713 lines
		
	
	
		
			22 KiB
		
	
	
	
		
			Haxe
		
	
	
	
	
	
		
		
			
		
	
	
			713 lines
		
	
	
		
			22 KiB
		
	
	
	
		
			Haxe
		
	
	
	
	
	
|  | /* | ||
|  |  * Copyright (C)2005-2019 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 cs.internal; | ||
|  | 
 | ||
|  | import cs.Lib; | ||
|  | import cs.Lib.*; | ||
|  | import cs.NativeArray; | ||
|  | import cs.StdTypes; | ||
|  | import cs.system.Activator; | ||
|  | import cs.system.IConvertible; | ||
|  | import cs.system.IComparable; | ||
|  | import cs.system.reflection.MethodBase; | ||
|  | import cs.system.reflection.MethodInfo; | ||
|  | import cs.system.reflection.*; | ||
|  | import cs.system.Type; | ||
|  | import cs.system.Object; | ||
|  | 
 | ||
|  | /** | ||
|  | 	This class is meant for internal compiler use only. It provides the Haxe runtime | ||
|  | 	compatibility to the host language. | ||
|  | **/ | ||
|  | @:nativeGen | ||
|  | @:native('haxe.lang.Runtime') | ||
|  | @:access(String) | ||
|  | @:classCode('
 | ||
|  | 	public static object getField(haxe.lang.HxObject obj, string field, int fieldHash, bool throwErrors) | ||
|  | 	{ | ||
|  | 		if (obj == null && !throwErrors) return null; | ||
|  | 		return obj.__hx_getField(field, (fieldHash == 0) ? haxe.lang.FieldLookup.hash(field) : fieldHash, throwErrors, false, false); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	public static double getField_f(haxe.lang.HxObject obj, string field, int fieldHash, bool throwErrors) | ||
|  | 	{ | ||
|  | 		if (obj == null && !throwErrors) return 0.0; | ||
|  | 		return obj.__hx_getField_f(field, (fieldHash == 0) ? haxe.lang.FieldLookup.hash(field) : fieldHash, throwErrors, false); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	public static object setField(haxe.lang.HxObject obj, string field, int fieldHash, object value) | ||
|  | 	{ | ||
|  | 		return obj.__hx_setField(field, (fieldHash == 0) ? haxe.lang.FieldLookup.hash(field) : fieldHash, value, false); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	public static double setField_f(haxe.lang.HxObject obj, string field, int fieldHash, double value) | ||
|  | 	{ | ||
|  | 		return obj.__hx_setField_f(field, (fieldHash == 0) ? haxe.lang.FieldLookup.hash(field) : fieldHash, value, false); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	public static object callField(haxe.lang.HxObject obj, string field, int fieldHash, object[] args) | ||
|  | 	{ | ||
|  | 		return obj.__hx_invokeField(field, (fieldHash == 0) ? haxe.lang.FieldLookup.hash(field) : fieldHash, args); | ||
|  | 	} | ||
|  | ')
 | ||
|  | @:keep class Runtime { | ||
|  | 	@:readOnly public static var undefined(default, never):Dynamic = new cs.system.Object(); | ||
|  | 
 | ||
|  | 	public static function closure(obj:Dynamic, hash:Int, field:String):Dynamic { | ||
|  | 		return new cs.internal.Function.Closure(obj, field, hash); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	public static function eq(v1:Dynamic, v2:Dynamic):Bool { | ||
|  | 		if (Object.ReferenceEquals(v1, v2)) | ||
|  | 			return true; | ||
|  | 		if (Object.ReferenceEquals(v1, null) || Object.ReferenceEquals(v2, null)) | ||
|  | 			return false; | ||
|  | 
 | ||
|  | 		var v1c = Lib.as(v1, IConvertible); | ||
|  | 		if (v1c != null) { | ||
|  | 			var v2c = Lib.as(v2, IConvertible); | ||
|  | 			if (v2c == null) { | ||
|  | 				return false; | ||
|  | 			} | ||
|  | 
 | ||
|  | 			var t1 = v1c.GetTypeCode(), t2 = v2c.GetTypeCode(); | ||
|  | 			if (t1 == t2) | ||
|  | 				return Object._Equals(v1c, v2c); | ||
|  | 
 | ||
|  | 			if (t1 == cs.system.TypeCode.String || t2 == cs.system.TypeCode.String) | ||
|  | 				return false; | ||
|  | 
 | ||
|  | 			switch [t1, t2] { | ||
|  | 				case [Decimal, _] | [_, Decimal]: | ||
|  | 					return v1c.ToDecimal(null) == v2c.ToDecimal(null); | ||
|  | 				case [Int64, _] | [_, Int64]: | ||
|  | 					return v1c.ToInt64(null) == v2c.ToInt64(null); | ||
|  | 				case [UInt64 | DateTime, _] | [_, UInt64 | DateTime]: | ||
|  | 					return v1c.ToUInt64(null) == v2c.ToUInt64(null); | ||
|  | 				case [Double | Single, _] | [_, Double | Single]: | ||
|  | 					return v1c.ToDouble(null) == v2c.ToDouble(null); | ||
|  | 				case _: | ||
|  | 					return v1c.ToInt32(null) == v2c.ToInt32(null); | ||
|  | 			} | ||
|  | 		} | ||
|  | 
 | ||
|  | 		var v1v = Lib.as(v1, cs.system.ValueType); | ||
|  | 		if (v1v != null) { | ||
|  | 			return v1.Equals(v2); | ||
|  | 		#if !erase_generics | ||
|  | 		} | ||
|  | 		else { | ||
|  | 			var v1t = Lib.as(v1, Type); | ||
|  | 			if (v1t != null) { | ||
|  | 				var v2t = Lib.as(v2, Type); | ||
|  | 				if (v2t != null) | ||
|  | 					return typeEq(v1t, v2t); | ||
|  | 				return false; | ||
|  | 			} | ||
|  | 		#end | ||
|  | 		} | ||
|  | 
 | ||
|  | 		return false; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	public static function refEq(v1:{}, v2:{}):Bool { | ||
|  | 		#if !erase_generics | ||
|  | 		if (Std.isOfType(v1, Type)) | ||
|  | 			return typeEq(Lib.as(v1, Type), Lib.as(v2, Type)); | ||
|  | 		#end | ||
|  | 		return Object.ReferenceEquals(v1, v2); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	public static function toDouble(obj:Dynamic):Float { | ||
|  | 		return (obj == null) ? .0 : Std.isOfType(obj, Float) ? cast obj : Lib.as(obj, IConvertible).ToDouble(null); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	public static function toInt(obj:Dynamic):Int { | ||
|  | 		return (obj == null) ? 0 : Std.isOfType(obj, Int) ? cast obj : Lib.as(obj, IConvertible).ToInt32(null); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	#if erase_generics | ||
|  | 	public static function toLong(obj:Dynamic):Int64 { | ||
|  | 		return (obj == null) ? 0 : Std.isOfType(obj, Int64) ? cast obj : Lib.as(obj, IConvertible).ToInt64(null); | ||
|  | 	} | ||
|  | 	#end | ||
|  | 
 | ||
|  | 	public static function isInt(obj:Dynamic):Bool { | ||
|  | 		var cv1 = Lib.as(obj, IConvertible); | ||
|  | 		if (cv1 != null) { | ||
|  | 			switch (cv1.GetTypeCode()) { | ||
|  | 				case Double: | ||
|  | 					var d:Float = cast obj; | ||
|  | 					return d >= cs.system.Int32.MinValue && d <= cs.system.Int32.MaxValue && d == (cast(d, Int)); | ||
|  | 				case UInt32, Int32: | ||
|  | 					return true; | ||
|  | 				default: | ||
|  | 					return false; | ||
|  | 			} | ||
|  | 		} | ||
|  | 		return false; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	public static function isUInt(obj:Dynamic):Bool { | ||
|  | 		var cv1 = Lib.as(obj, IConvertible); | ||
|  | 		if (cv1 != null) { | ||
|  | 			switch (cv1.GetTypeCode()) { | ||
|  | 				case Double: | ||
|  | 					var d:Float = cast obj; | ||
|  | 					return d >= cs.system.UInt32.MinValue && d <= cs.system.UInt32.MaxValue && d == (cast(d, UInt)); | ||
|  | 				case UInt32: | ||
|  | 					return true; | ||
|  | 				default: | ||
|  | 					return false; | ||
|  | 			} | ||
|  | 		} | ||
|  | 		return false; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	public static function compare(v1:Dynamic, v2:Dynamic):Int { | ||
|  | 		if (Object.ReferenceEquals(v1, v2)) | ||
|  | 			return 0; | ||
|  | 		if (Object.ReferenceEquals(v1, null)) | ||
|  | 			return -1; | ||
|  | 		if (Object.ReferenceEquals(v2, null)) | ||
|  | 			return 1; | ||
|  | 
 | ||
|  | 		var cv1 = Lib.as(v1, IConvertible); | ||
|  | 		if (cv1 != null) { | ||
|  | 			var cv2 = Lib.as(v2, IConvertible); | ||
|  | 
 | ||
|  | 			if (cv2 == null) { | ||
|  | 				throw new cs.system.ArgumentException("Cannot compare " + getNativeType(v1).ToString() + " and " + getNativeType(v2).ToString()); | ||
|  | 			} | ||
|  | 
 | ||
|  | 			switch (cv1.GetTypeCode()) { | ||
|  | 				case cs.system.TypeCode.String: | ||
|  | 					if (cv2.GetTypeCode() != cs.system.TypeCode.String) | ||
|  | 						throw new cs.system.ArgumentException("Cannot compare " + getNativeType(v1).ToString() + " and " + getNativeType(v2).ToString()); | ||
|  | 					var s1 = Lib.as(v1, String); | ||
|  | 					var s2 = Lib.as(v2, String); | ||
|  | 					return String.Compare(s1, s2, cs.system.StringComparison.Ordinal); | ||
|  | 				case cs.system.TypeCode.Double: | ||
|  | 					var d1:Float = cast v1, d2:Float = cv2.ToDouble(null); | ||
|  | 					return (d1 < d2) ? -1 : (d1 > d2) ? 1 : 0; | ||
|  | 				default: | ||
|  | 					var d1d = cv1.ToDouble(null); | ||
|  | 					var d2d = cv2.ToDouble(null); | ||
|  | 					return (d1d < d2d) ? -1 : (d1d > d2d) ? 1 : 0; | ||
|  | 			} | ||
|  | 		} | ||
|  | 
 | ||
|  | 		var c1 = Lib.as(v1, IComparable); | ||
|  | 		var c2 = Lib.as(v2, IComparable); | ||
|  | 
 | ||
|  | 		if (c1 == null || c2 == null) { | ||
|  | 			throw new cs.system.ArgumentException("Cannot compare " + getNativeType(v1).ToString() + " and " + getNativeType(v2).ToString()); | ||
|  | 		} | ||
|  | 
 | ||
|  | 		return c1.CompareTo(c2); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	public static function plus(v1:Dynamic, v2:Dynamic):Dynamic { | ||
|  | 		if (Std.isOfType(v1, String) || Std.isOfType(v2, String)) | ||
|  | 			return Std.string(v1) + Std.string(v2); | ||
|  | 
 | ||
|  | 		if (v1 == null) { | ||
|  | 			if (v2 == null) | ||
|  | 				return null; | ||
|  | 			v1 = 0; | ||
|  | 		} else if (v2 == null) | ||
|  | 			v2 = 0; | ||
|  | 
 | ||
|  | 		var cv1 = Lib.as(v1, IConvertible); | ||
|  | 		if (cv1 != null) { | ||
|  | 			var cv2 = Lib.as(v2, IConvertible); | ||
|  | 			if (cv2 == null) { | ||
|  | 				throw new cs.system.ArgumentException("Cannot dynamically add " + cs.Lib.getNativeType(v1).ToString() + " and " | ||
|  | 					+ cs.Lib.getNativeType(v2).ToString()); | ||
|  | 			} | ||
|  | 			return cv1.ToDouble(null) + cv2.ToDouble(null); | ||
|  | 		} | ||
|  | 
 | ||
|  | 		throw new cs.system.ArgumentException("Cannot dynamically add " + v1 + " and " + v2); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	public static function slowGetField(obj:Dynamic, field:String, throwErrors:Bool):Dynamic { | ||
|  | 		if (obj == null) | ||
|  | 			if (throwErrors) | ||
|  | 				throw new cs.system.NullReferenceException("Cannot access field \'" + field + "\' of null."); | ||
|  | 			else | ||
|  | 				return null; | ||
|  | 
 | ||
|  | 		var t = Lib.as(obj, cs.system.Type); | ||
|  | 		var bf = if (t == null) { | ||
|  | 			var s = Lib.as(obj, String); | ||
|  | 			if (s != null) | ||
|  | 				return cs.internal.StringExt.StringRefl.handleGetField(s, field, throwErrors); | ||
|  | 			t = obj.GetType(); | ||
|  | 			new cs.Flags(BindingFlags.Instance) | BindingFlags.Public | BindingFlags.FlattenHierarchy; | ||
|  | 		} else { | ||
|  | 			if (t == Lib.toNativeType(String) && field == "fromCharCode") | ||
|  | 				return new cs.internal.Function.Closure(StringExt, field, 0); | ||
|  | 
 | ||
|  | 			obj = null; | ||
|  | 			new cs.Flags(BindingFlags.Static) | BindingFlags.Public; | ||
|  | 		} | ||
|  | 
 | ||
|  | 		var f = t.GetField(field, bf); | ||
|  | 		if (f != null) { | ||
|  | 			return unbox(f.GetValue(obj)); | ||
|  | 		} else { | ||
|  | 			var prop = t.GetProperty(field, bf); | ||
|  | 			if (prop == null) { | ||
|  | 				var m = t.GetMember(field, bf); | ||
|  | 				if (m.length == 0 && (field == "__get" || field == "__set")) | ||
|  | 					m = t.GetMember(field == "__get" ? "get_Item" : "set_Item", bf); | ||
|  | 
 | ||
|  | 				if (m.Length > 0) { | ||
|  | 					return new cs.internal.Function.Closure(obj != null ? obj : t, field, 0); | ||
|  | 				} else { | ||
|  | 					// COM object handling | ||
|  | 					if (t.IsCOMObject) { | ||
|  | 						try { | ||
|  | 							return t.InvokeMember(field, BindingFlags.GetProperty, null, obj, new cs.NativeArray(0)); | ||
|  | 						} catch (e:cs.system.Exception) { | ||
|  | 							// Closures of COM objects not supported currently | ||
|  | 						} | ||
|  | 					} | ||
|  | 
 | ||
|  | 					if (throwErrors) | ||
|  | 						throw "Cannot access field \'" + field + "\'."; | ||
|  | 					else | ||
|  | 						return null; | ||
|  | 				} | ||
|  | 			} | ||
|  | 			return unbox(prop.GetValue(obj, null)); | ||
|  | 		} | ||
|  | 	} | ||
|  | 
 | ||
|  | 	public static function slowHasField(obj:Dynamic, field:String):Bool { | ||
|  | 		if (obj == null) | ||
|  | 			return false; | ||
|  | 		var t = Lib.as(obj, cs.system.Type); | ||
|  | 		var bf = if (t == null) { | ||
|  | 			var s = Lib.as(obj, String); | ||
|  | 			if (s != null) | ||
|  | 				return cs.internal.StringExt.StringRefl.handleGetField(s, field, false) != null; | ||
|  | 			t = obj.GetType(); | ||
|  | 			new cs.Flags(BindingFlags.Instance) | BindingFlags.Public | BindingFlags.FlattenHierarchy; | ||
|  | 		} else { | ||
|  | 			if (t == Lib.toNativeType(String)) | ||
|  | 				return field == "fromCharCode"; | ||
|  | 			obj = null; | ||
|  | 			new cs.Flags(BindingFlags.Static) | BindingFlags.Public; | ||
|  | 		} | ||
|  | 		var mi = t.GetMember(field, bf); | ||
|  | 		return mi != null && mi.length > 0; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	public static function slowSetField(obj:Dynamic, field:String, value:Dynamic):Dynamic { | ||
|  | 		if (obj == null) | ||
|  | 			throw new cs.system.NullReferenceException("Cannot access field \'" + field + "\' of null."); | ||
|  | 
 | ||
|  | 		var t = Lib.as(obj, cs.system.Type); | ||
|  | 		var bf = if (t == null) { | ||
|  | 			t = obj.GetType(); | ||
|  | 			new cs.Flags(BindingFlags.Instance) | BindingFlags.Public | BindingFlags.FlattenHierarchy; | ||
|  | 		} else { | ||
|  | 			obj = null; | ||
|  | 			new cs.Flags(BindingFlags.Static) | BindingFlags.Public; | ||
|  | 		} | ||
|  | 
 | ||
|  | 		var f = t.GetField(field, bf); | ||
|  | 		if (f != null) { | ||
|  | 			if (f.FieldType.ToString().StartsWith("haxe.lang.Null")) { | ||
|  | 				value = mkNullable(value, f.FieldType); | ||
|  | 			} | ||
|  | 			if (value != null | ||
|  | 				&& Object.ReferenceEquals(Lib.toNativeType(cs.system.Double), Lib.getNativeType(value)) | ||
|  | 				&& !Object.ReferenceEquals(t, f.FieldType)) { | ||
|  | 				var ic = Lib.as(value, IConvertible); | ||
|  | 				value = ic.ToType(f.FieldType, null); | ||
|  | 			} | ||
|  | 
 | ||
|  | 			f.SetValue(obj, value); | ||
|  | 			return value; | ||
|  | 		} else { | ||
|  | 			var prop = t.GetProperty(field, bf); | ||
|  | 			if (prop == null) { | ||
|  | 				// COM object handling | ||
|  | 				if (t.IsCOMObject) { | ||
|  | 					try { | ||
|  | 						return t.InvokeMember(field, BindingFlags.SetProperty, null, obj, cs.NativeArray.make(value)); | ||
|  | 					} catch (e:cs.system.Exception) { | ||
|  | 						// Closures of COM objects not supported currently | ||
|  | 					} | ||
|  | 				} | ||
|  | 				throw "Field \'" + field + "\' not found for writing from Class " + t; | ||
|  | 			} | ||
|  | 
 | ||
|  | 			if (prop.PropertyType.ToString().StartsWith("haxe.lang.Null")) { | ||
|  | 				value = mkNullable(value, prop.PropertyType); | ||
|  | 			} | ||
|  | 			if (Object.ReferenceEquals(Lib.toNativeType(cs.system.Double), Lib.getNativeType(value)) | ||
|  | 				&& !Object.ReferenceEquals(t, prop.PropertyType)) { | ||
|  | 				var ic = Lib.as(value, IConvertible); | ||
|  | 				value = ic.ToType(prop.PropertyType, null); | ||
|  | 			} | ||
|  | 			prop.SetValue(obj, value, null); | ||
|  | 
 | ||
|  | 			return value; | ||
|  | 		} | ||
|  | 	} | ||
|  | 
 | ||
|  | 	public static function callMethod(obj:Dynamic, methods:NativeArray<MethodBase>, methodLength:Int, args:cs.NativeArray<Dynamic>):Dynamic { | ||
|  | 		if (methodLength == 0) | ||
|  | 			throw "No available methods"; | ||
|  | 		var length = args.length; | ||
|  | 		var oargs:NativeArray<Dynamic> = new NativeArray(length); | ||
|  | 		var ts:NativeArray<Type> = new NativeArray(length); | ||
|  | 		var rates:NativeArray<Int> = new NativeArray(methods.Length); | ||
|  | 
 | ||
|  | 		for (i in 0...length) { | ||
|  | 			oargs[i] = args[i]; | ||
|  | 			if (args[i] != null) | ||
|  | 				ts[i] = Lib.getNativeType(args[i]); | ||
|  | 		} | ||
|  | 
 | ||
|  | 		var last = 0; | ||
|  | 
 | ||
|  | 		// first filter by number of parameters and if it is assignable | ||
|  | 		if (methodLength > 1) { | ||
|  | 			for (i in 0...methodLength) { | ||
|  | 				var params = methods[i].GetParameters(); | ||
|  | 				if (params.Length != length) { | ||
|  | 					continue; | ||
|  | 				} else { | ||
|  | 					var fits = true, crate = 0; | ||
|  | 					for (i in 0...params.Length) { | ||
|  | 						var param = params[i].ParameterType; | ||
|  | 						var strParam = param + ""; | ||
|  | 						if (param.IsAssignableFrom(ts[i]) || (ts[i] == null && !param.IsValueType)) { | ||
|  | 							// if it is directly assignable, we'll give it top rate | ||
|  | 							continue; | ||
|  | 						} else if (untyped strParam.StartsWith("haxe.lang.Null") | ||
|  | 							|| ((oargs[i] == null || Std.isOfType(oargs[i], IConvertible)) | ||
|  | 								&& cast(untyped __typeof__(IConvertible), Type).IsAssignableFrom(param))) { | ||
|  | 							// if it needs conversion, give a penalty. TODO rate penalty | ||
|  | 							crate++; | ||
|  | 							continue; | ||
|  | 						} else if (!param.ContainsGenericParameters) { // generics don't appear as assignable, but may be in the end. no rate there. | ||
|  | 							fits = false; | ||
|  | 							break; | ||
|  | 						} | ||
|  | 					} | ||
|  | 
 | ||
|  | 					if (fits) { | ||
|  | 						rates[last] = crate; | ||
|  | 						methods[last++] = methods[i]; | ||
|  | 					} | ||
|  | 				} | ||
|  | 			} | ||
|  | 
 | ||
|  | 			methodLength = last; | ||
|  | 		} else if (methodLength == 1 && methods[0].GetParameters().Length != length) { | ||
|  | 			methodLength = 0; | ||
|  | 		} | ||
|  | 
 | ||
|  | 		// At this time, we should be left with only one method. | ||
|  | 		// Of course, realistically, we can be left with plenty of methods, if there are lots of variants with IConvertible | ||
|  | 		// But at this time we still aren't rating the best methods | ||
|  | 		// FIXME rate best methods | ||
|  | 
 | ||
|  | 		if (methodLength == 0) | ||
|  | 			throw "Invalid calling parameters for method " + methods[0].Name; | ||
|  | 
 | ||
|  | 		var best = cs.system.Double.PositiveInfinity; | ||
|  | 		var bestMethod = 0; | ||
|  | 		for (i in 0...methodLength) { | ||
|  | 			if (rates[i] < best) { | ||
|  | 				bestMethod = i; | ||
|  | 				best = rates[i]; | ||
|  | 			} | ||
|  | 		} | ||
|  | 
 | ||
|  | 		methods[0] = methods[bestMethod]; | ||
|  | 		var params = methods[0].GetParameters(); | ||
|  | 		for (i in 0...params.Length) { | ||
|  | 			var param = params[i].ParameterType; | ||
|  | 			var strParam = param + "", arg = oargs[i]; | ||
|  | 			if (StringTools.startsWith(strParam, "haxe.lang.Null")) { | ||
|  | 				oargs[i] = mkNullable(arg, param); | ||
|  | 			} else if (cast(untyped __typeof__(IConvertible), Type).IsAssignableFrom(param)) { | ||
|  | 				if (arg == null) { | ||
|  | 					if (param.IsValueType) | ||
|  | 						oargs[i] = Activator.CreateInstance(param); | ||
|  | 				} else if (!cs.Lib.getNativeType(arg).IsAssignableFrom(param)) { | ||
|  | 					oargs[i] = cast(arg, IConvertible).ToType(param, null); | ||
|  | 				} | ||
|  | 			} | ||
|  | 		} | ||
|  | 
 | ||
|  | 		if (methods[0].ContainsGenericParameters && Std.isOfType(methods[0], cs.system.reflection.MethodInfo)) { | ||
|  | 			var m:MethodInfo = cast methods[0]; | ||
|  | 			var tgs = m.GetGenericArguments(); | ||
|  | 			for (i in 0...tgs.Length) { | ||
|  | 				tgs[i] = untyped __typeof__(Dynamic); | ||
|  | 			} | ||
|  | 			m = m.MakeGenericMethod(tgs); | ||
|  | 			var retg = try | ||
|  | 				m.Invoke(obj, oargs) | ||
|  | 			catch(e:TargetInvocationException) | ||
|  | 				throw e.InnerException; | ||
|  | 			return cs.internal.Runtime.unbox(retg); | ||
|  | 		} | ||
|  | 
 | ||
|  | 		var m = methods[0]; | ||
|  | 		if (obj == null && Std.isOfType(m, cs.system.reflection.ConstructorInfo)) { | ||
|  | 			var ret = try | ||
|  | 				cast(m, cs.system.reflection.ConstructorInfo).Invoke(oargs) | ||
|  | 			catch(e:TargetInvocationException) | ||
|  | 				throw e.InnerException; | ||
|  | 			return unbox(ret); | ||
|  | 		} | ||
|  | 
 | ||
|  | 		var ret = try | ||
|  | 			m.Invoke(obj, oargs) | ||
|  | 		catch(e:TargetInvocationException) | ||
|  | 			throw e.InnerException; | ||
|  | 		return unbox(ret); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	public static function unbox(dyn:Dynamic):Dynamic { | ||
|  | 		if (dyn != null && untyped (Lib.getNativeType(dyn) + "").StartsWith("haxe.lang.Null")) { | ||
|  | 			return dyn.toDynamic(); | ||
|  | 		} else { | ||
|  | 			return dyn; | ||
|  | 		} | ||
|  | 	} | ||
|  | 
 | ||
|  | 	#if !erase_generics | ||
|  | 	@:functionCode('
 | ||
|  | 		if (nullableType.ContainsGenericParameters) | ||
|  | 			return haxe.lang.Null<object>.ofDynamic<object>(obj); | ||
|  | 		return nullableType.GetMethod("_ofDynamic").Invoke(null, new object[] { obj }); | ||
|  | 	')
 | ||
|  | 	public static function mkNullable(obj:Dynamic, nullableType:Type):Dynamic { | ||
|  | 		return null; | ||
|  | 	} | ||
|  | 	#else | ||
|  | 	public static function mkNullable(obj:Dynamic, nullable:Type):Dynamic { | ||
|  | 		return obj; // do nothing | ||
|  | 	} | ||
|  | 	#end | ||
|  | 
 | ||
|  | 	public static function slowCallField(obj:Dynamic, field:String, args:cs.NativeArray<Dynamic>):Dynamic { | ||
|  | 		if (field == "toString" && (args == null || args.length == 0)) { | ||
|  | 			return obj.ToString(); | ||
|  | 		} | ||
|  | 		if (args == null) | ||
|  | 			args = new cs.NativeArray(0); | ||
|  | 
 | ||
|  | 		var bf:BindingFlags; | ||
|  | 		var t = Lib.as(obj, cs.system.Type); | ||
|  | 		if (t == null) { | ||
|  | 			var s = Lib.as(obj, String); | ||
|  | 			if (s != null) | ||
|  | 				return cs.internal.StringExt.StringRefl.handleCallField(untyped s, untyped field, args); | ||
|  | 			t = untyped obj.GetType(); | ||
|  | 			bf = new Flags(BindingFlags.Instance) | BindingFlags.Public | BindingFlags.FlattenHierarchy; | ||
|  | 		} else { | ||
|  | 			if (t == Lib.toNativeType(String) && field == 'fromCharCode') | ||
|  | 				return cs.internal.StringExt.fromCharCode(toInt(args[0])); | ||
|  | 			obj = null; | ||
|  | 			bf = new Flags(BindingFlags.Static) | BindingFlags.Public; | ||
|  | 		} | ||
|  | 
 | ||
|  | 		var mis:NativeArray<MethodBase> = untyped t.GetMethods(bf); | ||
|  | 		var last = 0; | ||
|  | 		for (i in 0...mis.Length) { | ||
|  | 			var name = mis[i].Name; | ||
|  | 			if (name == field) | ||
|  | 				mis[last++] = mis[i]; | ||
|  | 		} | ||
|  | 
 | ||
|  | 		if (last == 0 && (field == "__get" || field == "__set")) { | ||
|  | 			field = field == "__get" ? "get_Item" : "set_Item"; | ||
|  | 			for (i in 0...mis.Length) { | ||
|  | 				var name = mis[i].Name; | ||
|  | 				if (name == field) { | ||
|  | 					mis[last++] = mis[i]; | ||
|  | 				} | ||
|  | 			} | ||
|  | 		} | ||
|  | 
 | ||
|  | 		if (last == 0 && t.IsCOMObject) | ||
|  | 			return t.InvokeMember(field, BindingFlags.InvokeMethod, null, obj, args); | ||
|  | 
 | ||
|  | 		if (last == 0) { | ||
|  | 			throw 'Method "$field" not found on type $t'; | ||
|  | 		} | ||
|  | 
 | ||
|  | 		return Runtime.callMethod(obj, mis, last, args); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	public static function callField(obj:Dynamic, field:String, fieldHash:Int, args:cs.NativeArray<Dynamic>):Dynamic { | ||
|  | 		var hxObj = Lib.as(obj, HxObject); | ||
|  | 		if (hxObj != null) | ||
|  | 			return untyped hxObj.__hx_invokeField(field, (fieldHash == 0) ? FieldLookup.hash(field) : fieldHash, args); | ||
|  | 		return slowCallField(obj, field, args); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	public static function getField(obj:Dynamic, field:String, fieldHash:Int, throwErrors:Bool):Dynamic { | ||
|  | 		var hxObj = Lib.as(obj, HxObject); | ||
|  | 		if (hxObj != null) | ||
|  | 			return untyped hxObj.__hx_getField(field, (fieldHash == 0) ? FieldLookup.hash(field) : fieldHash, throwErrors, false, false); | ||
|  | 
 | ||
|  | 		return slowGetField(obj, field, throwErrors); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	public static function getField_f(obj:Dynamic, field:String, fieldHash:Int, throwErrors:Bool):Float { | ||
|  | 		var hxObj = Lib.as(obj, HxObject); | ||
|  | 		if (hxObj != null) | ||
|  | 			return untyped hxObj.__hx_getField_f(field, (fieldHash == 0) ? FieldLookup.hash(field) : fieldHash, throwErrors, false); | ||
|  | 
 | ||
|  | 		return toDouble(slowGetField(obj, field, throwErrors)); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	public static function setField(obj:Dynamic, field:String, fieldHash:Int, value:Dynamic):Dynamic { | ||
|  | 		var hxObj = Lib.as(obj, HxObject); | ||
|  | 		if (hxObj != null) | ||
|  | 			return untyped hxObj.__hx_setField(field, (fieldHash == 0) ? FieldLookup.hash(field) : fieldHash, value, false); | ||
|  | 
 | ||
|  | 		return slowSetField(obj, field, value); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	public static function setField_f(obj:Dynamic, field:String, fieldHash:Int, value:Float):Float { | ||
|  | 		var hxObj = Lib.as(obj, HxObject); | ||
|  | 		if (hxObj != null) | ||
|  | 			return untyped hxObj.__hx_setField_f(field, (fieldHash == 0) ? FieldLookup.hash(field) : fieldHash, value, false); | ||
|  | 
 | ||
|  | 		return toDouble(slowSetField(obj, field, value)); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	public static function toString(obj:Dynamic):String { | ||
|  | 		if (obj == null) | ||
|  | 			return null; | ||
|  | 		if (Std.isOfType(obj, Bool)) | ||
|  | 			if (obj) | ||
|  | 				return "true"; | ||
|  | 			else | ||
|  | 				return "false"; | ||
|  | 
 | ||
|  | 		return untyped obj.ToString(); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	#if erase_generics | ||
|  | 	inline | ||
|  | 	#end | ||
|  | 	public static function typeEq(t1:Type, t2:Type):Bool { | ||
|  | 		if (t1 == null || t2 == null) | ||
|  | 			return t1 == t2; | ||
|  | 		#if !erase_generics | ||
|  | 		var t1i = t1.IsInterface, t2i = t2.IsInterface; | ||
|  | 		if (t1i != t2i) { | ||
|  | 			if (t1i) { | ||
|  | 				var g = getGenericAttr(t1); | ||
|  | 				if (g != null) | ||
|  | 					t1 = g.generic; | ||
|  | 			} else { | ||
|  | 				var g = getGenericAttr(t2); | ||
|  | 				if (g != null) | ||
|  | 					t2 = g.generic; | ||
|  | 			} | ||
|  | 		} | ||
|  | 		#end | ||
|  | 		if (t1.GetGenericArguments().Length > 0) | ||
|  | 			t1 = t1.GetGenericTypeDefinition(); | ||
|  | 		if (t2.GetGenericArguments().Length > 0) | ||
|  | 			t2 = t2.GetGenericTypeDefinition(); | ||
|  | 		return Object.ReferenceEquals(t1, t2); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	#if !erase_generics | ||
|  | 	public static function getGenericAttr(t:cs.system.Type):cs.internal.HxObject.GenericInterface { | ||
|  | 		for (attr in t.GetCustomAttributes(true)) | ||
|  | 			if (Std.isOfType(attr, cs.internal.HxObject.GenericInterface)) | ||
|  | 				return cast attr; | ||
|  | 		return null; | ||
|  | 	} | ||
|  | 	#end | ||
|  | 
 | ||
|  | 	#if !erase_generics | ||
|  | 	@:functionCode('
 | ||
|  | 		if (obj is To) | ||
|  | 			return (To) obj; | ||
|  | 		else if (obj == null) | ||
|  | 			return default(To); | ||
|  | 		if (typeof(To) == typeof(double)) | ||
|  | 			return (To)(object) toDouble(obj); | ||
|  | 		else if (typeof(To) == typeof(int)) | ||
|  | 			return (To)(object) toInt(obj); | ||
|  | 		else if (typeof(To) == typeof(float)) | ||
|  | 			return (To)(object)(float)toDouble(obj); | ||
|  | 		else if (typeof(To) == typeof(long)) | ||
|  | 			return (To)(object)(long)toDouble(obj); | ||
|  | 		else | ||
|  | 			return (To) obj; | ||
|  | 	')
 | ||
|  | 	public static function genericCast<To>(obj:Dynamic):To { | ||
|  | 		return null; | ||
|  | 	} | ||
|  | 	#end | ||
|  | 
 | ||
|  | 	@:functionCode('
 | ||
|  | 		return (s1 == null ? "null" : s1) + (s2 == null ? "null" : s2); | ||
|  | 	')
 | ||
|  | 	public static function concat(s1:String, s2:String):String { | ||
|  | 		return null; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	public static function toBool(dyn:Dynamic):Bool { | ||
|  | 		return if (dyn == null) false else untyped __cs__("(bool){0}", dyn); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	// TODO: change from genericCast to getConverter, so we don't need to handle extra boxing associated with it | ||
|  | 	/*@:functionCode('
 | ||
|  | 			if (typeof(To).TypeHandle == typeof(double).TypeHandle) | ||
|  | 				return (System.Converter<object,To>) new System.Converter<object,double>(toDouble); | ||
|  | 			else if (typeof(To).TypeHandle == typeof(double).TypeHandle) | ||
|  | 				return (System.Converter<object,To>) new System.Converter<object,double>(toDouble); | ||
|  | 			else | ||
|  | 				return (System.Converter<object, To>) delegate(object obj) { return (To) obj; }; | ||
|  | 		')
 | ||
|  | 		public static function getConverter<To>():cs.system.Converter<Dynamic,To> | ||
|  | 		{ | ||
|  | 			return null; | ||
|  | 	}*/ | ||
|  | } | ||
|  | 
 | ||
|  | @:nativeGen | ||
|  | @:keep @:native("haxe.lang.EmptyObject") enum EmptyObject { | ||
|  | 	EMPTY; | ||
|  | } |