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/*************************************************************************************
* Copyright (C) 2013 by Andrea Scarpino <scarpino@kde.org> *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License *
* as published by the Free Software Foundation; either version 2 *
* of the License, or (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the Free Software *
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA *
*************************************************************************************/
#ifndef EXPRESSIONVISITOR_H
#define EXPRESSIONVISITOR_H
#include <util/stack.h>
#include <language/duchain/builders/dynamiclanguageexpressionvisitor.h>
#include <language/duchain/types/integraltype.h>
#include <language/duchain/ducontext.h>
#include <util/path.h>
#include <qmljs/parser/qmljsast_p.h>
#include "duchainexport.h"
class KDEVQMLJSDUCHAIN_EXPORT ExpressionVisitor : public KDevelop::DynamicLanguageExpressionVisitor, public QmlJS::AST::Visitor
{
public:
explicit ExpressionVisitor(KDevelop::DUContext* context);
/**
* Return whether the expression ends with a prototype member.
*
* Example of such expressions are:
*
* @code
* Class.prototype
* Module.Class.prototype
* object.__proto__
* @endcode
*
* These expressions don't point to a prototype:
*
* @code
* Class.prototype.method
* object.__proto__.member
* @endcode
*/
bool isPrototype() const;
using Visitor::visit;
using Visitor::endVisit;
protected:
bool visit(QmlJS::AST::NumericLiteral* node) override;
bool visit(QmlJS::AST::StringLiteral* node) override;
bool visit(QmlJS::AST::RegExpLiteral* node) override;
bool visit(QmlJS::AST::TrueLiteral* node) override;
bool visit(QmlJS::AST::FalseLiteral* node) override;
bool visit(QmlJS::AST::ArrayLiteral* node) override;
bool visit(QmlJS::AST::ObjectLiteral* node) override;
bool visit(QmlJS::AST::ArrayMemberExpression* node) override;
bool visit(QmlJS::AST::FieldMemberExpression* node) override;
bool visit(QmlJS::AST::BinaryExpression* node) override;
bool visit(QmlJS::AST::IdentifierExpression* node) override;
bool visit(QmlJS::AST::UiQualifiedId* node) override;
bool visit(QmlJS::AST::ThisExpression* node) override;
bool visit(QmlJS::AST::FunctionExpression* node) override;
bool visit(QmlJS::AST::CallExpression* node) override;
bool visit(QmlJS::AST::NewMemberExpression* node) override;
void postVisit(QmlJS::AST::Node* node) override;
private:
using KDevelop::DynamicLanguageExpressionVisitor::encounter;
void encounterNothing();
void encounter(KDevelop::IntegralType::CommonIntegralTypes type);
void encounter(const QString &declaration, KDevelop::DUContext* context = nullptr);
bool encounterParent(const QString& declaration); // "parent" QML identifier
bool encounterDeclarationInContext(const KDevelop::QualifiedIdentifier& id,
KDevelop::DUContext* context);
bool encounterDeclarationInNodeModule(const KDevelop::QualifiedIdentifier& id,
const QString& module);
bool encounterGlobalDeclaration(const KDevelop::QualifiedIdentifier& id);
void encounterFieldMember(const QString &name);
void encounterObjectAtLocation(const QmlJS::AST::SourceLocation &location);
void instantiateCurrentDeclaration(); /*!< @brief Encounter a StructureType whose declaration is currentDeclaration() */
private:
int m_prototypeDepth; // 2 = the current node is "prototype" or "__proto__". 1 = we have just closed this node. <= 0 : "__proto__" is not the last node (as in "foo.prototype.bar")
KDevelop::Path m_currentDir;
};
#endif // EXPRESSIONVISITOR_H
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