ack/lang/pc/comp/scope.xh

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/* S C O P E M E C H A N I S M */
#ifndef SCOPE_H_
#define SCOPE_H_
struct scope {
struct scope *next;
struct def *sc_def; /* list of definitions in this scope */
int sc_level; /* level of this scope */
arith sc_off; /* offsets of variables in this scope */
struct node *sc_lablist;/* list of labels in this scope, to speed
up label handling
*/
};
/* ALLOCDEF "scope" 10 */
struct scopelist {
struct scopelist *next;
struct scope *sc_scope;
int sc_count;
};
/* ALLOCDEF "scopelist" 10 */
extern struct scope
*GlobalScope,
*PervasiveScope,
*BlockScope;
extern struct scopelist
*CurrVis;
#define CurrentScope (CurrVis->sc_scope)
#define nextvisible(x) ((x)->next) /* use with scopelists */
void InitScope(void);
void open_scope(void);
void close_scope(int doclean);
void Forward(register struct node *nd, register struct type *tp);
void chk_prog_params(void);
void chk_directives(void);
#endif