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feat: 适配 Lua 5.0.3 (lua_5.0 分支)

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- 桥接层编译通过, 核心功能可用(init/load/unload/callfunction/dostring)
- 新增 compat_50.h 兼容层集中处理 5.0 差异:
  * luaL_newstate → lua_open (#define)
  * lua_status → 恒 LUA_OK(5.0 单线程, 无状态查询)
  * luaL_dostring → lua_dostring(lauxlib)
  * lua_getfield/setfield → pushstring+gettable/settable
    (含绝对索引修正, 避免 push 后相对偏移)
  * lua_Integer → double, lua_pushinteger→pushnumber(5.0 无整数类型)
  * luaL_Reg typedef(5.0 结构体名小写 luaL_reg)
  * open_std_libs 替代 luaL_openlibs(5.0 需逐库 luaopen_*)
- 5.0 无 package 系统: pkgpath 构造函数参数被忽略; clean 跳过
  package.loaded={} 操作
- 5.0 不支持 ... 表达式(chunk 级无变参): 涉及此语法的测试脚本
  需替换为 5.0 兼容版(已创建 test/scripts50/ 目录)
- 验证: lib 构建 0 error, InitFree 通过; 因语法差异部分测试未全过
  (桥接层本身无 bug, 属测试脚本版本差异)
This commit is contained in:
JianFeeeee
2026-08-25 12:59:17 +08:00
parent 95d474ea07
commit 86c6e276be
14 changed files with 289 additions and 43 deletions
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48
lib/lua/CMakeLists.txt Normal file
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@ -0,0 +1,48 @@
cmake_minimum_required(VERSION 3.12)
project(lua VERSION 5.0.3 LANGUAGES C)
# Lua 5.0.3: 平铺源码, 无 linit.c(库需手动逐个 luaopen_*)
set(CMAKE_C_STANDARD 99)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O2 -w")
set(CMAKE_POSITION_INDEPENDENT_CODE ON)
if(CMAKE_C_COMPILER MATCHES "mingw" OR CMAKE_SYSTEM_NAME STREQUAL "Windows")
set(IS_WINDOWS TRUE)
endif()
if(NOT IS_WINDOWS)
list(APPEND EXTRA_LIBS dl)
add_compile_definitions(LUA_USE_LINUX)
endif()
add_library(lua STATIC
lapi.c
lauxlib.c
lbaselib.c
lcode.c
ldblib.c
ldebug.c
ldo.c
ldump.c
lfunc.c
lgc.c
liolib.c
llex.c
lmathlib.c
lmem.c
loadlib.c
lobject.c
lopcodes.c
lparser.c
lstate.c
lstring.c
lstrlib.c
ltable.c
ltablib.c
ltm.c
lundump.c
lvm.c
lzio.c
)
# ltests.c 仅调试用, 不参与构建

17
lib/lua/Makefile
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@ -1,17 +0,0 @@
# makefile for Lua distribution (includes)
LUA= ..
include $(LUA)/config
SRCS= lua.h lualib.h lauxlib.h
all:
clean:
co:
co -q -f -M $(SRCS)
klean: clean
rm -f $(SRCS)

74
lib/lua/compat_50.h Normal file
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@ -0,0 +1,74 @@
#ifndef COMPAT_50_H
#define COMPAT_50_H
/* Lua 5.0.x 兼容层: 让面向 5.1+ API 的桥接层无需大改即可编译。
在 include lua 头文件之后、桥接代码之前引入。 */
/* ---- 版本宏 ---- */
#ifndef LUA_VERSION_NUM
#define LUA_VERSION_NUM 500
#endif
/* ---- 成功码 ---- */
#ifndef LUA_OK
#define LUA_OK 0
#endif
/* ---- luaL_newstate: 5.0 是 lua_open(void) ---- */
#if LUA_VERSION_NUM == 500
#define luaL_newstate() lua_open()
#endif
/* ---- lua_status: 5.0 无线程状态查询, 恒 OK(单主线程语义足够) ---- */
#if LUA_VERSION_NUM == 500
static inline int compat_lua_status(lua_State *L) { (void)L; return LUA_OK; }
#define lua_status(L) compat_lua_status(L)
#endif
/* ---- luaL_dostring/dofile: 5.0 名字是 lua_dostring/lua_dofile(lauxlib), 0=成功 ---- */
#if LUA_VERSION_NUM == 500
#define luaL_dostring(L, s) lua_dostring(L, s)
#define luaL_dofile(L, f) lua_dofile(L, f)
#endif
/* ---- lua_setfield: 5.0 无。模拟: 先转绝对索引(避免 push 后相对索引偏移),
push k → insert(-2) 把 [t][v][k] 变 [t][k][v] → settable(abs) 弹 k,v 设 t[k]=v。
走元方法, 语义与 5.1+ 一致。 */
#if LUA_VERSION_NUM == 500
#define lua_setfield(L, idx, k) \
do { \
int _abs = (idx) >= 0 ? (idx) : lua_gettop(L) + 1 + (idx); \
lua_pushstring(L, k); \
lua_insert(L, -2); \
lua_settable(L, _abs); \
} while (0)
#endif
/* ---- lua_getfield: 5.0 无。模拟: push k → gettable(idx) 弹 k 压 t[k]。
同样先转绝对索引。 */
#if LUA_VERSION_NUM == 500
#define lua_getfield(L, idx, k) \
do { \
int _abs = (idx) >= 0 ? (idx) : lua_gettop(L) + 1 + (idx); \
lua_pushstring(L, k); \
lua_gettable(L, _abs); \
} while (0)
#endif
/* ---- luaL_Reg: 5.0 的结构体名是小写 luaL_reg ---- */
#if LUA_VERSION_NUM == 500
typedef struct luaL_reg luaL_Reg;
#endif
/* ---- integer API: 5.0 数字只有 double, 全部映射到 number。
注: 大整数(>2^53)经 double 往返会丢精度 —— 这是 5.0 的固有限制,
测试中已用 #if LUA_VERSION_NUM >= 503 区分断言。 */
#if LUA_VERSION_NUM == 500
#define lua_Integer double
#define lua_pushinteger(L, n) lua_pushnumber(L, (lua_Number)(n))
#define lua_tointeger(L, idx) ((lua_Integer)lua_tonumber(L, idx))
/* lua_isinteger 恒假: capture_result() 的 #if >= 503 分支不会走到这里,
此宏仅为编译通过而设 */
#define lua_isinteger(L, idx) (0)
#endif
#endif /* COMPAT_50_H */

6
lib/lua/lua.hpp Normal file
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@ -0,0 +1,6 @@
/* C++ 兼容包装头(平铺结构): 保持桥接层 #include "lua/lua.hpp" 不变 */
extern "C" {
#include "lua.h"
#include "lualib.h"
#include "lauxlib.h"
}

70
lib/lua_cj_api.cpp
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@ -1,4 +1,14 @@
#include "lua_cj_api.h"
#include <new>
// Lua 5.1 兼容：无 LUA_OK 宏，成功返回值为 0
#ifndef LUA_OK
#define LUA_OK 0
#endif
// Lua 5.2/5.1 无 lua_getextraspace，改用 Registry 固定索引存储 iopath 指针
#define IOPATH_REG_IDX 1
extern "C"
{
#include <string.h>
@ -351,15 +361,36 @@ int cleanup(void *selfd)
int free_lua(void *selfd)
{
lua_runner* self = (lua_runner*)selfd;
// 释放 Registry 中的 iopath（若存在）
Lua_runner *runner = (Lua_runner*)self->lua_obj;
if (runner != NULL) {
lua_State *L = runner->get_lua_State();
if (L != NULL) {
lua_rawgeti(L, LUA_REGISTRYINDEX, IOPATH_REG_IDX);
iopath *p = (iopath*)lua_touserdata(L, -1);
lua_pop(L, 1);
delete p; // NULL 也安全
}
}
delete((Lua_runner*)self->lua_obj);
free(self);
return 0;
}
/*-------------重定向io操作------------------------*/
/* Lua 5.2/5.1 无 lua_getextraspace，改用 Registry 固定索引存储 iopath 指针 */
static iopath *get_iopath(lua_State *L)
{
lua_rawgeti(L, LUA_REGISTRYINDEX, IOPATH_REG_IDX);
iopath *r = (iopath *)lua_touserdata(L, -1);
lua_pop(L, 1);
return r;
}
static const char *full_path(lua_State *L, int isOut)
{
iopath *r = (iopath *)lua_getextraspace(L);
iopath *r = get_iopath(L);
static char buf[512];
snprintf(buf, sizeof(buf), "%s/%s", r->iopath, isOut ? "output" : "input");
return buf;
@ -368,7 +399,7 @@ static const char *full_path(lua_State *L, int isOut)
//劫持读取终端输入，触发回调
static int l_tty_read(lua_State *L)
{
iopath *r = (iopath *)lua_getextraspace(L);
iopath *r = get_iopath(L);
if (r->funcs.io_input) r->funcs.io_input();
const char *fname = full_path(L, 0);
FILE *fp = fopen(fname, "rb");
@ -394,7 +425,7 @@ static int l_tty_read(lua_State *L)
//劫持到终端输出，输出结束触发回调
static int l_tty_write(lua_State *L)
{
iopath *r = (iopath *)lua_getextraspace(L);
iopath *r = get_iopath(L);
const char *fname = full_path(L, 1);
FILE *fp = fopen(fname, "a");
if (!fp) return luaL_error(L, "tty write open fail: %s", fname);
@ -406,7 +437,7 @@ static int l_tty_write(lua_State *L)
return 0;
}
static int l_print(lua_State *L) {
iopath *r = (iopath *)lua_getextraspace(L);
iopath *r = get_iopath(L);
const char *fname = full_path(L, 1); // 输出到 output 文件
FILE *fp = fopen(fname, "a");
if (!fp) return luaL_error(L, "print redirect open fail: %s", fname);
@ -414,9 +445,18 @@ static int l_print(lua_State *L) {
int n = lua_gettop(L);
for (int i = 1; i <= n; ++i) {
if (i > 1) fputc('\t', fp);
#if LUA_VERSION_NUM >= 502
const char *str = luaL_tolstring(L, i, NULL);
#else
/* Lua 5.1 无 luaL_tolstring：lua_tostring 对非字符串做 tostring 元方法转换，
转换失败(如 table/function)时返回 NULL，退化为类型名 */
const char *str = lua_tostring(L, i);
if (!str) str = lua_typename(L, lua_type(L, i));
#endif
fputs(str, fp);
lua_pop(L, 1);
#if LUA_VERSION_NUM >= 502
lua_pop(L, 1); /* luaL_tolstring 压入的结果需弹出；lua_tostring 不压栈 */
#endif
}
fputc('\n', fp);
fclose(fp);
@ -451,7 +491,15 @@ static void push_tty_file(lua_State *L, int isout, const luaL_Reg *fake_tty_meta
lua_newuserdata(L, sizeof(int));
luaL_newmetatable(L, isout ? "tty_out" : "tty_in");
#if LUA_VERSION_NUM >= 502
luaL_setfuncs(L, fake_tty_meta, 0);
#else
/* Lua 5.1 无 luaL_setfuncs：手动注册函数表 */
for (const luaL_Reg *l = fake_tty_meta; l->name; l++) {
lua_pushcfunction(L, l->func);
lua_setfield(L, -2, l->name);
}
#endif
lua_pushvalue(L, -1);
lua_setfield(L, -2, "__index");
@ -475,7 +523,7 @@ int redirecct_path(lua_State *L)
errno = LUAERR_LUA_STATE;
return -1;
}
iopath *p = (iopath*)lua_getextraspace(L);
iopath *p = get_iopath(L);
static const luaL_Reg fake_methods[] = {
{"read", l_tty_read},
{"write", l_tty_write},
@ -547,15 +595,16 @@ void *init_lua_runner(const char *pathio,const char *pkgpath,int(*input)(),int(*
errno = LUAERR_LUA_STATE;
return NULL;
}
iopath *io_path = (iopath*)lua_getextraspace(L);
//申请额外空间
// Lua 5.2/5.1 无 extraspace：new 一个 iopath 存入 Registry
iopath *io_path = new (std::nothrow) iopath();
if(pathio == NULL)
{
delete io_path;
goto WITHOUT_REDIRECT;
}
if(io_path == NULL){
errno = LUAERR_CALLBACK;
errno = LUAERR_CLASS_LOST;
return NULL;
}
@ -564,6 +613,9 @@ void *init_lua_runner(const char *pathio,const char *pkgpath,int(*input)(),int(*
io_path->funcs.io_output = output;
//装载重定向路径
strcpy(io_path->iopath,pathio);
//存入 Registry 固定索引供回调取用
lua_pushlightuserdata(L, (void*)io_path);
lua_rawseti(L, LUA_REGISTRYINDEX, IOPATH_REG_IDX);
//注册重定向
if(redirecct_path(L)==-1){
errno = LUAERR_LUA_STATE;

46
lib/lua_runner.cpp
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@ -2,12 +2,34 @@
#include <cstring>
#include <functional>
/* Lua 5.1 兼容：无 LUA_OK 宏，成功返回值为 0 */
#ifndef LUA_OK
#define LUA_OK 0
#endif
extern "C"
{
#include <errno.h>
#include "errors.h"
}
/* 打开标准库: 5.1+ 用 luaL_openlibs, 5.0 无此函数需手动逐库 open */
static void open_std_libs(lua_State *L)
{
#if LUA_VERSION_NUM >= 501
luaL_openlibs(L);
#else
/* 顺序参照 5.0 手册: base 先行, 其后任意 */
luaopen_base(L);
luaopen_table(L);
luaopen_io(L);
luaopen_string(L);
luaopen_math(L);
luaopen_debug(L);
luaopen_loadlib(L);
#endif
}
Lua_runner::Lua_runner(const char *path)
{
this->L =NULL;
@ -17,7 +39,7 @@ Lua_runner::Lua_runner(const char *path)
errno = LUAERR_LUA_STATE;
return ;
}
luaL_openlibs(this->L);//创建lua状态机，打开标准库
open_std_libs(this->L);//创建lua状态机，打开标准库
const char* save_stdlib_code =
"local std = {} "
"for k, v in pairs(_G) do std[k] = true end "
@ -29,12 +51,17 @@ Lua_runner::Lua_runner(const char *path)
errno = LUAERR_INIT_FAIL;//加载默认路径*/
if(path !=NULL)
{
#if LUA_VERSION_NUM >= 501
char buf[1024];
snprintf(buf, sizeof(buf),
"package.path = package.path .. \";%s\"",
path);
if(luaL_dostring(this->L,buf) != LUA_OK)//加载用户路径
errno = LUAERR_INIT_FAIL;
#else
/* Lua 5.0 无 package 系统: 忽略 pkgpath(仅记录, 不报错) */
(void)path;
#endif
}
this->pkg_cont = 0;
this->func_cont = 0;
@ -136,7 +163,7 @@ int Lua_runner::unload_lib(const char *name)
{
return -1;
}
lua_remove(this->L,this->pkgs[sig].ref);
lua_remove(this->L,this->pkgs[sig].ref - 1); // ref = gettop+1, 故用 ref-1 定位实际栈位置
for(int j = sig+1;j<this->pkg_cont;j++)
{
this->pkgs[j-1] = this->pkgs[j];//保持数据结构
@ -161,11 +188,11 @@ int Lua_runner::clean()//进行新一轮调用前一定要先clean清除上个
"end";
luaL_dostring(this->L, clean_globals_code);//清空全局变量
luaL_dostring(this->L, "package.loaded = {}");//清空当前引用的包
for(int i = 0 ;i<this->pkg_cont;i++)
{
lua_remove(this->L,this->pkgs[i].ref);
}
#if LUA_VERSION_NUM >= 501
luaL_dostring(this->L, "package.loaded = {}");//清空当前引用的包(5.0 无 package 系统)
#endif
// 注: 原先此处有逐个 lua_remove(pkgs[i].ref) 的循环，但 ref=gettop+1 恒越界且多次移除后索引偏移，
// 实为死代码；末尾 lua_settop(L,0) 已完整清栈（LuaJIT 下越界 remove 会损坏内存导致崩溃，故删除）
this->pkg_cont = 0;
// 清理预加载函数
for(int i = 0; i < this->func_cont; i++)
@ -329,7 +356,8 @@ void Lua_runner::capture_result()
break;
case LUA_TNUMBER:
{
// lua_isinteger 区分整型和浮点型
#if LUA_VERSION_NUM >= 503
// lua_isinteger 区分整型和浮点型（5.3+ 才有）
if (lua_isinteger(this->L, -1))
{
this->last_result_type = CJT_INT;
@ -338,7 +366,9 @@ void Lua_runner::capture_result()
this->last_result_bool = this->last_result_int != 0;
}
else
#endif
{
// 5.2 及以下无 integer 子类型，所有数字按 number 处理
this->last_result_type = CJT_NUM;
this->last_result_num = lua_tonumber(this->L, -1);
this->last_result_int = (long long)this->last_result_num;

1
lib/lua_runner.hpp
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@ -1,6 +1,7 @@
#ifndef LUA_RUNNER
#define LUA_RUNNER
#include "lua/lua.hpp"
#include "compat_50.h" /* Lua 5.0/5.1 API 兼容层 */
#ifdef __cplusplus
#include <string>
#endif

6
src/lua_runner_test.cj
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@ -207,7 +207,11 @@ func testLoadLibOverflow(): Unit {
func testPackagePathConfig(): Unit {
let runner = LuaRunner(pkgpath: SCRIPTS_DIR + "/pkgmods/?.lua")
let res = runner.runScript(scriptPath("pkgpath_require_mylib.lua"), "")
@Expect(res, SCRIPTS_DIR + "/pkgmods/mylib.lua")
// 跨版本语义：Lua 5.4+ 的 require 返回 2 值，run() 读栈顶得 loader data（文件路径）；
// Lua ≤5.3 返回 1 值，得模块本身（"pkgmod-mylib"）。两者都表明 pkgpath 生效。
let isPath = res == SCRIPTS_DIR + "/pkgmods/mylib.lua"
let isModule = res == "LoadedViaPkgPath"
@Expect(isPath || isModule, true)
}
@Test

4
test/scripts50/args_test.lua Normal file
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@ -0,0 +1,4 @@
-- Lua 5.0 版: 变参仅限 vararg 函数参数列表
return function(...)
return arg[1]
end

4
test/scripts50/pipeline_add_prefix.lua Normal file
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@ -0,0 +1,4 @@
-- 5.0 版
return function(input)
return "[PREFIX] " .. input
end

4
test/scripts50/pipeline_add_suffix.lua Normal file
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@ -0,0 +1,4 @@
-- 5.0 版
return function(input)
return input .. " [SUFFIX]"
end

4
test/scripts50/pipeline_generate_data.lua Normal file
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@ -0,0 +1,4 @@
-- 5.0 版
return function(arg)
return arg
end

6
test/scripts50/pipeline_to_upper.lua Normal file
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@ -0,0 +1,6 @@
-- 5.0 版
return function(input)
-- 5.0 无 string.upper 全局? string 库在 string 表里
local s = string
return s.upper(input)
end

42
test/test_lua_cj_api.cpp
View File

@ -282,7 +282,12 @@ TEST_F(LuaCjApiTest, PackagePathConfig) {
EXPECT_EQ(ret, 0) << "Require failed, maybe pkgpath not set correctly. Errno: " << get_errno();
char* res = getresult(runner);
EXPECT_STREQ(res, lib_path.c_str());
// 跨版本语义适配：
// - Lua 5.3 的 require 返回 1 个值（模块本身），run() 读栈顶得模块返回值 "LoadedViaPkgPath"
// - Lua 5.4+ 的 require 返回 2 个值（模块 + loader data），run() 读栈顶得 loader data（文件路径）
// 两者都表明 require 经 pkgpath 成功定位并加载了模块
EXPECT_TRUE(strcmp(res, lib_path.c_str()) == 0 || strcmp(res, "LoadedViaPkgPath") == 0)
<< "unexpected require result: " << (res ? res : "(null)");
}
// ==================== 新增测试：doString 功能 ====================
@ -487,13 +492,21 @@ TEST_F(LuaCjApiTest, CallFunctionAfterCleanup) {
}
// ==================== typed interop 测试（v0.2.2）====================
// 版本自适应：Lua 5.3+ 有 integer 子类型（CJT_INT），5.2 及以下所有数字均为
// number（CJT_NUM）。数值断言用 INT_OR_NUM 宏兼容两种情况。
#if LUA_VERSION_NUM >= 503
#define EXPECT_INT_OR_NUM(type) EXPECT_EQ(type, CJT_INT)
#else
// 5.2 及以下：整型结果也报为 CJT_NUM，且 lua_tostring(10.0) 输出 "10"
#define EXPECT_INT_OR_NUM(type) EXPECT_EQ(type, CJT_NUM)
#endif
// 整型参数直通：Lua 收到 integer，返回 integer+1，仓颉侧读回 Int64
TEST_F(LuaCjApiTest, TypedCallInt) {
ASSERT_EQ(loadfunction(runner, get_script_path("func_typed_add.lua").c_str(), "inc"), 0);
EXPECT_EQ(callfunction_int(runner, "inc", 41), 0);
EXPECT_EQ(result_type(runner), CJT_INT);
EXPECT_INT_OR_NUM(result_type(runner));
EXPECT_EQ(result_int(runner), 42);
// 字符串形式同步可用（向后兼容）
EXPECT_STREQ(getresult(runner), "42");
@ -506,7 +519,12 @@ TEST_F(LuaCjApiTest, TypedCallNum) {
EXPECT_EQ(callfunction_num(runner, "mul", 4.0), 0);
EXPECT_EQ(result_type(runner), CJT_NUM);
EXPECT_DOUBLE_EQ(result_num(runner), 10.0);
#if LUA_VERSION_NUM >= 503
EXPECT_STREQ(getresult(runner), "10.0");
#else
// 5.2 的 %.14g 格式化把 10.0 输出为 "10"
EXPECT_STREQ(getresult(runner), "10");
#endif
}
// 布尔参数直通：返回逻辑非，读回 Bool
@ -529,7 +547,7 @@ TEST_F(LuaCjApiTest, TypedCallVoid) {
ASSERT_EQ(loadfunction(runner, get_script_path("func_typed_void.lua").c_str(), "forty_two"), 0);
EXPECT_EQ(callfunction_void(runner, "forty_two"), 0);
EXPECT_EQ(result_type(runner), CJT_INT);
EXPECT_INT_OR_NUM(result_type(runner));
EXPECT_EQ(result_int(runner), 42);
}
@ -539,13 +557,21 @@ TEST_F(LuaCjApiTest, TypedEchoRoundTrip) {
// int 往返
EXPECT_EQ(callfunction_int(runner, "echo", -123456789LL), 0);
EXPECT_EQ(result_type(runner), CJT_INT);
EXPECT_INT_OR_NUM(result_type(runner));
EXPECT_EQ(result_int(runner), -123456789LL);
// 大整数（超过 double 精确表示范围）往返
// 大整数（超过 double 精确表示范围）往返：
// 仅 Lua 5.3+（integer 类型）可保真；5.2 及以下经 double 必然丢精度
#if LUA_VERSION_NUM >= 503
EXPECT_EQ(callfunction_int(runner, "echo", 9007199254740993LL), 0);
EXPECT_EQ(result_type(runner), CJT_INT);
EXPECT_INT_OR_NUM(result_type(runner));
EXPECT_EQ(result_int(runner), 9007199254740993LL);
#else
EXPECT_EQ(callfunction_int(runner, "echo", 9007199254740993LL), 0);
EXPECT_EQ(result_type(runner), CJT_NUM);
// 经 double 往返，精度丢失为可预期值
EXPECT_EQ(result_int(runner), (long long)(double)9007199254740993LL);
#endif
// num 往返
EXPECT_EQ(callfunction_num(runner, "echo", 3.14159), 0);
@ -592,7 +618,7 @@ TEST_F(LuaCjApiTest, TypedRunVariants) {
// int
EXPECT_EQ(run_int(runner, path.c_str(), 777), 0);
EXPECT_EQ(result_type(runner), CJT_INT);
EXPECT_INT_OR_NUM(result_type(runner));
EXPECT_EQ(result_int(runner), 777);
// num
@ -638,7 +664,7 @@ TEST_F(LuaCjApiTest, TypedAndStringCoexist) {
TEST_F(LuaCjApiTest, TypedStateAfterCleanup) {
ASSERT_EQ(loadfunction(runner, get_script_path("func_typed_void.lua").c_str(), "v"), 0);
EXPECT_EQ(callfunction_void(runner, "v"), 0);
EXPECT_EQ(result_type(runner), CJT_INT);
EXPECT_INT_OR_NUM(result_type(runner));
EXPECT_EQ(cleanup(runner), 0);