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#ifndef CPLUSPLUS_RESOLVEEXPRESSION_H

#define CPLUSPLUS_RESOLVEEXPRESSION_H

#include "LookupContext.h"

#include <ASTVisitor.h>

#include <Semantic.h>

#include <FullySpecifiedType.h>

namespace CPlusPlus {

class CPLUSPLUS_EXPORT ResolveExpression: protected ASTVisitor

{

public:

    ResolveExpression(const LookupContext &context);

    virtual ~ResolveExpression();

    QList<LookupItem> operator()(ExpressionAST *ast);

    QList<LookupItem> resolveMemberExpression(const QList<LookupItem> &baseResults,

                                          unsigned accessOp,

                                          const Name *memberName,

                                          bool *replacedDotOperator = 0) const;

    QList<LookupItem> resolveBaseExpression(const QList<LookupItem> &baseResults,

                                        int accessOp,

                                        bool *replacedDotOperator = 0) const;

    QList<LookupItem> resolveMember(const Name *memberName, Class *klass,

                                    const Name *className = 0) const;

    QList<LookupItem> resolveMember(const Name *memberName, ObjCClass *klass) const;

protected:

    QList<LookupItem> switchResults(const QList<LookupItem> &symbols);

    void addResult(const FullySpecifiedType &ty, Symbol *symbol = 0);

    void addResult(const LookupItem &result);

    void addResults(const QList<LookupItem> &results);

    bool maybeValidPrototype(Function *funTy, unsigned actualArgumentCount) const;

    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(CompoundLiteralAST *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);

    QList<Scope *> visibleScopes(const LookupItem &result) const;

private:

    LookupContext _context;

    Semantic sem;

    QList<LookupItem> _results;

    Symbol *_declSymbol;

};

class CPLUSPLUS_EXPORT ResolveClass

{

public:

    ResolveClass();

    QList<Symbol *> operator()(const Name *name,

                               const LookupItem &p,

                               const LookupContext &context);

private:

    QList<Symbol *> resolveClass(const Name *name,

                                 const LookupItem &p,

                                 const LookupContext &context);

private:

    QList<LookupItem> _blackList;

};

class CPLUSPLUS_EXPORT ResolveObjCClass

{

public:

    ResolveObjCClass();

    QList<Symbol *> operator()(const Name *name,

                               const LookupItem &p,

                               const LookupContext &context);

};

} // end of namespace CPlusPlus

#endif // CPLUSPLUS_RESOLVEEXPRESSION_H