mirror of
https://github.com/luau-lang/luau.git
synced 2024-12-13 05:20:38 +00:00
1902 lines
51 KiB
C++
1902 lines
51 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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#include "lua.h"
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#include "lualib.h"
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#include "luacode.h"
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#include "luacodegen.h"
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#include "Luau/BuiltinDefinitions.h"
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#include "Luau/DenseHash.h"
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#include "Luau/ModuleResolver.h"
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#include "Luau/TypeInfer.h"
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#include "Luau/BytecodeBuilder.h"
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#include "Luau/Frontend.h"
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#include "doctest.h"
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#include "ScopedFlags.h"
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#include <fstream>
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#include <string>
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#include <vector>
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#include <math.h>
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extern bool verbose;
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extern bool codegen;
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extern int optimizationLevel;
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LUAU_FASTFLAG(LuauFloorDivision);
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static lua_CompileOptions defaultOptions()
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{
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lua_CompileOptions copts = {};
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copts.optimizationLevel = optimizationLevel;
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copts.debugLevel = 1;
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return copts;
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}
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static int lua_collectgarbage(lua_State* L)
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{
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static const char* const opts[] = {"stop", "restart", "collect", "count", "isrunning", "step", "setgoal", "setstepmul", "setstepsize", nullptr};
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static const int optsnum[] = {
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LUA_GCSTOP, LUA_GCRESTART, LUA_GCCOLLECT, LUA_GCCOUNT, LUA_GCISRUNNING, LUA_GCSTEP, LUA_GCSETGOAL, LUA_GCSETSTEPMUL, LUA_GCSETSTEPSIZE};
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int o = luaL_checkoption(L, 1, "collect", opts);
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int ex = luaL_optinteger(L, 2, 0);
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int res = lua_gc(L, optsnum[o], ex);
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switch (optsnum[o])
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{
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case LUA_GCSTEP:
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case LUA_GCISRUNNING:
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{
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lua_pushboolean(L, res);
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return 1;
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}
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default:
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{
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lua_pushnumber(L, res);
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return 1;
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}
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}
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}
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static int lua_loadstring(lua_State* L)
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{
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size_t l = 0;
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const char* s = luaL_checklstring(L, 1, &l);
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const char* chunkname = luaL_optstring(L, 2, s);
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lua_setsafeenv(L, LUA_ENVIRONINDEX, false);
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size_t bytecodeSize = 0;
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char* bytecode = luau_compile(s, l, nullptr, &bytecodeSize);
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int result = luau_load(L, chunkname, bytecode, bytecodeSize, 0);
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free(bytecode);
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if (result == 0)
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return 1;
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lua_pushnil(L);
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lua_insert(L, -2); // put before error message
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return 2; // return nil plus error message
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}
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static int lua_vector(lua_State* L)
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{
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double x = luaL_checknumber(L, 1);
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double y = luaL_checknumber(L, 2);
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double z = luaL_checknumber(L, 3);
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#if LUA_VECTOR_SIZE == 4
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double w = luaL_optnumber(L, 4, 0.0);
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lua_pushvector(L, float(x), float(y), float(z), float(w));
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#else
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lua_pushvector(L, float(x), float(y), float(z));
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#endif
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return 1;
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}
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static int lua_vector_dot(lua_State* L)
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{
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const float* a = luaL_checkvector(L, 1);
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const float* b = luaL_checkvector(L, 2);
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lua_pushnumber(L, a[0] * b[0] + a[1] * b[1] + a[2] * b[2]);
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return 1;
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}
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static int lua_vector_index(lua_State* L)
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{
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const float* v = luaL_checkvector(L, 1);
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const char* name = luaL_checkstring(L, 2);
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if (strcmp(name, "Magnitude") == 0)
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{
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lua_pushnumber(L, sqrtf(v[0] * v[0] + v[1] * v[1] + v[2] * v[2]));
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return 1;
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}
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if (strcmp(name, "Dot") == 0)
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{
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lua_pushcfunction(L, lua_vector_dot, "Dot");
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return 1;
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}
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luaL_error(L, "%s is not a valid member of vector", name);
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}
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static int lua_vector_namecall(lua_State* L)
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{
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if (const char* str = lua_namecallatom(L, nullptr))
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{
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if (strcmp(str, "Dot") == 0)
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return lua_vector_dot(L);
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}
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luaL_error(L, "%s is not a valid method of vector", luaL_checkstring(L, 1));
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}
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int lua_silence(lua_State* L)
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{
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return 0;
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}
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using StateRef = std::unique_ptr<lua_State, void (*)(lua_State*)>;
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static StateRef runConformance(const char* name, void (*setup)(lua_State* L) = nullptr, void (*yield)(lua_State* L) = nullptr,
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lua_State* initialLuaState = nullptr, lua_CompileOptions* options = nullptr, bool skipCodegen = false)
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{
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#ifdef LUAU_CONFORMANCE_SOURCE_DIR
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std::string path = LUAU_CONFORMANCE_SOURCE_DIR;
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path += "/";
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path += name;
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#else
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std::string path = __FILE__;
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path.erase(path.find_last_of("\\/"));
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path += "/conformance/";
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path += name;
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#endif
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std::fstream stream(path, std::ios::in | std::ios::binary);
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INFO(path);
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REQUIRE(stream);
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std::string source(std::istreambuf_iterator<char>(stream), {});
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stream.close();
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if (!initialLuaState)
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initialLuaState = luaL_newstate();
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StateRef globalState(initialLuaState, lua_close);
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lua_State* L = globalState.get();
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if (codegen && !skipCodegen && luau_codegen_supported())
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luau_codegen_create(L);
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luaL_openlibs(L);
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// Register a few global functions for conformance tests
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std::vector<luaL_Reg> funcs = {
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{"collectgarbage", lua_collectgarbage},
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{"loadstring", lua_loadstring},
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};
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if (!verbose)
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{
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funcs.push_back({"print", lua_silence});
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}
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// "null" terminate the list of functions to register
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funcs.push_back({nullptr, nullptr});
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lua_pushvalue(L, LUA_GLOBALSINDEX);
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luaL_register(L, nullptr, funcs.data());
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lua_pop(L, 1);
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// In some configurations we have a larger C stack consumption which trips some conformance tests
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#if defined(LUAU_ENABLE_ASAN) || defined(_NOOPT) || defined(_DEBUG)
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lua_pushboolean(L, true);
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lua_setglobal(L, "limitedstack");
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#endif
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// Extra test-specific setup
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if (setup)
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setup(L);
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// Protect core libraries and metatables from modification
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luaL_sandbox(L);
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// Create a new writable global table for current thread
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luaL_sandboxthread(L);
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// Lua conformance tests treat _G synonymously with getfenv(); for now cater to them
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lua_pushvalue(L, LUA_GLOBALSINDEX);
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lua_pushvalue(L, LUA_GLOBALSINDEX);
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lua_setfield(L, -1, "_G");
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std::string chunkname = "=" + std::string(name);
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// note: luau_compile supports nullptr options, but we need to customize our defaults to improve test coverage
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lua_CompileOptions opts = options ? *options : defaultOptions();
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size_t bytecodeSize = 0;
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char* bytecode = luau_compile(source.data(), source.size(), &opts, &bytecodeSize);
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int result = luau_load(L, chunkname.c_str(), bytecode, bytecodeSize, 0);
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free(bytecode);
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if (result == 0 && codegen && !skipCodegen && luau_codegen_supported())
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luau_codegen_compile(L, -1);
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int status = (result == 0) ? lua_resume(L, nullptr, 0) : LUA_ERRSYNTAX;
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while (yield && (status == LUA_YIELD || status == LUA_BREAK))
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{
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yield(L);
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status = lua_resume(L, nullptr, 0);
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}
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extern void luaC_validate(lua_State * L); // internal function, declared in lgc.h - not exposed via lua.h
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luaC_validate(L);
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if (status == 0)
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{
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REQUIRE(lua_isstring(L, -1));
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CHECK(std::string(lua_tostring(L, -1)) == "OK");
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}
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else
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{
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std::string error = (status == LUA_YIELD) ? "thread yielded unexpectedly" : lua_tostring(L, -1);
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error += "\nstacktrace:\n";
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error += lua_debugtrace(L);
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FAIL(error);
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}
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return globalState;
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}
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static void* limitedRealloc(void* ud, void* ptr, size_t osize, size_t nsize)
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{
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if (nsize == 0)
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{
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free(ptr);
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return nullptr;
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}
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else if (nsize > 8 * 1024 * 1024)
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{
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// For testing purposes return null for large allocations so we can generate errors related to memory allocation failures
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return nullptr;
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}
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else
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{
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return realloc(ptr, nsize);
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}
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}
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TEST_SUITE_BEGIN("Conformance");
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TEST_CASE("CodegenSupported")
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{
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if (codegen && !luau_codegen_supported())
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MESSAGE("Native code generation is not supported by the current configuration and will be disabled");
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}
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TEST_CASE("Assert")
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{
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runConformance("assert.lua");
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}
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TEST_CASE("Basic")
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{
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ScopedFastFlag sffs{"LuauFloorDivision", true};
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ScopedFastFlag sfff{"LuauImproveForN", true};
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runConformance("basic.lua");
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}
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TEST_CASE("Math")
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{
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runConformance("math.lua");
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}
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TEST_CASE("Tables")
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{
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runConformance("tables.lua", [](lua_State* L) {
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lua_pushcfunction(
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L,
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[](lua_State* L) {
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if (lua_type(L, 1) == LUA_TNUMBER)
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{
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unsigned v = luaL_checkunsigned(L, 1);
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lua_pushlightuserdata(L, reinterpret_cast<void*>(uintptr_t(v)));
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}
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else
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{
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const void* p = lua_topointer(L, 1);
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lua_pushlightuserdata(L, const_cast<void*>(p));
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}
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return 1;
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},
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"makelud");
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lua_setglobal(L, "makelud");
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});
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}
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TEST_CASE("PatternMatch")
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{
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runConformance("pm.lua");
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}
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TEST_CASE("Sort")
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{
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runConformance("sort.lua");
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}
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TEST_CASE("Move")
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{
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runConformance("move.lua");
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}
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TEST_CASE("Clear")
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{
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runConformance("clear.lua");
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}
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TEST_CASE("Strings")
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{
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runConformance("strings.lua");
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}
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TEST_CASE("StringInterp")
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{
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runConformance("stringinterp.lua");
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}
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TEST_CASE("VarArg")
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{
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runConformance("vararg.lua");
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}
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TEST_CASE("Locals")
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{
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runConformance("locals.lua");
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}
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TEST_CASE("Literals")
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{
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runConformance("literals.lua");
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}
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TEST_CASE("Errors")
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{
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runConformance("errors.lua");
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}
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TEST_CASE("Events")
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{
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ScopedFastFlag sffs{"LuauFloorDivision", true};
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runConformance("events.lua");
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}
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TEST_CASE("Constructs")
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{
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runConformance("constructs.lua");
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}
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TEST_CASE("Closure")
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{
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runConformance("closure.lua");
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}
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TEST_CASE("Calls")
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{
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runConformance("calls.lua");
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}
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TEST_CASE("Attrib")
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{
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runConformance("attrib.lua");
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}
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TEST_CASE("GC")
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{
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runConformance("gc.lua");
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}
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TEST_CASE("Bitwise")
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{
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runConformance("bitwise.lua");
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}
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TEST_CASE("UTF8")
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{
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runConformance("utf8.lua");
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}
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TEST_CASE("Coroutine")
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{
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runConformance("coroutine.lua");
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}
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static int cxxthrow(lua_State* L)
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{
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#if LUA_USE_LONGJMP
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luaL_error(L, "oops");
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#else
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throw std::runtime_error("oops");
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#endif
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}
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TEST_CASE("PCall")
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{
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runConformance(
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"pcall.lua",
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[](lua_State* L) {
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lua_pushcfunction(L, cxxthrow, "cxxthrow");
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lua_setglobal(L, "cxxthrow");
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lua_pushcfunction(
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L,
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[](lua_State* L) -> int {
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lua_State* co = lua_tothread(L, 1);
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lua_xmove(L, co, 1);
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lua_resumeerror(co, L);
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return 0;
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},
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"resumeerror");
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lua_setglobal(L, "resumeerror");
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},
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nullptr, lua_newstate(limitedRealloc, nullptr));
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}
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TEST_CASE("Pack")
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{
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runConformance("tpack.lua");
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}
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TEST_CASE("Vector")
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{
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ScopedFastFlag sffs{"LuauFloorDivision", true};
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lua_CompileOptions copts = defaultOptions();
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copts.vectorCtor = "vector";
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runConformance(
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"vector.lua",
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[](lua_State* L) {
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lua_pushcfunction(L, lua_vector, "vector");
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lua_setglobal(L, "vector");
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#if LUA_VECTOR_SIZE == 4
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lua_pushvector(L, 0.0f, 0.0f, 0.0f, 0.0f);
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#else
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lua_pushvector(L, 0.0f, 0.0f, 0.0f);
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#endif
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luaL_newmetatable(L, "vector");
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lua_pushstring(L, "__index");
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lua_pushcfunction(L, lua_vector_index, nullptr);
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lua_settable(L, -3);
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lua_pushstring(L, "__namecall");
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lua_pushcfunction(L, lua_vector_namecall, nullptr);
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lua_settable(L, -3);
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lua_setreadonly(L, -1, true);
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lua_setmetatable(L, -2);
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lua_pop(L, 1);
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},
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nullptr, nullptr, &copts);
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}
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static void populateRTTI(lua_State* L, Luau::TypeId type)
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{
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if (auto p = Luau::get<Luau::PrimitiveType>(type))
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{
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switch (p->type)
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{
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case Luau::PrimitiveType::Boolean:
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lua_pushstring(L, "boolean");
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break;
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case Luau::PrimitiveType::NilType:
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lua_pushstring(L, "nil");
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break;
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case Luau::PrimitiveType::Number:
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lua_pushstring(L, "number");
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break;
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case Luau::PrimitiveType::String:
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lua_pushstring(L, "string");
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break;
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case Luau::PrimitiveType::Thread:
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lua_pushstring(L, "thread");
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break;
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default:
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LUAU_ASSERT(!"Unknown primitive type");
|
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}
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}
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else if (auto t = Luau::get<Luau::TableType>(type))
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{
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lua_newtable(L);
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for (const auto& [name, prop] : t->props)
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{
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populateRTTI(L, prop.type());
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lua_setfield(L, -2, name.c_str());
|
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}
|
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}
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else if (Luau::get<Luau::FunctionType>(type))
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{
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lua_pushstring(L, "function");
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}
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else if (Luau::get<Luau::AnyType>(type))
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{
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lua_pushstring(L, "any");
|
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}
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else if (auto i = Luau::get<Luau::IntersectionType>(type))
|
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{
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for (const auto& part : i->parts)
|
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LUAU_ASSERT(Luau::get<Luau::FunctionType>(part));
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|
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lua_pushstring(L, "function");
|
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}
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else
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{
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LUAU_ASSERT(!"Unknown type");
|
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}
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}
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|
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TEST_CASE("Types")
|
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{
|
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runConformance("types.lua", [](lua_State* L) {
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Luau::NullModuleResolver moduleResolver;
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Luau::NullFileResolver fileResolver;
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Luau::NullConfigResolver configResolver;
|
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Luau::Frontend frontend{&fileResolver, &configResolver};
|
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Luau::registerBuiltinGlobals(frontend, frontend.globals);
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Luau::freeze(frontend.globals.globalTypes);
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lua_newtable(L);
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|
|
for (const auto& [name, binding] : frontend.globals.globalScope->bindings)
|
|
{
|
|
populateRTTI(L, binding.typeId);
|
|
lua_setfield(L, -2, toString(name).c_str());
|
|
}
|
|
|
|
lua_setglobal(L, "RTTI");
|
|
});
|
|
}
|
|
|
|
TEST_CASE("DateTime")
|
|
{
|
|
runConformance("datetime.lua");
|
|
}
|
|
|
|
TEST_CASE("Debug")
|
|
{
|
|
runConformance("debug.lua");
|
|
}
|
|
|
|
TEST_CASE("Debugger")
|
|
{
|
|
static int breakhits = 0;
|
|
static lua_State* interruptedthread = nullptr;
|
|
static bool singlestep = false;
|
|
static int stephits = 0;
|
|
|
|
SUBCASE("")
|
|
{
|
|
singlestep = false;
|
|
}
|
|
SUBCASE("SingleStep")
|
|
{
|
|
singlestep = true;
|
|
}
|
|
|
|
breakhits = 0;
|
|
interruptedthread = nullptr;
|
|
stephits = 0;
|
|
|
|
lua_CompileOptions copts = defaultOptions();
|
|
copts.debugLevel = 2;
|
|
|
|
runConformance(
|
|
"debugger.lua",
|
|
[](lua_State* L) {
|
|
lua_Callbacks* cb = lua_callbacks(L);
|
|
|
|
lua_singlestep(L, singlestep);
|
|
|
|
// this will only be called in single-step mode
|
|
cb->debugstep = [](lua_State* L, lua_Debug* ar) {
|
|
stephits++;
|
|
};
|
|
|
|
// for breakpoints to work we should make sure debugbreak is installed
|
|
cb->debugbreak = [](lua_State* L, lua_Debug* ar) {
|
|
breakhits++;
|
|
|
|
// make sure we can trace the stack for every breakpoint we hit
|
|
lua_debugtrace(L);
|
|
|
|
// for every breakpoint, we break on the first invocation and continue on second
|
|
// this allows us to easily step off breakpoints
|
|
// (real implementaiton may require singlestepping)
|
|
if (breakhits % 2 == 1)
|
|
lua_break(L);
|
|
};
|
|
|
|
// for resuming off a breakpoint inside a coroutine we need to resume the interrupted coroutine
|
|
cb->debuginterrupt = [](lua_State* L, lua_Debug* ar) {
|
|
CHECK(interruptedthread == nullptr);
|
|
CHECK(ar->userdata); // userdata contains the interrupted thread
|
|
|
|
interruptedthread = static_cast<lua_State*>(ar->userdata);
|
|
};
|
|
|
|
// add breakpoint() function
|
|
lua_pushcclosurek(
|
|
L,
|
|
[](lua_State* L) -> int {
|
|
int line = luaL_checkinteger(L, 1);
|
|
bool enabled = luaL_optboolean(L, 2, true);
|
|
|
|
lua_Debug ar = {};
|
|
lua_getinfo(L, lua_stackdepth(L) - 1, "f", &ar);
|
|
|
|
lua_breakpoint(L, -1, line, enabled);
|
|
return 0;
|
|
},
|
|
"breakpoint", 0, nullptr);
|
|
lua_setglobal(L, "breakpoint");
|
|
},
|
|
[](lua_State* L) {
|
|
CHECK(breakhits % 2 == 1);
|
|
|
|
lua_checkstack(L, LUA_MINSTACK);
|
|
|
|
if (breakhits == 1)
|
|
{
|
|
// test lua_getargument
|
|
int a = lua_getargument(L, 0, 1);
|
|
REQUIRE(a);
|
|
CHECK(lua_tointeger(L, -1) == 50);
|
|
lua_pop(L, 1);
|
|
|
|
int v = lua_getargument(L, 0, 2);
|
|
REQUIRE(v);
|
|
CHECK(lua_tointeger(L, -1) == 42);
|
|
lua_pop(L, 1);
|
|
|
|
// test lua_getlocal
|
|
const char* l = lua_getlocal(L, 0, 1);
|
|
REQUIRE(l);
|
|
CHECK(strcmp(l, "b") == 0);
|
|
CHECK(lua_tointeger(L, -1) == 50);
|
|
lua_pop(L, 1);
|
|
|
|
// test lua_getupvalue
|
|
lua_Debug ar = {};
|
|
lua_getinfo(L, 0, "f", &ar);
|
|
|
|
const char* u = lua_getupvalue(L, -1, 1);
|
|
REQUIRE(u);
|
|
CHECK(strcmp(u, "a") == 0);
|
|
CHECK(lua_tointeger(L, -1) == 5);
|
|
lua_pop(L, 2);
|
|
}
|
|
else if (breakhits == 3)
|
|
{
|
|
// validate assignment via lua_getlocal
|
|
const char* l = lua_getlocal(L, 0, 1);
|
|
REQUIRE(l);
|
|
CHECK(strcmp(l, "a") == 0);
|
|
CHECK(lua_tointeger(L, -1) == 6);
|
|
lua_pop(L, 1);
|
|
}
|
|
else if (breakhits == 5)
|
|
{
|
|
// validate assignment via lua_getlocal
|
|
const char* l = lua_getlocal(L, 1, 1);
|
|
REQUIRE(l);
|
|
CHECK(strcmp(l, "a") == 0);
|
|
CHECK(lua_tointeger(L, -1) == 7);
|
|
lua_pop(L, 1);
|
|
}
|
|
else if (breakhits == 7)
|
|
{
|
|
// validate assignment via lua_getlocal
|
|
const char* l = lua_getlocal(L, 1, 1);
|
|
REQUIRE(l);
|
|
CHECK(strcmp(l, "a") == 0);
|
|
CHECK(lua_tointeger(L, -1) == 8);
|
|
lua_pop(L, 1);
|
|
}
|
|
else if (breakhits == 9)
|
|
{
|
|
// validate assignment via lua_getlocal
|
|
const char* l = lua_getlocal(L, 1, 1);
|
|
REQUIRE(l);
|
|
CHECK(strcmp(l, "a") == 0);
|
|
CHECK(lua_tointeger(L, -1) == 9);
|
|
lua_pop(L, 1);
|
|
}
|
|
else if (breakhits == 13)
|
|
{
|
|
// validate assignment via lua_getlocal
|
|
const char* l = lua_getlocal(L, 0, 1);
|
|
REQUIRE(l);
|
|
CHECK(strcmp(l, "a") == 0);
|
|
CHECK(lua_isnil(L, -1));
|
|
lua_pop(L, 1);
|
|
}
|
|
|
|
if (interruptedthread)
|
|
{
|
|
lua_resume(interruptedthread, nullptr, 0);
|
|
interruptedthread = nullptr;
|
|
}
|
|
},
|
|
nullptr, &copts, /* skipCodegen */ true); // Native code doesn't support debugging yet
|
|
|
|
CHECK(breakhits == 14); // 2 hits per breakpoint
|
|
|
|
if (singlestep)
|
|
CHECK(stephits > 100); // note; this will depend on number of instructions which can vary, so we just make sure the callback gets hit often
|
|
}
|
|
|
|
TEST_CASE("NDebugGetUpValue")
|
|
{
|
|
lua_CompileOptions copts = defaultOptions();
|
|
copts.debugLevel = 0;
|
|
// Don't optimize away any upvalues
|
|
copts.optimizationLevel = 0;
|
|
|
|
runConformance(
|
|
"ndebug_upvalues.lua", nullptr,
|
|
[](lua_State* L) {
|
|
lua_checkstack(L, LUA_MINSTACK);
|
|
|
|
// push the second frame's closure to the stack
|
|
lua_Debug ar = {};
|
|
REQUIRE(lua_getinfo(L, 1, "f", &ar));
|
|
|
|
// get the first upvalue
|
|
const char* u = lua_getupvalue(L, -1, 1);
|
|
REQUIRE(u);
|
|
// upvalue name is unknown without debug info
|
|
CHECK(strcmp(u, "") == 0);
|
|
CHECK(lua_tointeger(L, -1) == 5);
|
|
lua_pop(L, 2);
|
|
},
|
|
nullptr, &copts, /* skipCodegen */ false);
|
|
}
|
|
|
|
TEST_CASE("SameHash")
|
|
{
|
|
extern unsigned int luaS_hash(const char* str, size_t len); // internal function, declared in lstring.h - not exposed via lua.h
|
|
|
|
// To keep VM and compiler separate, we duplicate the hash function definition
|
|
// This test validates that the hash function in question returns the same results on basic inputs
|
|
// If this is violated, some code may regress in performance due to hash slot misprediction in inline caches
|
|
CHECK(luaS_hash("", 0) == Luau::BytecodeBuilder::getStringHash({"", 0}));
|
|
CHECK(luaS_hash("lua", 3) == Luau::BytecodeBuilder::getStringHash({"lua", 3}));
|
|
CHECK(luaS_hash("luau", 4) == Luau::BytecodeBuilder::getStringHash({"luau", 4}));
|
|
CHECK(luaS_hash("luaubytecode", 12) == Luau::BytecodeBuilder::getStringHash({"luaubytecode", 12}));
|
|
CHECK(luaS_hash("luaubytecodehash", 16) == Luau::BytecodeBuilder::getStringHash({"luaubytecodehash", 16}));
|
|
|
|
// Also hash should work on unaligned source data even when hashing long strings
|
|
char buf[128] = {};
|
|
CHECK(luaS_hash(buf + 1, 120) == luaS_hash(buf + 2, 120));
|
|
}
|
|
|
|
TEST_CASE("Reference")
|
|
{
|
|
static int dtorhits = 0;
|
|
|
|
dtorhits = 0;
|
|
|
|
StateRef globalState(luaL_newstate(), lua_close);
|
|
lua_State* L = globalState.get();
|
|
|
|
// note, we push two userdata objects but only pin one of them (the first one)
|
|
lua_newuserdatadtor(L, 0, [](void*) {
|
|
dtorhits++;
|
|
});
|
|
lua_newuserdatadtor(L, 0, [](void*) {
|
|
dtorhits++;
|
|
});
|
|
|
|
lua_gc(L, LUA_GCCOLLECT, 0);
|
|
CHECK(dtorhits == 0);
|
|
|
|
int ref = lua_ref(L, -2);
|
|
lua_pop(L, 2);
|
|
|
|
lua_gc(L, LUA_GCCOLLECT, 0);
|
|
CHECK(dtorhits == 1);
|
|
|
|
lua_getref(L, ref);
|
|
CHECK(lua_isuserdata(L, -1));
|
|
lua_pop(L, 1);
|
|
|
|
lua_gc(L, LUA_GCCOLLECT, 0);
|
|
CHECK(dtorhits == 1);
|
|
|
|
lua_unref(L, ref);
|
|
|
|
lua_gc(L, LUA_GCCOLLECT, 0);
|
|
CHECK(dtorhits == 2);
|
|
}
|
|
|
|
TEST_CASE("NewUserdataOverflow")
|
|
{
|
|
StateRef globalState(luaL_newstate(), lua_close);
|
|
lua_State* L = globalState.get();
|
|
|
|
lua_pushcfunction(
|
|
L,
|
|
[](lua_State* L1) {
|
|
// The following userdata request might cause an overflow.
|
|
lua_newuserdatadtor(L1, SIZE_MAX, [](void* d) {});
|
|
// The overflow might segfault in the following call.
|
|
lua_getmetatable(L1, -1);
|
|
return 0;
|
|
},
|
|
nullptr);
|
|
|
|
CHECK(lua_pcall(L, 0, 0, 0) == LUA_ERRRUN);
|
|
CHECK(strcmp(lua_tostring(L, -1), "memory allocation error: block too big") == 0);
|
|
}
|
|
|
|
TEST_CASE("ApiTables")
|
|
{
|
|
StateRef globalState(luaL_newstate(), lua_close);
|
|
lua_State* L = globalState.get();
|
|
|
|
lua_newtable(L);
|
|
lua_pushnumber(L, 123.0);
|
|
lua_setfield(L, -2, "key");
|
|
lua_pushnumber(L, 456.0);
|
|
lua_rawsetfield(L, -2, "key2");
|
|
lua_pushstring(L, "test");
|
|
lua_rawseti(L, -2, 5);
|
|
|
|
// lua_gettable
|
|
lua_pushstring(L, "key");
|
|
CHECK(lua_gettable(L, -2) == LUA_TNUMBER);
|
|
CHECK(lua_tonumber(L, -1) == 123.0);
|
|
lua_pop(L, 1);
|
|
|
|
// lua_getfield
|
|
CHECK(lua_getfield(L, -1, "key") == LUA_TNUMBER);
|
|
CHECK(lua_tonumber(L, -1) == 123.0);
|
|
lua_pop(L, 1);
|
|
|
|
// lua_rawgetfield
|
|
CHECK(lua_rawgetfield(L, -1, "key2") == LUA_TNUMBER);
|
|
CHECK(lua_tonumber(L, -1) == 456.0);
|
|
lua_pop(L, 1);
|
|
|
|
// lua_rawget
|
|
lua_pushstring(L, "key");
|
|
CHECK(lua_rawget(L, -2) == LUA_TNUMBER);
|
|
CHECK(lua_tonumber(L, -1) == 123.0);
|
|
lua_pop(L, 1);
|
|
|
|
// lua_rawgeti
|
|
CHECK(lua_rawgeti(L, -1, 5) == LUA_TSTRING);
|
|
CHECK(strcmp(lua_tostring(L, -1), "test") == 0);
|
|
lua_pop(L, 1);
|
|
|
|
// lua_cleartable
|
|
lua_cleartable(L, -1);
|
|
lua_pushnil(L);
|
|
CHECK(lua_next(L, -2) == 0);
|
|
|
|
lua_pop(L, 1);
|
|
}
|
|
|
|
TEST_CASE("ApiIter")
|
|
{
|
|
StateRef globalState(luaL_newstate(), lua_close);
|
|
lua_State* L = globalState.get();
|
|
|
|
lua_newtable(L);
|
|
lua_pushnumber(L, 123.0);
|
|
lua_setfield(L, -2, "key");
|
|
lua_pushnumber(L, 456.0);
|
|
lua_rawsetfield(L, -2, "key2");
|
|
lua_pushstring(L, "test");
|
|
lua_rawseti(L, -2, 1);
|
|
|
|
// Lua-compatible iteration interface: lua_next
|
|
double sum1 = 0;
|
|
lua_pushnil(L);
|
|
while (lua_next(L, -2))
|
|
{
|
|
sum1 += lua_tonumber(L, -2); // key
|
|
sum1 += lua_tonumber(L, -1); // value
|
|
lua_pop(L, 1); // pop value, key is used by lua_next
|
|
}
|
|
CHECK(sum1 == 580);
|
|
|
|
// Luau iteration interface: lua_rawiter (faster and preferable to lua_next)
|
|
double sum2 = 0;
|
|
for (int index = 0; index = lua_rawiter(L, -1, index), index >= 0;)
|
|
{
|
|
sum2 += lua_tonumber(L, -2); // key
|
|
sum2 += lua_tonumber(L, -1); // value
|
|
lua_pop(L, 2); // pop both key and value
|
|
}
|
|
CHECK(sum2 == 580);
|
|
|
|
// pop table
|
|
lua_pop(L, 1);
|
|
}
|
|
|
|
TEST_CASE("ApiCalls")
|
|
{
|
|
StateRef globalState = runConformance("apicalls.lua", nullptr, nullptr, lua_newstate(limitedRealloc, nullptr));
|
|
lua_State* L = globalState.get();
|
|
|
|
// lua_call
|
|
{
|
|
lua_getfield(L, LUA_GLOBALSINDEX, "add");
|
|
lua_pushnumber(L, 40);
|
|
lua_pushnumber(L, 2);
|
|
lua_call(L, 2, 1);
|
|
CHECK(lua_isnumber(L, -1));
|
|
CHECK(lua_tonumber(L, -1) == 42);
|
|
lua_pop(L, 1);
|
|
}
|
|
|
|
// lua_pcall
|
|
{
|
|
lua_getfield(L, LUA_GLOBALSINDEX, "add");
|
|
lua_pushnumber(L, 40);
|
|
lua_pushnumber(L, 2);
|
|
lua_pcall(L, 2, 1, 0);
|
|
CHECK(lua_isnumber(L, -1));
|
|
CHECK(lua_tonumber(L, -1) == 42);
|
|
lua_pop(L, 1);
|
|
}
|
|
|
|
// lua_equal with a sleeping thread wake up
|
|
{
|
|
lua_State* L2 = lua_newthread(L);
|
|
|
|
lua_getfield(L2, LUA_GLOBALSINDEX, "create_with_tm");
|
|
lua_pushnumber(L2, 42);
|
|
lua_pcall(L2, 1, 1, 0);
|
|
|
|
lua_getfield(L2, LUA_GLOBALSINDEX, "create_with_tm");
|
|
lua_pushnumber(L2, 42);
|
|
lua_pcall(L2, 1, 1, 0);
|
|
|
|
// Reset GC
|
|
lua_gc(L2, LUA_GCCOLLECT, 0);
|
|
|
|
// Try to mark 'L2' as sleeping
|
|
// Can't control GC precisely, even in tests
|
|
lua_gc(L2, LUA_GCSTEP, 8);
|
|
|
|
CHECK(lua_equal(L2, -1, -2) == 1);
|
|
lua_pop(L2, 2);
|
|
}
|
|
|
|
// lua_clonefunction + fenv
|
|
{
|
|
lua_getfield(L, LUA_GLOBALSINDEX, "getpi");
|
|
lua_call(L, 0, 1);
|
|
CHECK(lua_tonumber(L, -1) == 3.1415926);
|
|
lua_pop(L, 1);
|
|
|
|
lua_getfield(L, LUA_GLOBALSINDEX, "getpi");
|
|
|
|
// clone & override env
|
|
lua_clonefunction(L, -1);
|
|
lua_newtable(L);
|
|
lua_pushnumber(L, 42);
|
|
lua_setfield(L, -2, "pi");
|
|
lua_setfenv(L, -2);
|
|
|
|
lua_call(L, 0, 1);
|
|
CHECK(lua_tonumber(L, -1) == 42);
|
|
lua_pop(L, 1);
|
|
|
|
// this one calls original function again
|
|
lua_call(L, 0, 1);
|
|
CHECK(lua_tonumber(L, -1) == 3.1415926);
|
|
lua_pop(L, 1);
|
|
}
|
|
|
|
// lua_clonefunction + upvalues
|
|
{
|
|
lua_getfield(L, LUA_GLOBALSINDEX, "incuv");
|
|
lua_call(L, 0, 1);
|
|
CHECK(lua_tonumber(L, -1) == 1);
|
|
lua_pop(L, 1);
|
|
|
|
lua_getfield(L, LUA_GLOBALSINDEX, "incuv");
|
|
// two clones
|
|
lua_clonefunction(L, -1);
|
|
lua_clonefunction(L, -2);
|
|
|
|
lua_call(L, 0, 1);
|
|
CHECK(lua_tonumber(L, -1) == 2);
|
|
lua_pop(L, 1);
|
|
|
|
lua_call(L, 0, 1);
|
|
CHECK(lua_tonumber(L, -1) == 3);
|
|
lua_pop(L, 1);
|
|
|
|
// this one calls original function again
|
|
lua_call(L, 0, 1);
|
|
CHECK(lua_tonumber(L, -1) == 4);
|
|
lua_pop(L, 1);
|
|
}
|
|
|
|
// lua_pcall on OOM
|
|
{
|
|
lua_getfield(L, LUA_GLOBALSINDEX, "largealloc");
|
|
int res = lua_pcall(L, 0, 0, 0);
|
|
CHECK(res == LUA_ERRMEM);
|
|
}
|
|
|
|
// lua_pcall on OOM with an error handler
|
|
{
|
|
lua_getfield(L, LUA_GLOBALSINDEX, "oops");
|
|
lua_getfield(L, LUA_GLOBALSINDEX, "largealloc");
|
|
int res = lua_pcall(L, 0, 1, -2);
|
|
CHECK(res == LUA_ERRMEM);
|
|
CHECK((lua_isstring(L, -1) && strcmp(lua_tostring(L, -1), "oops") == 0));
|
|
lua_pop(L, 1);
|
|
}
|
|
|
|
// lua_pcall on OOM with an error handler that errors
|
|
{
|
|
lua_getfield(L, LUA_GLOBALSINDEX, "error");
|
|
lua_getfield(L, LUA_GLOBALSINDEX, "largealloc");
|
|
int res = lua_pcall(L, 0, 1, -2);
|
|
CHECK(res == LUA_ERRERR);
|
|
CHECK((lua_isstring(L, -1) && strcmp(lua_tostring(L, -1), "error in error handling") == 0));
|
|
lua_pop(L, 1);
|
|
}
|
|
|
|
// lua_pcall on OOM with an error handler that OOMs
|
|
{
|
|
lua_getfield(L, LUA_GLOBALSINDEX, "largealloc");
|
|
lua_getfield(L, LUA_GLOBALSINDEX, "largealloc");
|
|
int res = lua_pcall(L, 0, 1, -2);
|
|
CHECK(res == LUA_ERRMEM);
|
|
CHECK((lua_isstring(L, -1) && strcmp(lua_tostring(L, -1), "not enough memory") == 0));
|
|
lua_pop(L, 1);
|
|
}
|
|
|
|
// lua_pcall on error with an error handler that OOMs
|
|
{
|
|
lua_getfield(L, LUA_GLOBALSINDEX, "largealloc");
|
|
lua_getfield(L, LUA_GLOBALSINDEX, "error");
|
|
int res = lua_pcall(L, 0, 1, -2);
|
|
CHECK(res == LUA_ERRERR);
|
|
CHECK((lua_isstring(L, -1) && strcmp(lua_tostring(L, -1), "error in error handling") == 0));
|
|
lua_pop(L, 1);
|
|
}
|
|
}
|
|
|
|
TEST_CASE("ApiAtoms")
|
|
{
|
|
StateRef globalState(luaL_newstate(), lua_close);
|
|
lua_State* L = globalState.get();
|
|
|
|
lua_callbacks(L)->useratom = [](const char* s, size_t l) -> int16_t {
|
|
if (strcmp(s, "string") == 0)
|
|
return 0;
|
|
if (strcmp(s, "important") == 0)
|
|
return 1;
|
|
|
|
return -1;
|
|
};
|
|
|
|
lua_pushstring(L, "string");
|
|
lua_pushstring(L, "import");
|
|
lua_pushstring(L, "ant");
|
|
lua_concat(L, 2);
|
|
lua_pushstring(L, "unimportant");
|
|
|
|
int a1, a2, a3;
|
|
const char* s1 = lua_tostringatom(L, -3, &a1);
|
|
const char* s2 = lua_tostringatom(L, -2, &a2);
|
|
const char* s3 = lua_tostringatom(L, -1, &a3);
|
|
|
|
CHECK(strcmp(s1, "string") == 0);
|
|
CHECK(a1 == 0);
|
|
|
|
CHECK(strcmp(s2, "important") == 0);
|
|
CHECK(a2 == 1);
|
|
|
|
CHECK(strcmp(s3, "unimportant") == 0);
|
|
CHECK(a3 == -1);
|
|
}
|
|
|
|
static bool endsWith(const std::string& str, const std::string& suffix)
|
|
{
|
|
if (suffix.length() > str.length())
|
|
return false;
|
|
|
|
return suffix == std::string_view(str.c_str() + str.length() - suffix.length(), suffix.length());
|
|
}
|
|
|
|
TEST_CASE("ApiType")
|
|
{
|
|
StateRef globalState(luaL_newstate(), lua_close);
|
|
lua_State* L = globalState.get();
|
|
|
|
lua_pushnumber(L, 2);
|
|
CHECK(strcmp(luaL_typename(L, -1), "number") == 0);
|
|
CHECK(strcmp(luaL_typename(L, 1), "number") == 0);
|
|
CHECK(lua_type(L, -1) == LUA_TNUMBER);
|
|
CHECK(lua_type(L, 1) == LUA_TNUMBER);
|
|
|
|
CHECK(strcmp(luaL_typename(L, 2), "no value") == 0);
|
|
CHECK(lua_type(L, 2) == LUA_TNONE);
|
|
CHECK(strcmp(lua_typename(L, lua_type(L, 2)), "no value") == 0);
|
|
|
|
lua_newuserdata(L, 0);
|
|
CHECK(strcmp(luaL_typename(L, -1), "userdata") == 0);
|
|
CHECK(lua_type(L, -1) == LUA_TUSERDATA);
|
|
|
|
lua_newtable(L);
|
|
lua_pushstring(L, "hello");
|
|
lua_setfield(L, -2, "__type");
|
|
lua_setmetatable(L, -2);
|
|
|
|
CHECK(strcmp(luaL_typename(L, -1), "hello") == 0);
|
|
CHECK(lua_type(L, -1) == LUA_TUSERDATA);
|
|
}
|
|
|
|
#if !LUA_USE_LONGJMP
|
|
TEST_CASE("ExceptionObject")
|
|
{
|
|
struct ExceptionResult
|
|
{
|
|
bool exceptionGenerated;
|
|
std::string description;
|
|
};
|
|
|
|
auto captureException = [](lua_State* L, const char* functionToRun) {
|
|
try
|
|
{
|
|
lua_State* threadState = lua_newthread(L);
|
|
lua_getfield(threadState, LUA_GLOBALSINDEX, functionToRun);
|
|
CHECK(lua_isLfunction(threadState, -1));
|
|
lua_call(threadState, 0, 0);
|
|
}
|
|
catch (std::exception& e)
|
|
{
|
|
CHECK(e.what() != nullptr);
|
|
return ExceptionResult{true, e.what()};
|
|
}
|
|
return ExceptionResult{false, ""};
|
|
};
|
|
|
|
StateRef globalState = runConformance("exceptions.lua", nullptr, nullptr, lua_newstate(limitedRealloc, nullptr));
|
|
lua_State* L = globalState.get();
|
|
|
|
{
|
|
ExceptionResult result = captureException(L, "infinite_recursion_error");
|
|
CHECK(result.exceptionGenerated);
|
|
}
|
|
|
|
{
|
|
ExceptionResult result = captureException(L, "empty_function");
|
|
CHECK_FALSE(result.exceptionGenerated);
|
|
}
|
|
|
|
{
|
|
ExceptionResult result = captureException(L, "pass_number_to_error");
|
|
CHECK(result.exceptionGenerated);
|
|
CHECK(endsWith(result.description, "42"));
|
|
}
|
|
|
|
{
|
|
ExceptionResult result = captureException(L, "pass_string_to_error");
|
|
CHECK(result.exceptionGenerated);
|
|
CHECK(endsWith(result.description, "string argument"));
|
|
}
|
|
|
|
{
|
|
ExceptionResult result = captureException(L, "pass_table_to_error");
|
|
CHECK(result.exceptionGenerated);
|
|
}
|
|
|
|
{
|
|
ExceptionResult result = captureException(L, "large_allocation_error");
|
|
CHECK(result.exceptionGenerated);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
TEST_CASE("IfElseExpression")
|
|
{
|
|
runConformance("ifelseexpr.lua");
|
|
}
|
|
|
|
// Optionally returns debug info for the first Luau stack frame that is encountered on the callstack.
|
|
static std::optional<lua_Debug> getFirstLuauFrameDebugInfo(lua_State* L)
|
|
{
|
|
static std::string_view kLua = "Lua";
|
|
lua_Debug ar;
|
|
for (int i = 0; lua_getinfo(L, i, "sl", &ar); i++)
|
|
{
|
|
if (kLua == ar.what)
|
|
return ar;
|
|
}
|
|
return std::nullopt;
|
|
}
|
|
|
|
TEST_CASE("TagMethodError")
|
|
{
|
|
static std::vector<int> expectedHits;
|
|
|
|
// Loop over two modes:
|
|
// when doLuaBreak is false the test only verifies that callbacks occur on the expected lines in the Luau source
|
|
// when doLuaBreak is true the test additionally calls lua_break to ensure breaking the debugger doesn't cause the VM to crash
|
|
for (bool doLuaBreak : {false, true})
|
|
{
|
|
expectedHits = {22, 32};
|
|
|
|
static int index;
|
|
static bool luaBreak;
|
|
index = 0;
|
|
luaBreak = doLuaBreak;
|
|
|
|
// 'yieldCallback' doesn't do anything, but providing the callback to runConformance
|
|
// ensures that the call to lua_break doesn't cause an error to be generated because
|
|
// runConformance doesn't expect the VM to be in the state LUA_BREAK.
|
|
auto yieldCallback = [](lua_State* L) {};
|
|
|
|
runConformance(
|
|
"tmerror.lua",
|
|
[](lua_State* L) {
|
|
auto* cb = lua_callbacks(L);
|
|
|
|
cb->debugprotectederror = [](lua_State* L) {
|
|
std::optional<lua_Debug> ar = getFirstLuauFrameDebugInfo(L);
|
|
|
|
CHECK(lua_isyieldable(L));
|
|
REQUIRE(ar.has_value());
|
|
REQUIRE(index < int(std::size(expectedHits)));
|
|
CHECK(ar->currentline == expectedHits[index++]);
|
|
|
|
if (luaBreak)
|
|
{
|
|
// Cause luau execution to break when 'error' is called via 'pcall'
|
|
// This call to lua_break is a regression test for an issue where debugprotectederror
|
|
// was called on a thread that couldn't be yielded even though lua_isyieldable was true.
|
|
lua_break(L);
|
|
}
|
|
};
|
|
},
|
|
yieldCallback);
|
|
|
|
// Make sure the number of break points hit was the expected number
|
|
CHECK(index == std::size(expectedHits));
|
|
}
|
|
}
|
|
|
|
TEST_CASE("Coverage")
|
|
{
|
|
lua_CompileOptions copts = defaultOptions();
|
|
copts.optimizationLevel = 1; // disable inlining to get fixed expected hit results
|
|
copts.coverageLevel = 2;
|
|
|
|
runConformance(
|
|
"coverage.lua",
|
|
[](lua_State* L) {
|
|
lua_pushcfunction(
|
|
L,
|
|
[](lua_State* L) -> int {
|
|
luaL_argexpected(L, lua_isLfunction(L, 1), 1, "function");
|
|
|
|
lua_newtable(L);
|
|
lua_getcoverage(L, 1, L, [](void* context, const char* function, int linedefined, int depth, const int* hits, size_t size) {
|
|
lua_State* L = static_cast<lua_State*>(context);
|
|
|
|
lua_newtable(L);
|
|
|
|
lua_pushstring(L, function);
|
|
lua_setfield(L, -2, "name");
|
|
|
|
lua_pushinteger(L, linedefined);
|
|
lua_setfield(L, -2, "linedefined");
|
|
|
|
lua_pushinteger(L, depth);
|
|
lua_setfield(L, -2, "depth");
|
|
|
|
for (size_t i = 0; i < size; ++i)
|
|
if (hits[i] != -1)
|
|
{
|
|
lua_pushinteger(L, hits[i]);
|
|
lua_rawseti(L, -2, int(i));
|
|
}
|
|
|
|
lua_rawseti(L, -2, lua_objlen(L, -2) + 1);
|
|
});
|
|
|
|
return 1;
|
|
},
|
|
"getcoverage");
|
|
lua_setglobal(L, "getcoverage");
|
|
},
|
|
nullptr, nullptr, &copts);
|
|
}
|
|
|
|
TEST_CASE("StringConversion")
|
|
{
|
|
runConformance("strconv.lua");
|
|
}
|
|
|
|
TEST_CASE("GCDump")
|
|
{
|
|
// internal function, declared in lgc.h - not exposed via lua.h
|
|
extern void luaC_dump(lua_State * L, void* file, const char* (*categoryName)(lua_State * L, uint8_t memcat));
|
|
extern void luaC_enumheap(lua_State * L, void* context, void (*node)(void* context, void* ptr, uint8_t tt, uint8_t memcat, const char* name),
|
|
void (*edge)(void* context, void* from, void* to, const char* name));
|
|
|
|
StateRef globalState(luaL_newstate(), lua_close);
|
|
lua_State* L = globalState.get();
|
|
|
|
// push various objects on stack to cover different paths
|
|
lua_createtable(L, 1, 2);
|
|
lua_pushstring(L, "value");
|
|
lua_setfield(L, -2, "key");
|
|
|
|
lua_pushinteger(L, 42);
|
|
lua_rawseti(L, -2, 1000);
|
|
|
|
lua_pushinteger(L, 42);
|
|
lua_rawseti(L, -2, 1);
|
|
|
|
lua_pushvalue(L, -1);
|
|
lua_setmetatable(L, -2);
|
|
|
|
lua_newuserdata(L, 42);
|
|
lua_pushvalue(L, -2);
|
|
lua_setmetatable(L, -2);
|
|
|
|
lua_pushinteger(L, 1);
|
|
lua_pushcclosure(L, lua_silence, "test", 1);
|
|
|
|
lua_State* CL = lua_newthread(L);
|
|
|
|
lua_pushstring(CL, "local x x = {} local function f() x[1] = math.abs(42) end function foo() coroutine.yield() end foo() return f");
|
|
lua_loadstring(CL);
|
|
lua_resume(CL, nullptr, 0);
|
|
|
|
#ifdef _WIN32
|
|
const char* path = "NUL";
|
|
#else
|
|
const char* path = "/dev/null";
|
|
#endif
|
|
|
|
FILE* f = fopen(path, "w");
|
|
REQUIRE(f);
|
|
|
|
luaC_dump(L, f, nullptr);
|
|
|
|
fclose(f);
|
|
|
|
struct Node
|
|
{
|
|
void* ptr;
|
|
uint8_t tag;
|
|
uint8_t memcat;
|
|
std::string name;
|
|
};
|
|
|
|
struct EnumContext
|
|
{
|
|
EnumContext()
|
|
: nodes{nullptr}
|
|
, edges{nullptr}
|
|
{
|
|
}
|
|
|
|
Luau::DenseHashMap<void*, Node> nodes;
|
|
Luau::DenseHashMap<void*, void*> edges;
|
|
} ctx;
|
|
|
|
luaC_enumheap(
|
|
L, &ctx,
|
|
[](void* ctx, void* gco, uint8_t tt, uint8_t memcat, const char* name) {
|
|
EnumContext& context = *(EnumContext*)ctx;
|
|
context.nodes[gco] = {gco, tt, memcat, name ? name : ""};
|
|
},
|
|
[](void* ctx, void* s, void* t, const char*) {
|
|
EnumContext& context = *(EnumContext*)ctx;
|
|
context.edges[s] = t;
|
|
});
|
|
|
|
CHECK(!ctx.nodes.empty());
|
|
CHECK(!ctx.edges.empty());
|
|
}
|
|
|
|
TEST_CASE("Interrupt")
|
|
{
|
|
lua_CompileOptions copts = defaultOptions();
|
|
copts.optimizationLevel = 1; // disable loop unrolling to get fixed expected hit results
|
|
|
|
static const int expectedhits[] = {
|
|
2,
|
|
9,
|
|
5,
|
|
5,
|
|
5,
|
|
5,
|
|
5,
|
|
5,
|
|
5,
|
|
5,
|
|
5,
|
|
5,
|
|
5,
|
|
6,
|
|
18,
|
|
13,
|
|
13,
|
|
13,
|
|
13,
|
|
16,
|
|
23,
|
|
21,
|
|
25,
|
|
};
|
|
static int index;
|
|
|
|
index = 0;
|
|
|
|
runConformance(
|
|
"interrupt.lua",
|
|
[](lua_State* L) {
|
|
auto* cb = lua_callbacks(L);
|
|
|
|
// note: for simplicity here we setup the interrupt callback once
|
|
// however, this carries a noticeable performance cost. in a real application,
|
|
// it's advised to set interrupt callback on a timer from a different thread,
|
|
// and set it back to nullptr once the interrupt triggered.
|
|
cb->interrupt = [](lua_State* L, int gc) {
|
|
if (gc >= 0)
|
|
return;
|
|
|
|
CHECK(index < int(std::size(expectedhits)));
|
|
|
|
lua_Debug ar = {};
|
|
lua_getinfo(L, 0, "l", &ar);
|
|
|
|
CHECK(ar.currentline == expectedhits[index]);
|
|
|
|
index++;
|
|
|
|
// check that we can yield inside an interrupt
|
|
if (index == 5)
|
|
lua_yield(L, 0);
|
|
};
|
|
},
|
|
[](lua_State* L) {
|
|
CHECK(index == 5); // a single yield point
|
|
},
|
|
nullptr, &copts);
|
|
|
|
CHECK(index == int(std::size(expectedhits)));
|
|
}
|
|
|
|
TEST_CASE("UserdataApi")
|
|
{
|
|
static int dtorhits = 0;
|
|
|
|
dtorhits = 0;
|
|
|
|
StateRef globalState(luaL_newstate(), lua_close);
|
|
lua_State* L = globalState.get();
|
|
|
|
// setup dtor for tag 42 (created later)
|
|
auto dtor = [](lua_State* l, void* data) {
|
|
dtorhits += *(int*)data;
|
|
};
|
|
bool dtorIsNull = lua_getuserdatadtor(L, 42) == nullptr;
|
|
CHECK(dtorIsNull);
|
|
lua_setuserdatadtor(L, 42, dtor);
|
|
bool dtorIsSet = lua_getuserdatadtor(L, 42) == dtor;
|
|
CHECK(dtorIsSet);
|
|
|
|
// light user data
|
|
int lud;
|
|
lua_pushlightuserdata(L, &lud);
|
|
|
|
CHECK(lua_tolightuserdata(L, -1) == &lud);
|
|
CHECK(lua_touserdata(L, -1) == &lud);
|
|
CHECK(lua_topointer(L, -1) == &lud);
|
|
|
|
// regular user data
|
|
int* ud1 = (int*)lua_newuserdata(L, 4);
|
|
*ud1 = 42;
|
|
|
|
CHECK(lua_tolightuserdata(L, -1) == nullptr);
|
|
CHECK(lua_touserdata(L, -1) == ud1);
|
|
CHECK(lua_topointer(L, -1) == ud1);
|
|
|
|
// tagged user data
|
|
int* ud2 = (int*)lua_newuserdatatagged(L, 4, 42);
|
|
*ud2 = -4;
|
|
|
|
CHECK(lua_touserdatatagged(L, -1, 42) == ud2);
|
|
CHECK(lua_touserdatatagged(L, -1, 41) == nullptr);
|
|
CHECK(lua_userdatatag(L, -1) == 42);
|
|
|
|
lua_setuserdatatag(L, -1, 43);
|
|
CHECK(lua_userdatatag(L, -1) == 43);
|
|
lua_setuserdatatag(L, -1, 42);
|
|
|
|
// user data with inline dtor
|
|
void* ud3 = lua_newuserdatadtor(L, 4, [](void* data) {
|
|
dtorhits += *(int*)data;
|
|
});
|
|
|
|
void* ud4 = lua_newuserdatadtor(L, 1, [](void* data) {
|
|
dtorhits += *(char*)data;
|
|
});
|
|
|
|
*(int*)ud3 = 43;
|
|
*(char*)ud4 = 3;
|
|
|
|
// user data with named metatable
|
|
luaL_newmetatable(L, "udata1");
|
|
luaL_newmetatable(L, "udata2");
|
|
|
|
void* ud5 = lua_newuserdata(L, 0);
|
|
lua_getfield(L, LUA_REGISTRYINDEX, "udata1");
|
|
lua_setmetatable(L, -2);
|
|
|
|
void* ud6 = lua_newuserdata(L, 0);
|
|
lua_getfield(L, LUA_REGISTRYINDEX, "udata2");
|
|
lua_setmetatable(L, -2);
|
|
|
|
CHECK(luaL_checkudata(L, -2, "udata1") == ud5);
|
|
CHECK(luaL_checkudata(L, -1, "udata2") == ud6);
|
|
|
|
globalState.reset();
|
|
|
|
CHECK(dtorhits == 42);
|
|
}
|
|
|
|
TEST_CASE("Iter")
|
|
{
|
|
runConformance("iter.lua");
|
|
}
|
|
|
|
const int kInt64Tag = 1;
|
|
static int gInt64MT = -1;
|
|
|
|
static int64_t getInt64(lua_State* L, int idx)
|
|
{
|
|
if (void* p = lua_touserdatatagged(L, idx, kInt64Tag))
|
|
return *static_cast<int64_t*>(p);
|
|
|
|
if (lua_isnumber(L, idx))
|
|
return lua_tointeger(L, idx);
|
|
|
|
luaL_typeerror(L, 1, "int64");
|
|
}
|
|
|
|
static void pushInt64(lua_State* L, int64_t value)
|
|
{
|
|
void* p = lua_newuserdatatagged(L, sizeof(int64_t), kInt64Tag);
|
|
|
|
lua_getref(L, gInt64MT);
|
|
lua_setmetatable(L, -2);
|
|
|
|
*static_cast<int64_t*>(p) = value;
|
|
}
|
|
|
|
TEST_CASE("Userdata")
|
|
{
|
|
|
|
ScopedFastFlag sffs{"LuauFloorDivision", true};
|
|
|
|
runConformance("userdata.lua", [](lua_State* L) {
|
|
// create metatable with all the metamethods
|
|
lua_newtable(L);
|
|
gInt64MT = lua_ref(L, -1);
|
|
|
|
// __index
|
|
lua_pushcfunction(
|
|
L,
|
|
[](lua_State* L) {
|
|
void* p = lua_touserdatatagged(L, 1, kInt64Tag);
|
|
if (!p)
|
|
luaL_typeerror(L, 1, "int64");
|
|
|
|
const char* name = luaL_checkstring(L, 2);
|
|
|
|
if (strcmp(name, "value") == 0)
|
|
{
|
|
lua_pushnumber(L, double(*static_cast<int64_t*>(p)));
|
|
return 1;
|
|
}
|
|
|
|
luaL_error(L, "unknown field %s", name);
|
|
},
|
|
nullptr);
|
|
lua_setfield(L, -2, "__index");
|
|
|
|
// __newindex
|
|
lua_pushcfunction(
|
|
L,
|
|
[](lua_State* L) {
|
|
void* p = lua_touserdatatagged(L, 1, kInt64Tag);
|
|
if (!p)
|
|
luaL_typeerror(L, 1, "int64");
|
|
|
|
const char* name = luaL_checkstring(L, 2);
|
|
|
|
if (strcmp(name, "value") == 0)
|
|
{
|
|
double value = luaL_checknumber(L, 3);
|
|
*static_cast<int64_t*>(p) = int64_t(value);
|
|
return 0;
|
|
}
|
|
|
|
luaL_error(L, "unknown field %s", name);
|
|
},
|
|
nullptr);
|
|
lua_setfield(L, -2, "__newindex");
|
|
|
|
// __eq
|
|
lua_pushcfunction(
|
|
L,
|
|
[](lua_State* L) {
|
|
lua_pushboolean(L, getInt64(L, 1) == getInt64(L, 2));
|
|
return 1;
|
|
},
|
|
nullptr);
|
|
lua_setfield(L, -2, "__eq");
|
|
|
|
// __lt
|
|
lua_pushcfunction(
|
|
L,
|
|
[](lua_State* L) {
|
|
lua_pushboolean(L, getInt64(L, 1) < getInt64(L, 2));
|
|
return 1;
|
|
},
|
|
nullptr);
|
|
lua_setfield(L, -2, "__lt");
|
|
|
|
// __le
|
|
lua_pushcfunction(
|
|
L,
|
|
[](lua_State* L) {
|
|
lua_pushboolean(L, getInt64(L, 1) <= getInt64(L, 2));
|
|
return 1;
|
|
},
|
|
nullptr);
|
|
lua_setfield(L, -2, "__le");
|
|
|
|
// __add
|
|
lua_pushcfunction(
|
|
L,
|
|
[](lua_State* L) {
|
|
pushInt64(L, getInt64(L, 1) + getInt64(L, 2));
|
|
return 1;
|
|
},
|
|
nullptr);
|
|
lua_setfield(L, -2, "__add");
|
|
|
|
// __sub
|
|
lua_pushcfunction(
|
|
L,
|
|
[](lua_State* L) {
|
|
pushInt64(L, getInt64(L, 1) - getInt64(L, 2));
|
|
return 1;
|
|
},
|
|
nullptr);
|
|
lua_setfield(L, -2, "__sub");
|
|
|
|
// __mul
|
|
lua_pushcfunction(
|
|
L,
|
|
[](lua_State* L) {
|
|
pushInt64(L, getInt64(L, 1) * getInt64(L, 2));
|
|
return 1;
|
|
},
|
|
nullptr);
|
|
lua_setfield(L, -2, "__mul");
|
|
|
|
// __div
|
|
lua_pushcfunction(
|
|
L,
|
|
[](lua_State* L) {
|
|
// ideally we'd guard against 0 but it's a test so eh
|
|
pushInt64(L, getInt64(L, 1) / getInt64(L, 2));
|
|
return 1;
|
|
},
|
|
nullptr);
|
|
lua_setfield(L, -2, "__div");
|
|
|
|
// __idiv
|
|
lua_pushcfunction(
|
|
L,
|
|
[](lua_State* L) {
|
|
// for testing we use different semantics here compared to __div: __idiv rounds to negative inf, __div truncates (rounds to zero)
|
|
// additionally, division loses precision here outside of 2^53 range
|
|
// we do not necessarily recommend this behavior in production code!
|
|
pushInt64(L, int64_t(floor(double(getInt64(L, 1)) / double(getInt64(L, 2)))));
|
|
return 1;
|
|
},
|
|
nullptr);
|
|
lua_setfield(L, -2, "__idiv");
|
|
|
|
// __mod
|
|
lua_pushcfunction(
|
|
L,
|
|
[](lua_State* L) {
|
|
// ideally we'd guard against 0 and INT64_MIN but it's a test so eh
|
|
pushInt64(L, getInt64(L, 1) % getInt64(L, 2));
|
|
return 1;
|
|
},
|
|
nullptr);
|
|
lua_setfield(L, -2, "__mod");
|
|
|
|
// __pow
|
|
lua_pushcfunction(
|
|
L,
|
|
[](lua_State* L) {
|
|
pushInt64(L, int64_t(pow(double(getInt64(L, 1)), double(getInt64(L, 2)))));
|
|
return 1;
|
|
},
|
|
nullptr);
|
|
lua_setfield(L, -2, "__pow");
|
|
|
|
// __unm
|
|
lua_pushcfunction(
|
|
L,
|
|
[](lua_State* L) {
|
|
pushInt64(L, -getInt64(L, 1));
|
|
return 1;
|
|
},
|
|
nullptr);
|
|
lua_setfield(L, -2, "__unm");
|
|
|
|
// __tostring
|
|
lua_pushcfunction(
|
|
L,
|
|
[](lua_State* L) {
|
|
int64_t value = getInt64(L, 1);
|
|
std::string str = std::to_string(value);
|
|
lua_pushlstring(L, str.c_str(), str.length());
|
|
return 1;
|
|
},
|
|
nullptr);
|
|
lua_setfield(L, -2, "__tostring");
|
|
|
|
// ctor
|
|
lua_pushcfunction(
|
|
L,
|
|
[](lua_State* L) {
|
|
double v = luaL_checknumber(L, 1);
|
|
pushInt64(L, int64_t(v));
|
|
return 1;
|
|
},
|
|
"int64");
|
|
lua_setglobal(L, "int64");
|
|
});
|
|
}
|
|
|
|
TEST_CASE("SafeEnv")
|
|
{
|
|
runConformance("safeenv.lua");
|
|
}
|
|
|
|
TEST_CASE("Native")
|
|
{
|
|
runConformance("native.lua");
|
|
}
|
|
|
|
TEST_CASE("NativeTypeAnnotations")
|
|
{
|
|
ScopedFastFlag bytecodeVersion4("BytecodeVersion4", true);
|
|
|
|
// This tests requires code to run natively, otherwise all 'is_native' checks will fail
|
|
if (!codegen || !luau_codegen_supported())
|
|
return;
|
|
|
|
lua_CompileOptions copts = defaultOptions();
|
|
copts.vectorCtor = "vector";
|
|
copts.vectorType = "vector";
|
|
|
|
runConformance(
|
|
"native_types.lua",
|
|
[](lua_State* L) {
|
|
// add is_native() function
|
|
lua_pushcclosurek(
|
|
L,
|
|
[](lua_State* L) -> int {
|
|
extern int luaG_isnative(lua_State * L, int level);
|
|
|
|
lua_pushboolean(L, luaG_isnative(L, 1));
|
|
return 1;
|
|
},
|
|
"is_native", 0, nullptr);
|
|
lua_setglobal(L, "is_native");
|
|
|
|
// for vector tests
|
|
lua_pushcfunction(L, lua_vector, "vector");
|
|
lua_setglobal(L, "vector");
|
|
|
|
#if LUA_VECTOR_SIZE == 4
|
|
lua_pushvector(L, 0.0f, 0.0f, 0.0f, 0.0f);
|
|
#else
|
|
lua_pushvector(L, 0.0f, 0.0f, 0.0f);
|
|
#endif
|
|
luaL_newmetatable(L, "vector");
|
|
|
|
lua_setreadonly(L, -1, true);
|
|
lua_setmetatable(L, -2);
|
|
lua_pop(L, 1);
|
|
},
|
|
nullptr, nullptr, &copts);
|
|
}
|
|
|
|
TEST_CASE("HugeFunction")
|
|
{
|
|
std::string source;
|
|
|
|
// add non-executed block that requires JUMPKX and generates a lot of constants that take available short (15-bit) constant space
|
|
source += "if ... then\n";
|
|
source += "local _ = {\n";
|
|
|
|
for (int i = 0; i < 40000; ++i)
|
|
{
|
|
source += "0.";
|
|
source += std::to_string(i);
|
|
source += ",";
|
|
}
|
|
|
|
source += "}\n";
|
|
source += "end\n";
|
|
|
|
// use failed fast-calls with imports and constants to exercise all of the more complex fallback sequences
|
|
source += "return bit32.lshift('84', -1)";
|
|
|
|
StateRef globalState(luaL_newstate(), lua_close);
|
|
lua_State* L = globalState.get();
|
|
|
|
if (codegen && luau_codegen_supported())
|
|
luau_codegen_create(L);
|
|
|
|
luaL_openlibs(L);
|
|
luaL_sandbox(L);
|
|
luaL_sandboxthread(L);
|
|
|
|
size_t bytecodeSize = 0;
|
|
char* bytecode = luau_compile(source.data(), source.size(), nullptr, &bytecodeSize);
|
|
int result = luau_load(L, "=HugeFunction", bytecode, bytecodeSize, 0);
|
|
free(bytecode);
|
|
|
|
REQUIRE(result == 0);
|
|
|
|
if (codegen && luau_codegen_supported())
|
|
luau_codegen_compile(L, -1);
|
|
|
|
int status = lua_resume(L, nullptr, 0);
|
|
REQUIRE(status == 0);
|
|
|
|
CHECK(lua_tonumber(L, -1) == 42);
|
|
}
|
|
|
|
TEST_SUITE_END();
|