glslastdump.cpp

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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
 
#include "glslastdump_p.h"
#include <QTextStream>
 
#include <typeinfo>
 
#ifdef Q_CC_GNU
#  include <cxxabi.h>
#endif
 
QT_BEGIN_NAMESPACE
 
using namespace GLSL;
 
ASTDump::ASTDump(QTextStream &out)
    : out(out), _depth(0)
{
}
 
void ASTDump::operator()(AST *ast)
{
    _depth = 0;
    accept(ast);
}
 
bool ASTDump::preVisit(AST *ast)
{
    const char *id = typeid(*ast).name();
#ifdef Q_CC_GNU
    char *cppId = abi::__cxa_demangle(id, nullptr, nullptr, nullptr);
    id = cppId;
#endif
    out << QByteArray(_depth, ' ') << id << '\n';
#ifdef Q_CC_GNU
    free(cppId);
#endif
    ++_depth;
    return true;
}
 
void ASTDump::postVisit(AST *)
{
    --_depth;
}
 
QT_END_NAMESPACE