Added Lua Stuff

There are a few changes to the core Rainmeter code.

Library/lua/tolua++/tolua_push.c

@@ -0,0 +1,171 @@
+/* tolua: functions to push C values.
+** Support code for Lua bindings.
+** Written by Waldemar Celes
+** TeCGraf/PUC-Rio
+** Apr 2003
+** $Id: $
+*/
+
+/* This code is free software; you can redistribute it and/or modify it.
+** The software provided hereunder is on an "as is" basis, and
+** the author has no obligation to provide maintenance, support, updates,
+** enhancements, or modifications.
+*/
+
+#include "tolua++.h"
+#include "lauxlib.h"
+
+#include <stdlib.h>
+
+TOLUA_API void tolua_pushvalue (lua_State* L, int lo)
+{
+ lua_pushvalue(L,lo);
+}
+
+TOLUA_API void tolua_pushboolean (lua_State* L, int value)
+{
+ lua_pushboolean(L,value);
+}
+
+TOLUA_API void tolua_pushnumber (lua_State* L, lua_Number value)
+{
+ lua_pushnumber(L,value);
+}
+
+TOLUA_API void tolua_pushstring (lua_State* L, const char* value)
+{
+ if (value == NULL)
+  lua_pushnil(L);
+ else
+  lua_pushstring(L,value);
+}
+
+TOLUA_API void tolua_pushuserdata (lua_State* L, void* value)
+{
+ if (value == NULL)
+  lua_pushnil(L);
+ else
+  lua_pushlightuserdata(L,value);
+}
+
+TOLUA_API void tolua_pushusertype (lua_State* L, void* value, const char* type)
+{
+ if (value == NULL)
+  lua_pushnil(L);
+ else
+ {
+  luaL_getmetatable(L, type);
+  lua_pushstring(L,"tolua_ubox");
+  lua_rawget(L,-2);        /* stack: mt ubox */
+  if (lua_isnil(L, -1)) {
+	  lua_pop(L, 1);
+	  lua_pushstring(L, "tolua_ubox");
+	  lua_rawget(L, LUA_REGISTRYINDEX);
+  };
+  lua_pushlightuserdata(L,value);
+  lua_rawget(L,-2);                       /* stack: mt ubox ubox[u] */
+  if (lua_isnil(L,-1))
+  {
+   lua_pop(L,1);                          /* stack: mt ubox */
+   lua_pushlightuserdata(L,value);
+   *(void**)lua_newuserdata(L,sizeof(void *)) = value;   /* stack: mt ubox u newud */
+   lua_pushvalue(L,-1);                   /* stack: mt ubox u newud newud */
+   lua_insert(L,-4);                      /* stack: mt newud ubox u newud */
+   lua_rawset(L,-3);                      /* stack: mt newud ubox */
+   lua_pop(L,1);                          /* stack: mt newud */
+   /*luaL_getmetatable(L,type);*/
+   lua_pushvalue(L, -2);			/* stack: mt newud mt */
+   lua_setmetatable(L,-2);			/* stack: mt newud */
+
+   #ifdef LUA_VERSION_NUM
+   lua_pushvalue(L, TOLUA_NOPEER);
+   lua_setfenv(L, -2);
+   #endif
+  }
+  else
+  {
+   /* check the need of updating the metatable to a more specialized class */
+   lua_insert(L,-2);                       /* stack: mt ubox[u] ubox */
+   lua_pop(L,1);                           /* stack: mt ubox[u] */
+   lua_pushstring(L,"tolua_super");
+   lua_rawget(L,LUA_REGISTRYINDEX);        /* stack: mt ubox[u] super */
+   lua_getmetatable(L,-2);                 /* stack: mt ubox[u] super mt */
+   lua_rawget(L,-2);                       /* stack: mt ubox[u] super super[mt] */
+			if (lua_istable(L,-1))
+			{
+				lua_pushstring(L,type);                 /* stack: mt ubox[u] super super[mt] type */
+				lua_rawget(L,-2);                       /* stack: mt ubox[u] super super[mt] flag */
+				if (lua_toboolean(L,-1) == 1)   /* if true */
+				{
+					lua_pop(L,3);	/* mt ubox[u]*/
+					lua_remove(L, -2);
+					return;
+				}
+			}
+			/* type represents a more specilized type */
+			/*luaL_getmetatable(L,type);             // stack: mt ubox[u] super super[mt] flag mt */
+			lua_pushvalue(L, -5);					/* stack: mt ubox[u] super super[mt] flag mt */
+			lua_setmetatable(L,-5);                /* stack: mt ubox[u] super super[mt] flag */
+			lua_pop(L,3);                          /* stack: mt ubox[u] */
+  }
+  lua_remove(L, -2);	/* stack: ubox[u]*/
+ }
+}
+
+TOLUA_API void tolua_pushusertype_and_takeownership (lua_State* L, void* value, const char* type)
+{
+	tolua_pushusertype(L,value,type);
+	tolua_register_gc(L,lua_gettop(L));
+}
+
+TOLUA_API void tolua_pushfieldvalue (lua_State* L, int lo, int index, int v)
+{
+ lua_pushnumber(L,index);
+ lua_pushvalue(L,v);
+ lua_settable(L,lo);
+}
+
+TOLUA_API void tolua_pushfieldboolean (lua_State* L, int lo, int index, int v)
+{
+ lua_pushnumber(L,index);
+ lua_pushboolean(L,v);
+ lua_settable(L,lo);
+}
+
+
+TOLUA_API void tolua_pushfieldnumber (lua_State* L, int lo, int index, lua_Number v)
+{
+ lua_pushnumber(L,index);
+ tolua_pushnumber(L,v);
+ lua_settable(L,lo);
+}
+
+TOLUA_API void tolua_pushfieldstring (lua_State* L, int lo, int index, const char* v)
+{
+ lua_pushnumber(L,index);
+ tolua_pushstring(L,v);
+ lua_settable(L,lo);
+}
+
+TOLUA_API void tolua_pushfielduserdata (lua_State* L, int lo, int index, void* v)
+{
+ lua_pushnumber(L,index);
+ tolua_pushuserdata(L,v);
+ lua_settable(L,lo);
+}
+
+TOLUA_API void tolua_pushfieldusertype (lua_State* L, int lo, int index, void* v, const char* type)
+{
+ lua_pushnumber(L,index);
+ tolua_pushusertype(L,v,type);
+ lua_settable(L,lo);
+}
+
+TOLUA_API void tolua_pushfieldusertype_and_takeownership (lua_State* L, int lo, int index, void* v, const char* type)
+{
+ lua_pushnumber(L,index);
+ tolua_pushusertype(L,v,type);
+	tolua_register_gc(L,lua_gettop(L));
+ lua_settable(L,lo);
+}
+