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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#pragma once
#include "LookupContext.h"
#include <cplusplus/ASTVisitor.h>
#include <cplusplus/FullySpecifiedType.h>
#include <cplusplus/Bind.h>
#include <set>
namespace CPlusPlus {
class CPLUSPLUS_EXPORT ResolveExpression: protected ASTVisitor
{
public:
ResolveExpression(const LookupContext &context,
const QSet<const Declaration *> &autoDeclarationsBeingResolved
= QSet<const Declaration *>());
virtual ~ResolveExpression();
QList<LookupItem> operator()(ExpressionAST *ast, Scope *scope);
QList<LookupItem> resolve(ExpressionAST *ast, Scope *scope, bool ref = false);
QList<LookupItem> reference(ExpressionAST *ast, Scope *scope);
ClassOrNamespace *baseExpression(const QList<LookupItem> &baseResults,
int accessOp,
bool *replacedDotOperator = nullptr) const;
const LookupContext &context() const;
protected:
ClassOrNamespace *findClass(const FullySpecifiedType &ty, Scope *scope,
ClassOrNamespace *enclosingBinding = nullptr) const;
QList<LookupItem> expression(ExpressionAST *ast);
QList<LookupItem> switchResults(const QList<LookupItem> &symbols);
FullySpecifiedType instantiate(const Name *className, Symbol *candidate) const;
QList<LookupItem> getMembers(ClassOrNamespace *binding, const Name *memberName) const;
void thisObject();
void addResult(const FullySpecifiedType &ty, Scope *scope, ClassOrNamespace *binding = nullptr);
void addResults(const QList<Symbol *> &symbols);
void addResults(const QList<LookupItem> &items);
static bool maybeValidPrototype(Function *funTy, unsigned actualArgumentCount);
using ASTVisitor::visit;
virtual bool visit(IdExpressionAST *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(CompoundLiteralAST *ast);
virtual bool visit(CompoundExpressionAST *ast);
virtual bool visit(LambdaExpressionAST *ast);
virtual bool visit(ReturnStatementAST *ast);
//names
virtual bool visit(QualifiedNameAST *ast);
virtual bool visit(OperatorFunctionIdAST *ast);
virtual bool visit(ConversionFunctionIdAST *ast);
virtual bool visit(SimpleNameAST *ast);
virtual bool visit(DestructorNameAST *ast);
virtual bool visit(TemplateIdAST *ast);
// postfix expressions
virtual bool visit(CallAST *ast);
virtual bool visit(ArrayAccessAST *ast);
virtual bool visit(PostIncrDecrAST *ast);
virtual bool visit(MemberAccessAST *ast);
// Objective-C expressions
virtual bool visit(ObjCMessageExpressionAST *ast);
private:
ClassOrNamespace *findClassForTemplateParameterInExpressionScope(
ClassOrNamespace *resultBinding,
const FullySpecifiedType &ty) const;
Scope *_scope;
const LookupContext& _context;
Bind bind;
QList<LookupItem> _results;
QSet<const Declaration *> _autoDeclarationsBeingResolved;
bool _reference;
};
} // namespace CPlusPlus
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