ack/lang/cem/cemcom.ansi/label.h
1989-02-07 11:04:05 +00:00

29 lines
916 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".
*/
/* $Header$ */
/* L A B E L D E F I N I T I O N */
#include <em_label.h> /* obtain definition of "label" */
#define NO_LABEL (label) 0
extern label lab_count;
#define text_label() (lab_count++) /* returns a new text label */
extern label datlab_count;
#define data_label() (datlab_count++) /* returns a new data label */
#define define_label(idf) enter_label(idf, 1);
/* The identifier idf is defined as a label. If it is new,
it is entered into the idf list with the largest possible
scope, i.e., on the lowest possible level.
*/
#define apply_label(idf) enter_label(idf, 0);
/* The identifier idf is applied as a label. It may or may
not be there, and if it is there, it may be from a
declaration or another application.
*/