From: Perttu Ahola <celeron55@gmail.com>
Date: Sat, 26 Nov 2011 01:40:16 +0000 (+0200)
Subject: Exception handling in Lua setting get
X-Git-Url: http://81.2.79.47:8989/gitweb/?a=commitdiff_plain;h=57a2bd056c6c0e61cd26490a2ca653f5720d60ea;p=zefram%2Fminetest%2Fminetest_engine.git

Exception handling in Lua setting get
---

diff --git a/data/mods/default/init.lua b/data/mods/default/init.lua
index c6f03938..8f8188df 100644
--- a/data/mods/default/init.lua
+++ b/data/mods/default/init.lua
@@ -1316,7 +1316,8 @@ minetest.register_on_respawnplayer(function(player)
 end)
 
 -- Example setting get
-print("max_users = " .. dump(minetest.setting_get("max_users")))
+print("setting max_users = " .. dump(minetest.setting_get("max_users")))
+print("setting asdf = " .. dump(minetest.setting_get("asdf")))
 
 --
 -- Done, print some random stuff
diff --git a/src/scriptapi.cpp b/src/scriptapi.cpp
index f1f0658f..af6e1779 100644
--- a/src/scriptapi.cpp
+++ b/src/scriptapi.cpp
@@ -861,8 +861,12 @@ static int l_register_on_respawnplayer(lua_State *L)
 static int l_setting_get(lua_State *L)
 {
 	const char *name = luaL_checkstring(L, 1);
-	std::string value = g_settings->get(name);
-	lua_pushstring(L, value.c_str());
+	try{
+		std::string value = g_settings->get(name);
+		lua_pushstring(L, value.c_str());
+	} catch(SettingNotFoundException &e){
+		lua_pushnil(L);
+	}
 	return 1;
 }
 
@@ -870,8 +874,12 @@ static int l_setting_get(lua_State *L)
 static int l_setting_getbool(lua_State *L)
 {
 	const char *name = luaL_checkstring(L, 1);
-	bool value = g_settings->getBool(name);
-	lua_pushboolean(L, value);
+	try{
+		bool value = g_settings->getBool(name);
+		lua_pushboolean(L, value);
+	} catch(SettingNotFoundException &e){
+		lua_pushnil(L);
+	}
 	return 1;
 }