typedef union { struct {        /* bison doesn't know struct as a token type */
  St_ptr_type stp;       /* symbol table pointer */
                         /* 2 backpatch target lists: */
  bp_list *brk;          /* #1 contains positions of break statements */
  bp_list *cont;         /* #2 contains positions of continue statements */
  Ic_ptr_type tmp;       /* instruction # temp buffer for local backpatching */
  arglist_type *arglist; /* pointer to an argument list */
} t; } YYSTYPE;
#define	FOR	258
#define	TO	259
#define	DO	260
#define	ENDFOR	261
#define	IF	262
#define	THEN	263
#define	ELSE	264
#define	ENDIF	265
#define	WHILE	266
#define	ENDWHILE	267
#define	REPEAT	268
#define	UNTIL	269
#define	BREAK	270
#define	CONTINUE	271
#define	Delimiter	272
#define	Identifier	273
#define	Assignment	274
#define	OR	275
#define	AND	276
#define	NEQOP	277
#define	EQOP	278
#define	GEQOP	279
#define	LEQOP	280
#define	MOD	281
#define	DIV	282
#define	EXP	283
#define	SQRT	284
#define	LN	285
#define	LOG	286
#define	NOT	287
#define	SIGN	288


extern YYSTYPE yyzlval;