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Check the expression type when casting constants.

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Not all constant expressions are ex_value. This fixes the bogus errors and
ice in paroxysm.
This commit is contained in:
Bill Currie 2012-12-21 17:12:41 +09:00
parent 84a68b139e
commit 452728126d
1 changed files with 13 additions and 1 deletions
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14
tools/qfcc/source/expr.c
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@ -2677,7 +2677,19 @@ cast_expr (type_t *type, expr_t *e)
if (is_array (e_type))
return address_expr (e, 0, 0);
if (is_constant (e) && is_scalar (type) && is_scalar (e_type)) {
e->e.value = convert_value (e->e.value, type);
ex_value_t *val = 0;
if (e->type == ex_symbol && e->e.symbol->sy_type == sy_const) {
val = e->e.symbol->s.value;
} else if (e->type == ex_value) {
val = e->e.value;
} else if (e->type == ex_nil) {
convert_nil (e, type);
return e;
}
if (!val)
internal_error (e, "unexpected constant expression type");
e->e.value = convert_value (val, type);
e->type = ex_value;
c = e;
} else if ((is_float (type) && is_integral (e_type))
|| (is_integral (type) && is_float (e_type))) {