mirror of
https://github.com/luau-lang/luau.git
synced 2024-11-16 06:45:44 +08:00
557e77a676
- Add SUBRK and DIVRK bytecode instructions
- Enables future performance optimizations
Miscellaneous
- Small performance improvements to new non-strict mode
- Introduce more scripts for fuzzing
- Improcements to dataflow analysis
127 lines
3.2 KiB
C++
127 lines
3.2 KiB
C++
// This file is part of the Luau programming language and is licensed under MIT License; see LICENSE.txt for details
|
|
|
|
#include "doctest.h"
|
|
|
|
#include "Luau/Scope.h"
|
|
#include "Luau/ToString.h"
|
|
#include "Luau/TxnLog.h"
|
|
#include "Luau/Type.h"
|
|
#include "Luau/TypeArena.h"
|
|
|
|
#include "ScopedFlags.h"
|
|
|
|
using namespace Luau;
|
|
|
|
LUAU_FASTFLAG(DebugLuauDeferredConstraintResolution)
|
|
|
|
struct TxnLogFixture
|
|
{
|
|
TxnLog log{/*useScopes*/ true};
|
|
TxnLog log2{/*useScopes*/ true};
|
|
TypeArena arena;
|
|
BuiltinTypes builtinTypes;
|
|
|
|
ScopePtr globalScope = std::make_shared<Scope>(builtinTypes.anyTypePack);
|
|
ScopePtr childScope = std::make_shared<Scope>(globalScope);
|
|
|
|
TypeId a = freshType(NotNull{&arena}, NotNull{&builtinTypes}, globalScope.get());
|
|
TypeId b = freshType(NotNull{&arena}, NotNull{&builtinTypes}, globalScope.get());
|
|
TypeId c = freshType(NotNull{&arena}, NotNull{&builtinTypes}, childScope.get());
|
|
|
|
TypeId g = arena.addType(GenericType{"G"});
|
|
};
|
|
|
|
TEST_SUITE_BEGIN("TxnLog");
|
|
|
|
TEST_CASE_FIXTURE(TxnLogFixture, "colliding_union_incoming_type_has_greater_scope")
|
|
{
|
|
ScopedFastFlag sff{FFlag::DebugLuauDeferredConstraintResolution, true};
|
|
|
|
log.replace(c, BoundType{a});
|
|
log2.replace(a, BoundType{c});
|
|
|
|
CHECK(nullptr != log.pending(c));
|
|
|
|
log.concatAsUnion(std::move(log2), NotNull{&arena});
|
|
|
|
// 'a has greater scope than 'c, so we expect the incoming binding of 'a to
|
|
// be discarded.
|
|
|
|
CHECK(nullptr == log.pending(a));
|
|
|
|
const PendingType* pt = log.pending(c);
|
|
REQUIRE(pt != nullptr);
|
|
|
|
CHECK(!pt->dead);
|
|
const BoundType* bt = get_if<BoundType>(&pt->pending.ty);
|
|
|
|
CHECK(a == bt->boundTo);
|
|
|
|
log.commit();
|
|
|
|
REQUIRE(get<FreeType>(a));
|
|
|
|
const BoundType* bound = get<BoundType>(c);
|
|
REQUIRE(bound);
|
|
CHECK(a == bound->boundTo);
|
|
}
|
|
|
|
TEST_CASE_FIXTURE(TxnLogFixture, "colliding_union_incoming_type_has_lesser_scope")
|
|
{
|
|
ScopedFastFlag sff{FFlag::DebugLuauDeferredConstraintResolution, true};
|
|
|
|
log.replace(a, BoundType{c});
|
|
log2.replace(c, BoundType{a});
|
|
|
|
CHECK(nullptr != log.pending(a));
|
|
|
|
log.concatAsUnion(std::move(log2), NotNull{&arena});
|
|
|
|
// 'a has greater scope than 'c, so we expect the binding of 'a to be
|
|
// discarded, and for that of 'c to be brought in.
|
|
|
|
CHECK(nullptr == log.pending(a));
|
|
|
|
const PendingType* pt = log.pending(c);
|
|
REQUIRE(pt != nullptr);
|
|
|
|
CHECK(!pt->dead);
|
|
const BoundType* bt = get_if<BoundType>(&pt->pending.ty);
|
|
|
|
CHECK(a == bt->boundTo);
|
|
|
|
log.commit();
|
|
|
|
REQUIRE(get<FreeType>(a));
|
|
|
|
const BoundType* bound = get<BoundType>(c);
|
|
REQUIRE(bound);
|
|
CHECK(a == bound->boundTo);
|
|
}
|
|
|
|
TEST_CASE_FIXTURE(TxnLogFixture, "colliding_coincident_logs_do_not_create_degenerate_unions")
|
|
{
|
|
ScopedFastFlag sff{FFlag::DebugLuauDeferredConstraintResolution, true};
|
|
|
|
log.replace(a, BoundType{b});
|
|
log2.replace(a, BoundType{b});
|
|
|
|
log.concatAsUnion(std::move(log2), NotNull{&arena});
|
|
|
|
log.commit();
|
|
|
|
CHECK("'a" == toString(a));
|
|
CHECK("'a" == toString(b));
|
|
}
|
|
|
|
TEST_CASE_FIXTURE(TxnLogFixture, "replacing_persistent_types_is_allowed_but_makes_the_log_radioactive")
|
|
{
|
|
persist(g);
|
|
|
|
log.replace(g, BoundType{a});
|
|
|
|
CHECK(log.radioactive);
|
|
}
|
|
|
|
TEST_SUITE_END();
|