anchor.diff:  
   operand_decl
   	: NAME EQUATE LCURLY parameter_list RCURLY
  -	| NAME parameter_list (LSQUARE parameter_list RSQUARE)? ASSIGNSIZE exp
  +	| NAME parameter_list (LSQUARE parameter_list RSQUARE)? ASSIGNTYPE expr
   	;
   
   definition
  
positive.code: class sslParser extends Parser;
  options {
  	buildAST = true;
  	k = 5;
  }
  
  tokens {
  
negative.code: 
  protected
  NUM	:
  		( { s = 1 }
  		|'-'! { s = -1 }
  		)
  		( ('0'..'9')+ { v = int($getText) }
  		| "0x"! ('0'..'9'|'A'..'F')+ { v = int($getText, 16) }
  		| "2**"! ('0'..'9')+ { v = 2**int($getText) }
  		)
  		{ v = str(v*s); $setText(v) }
  	;
  
  protected
  FLOATNUM
  	: ('-')? ('0'..'9')+ '.' ('0'..'9')+ ( ('e'|'E') NUM )?
  	;
  
  FLOAT_OR_NUM
  	: (FLOATNUM ) => FLOATNUM { $setType(FLOATNUM); }
  