Visitor.h

#ifndef _Visitor_H
#define _Visitor_H

class ASTFieldDecl;
class ASTVarDecl;
class ASTIdentifier;
class ASTProgram;
class ASTVarIdentifier;
class ASTArrayIdentifier;
class ASTMethodDecl;
class ASTTypeIdentifier;
class ASTStatement;
class ASTExpression;
class ASTBlockStatement;
class ASTAssignmentStatement;
class ASTMethodCall;
class ASTNormalMethod;
class ASTCalloutMethod;
class ASTCalloutArg;
class ASTStringCalloutArg;
class ASTExpressionCalloutArg;
class ASTIfStatement;
class ASTForStatement;
class ASTReturnStatement;
class ASTContinueStatement;
class ASTBreakStatement;
class ASTLocation;
class ASTVarLocation;
class ASTArrayLocation;
class ASTLiteralExpression;
class ASTIntegerLiteralExpression;
class ASTCharLiteralExpression;
class ASTTrueLiteralExpression;
class ASTFalseLiteralExpression;
class ASTBinaryOperationExpression;
class ASTUnaryOperationExpression;

class Visitor
{
    public:
        virtual void * visit(ASTProgram *) = 0;
        virtual void * visit(ASTFieldDecl *) = 0;
        virtual void * visit(ASTVarDecl *) = 0;
        virtual void * visit(ASTIdentifier *) = 0;
        virtual void * visit(ASTVarIdentifier *) = 0;
        virtual void * visit(ASTArrayIdentifier *) = 0;
        virtual void * visit(ASTMethodDecl *) = 0;
        virtual void * visit(ASTTypeIdentifier *) = 0;
        virtual void * visit(ASTStatement *) = 0;
        virtual void * visit(ASTExpression *) = 0;
        virtual void * visit(ASTBlockStatement *) = 0;
        virtual void * visit(ASTAssignmentStatement *) = 0;
        virtual void * visit(ASTMethodCall *) = 0;
        virtual void * visit(ASTNormalMethod *) = 0;
        virtual void * visit(ASTCalloutMethod *) = 0;
        virtual void * visit(ASTCalloutArg *) = 0;
        virtual void * visit(ASTStringCalloutArg *) = 0;
        virtual void * visit(ASTExpressionCalloutArg *) = 0;
        virtual void * visit(ASTIfStatement *) = 0;
        virtual void * visit(ASTForStatement *) = 0;
        virtual void * visit(ASTReturnStatement *) = 0;
        virtual void * visit(ASTContinueStatement *) = 0;
        virtual void * visit(ASTBreakStatement *) = 0;
        virtual void * visit(ASTLocation *) = 0;
        virtual void * visit(ASTVarLocation *) = 0;
        virtual void * visit(ASTArrayLocation *) = 0;
        virtual void * visit(ASTLiteralExpression *) = 0;
        virtual void * visit(ASTIntegerLiteralExpression *) = 0;
        virtual void * visit(ASTCharLiteralExpression *) = 0;
        virtual void * visit(ASTTrueLiteralExpression *) = 0;
        virtual void * visit(ASTFalseLiteralExpression *) = 0;
        virtual void * visit(ASTBinaryOperationExpression *) = 0;
        virtual void * visit(ASTUnaryOperationExpression *) = 0;
};

#endif