
pFunction = m_pRuntime->GetFunctionByName("AskPluginLoad");
if (!pFunction)
return APLRes_Success;
haveNewAPL = false;
}
int err;
cell_t result;
bool haveNewAPL = false;
IPluginFunction *pFunction = m_pRuntime->GetFunctionByName("AskPluginLoad2");
if (pFunction)
{
haveNewAPL = true;
}
else if (!(pFunction = m_pRuntime->GetFunctionByName("AskPluginLoad")))
{
return APLRes_Success;
}
pFunction->PushCell(m_handle);
pFunction->PushCell(g_PluginSys.IsLateLoadTime() ? 1 : 0);
pFunction->PushStringEx(error, maxlength, 0, SM_PARAM_COPYBACK);
pFunction->PushCell(maxlength);
if ((err=pFunction->Execute(&result)) != SP_ERROR_NONE)
{
pFunction->PushStringEx(m_errormsg, sizeof(m_errormsg), 0, SM_PARAM_COPYBACK);
pFunction->PushCell(sizeof(m_errormsg));
if ((err = pFunction->Execute(&result)) != SP_ERROR_NONE) {
SetErrorState(Plugin_Failed, "unexpected error %d in AskPluginLoad callback", err);
return APLRes_Failure;
}
if (haveNewAPL)
{
return (APLRes)result;
}
else if (result)
{
return APLRes_Success;
}
else
{
return APLRes_Failure;
APLRes res = haveNewAPL
? (APLRes)result
: (result ? APLRes_Success : APLRes_Failure);
if (res != APLRes_Success) {
m_status = Plugin_Failed;
if (res == APLRes_SilentFailure)
m_SilentFailure = true;
}
return res;
}
void CPlugin::Call_OnLibraryAdded(const char *lib)
@ -524,11 +514,6 @@ bool CPlugin::IsDebugging()
return true;
}
void CPlugin::SetSilentlyFailed()
{
m_SilentFailure = true;
}
void CPlugin::LibraryActions(LibraryAction action)
{
List<String>::iterator iter;
@ -923,25 +908,11 @@ LoadRes CPluginManager::LoadPlugin(CPlugin **aResult, const char *path, bool deb
if (plugin->GetStatus() != Plugin_Created)
return LoadRes_Failure;
APLRes result = plugin->Call_AskPluginLoad(error, maxlength);
switch (result)
{
case APLRes_Success:
if (plugin->AskPluginLoad() != APLRes_Success)
return LoadRes_Failure;
LoadExtensions(plugin);
return LoadRes_Successful;
case APLRes_Failure:
plugin->SetErrorState(Plugin_Failed, "%s", error);
return LoadRes_Failure;
case APLRes_SilentFailure:
plugin->SetErrorState(Plugin_Failed, "%s", error);
plugin->SetSilentlyFailed();
return LoadRes_SilentFailure;
default:
return LoadRes_Failure;
}
}
IPlugin *CPluginManager::LoadPlugin(const char *path, bool debug, PluginType type, char error[], size_t maxlength, bool *wasloaded)
@ -1009,7 +980,7 @@ void CPluginManager::LoadAutoPlugin(const char *plugin)
error);
}
if (res == LoadRes_Successful || res == LoadRes_Failure || res == LoadRes_SilentFailure)
if (res == LoadRes_Successful || res == LoadRes_Failure)
{
AddPlugin(pl);
}

9
core/logic/PluginSys.h
View File

@ -114,7 +114,6 @@ enum LoadRes
LoadRes_Successful,
LoadRes_AlreadyLoaded,
LoadRes_Failure,
LoadRes_SilentFailure,
LoadRes_NeverLoad
};
@ -143,7 +142,6 @@ public:
bool IsDebugging();
PluginStatus GetStatus();
bool IsSilentlyFailed();
void SetSilentlyFailed();
const sm_plugininfo_t *GetPublicInfo();
bool SetPauseState(bool paused);
unsigned int GetSerial();
@ -194,12 +192,9 @@ public:
/**
* Calls the OnPluginLoad function, and sets any failed states if necessary.
* NOTE: Valid pre-states are: Plugin_Created
* NOTE: If validated, plugin state is changed to Plugin_Loaded
*
* If the error buffer is NULL, the error message is cached locally.
* After invoking AskPluginLoad, its state is either Running or Failed.
*/
APLRes Call_AskPluginLoad(char *error, size_t maxlength);
APLRes AskPluginLoad();
/**
* Calls the OnPluginStart function.