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Merge pull request #16 from yenatch/eval-rpn-bank

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rgbasm: Evaluate BANK() arguments to verify they exist.
This commit is contained in:
AntonioND
2017-02-27 21:21:45 +00:00
committed by GitHub
parent c7fe281c86 b2d523acde
commit 7b8d4de35c
1 changed files with 3 additions and 6 deletions
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9
src/asm/rpn.c
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@@ -114,14 +114,11 @@ void
rpn_Bank(struct Expression * expr, char *tzSym) rpn_Bank(struct Expression * expr, char *tzSym)
{ {
if (!sym_isConstant(tzSym)) { if (!sym_isConstant(tzSym)) {
struct sSymbol *psym;
rpn_Reset(expr); rpn_Reset(expr);
psym = sym_FindSymbol(tzSym); /* Check that the symbol exists by evaluating and discarding the value. */
if (nPass == 2 && psym == NULL) { sym_GetValue(tzSym);
yyerror("'%s' not defined", tzSym);
}
expr->isReloc = 1; expr->isReloc = 1;
pushbyte(expr, RPN_BANK); pushbyte(expr, RPN_BANK);
while (*tzSym) while (*tzSym)