[lua] implement fast Vector type

std/haxe/ds/Vector.hx

@@ -33,6 +33,8 @@ private typedef VectorData<T> = #if flash10
 	cs.NativeArray<T>
 #elseif java
 	java.NativeArray<T>
+#elseif lua
+    lua.Table<Int,T>
 #else
 	Array<T>
 #end
@@ -71,6 +73,9 @@ abstract Vector<T>(VectorData<T>) {
 			this.setSize(length);
 		#elseif python
 			this = python.Syntax.pythonCode("[{0}]*{1}", null, length);
+		#elseif lua
+			this = lua.Boot.createTable();
+			untyped this.length = length;
 		#else
 			this = [];
 			untyped this.length = length;
@@ -301,6 +306,8 @@ abstract Vector<T>(VectorData<T>) {
 	public inline function sort<T>(f:T->T->Int):Void {
 		#if (neko || cs || java)
 		throw "not yet supported";
+		#elseif lua
+		haxe.ds.ArraySort.sort(cast this, f);
 		#else
 		this.sort(f);
 		#end

tests/unit/src/unitstd/haxe/ds/Vector.unit.hx

@@ -31,7 +31,7 @@ vec.get(2) == vNullBool;
 // fromArray
 var arr = ["1", "2", "3"];
 var vec:haxe.ds.Vector<String> = haxe.ds.Vector.fromArrayCopy(arr);
-#if (!flash && !neko && !cs && !java)
+#if (!flash && !neko && !cs && !java && !lua)
 arr != vec.toData();
 #end
 vec.length == 3;
@@ -161,4 +161,4 @@ vec[0] == -12;
 vec[1] == 0;
 vec[2] == 99;
 vec[3] == 101;
-#end
+#end