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Add intrinsics.type_has_field

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This commit is contained in:
gingerBill
2020-09-16 20:08:45 +01:00
parent f530c80216
commit 59d9821bd9
3 changed files with 34 additions and 0 deletions
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28
src/check_expr.cpp
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@@ -5702,6 +5702,34 @@ bool check_builtin_procedure(CheckerContext *c, Operand *operand, Ast *call, i32
operand->type = t_untyped_bool;
break;
case BuiltinProc_type_has_field:
{
Operand op = {};
Type *bt = check_type(c, ce->args[0]);
Type *type = base_type(bt);
if (type == nullptr || type == t_invalid) {
error(ce->args[0], "Expected a type for '%.*s'", LIT(builtin_name));
return false;
}
Operand x = {};
check_expr(c, &x, ce->args[1]);
if (!is_type_string(x.type) || x.mode != Addressing_Constant || x.value.kind != ExactValue_String) {
error(ce->args[1], "Expected a const string for field argument");
return false;
}
String field_name = x.value.value_string;
Selection sel = lookup_field(type, field_name, false);
operand->mode = Addressing_Constant;
operand->value = exact_value_bool(sel.index.count != 0);
operand->type = t_untyped_bool;
break;
}
break;
case BuiltinProc_type_is_specialization_of:
{
if (operand->mode != Addressing_Type) {