Merge pull request #132 from mniip/lua2

Some lua fixes

1 files changed, 45 insertions, 3 deletions

diff --git a/src/cat/LuaScriptInterface.cpp b/src/cat/LuaScriptInterface.cpp
index 74757e5..587be8c 100644
--- a/src/cat/LuaScriptInterface.cpp
+++ b/src/cat/LuaScriptInterface.cpp
@@ -57,6 +57,7 @@ Renderer * luacon_ren;
 
 bool *luacon_currentCommand;
 std::string *luacon_lastError;
+std::string lastCode;
 
 int *lua_el_func, *lua_el_mode, *lua_gr_func;
 
@@ -178,6 +179,8 @@ LuaScriptInterface::LuaScriptInterface(GameController * c, GameModel * m):
 	luacon_currentCommand = &currentCommand;
 	luacon_lastError = &lastError;
 
+	lastCode = "";
+
 	//Replace print function with our screen logging thingy
 	lua_pushcfunction(l, luatpt_log);
 	lua_setglobal(l, "print");
@@ -2119,14 +2122,53 @@ int LuaScriptInterface::Command(std::string command)
 	}
 	else
 	{
-		int ret;
+		int level = lua_gettop(l), ret;
+		std::string text = "";
 		lastError = "";
 		currentCommand = true;
+		if(lastCode.length())
+			lastCode += "\n";
+		lastCode += command;
+		std::string tmp = "return " + lastCode;
 		ui::Engine::Ref().LastTick(clock());
-		if((ret = luaL_dostring(l, command.c_str())))
+		luaL_loadbuffer(l, tmp.c_str(), tmp.length(), "@console");
+		if(lua_type(l, -1) != LUA_TFUNCTION)
+		{
+			lua_pop(l, 1);
+			luaL_loadbuffer(l, lastCode.c_str(), lastCode.length(), "@console");
+		}
+		if(lua_type(l, -1) != LUA_TFUNCTION)
 		{
 			lastError = luacon_geterror();
-			//Log(LogError, lastError);
+			if(std::string(lastError).find("near '<eof>'")!=-1) //the idea stolen from lua-5.1.5/lua.c
+				lastError = ">";
+			else
+				lastCode = "";
+		}
+		else
+		{
+			lastCode = "";
+			ret = lua_pcall(l, 0, LUA_MULTRET, 0);
+			if(ret)
+				lastError = luacon_geterror();
+			else
+			{
+				for(level++;level<=lua_gettop(l);level++)
+				{
+					luaL_tostring(l, level);
+					if(text.length())
+						text += ", " + std::string(luaL_optstring(l, -1, ""));
+					else
+						text = std::string(luaL_optstring(l, -1, ""));
+					lua_pop(l, 1);
+				}
+				if(text.length())
+					if(lastError.length())
+						lastError += "; " + text;
+					else
+						lastError = text;
+
+			}
 		}
 		currentCommand = false;
 		return ret;