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