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Fix bug where macro names can be treated as numeric symbols (#1653)

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This commit is contained in:
Rangi
2025-02-08 23:03:21 +01:00
committed by GitHub
parent 4c916b8da8
commit 177a3abfac
3 changed files with 27 additions and 0 deletions
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3
src/asm/rpn.cpp
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@@ -75,6 +75,9 @@ void Expression::makeSymbol(std::string const &symName) {
if (Symbol *sym = sym_FindScopedSymbol(symName); sym_IsPC(sym) && !sect_GetSymbolSection()) {
error("PC has no value outside of a section\n");
data = 0;
} else if (sym && !sym->isNumeric() && !sym->isLabel()) {
error("'%s' is not a numeric symbol\n", symName.c_str());
data = 0;
} else if (!sym || !sym->isConstant()) {
isSymbol = true;

11
test/asm/non-numeric-symbol.asm Normal file
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@@ -0,0 +1,11 @@
MACRO mac
ENDM
DEF n EQU mac
DEF v = 2 + mac
DEF k RB mac * 2
SECTION "test", ROM0
db mac
dw 2 + mac
dl mac * 2

13
test/asm/non-numeric-symbol.err Normal file
View File

@@ -0,0 +1,13 @@
error: non-numeric-symbol.asm(4):
'mac' is not a numeric symbol
error: non-numeric-symbol.asm(5):
'mac' is not a numeric symbol
error: non-numeric-symbol.asm(6):
'mac' is not a numeric symbol
error: non-numeric-symbol.asm(9):
'mac' is not a numeric symbol
error: non-numeric-symbol.asm(10):
'mac' is not a numeric symbol
error: non-numeric-symbol.asm(11):
'mac' is not a numeric symbol
error: Assembly aborted (6 errors)!