732 lines
25 KiB
C++
732 lines
25 KiB
C++
/*
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* Copyright (C) 2020-2022 Roy Qu (royqh1979@gmail.com)
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef CPPPARSER_H
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#define CPPPARSER_H
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#include <QMutex>
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#include <QObject>
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#include <QThread>
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#include <QVector>
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#include "statementmodel.h"
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#include "cpptokenizer.h"
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#include "cpppreprocessor.h"
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class CppParser : public QObject
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{
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Q_OBJECT
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public:
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explicit CppParser(QObject *parent = nullptr);
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CppParser(const CppParser&)=delete;
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CppParser& operator=(const CppParser)=delete;
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~CppParser();
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void addHardDefineByLine(const QString& line);
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void addProjectFile(const QString &fileName, bool needScan);
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void addIncludePath(const QString& value);
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void removeProjectFile(const QString& value);
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void addProjectIncludePath(const QString& value);
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void clearIncludePaths();
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void clearProjectIncludePaths();
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void clearProjectFiles();
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QList<PStatement> getListOfFunctions(const QString& fileName,
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const QString& phrase,
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int line);
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PStatement findScopeStatement(const QString& filename, int line);
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PFileIncludes findFileIncludes(const QString &filename, bool deleteIt = false);
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QString findFirstTemplateParamOf(const QString& fileName,
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const QString& phrase,
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const PStatement& currentScope);
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PStatement findFunctionAt(const QString& fileName,
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int line);
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int findLastOperator(const QString& phrase) const;
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PStatementList findNamespace(const QString& name); // return a list of PSTATEMENTS (of the namespace)
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PStatement findStatement(const QString& fullname);
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PStatement findStatementOf(const QString& fileName,
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const QString& phrase,
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int line);
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PStatement findStatementOf(const QString& fileName,
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const QString& phrase,
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const PStatement& currentScope,
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PStatement& parentScopeType,
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bool force = false);
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PStatement findStatementOf(const QString& fileName,
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const QString& phrase,
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const PStatement& currentClass,
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bool force = false);
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PStatement findStatementOf(const QString& fileName,
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const QStringList& expression,
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const PStatement& currentScope);
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PStatement findStatementOf(const QString& fileName,
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const QStringList& expression,
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int line);
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PStatement findAliasedStatement(const PStatement& statement);
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/**
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* @brief evaluate the expression
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* @param fileName
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* @param expression
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* @param currentScope
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* @return the statement of the evaluation result
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*/
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PEvalStatement evalExpression(const QString& fileName,
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QStringList& expression,
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const PStatement& currentScope);
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PStatement findTypeDefinitionOf(const QString& fileName,
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const QString& aType,
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const PStatement& currentClass);
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PStatement findTypeDef(const PStatement& statement,
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const QString& fileName);
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bool freeze(); // Freeze/Lock (stop reparse while searching)
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bool freeze(const QString& serialId); // Freeze/Lock (stop reparse while searching)
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QStringList getClassesList();
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QStringList getFileDirectIncludes(const QString& filename);
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QSet<QString> getFileIncludes(const QString& filename);
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QSet<QString> getFileUsings(const QString& filename);
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QString getHeaderFileName(const QString& relativeTo, const QString& headerName, bool fromNext=false);// both
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void invalidateFile(const QString& fileName);
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bool isIncludeLine(const QString &line);
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bool isIncludeNextLine(const QString &line);
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bool isProjectHeaderFile(const QString& fileName);
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bool isSystemHeaderFile(const QString& fileName);
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void parseFile(const QString& fileName, bool inProject,
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bool onlyIfNotParsed = false, bool updateView = true);
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void parseFileList(bool updateView = true);
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void parseHardDefines();
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bool parsing() const;
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void resetParser();
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void unFreeze(); // UnFree/UnLock (reparse while searching)
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QSet<QString> scannedFiles();
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bool isFileParsed(const QString& filename);
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QString prettyPrintStatement(const PStatement& statement, const QString& filename, int line = -1);
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bool enabled() const;
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void setEnabled(bool newEnabled);
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const QSet<QString> &filesToScan() const;
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void setFilesToScan(const QSet<QString> &newFilesToScan);
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void setOnGetFileStream(const GetFileStreamCallBack &newOnGetFileStream);
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int parserId() const;
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const QString &serialId() const;
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bool parseLocalHeaders() const;
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void setParseLocalHeaders(bool newParseLocalHeaders);
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bool parseGlobalHeaders() const;
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void setParseGlobalHeaders(bool newParseGlobalHeaders);
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const QSet<QString>& includePaths();
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const QSet<QString>& projectIncludePaths();
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const StatementModel &statementList() const;
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ParserLanguage language() const;
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void setLanguage(ParserLanguage newLanguage);
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const QSet<QString> &projectFiles() const;
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QList<QString> namespaces();
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signals:
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void onProgress(const QString& fileName, int total, int current);
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void onBusy();
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void onStartParsing();
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void onEndParsing(int total, int updateView);
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private:
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PStatement addInheritedStatement(
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const PStatement& derived,
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const PStatement& inherit,
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StatementClassScope access);
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PStatement addChildStatement(
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// support for multiple parents (only typedef struct/union use multiple parents)
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const PStatement& parent,
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const QString& fileName,
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const QString& aType, // "Type" is already in use
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const QString& command,
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const QString& args,
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const QString& noNameArgs,
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const QString& value,
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int line,
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StatementKind kind,
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const StatementScope& scope,
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const StatementClassScope& classScope,
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StatementProperties properties); // TODO: InheritanceList not supported
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PStatement addStatement(
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const PStatement& parent,
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const QString &fileName,
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const QString &aType, // "Type" is already in use
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const QString &command,
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const QString &args,
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const QString &noNameArgs,
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const QString& value,
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int line,
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StatementKind kind,
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const StatementScope& scope,
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const StatementClassScope& classScope,
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StatementProperties properties);
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PStatement addStatement(
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const PStatement& parent,
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const QString &fileName,
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const QString &aType, // "Type" is already in use
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const QString &command,
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int argStart,
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int argEnd,
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const QString& value,
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int line,
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StatementKind kind,
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const StatementScope& scope,
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const StatementClassScope& classScope,
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StatementProperties properties);
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void setInheritance(int index, const PStatement& classStatement, bool isStruct);
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bool isCurrentScope(const QString& command);
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void addSoloScopeLevel(PStatement& statement, int line, bool shouldResetBlock=false); // adds new solo level
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void removeScopeLevel(int line); // removes level
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int indexOfMatchingBrace(int startAt) {
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return mTokenizer[startAt]->matchIndex;
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}
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void internalClear();
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QStringList sortFilesByIncludeRelations(const QSet<QString> &files);
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bool checkForKeyword(KeywordType &keywordType);
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bool checkForNamespace(KeywordType keywordType);
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bool checkForPreprocessor();
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// bool checkForLambda();
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bool checkForScope(KeywordType keywordType);
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bool checkForStructs(KeywordType keywordType);
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bool checkForTypedefEnum();
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bool checkForTypedefStruct();
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bool checkForUsing(KeywordType keywordType);
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void checkAndHandleMethodOrVar(KeywordType keywordType);
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QString doFindFirstTemplateParamOf(const QString& fileName,
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const QString& phrase,
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const PStatement& currentScope);
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QString doFindTemplateParamOf(const QString& fileName,
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const QString& phrase,
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int index,
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const PStatement& currentScope);
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void fillListOfFunctions(const QString& fileName, int line,
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const PStatement& statement,
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const PStatement& scopeStatement, QStringList& list);
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QList<PStatement> getListOfFunctions(const QString& fileName, int line,
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const PStatement& statement,
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const PStatement& scopeStatement);
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PStatement findMacro(const QString& phrase, const QString& fileName);
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PStatement findMemberOfStatement(
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const QString& phrase,
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const PStatement& scopeStatement);
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QList<PStatement> findMembersOfStatement(const QString& phrase,
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const PStatement& scopeStatement);
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PStatement findStatementInScope(
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const QString& name,
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const QString& noNameArgs,
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StatementKind kind,
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const PStatement& scope);
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PStatement findStatementInScope(
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const QString& name,
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const PStatement& scope);
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PStatement findStatementInNamespace(
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const QString& name,
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const QString& namespaceName);
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//{Find statement starting from startScope}
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PStatement findStatementStartingFrom(const QString& fileName,
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const QString& phrase,
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const PStatement& startScope);
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/**
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* @brief evaluate the expression (starting from pos) in the scope
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* @param fileName
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* @param phraseExpression
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* @param pos
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* @param scope
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* @param previousResult the result of evalution for expression from 0 to pos-1
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* @param freeScoped if the expression left is
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* @return
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*/
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PEvalStatement doEvalExpression(const QString& fileName,
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QStringList& phraseExpression,
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int &pos,
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const PStatement& scope,
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const PEvalStatement& previousResult,
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bool freeScoped);
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PEvalStatement doEvalPointerArithmetic(
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const QString& fileName,
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QStringList& phraseExpression,
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int &pos,
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const PStatement& scope,
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const PEvalStatement& previousResult,
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bool freeScoped);
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PEvalStatement doEvalPointerToMembers(
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const QString& fileName,
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QStringList& phraseExpression,
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int &pos,
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const PStatement& scope,
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const PEvalStatement& previousResult,
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bool freeScoped);
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PEvalStatement doEvalCCast(
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const QString& fileName,
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QStringList& phraseExpression,
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int &pos,
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const PStatement& scope,
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const PEvalStatement& previousResult,
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bool freeScoped);
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PEvalStatement doEvalMemberAccess(
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const QString& fileName,
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QStringList& phraseExpression,
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int &pos,
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const PStatement& scope,
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const PEvalStatement& previousResult,
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bool freeScoped);
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PEvalStatement doEvalScopeResolution(
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const QString& fileName,
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QStringList& phraseExpression,
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int &pos,
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const PStatement& scope,
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const PEvalStatement& previousResult,
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bool freeScoped);
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PEvalStatement doEvalTerm(
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const QString& fileName,
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QStringList& phraseExpression,
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int &pos,
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const PStatement& scope,
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const PEvalStatement& previousResult,
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bool freeScoped);
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bool expandMacro(QStringList& phraseExpression,int &pos,
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const PStatement& macro);
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PEvalStatement doCreateEvalNamespace(const PStatement& namespaceStatement);
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PEvalStatement doCreateEvalType(const QString& fileName,const PStatement& typeStatement);
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PEvalStatement doCreateEvalType(const QString& primitiveType);
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PEvalStatement doCreateEvalVariable(
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const QString& fileName,
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const PStatement& varStatement,
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const QString& baseTemplateParams,
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const PStatement& scope);
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PEvalStatement doCreateEvalFunction(const QString& fileName, const PStatement& funcStatement);
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PEvalStatement doCreateEvalLiteral(const QString& type);
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void doSkipInExpression(const QStringList& expression, int&pos, const QString& startSymbol, const QString& endSymbol);
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bool isIdentifier(const QString& token) const {
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return (!token.isEmpty() && isIdentChar(token.front())
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&& !token.contains('\"'));
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}
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bool isIdentifierOrPointer(const QString& term) const {
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switch(term[0].unicode()) {
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case '*':
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return true;
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case '\"':
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case '\'':
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return false;
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default:
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return isIdentChar(term[0]);
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}
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}
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bool isIntegerLiteral(const QString& token) const {
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if (token.isEmpty())
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return false;
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QChar ch = token.front();
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return (ch>='0' && ch<='9' && !token.contains(".") && !token.contains("e"));
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}
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bool isFloatLiteral(const QString& token) const {
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if (token.isEmpty())
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return false;
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QChar ch = token.front();
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return (ch>='0' && ch<='9' && (token.contains(".") || token.contains("e")));
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}
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bool isStringLiteral(const QString& token) const {
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if (token.isEmpty())
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return false;
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return (!token.startsWith('\'') && token.contains('"'));
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}
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bool isCharLiteral(const QString& token) const{
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if (token.isEmpty())
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return false;
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return (token.startsWith('\''));
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}
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bool isKeyword(const QString& token) const {
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return mCppKeywords.contains(token);
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}
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bool tokenIsIdentifier(const QString& token) const {
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//token won't be empty
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return isIdentChar(token[0]);
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}
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bool tokenIsTypeOrNonKeyword(const QString& token) const {
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return tokenIsIdentifier(token) &&
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(mCppTypeKeywords.contains(token)
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|| !mCppKeywords.contains(token)
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|| token=="const");
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}
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PStatement doParseEvalTypeInfo(
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const QString& fileName,
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const PStatement& scope,
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const QString& type,
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QString& baseType,
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PStatement& typeStatement,
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int& pointerLevel,
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QString& templateParams);
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int getBracketEnd(const QString& s, int startAt);
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StatementClassScope getClassScope(const QString& text);
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StatementClassScope getClassScope(KeywordType keywordType);
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int getCurrentBlockBeginSkip();
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int getCurrentBlockEndSkip();
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int getCurrentInlineNamespaceEndSkip();
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PStatement getCurrentScope(); // gets last item from last level
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QString getTemplateParam(const PStatement& statement, const QString& filename,
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const QString& phrase, int index, const PStatement& currentScope);
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int getTemplateParamStart(const QString& s, int startAt, int index);
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int getTemplateParamEnd(const QString& s, int startAt);
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void getFullNamespace(
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const QString& phrase,
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QString& sNamespace,
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QString& member);
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QString getFullStatementName(
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const QString& command,
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const PStatement& parent);
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PStatement getIncompleteClass(
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const QString& command,
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const PStatement& parentScope);
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QString getScopePrefix(const PStatement& statement);
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StatementScope getScope();
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QString getStatementKey(const QString& sName,
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const QString& sType,
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const QString& sNoNameArgs);
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PStatement getTypeDef(const PStatement& statement,
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const QString& fileName, const QString& aType);
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void handleCatchBlock();
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void handleEnum(bool isTypedef);
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void handleForBlock();
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void handleKeyword(KeywordType skipType);
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void handleLambda(int index, int endIndex);
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void handleOperatorOverloading(
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const QString& sType,
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const QString& prefix,
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int operatorTokenIndex,
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bool isStatic,
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bool isFriend);
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void handleMethod(
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StatementKind functionKind,
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const QString& sType,
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const QString& sName,
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int argStart,
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bool isStatic,
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bool isFriend);
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void handleNamespace(KeywordType skipType);
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void handleOtherTypedefs();
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void handlePreprocessor();
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void handleScope(KeywordType keywordType);
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bool handleStatement();
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void handleStructs(bool isTypedef = false);
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void handleUsing();
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void handleVar(const QString& typePrefix,bool isExtern,bool isStatic);
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void internalParse(const QString& fileName);
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// function FindMacroDefine(const Command: AnsiString): PStatement;
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void inheritClassStatement(
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const PStatement& derived,
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bool isStruct,
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const PStatement& base,
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StatementClassScope access);
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PStatement doFindStatementInScope(const QString& name,
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const QString& noNameArgs,
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StatementKind kind,
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const PStatement& scope);
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void internalInvalidateFile(const QString& fileName);
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void internalInvalidateFiles(const QSet<QString>& files);
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QSet<QString> calculateFilesToBeReparsed(const QString& fileName);
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int calcKeyLenForStruct(const QString& word);
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// {
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// function GetClass(const Phrase: AnsiString): AnsiString;
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// function GetMember(const Phrase: AnsiString): AnsiString;
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// function GetOperator(const Phrase: AnsiString): AnsiString;
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// function GetRemainder(const Phrase: AnsiString): AnsiString;
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// }
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void scanMethodArgs(
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const PStatement& functionStatement,
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int argStart);
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QString splitPhrase(const QString& phrase, QString& sClazz,
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QString& sOperator, QString &sMember);
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QString removeTemplateParams(const QString& phrase);
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bool splitLastMember(const QString& token, QString& lastMember, QString& remaining);
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bool isSpaceChar(const QChar& ch) const {
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return ch==' ' || ch =='\t';
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}
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bool isWordChar(const QChar& ch) const {
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return ch.isLetter()
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|| ch == '_'
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|| ch == '*'
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|| ch == '&';
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}
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bool isIdentifier(const QChar& ch) const {
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return ch.isLetter()
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|| ch == '_'
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|| ch == '~'
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;
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}
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bool isIdentChar(const QChar& ch) const {
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return ch.isLetter()
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|| ch == '_';
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}
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bool isDigitChar(const QChar& ch) const {
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return (ch>='0' && ch<='9');
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}
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bool isInvalidFunctionArgsSuffixChar(const QChar& ch) const {
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// &&
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switch(ch.unicode()){
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case '.':
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case '-':
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case '+':
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case '/':
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case '%':
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case '*':
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case '|':
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case '?':
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return true;
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default:
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return false;
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}
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}
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/*'(', ';', ':', '{', '}', '#' */
|
|
bool isSeperator(const QChar& ch) const {
|
|
switch(ch.unicode()){
|
|
case '(':
|
|
case ';':
|
|
case ':':
|
|
case '{':
|
|
case '}':
|
|
case '#':
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/*';', '{', '}'*/
|
|
bool isblockChar(const QChar& ch) const {
|
|
switch(ch.unicode()){
|
|
case ';':
|
|
case '{':
|
|
case '}':
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/* '#', ',', ';', ':', '{', '}', '!', '/', '+', '-', '<', '>' */
|
|
bool isInvalidVarPrefixChar(const QChar& ch) const {
|
|
switch (ch.unicode()) {
|
|
case '#':
|
|
case ',':
|
|
case ';':
|
|
case ':':
|
|
case '{':
|
|
case '}':
|
|
case '!':
|
|
case '/':
|
|
case '+':
|
|
case '-':
|
|
case '<':
|
|
case '>':
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/*'{', '}' */
|
|
bool isBraceChar(const QChar& ch) const {
|
|
return ch == '{' || ch =='}';
|
|
}
|
|
|
|
bool isLineChar(const QChar& ch) const {
|
|
return ch=='\n' || ch=='\r';
|
|
}
|
|
|
|
bool isNotFuncArgs(int startIndex);
|
|
|
|
/**
|
|
* @brief Test if a statement is a class/struct/union/namespace/function
|
|
* @param kind
|
|
* @return
|
|
*/
|
|
bool isNamedScope(StatementKind kind) const;
|
|
|
|
/**
|
|
* @brief Test if a statement is a class/struct/union/enum/enum class/typedef
|
|
* @param kind
|
|
* @return
|
|
*/
|
|
bool isTypeStatement(StatementKind kind) const;
|
|
|
|
void updateSerialId();
|
|
|
|
int indexOfNextSemicolon(int index, int endIndex=-1);
|
|
int indexOfNextPeriodOrSemicolon(int index, int endIndex=-1);
|
|
int indexOfNextSemicolonOrLeftBrace(int index);
|
|
int indexOfNextColon(int index);
|
|
int indexOfNextLeftBrace(int index);
|
|
int indexPassParenthesis(int index);
|
|
int indexPassBraces(int index);
|
|
int skipAssignment(int index, int endIndex);
|
|
void skipNextSemicolon(int index);
|
|
int moveToEndOfStatement(int index, bool checkLambda, int endIndex=-1);
|
|
// int moveToNextAssignmentOrEndOfStatement(int index, bool checkLambda, int endIndex=-1);
|
|
void skipParenthesis(int index);
|
|
QString mergeArgs(int startIndex, int endIndex);
|
|
void parseCommandTypeAndArgs(QString& command,
|
|
QString& typeSuffix,
|
|
QString& args);
|
|
private:
|
|
int mParserId;
|
|
ParserLanguage mLanguage;
|
|
int mSerialCount;
|
|
QString mSerialId;
|
|
int mUniqId;
|
|
bool mEnabled;
|
|
int mIndex;
|
|
bool mIsHeader;
|
|
bool mIsSystemHeader;
|
|
QString mCurrentFile;
|
|
// stack list , each element is a list of one/many scopes(like intypedef struct s1,s2;
|
|
// It's used for store scope nesting infos
|
|
QVector<PStatement> mCurrentScope;
|
|
QVector<StatementClassScope> mCurrentClassScope;
|
|
|
|
StatementClassScope mClassScope;
|
|
StatementModel mStatementList;
|
|
//It's used in preprocessor, so we can't use fIncludeList instead
|
|
|
|
CppTokenizer mTokenizer;
|
|
CppPreprocessor mPreprocessor;
|
|
QSet<QString> mProjectFiles;
|
|
QVector<int> mBlockBeginSkips; //list of for/catch block begin token index;
|
|
QVector<int> mBlockEndSkips; //list of for/catch block end token index;
|
|
QVector<int> mInlineNamespaceEndSkips; // list for inline namespace end token index;
|
|
QSet<QString> mFilesToScan; // list of base files to scan
|
|
int mFilesScannedCount; // count of files that have been scanned
|
|
int mFilesToScanCount; // count of files and files included in files that have to be scanned
|
|
bool mParseLocalHeaders;
|
|
bool mParseGlobalHeaders;
|
|
bool mIsProjectFile;
|
|
int mLockCount; // lock(don't reparse) when we need to find statements in a batch
|
|
bool mParsing;
|
|
QHash<QString,PStatementList> mNamespaces; // namespace and the statements in its scope
|
|
QSet<QString> mInlineNamespaces;
|
|
|
|
#if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)
|
|
QRecursiveMutex mMutex;
|
|
#else
|
|
QMutex mMutex;
|
|
#endif
|
|
GetFileStreamCallBack mOnGetFileStream;
|
|
QMap<QString,KeywordType> mCppKeywords;
|
|
QSet<QString> mCppTypeKeywords;
|
|
};
|
|
using PCppParser = std::shared_ptr<CppParser>;
|
|
|
|
class CppFileParserThread : public QThread {
|
|
Q_OBJECT
|
|
public:
|
|
explicit CppFileParserThread(
|
|
PCppParser parser,
|
|
QString fileName,
|
|
bool inProject,
|
|
bool onlyIfNotParsed = false,
|
|
bool updateView = true,
|
|
QObject *parent = nullptr);
|
|
|
|
private:
|
|
PCppParser mParser;
|
|
QString mFileName;
|
|
bool mInProject;
|
|
bool mOnlyIfNotParsed;
|
|
bool mUpdateView;
|
|
|
|
// QThread interface
|
|
protected:
|
|
void run() override;
|
|
};
|
|
using PCppParserThread = std::shared_ptr<CppFileParserThread>;
|
|
|
|
class CppFileListParserThread: public QThread {
|
|
Q_OBJECT
|
|
public:
|
|
explicit CppFileListParserThread(
|
|
PCppParser parser,
|
|
bool updateView = true,
|
|
QObject *parent = nullptr);
|
|
private:
|
|
PCppParser mParser;
|
|
bool mUpdateView;
|
|
// QThread interface
|
|
protected:
|
|
void run() override;
|
|
};
|
|
|
|
void parseFile(
|
|
PCppParser parser,
|
|
const QString& fileName,
|
|
bool inProject,
|
|
bool onlyIfNotParsed = false,
|
|
bool updateView = true);
|
|
|
|
void parseFileList(
|
|
PCppParser parser,
|
|
bool updateView = true);
|
|
|
|
|
|
#endif // CPPPARSER_H
|