mirror of
https://github.com/luau-lang/luau.git
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32fb6d10a7
- Fix some cases where type checking would overflow the native stack - Improve autocomplete behavior when assigning a partially written function call (not currently exposed through command line tools) - Improve autocomplete type inference feedback for some expressions where previously the type would not be known - Improve quantification performance during type checking for large types - Improve type checking for table literals when the expected type of the table is known because of a type annotation - Fix type checking errors in cases where required module has errors in the resulting type - Fix debug line information for multi-line chained call sequences (Add function name information for "attempt to call a nil value" #255) - lua_newuserdata now takes 2 arguments to match Lua/LuaJIT APIs better; lua_newuserdatatagged should be used if the third argument was non-0. - lua_ref can no longer be used with LUA_REGISTRYINDEX to prevent mistakes when migrating Lua FFI (Inconsistency with lua_ref #247) - Fix assertions and possible crashes when executing script code indirectly via metatable dispatch from lua_equal/lua_lessthan/lua_getfield/etc. (Hitting a crash in an assert after lua_equal is called. #259) - Fix flamegraph scripts to run under Python 2
58 lines
1.5 KiB
C++
58 lines
1.5 KiB
C++
// This file is part of the Luau programming language and is licensed under MIT License; see LICENSE.txt for details
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#pragma once
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#include "Luau/TypeVar.h"
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LUAU_FASTFLAG(LuauShareTxnSeen);
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namespace Luau
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{
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// Log of where what TypeIds we are rebinding and what they used to be
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struct TxnLog
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{
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TxnLog()
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: originalSeenSize(0)
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, ownedSeen()
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, sharedSeen(&ownedSeen)
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{
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}
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explicit TxnLog(std::vector<std::pair<TypeId, TypeId>>* sharedSeen)
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: originalSeenSize(sharedSeen->size())
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, ownedSeen()
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, sharedSeen(sharedSeen)
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{
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}
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TxnLog(const TxnLog&) = delete;
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TxnLog& operator=(const TxnLog&) = delete;
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TxnLog(TxnLog&&) = default;
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TxnLog& operator=(TxnLog&&) = default;
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void operator()(TypeId a);
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void operator()(TypePackId a);
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void operator()(TableTypeVar* a);
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void rollback();
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void concat(TxnLog rhs);
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bool haveSeen(TypeId lhs, TypeId rhs);
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void pushSeen(TypeId lhs, TypeId rhs);
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void popSeen(TypeId lhs, TypeId rhs);
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private:
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std::vector<std::pair<TypeId, TypeVar>> typeVarChanges;
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std::vector<std::pair<TypePackId, TypePackVar>> typePackChanges;
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std::vector<std::pair<TableTypeVar*, std::optional<TypeId>>> tableChanges;
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size_t originalSeenSize;
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public:
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std::vector<std::pair<TypeId, TypeId>> ownedSeen; // used to avoid infinite recursion when types are cyclic
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std::vector<std::pair<TypeId, TypeId>>* sharedSeen; // shared with all the descendent logs
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};
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} // namespace Luau
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