class P extends Parser;

{
	FileIO fileio=new FileIO();
//	FileIO filemap=new FileIO();
//	
//	int dsllinenumber=0;
//	int gplbeginline=0;
//	int gplendline=0;
}

root
	:	(  b:BEGIN 
			{
				//filemap.begin("C:\\Eclipse3.0\\eclipse\\workspace\\org.eclipse.debug.examples.core\\src-core\\org\\eclipse\\debug\\examples\\core\\pda\\model\\Mapping.txt");
				//dsllinenumber=dsllinenumber+1;
				fileio.begin("C:\\Eclipse3.0\\eclipse\\runtime-workbench-workspace\\A\\Robot.java");
				fileio.print("public class Robot");
				fileio.print("{");
				fileio.print("	public static void main(String[] args) {");
				fileio.print("		int time = 0;");
				//gplbeginline=fileio.getLinenumber();
				//gplendline=fileio.getLinenumber();
				fileio.print(" ");
				//filemap.print("  mapping.add(new Map("+dsllinenumber+", \"Robot.java\","+gplbeginline+","+gplendline+"));");
			}
			
		   cs:commands 
		   {
		   		
		   }
		   
		   e:END EOF!
		   {
		   		//dsllinenumber=dsllinenumber+1;
		   		fileio.print("	System.out.println(\"time is \"+time);");
		   		//gplbeginline=fileio.getLinenumber();
				fileio.print("	}");
				//gplendline=fileio.getLinenumber();
				fileio.print("}");
				fileio.end();
//				filemap.print("  mapping.add(new Map("+dsllinenumber+", \"Robot.java\","+gplbeginline+","+gplendline+"));");
//				filemap.print("  mapping.add(new Map("+(dsllinenumber+1)+", \"Robot.java\","+gplendline+","+gplendline+"));");
//				filemap.print("dsllinenumber= "+dsllinenumber);
//				filemap.end();
		   }
			
		)

	;
	
commands
	:	( c:command cs:commands
			{
			//	System.out.pirntln("c "+c.getType());
			}
			|
			{
				System.out.println(" ");
			}
			
		)
		
	;

command 
	:	( RIGHT
			{
			//dsllinenumber=dsllinenumber+1;
			fileio.print("		//move right");
			fileio.print("		x=x+1;");
			//gplbeginline=fileio.getLinenumber();
			fileio.print("		time=time+1;");
			//gplendline=fileio.getLinenumber();
			fileio.print(" ");
			//filemap.print("  mapping.add(new Map("+dsllinenumber+", \"Robot.java\","+gplbeginline+","+gplendline+"));");
			}
		  |LEFT
		  {
		  	//dsllinenumber=dsllinenumber+1;
		  	fileio.print("		//move left");
			fileio.print("		x=x-1;");
			//gplbeginline=fileio.getLinenumber();
			fileio.print("		time=time+1;");
			//gplendline=fileio.getLinenumber();
			fileio.print(" ");
			//filemap.print("  mapping.add(new Map("+dsllinenumber+", \"Robot.java\","+gplbeginline+","+gplendline+"));");
		  }
		  |UP
		  {
		  	//dsllinenumber=dsllinenumber+1;
		  	fileio.print("		//move up");
			fileio.print("		y=y+1;");
			//gplbeginline=fileio.getLinenumber();
			fileio.print("		time=time+1;");
			//gplendline=fileio.getLinenumber();
			fileio.print(" ");
			//f//ilemap.print("  mapping.add(new Map("+dsllinenumber+", \"Robot.java\","+gplbeginline+","+gplendline+"));");
		  }
		  |DOWN
		  {
		  	//dsllinenumber=dsllinenumber+1;
		  	fileio.print("		//move down");
			fileio.print("		y=y-1;");
			//gplbeginline=fileio.getLinenumber();
			fileio.print("		time=time+1;");
			//gplendline=fileio.getLinenumber();
			fileio.print(" ");
			//filemap.print("  mapping.add(new Map("+dsllinenumber+", \"Robot.java\","+gplbeginline+","+gplendline+"));");
		  }
		  |  INIT VARIABLES LPAREN init_num1:NUMBER COMMA init_num2:NUMBER RPAREN
			{
			//dsllinenumber=dsllinenumber+1;
			fileio.print("		int x = "+init_num1.getText()+";");
			//gplbeginline=fileio.getLinenumber();
			fileio.print("		int y = "+init_num2.getText()+";");
			//gplendline=fileio.getLinenumber();
			//filemap.print("  mapping.add(new Map("+dsllinenumber+", \"Robot.java\","+gplbeginline+","+gplendline+"));");
			}
		  | SET VARIABLES LPAREN set_num1:NUMBER COMMA set_num2:NUMBER RPAREN
			{
			//dsllinenumber=dsllinenumber+1;
			fileio.print("		x = "+set_num1.getText()+";");
			//gplbeginline=fileio.getLinenumber();
			fileio.print("		y = "+set_num2.getText()+";");
			//gplendline=fileio.getLinenumber();
			fileio.print(" ");
			//filemap.print("  mapping.add(new Map("+dsllinenumber+", \"Robot.java\","+gplbeginline+","+gplendline+"));");
			}
		  | PRINT VARIABLES
			{
			
			//dsllinenumber=dsllinenumber+1;
			fileio.print("	System.out.println(\"x coordiator= \" + x + \" \" + \"y coordinator= \" + y);");
			//gplbeginline=fileio.getLinenumber();
			//gplendline=fileio.getLinenumber();
			//filemap.print("  mapping.add(new Map("+dsllinenumber+", \"Robot.java\","+gplbeginline+","+gplendline+"));");
			}
		)
		
	;
		
class L extends Lexer;


BEGIN : "begin"
	;
	
END	  : "end"
	;

RIGHT : "right"
	;
	
LEFT  : "left"
	;
	
UP	  : "up"
	;
	
DOWN  : "down"
	;

SET   : "set"
	;

PRINT  : "print"
	;

INIT   : "init"
	;
	
LPAREN	: '('
	;

RPAREN	: ')'
	;
	
COMMA   : ','
	;
	
	
// match a decimal age of any length
VARIABLES	:	('a'..'z'|'A'..'Z')+
	;
	
NUMBER		:   ('0'..'9')+
	;
// whitespace

WS	:	(	' '
		|	'\t'
		|	'\r' '\n' { newline(); }
		|	'\n' { newline(); }
		)
		{$setType(Token.SKIP);}	//ignore this token
	;