ack/lang/m2/comp/chk_expr.h
1987-10-14 12:34:47 +00:00

25 lines
749 B
C

/*
* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
* See the copyright notice in the ACK home directory, in the file "Copyright".
*
* Author: Ceriel J.H. Jacobs
*/
/* E X P R E S S I O N C H E C K I N G */
/* $Header$ */
extern int (*ExprChkTable[])(); /* table of expression checking
functions, indexed by node class
*/
extern int (*DesigChkTable[])(); /* table of designator checking
functions, indexed by node class
*/
#define ChkExpression(expp) ((*ExprChkTable[(expp)->nd_class])(expp))
#define ChkDesignator(expp) ((*DesigChkTable[(expp)->nd_class])(expp))
#define inc_refcount(s) (*((s) - 1) += 1)
#define dec_refcount(s) (*((s) - 1) -= 1)
#define refcount(s) (*((s) - 1))