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Improve error messages when trying to access a non-existent field on a type

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This commit is contained in:
gingerBill
2023-02-21 23:08:02 +00:00
parent b6a5c5f5d2
commit 59a601f2cf
1 changed files with 22 additions and 13 deletions
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src/check_expr.cpp
+22 -13
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@@ -4745,20 +4745,29 @@ gb_internal Entity *check_selector(CheckerContext *c, Operand *operand, Ast *nod
gbString op_str = expr_to_string(op_expr); gbString op_str = expr_to_string(op_expr);
gbString type_str = type_to_string_shorthand(operand->type); gbString type_str = type_to_string_shorthand(operand->type);
gbString sel_str = expr_to_string(selector); gbString sel_str = expr_to_string(selector);
error(op_expr, "'%s' of type '%s' has no field '%s'", op_str, type_str, sel_str);
if (operand->type != nullptr && selector->kind == Ast_Ident) { if (operand->mode == Addressing_Type) {
String const &name = selector->Ident.token.string; if (is_type_polymorphic(operand->type, true)) {
Type *bt = base_type(operand->type); error(op_expr, "Type '%s' has no field nor polymorphic parameter '%s'", op_str, sel_str);
if (operand->type->kind == Type_Named && } else {
operand->type->Named.type_name && error(op_expr, "Type '%s' has no field '%s'", op_str, sel_str);
operand->type->Named.type_name->kind == Entity_TypeName && }
operand->type->Named.type_name->TypeName.objc_metadata) { } else {
check_did_you_mean_objc_entity(name, operand->type->Named.type_name, operand->mode == Addressing_Type); error(op_expr, "'%s' of type '%s' has no field '%s'", op_str, type_str, sel_str);
} else if (bt->kind == Type_Struct) {
check_did_you_mean_type(name, bt->Struct.fields); if (operand->type != nullptr && selector->kind == Ast_Ident) {
} else if (bt->kind == Type_Enum) { String const &name = selector->Ident.token.string;
check_did_you_mean_type(name, bt->Enum.fields); Type *bt = base_type(operand->type);
if (operand->type->kind == Type_Named &&
operand->type->Named.type_name &&
operand->type->Named.type_name->kind == Entity_TypeName &&
operand->type->Named.type_name->TypeName.objc_metadata) {
check_did_you_mean_objc_entity(name, operand->type->Named.type_name, operand->mode == Addressing_Type);
} else if (bt->kind == Type_Struct) {
check_did_you_mean_type(name, bt->Struct.fields);
} else if (bt->kind == Type_Enum) {
check_did_you_mean_type(name, bt->Enum.fields);
}
} }
} }