ack/lang/cem/cemcom.ansi/stack.str
eck 00876cd9df added alloction dump
shrunk some data structures
changed some ALLOCDEF's
changed setjmp to __setjmp
1990-01-10 17:33:35 +00:00

35 lines
938 B
Plaintext

/*
* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
* See the copyright notice in the ACK home directory, in the file "Copyright".
*/
/* $Header$ */
/* IDENTIFIER STACK DEFINITIONS */
/* The identifier stack is implemented as a stack of sets.
The stack is implemented by a doubly linked list,
the sets by singly linked lists.
*/
struct stack_level {
struct stack_level *next;
struct stack_level *sl_next; /* upward link */
struct stack_level *sl_previous; /* downward link */
struct stack_entry *sl_entry; /* sideward link */
arith sl_local_offset; /* @ for first coming object */
arith sl_max_block; /* maximum size of sub-block */
int sl_level;
};
/* ALLOCDEF "stack_level" 5 */
struct stack_entry {
struct stack_entry *next;
struct idf *se_idf;
};
/* ALLOCDEF "stack_entry" 50 */
extern struct stack_level *local_level;
extern struct stack_level *stack_level_of();
extern int level;