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// Copyright (C) 2018 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "qv4stackframe_p.h"
#include <private/qv4qobjectwrapper_p.h>
#include <QtCore/qstring.h>
using namespace QV4;
QString CppStackFrame::source() const
{
return v4Function ? v4Function->sourceFile() : QString();
}
QString CppStackFrame::function() const
{
return v4Function ? v4Function->name()->toQString() : QString();
}
int CppStackFrame::lineNumber() const
{
if (!v4Function)
return -1;
auto findLine = [](const CompiledData::CodeOffsetToLine &entry, uint offset) {
return entry.codeOffset < offset;
};
const QV4::CompiledData::Function *cf = v4Function->compiledFunction;
uint offset = instructionPointer;
const CompiledData::CodeOffsetToLine *lineNumbers = cf->lineNumberTable();
uint nLineNumbers = cf->nLineNumbers;
const CompiledData::CodeOffsetToLine *line = std::lower_bound(lineNumbers, lineNumbers + nLineNumbers, offset, findLine) - 1;
return line->line;
}
ReturnedValue QV4::CppStackFrame::thisObject() const
{
if (isJSTypesFrame())
return static_cast<const JSTypesStackFrame *>(this)->thisObject();
Q_ASSERT(isMetaTypesFrame());
const auto metaTypesFrame = static_cast<const MetaTypesStackFrame *>(this);
return QObjectWrapper::wrap(metaTypesFrame->context()->engine(), metaTypesFrame->thisObject());
}
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