[antlr-interest] help regrading actions in antlr grammer

[atif azad]

Hello Dear
I am a student .And I am trying to add actions to this grammer as below.
I want to get a list of OPCODES and then operands on the terminal.
Can any one plz help me how can I do it without using the string Template 
and will be useful if also using the string template.
i will be greatful.


Here is the grammer

grammar assemb;
options {output=template; rewrite=true;}


program
    :   (stat)+

    ;

stat:    OPCODE operands

    ;
operands
    :REGISTER SEMI
     | REGISTER  COMMA REGISTER  SEMI
    ;

OPCODE :
     'add'
	|'store'
	|'load'
	|'call'
	|'ret'
	|'print' ;

REGISTER :
	   'r1'
           |'r2'
	   |'r3'
           |'r4'   ;

NUM  :    '[0-9]+' ;
ID   :    '[a-zA-Z]+' ;

EOL
    : (('\r')? '\n') ;

WS
    : (
    | (' ' | '\t')
    ) { $channel=HIDDEN; }
    ;
SEMI:
     ';'
    ;
COMMA:
      ','
      ;



Regards
Azad , Atif

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