forked from qt-creator/qt-creator
5f68b5b02f
Change-Id: I16f91e81402ecff0039acf1dfc68d9ce7f6d1c81 Reviewed-by: David Schulz <david.schulz@digia.com>
311 lines
13 KiB
C++
311 lines
13 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of Qt Creator.
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**
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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 Digia. For licensing terms and
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** conditions see http://qt.digia.com/licensing. For further information
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** use the contact form at http://qt.digia.com/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Digia gives you certain additional
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** rights. These rights are described in the Digia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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****************************************************************************/
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#ifndef CPLUSPLUS_FINDUSAGES_H
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#define CPLUSPLUS_FINDUSAGES_H
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#include "LookupContext.h"
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#include "CppDocument.h"
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#include "TypeOfExpression.h"
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#include <ASTVisitor.h>
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#include <QSet>
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namespace CPlusPlus {
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class CPLUSPLUS_EXPORT Usage
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{
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public:
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Usage()
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: line(0), col(0), len(0) {}
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Usage(const QString &path, const QString &lineText, int line, int col, int len)
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: path(path), lineText(lineText), line(line), col(col), len(len) {}
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public:
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QString path;
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QString lineText;
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int line;
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int col;
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int len;
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};
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class CPLUSPLUS_EXPORT FindUsages: protected ASTVisitor
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{
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public:
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FindUsages(const QByteArray &originalSource, Document::Ptr doc, const Snapshot &snapshot);
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FindUsages(const LookupContext &context);
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void operator()(Symbol *symbol);
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QList<Usage> usages() const;
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QList<int> references() const;
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protected:
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using ASTVisitor::translationUnit;
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Scope *switchScope(Scope *scope);
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QString matchingLine(const Token &tk) const;
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void reportResult(unsigned tokenIndex, const Name *name, Scope *scope = 0);
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void reportResult(unsigned tokenIndex, const Identifier *id, Scope *scope = 0);
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void reportResult(unsigned tokenIndex, const QList<LookupItem> &candidates);
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void reportResult(unsigned tokenIndex);
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bool checkCandidates(const QList<LookupItem> &candidates) const;
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void checkExpression(unsigned startToken, unsigned endToken, Scope *scope = 0);
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static bool isLocalScope(Scope *scope);
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void statement(StatementAST *ast);
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void expression(ExpressionAST *ast);
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void declaration(DeclarationAST *ast);
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const Name *name(NameAST *ast);
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void specifier(SpecifierAST *ast);
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void ptrOperator(PtrOperatorAST *ast);
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void coreDeclarator(CoreDeclaratorAST *ast);
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void postfixDeclarator(PostfixDeclaratorAST *ast);
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void objCSelectorArgument(ObjCSelectorArgumentAST *ast);
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void attribute(AttributeAST *ast);
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void declarator(DeclaratorAST *ast, Scope *symbol = 0);
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void qtPropertyDeclarationItem(QtPropertyDeclarationItemAST *ast);
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void qtInterfaceName(QtInterfaceNameAST *ast);
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void baseSpecifier(BaseSpecifierAST *ast);
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void ctorInitializer(CtorInitializerAST *ast);
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void enumerator(EnumeratorAST *ast);
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void exceptionSpecification(ExceptionSpecificationAST *ast);
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void memInitializer(MemInitializerAST *ast);
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void nestedNameSpecifier(NestedNameSpecifierAST *ast);
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void newPlacement(ExpressionListParenAST *ast);
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void newArrayDeclarator(NewArrayDeclaratorAST *ast);
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void newTypeId(NewTypeIdAST *ast);
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void cppOperator(OperatorAST *ast);
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void parameterDeclarationClause(ParameterDeclarationClauseAST *ast);
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void translationUnit(TranslationUnitAST *ast);
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void objCProtocolRefs(ObjCProtocolRefsAST *ast);
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void objCMessageArgument(ObjCMessageArgumentAST *ast);
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void objCTypeName(ObjCTypeNameAST *ast);
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void objCInstanceVariablesDeclaration(ObjCInstanceVariablesDeclarationAST *ast);
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void objCPropertyAttribute(ObjCPropertyAttributeAST *ast);
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void objCMessageArgumentDeclaration(ObjCMessageArgumentDeclarationAST *ast);
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void objCMethodPrototype(ObjCMethodPrototypeAST *ast);
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void objCSynthesizedProperty(ObjCSynthesizedPropertyAST *ast);
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void lambdaIntroducer(LambdaIntroducerAST *ast);
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void lambdaCapture(LambdaCaptureAST *ast);
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void capture(CaptureAST *ast);
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void lambdaDeclarator(LambdaDeclaratorAST *ast);
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void trailingReturnType(TrailingReturnTypeAST *ast);
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// AST
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virtual bool visit(ObjCSelectorArgumentAST *ast);
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virtual bool visit(AttributeAST *ast);
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virtual bool visit(DeclaratorAST *ast);
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virtual bool visit(QtPropertyDeclarationItemAST *ast);
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virtual bool visit(QtInterfaceNameAST *ast);
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virtual bool visit(BaseSpecifierAST *ast);
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virtual bool visit(CtorInitializerAST *ast);
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virtual bool visit(EnumeratorAST *ast);
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virtual bool visit(DynamicExceptionSpecificationAST *ast);
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virtual bool visit(MemInitializerAST *ast);
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virtual bool visit(NestedNameSpecifierAST *ast);
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virtual bool visit(NewArrayDeclaratorAST *ast);
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virtual bool visit(NewTypeIdAST *ast);
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virtual bool visit(OperatorAST *ast);
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virtual bool visit(ParameterDeclarationClauseAST *ast);
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virtual bool visit(TranslationUnitAST *ast);
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virtual bool visit(ObjCProtocolRefsAST *ast);
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virtual bool visit(ObjCMessageArgumentAST *ast);
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virtual bool visit(ObjCTypeNameAST *ast);
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virtual bool visit(ObjCInstanceVariablesDeclarationAST *ast);
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virtual bool visit(ObjCPropertyAttributeAST *ast);
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virtual bool visit(ObjCMessageArgumentDeclarationAST *ast);
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virtual bool visit(ObjCMethodPrototypeAST *ast);
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virtual bool visit(ObjCSynthesizedPropertyAST *ast);
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virtual bool visit(LambdaIntroducerAST *ast);
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virtual bool visit(LambdaCaptureAST *ast);
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virtual bool visit(CaptureAST *ast);
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virtual bool visit(LambdaDeclaratorAST *ast);
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virtual bool visit(TrailingReturnTypeAST *ast);
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// StatementAST
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virtual bool visit(QtMemberDeclarationAST *ast);
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virtual bool visit(CaseStatementAST *ast);
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virtual bool visit(CompoundStatementAST *ast);
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virtual bool visit(DeclarationStatementAST *ast);
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virtual bool visit(DoStatementAST *ast);
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virtual bool visit(ExpressionOrDeclarationStatementAST *ast);
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virtual bool visit(ExpressionStatementAST *ast);
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virtual bool visit(ForeachStatementAST *ast);
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virtual bool visit(RangeBasedForStatementAST *ast);
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virtual bool visit(ForStatementAST *ast);
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virtual bool visit(IfStatementAST *ast);
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virtual bool visit(LabeledStatementAST *ast);
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virtual bool visit(BreakStatementAST *ast);
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virtual bool visit(ContinueStatementAST *ast);
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virtual bool visit(GotoStatementAST *ast);
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virtual bool visit(ReturnStatementAST *ast);
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virtual bool visit(SwitchStatementAST *ast);
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virtual bool visit(TryBlockStatementAST *ast);
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virtual bool visit(CatchClauseAST *ast);
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virtual bool visit(WhileStatementAST *ast);
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virtual bool visit(ObjCFastEnumerationAST *ast);
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virtual bool visit(ObjCSynchronizedStatementAST *ast);
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// ExpressionAST
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virtual bool visit(IdExpressionAST *ast);
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virtual bool visit(CompoundExpressionAST *ast);
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virtual bool visit(CompoundLiteralAST *ast);
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virtual bool visit(QtMethodAST *ast);
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virtual bool visit(BinaryExpressionAST *ast);
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virtual bool visit(CastExpressionAST *ast);
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virtual bool visit(ConditionAST *ast);
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virtual bool visit(ConditionalExpressionAST *ast);
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virtual bool visit(CppCastExpressionAST *ast);
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virtual bool visit(DeleteExpressionAST *ast);
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virtual bool visit(ArrayInitializerAST *ast);
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virtual bool visit(NewExpressionAST *ast);
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virtual bool visit(TypeidExpressionAST *ast);
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virtual bool visit(TypenameCallExpressionAST *ast);
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virtual bool visit(TypeConstructorCallAST *ast);
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virtual bool visit(SizeofExpressionAST *ast);
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virtual bool visit(PointerLiteralAST *ast);
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virtual bool visit(NumericLiteralAST *ast);
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virtual bool visit(BoolLiteralAST *ast);
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virtual bool visit(ThisExpressionAST *ast);
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virtual bool visit(NestedExpressionAST *ast);
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virtual bool visit(StringLiteralAST *ast);
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virtual bool visit(ThrowExpressionAST *ast);
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virtual bool visit(TypeIdAST *ast);
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virtual bool visit(UnaryExpressionAST *ast);
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virtual bool visit(ObjCMessageExpressionAST *ast);
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virtual bool visit(ObjCProtocolExpressionAST *ast);
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virtual bool visit(ObjCEncodeExpressionAST *ast);
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virtual bool visit(ObjCSelectorExpressionAST *ast);
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virtual bool visit(LambdaExpressionAST *ast);
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virtual bool visit(BracedInitializerAST *ast);
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virtual bool visit(ExpressionListParenAST *ast);
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// DeclarationAST
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virtual bool visit(SimpleDeclarationAST *ast);
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virtual bool visit(EmptyDeclarationAST *ast);
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virtual bool visit(AccessDeclarationAST *ast);
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virtual bool visit(QtObjectTagAST *ast);
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virtual bool visit(QtPrivateSlotAST *ast);
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virtual bool visit(QtPropertyDeclarationAST *ast);
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virtual bool visit(QtEnumDeclarationAST *ast);
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virtual bool visit(QtFlagsDeclarationAST *ast);
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virtual bool visit(QtInterfacesDeclarationAST *ast);
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virtual bool visit(AsmDefinitionAST *ast);
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virtual bool visit(ExceptionDeclarationAST *ast);
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virtual bool visit(FunctionDefinitionAST *ast);
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virtual bool visit(LinkageBodyAST *ast);
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virtual bool visit(LinkageSpecificationAST *ast);
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virtual bool visit(NamespaceAST *ast);
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virtual bool visit(NamespaceAliasDefinitionAST *ast);
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virtual bool visit(ParameterDeclarationAST *ast);
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virtual bool visit(StaticAssertDeclarationAST *ast);
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virtual bool visit(TemplateDeclarationAST *ast);
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virtual bool visit(TypenameTypeParameterAST *ast);
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virtual bool visit(TemplateTypeParameterAST *ast);
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virtual bool visit(UsingAST *ast);
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virtual bool visit(UsingDirectiveAST *ast);
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virtual bool visit(ObjCClassForwardDeclarationAST *ast);
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virtual bool visit(ObjCClassDeclarationAST *ast);
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virtual bool visit(ObjCProtocolForwardDeclarationAST *ast);
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virtual bool visit(ObjCProtocolDeclarationAST *ast);
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virtual bool visit(ObjCVisibilityDeclarationAST *ast);
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virtual bool visit(ObjCPropertyDeclarationAST *ast);
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virtual bool visit(ObjCMethodDeclarationAST *ast);
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virtual bool visit(ObjCSynthesizedPropertiesDeclarationAST *ast);
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virtual bool visit(ObjCDynamicPropertiesDeclarationAST *ast);
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// NameAST
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virtual bool visit(ObjCSelectorAST *ast);
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virtual bool visit(QualifiedNameAST *ast);
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virtual bool visit(OperatorFunctionIdAST *ast);
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virtual bool visit(ConversionFunctionIdAST *ast);
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virtual bool visit(SimpleNameAST *ast);
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virtual bool visit(TemplateIdAST *ast);
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// SpecifierAST
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virtual bool visit(SimpleSpecifierAST *ast);
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virtual bool visit(AttributeSpecifierAST *ast);
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virtual bool visit(TypeofSpecifierAST *ast);
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virtual bool visit(DecltypeSpecifierAST *ast);
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virtual bool visit(ClassSpecifierAST *ast);
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virtual bool visit(NamedTypeSpecifierAST *ast);
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virtual bool visit(ElaboratedTypeSpecifierAST *ast);
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virtual bool visit(EnumSpecifierAST *ast);
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// PtrOperatorAST
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virtual bool visit(PointerToMemberAST *ast);
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virtual bool visit(PointerAST *ast);
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virtual bool visit(ReferenceAST *ast);
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// PostfixAST
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virtual bool visit(CallAST *ast);
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virtual bool visit(ArrayAccessAST *ast);
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virtual bool visit(PostIncrDecrAST *ast);
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virtual bool visit(MemberAccessAST *ast);
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// CoreDeclaratorAST
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virtual bool visit(DeclaratorIdAST *ast);
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virtual bool visit(NestedDeclaratorAST *ast);
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// PostfixDeclaratorAST
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virtual bool visit(FunctionDeclaratorAST *ast);
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virtual bool visit(ArrayDeclaratorAST *ast);
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private:
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void prepareLines(const QByteArray &bytes);
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QString fetchLine(unsigned lineNr) const;
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private:
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const Identifier *_id;
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Symbol *_declSymbol;
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QList<const Name *> _declSymbolFullyQualifiedName;
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Document::Ptr _doc;
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Snapshot _snapshot;
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LookupContext _context;
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const QByteArray _originalSource;
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std::vector<const char *> _sourceLineEnds;
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QByteArray _source;
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QList<int> _references;
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QList<Usage> _usages;
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QSet<unsigned> _processed;
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TypeOfExpression typeofExpression;
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Scope *_currentScope;
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};
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} // namespace CPlusPlus
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#endif // CPLUSPLUS_FINDUSAGES_H
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