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