Just found out i have to rewrite the entire thing from scratch for the sake of optimizations...

:'3

.gitignore

@@ -1,4 +1,4 @@
 /hscript.swf
 /release.zip
-
+dump/*
 tests/bin/*

README.md

@@ -3,7 +3,7 @@ hscript-improved
 
 How to install
 ```
-haxelib git hscript-improved https://github.com/FNF-CNE-Devs/hscript-improved.git
+haxelib git hscript-improved https://github.com/CodenameCrew/hscript-improved.git
 ```
 
 To enable custom classes support you have to do this in project.xml

TestHScript.hx

@@ -33,6 +33,10 @@ class TestHScript extends TestCase {
 		assertScript("- 123",-123);
 		assertScript("1.546",1.546);
 		assertScript(".545",.545);
+		assertScript("1e5",100000);
+		assertScript("1.2e2",120);
+		assertScript("100e-2",1);
+		assertScript("1.2e-1",0.12);
 		assertScript("'bla'","bla");
 		assertScript("null",null);
 		assertScript("true",true);
@@ -53,6 +57,7 @@ class TestHScript extends TestCase {
 		assertScript("3 * 2 // + 5 \n + 6",12);
 		assertScript("3 /* 2\n */ + 5",8);
 		assertScript("[55,66,77][1]",66);
+		assertScript("[11,22,33,][2]", 33);
 		assertScript("var a = [55]; a[0] *= 2; a[0]",110);
 		assertScript("x",55,{ x : 55 });
 		assertScript("var y = 33; y",33);

extraParams.hxml

@@ -1,3 +1,4 @@
 --macro keep('IntIterator')
---macro hscript.macros.UsingHandler.init()
+--macro hscript.macros.AbstractHandler.init()
+--macro hscript.macros.UsingMacro.init()
 --macro hscript.macros.ClassExtendMacro.init()

hscript/Bytes.hx

@@ -124,10 +124,17 @@ class Bytes {
 		#end
 		bout.addByte(Type.enumIndex(e));
 		switch( e ) {
+		case EIgnore(_):
 		case EImport(c):
 			// TODO
 		case EClass(_, _, _, _):
 			// TODO
+		case ERedirect(_, _):
+			// TODO
+		case EUsing(name):
+			// TODO
+		case EEnum(name, fields):
+			// TODO
 		case EConst(c):
 			doEncodeConst(c);
 		case EIdent(v):

hscript/Config.hx

@@ -12,6 +12,11 @@ class Config {
 		"openfl.display.BlendMode",
 	];
 
+	// Runs support for using in specific classes. 
+	public static final ALLOWED_USING = [
+
+	];
+
 	// Incase any of your files fail
 	// These are the module names
 	public static final DISALLOW_CUSTOM_CLASSES = [
@@ -21,4 +26,8 @@ class Config {
 	public static final DISALLOW_ABSTRACT_AND_ENUM = [
 
 	];
+
+	public static final DISALLOW_USING = [
+
+	];
 }

hscript/CustomClassHandler.hx

@@ -4,6 +4,7 @@ import hscript.Interp.DeclaredVar;
 import hscript.utils.UnsafeReflect;
 using StringTools;
 
+@:deprecated('Switch to new Custom Class instead')
 class CustomClassHandler implements IHScriptCustomConstructor {
 	public static var staticHandler = new StaticHandler();
 
@@ -22,7 +23,7 @@ class CustomClassHandler implements IHScriptCustomConstructor {
 		this.extend = extend;
 		this.interfaces = interfaces;
 
-		this.cl = extend == null ? CustomTemplateClass : Type.resolveClass('${extend}_HSX');
+		//this.cl = extend == null ? CustomTemplateClass : Type.resolveClass('${extend}_HSX');
 		if(cl == null)
 			ogInterp.error(EInvalidClass(extend));
 	}
@@ -75,7 +76,7 @@ class CustomClassHandler implements IHScriptCustomConstructor {
 			comparisonMap.set(key, value);
 		}
 
-		_class.__custom__variables = interp.variables;
+		//_class.__custom__variables = interp.variables;
 
 		//trace(fields);
 		for(expr in fields) {
@@ -99,21 +100,21 @@ class CustomClassHandler implements IHScriptCustomConstructor {
 		//	}
 		//}
 
-		_class.__class__fields = [for(key => value in classVariables) key];
+		//_class.__class__fields = [for(key => value in classVariables) key];
 
 		//trace(_class.__class__fields);
 		//@:privateAccess
 		//trace(interp.__instanceFields);
 
-		_class.__interp = interp;
+		//_class.__interp = interp;
-		_class.__allowSetGet = false;
+		//_class.__allowSetGet = false;
 		interp.scriptObject = _class;
 
 		for(variable => value in interp.variables) {
 			if(variable == "this" || variable == "super" || variable == "new") continue;
 
 			if(variable.startsWith("set_") || variable.startsWith("get_")) {
-				_class.__allowSetGet = true;
+				//_class.__allowSetGet = true;
 			}
 		}
 
@@ -138,9 +139,11 @@ class CustomClassHandler implements IHScriptCustomConstructor {
 				if(!interp.__instanceFields.contains(variable)) {
 					interp.__instanceFields.push(variable);
 				}
+				/*
 				if(!_class.__class__fields.contains(variable)) {
 					_class.__class__fields.push(variable);
 				}
+				*/
 			}
 		}
 
@@ -152,9 +155,10 @@ class CustomClassHandler implements IHScriptCustomConstructor {
 		return name;
 	}
 }
-
+/*
 class CustomTemplateClass implements IHScriptCustomClassBehaviour implements IHScriptCustomAccessBehaviour {
 	public var __interp:Interp;
+	public var __customClass:hscript.customclass.CustomClass;
 	public var __allowSetGet:Bool = true;
 	public var __custom__variables:Map<String, Dynamic>;
 	public var __real_fields:Array<String>;
@@ -198,15 +202,18 @@ class CustomTemplateClass implements IHScriptCustomClassBehaviour implements IHS
 	}
 }
 
+*/
+
 
 /**
  * This is for backwards compatibility with old hscript-improved, since some scripts use it
-**/
+ */
 @:dox(hide)
 @:keep
 class TemplateClass implements IHScriptCustomBehaviour implements IHScriptCustomAccessBehaviour {
 	public var __interp:Interp;
 	public var __allowSetGet:Bool = true;
+	public var __allowPrivateAccess:Bool = true;
 
 	public function hset(name:String, val:Dynamic):Dynamic {
 		var variables = __interp.variables;
@@ -236,7 +243,8 @@ class TemplateClass implements IHScriptCustomBehaviour implements IHScriptCustom
 		return v;
 	}
 }
-
+/*
 final class StaticHandler {
 	public function new() {}
-}
+}
+*/

hscript/Expr.hx

@@ -51,9 +51,10 @@ enum ExprDef {
 typedef ExprDef = Expr;
 enum Expr {
 #end
+	EIgnore(skip:Bool);
 	EConst( c : Const );
 	EIdent( v : String );
-	EVar( n : String, ?t : CType, ?e : Expr, ?isPublic : Bool, ?isStatic : Bool, ?isPrivate : Bool, ?isFinal : Bool, ?isInline : Bool );
+	EVar( n : String, ?t : CType, ?e : Expr, ?isPublic : Bool, ?isStatic : Bool, ?isPrivate : Bool, ?isFinal : Bool, ?isInline : Bool, ?get : FieldPropertyAccess, ?set : FieldPropertyAccess );
 	EParent( e : Expr );
 	EBlock( e : Array<Expr> );
 	EField( e : Expr, f : String , ?safe : Bool );
@@ -81,6 +82,9 @@ enum Expr {
 
 	EImport( c : String, ?asname:String );
 	EClass( name:String, fields:Array<Expr>, ?extend:String, interfaces:Array<String>, ?isFinal:Bool, ?isPrivate:Bool );
+	ERedirect( name:String, className:String, ?cl:Class<Dynamic> );
+	EUsing(name:String);
+	EEnum(name:String, fields:Array<EnumType>);
 }
 
 @:structInit
@@ -159,9 +163,10 @@ enum Error {
 
 enum ModuleDecl {
 	DPackage( path : Array<String> );
-	DImport( path : Array<String>, ?everything : Bool );
+	DImport( path : Array<String>, ?everything : Bool, ?asname:String );
-	DClass( c : ClassDecl );
+	DUsing( path : Array<String>);
 	DTypedef( c : TypeDecl );
+	DClass( c : ClassDecl );
 }
 
 typedef ModuleType = {
@@ -211,8 +216,30 @@ final class FunctionDecl {
 }
 
 typedef VarDecl = {
-	var get : Null<String>;
+	var get : FieldPropertyAccess;
-	var set : Null<String>;
+	var set : FieldPropertyAccess;
+	var isFinal : Bool;
 	var expr : Null<Expr>;
 	var type : Null<CType>;
 }
+
+typedef TypeParamDecl = {};
+
+enum EnumType {
+	ESimple(name: String);
+	EConstructor(name: String, args: Array<Argument>);
+}
+
+enum abstract FieldPropertyAccess(UInt8) {
+	var ADefault;
+	var ANull;
+	var AGet;
+	var ASet;
+	var ADynamic;
+	var ANever;
+}
+
+enum AccessContext {
+	CInner(cl:String);
+	COuter;
+}

hscript/IHScriptCustomAccessBehaviour.hx

@@ -2,6 +2,7 @@ package hscript;
 
 interface IHScriptCustomAccessBehaviour {
 	var __allowSetGet:Bool;
+	var __allowPrivateAccess:Bool;
 
 	public function hset(name:String, val:Dynamic):Dynamic;
 	public function hget(name:String):Dynamic;

hscript/IHScriptCustomClassBehaviour.hx

@@ -1,16 +1,6 @@
 package hscript;
 
 interface IHScriptCustomClassBehaviour {
-	public var __interp:Interp;
+	public var __customClass:hscript.customclass.CustomClass;
-	public var __custom__variables:Map<String, Dynamic>;
-	public var __allowSetGet:Bool;
 	public var __real_fields:Array<String>;
-	public var __class__fields:Array<String>;
-
-	public function hset(name:String, val:Dynamic):Dynamic;
-	public function hget(name:String):Dynamic;
-
-	public function __callGetter(name:String):Dynamic;
-
-	public function __callSetter(name:String, val:Dynamic):Dynamic;
 }

hscript/InterpConfig.hx

@@ -0,0 +1,15 @@
+package hscript;
+
+class InterpConfig {
+    // Automatic import redirect for certain classes
+	public static final IMPORT_REDIRECTS = [
+		"Type" => "hscript.proxy.ProxyType"
+	];
+	
+	// Incase an import fails
+	// These are the module names
+	@:unreflective 
+	public static final DISALLOW_IMPORT = [
+		"Type"
+	];
+}

hscript/Parser.hx

@@ -22,6 +22,7 @@
 package hscript;
 import haxe.rtti.Meta;
 import hscript.Expr;
+import hscript.Expr.FieldPropertyAccess;
 
 enum Token {
 	TEof;
@@ -86,6 +87,11 @@ class Parser {
 	**/
 	public var resumeErrors : Bool;
 
+	/*
+		package name, set when using "package;" in your script.
+	 */
+	public var packageName:String = null;
+
 	// implementation
 	var input : String;
 	var readPos : Int;
@@ -97,6 +103,8 @@ class Parser {
 
 	var disableOrOp : Bool = false;
 
+	var isVar : Bool = false;
+
 	#if hscriptPos
 	var origin : String;
 	var tokenMin : Int;
@@ -234,6 +242,16 @@ class Parser {
 		}
 	}
 
+	function extractIdent(tk: Token): String {
+		switch (tk) {
+			case TId(id):
+				return id;
+			default:
+				unexpected(tk);
+				return null;
+		}
+	}
+
 	inline function expr(e:Expr):#if hscriptPos ExprDef #else Expr #end {
 		#if hscriptPos
 		return e.e;
@@ -272,7 +290,7 @@ class Parser {
 	function isBlock(e:Expr):Bool {
 		if( e == null ) return false;
 		return switch( expr(e) ) {
-			case EBlock(_), EObject(_), ESwitch(_): true;
+			case EBlock(_), EObject(_), ESwitch(_), EEnum(_, _): true;
 			case EFunction(_,e,_,_,_,_): isBlock(e);
 			case EClass(_,e,_,_): true;
 			case EVar(_, t, e, _,_): e != null ? isBlock(e) : t != null ? t.match(CTAnon(_)) : false;
@@ -285,19 +303,22 @@ class Parser {
 			case EReturn(e): e != null && isBlock(e);
 			case ETry(_, _, _, e): isBlock(e);
 			case EMeta(_, _, e): isBlock(e);
+			case EIgnore(skip): skip;
 			default: false;
 		}
 	}
 
 	function parseFullExpr( exprs : Array<Expr> ):Void {
 		var e = parseExpr();
-		exprs.push(e);
+		if(!expr(e).match(EIgnore(_)))
+			exprs.push(e);
 
 		var tk = token();
 		// this is a hack to support var a,b,c; with a single EVar
 		while( tk == TComma && e != null && expr(e).match(EVar(_)) ) {
 			e = parseStructure("var"); // next variable
-			exprs.push(e);
+			if(!expr(e).match(EIgnore(_)))
+				exprs.push(e);
 			tk = token();
 		}
 
@@ -463,15 +484,24 @@ class Parser {
 		case TBkOpen:
 			var a = [];
 			tk = token();
+			var first:Bool = true;
 			while( tk != TBkClose && (!resumeErrors || tk != TEof) ) {
+				if(!first) {
+					if(tk != TComma)
+						unexpected(tk);
+					else {
+						tk = token();
+						if (tk == TBkClose)
+							break;
+					}
+				}
+				first = false;
 				push(tk);
 				var oldoo = disableOrOp;
 				disableOrOp = false;
 				a.push(parseExpr());
 				disableOrOp = oldoo;
 				tk = token();
-				if( tk == TComma )
-					tk = token();
 			}
 			if( a.length == 1 && a[0] != null ) // What is this for???
 				switch( expr(a[0]) ) {
@@ -827,7 +857,40 @@ class Parser {
 				}
 			}
 			var ident = getIdent();
+			var get = ADefault, set = ADefault;
+			var hasGetSet:Bool = false;
+
 			var tk = token();
+			if( tk == TPOpen) {
+				if( id == "final" )
+					unexpected(tk);
+
+				var getId = getIdent();
+				switch (getId) {
+					case 'default': // Do nothing
+					case 'get': get = AGet;
+					case 'null': get = ANull;
+					case 'dynamic': get = ADynamic;
+					case 'never': get = ANever;
+					default: error(ECustom("Custom property accessor is not supported"), p1, tokenMax);
+				}
+				ensure(TComma);
+				var setId = getIdent();
+				switch (setId) {
+					case 'default': // Do nothing
+					case 'set': set = ASet;
+					case 'null': set = ANull;
+					case 'dynamic': set = ADynamic;
+					case 'never': set = ANever;
+					default: error(ECustom("Custom property accessor is not supported"), p1, tokenMax);
+				}
+				ensure(TPClose);
+
+				hasGetSet = true;
+
+				tk = token();
+			}
+
 			var t = null;
 			nextType = null;
 			if( tk == TDoubleDot && allowTypes ) {
@@ -841,8 +904,12 @@ class Parser {
 				e = parseExpr();
 			else
 				push(tk);
+
+			if(hasGetSet)
+				checkAccess(get, set, e, t);
+
 			nextType = null;
-			mk(EVar(ident, t, e, nextIsPublic, nextIsStatic, nextIsPrivate, id == "final", nextIsInline), p1, (e == null) ? tokenMax : pmax(e));
+			mk(EVar(ident, t, e, nextIsPublic, nextIsStatic, nextIsPrivate, id == "final", nextIsInline, get, set), p1, (e == null) ? tokenMax : pmax(e));
 		case "while":
 			var econd = parseExpr();
 			var e = parseExpr();
@@ -892,6 +959,18 @@ class Parser {
 			var tk = token();
 			push(tk);
 			mk(EFunction(inf.args, inf.body, name, inf.ret, nextIsPublic, nextIsStatic, nextIsOverride, nextIsPrivate, nextIsFinal, nextIsInline),p1,pmax(inf.body));
+		case "package":
+			// ignore package
+			var tk = token();
+			push(tk);
+			packageName = "";
+			if (tk == TSemicolon)
+				return mk(EIgnore(false));
+
+			var path = parsePath();
+			// mk(EPackage(path.join(".")));
+			packageName = path.join(".");
+			mk(EIgnore(false));
 		case "import":
 			var oldReadPos = readPos;
 			var tk = token();
@@ -1033,7 +1112,91 @@ class Parser {
 			var tk = token();
 			push(tk);
 			mk(EClass(name, fields, extend, interfaces, nextIsFinal, nextIsPrivate), p1);
+		case "typedef":
+			var name = getIdent();
 
+			ensureToken(TOp("="));
+
+			var t = parseType();
+
+			switch(t) {
+				case CTAnon(_) | CTFun(_):
+					/*
+						Ignore parsing if its, 
+						typedef Name = {
+							> Person
+							var name:String;
+							var age:Int;
+						}
+					 */
+					mk(EIgnore(true));
+				case CTPath(path, params):
+					if (params != null && params.length > 1)
+						error(ECustom("Typedefs can't have parameters"), p1, tokenMax);
+
+					if (path.length == 0)
+						error(ECustom("Typedefs can't be empty"), p1, tokenMax);
+
+					var className = path.join(".");
+					var cl = Tools.getClass(className);
+					if(cl != null)
+						return mk(ERedirect(name, className, cl));
+
+					var expr = mk(EIdent(path.shift()));
+					while (path.length > 0) {
+						expr = mk(EField(expr, path.shift(), false));
+					}
+
+					// todo? add import to the beginning of the file?
+					mk(EVar(name, null, expr));
+				default:
+					error(ECustom("Typedef, unknown type " + t), p1, tokenMax);
+					null;
+			}
+		case "using":
+			var path = parsePath();
+			mk(EUsing(path.join(".")));
+		case "enum":
+			var name = getIdent();
+
+			ensure(TBrOpen);
+
+			var fields = [];
+
+			var currentName = "";
+			var currentArgs: Array<Argument> = null;
+			while (true) {
+				var tk = token();
+				switch (tk) {
+					case TBrClose:
+						break;
+					case TSemicolon | TComma:
+						if (currentName == "")
+							continue;
+
+						if (currentArgs != null && currentArgs.length > 0) {
+							fields.push(EnumType.EConstructor(currentName, currentArgs));
+							currentArgs = null;
+						} else {
+							fields.push(EnumType.ESimple(currentName));
+						}
+						currentName = "";
+					case TPOpen:
+						if (currentArgs != null) {
+							error(ECustom("Cannot have multiple argument lists in one enum constructor"), tokenMin, tokenMax);
+							break;
+						}
+						currentArgs = parseFunctionArgs();
+					default:
+						if (currentName != "") {
+							error(ECustom("Expected comma or semicolon"), tokenMin, tokenMax);
+							break;
+						}
+						var name = extractIdent(tk);
+						currentName = name;
+				}
+			}
+			mk(EEnum(name, fields));
 		case "return":
 			var tk = token();
 			push(tk);
@@ -1448,6 +1611,24 @@ class Parser {
 		return args;
 	}
 
+	function checkAccess(get:FieldPropertyAccess, set:FieldPropertyAccess, ?expr:Expr, ?type:CType) {
+		#if hscriptPos
+		var p1 = tokenMin;
+		#end
+		switch([get, set]) {
+			case [AGet, ASet] | [AGet, ANever] | [ANever, ASet]:
+				if(expr != null && !isVar)
+					error(ECustom("Attempt to assign on field that is not a real variable"), p1, pmax(expr));
+				else if(type == null)
+					error(ECustom("Property requires type-hint"), p1, tokenMax);
+			case [ANever, ANever]:
+				error(ECustom("Unsupported property combination"), p1, (expr == null) ? tokenMax : pmax(expr));
+			default:
+				if(expr == null && type == null)
+					error(ECustom("Property requires type-hint or initialization"), p1, tokenMax);
+		}
+	}
+
 	// ------------------------ module -------------------------------
 
 	public function parseModule( content : String, ?origin : String = "hscript" ):Array<ModuleDecl> {
@@ -1463,6 +1644,13 @@ class Parser {
 			push(tk);
 			decls.push(parseModuleDecl());
 		}
+		haxe.ds.ArraySort.sort(decls, (m1, m2) -> {
+			var i1 = Type.enumIndex(m1);
+			var i2 = Type.enumIndex(m2);
+
+			if(i1 > i2) return 0;
+			return -1;
+		});
 		return decls;
 	}
 
@@ -1509,10 +1697,22 @@ class Parser {
 				return DPackage(path);
 			case "import":
 				var path = [getIdent()];
-				var star = false;
+				var asname:String = null;
+				var star = false; // For now, unused
 				while( true ) {
 					var t = token();
 					if( t != TDot ) {
+						if (t.match(TId("as"))) {
+							t = token();
+							switch (t) {
+								case TId(id):
+									asname = id;
+								default:
+									unexpected(t);
+							}
+							break;
+						}
+
 						push(t);
 						break;
 					}
@@ -1520,34 +1720,56 @@ class Parser {
 					switch( t ) {
 					case TId(id):
 						path.push(id);
+					/* idk if put this work
 					case TOp("*"):
 						star = true;
+					*/
 					default:
 						unexpected(t);
 					}
 				}
 				ensure(TSemicolon);
-				return DImport(path, star);
+				return DImport(path, star, asname);
+			case "using":
+				var path = parsePath();
+				ensure(TSemicolon);
+				return DUsing(path);
 			case "class":
 				var name = getIdent();
 				var params = parseParams();
-				var extend = null;
+				var extend:Null<CType> = null;
-				var implement = [];
+				var implement:Array<CType> = [];
 
 				while( true ) {
 					var t = token();
 					switch( t ) {
 						case TId("extends"):
-							extend = parseType();
+							var e = parseType();
+							switch(e) {
+								case CTPath(path, params):
+									if(extend != null) {
+										error(ECustom('Cannot extend a class twice.'), 0, 0);
+									}
+									extend = e;
+								default:
+									error(ECustom('${Std.string(e)} is not a valid path.'), 0, 0);
+							}
 						case TId("implements"):
-							implement.push(parseType());
+							var i = parseType();
+							switch(i) {
+								case CTPath(path, params):
+									implement.push(i);
+								default:
+									error(ECustom('${Std.string(i)} is not a valid interface path.'), 0, 0);
+							}
+							//implement.push(parseType());
 						default:
 							push(t);
 							break;
 					}
 				}
 
-				var fields = [];
+				var fields:Array<FieldDecl> = [];
 				ensure(TBrOpen);
 				while( !maybe(TBrClose) )
 					fields.push(parseField());
@@ -1611,17 +1833,42 @@ class Parser {
 							ret : inf.ret,
 						}),
 					};
-				case "var":
+				case "var" | "final":
 					var name = getIdent();
-					var get = null, set = null;
+					var get = ADefault, set = ADefault;
-					if( maybe(TPOpen) ) {
+					var hasGetSet:Bool = false;
-						get = getIdent();
+
+					if(maybe(TPOpen)) {
+						if(id == "final") 
+							unexpected(TPOpen);
+
+						var getId = getIdent();
+						switch(getId) {
+							case 'default': // Do nothing
+							case 'get': get = AGet;
+							case 'null': get = ANull;
+							case 'dynamic': get = ADynamic;
+							case 'never': get = ANever;
+							default: error(ECustom("Custom property accessor is not supported"), tokenMin, tokenMax);
+						}
 						ensure(TComma);
-						set = getIdent();
+						var setId = getIdent();
+						switch(setId) {
+							case 'default': // Do nothing
+							case 'set': set = ASet;
+							case 'null': set = ANull;
+							case 'dynamic': set = ADynamic;
+							case 'never': set = ANever;
+							default: error(ECustom("Custom property accessor is not supported"), tokenMin, tokenMax);
+						}
 						ensure(TPClose);
+						hasGetSet = true;
 					}
-					var type = maybe(TDoubleDot) ? parseType() : null;
+					var type:Null<CType> = maybe(TDoubleDot) ? parseType() : null;
-					var expr = maybe(TOp("=")) ? parseExpr() : null;
+					var expr:Null<Expr> = maybe(TOp("=")) ? parseExpr() : null;
+
+					if(hasGetSet)
+						checkAccess(get, set, expr, type);
 
 					if( expr != null ) {
 						if( isBlock(expr) )
@@ -1640,8 +1887,9 @@ class Parser {
 						kind : KVar({
 							get : get,
 							set : set,
+							isFinal: id == "final",
 							type : type,
-							expr : expr,
+							expr : expr
 						}),
 					};
 				default:
@@ -1797,6 +2045,8 @@ class Parser {
 						}
 						if( pow == null )
 							invalidChar(char);
+						if( exp == 0 )
+							exp = 10;
 						return TConst(CFloat((Math.pow(10, pow) / exp) * n * 10));
 					case ".".code:
 						if( exp > 0 ) {

hscript/Printer.hx

@@ -113,7 +113,8 @@ class Printer {
 			add("??NULL??");
 			return;
 		}
-		switch( #if hscriptPos e.e #else e #end ) {
+		switch( Tools.expr(e) ) {
+		case EIgnore(_):
 		case EImport(c, n):
 			add("import " + c);
 			if(n != null)
@@ -133,6 +134,8 @@ class Printer {
 
 			tabs = tabs.substr(1);
 			add("}");
+		case ERedirect(n, cl):
+			add('typedef $n = $cl');
 		case EConst(c):
 			switch( c ) {
 			case CInt(i): add(i);
@@ -344,9 +347,43 @@ class Printer {
 			add(" : ");
 			addType(t);
 			add(")");
+		case EUsing(name):
+			add("using ");
+			add(name);
+		case EEnum(name, params):
+			if (params.length == 0) {
+				add("enum " + name + " {}");
+				return;
+			}
+			add("enum " + name + " {\n");
+			tabs += "\t";
+			for (p in params) {
+				add(tabs);
+				switch p {
+					case EConstructor(name, args):
+						add(name);
+						add("(");
+						for (a in args)
+							addArgument(a);
+						add(")");
+					case ESimple(name):
+						add(name);
+				}
+				add(";\n");
+			}
+			tabs = tabs.substr(1);
+			add(tabs);
+			add("}");
 		}
 	}
 
+	function addArgument(a: Argument) {
+		if (a.opt)
+			add("?");
+		add(a.name);
+		addType(a.t);
+	}
+
 	public static function toString( e : Expr ):String {
 		return new Printer().exprToString(e);
 	}

hscript/Tools.hx

@@ -22,6 +22,8 @@
 package hscript;
 import hscript.Expr;
 
+using StringTools;
+
 class Tools {
 
 	public static function iter( e : Expr, f : Expr -> Void ):Void {
@@ -59,7 +61,7 @@ class Tools {
 			if( def != null ) f(def);
 		case EMeta(name, args, e): if( args != null ) for( a in args ) f(a); f(e);
 		case ECheckType(e,_): f(e);
-
+		default:
 		}
 	}
 
@@ -91,6 +93,7 @@ class Tools {
 		case ECheckType(e,t): ECheckType(f(e), t);
 		case EImport(c): EImport(c);
 		case EClass(name, el, extend, interfaces): EClass(name, [for( e in el ) f(e)], extend, interfaces);
+		default: #if hscriptPos e.e #else e #end;
 		}
 		return mk(edef, e);
 	}
@@ -111,4 +114,147 @@ class Tools {
 		#end
 	}
 
+	@:access(hscript.Interp)
+	public static function clearClasses() {
+		#if CUSTOM_CLASSES
+		Interp._customClasses.clear();
+		Interp._customClassAliases.clear();
+		#end
+	}
+
+	public static function removeInnerClass(name: String): String {
+		var ll = name.lastIndexOf(".");
+		if (name.indexOf(".") != ll) { // checks if there are 2 or more dots
+			// wtf did i make -neo
+			// this is awesome -crow
+			return name.substr(0, name.lastIndexOf(".", ll - 1)) + "." + name.substr(ll + 1);
+		}
+		// only one dot or no dots (will work since -1 + 1 = 0)
+		return name.substr(ll + 1);
+	}
+
+	// TODO: maybe use this function for import since also check for innerclasses
+	public static function getClass(name: String): Dynamic {
+		var splitClassName = [for (e in name.split(".")) e.trim()];
+		var realClassName = splitClassName.join(".");
+
+		var c: Dynamic = Type.resolveClass(realClassName);
+		if (c == null) // try importing as enum
+			try
+				c = Type.resolveEnum(name);
+
+		if (c == null) {
+			// lastly try removing any inner class from it
+			// this allows you to import stuff like
+			// flixel.text.FlxText.FlxTextBorderStyle
+			// without the script crashing immediately
+			var className = removeInnerClass(realClassName);
+			if (className != name) {
+				c = Type.resolveClass(className);
+				if (c == null)
+					c = Type.resolveEnum(className);
+			}
+		}
+		return c;
+	}
+
+	public static function isIterable(v: Dynamic): Bool {
+		// TODO: test for php and lua, they might have issues with this check
+		return v != null && v.iterator != null;
+	}
+
+	/**
+	 * DO NOT USE INLINE ON THIS FUNCTION
+	**/
+	public static function argCount(func: haxe.Constraints.Function): Int {
+		#if cpp
+		return untyped __cpp__("{0}->__ArgCount()", func);
+		#elseif js
+		return untyped js.Syntax.code("{0}.length", func);
+		#else
+		return -1;
+		#end
+	}
+
+	public static function getClassDeclFields(classDecl:hscript.Expr.ClassDecl, onlyStatic:Bool = false):Array<FieldDecl> {
+		var fields = classDecl.fields.filter(function(field:FieldDecl) {
+			var isStatic = field.access.contains(AStatic);
+			return onlyStatic ? isStatic : !isStatic;
+		});
+		return fields;
+	}
+
+}
+
+/**
+ * @see https://github.com/pisayesiwsi/hscript-iris/blob/dev/crowplexus/hscript/Tools.hx#L217
+ */
+class EnumValue {
+	public var enumName: String;
+	public var name: String;
+	public var index: Int;
+	public var args: Array<Dynamic>;
+	public var enumParent:Dynamic;
+
+	public function new(enumName: String, name: String, index: Int, enumParent:Dynamic, ?args: Array<Dynamic>) {
+		this.enumName = enumName;
+		this.name = name;
+		this.index = index;
+		this.enumParent = enumParent;
+		this.args = args;
+	}
+
+	public function toString(): String {
+		if (args == null)
+			return enumName + "." + name;
+		return enumName + "." + name + "(" + [for (arg in args) arg].join(", ") + ")";
+	}
+
+	public inline function getEnumName(): String
+		return this.enumName;
+
+	public inline function getConstructorArgs(): Array<Dynamic>
+		return this.args != null ? this.args : [];
+
+	public function compare(other: EnumValue): Bool {
+		if (enumName != other.enumName || name != other.name)
+			return false;
+		if (args == null && other.args == null)
+			return true;
+		if (args == null || other.args == null)
+			return false;
+		if (args.length != other.args.length)
+			return false;
+
+		for (i in 0...args.length) {
+			// TODO: allow deep comparison, like arrays
+			if (args[i] != other.args[i])
+				return false;
+		}
+
+		return true;
+	}
+}
+
+class HScriptEnum implements IHScriptCustomBehaviour {
+	public var enumValues(default, null) = {};
+
+	public function new() {}
+
+	public function setEnum(name:String, enumValue:Dynamic) {
+		Reflect.setField(enumValues, name, enumValue);
+	}
+
+	public function getEnumValue(name:String):Null<Dynamic> {
+		if(Reflect.hasField(enumValues, name)) return Reflect.field(enumValues, name);
+		return null;
+	}
+
+	public function hget(name:String):Dynamic {
+		return getEnumValue(name);
+	}
+
+	public function hset(name:String, val:Dynamic):Dynamic {
+		return null;
+	}
 }

hscript/customclass/CustomClass.hx

@@ -0,0 +1,512 @@
+package hscript.customclass;
+
+import hscript.utils.UnsafeReflect;
+import haxe.Constraints.Function;
+import hscript.Expr;
+import hscript.Expr.FieldPropertyAccess;
+import hscript.Expr.VarDecl;
+import hscript.Expr.FunctionDecl;
+import hscript.Expr.FieldDecl;
+
+using Lambda;
+using StringTools;
+
+/**
+ * The Custom Class core.
+ * 
+ * Provides handlers for custom classes.
+ * 
+ * Rest in peace, CustomClassHandler.hx
+ * 
+ * Based on Polymod Hscript class system
+ * @see https://github.com/larsiusprime/polymod/tree/master/polymod/hscript/_internal
+ */
+@:access(hscript.customclass.CustomClassDecl)
+class CustomClass implements IHScriptCustomAccessBehaviour {
+	public var interp:Interp;
+
+	public var superClass:Dynamic;
+	public var superConstructor(default, null):Dynamic;
+
+	public var superIsCustomClass(get, never):Bool;
+	private function get_superIsCustomClass():Bool
+		return (superClass != null && superClass is CustomClass);
+
+	public var className(get, never):String;
+	private function get_className():String {
+		return __class.toString();
+	}
+
+	private var __class:CustomClassDecl;
+	private var __cachedSuperFields:Null<Map<String, Dynamic>> = null;
+
+	private var __cachedFieldDecls:Map<String, FieldDecl> = [];
+	private var __cachedFunctionDecls:Map<String, FunctionDecl> = [];
+	private var __cachedVarDecls:Map<String, VarDecl> = [];
+
+	public var accessContext:AccessContext = COuter;
+	public var __allowSetGet:Bool = false;
+	public var __allowPrivateAccess:Bool = false;
+
+	private var isInline(default, null):Bool = false;
+	private var ogVariables(default, null):Map<String, Dynamic>;
+	private var initializing(default, null):Bool = false; // Allows final variables to be initialized
+
+	public function new(__class:CustomClassDecl, args:Array<Dynamic>, ?extendFieldDecl:Map<String, Dynamic>, ?ogInterp:Interp, ?callNew:Bool = true) {
+		this.__class = __class;
+		this.interp = new Interp(this);
+
+		if (ogInterp != null) {
+			interp.importFailedCallback = ogInterp.importFailedCallback;
+			interp.errorHandler = ogInterp.errorHandler;
+			interp.allowStaticVariables = ogInterp.allowStaticVariables;
+			interp.staticVariables = ogInterp.staticVariables;
+			// todo: make it so you can use variables from the same scope as where the class was defined
+			if(__class.isInline != null && __class.isInline) {
+				isInline = __class.isInline;
+				ogVariables = ogInterp.variables;
+				interp.allowPublicVariables = __class.staticInterp.allowPublicVariables;
+				interp.publicVariables = __class.staticInterp.publicVariables;
+			}
+		}
+
+		buildImports();
+		buildUsings();
+
+		if (extendFieldDecl != null)
+			__cachedSuperFields = extendFieldDecl;
+
+		buildClass();
+
+		if (hasFunction('new') && callNew) {
+			buildSuperConstructor();
+			initializing = true;
+			callFunction('new', args);
+			initializing = false;
+
+			if (this.superClass == null && this.__class.classDecl.extend != null)
+				this.interp.error(ECustom("super() not called"));
+		} else if (__class.classDecl.extend != null) {
+			createSuperClass(args);
+		}
+	}
+
+	function buildClass() {
+		if (__cachedSuperFields == null)
+			__cachedSuperFields = [];
+
+		for (f in __class.classDecl.fields) {
+			if (f.access.contains(AStatic))
+				continue; // Skip static field. It's handled by CustomClassDecl.hx
+			__cachedFieldDecls.set(f.name, f);
+			switch (f.kind) {
+				case KFunction(fn):
+					__cachedFunctionDecls.set(f.name, fn);
+					#if hscriptPos
+					var fexpr:Expr = {
+						e: ExprDef.EFunction(fn.args, fn.body, f.name, fn.ret, false, false),
+						pmin: fn.body.pmin,
+						pmax: fn.body.pmax,
+						line: fn.body.line,
+						origin: fn.body.origin
+					};
+					#else
+					var fexpr = Expr.EFunction(fn.args, fn.body, f.name, fn.ret, false, false);
+					#end
+					var func:Function = this.interp.expr(fexpr);
+					this.interp.variables.set(f.name, func);
+				case KVar(v):
+					if(v.get != ADefault || v.set != ADefault)
+						__allowSetGet = true;
+					__cachedVarDecls.set(f.name, v);
+					if (v.expr != null) {
+						var varValue = this.interp.expr(v.expr);
+						this.interp.variables.set(f.name, varValue);
+					}
+			}
+		}
+
+		if (!__cachedSuperFields.empty()) {
+			for (f => v in __cachedSuperFields) {
+				this.hset(f, v);
+			}
+			__cachedSuperFields.clear();
+		}
+	}
+
+	function buildSuperConstructor() {
+		superConstructor = Reflect.makeVarArgs(function(args:Array<Dynamic>) {
+			createSuperClass(args);
+		});
+	}
+
+	private function createSuperClass(?args:Array<Dynamic>) {
+		if (args == null)
+			args = [];
+
+		if(__class.superClassDecl is CustomClassDecl) 
+			superClass = new CustomClass(__class.superClassDecl, args, __cachedSuperFields, this.interp);
+		else {
+			if (__cachedSuperFields != null) {
+				Reflect.setField(__class.superClassDecl, "__cachedFields", __cachedSuperFields); // Static field
+			}
+
+			var disallowCopy = Type.getInstanceFields(__class.superClassDecl);
+
+			superClass = Type.createInstance(__class.superClassDecl, args);
+			superClass.__customClass = this;
+			superClass.__real_fields = disallowCopy;
+
+			if(isInline) {
+				for(s => v in ogVariables)
+					if(!disallowCopy.contains(s))
+						interp.variables.set(s, v);
+			}
+		}
+	}
+
+	function buildImports() {
+		var i:Int = 0;
+		for (_import in __class.imports) {
+			var importedClass = _import.fullPath;
+			var importAlias = _import.as;
+
+			if (Interp.customClassExist(importedClass) && this.interp.importFailedCallback != null) {
+				this.interp.importFailedCallback(importedClass.split("."), importAlias);
+				continue;
+			}
+
+			#if hscriptPos
+			var e:Expr = {
+				e: ExprDef.EImport(importedClass, importAlias),
+				pmin: 0,
+				pmax: 0,
+				origin: this.className,
+				line: i
+			};
+			#else
+			var e = Expr.EImport(importedClass, importAlias);
+			#end
+			this.interp.expr(e);
+			i++;
+		}
+	}
+
+	inline function buildUsings() {
+		for (us in __class.usings) {
+			@:privateAccess this.interp.useUsing(us);
+		}
+	}
+
+	public function callFunction(name:String, ?args:Array<Dynamic>):Dynamic {
+		var r:Dynamic = null;
+
+		if (hasField(name)) {
+			var fn = getFunction(name);
+			try {
+				if (fn == null)
+					interp.error(ECustom('${name} is not a function'));
+
+				r = UnsafeReflect.callMethodUnsafe(null, fn, args == null ? [] : args);
+			} catch (e:hscript.Expr.Error) {
+				// A script error occurred while executing the custom class function.
+				// Purge the function from the cache so it is not called again.
+				purgeFunction(name);
+			}
+		} 
+		else {
+			var fixedArgs = [];
+			for (a in args) {
+				if ((a is CustomClass)) {
+					var customClass:CustomClass = cast(a, CustomClass);
+					fixedArgs.push(customClass.superClass != null ? customClass.getSuperclass() : customClass);
+				} else {
+					fixedArgs.push(a);
+				}
+			}
+			var superFn:Function = null;
+			if(superClass is CustomClass) {
+				superFn = cast(superClass, CustomClass).hget(name);
+			}
+			else {
+				var fixedName = '_HX_SUPER__${name}';
+				superFn = Reflect.field(superClass, fixedName);
+			}
+			
+			if (superFn == null || !Reflect.isFunction(superFn)) {
+				this.interp.error(ECustom('Error while calling function super.${name}(): EInvalidAccess'
+					+ '\n'
+					+ 'InvalidAccess error: Super function "${name}" does not exist! Define it or call the correct superclass function.'));
+			}
+			r = Reflect.callMethod((superClass is CustomClass) ? null : superClass, superFn, fixedArgs);
+		}
+		return r;
+	}
+
+	// Field check
+
+	private function hasField(name:String):Bool {
+		return __cachedFieldDecls.exists(name);
+	}
+
+	private function getField(name:String):FieldDecl {
+		return __cachedFieldDecls != null ? __cachedFieldDecls.get(name) : null;
+	}
+
+	private function hasVar(name:String):Bool {
+		return __cachedVarDecls.exists(name);
+	}
+
+	private function getVar(name:String):VarDecl {
+		return __cachedVarDecls.get(name);
+	}
+
+	private function hasFunction(name:String):Bool {
+		return __cachedFunctionDecls.exists(name);
+	}
+
+	private function getFunction(name:String):Function {
+		var fn = this.interp.variables.get(name);
+		return Reflect.isFunction(fn) ? fn : null;
+	}
+
+	// SuperClass field check
+
+	private function cacheSuperField(name:String, value:Dynamic) {
+		if (__cachedSuperFields != null) {
+			__cachedSuperFields.set(name, value);
+		}
+	}
+
+	var __superClassFieldList:Array<String> = null;
+	
+	public function superHasField(name:String):Bool {
+		if (superClass == null)
+			return false;
+
+		// Reflect.hasField(this, name) is REALLY expensive so we use a cache.
+		if (__superClassFieldList == null) {
+			__superClassFieldList = [];
+
+			if(superClass is CustomClass) {
+				var cls:Null<Dynamic> = superClass;
+				while(cls != null && cls is CustomClass) {
+					var currentClass = cast(cls, CustomClass);
+					var fields = [for(f in currentClass.__cachedFieldDecls.keys()) f];
+					__superClassFieldList.concat(fields);
+
+					var next = currentClass.superClass;
+					if(next == null)
+						break;
+					cls = next;
+				}
+				
+				// The last fetched class is a real class
+				if(!(cls is CustomClass))
+					__superClassFieldList.concat(Reflect.fields(cls).concat(Type.getInstanceFields(Type.getClass(cls))));
+			}
+			else {
+				var realFields = Reflect.fields(superClass).concat(Type.getInstanceFields(Type.getClass(superClass)));
+				__superClassFieldList.concat(realFields);
+			}
+		}
+
+		return __superClassFieldList.indexOf(name) != -1;
+	}
+
+	/**
+	 * Remove a function from the cache.
+	 * This is useful when a function is broken and needs to be skipped.
+	 * @param name The name of the function to remove from the cache.
+	 */
+	private function purgeFunction(name:String):Void {
+		if (__cachedFunctionDecls != null) {
+			__cachedFunctionDecls.remove(name);
+		}
+	}
+
+	// Access fields
+
+	public function hget(name:String):Dynamic {
+		switch (name) {
+			case "superClass": return this.superClass;
+			case "createSuperClass": return this.createSuperClass;
+			case "hasFunction": return this.hasFunction;
+			case "callFunction": return this.callFunction;
+			default:
+				if (hasFunction(name)) {
+					var fn:Function = Reflect.makeVarArgs(function(args:Array<Dynamic>) {
+						return this.callFunction(name, args);
+					});
+
+					return fn;
+				}
+
+				if (hasVar(name)) {
+					var v = getVar(name);
+					var getter = v.get;
+					var isInner = switch (accessContext) {
+						case CInner(cl): return cl == this.className;
+						default: false;
+					}
+					
+					var value:Dynamic = null;
+
+					if(getter == ANever || getter == ANull && (!isInner || !__allowPrivateAccess))
+						throw 'field $name cannot be accessed for reading';
+
+					if (__allowSetGet && getter == AGet) {
+						if (hasFunction('get_$name'))
+							value = __callGetter(name);
+						else
+							throw 'Method get_$name required by property $name is missing';
+					}
+					else if (this.interp.variables.exists(name)) 
+						value = this.interp.variables.get(name);
+					else {
+						if (v.expr != null) {
+							value = this.interp.expr(v.expr);
+							this.interp.variables.set(name, value);
+						}
+					}
+
+					return value;
+				}
+
+				if (this.superClass != null) {
+					if (superHasField(name)) {
+						// Anonymous structure as a super class??? 
+						if (Type.getClass(this.superClass) == null) {
+							// Anonymous structure
+							if (Reflect.hasField(this.superClass, name))
+								return Reflect.field(this.superClass, name);
+							else
+								throw "field '" + name + "' does not exist in custom class '" + this.className + "' or super class '[ANONYMOUS STRUCTURE]'";
+						}
+
+						if (this.superClass is CustomClass) {
+							var superCustomClass:CustomClass = cast(this.superClass, CustomClass);
+
+							superCustomClass.__allowSetGet = this.__allowSetGet;
+							superCustomClass.__allowPrivateAccess = this.__allowPrivateAccess;
+							superCustomClass.accessContext = switch (accessContext) {
+								case CInner(_): CInner(superCustomClass.className);
+								default: COuter;
+							}
+							return superCustomClass.hget(name);
+						}
+
+						// Real Class
+						if (__allowSetGet)
+							Reflect.getProperty(this.superClass, name);
+						else 
+							Reflect.field(this.superClass, name);
+					}
+					else
+						throw "field '" + name + "' does not exist in custom class '" + this.className + "' or super class '" + Type.getClassName(Type.getClass(this.superClass)) + "'";
+				} 
+				else 
+					throw "field '" + name + "' does not exist in custom class '" + this.className + "'";
+		}
+		return null;
+	}
+
+	public function hset(name:String, val:Dynamic):Dynamic {
+		switch (name) {
+			default:
+				if (hasVar(name)) {
+					var v = getVar(name);
+					var setter = v.set;
+					var isInner = switch (accessContext) {
+						case CInner(cl): return cl == this.className;
+						default: false;
+					}
+
+					if (setter == ANever || setter == ANull && (!isInner || !__allowPrivateAccess) || (v.isFinal && !initializing))
+						throw 'field $name cannot be accessed for writing';
+
+					if (__allowSetGet && setter == ASet) {
+						if (hasFunction('set_$name'))
+							return __callSetter(name, val);
+						else
+							throw 'Method set_$name required by property $name is missing';
+					}
+
+					this.interp.variables.set(name, val);
+				} 
+				else if (this.superClass != null) {
+					if (superHasField(name)) {
+						if (Type.getClass(this.superClass) == null) {
+							// Anonymous structure
+							if (Reflect.hasField(this.superClass, name)) {
+								Reflect.setField(this.superClass, name, val);
+								return val;
+							}
+							else 
+								throw "field '" + name + "' does not exist in custom class '" + this.className + "' or super class '[ANONYMOUS STRUCTURE]'";
+						} 
+
+						if (this.superClass is CustomClass) {
+							var superCustomClass:CustomClass = cast(this.superClass, CustomClass);
+
+							superCustomClass.__allowSetGet = this.__allowSetGet;
+							superCustomClass.__allowPrivateAccess = this.__allowPrivateAccess;
+							superCustomClass.accessContext = switch (accessContext) {
+								case CInner(_): CInner(superCustomClass.className);
+								default: COuter;
+							}
+							return superCustomClass.hset(name, val);
+						}
+						// Real Class
+
+						if (__allowSetGet)
+							Reflect.setProperty(this.superClass, name, val);
+						else
+							Reflect.setField(this.superClass, name, val);
+					}
+					else 
+						throw "field '" + name + "' does not exist in custom class '" + this.className + "' or super class '" + Type.getClassName(Type.getClass(this.superClass)) + "'";
+				} 
+				else 
+					throw "field '" + name + "' does not exist in custom class '" + this.className + "'";
+		}
+		return val;
+	}
+
+	public function __callGetter(name:String):Dynamic {
+		__allowSetGet = false;
+		var r = callFunction('get_$name');
+		__allowSetGet = true;
+		return r;
+	}
+
+	public function __callSetter(name:String, val:Dynamic):Dynamic {
+		__allowSetGet = false;
+		var r = callFunction('set_$name', [val]);
+		__allowSetGet = true;
+		return r;
+	}
+
+	/**
+	 * Returns the real superClass if the Custom Class
+	 * extends another Custom Class, and so on until
+	 * it reaches a real class, otherwise it will
+	 * return the last fetched Custom Class
+	 * @return Null<Dynamic>
+	 */
+	public function getSuperclass():Null<Dynamic> {
+		var cls:Null<Dynamic> = this.superClass;
+
+		// Check if the superClass is another custom class,
+		// so it will find for a real class, otherwise
+		// returns the last super CustomClass parent.
+		while(cls != null && cls is CustomClass) {
+			var next = cast(cls, CustomClass).superClass;
+			if(next == null)
+				break; // Return the Custom Class itself
+			cls = next;
+		}
+
+		return cls;
+	}
+}

hscript/customclass/CustomClassDecl.hx

@@ -0,0 +1,290 @@
+package hscript.customclass;
+
+import hscript.Expr.AccessContext;
+import hscript.proxy.ProxyType;
+import hscript.customclass.utils.FunctionUtils;
+import haxe.Constraints.Function;
+import hscript.Expr.FieldDecl;
+import hscript.Expr.VarDecl;
+import hscript.Expr.FunctionDecl;
+
+/**
+ * The ACTUAL "StaticHandler"
+ * @author Jamextreme140
+ */
+@:access(hscript.Interp)
+@:structInit
+class CustomClassDecl implements IHScriptCustomAccessBehaviour {
+	public var classDecl:Expr.ClassDecl; //This holds the class instantiation info
+	public var imports:Map<String, CustomClassImport>;
+	public var usings:Array<String>;
+	public var pkg:Null<Array<String>> = null;
+	public var ogInterp:Null<Interp> = null;
+	public var isInline:Null<Bool> = null;
+
+	public var staticInterp:Interp = new Interp();
+
+	public var superClassDecl(default, null):Dynamic = null; //This holds the super class reference. 
+
+	var _cachedStaticFields:Map<String, FieldDecl> = [];
+	var _cachedStaticFunctions:Map<String, FunctionDecl> = [];
+	var _cachedStaticVariables:Map<String, VarDecl> = [];
+
+	public var __allowSetGet:Bool = true;
+
+	public var __allowPrivateAccess:Bool = false;
+
+	public var accessContext:AccessContext = COuter;
+
+	public final name:String;
+
+	public function new(classDecl:Expr.ClassDecl, imports:Map<String, CustomClassImport>, usings:Array<String>, ?pkg:Array<String>, ?ogInterp:Interp, ?isInline:Bool) {
+		this.classDecl = classDecl;
+		this.imports = imports;
+		this.usings = usings;
+		this.pkg = pkg;
+		this.ogInterp = ogInterp;
+		this.isInline = isInline;
+
+		// Cache the classname
+		var pkg = pkg != null ? '${pkg.join(".")}.' : "";
+		var className = classDecl.name;
+		this.name = '$pkg$className';
+
+		if(ogInterp != null) {
+			staticInterp.importFailedCallback = ogInterp.importFailedCallback;
+			staticInterp.errorHandler = ogInterp.errorHandler;
+			staticInterp.allowStaticVariables = ogInterp.allowStaticVariables;
+			staticInterp.staticVariables = ogInterp.staticVariables;
+
+			if(isInline != null && isInline) {
+				// uses public variables from the same scope as where the class was defined
+				staticInterp.variables = ogInterp.variables;
+				staticInterp.allowPublicVariables = ogInterp.allowPublicVariables;
+				staticInterp.publicVariables = ogInterp.publicVariables;
+			}
+		}
+
+		cacheImports();
+		processUsings();
+		cacheFields();
+		if(classDecl.extend != null)
+			buildSuperClass();
+	}
+
+	function cacheImports() {
+		// This will make imported classes available for Static Functions
+		var i:Int = 0;
+		for(s => imp in imports) {
+			var importedClass = imp.fullPath;
+			var importAlias = imp.as;
+
+			if(this.staticInterp.variables.exists(imp.name)) continue; // class is already imported
+
+			if (Interp.customClassExist(importedClass) && this.staticInterp.importFailedCallback != null) {
+				this.staticInterp.importFailedCallback(importedClass.split("."), importAlias);
+				continue;
+			}
+
+			#if hscriptPos
+			var e:Expr = {
+				e: ExprDef.EImport(importedClass, importAlias),
+				pmin: 0,
+				pmax: 0,
+				origin: this.classDecl.name,
+				line: i
+			};
+			i++;
+			#else
+			var e = Expr.EImport(importedClass, importAlias);
+			#end
+			this.staticInterp.expr(e);
+		}
+	}
+
+	function cacheFields() {
+		for (f in classDecl.fields) {
+			if (f.access.contains(AStatic)) {
+				_cachedStaticFields.set(f.name, f);
+				switch (f.kind) {
+					case KFunction(fn):
+						_cachedStaticFunctions.set(f.name, fn);
+						#if hscriptPos
+						var fexpr:Expr = {
+							e: ExprDef.EFunction(fn.args, fn.body, f.name, fn.ret, false, false),
+							pmin: fn.body.pmin,
+							pmax: fn.body.pmax,
+							line: fn.body.line,
+							origin: fn.body.origin
+						};
+						#else
+						var fexpr = Expr.EFunction(fn.args, fn.body, f.name, fn.ret, false, false);
+						#end
+						var func:Function = this.staticInterp.expr(fexpr);
+						this.staticInterp.variables.set(f.name, func);
+					case KVar(v):
+						if(v.get != ADefault || v.set != ADefault)
+							__allowSetGet = true;
+						_cachedStaticVariables.set(f.name, v);
+						if (v.expr != null) {
+							var varValue = this.staticInterp.expr(v.expr);
+							this.staticInterp.variables.set(f.name, varValue);
+						}
+				}
+			}
+		}
+	}
+
+	function processUsings() {
+		for(us in usings) {
+			this.staticInterp.useUsing(us);
+		}
+	}
+
+	function buildSuperClass() {
+		var extendString = new Printer().typeToString(classDecl.extend);
+		if (this.pkg != null && extendString.indexOf(".") == -1) {
+			extendString = this.pkg.join(".") + "." + extendString;
+		}
+
+		var cls:Dynamic = Type.resolveClass('${extendString}_HSX');
+		if(cls == null)
+			cls = ProxyType.resolveClass(extendString);
+
+		superClassDecl = cls;
+		
+		if(superClassDecl == null)
+			staticInterp.error(ECustom("could not resolve super class: " + extendString));
+	}
+
+	public function callFunction(name:String, ?args:Array<Dynamic>):Dynamic {
+		var func:Function = getFunction(name);
+
+		return FunctionUtils.callStaticFunction(name, this, staticInterp, func, args != null ? args : []);
+	}
+
+	public function hasField(name:String):Bool {
+		return _cachedStaticFields.exists(name);
+	}
+
+	private function hasFunction(name:String) {
+		return _cachedStaticFunctions.exists(name);
+	}
+
+	private function getFunction(name:String):Function {
+		var fn = this.staticInterp.variables.get(name);
+		return Reflect.isFunction(fn) ? fn : null;
+	}
+
+	private function hasVar(name:String):Bool {
+		return _cachedStaticVariables.exists(name);
+	}
+
+	private function getVar(name:String):VarDecl {
+		return _cachedStaticVariables.get(name);
+	}
+
+	/**
+	 * Remove a function from the cache.
+	 * This is useful when a function is broken and needs to be skipped.
+	 * @param name The name of the function to remove from the cache.
+	 */
+	private function purgeFunction(name:String):Void {
+		if (_cachedStaticFunctions != null) {
+			_cachedStaticFunctions.remove(name);
+		}
+	}
+
+	public function hget(name:String):Dynamic {
+		if(hasVar(name)) {
+			var v = getVar(name);
+			var getter = v.get;
+			var isInner = switch (accessContext) {
+				case CInner(cl): return cl == this.toString();
+				default: false;
+			}
+
+			var r:Dynamic = null;
+
+			if (getter == ANever || getter == ANull && (!isInner || !__allowPrivateAccess))
+				throw 'field $name cannot be accessed for reading';
+
+			if(__allowSetGet && getter == AGet){
+				if(hasFunction('get_$name'))
+					r = __callGetter(name);
+				else 
+					throw 'Method get_$name required by property $name is missing';
+			}
+			else if (this.staticInterp.variables.exists(name))
+				r = this.staticInterp.variables.get(name);
+			else {
+				if(v.expr != null) {
+					r = this.staticInterp.expr(v.expr);
+					this.staticInterp.variables.set(name, r);
+				}
+			}
+			return r;
+		}
+		if(hasFunction(name)) {
+			// TODO: optimize this
+			var fn:Function = Reflect.makeVarArgs(function(args:Array<Dynamic>) {
+				return this.callFunction(name, args);
+			});
+			return fn;
+		}
+
+		throw "static field '" + name + "' does not exist in custom class '" + this.classDecl.name + "'";
+	}
+
+	public function hset(name:String, val:Dynamic):Dynamic {
+		if (hasVar(name)) {
+			var v = getVar(name);
+			var setter = v.set;
+			var isInner = switch (accessContext) {
+				case CInner(cl): return cl == this.toString();
+				default: false;
+			}
+
+			if (setter == ANever || setter == ANull && (!isInner || !__allowPrivateAccess) || v.isFinal)
+				throw 'field $name cannot be accessed for writing';
+
+			if (__allowSetGet && setter == ASet) {
+				if (hasFunction('set_$name'))
+					return __callSetter(name, val);
+				else 
+					throw 'Method set_$name required by property $name is missing';
+			}
+			else {
+				this.staticInterp.variables.set(name, val);
+				return val;
+			}
+		}
+
+		throw "static field '" + name + "' does not exist in custom class '" + this.classDecl.name + "'";
+	}
+
+	public function __callGetter(name:String):Dynamic {
+		__allowSetGet = false;
+		var r = callFunction('get_${name}');
+		__allowSetGet = true;
+		return r;
+	}
+
+	public function __callSetter(name:String, val:Dynamic):Dynamic {
+		__allowSetGet = false;
+		var r = callFunction('set_${name}', [val]);
+		__allowSetGet = true;
+		return r;
+	}
+	
+	public function toString():String {
+		return name;
+	}
+}
+
+typedef CustomClassImport = {
+	var ?name:String;
+	var ?pkg:Array<String>;
+	var ?fullPath:String; // pkg.pkg.pkg.name
+	var ?as:Null<String>; // import pkg.Name as OtherName
+}

hscript/customclass/utils/FunctionUtils.hx

@@ -0,0 +1,25 @@
+package hscript.customclass.utils;
+
+import hscript.utils.UnsafeReflect;
+import haxe.Constraints.Function;
+
+@:access(hscript.customclass.CustomClassDecl)
+class FunctionUtils {
+	public static inline function callStaticFunction(name:String, classDecl:CustomClassDecl, interp:Interp, fn:Function, args:Array<Dynamic> = null) {
+		var r:Dynamic = null;
+
+		try {
+			if (fn == null)
+				interp.error(ECustom('${name} is not a function'));
+
+			r = UnsafeReflect.callMethodUnsafe(null, fn, args);
+		} catch (e:hscript.Expr.Error) {
+			// A script error occurred while executing the custom class function.
+			// Purge the function from the cache so it is not called again.
+			classDecl.purgeFunction(name);
+			interp.error(#if hscriptPos e.e #else e #end);
+		}
+
+		return r;
+	}
+}

hscript/macros/AbstractHandler.hx

@@ -10,12 +10,12 @@ import haxe.macro.Compiler;
 
 using StringTools;
 
-class UsingHandler {
+class AbstractHandler {
 	public static function init() {
 		#if !display
 		if(Context.defined("display")) return;
 		for(apply in Config.ALLOWED_ABSTRACT_AND_ENUM) {
-			Compiler.addGlobalMetadata(apply, '@:build(hscript.macros.UsingHandler.build())');
+			Compiler.addGlobalMetadata(apply, '@:build(hscript.macros.AbstractHandler.build())');
 		}
 		#end
 	}

hscript/macros/ClassExtendMacro.hx

@@ -211,6 +211,15 @@ class ClassExtendMacro {
 					continue;
 				if (f.name == "new") {
 					hasNew = true;
+					switch (f.kind) {
+						case FFun(fn):
+							var constructor:Field = buildConstructor(fn.args);
+							
+							shadowClass.fields.push(constructor);
+							definedFields.push(f.name);
+						default:
+							continue;
+					}
 					continue;
 				}
 				if (f.name.startsWith(FUNC_PREFIX))
@@ -245,7 +254,7 @@ class ClassExtendMacro {
 						if (returns) {
 							overrideExpr = macro {
 								var name:String = $v{name};
-
+								/*
 								if (__custom__variables != null) {
 									if(__custom__variables.exists(name)) {
 										var v:Dynamic = null;
@@ -254,12 +263,17 @@ class ClassExtendMacro {
 										}
 									}
 								}
+								*/
+								if (__customClass != null && @:privateAccess __customClass.hasFunction(name)) {
+									return __customClass.callFunction(name, [$a{arguments}]);
+								}
+
 								return super.$name($a{arguments});
 							};
 						} else {
 							overrideExpr = macro {
 								var name:String = $v{name};
-
+								/*
 								if (__custom__variables != null) {
 									if(__custom__variables.exists(name)) {
 										var v:Dynamic = null;
@@ -269,6 +283,12 @@ class ClassExtendMacro {
 										}
 									}
 								}
+								*/
+								if (__customClass != null && @:privateAccess __customClass.hasFunction(name)) {
+									__customClass.callFunction(name, [$a{arguments}]);
+									return;
+								}
+
 								super.$name($a{arguments});
 							};
 						}
@@ -331,7 +351,7 @@ class ClassExtendMacro {
 				pack: cl.pack.copy(),
 				name: cl.name
 			}, [
-				{name: "IHScriptCustomAccessBehaviour", pack: ["hscript"]},
+				{name: "IHScriptCustomBehaviour", pack: ["hscript"]},
 				{name: "IHScriptCustomClassBehaviour", pack: ["hscript"]}
 			], false, true, false);
 			shadowClass.name = '${cl.name}$CLASS_SUFFIX';
@@ -339,15 +359,29 @@ class ClassExtendMacro {
 			Utils.setupMetas(shadowClass, imports);
 			Utils.processImport(imports, "hscript.utils.UnsafeReflect", "UnsafeReflect");
 
-			// Adding hscript getters and setters
+			shadowClass.fields.push({
+				name: "__cachedFields",
+				pos: Context.currentPos(),
+				kind: FVar(macro: Map<String, Dynamic>),
+				access: [APublic, AStatic]
+			});
 
+			// Adding hscript getters and setters
+			/*
 			shadowClass.fields.push({
 				name: "__interp",
 				pos: Context.currentPos(),
 				kind: FVar(macro: hscript.Interp),
 				access: [APublic]
 			});
-
+			*/
+			shadowClass.fields.push({
+				name: "__customClass",
+				pos: Context.currentPos(),
+				kind: FVar(macro: hscript.customclass.CustomClass),
+				access: [APublic]
+			});
+			/*
 			shadowClass.fields.push({
 				name: "__custom__variables",
 				pos: Context.currentPos(),
@@ -361,21 +395,23 @@ class ClassExtendMacro {
 				kind: FVar(macro: Bool, macro true),
 				access: [APublic]
 			});
-
+			*/
 			shadowClass.fields.push({
 				name: "__real_fields",
 				pos: Context.currentPos(),
 				kind: FVar(macro: Array<String>),
 				access: [APublic]
 			});
-
+			/*
 			shadowClass.fields.push({
 				name: "__class__fields",
 				pos: Context.currentPos(),
 				kind: FVar(macro: Array<String>),
 				access: [APublic]
 			});
-
+			*/
+			// Unneccessary since the get/set call is already handled.
+			/*
 			shadowClass.fields.push({
 				name: "__callGetter",
 				pos: Context.currentPos(),
@@ -429,7 +465,7 @@ class ClassExtendMacro {
 				}),
 				access: [APublic]
 			});
-
+			*/
 			// Todo: make it possible to override
 			if(cl.name == "FunkinShader" || cl.name == "CustomShader" || cl.name == "MultiThreadedScript") {
 				Context.defineModule(cl.module, [shadowClass], imports);
@@ -472,31 +508,43 @@ class ClassExtendMacro {
 
 			var hgetField = if(hasHgetInSuper) {
 				macro {
-					if(__allowSetGet && __custom__variables.exists("get_" + name))
+					/*
-						return __callGetter(name);
+					if(__custom__variables != null) {
-					if (__custom__variables.exists(name))
+						if(__allowSetGet && __custom__variables.exists("get_" + name))
-						return __custom__variables.get(name);
+							return __callGetter(name);
+						if (__custom__variables.exists(name))
+							return __custom__variables.get(name);
+					}
+					*/
 					return super.hget(name);
 				}
 			} else {
 				macro {
-					if(__allowSetGet && __custom__variables.exists("get_" + name))
+					/*
-						return __callGetter(name);
+					if(__custom__variables != null) {
-					if (__custom__variables.exists(name))
+						if(__allowSetGet && __custom__variables.exists("get_" + name))
-						return __custom__variables.get(name);
+							return __callGetter(name);
+						if (__custom__variables.exists(name))
+							return __custom__variables.get(name);
+					}
+					*/
 					return UnsafeReflect.getProperty(this, name);
 				}
 			}
 
 			var hsetField = if(hasHsetInSuper) {
 				macro {
-					if(__allowSetGet && __custom__variables.exists("set_" + name))
+					/*
-						return __callSetter(name, val);
+					if(__custom__variables != null) {
-					if (__custom__variables.exists(name)) {
+						if(__allowSetGet && __custom__variables.exists("set_" + name))
-						__custom__variables.set(name, val);
+							return __callSetter(name, val);
-						return val;
+						if (__custom__variables.exists(name)) {
+							__custom__variables.set(name, val);
+							return val;
+						}
 					}
-					if(__real_fields.contains(name)) {
+					*/
+					if(__real_fields != null && __real_fields.contains(name)) {
 						UnsafeReflect.setProperty(this, name, val);
 						return UnsafeReflect.field(this, name);
 					}
@@ -504,17 +552,21 @@ class ClassExtendMacro {
 				}
 			} else {
 				macro {
-					if(__allowSetGet && __custom__variables.exists("set_" + name))
+					/*
-						return __callSetter(name, val);
+					if(__custom__variables != null) {
-					if (__custom__variables.exists(name)) {
+						if(__allowSetGet && __custom__variables.exists("set_" + name))
-						__custom__variables.set(name, val);
+							return __callSetter(name, val);
-						return val;
+						if (__custom__variables.exists(name)) {
+							__custom__variables.set(name, val);
+							return val;
+						}
 					}
-					if(__real_fields.contains(name)) {
+					*/
+					if(__real_fields != null && __real_fields.contains(name)) {
 						UnsafeReflect.setProperty(this, name, val);
 						return UnsafeReflect.field(this, name);
 					}
-					__custom__variables.set(name, val);
+					//if(__custom__variables != null) __custom__variables.set(name, val);
 					return val;
 				}
 			}
@@ -566,7 +618,7 @@ class ClassExtendMacro {
 					]
 				})
 			});
-
+			
 			/*var p = new Printer();
 			var aa = p.printTypeDefinition(shadowClass);
 			if(aa.length < 5024)
@@ -579,6 +631,32 @@ class ClassExtendMacro {
 
 		return fields;
 	}
+
+	static function buildConstructor(constArgs:Array<FunctionArg>):Field {
+		var superCallArgs:Array<Expr> = [for (arg in constArgs) macro $i{arg.name}];
+
+		return {
+			name: 'new',
+			access: [APublic],
+			pos: Context.currentPos(),
+			kind: FFun({
+				args: constArgs,
+				expr: macro
+				{
+					// Call the super constructor with appropriate args
+					super($a{superCallArgs});
+
+					if(__cachedFields != null) {
+						for(k => v in __cachedFields) {
+							Reflect.setProperty(this, k, v);
+							trace(k);
+						}
+						__cachedFields = null;
+					}
+				},
+			}),
+		};
+	}
 }
 #else
 class ClassExtendMacro {

hscript/macros/UsingMacro.hx

@@ -0,0 +1,173 @@
+package hscript.macros;
+
+#if macro
+import Type.ValueType;
+import haxe.macro.Compiler;
+import haxe.macro.Context;
+import haxe.macro.Expr;
+
+using Lambda;
+using StringTools;
+using haxe.macro.Tools;
+
+/**
+ * Macro used for the `using Class;` keyword
+ * 
+ * you can make classes be able to be used specifing the classes/packages on Config.hx!
+ * or implementing the interface `hscript.utils.UsingClass`
+ * ```haxe
+ * public static final ALLOWED_USING = ["my.pack.VeryNiceTools"];
+ * ```
+ * 
+ * Usage:
+ * 
+ * ```haxe
+ * package my.pack;
+ * // @:usableEntry() // optional
+ * // @:usableEntry(forceAny) // optional // forces the class to be called with any type
+ * // @:usableEntry(onlyBasic) // optional // only basic types will be allowed
+ * // @:usableEntry(onlyBasic, forceAny) // optional // only basic types will be allowed, and the class will be called with any type
+ * class VeryNiceTools implements hscript.utils.UsingClass {}
+ * ```
+ * 
+ * @author NeeEoo
+ * @see https://github.com/pisayesiwsi/hscript-iris/blob/master/crowplexus/iris/macro/UsingMacro.macro.hx
+**/
+class UsingMacro {
+	public static inline final USING_PREFIX = "_HX_USING__";
+
+	public static var unallowedMetas:Array<String> = [":noUsing", ":noUse"];
+
+	public static function init() {
+		#if !display
+		if(Context.defined("display")) return;
+		for(apply in Config.ALLOWED_USING) {
+			Compiler.addGlobalMetadata(apply, "@:build(hscript.macros.UsingMacro.build())");
+		}
+		#end
+	}
+
+	public static function build() {
+		var cls: haxe.macro.Type.ClassType = Context.getLocalClass().get();
+		var fields = Context.getBuildFields();
+
+		var key = cls.module;
+		var fkey = cls.module + "." + cls.name;
+		var packName = (cls.pack.length > 0 ? cls.pack.join(".") + "." : "") + cls.name;
+
+		if(cls.meta.get().find(function(m) return m.name == ':usingProcessed') != null) return fields;
+		if (Config.DISALLOW_USING.contains(key) || Config.DISALLOW_USING.contains(fkey) || Config.DISALLOW_USING.contains(packName))
+			return fields;
+
+		var entryField = cls.meta.get().find(function(m) return m.name == ':usableEntry');
+		var hasParams = entryField != null && entryField.params != null;
+		var forceAny = false;
+		var onlyBasic = false;
+		if (hasParams) {
+			for (i in 0...entryField.params.length) {
+				if (entryField.params[i].expr.match(EConst(CIdent("onlyBasic"))))
+					onlyBasic = true;
+				if (entryField.params[i].expr.match(EConst(CIdent("forceAny"))))
+					forceAny = true;
+			}
+		}
+
+		var data: Array<Array<String>> = [];
+
+		for (field in fields) {
+			// functions marked with @:noUsing won't be able to be used by variables
+			// also if you want it to be usable in source, but not in the script, use @:noUse
+			for(m in field.meta) 
+				if(unallowedMetas.contains(m.name))
+					continue;
+
+			// It's called "static extensions" for some reason
+			if(!field.access.contains(AStatic))
+				continue;
+
+			switch (field.kind) {
+				default:
+				case FFun(f):
+					if (f.args.length == 0)
+						continue;
+					var arg = f.args[0];
+					if (arg.type == null)
+						continue;
+					var type = arg.type;
+
+					var valueType: String = switch (type) {
+						case TPath({name: "Int", pack: []}):
+							"TInt";
+						case TPath({name: "Float", pack: []}):
+							"TFloat";
+						case TPath({name: "Single", pack: []}):
+							"TFloat";
+						case TPath({name: "String", pack: []}):
+							"TClass(String)";
+						case TPath({name: "Bool", pack: []}):
+							"TBool";
+						case TPath({name: "Array", pack: []}):
+							"TClass(Array)";
+						case TPath({name: "Map", pack: []}):
+							"TClass(haxe.Constraints.IMap)";
+						case TPath({name: "Dynamic", pack: []}):
+							null;
+						case TPath({name: "Class", pack: []}):
+							"TClass(null)"; // this feels wrong
+						case TPath({name: "Enum", pack: []}):
+							"TEnum(null)";
+						// case TPath({name: "Void", pack: []}): "ValueType.TVoid";
+						default:
+							null; // null acts as a wildcard
+					}
+
+					// MIGHT CRASH COMPILATION? YEAH, IT CRASH ON TYPE PARAMETERS
+					if (!onlyBasic && valueType == null) {
+						var rtype:haxe.macro.Type = null;
+
+						try {rtype = type.toType();} catch(e) {}
+
+						if(rtype != null) {
+							switch (rtype) {
+								case TInst(t, []):
+									valueType = "TClass(" + t.toString() + ")";
+								default:
+							}
+						}
+					}
+
+					if (forceAny) {
+						valueType = null;
+					}
+
+					data.push([field.name, valueType]);
+			}
+		}
+
+		if(data.length == 0)
+			return fields;
+
+		fields.push({
+			name: '$USING_PREFIX${packName.replace(".", "_")}',
+			access: [APrivate, AStatic],
+			kind: FVar(macro : Map<String, Type.ValueType>, {
+				var arr: Array<Expr> = [];
+				for (i in data)
+					if (i[1] != null)
+						arr.push(macro $v{i[0]} => ${Context.parse("Type.ValueType." + i[1], Context.currentPos())});
+					else
+						arr.push(macro $v{i[0]} => null);
+				macro $a{arr};
+			}),
+			pos: cls.pos,
+		});
+
+		//var printer = new haxe.macro.Printer();
+		//trace(printer.printField(fields[fields.length - 1]));
+
+		cls.meta.add(':usingProcessed', [], cls.pos);
+
+		return fields;
+	}
+}
+#end

hscript/proxy/ProxyType.hx

@@ -0,0 +1,364 @@
+package hscript.proxy;
+
+import hscript.customclass.CustomClass;
+import hscript.customclass.CustomClassDecl;
+import hscript.Tools.HScriptEnum;
+import hscript.Tools.EnumValue as HScriptEnumValue;
+
+abstract OneOfTwo<T1, T2>(Dynamic) from T1 from T2 to T1 to T2 {}
+
+@:allow(hscript.customclass.CustomClass)
+@:allow(hscript.customclass.CustomClassDecl)
+class ProxyType {
+	/**
+		Returns the class of `o`, if `o` is a class instance.
+
+		If `o` is null or of a different type, null is returned.
+
+		In general, type parameter information cannot be obtained at runtime.
+	**/
+	inline static function getClass<T>(o:OneOfTwo<T, CustomClass>):Null<Dynamic> {
+		if(o is CustomClass) 
+			@:privateAccess return cast(o, CustomClass).__class;
+		return Type.getClass(cast o);
+	}
+
+	/**
+		Returns the enum of enum instance `o`.
+
+		An enum instance is the result of using an enum constructor. Given an
+		`enum Color { Red; }`, `getEnum(Red)` returns `Enum<Color>`.
+
+		If `o` is null, null is returned.
+
+		In general, type parameter information cannot be obtained at runtime.
+	**/
+	inline static function getEnum(o:OneOfTwo<EnumValue, HScriptEnumValue>):Dynamic {
+		// TODO: SUPPORT HSCRIPT ENUMS
+        var isScripted:Bool = Std.isOfType(o, HScriptEnumValue);
+        if(isScripted) {
+            return cast(o, HScriptEnumValue).enumParent;
+        }
+		return Type.getEnum(cast o);
+	}
+
+	/**
+		Returns the super-class of class `c`.
+
+		If `c` has no super class, null is returned.
+
+		If `c` is null, the result is unspecified.
+
+		In general, type parameter information cannot be obtained at runtime.
+	**/
+	inline static function getSuperClass(c:OneOfTwo<Class<Dynamic>, CustomClassDecl>):Dynamic {
+		if(c is CustomClassDecl) {
+			return cast(c, CustomClassDecl).superClassDecl;
+		}
+		return Type.getSuperClass(cast c);
+	}
+
+	/**
+		Returns the name of class `c`, including its path.
+
+		If `c` is inside a package, the package structure is returned dot-
+		separated, with another dot separating the class name:
+		`pack1.pack2.(...).packN.ClassName`
+		If `c` is a sub-type of a Haxe module, that module is not part of the
+		package structure.
+
+		If `c` has no package, the class name is returned.
+
+		If `c` is null, the result is unspecified.
+
+		The class name does not include any type parameters.
+	**/
+	inline static function getClassName(c:OneOfTwo<Class<Dynamic>, CustomClassDecl>):String {
+		if(c is CustomClassDecl) {
+			var cls:CustomClassDecl = cast c;
+			var name = cls.classDecl.name;
+			var pkg = cls.pkg != null ? '${cls.pkg.join(".")}.' : "";
+			return '$pkg$name';
+		}
+		return Type.getClassName(cast c);
+	}
+
+	/**
+		Returns the name of enum `e`, including its path.
+
+		If `e` is inside a package, the package structure is returned dot-
+		separated, with another dot separating the enum name:
+		`pack1.pack2.(...).packN.EnumName`
+		If `e` is a sub-type of a Haxe module, that module is not part of the
+		package structure.
+
+		If `e` has no package, the enum name is returned.
+
+		If `e` is null, the result is unspecified.
+
+		The enum name does not include any type parameters.
+	**/
+	inline static function getEnumName(e:Enum<Dynamic>):String {
+		var isScripted:Bool = Std.isOfType(e, HScriptEnumValue);
+		if (isScripted)
+			return cast(e, HScriptEnumValue).getEnumName();
+		return Type.getEnumName(e);
+	}
+
+	/**
+		Resolves a class by name.
+
+		If `name` is the path of an existing class, that class is returned.
+
+		Otherwise null is returned.
+
+		If `name` is null or the path to a different type, the result is
+		unspecified.
+
+		The class name must not include any type parameters.
+	**/
+	inline static function resolveClass(name:String):Dynamic {
+		if(Interp.customClassExist(name)) {
+			return Interp.getCustomClass(name);
+		}
+		return Type.resolveClass(name);
+	}
+
+	/**
+		Resolves an enum by name.
+
+		If `name` is the path of an existing enum, that enum is returned.
+
+		Otherwise null is returned.
+
+		If `name` is null the result is unspecified.
+
+		If `name` is the path to a different type, null is returned.
+
+		The enum name must not include any type parameters.
+	**/
+	inline static function resolveEnum(name:String):Enum<Dynamic> {
+		return Type.resolveEnum(name);
+	}
+
+	/**
+		Creates an instance of class `cl`, using `args` as arguments to the
+		class constructor.
+
+		This function guarantees that the class constructor is called.
+
+		Default values of constructors arguments are not guaranteed to be
+		taken into account.
+
+		If `cl` or `args` are null, or if the number of elements in `args` does
+		not match the expected number of constructor arguments, or if any
+		argument has an invalid type,  or if `cl` has no own constructor, the
+		result is unspecified.
+
+		In particular, default values of constructor arguments are not
+		guaranteed to be taken into account.
+	**/
+	inline static function createInstance<T>(cl:OneOfTwo<Class<T>, CustomClassDecl>, args:Array<Dynamic>):T {
+		// TODO: somehow pass the ogInterp argument without breaking the original functionality
+		if(cl is CustomClassDecl) {
+			return cast new CustomClass(cast cl, args);
+		}
+		return Type.createInstance(cast cl, args);
+	}
+
+	/**
+		Creates an instance of class `cl`.
+
+		This function guarantees that the class constructor is not called.
+
+		If `cl` is null, the result is unspecified.
+	**/
+	inline static function createEmptyInstance<T>(cl:OneOfTwo<Class<T>, CustomClassDecl>):T {
+		// TODO: same as above
+		if(cl is CustomClassDecl) 
+			return cast new CustomClass(cast cl, [], null, null, false);
+		return Type.createEmptyInstance(cast cl);
+	}
+
+	/**
+		Creates an instance of enum `e` by calling its constructor `constr` with
+		arguments `params`.
+
+		If `e` or `constr` is null, or if enum `e` has no constructor named
+		`constr`, or if the number of elements in `params` does not match the
+		expected number of constructor arguments, or if any argument has an
+		invalid type, the result is unspecified.
+	**/
+	inline static function createEnum<T>(e:OneOfTwo<Enum<T>, HScriptEnum>, constr:String, ?params:Array<Dynamic>):T {
+		// TODO: SUPPORT HSCRIPT ENUMS
+        var isScripted:Bool = Std.isOfType(e, HScriptEnum);
+        if(isScripted) {
+            var scriptEnum:HScriptEnum = cast e;
+            var enumToCreate = scriptEnum.getEnumValue(constr);
+            if(Reflect.isFunction(enumToCreate)) {
+                return Reflect.callMethod(null, enumToCreate, params);
+            }
+            return enumToCreate;
+        }
+		return Type.createEnum(cast e, constr, params);
+	}
+
+	/**
+		Creates an instance of enum `e` by calling its constructor number
+		`index` with arguments `params`.
+
+		The constructor indices are preserved from Haxe syntax, so the first
+		declared is index 0, the next index 1 etc.
+
+		If `e` or `constr` is null, or if enum `e` has no constructor named
+		`constr`, or if the number of elements in `params` does not match the
+		expected number of constructor arguments, or if any argument has an
+		invalid type, the result is unspecified.
+	**/
+	inline static function createEnumIndex<T>(e:Enum<T>, index:Int, ?params:Array<Dynamic>):T {
+		// TODO: SUPPORT HSCRIPT ENUMS
+		return Type.createEnumIndex(e, index, params);
+	}
+
+	/**
+		Returns a list of the instance fields of class `c`, including
+		inherited fields.
+
+		This only includes fields which are known at compile-time. In
+		particular, using `getInstanceFields(getClass(obj))` will not include
+		any fields which were added to `obj` at runtime.
+
+		The order of the fields in the returned Array is unspecified.
+
+		If `c` is null, the result is unspecified.
+	**/
+	inline static function getInstanceFields(c:OneOfTwo<Class<Dynamic>, CustomClassDecl>):Array<String> {
+		if(c is CustomClassDecl) {
+			var cls:CustomClassDecl = cast c;
+			return [for(f in Tools.getClassDeclFields(cls.classDecl)) f.name];
+		}
+		return Type.getInstanceFields(cast c);
+	}
+
+	/**
+		Returns a list of static fields of class `c`.
+
+		This does not include static fields of parent classes.
+
+		The order of the fields in the returned Array is unspecified.
+
+		If `c` is null, the result is unspecified.
+	**/
+	inline static function getClassFields(c:OneOfTwo<Class<Dynamic>, CustomClassDecl>):Array<String> {
+		if(c is CustomClassDecl) {
+			var cls:CustomClassDecl = cast c;
+			return [for(f in Tools.getClassDeclFields(cls.classDecl, true)) f.name];
+		}
+		return Type.getClassFields(cast c);
+	}
+
+	/**
+		Returns a list of the names of all constructors of enum `e`.
+
+		The order of the constructor names in the returned Array is preserved
+		from the original syntax.
+
+		If `e` is null, the result is unspecified.
+	**/
+	inline static function getEnumConstructs(e:OneOfTwo<Enum<Dynamic>, HScriptEnum>):Array<String> {
+		// TODO: SUPPORT HSCRIPT ENUMS
+		return Type.getEnumConstructs(cast e);
+	}
+
+	/**
+		Returns the runtime type of value `v`.
+
+		The result corresponds to the type `v` has at runtime, which may vary
+		per platform. Assumptions regarding this should be minimized to avoid
+		surprises.
+	**/
+	inline static function typeof(v:Dynamic):Type.ValueType {
+		return Type.typeof(v);
+	}
+
+	/**
+		Recursively compares two enum instances `a` and `b` by value.
+
+		Unlike `a == b`, this function performs a deep equality check on the
+		arguments of the constructors, if exists.
+
+		If `a` or `b` are null, the result is unspecified.
+	**/
+	inline static function enumEq(a:Dynamic, b:Dynamic):Bool {
+		var isScripted:Bool = Std.isOfType(a, HScriptEnumValue) && Std.isOfType(b, HScriptEnumValue);
+		if (isScripted)
+			return cast(a, HScriptEnumValue).compare(cast(b, HScriptEnumValue));
+		return Type.enumEq(a, b);
+	}
+
+	/**
+		Returns the constructor name of enum instance `e`.
+
+		The result String does not contain any constructor arguments.
+
+		If `e` is null, the result is unspecified.
+	**/
+	inline static function enumConstructor(e:Dynamic):String {
+		if (Std.isOfType(e, HScriptEnumValue))
+			return cast(e, HScriptEnumValue).name;
+		return Type.enumConstructor(e);
+	}
+
+	/**
+		Returns a list of the constructor arguments of enum instance `e`.
+
+		If `e` has no arguments, the result is [].
+
+		Otherwise the result are the values that were used as arguments to `e`,
+		in the order of their declaration.
+
+		If `e` is null, the result is unspecified.
+	**/
+	inline static function enumParameters(e:Dynamic):Array<Dynamic> {
+		if (Std.isOfType(e, HScriptEnumValue))
+			return cast(e, HScriptEnumValue).args;
+		return Type.enumParameters(e);
+	}
+
+	/**
+		Returns the index of enum instance `e`.
+
+		This corresponds to the original syntactic position of `e`. The index of
+		the first declared constructor is 0, the next one is 1 etc.
+
+		If `e` is null, the result is unspecified.
+	**/
+	inline static function enumIndex(e:Dynamic):Int {
+		if (Std.isOfType(e, HScriptEnumValue))
+			return cast(e, HScriptEnumValue).index;
+		return Type.enumIndex(e);
+	}
+
+	/**
+		Returns a list of all constructors of enum `e` that require no
+		arguments.
+
+		This may return the empty Array `[]` if all constructors of `e` require
+		arguments.
+
+		Otherwise an instance of `e` constructed through each of its non-
+		argument constructors is returned, in the order of the constructor
+		declaration.
+
+		If `e` is null, the result is unspecified.
+	**/
+	inline static function allEnums<T>(e:OneOfTwo<Enum<T>, HScriptEnum>):Array<T> {
+		// TODO: SUPPORT HSCRIPT ENUMS
+		var isScripted:Bool = Std.isOfType(e, HScriptEnum);
+		if(isScripted) {
+			var hEnum:HScriptEnum = cast e;
+			return [for(en in Reflect.fields(hEnum.enumValues)) Reflect.field(hEnum, en)];
+		}
+		return Type.allEnums(cast e);
+	}
+}

hscript/utils/UsingClass.hx

@@ -0,0 +1,9 @@
+package hscript.utils;
+
+/**
+ * This is used to mark classes that can be used with the `using` keyword.
+ * You can also add @:usableEntry to your class.
+ * If you wanna force the class to be called with any type, you can add @:usableEntry(forceAny)
+**/
+@:autoBuild(hscript.macros.UsingMacro.build())
+interface UsingClass {}

hscript/utils/UsingEntry.hx

@@ -0,0 +1,17 @@
+package hscript.utils;
+
+typedef UsingCall = (o: Dynamic, f: String, args: Array<Dynamic>) -> Dynamic;
+
+/**
+ * Code based on Using system from "hscript-iris"
+ * @see https://github.com/pisayesiwsi/hscript-iris/blob/master/crowplexus/iris/utils/UsingEntry.hx
+ */
+class UsingEntry {
+	public var name: String;
+	public var call: UsingCall;
+
+	public function new(name: String, call: UsingCall) {
+		this.name = name;
+		this.call = call;
+	}
+}

hscript/utils/UsingHandler.hx

@@ -0,0 +1,45 @@
+package hscript.utils;
+
+import hscript.utils.UsingEntry.UsingCall;
+import StringTools;
+import Lambda;
+
+class UsingHandler {
+    public static var usingEntries:Array<UsingEntry> = [
+        new UsingEntry("StringTools", function(o: Dynamic, f: String, args: Array<Dynamic>): Dynamic {
+			if (f == "isEof") // has @:noUsing
+				return null;
+			switch (Type.typeof(o)) {
+				case TInt if (f == "hex"):
+					return StringTools.hex(o, args[0]);
+				case TClass(String):
+					if (Reflect.hasField(StringTools, f)) {
+						var field = Reflect.field(StringTools, f);
+						if (Reflect.isFunction(field)) {
+							return Reflect.callMethod(StringTools, field, [o].concat(args));
+						}
+					}
+				default:
+			}
+			return null;
+		}),
+		new UsingEntry("Lambda", function(o: Dynamic, f: String, args: Array<Dynamic>): Dynamic {
+			if (Tools.isIterable(o)) {
+				// TODO: Check if the values are Iterable<T>
+				if (Reflect.hasField(Lambda, f)) {
+					var field = Reflect.field(Lambda, f);
+					if (Reflect.isFunction(field)) {
+						return Reflect.callMethod(Lambda, field, [o].concat(args));
+					}
+				}
+			}
+			return null;
+		}),
+    ];
+
+    public static function registerUsingGlobal(name: String, call:UsingCall):UsingEntry {
+		var entry = new UsingEntry(name, call);
+		usingEntries.push(entry);
+		return entry;
+	}
+}