77 lines
2.6 KiB
C++
77 lines
2.6 KiB
C++
#ifndef CPPPREPROCESSOR_H
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#define CPPPREPROCESSOR_H
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#include <QObject>
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#include <QTextStream>
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#include "utils.h"
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struct ParsedFile {
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int index; // 0-based for programming convenience
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QString fileName; // Record filename, but not used now
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QStringList buffer; // do not concat them all
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int branches; //branch levels;
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PFileIncludes fileIncludes; // includes of this file
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};
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using PParsedFile = std::shared_ptr<ParsedFile>;
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class CppPreprocessor : public QObject
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{
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Q_OBJECT
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public:
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explicit CppPreprocessor(QObject *parent = nullptr);
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signals:
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private:
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void preprocessBuffer();
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void skipToEndOfPreprocessor();
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void skipToPreprocessor();
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QString getNextPreprocessor();
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void simplify(QString& output);
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void handlePreprocessor(const QString& value);
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void handleDefine(const QString& line);
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void handleUndefine(const QString& line);
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void handleBranch(const QString& line);
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void handleInclude(const QString& line);
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QString expandMacros(const QString& line, int depth);
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void expandMacro(const QString& line, QString& newLine, QString& word, int& i, int depth);
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QString removeGCCAttributes(const QString& line);
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QString removeSuffixes(const QString& input);
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// current file stuff
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PParsedFile getInclude(int index);
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void openInclude(const QString& fileName, QTextStream stream = QTextStream());
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void closeInclude();
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// branch stuff
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bool getCurrentBranch();
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void setCurrentBranch(bool value);
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void removeCurrentBranch();
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QString getResult();
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// include stuff
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PFileIncludes getFileIncludesEntry(const QString& FileName);
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void addDefinesInFile(const QString& fileName);
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bool isIdentChar(const QChar& ch);
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private:
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int mIndex; // points to current file buffer. do not free
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QString mFileName; // idem
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QStringList mBuffer; // idem
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QStringList mResult;
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PFileIncludes mCurrentIncludes;
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int mPreProcIndex;
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QStringList mIncludesList;
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DefineMap mHardDefines; // set by "cpp -dM -E -xc NUL"
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DefineMap mDefines; // working set, editable
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QHash<QString, PDefineMap> mFileDefines; //dictionary to save defines for each headerfile;
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QList<PParsedFile> mIncludes; // stack of files we've stepped into. last one is current file, first one is source file
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QList<bool> mBranchResults;// stack of branch results (boolean). last one is current branch, first one is outermost branch
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QStringList mIncludePaths; // path to include folders
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QStringList mProjectIncludePaths;
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bool mParseSystem;
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bool mParseLocal;
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QSet<QString> mProcessed; // dictionary to save filename already processed
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};
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#endif // CPPPREPROCESSOR_H
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