From 694712ee9e049a732c4620d2269f98bb726b4989 Mon Sep 17 00:00:00 2001
From: halx99 <halx99@live.com>
Date: Fri, 18 Feb 2022 23:23:41 +0800
Subject: [PATCH] Use .def export APIs required by luac

This can avoid modify any lua src file
---
 thirdparty/lua/plainlua/CMakeLists.txt | 2 +-
 thirdparty/lua/plainlua/lmem.h         | 2 +-
 thirdparty/lua/plainlua/luac.c         | 4 ++--
 thirdparty/lua/plainlua/plainlua.def   | 3 +++
 4 files changed, 7 insertions(+), 4 deletions(-)
 create mode 100644 thirdparty/lua/plainlua/plainlua.def

diff --git a/thirdparty/lua/plainlua/CMakeLists.txt b/thirdparty/lua/plainlua/CMakeLists.txt
index 121b4b026506..bf18dc6b66af 100644
--- a/thirdparty/lua/plainlua/CMakeLists.txt
+++ b/thirdparty/lua/plainlua/CMakeLists.txt
@@ -17,7 +17,7 @@ set(LUA_BUILD_AS_DLL ${BUILD_SHARED_LIBS})
 
 if(WIN32)
     set(LUA_BUILD_AS_DLL TRUE)
-    add_library(${target_name} SHARED ${LUA_CORE})
+    add_library(${target_name} SHARED ${LUA_CORE} ${LUA_SRC_PATH}/plainlua.def)
 else()
     add_library(${target_name} ${LUA_CORE})
 endif()
diff --git a/thirdparty/lua/plainlua/lmem.h b/thirdparty/lua/plainlua/lmem.h
index 6fa91675d772..8c75a44beb47 100644
--- a/thirdparty/lua/plainlua/lmem.h
+++ b/thirdparty/lua/plainlua/lmem.h
@@ -81,7 +81,7 @@ LUAI_FUNC void *luaM_realloc_ (lua_State *L, void *block, size_t oldsize,
                                                           size_t size);
 LUAI_FUNC void *luaM_saferealloc_ (lua_State *L, void *block, size_t oldsize,
                                                               size_t size);
-LUALIB_API void luaM_free_ (lua_State *L, void *block, size_t osize);
+LUAI_FUNC void luaM_free_ (lua_State *L, void *block, size_t osize);
 LUAI_FUNC void *luaM_growaux_ (lua_State *L, void *block, int nelems,
                                int *size, int size_elem, int limit,
                                const char *what);
diff --git a/thirdparty/lua/plainlua/luac.c b/thirdparty/lua/plainlua/luac.c
index 1efdcf91e683..f6db9cf656bb 100644
--- a/thirdparty/lua/plainlua/luac.c
+++ b/thirdparty/lua/plainlua/luac.c
@@ -350,9 +350,9 @@ static void PrintCode(const Proto* f)
   int sc=GETARG_sC(i);
   int sbx=GETARG_sBx(i);
   int isk=GETARG_k(i);
-  //int line=luaG_getfuncline(f,pc);
+  int line=luaG_getfuncline(f,pc);
   printf("\t%d\t",pc+1);
-  //if (line>0) printf("[%d]\t",line); else printf("[-]\t");
+  if (line>0) printf("[%d]\t",line); else printf("[-]\t");
   printf("%-9s\t",opnames[o]);
   switch (o)
   {
diff --git a/thirdparty/lua/plainlua/plainlua.def b/thirdparty/lua/plainlua/plainlua.def
new file mode 100644
index 000000000000..383ab72f7cf0
--- /dev/null
+++ b/thirdparty/lua/plainlua/plainlua.def
@@ -0,0 +1,3 @@
+EXPORTS
+luaM_free_
+luaG_getfuncline
\ No newline at end of file