it looks like this should work. t#29

grammar.y

@@ -0,0 +1,46 @@
+%token ID 101
+%token T_INTEGER 201
+%token T_ADDRESS 202
+%token T_BOOLEAN 203
+%token T_CHARACTER 204
+%token T_STRING 205
+%token C_INTEGER 301
+%token C_NULL 302
+%token C_CHARACTER 303
+%token C_STRING 304
+%token C_TRUE 305
+%token C_FALSE 306
+%token WHILE 401
+%token IF 402
+%token THEN 403
+%token ELSE 404
+%token TYPE 405
+%token FUNCTION 406
+%token RETURN 407
+%token EXTERNAL 408
+%token AS 409
+%token L_PAREN 501
+%token R_PAREN 502
+%token L_BRACKET 503
+%token R_BRACKET 504
+%token L_BRACE 505
+%token R_BRACE 506
+%token SEMI_COLON 507
+%token COLON 508
+%token COMMA 509
+%token ARROW 510
+%token ADD 601
+%token SUB_OR_NEG 602
+%token MUL 603
+%token DIV 604
+%token REM 605
+%token LESS_THAN 606
+%token EQUAL_TO 607
+%token ASSIGN 608
+%token NOT 609
+%token AND 610
+%token OR 611
+%token DOT 612
+%token RESERVE 613
+%token RELEASE 614
+%token COMMENT 700