1987-03-09 19:15:41 +00:00
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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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2019-05-10 17:17:40 +00:00
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#ifndef LOOKUP_H_
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#define LOOKUP_H_
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#include "types.h"
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1984-05-17 14:14:29 +00:00
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1984-05-18 13:04:34 +00:00
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#define IDL 100
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1984-05-17 13:42:36 +00:00
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struct sym {
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sym_p s_next;
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offset *s_rom;
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short s_flags;
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short s_frag;
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offset s_value;
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1984-05-18 13:04:34 +00:00
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char s_name[2]; /* to be extended up to IDL */
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1984-05-17 13:42:36 +00:00
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};
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/* contents of .s_flags */
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#define SYMPRO 000001
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#define SYMGLOBAL 000002
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#define SYMKNOWN 000004
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#define SYMOUT 000010
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#define SYMDEF 000020
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1987-03-09 10:15:51 +00:00
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#define SYMSEEN 000040
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1984-05-17 13:42:36 +00:00
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#define NSYMHASH 127
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extern sym_p symhash[NSYMHASH],symlookup();
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#define OCCURRING 0
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#define DEFINING 1
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#define NOTHING 2
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2019-05-10 17:17:40 +00:00
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/** Return the hash value of the specified string. */
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unsigned hash(char *string);
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num_p numlookup(unsigned number);
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/** Search the hash table for the specified name
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* and symbol type specified in `flags`.
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*/
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sym_p symlookup(char *name, int status, int flags);
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#endif /* LOOKUP_H_ */
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