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Allow REDEF for EQU constants

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Fixes #853
This commit is contained in:
Rangi
2021-04-25 21:06:19 -04:00
committed by Eldred Habert
parent ee67f1039c
commit 8e4ba8d2e4
15 changed files with 99 additions and 6 deletions
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24
src/asm/symbol.c
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@@ -397,6 +397,30 @@ struct Symbol *sym_AddEqu(char const *symName, int32_t value)
return sym;
}
struct Symbol *sym_RedefEqu(char const *symName, int32_t value)
{
struct Symbol *sym = sym_FindExactSymbol(symName);
if (!sym)
return sym_AddEqu(symName, value);
if (sym_IsDefined(sym) && sym->type != SYM_EQU) {
error("'%s' already defined as non-EQU at ", symName);
dumpFilename(sym);
putc('\n', stderr);
return NULL;
} else if (sym->isBuiltin) {
error("Built-in symbol '%s' cannot be redefined\n", symName);
return NULL;
}
updateSymbolFilename(sym);
sym->type = SYM_EQU;
sym->value = value;
return sym;
}
/*
* Add a string equated symbol.
*