91 lines
2.9 KiB
C++
91 lines
2.9 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the tools applications of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:GPL-EXCEPT$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef PREPROCESSOR_H
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#define PREPROCESSOR_H
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#include "parser.h"
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#include <qlist.h>
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#include <qset.h>
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#include <stdio.h>
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QT_BEGIN_NAMESPACE
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struct Macro
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{
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Macro() : isFunction(false), isVariadic(false) {}
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bool isFunction;
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bool isVariadic;
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Symbols arguments;
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Symbols symbols;
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};
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#ifdef USE_LEXEM_STORE
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typedef QByteArray MacroName;
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#else
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typedef SubArray MacroName;
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#endif
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typedef QHash<MacroName, Macro> Macros;
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class QFile;
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class Preprocessor : public Parser
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{
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public:
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Preprocessor(){}
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static bool preprocessOnly;
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QList<QByteArray> frameworks;
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QSet<QByteArray> preprocessedIncludes;
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Macros macros;
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Symbols preprocessed(const QByteArray &filename, QFile *device);
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void parseDefineArguments(Macro *m);
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void skipUntilEndif();
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bool skipBranch();
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void substituteUntilNewline(Symbols &substituted);
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static Symbols macroExpandIdentifier(Preprocessor *that, SymbolStack &symbols, int lineNum, QByteArray *macroName);
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static void macroExpand(Symbols *into, Preprocessor *that, const Symbols &toExpand, int &index, int lineNum, bool one,
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const QSet<QByteArray> &excludeSymbols = QSet<QByteArray>());
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int evaluateCondition();
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enum TokenizeMode { TokenizeCpp, TokenizePreprocessor, PreparePreprocessorStatement, TokenizePreprocessorStatement, TokenizeInclude, PrepareDefine, TokenizeDefine };
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static Symbols tokenize(const QByteArray &input, int lineNum = 1, TokenizeMode mode = TokenizeCpp);
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private:
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void until(Token);
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void preprocess(const QByteArray &filename, Symbols &preprocessed);
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};
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QT_END_NAMESPACE
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#endif // PREPROCESSOR_H
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