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https://github.com/luau-lang/luau.git
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31a017c5c7
* Rerun clang-format on the code
* Fix the variance on indexer result subtyping. This fixes some issues
with inconsistent error reporting.
* Fix a bug in the normalization logic for intersections of strings
New Type Solver
* New overload selection logic
* Subtype tests now correctly treat a generic as its upper bound within
that generic's scope
* Semantic subtyping for negation types
* Semantic subtyping between strings and compatible table types like
`{lower: (string) -> string}`
* Further work toward finalizing our new subtype test
* Correctly generalize module-scope symbols
Native Codegen
* Lowering statistics for assembly
* Make executable allocation size/limit configurable without a rebuild.
Use `FInt::LuauCodeGenBlockSize` and `FInt::LuauCodeGenMaxTotalSize`.
---------
Co-authored-by: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Co-authored-by: Vyacheslav Egorov <vegorov@roblox.com>
Co-authored-by: Lily Brown <lbrown@roblox.com>
96 lines
2.5 KiB
C++
96 lines
2.5 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 <string>
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#include <stddef.h>
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#include <stdint.h>
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struct lua_State;
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namespace Luau
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{
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namespace CodeGen
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{
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enum CodeGenFlags
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{
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// Only run native codegen for modules that have been marked with --!native
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CodeGen_OnlyNativeModules = 1 << 0,
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};
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enum class CodeGenCompilationResult
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{
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Success, // Successfully generated code for at least one function
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NothingToCompile, // There were no new functions to compile
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CodeGenNotInitialized, // Native codegen system is not initialized
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CodeGenFailed, // Native codegen failed due to an internal compiler error
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AllocationFailed, // Native codegen failed due to an allocation error
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};
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struct CompilationStats
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{
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size_t bytecodeSizeBytes = 0;
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size_t nativeCodeSizeBytes = 0;
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size_t nativeDataSizeBytes = 0;
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size_t nativeMetadataSizeBytes = 0;
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uint32_t functionsCompiled = 0;
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};
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using AllocationCallback = void(void* context, void* oldPointer, size_t oldSize, void* newPointer, size_t newSize);
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bool isSupported();
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void create(lua_State* L, AllocationCallback* allocationCallback, void* allocationCallbackContext);
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void create(lua_State* L);
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// Builds target function and all inner functions
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CodeGenCompilationResult compile(lua_State* L, int idx, unsigned int flags = 0, CompilationStats* stats = nullptr);
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using AnnotatorFn = void (*)(void* context, std::string& result, int fid, int instpos);
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struct AssemblyOptions
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{
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enum Target
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{
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Host,
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A64,
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A64_NoFeatures,
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X64_Windows,
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X64_SystemV,
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};
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Target target = Host;
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bool outputBinary = false;
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bool includeAssembly = false;
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bool includeIr = false;
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bool includeOutlinedCode = false;
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// Optional annotator function can be provided to describe each instruction, it takes function id and sequential instruction id
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AnnotatorFn annotator = nullptr;
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void* annotatorContext = nullptr;
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};
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struct LoweringStats
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{
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int spillsToSlot = 0;
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int spillsToRestore = 0;
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unsigned maxSpillSlotsUsed = 0;
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int regAllocErrors = 0;
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int loweringErrors = 0;
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};
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// Generates assembly for target function and all inner functions
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std::string getAssembly(lua_State* L, int idx, AssemblyOptions options = {}, LoweringStats* stats = nullptr);
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using PerfLogFn = void (*)(void* context, uintptr_t addr, unsigned size, const char* symbol);
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void setPerfLog(void* context, PerfLogFn logFn);
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} // namespace CodeGen
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} // namespace Luau
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