Exemplo n.º 1
0
status_t
TeamDebugInfo::LoadSourceCode(LocatableFile* file, FileSourceCode*& _sourceCode)
{
	AutoLocker<BLocker> locker(fLock);

	// If we don't know the source file, there's nothing we can do.
	SourceFileEntry* entry = fSourceFiles->Lookup(file);
	if (entry == NULL)
		return B_ENTRY_NOT_FOUND;

	// the source might already be loaded
	FileSourceCode* sourceCode = entry->GetSourceCode();
	if (sourceCode != NULL) {
		sourceCode->AcquireReference();
		_sourceCode = sourceCode;
		return B_OK;
	}

	// get the source language from some function's image debug info
	Function* function = entry->FunctionAt(0);
	if (function == NULL)
		return B_ENTRY_NOT_FOUND;

	FunctionDebugInfo* functionDebugInfo
		= function->FirstInstance()->GetFunctionDebugInfo();
	SourceLanguage* language;
	status_t error = functionDebugInfo->GetSpecificImageDebugInfo()
		->GetSourceLanguage(functionDebugInfo, language);
	if (error != B_OK)
		return error;
	BReference<SourceLanguage> languageReference(language, true);

	// no source code yet
//	locker.Unlock();
	// TODO: It would be nice to unlock here, but we need to iterate through
	// the images below. We could clone the list, acquire references, and
	// unlock. Then we have to compare the list with the then current list when
	// we're done loading.

	// load the source file
	SourceFile* sourceFile;
	error = fFileManager->LoadSourceFile(file, sourceFile);
	if (error != B_OK)
		return error;

	// create the source code
	sourceCode = new(std::nothrow) FileSourceCode(file, sourceFile, language);
	sourceFile->ReleaseReference();
	if (sourceCode == NULL)
		return B_NO_MEMORY;
	BReference<FileSourceCode> sourceCodeReference(sourceCode, true);

	error = sourceCode->Init();
	if (error != B_OK)
		return error;

	// Iterate through all images that know the source file and ask them to add
	// information.
	bool anyInfo = false;
	for (int32 i = 0; ImageDebugInfo* imageDebugInfo = fImages.ItemAt(i); i++)
		anyInfo |= imageDebugInfo->AddSourceCodeInfo(file, sourceCode) == B_OK;

	if (!anyInfo)
		return B_ENTRY_NOT_FOUND;

	entry->SetSourceCode(sourceCode);

	_sourceCode = sourceCodeReference.Detach();
	return B_OK;
}