AstPrinter.h

#ifndef __ASTPRINTER_H__
#define __ASTPRINTER_H__

#include <iostream>
#include <fstream>
#include "Ast.h"
#include "SymTab.h"

using namespace std;

//extern SymTab *symTab;
extern int errorNum;
extern string fileName;

class AstPrinter: public AstVisitor {

	private:
		SymTab *symTab;
		int indent;
		int returnType;
		map<string, vector<int> > parameterMap;
		int parameterType;
		int indexNum;

		// indent for nested printing
		void doIndent( int lev )
		{
			// indent
			for( int i = 0; i < lev; i++ )
			cout << "  ";
		}

	public:

		AstPrinter( int indentLevel )
		{
			indent = indentLevel;
		}
	
		void visit( MethodDeclaration *aDeclNode );
		void visit( FieldDeclaration *aDeclNode );
		void visit( ParameterDeclaration *aDeclNode );
		void visit( VariableDeclaration *aDeclNode );
		void visit( ClassDeclaration *aDeclNode );
		void visit( LiteralExpression *anExpNode );
		void visit( ReferenceExpression *anExpNode );
		void visit( NewExpression *anExpNode );
		void visit( UnaryExpression *anExpNode );
		void visit( BinaryExpression *anExpNode );
		void visit( CastExpression *anExpNode );
		void visit( MethodCallExpression *anExpNode );
		void visit( AssignStatement *anStmtNode );
		void visit( WhileStatement *anStmtNode );
		void visit( ForStatement *anStmtNode );
		void visit( IfStatement *anStmtNode );
		void visit( ReturnStatement *anStmtNode );
		void visit( BlockStatement *anStmtNode );
		void visit( MethodCallStatement *anStmtNode );
		void visit( EmptyStatement *anStmtNode );
};

#endif