diff src/luan/interp/FnCall.java @ 35:e51906de0f11

implement metatables git-svn-id: https://luan-java.googlecode.com/svn/trunk@36 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Tue, 18 Dec 2012 07:05:58 +0000
parents 5cf15507d77e
children 2a35154aec14
line wrap: on
line diff
--- a/src/luan/interp/FnCall.java	Sun Dec 16 09:23:56 2012 +0000
+++ b/src/luan/interp/FnCall.java	Tue Dec 18 07:05:58 2012 +0000
@@ -15,7 +15,17 @@
 	}
 
 	@Override public Object[] eval(LuaStateImpl lua) throws LuaException {
-		LuaFunction fn = Lua.checkFunction( fnExpr.eval(lua) );
-		return fn.call( lua, args.eval(lua) );
+		return call( lua, fnExpr.eval(lua) );
+	}
+
+	private Object[] call(LuaStateImpl lua,Object o) throws LuaException {
+		if( o instanceof LuaFunction ) {
+			LuaFunction fn = (LuaFunction)o;
+			return fn.call( lua, args.eval(lua) );
+		}
+		Object h = Utils.getHandlerObject("__call",o);
+		if( h != null )
+			return call(lua,h);
+		throw new LuaException( "attempt to call a " + Lua.type(o) + " value" );
 	}
 }