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// Copyright (c) 2008 Roberto Raggi <roberto.raggi@gmail.com>
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

#ifndef CPLUSPLUS_CHECKEXPRESSION_H
#define CPLUSPLUS_CHECKEXPRESSION_H

#include "CPlusPlusForwardDeclarations.h"
#include "SemanticCheck.h"
#include "FullySpecifiedType.h"


namespace CPlusPlus {

class CPLUSPLUS_EXPORT CheckExpression: public SemanticCheck
{
public:
    CheckExpression(Semantic *semantic);
    virtual ~CheckExpression();

    FullySpecifiedType check(ExpressionAST *expression, Scope *scope);

protected:
    ExpressionAST *switchExpression(ExpressionAST *expression);
    FullySpecifiedType switchFullySpecifiedType(const FullySpecifiedType &type);
    Scope *switchScope(Scope *scope);

    using ASTVisitor::visit;

    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(PostfixExpressionAST *ast);
    virtual bool visit(SizeofExpressionAST *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(QtMethodAST *ast);
    virtual bool visit(CompoundLiteralAST *ast);
    virtual bool visit(CompoundExpressionAST *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);

    // ObjC
    virtual bool visit(ObjCMessageExpressionAST *ast);
    virtual bool visit(ObjCEncodeExpressionAST *ast);
    virtual bool visit(ObjCSelectorExpressionAST *ast);

private:
    ExpressionAST *_expression;
    FullySpecifiedType _fullySpecifiedType;
    Scope *_scope;
    bool _checkOldStyleCasts: 1;
};

} // end of namespace CPlusPlus


#endif // CPLUSPLUS_CHECKEXPRESSION_H