mirror of
https://github.com/luau-lang/luau.git
synced 2025-08-26 11:27:08 +01:00
713ee2ff8b
# What's Changed?
We've been hard at work fixing bugs in the new type solver and getting
it ready to go!
## Native Codegen
* Specialized Luau Codegen instruction for fetching an import.
As a reminder, an import is an expression like `global.thing` and covers
stuff like libraries without fastcalls `coroutine.resume`) and atomic
extern libraries.
## New Type Solver
* Fix an issue that prevented eager generalization from working properly
with OO styled code.
* Avoid copying uninitialized memory in Luau attribute parsing
* Improve type inference of unsealed tables.
* This fixes https://github.com/luau-lang/luau/issues/1838
* and https://github.com/luau-lang/luau/issues/1859
* Infer potential singleton string keys in autocomplete when the
expected index type is a union type.
* Avoid creating cyclic types when reducing types of the form `t1 where
t1 = refine<T, t1, Y>`
* The type cloner now does the same thing for the new and old solvers.
* Properly infer polarity (aka variance) for divergent table properties.
(ie tables whose read type and write type are not the same)
* Crash fixes.
---------
Co-authored-by: Hunter Goldstein <hgoldstein@roblox.com>
Co-authored-by: Varun Saini <61795485+vrn-sn@users.noreply.github.com>
Co-authored-by: Alexander Youngblood <ayoungblood@roblox.com>
Co-authored-by: Menarul Alam <malam@roblox.com>
Co-authored-by: Aviral Goel <agoel@roblox.com>
Co-authored-by: Vighnesh <vvijay@roblox.com>
Co-authored-by: Vyacheslav Egorov <vegorov@roblox.com>
Co-authored-by: Ariel Weiss <aaronweiss@roblox.com>
84 lines
2.3 KiB
C++
84 lines
2.3 KiB
C++
// This file is part of the Luau programming language and is licensed under MIT License; see LICENSE.txt for details
|
|
#include "Luau/Error.h"
|
|
|
|
#include "Fixture.h"
|
|
#include "doctest.h"
|
|
|
|
using namespace Luau;
|
|
|
|
LUAU_FASTFLAG(LuauSolverV2)
|
|
|
|
TEST_SUITE_BEGIN("ErrorTests");
|
|
|
|
TEST_CASE("TypeError_code_should_return_nonzero_code")
|
|
{
|
|
auto e = TypeError{{{0, 0}, {0, 1}}, UnknownSymbol{"Foo"}};
|
|
CHECK_GE(e.code(), 1000);
|
|
}
|
|
|
|
TEST_CASE_FIXTURE(BuiltinsFixture, "metatable_names_show_instead_of_tables")
|
|
{
|
|
getFrontend().options.retainFullTypeGraphs = false;
|
|
|
|
CheckResult result = check(R"(
|
|
--!strict
|
|
local Account = {}
|
|
Account.__index = Account
|
|
function Account.deposit(self: Account, x: number)
|
|
self.balance += x
|
|
end
|
|
type Account = typeof(setmetatable({} :: { balance: number }, Account))
|
|
local x: Account = 5
|
|
)");
|
|
|
|
LUAU_REQUIRE_ERROR_COUNT(1, result);
|
|
|
|
CHECK_EQ("Type 'number' could not be converted into 'Account'", toString(result.errors[0]));
|
|
}
|
|
|
|
TEST_CASE_FIXTURE(BuiltinsFixture, "binary_op_type_function_errors")
|
|
{
|
|
getFrontend().options.retainFullTypeGraphs = false;
|
|
|
|
CheckResult result = check(R"(
|
|
--!strict
|
|
local x = 1 + "foo"
|
|
)");
|
|
|
|
LUAU_REQUIRE_ERROR_COUNT(1, result);
|
|
|
|
if (FFlag::LuauSolverV2)
|
|
CHECK_EQ(
|
|
"Operator '+' could not be applied to operands of types number and string; there is no corresponding overload for __add",
|
|
toString(result.errors[0])
|
|
);
|
|
else
|
|
CHECK_EQ("Type 'string' could not be converted into 'number'", toString(result.errors[0]));
|
|
}
|
|
|
|
TEST_CASE_FIXTURE(BuiltinsFixture, "unary_op_type_function_errors")
|
|
{
|
|
getFrontend().options.retainFullTypeGraphs = false;
|
|
|
|
CheckResult result = check(R"(
|
|
--!strict
|
|
local x = -"foo"
|
|
)");
|
|
|
|
|
|
if (FFlag::LuauSolverV2)
|
|
{
|
|
LUAU_REQUIRE_ERROR_COUNT(2, result);
|
|
CHECK_EQ(
|
|
"Operator '-' could not be applied to operand of type string; there is no corresponding overload for __unm", toString(result.errors[0])
|
|
);
|
|
CHECK_EQ("Type 'string' could not be converted into 'number'", toString(result.errors[1]));
|
|
}
|
|
else
|
|
{
|
|
LUAU_REQUIRE_ERROR_COUNT(1, result);
|
|
CHECK_EQ("Type 'string' could not be converted into 'number'", toString(result.errors[0]));
|
|
}
|
|
}
|
|
|
|
TEST_SUITE_END();
|