/**************************************************************************** ** ** Copyright (C) 2016 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of jom. ** ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU ** General Public License version 3 as published by the Free Software ** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT ** included in the packaging of this file. Please review the following ** information to ensure the GNU General Public License requirements will ** be met: https://www.gnu.org/licenses/gpl-3.0.html. ** ****************************************************************************/ #ifndef PREPROCESSOR_H #define PREPROCESSOR_H #include "makefilelinereader.h" #include #include #include class PPExprParser; namespace NMakeFile { class MacroTable; class MakefileLineReader; class Preprocessor { public: Preprocessor(); ~Preprocessor(); void setMacroTable(MacroTable* macroTable); MacroTable* macroTable() { return m_macroTable; } bool openFile(const QString& filename); QString readLine(); uint lineNumber() const; QString currentFileName() const; int evaluateExpression(const QString& expr); bool isInlineFileMode() const { return m_bInlineFileMode; } void setInlineFileModeEnabled(bool enabled) { m_bInlineFileMode = enabled; } static void removeInlineComments(QString& line); private: bool internalOpenFile(QString fileName); MakefileLine basicReadLine(); typedef void (*JoinFunc)(MakefileLine &, const MakefileLine &); static void joinLines(MakefileLine &line, const MakefileLine &next); static void joinPreprocessingDirectiveLines(MakefileLine &line, const MakefileLine &next); void completeLineImpl(MakefileLine &line, JoinFunc joinFunc); void completeLine(MakefileLine &line); void completePreprocessingDirectiveLine(MakefileLine &line); bool parseMacro(const QString& line); bool parsePreprocessingDirective(const QString& line); QString findIncludeFile(const QString &filePathToInclude); bool isPreprocessingDirective(const QString& line, QString& directive, QString& value); void skipUntilNextMatchingConditional(); void error(const QString& msg); void enterConditional(bool followElseBranch); void exitConditional(); int conditionalDepth() { return m_conditionalStack.count(); } private: struct TextFile { MakefileLineReader* reader; QString fileDirectory; TextFile() : reader(0) {} TextFile(const TextFile& rhs) : reader(rhs.reader), fileDirectory(rhs.fileDirectory) {} TextFile& operator=(const TextFile& rhs) { reader = rhs.reader; fileDirectory = rhs.fileDirectory; return *this; } }; QStack m_fileStack; MacroTable* m_macroTable; QRegExp m_rexPreprocessingDirective; QStack m_conditionalStack; PPExprParser* m_expressionParser; QStringList m_linesPutBack; bool m_bInlineFileMode; }; } //namespace NMakeFile #endif // PREPROCESSOR_H