Commit 963db49a authored by Roberto Raggi's avatar Roberto Raggi
Browse files

Introduced a simple AST dumper for GLSL.

parent 4a08c9a3
HEADERS += $$PWD/glsl.h $$PWD/glsllexer.h $$PWD/glslparser.h $$PWD/glslparsertable_p.h $$PWD/glslast.h \
$$PWD/glslastvisitor.h $$PWD/glslengine.h $$PWD/glslmemorypool.h
$$PWD/glslastvisitor.h $$PWD/glslengine.h $$PWD/glslmemorypool.h glslastdump.h
SOURCES += $$PWD/glslkeywords.cpp $$PWD/glslparser.cpp $$PWD/glslparsertable.cpp \
$$PWD/glsllexer.cpp $$PWD/glslast.cpp \
$$PWD/glslastvisitor.cpp $$PWD/glslengine.cpp $$PWD/glslmemorypool.cpp
$$PWD/glslastvisitor.cpp $$PWD/glslengine.cpp $$PWD/glslmemorypool.cpp glslastdump.cpp
OTHER_FILES = $$PWD/glsl.g \
$$PWD/specs/grammar.txt
/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** Commercial Usage
**
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
**
**************************************************************************/
#include "glslastdump.h"
#include <QtCore/QTextStream>
#ifdef Q_CC_GNU
# include <cxxabi.h>
#endif
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
id = abi::__cxa_demangle(id, 0, 0, 0);
#endif
out << QByteArray(_depth, ' ') << id << endl;
++_depth;
return true;
}
void ASTDump::postVisit(AST *)
{
--_depth;
}
/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** Commercial Usage
**
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
**
**************************************************************************/
#ifndef GLSLASTDUMP_H
#define GLSLASTDUMP_H
#include "glslastvisitor.h"
QT_FORWARD_DECLARE_CLASS(QTextStream)
namespace GLSL {
class GLSL_EXPORT ASTDump: protected Visitor
{
public:
ASTDump(QTextStream &out);
void operator()(AST *ast);
protected:
virtual bool preVisit(AST *);
virtual void postVisit(AST *);
private:
QTextStream &out;
int _depth;
};
} // namespace GLSL
#endif // GLSLASTDUMP_H
......@@ -38,3 +38,9 @@ Visitor::Visitor()
Visitor::~Visitor()
{
}
void Visitor::accept(AST *ast)
{
if (ast)
ast->accept(this);
}
......@@ -39,6 +39,8 @@ public:
Visitor();
virtual ~Visitor();
void accept(AST *ast);
virtual bool preVisit(AST *) { return true; }
virtual void postVisit(AST *) {}
......
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