Lua : finish off IO extern

std/lua/Io.hx

@@ -1,34 +1,61 @@
+/*
+ * Copyright (C)2005-2016 Haxe Foundation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
 package lua;
 import haxe.extern.Rest;
 
 @:native("_G.io")
 extern class Io {
+    public static var stdin  : FileHandle;
+	public static var stderr : FileHandle;
+	public static var stdout : FileHandle;
+
 	public static function close(?file : FileHandle) : Void;
 	public static function flush() : Void;
 
 	@:overload(   function      (file : String)     : Void {})
 	public static function input(file : FileHandle) : Void;
 
-	public static function lines(?file : String) : NativeIterator<String>; 
+	public static function lines(?file : String) : NativeIterator<String>;
 
 	public static function open (filename : String, ?mode : String) : FileHandle;
-	public static function popen(command : String, ?mode : String) : FileHandle;
+	public static function popen(command  : String, ?mode : String) : FileHandle;
 
 	@:overload(   function     (?count    : Int)    : String {})
 	public static function read(?filename : String) : String;
 
 	public static function write(v : Rest<String>) : Void;
 
-	// TODO
-	// public static function write(v : Dynamic)  
-// public static function output
-// public static function popen
-// public static function stderr
-// public static function stdin
-// public static function stdout
-// public static function tmpfile
-// public static function type
-// public static function write
+	public static function output(?file : String) : FileHandle;
 
+	public static function tmpfile() : FileHandle;
+	public static function type(obj : FileHandle) : IoType;
 }
 
+@:enum
+abstract IoType(String) {
+	var File = "file";
+	var ClosedFile = "closed file";
+	var NotAFile = null;
+	@:to public function toString(){
+		return this;
+	}
+}