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git-svn-id: https://svn.code.sf.net/p/acme-crossass/code-0/trunk@159 4df02467-bbd4-4a76-a152-e7ce94205b78
55 lines
1.9 KiB
C
55 lines
1.9 KiB
C
// ACME - a crossassembler for producing 6502/65c02/65816/65ce02 code.
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// Copyright (C) 1998-2020 Marco Baye
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// Have a look at "acme.c" for further info
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//
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// symbol stuff
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#ifndef symbol_H
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#define symbol_H
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#include <stdio.h>
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#include "config.h"
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struct symbol {
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struct object result; // flags, value, address refs
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int usage; // usage count
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int pass; // pass of creation (for anon counters)
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boolean has_been_reported; // indicates "has been reported as undefined"
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// add file ref + line num of last definition
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};
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// Constants
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#define SCOPE_GLOBAL 0 // number of "global zone"
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// variables
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extern struct rwnode *symbols_forest[]; // trees (because of 8-bit hash)
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// function acts upon the symbol's flag bits and produces an error if needed.
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extern void symbol_set_object(struct symbol *symbol, struct object *new_value, boolean change_allowed);
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// parse label definition (can be either global or local).
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// name must be held in GlobalDynaBuf.
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extern void symbol_set_label(scope_t scope, int stat_flags, int force_bit, boolean change_allowed);
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// parse symbol definition (can be either global or local, may turn out to be a label).
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// name must be held in GlobalDynaBuf.
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extern void symbol_parse_definition(scope_t scope, int stat_flags);
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// search for symbol. create if nonexistant. if created, assign flags.
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// name must be held in GlobalDynaBuf.
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extern struct symbol *symbol_find(scope_t, int flags);
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// set global symbol to value, no questions asked (for "-D" switch)
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// name must be held in GlobalDynaBuf.
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extern void symbol_define(intval_t value);
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// dump global symbols to file
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extern void symbols_list(FILE *fd);
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// dump global labels to file in VICE format
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extern void symbols_vicelabels(FILE *fd);
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// fix name of anonymous forward label (held in GlobalDynaBuf, NOT TERMINATED!)
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// so it references the *next* anonymous forward label definition.
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extern void symbol_fix_forward_anon_name(boolean increment);
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#endif
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