66 lines
1.2 KiB
C
66 lines
1.2 KiB
C
#include "mcg.h"
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static void init_idf();
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static struct idf* str2idf(char* tg, int cp);
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#define IDF_TYPE struct symbol
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#define IDF_NAME symbol
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#include <idf_pkg.spec>
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#include <idf_pkg.body>
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void symbol_init(void)
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{
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init_idf();
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}
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bool symbol_exists(const char* name)
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{
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return !!findidf((char*) name);
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}
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struct symbol* symbol_get(const char* name)
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{
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struct idf* p = str2idf((char*) name, 0);
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p->symbol.name = p->id_text;
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return &p->symbol;
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}
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void symbol_declare(const char* name, bool is_exported, bool is_proc)
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{
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struct symbol* s = symbol_get(name);
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s->is_exported = is_exported;
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if (is_proc)
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{
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if (s->section == SECTION_UNKNOWN)
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s->section = SECTION_TEXT;
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else if (s->section != SECTION_TEXT)
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fatal("section mismatch for '%s'", name);
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}
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if (is_exported)
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fprintf(outputfile, ".extern %s\n", platform_label(name));
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}
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struct symbol* symbol_walk(symbol_walker_t* cb, void* user)
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{
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int i;
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for (i=0; i<IDF_HASHSIZE; i++)
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{
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struct idf* idf = IDF_hashtable[i];
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while (idf)
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{
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struct symbol* symbol = &idf->symbol;
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if (cb(symbol, user))
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return symbol;
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idf = idf->id_next;
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}
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}
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return NULL;
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}
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/* vim: set sw=4 ts=4 expandtab : */
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