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Treat *x as an unary operator to improve error messages for common C-programmer mistakes

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This commit is contained in:
gingerBill
2024-03-23 16:51:04 +00:00
parent 61aa4558dc
commit 1d46adb598
3 changed files with 34 additions and 2 deletions
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13
src/check_expr.cpp
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@@ -1800,6 +1800,19 @@ gb_internal bool check_unary_op(CheckerContext *c, Operand *o, Token op) {
}
break;
case Token_Mul:
{
ERROR_BLOCK();
error(op, "Operator '%.*s' is not a valid unary operator in Odin", LIT(op.string));
if (is_type_pointer(o->type)) {
str = expr_to_string(o->expr);
error_line("\tSuggestion: Did you mean '%s^'?\n", str);
} else if (is_type_multi_pointer(o->type)) {
str = expr_to_string(o->expr);
error_line("\tSuggestion: The value is a multi-pointer, did you mean '%s[0]'?\n", str);
}
}
break;
default:
error(op, "Unknown operator '%.*s'", LIT(op.string));
return false;