void CachegrindLoader::setCalledFunction(const QString& name)
{
// if called object/file not set, use current object/file
if (!currentCalledObject) {
currentCalledObject = currentObject;
currentCalledPartObject = currentPartObject;
}
if (!currentCalledFile) {
// !=0 as functions needs file
currentCalledFile = currentFile;
currentCalledPartFile = currentPartFile;
}
currentCalledFunction = compressedFunction(name,
currentCalledFile,
currentCalledObject);
if (!currentCalledFunction) {
error(QStringLiteral("Invalid called function, setting to unknown"));
currentCalledFunction = _data->function(_emptyString,
currentCalledFile,
currentCalledObject);
}
currentCalledPartFunction =
currentCalledFunction->partFunction(_part,
currentCalledPartFile,
currentCalledPartObject);
}
void CachegrindLoader::setFunction(const QString& name)
{
ensureFile();
ensureObject();
currentFunction = compressedFunction( name,
currentFile,
currentObject);
if (!currentFunction) {
error(QStringLiteral("Invalid function specification, setting to unknown"));
currentFunction = _data->function(_emptyString,
currentFile,
currentObject);
}
currentPartFunction = currentFunction->partFunction(_part,
currentPartFile,
currentPartObject);
currentFunctionSource = 0;
currentLine = 0;
currentPartLine = 0;
}
// make sure that a valid function is set, at least dummy with empty name
void CachegrindLoader::ensureFunction()
{
if (currentFunction) return;
error(QStringLiteral("Function not specified, setting to unknown"));
ensureFile();
ensureObject();
currentFunction = _data->function(_emptyString,
currentFile,
currentObject);
currentPartFunction = currentFunction->partFunction(_part,
currentPartFile,
currentPartObject);
}
// Note: Callgrind gives different IDs even for same function
// when parts of the function are from different source files.
// Thus, it is no error when multiple indexes map to same function.
TraceFunction* CachegrindLoader::compressedFunction(const QString& name,
TraceFile* file,
TraceObject* object)
{
if ((name[0] != '(') || !name[1].isDigit())
return _data->function(checkUnknown(name), file, object);
// compressed format using _functionVector
int p = name.indexOf(')');
if (p<2) {
error(QStringLiteral("Invalid compressed function ('%1')").arg(name));
return 0;
}
int index = name.midRef(1, p-1).toUInt();
TraceFunction* f = 0;
p++;
while((name.length()>p) && name.at(p).isSpace()) p++;
if (name.length()>p) {
if (_functionVector.size() <= index) {
int newSize = index * 2;
#if TRACE_LOADER
qDebug() << " CachegrindLoader::functionVector enlarged to "
<< newSize;
#endif
_functionVector.resize(newSize);
}
QString realName = checkUnknown(name.mid(p));
f = (TraceFunction*) _functionVector.at(index);
if (f && (f->name() != realName)) {
error(QStringLiteral("Redefinition of compressed function index %1 (was '%2') to %3")
.arg(index).arg(f->name()).arg(realName));
}
f = _data->function(realName, file, object);
_functionVector.replace(index, f);
#if TRACE_LOADER
qDebug() << "compressedFunction: Inserted at Index " << index
<< "\n " << f->fullName()
<< "\n in " << f->cls()->fullName()
<< "\n in " << f->file()->fullName()
<< "\n in " << f->object()->fullName();
#endif
}
else {
if ((_functionVector.size() <= index) ||
( (f=(TraceFunction*)_functionVector.at(index)) == 0)) {
error(QStringLiteral("Undefined compressed function index %1").arg(index));
return 0;
}
// there was a check if the used function (returned from KCachegrinds
// model) has the same object and file as here given to us, but that was wrong:
// that holds only if we make this assumption on the model...
}
return f;
}
