mirror of
https://github.com/gbdev/rgbds.git
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fa13611bbf
- Changes most `/* comments */` to `// comments` - Changes `/**` block comments consistently to `/*` - Adds consistent license comments to all files Also renames `T_POP_SET` to `T_Z80_SET`
69 lines
1.5 KiB
C
69 lines
1.5 KiB
C
/*
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* This file is part of RGBDS.
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*
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* Copyright (c) 2019, Eldred Habert and RGBDS contributors.
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*
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* SPDX-License-Identifier: MIT
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*/
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#include <inttypes.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include "link/object.h"
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#include "link/symbol.h"
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#include "link/main.h"
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#include "error.h"
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#include "hashmap.h"
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HashMap symbols;
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struct ForEachArg {
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void (*callback)(struct Symbol *symbol, void *arg);
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void *arg;
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};
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static void forEach(void *symbol, void *arg)
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{
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struct ForEachArg *callbackArg = (struct ForEachArg *)arg;
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callbackArg->callback((struct Symbol *)symbol, callbackArg->arg);
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}
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void sym_ForEach(void (*callback)(struct Symbol *, void *), void *arg)
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{
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struct ForEachArg callbackArg = { .callback = callback, .arg = arg};
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hash_ForEach(symbols, forEach, &callbackArg);
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}
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void sym_AddSymbol(struct Symbol *symbol)
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{
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// Check if the symbol already exists
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struct Symbol *other = hash_GetElement(symbols, symbol->name);
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if (other) {
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fprintf(stderr, "error: \"%s\" both in %s from ", symbol->name, symbol->objFileName);
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dumpFileStack(symbol->src);
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fprintf(stderr, "(%" PRIu32 ") and in %s from ",
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symbol->lineNo, other->objFileName);
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dumpFileStack(other->src);
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fprintf(stderr, "(%" PRIu32 ")\n", other->lineNo);
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exit(1);
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}
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// If not, add it
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hash_AddElement(symbols, symbol->name, symbol);
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}
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struct Symbol *sym_GetSymbol(char const *name)
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{
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return (struct Symbol *)hash_GetElement(symbols, name);
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}
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void sym_CleanupSymbols(void)
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{
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hash_EmptyMap(symbols);
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}
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