43 lines
1.2 KiB
C
43 lines
1.2 KiB
C
/*
|
|
* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
|
|
* See the copyright notice in the ACK home directory, in the file "Copyright".
|
|
*/
|
|
/* $Id$ */
|
|
#ifndef EXPR_H_
|
|
#define EXPR_H_
|
|
|
|
typedef struct expr {
|
|
int ex_typ;
|
|
short ex_regset[SZOFSET(MAXREGS)];
|
|
int ex_index;
|
|
} expr_t,*expr_p;
|
|
|
|
#define TYPINT 1
|
|
#define TYPBOOL 2
|
|
#define TYPADDR 3
|
|
#define TYPREG 4
|
|
|
|
int ex_lookup(int operator, int lnode, int rnode);
|
|
void initnodes(void);
|
|
expr_t regvar_expr(expr_t e, int regtyp, int regsiz);
|
|
expr_t iextoaddr(expr_t e);
|
|
expr_t sum_expr(expr_t e1, expr_t e2);
|
|
int ne2expr(expr_t e1, expr_t e2);
|
|
int eq2expr(expr_t e1, expr_t e2);
|
|
expr_t all_expr(int all_no, int subreg);
|
|
expr_t perc_ident_expr(char *name);
|
|
expr_t tokm_expr(int tokarg, char *name);
|
|
int membset(int setno, char *name, short *regset, char *appearance, int restyp, int *typp);
|
|
void subregset(register short *sp, int subreg, register short *regset);
|
|
expr_t subreg_expr(int tokarg, int subreg);
|
|
expr_t ident_expr(char *name);
|
|
expr_t make_expr(int type, int operator, int op1, int op2);
|
|
int b_expr(expr_t e);
|
|
int i_expr(expr_t e);
|
|
|
|
|
|
/* When the type is register the regset contains the set of
|
|
possible registers for checking purposes only.
|
|
*/
|
|
|
|
#endif /* EXPR_H_ */
|