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Fix #1061

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This commit is contained in:
gingerBill
2021-08-09 21:41:19 +01:00
parent 02f22a0b3f
commit c465171b45
1 changed files with 20 additions and 1 deletions
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21
src/check_expr.cpp
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@@ -3860,10 +3860,29 @@ Entity *check_selector(CheckerContext *c, Operand *operand, Ast *node, Type *typ
}
}
Type *original_type = operand->type;
Type *array_type = base_type(type_deref(original_type));
GB_ASSERT(array_type->kind == Type_Array);
i64 array_count = array_type->Array.count;
for (u8 i = 0; i < index_count; i++) {
u8 idx = indices>>(i*2) & 3;
if (idx >= array_count) {
char c = 0;
if (found_xyzw) {
c = swizzles_xyzw[idx];
} else if (found_rgba) {
c = swizzles_rgba[idx];
} else {
GB_PANIC("unknown swizzle kind");
}
error(selector->Ident.token, "Swizzle value is out of bounds, got %c, max count %lld", c, array_count);
break;
}
}
se->swizzle_count = index_count;
se->swizzle_indices = indices;
Type *original_type = operand->type;
AddressingMode prev_mode = operand->mode;
operand->mode = Addressing_SwizzleValue;