127 lines
4.0 KiB
Haxe
127 lines
4.0 KiB
Haxe
/*
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* Copyright (C)2005-2019 Haxe Foundation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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@:coreApi class Reflect {
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@:pure
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public inline static function hasField(o:Dynamic, field:String):Bool {
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return js.lib.Object.prototype.hasOwnProperty.call(o, field);
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}
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@:pure
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public static function field(o:Dynamic, field:String):Dynamic {
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try
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return o[cast field]
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catch (e:Dynamic)
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return null;
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}
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public inline static function setField(o:Dynamic, field:String, value:Dynamic):Void {
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o[cast field] = value;
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}
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public static function getProperty(o:Dynamic, field:String):Dynamic
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untyped {
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var tmp;
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return if (o == null) __define_feature__("Reflect.getProperty",
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null) else if (o.__properties__ && (tmp = o.__properties__["get_" + field])) o[tmp]() else o[field];
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}
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public static function setProperty(o:Dynamic, field:String, value:Dynamic):Void
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untyped {
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var tmp;
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if (o.__properties__ && (tmp = o.__properties__["set_" + field]))
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o[tmp](value)
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else
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o[field] = __define_feature__("Reflect.setProperty", value);
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}
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public inline static function callMethod(o:Dynamic, func:haxe.Constraints.Function, args:Array<Dynamic>):Dynamic {
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return (cast func : js.lib.Function).apply(o, args);
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}
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public static function fields(o:Dynamic):Array<String> {
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var a = [];
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if (o != null)
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untyped {
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var hasOwnProperty = js.lib.Object.prototype.hasOwnProperty;
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js.Syntax.code("for( var f in o ) {");
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if (f != "__id__" && f != "hx__closures__" && hasOwnProperty.call(o, f))
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a.push(f);
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js.Syntax.code("}");
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}
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return a;
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}
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@:access(js.Boot)
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public static function isFunction(f:Dynamic):Bool {
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return js.Syntax.typeof(f) == "function" && !(js.Boot.isClass(f) || js.Boot.isEnum(f));
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}
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public static function compare<T>(a:T, b:T):Int {
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return (a == b) ? 0 : (((cast a) > (cast b)) ? 1 : -1);
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}
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public static function compareMethods(f1:Dynamic, f2:Dynamic):Bool {
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if (f1 == f2)
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return true;
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if (!isFunction(f1) || !isFunction(f2))
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return false;
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return f1.scope == f2.scope && f1.method == f2.method && f1.method != null;
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}
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@:access(js.Boot)
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public static function isObject(v:Dynamic):Bool {
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if (v == null)
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return false;
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var t = js.Syntax.typeof(v);
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return (t == "string" || (t == "object" && v.__enum__ == null))
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|| (t == "function" && (js.Boot.isClass(v) || js.Boot.isEnum(v)) != null);
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}
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public static function isEnumValue(v:Dynamic):Bool {
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return v != null && v.__enum__ != null;
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}
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public static function deleteField(o:Dynamic, field:String):Bool {
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if (!hasField(o, field))
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return false;
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js.Syntax.delete(o, field);
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return true;
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}
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public static function copy<T>(o:Null<T>):Null<T> {
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if (o == null)
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return null;
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var o2:Dynamic = {};
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for (f in Reflect.fields(o))
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Reflect.setField(o2, f, Reflect.field(o, f));
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return o2;
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}
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@:overload(function(f:Array<Dynamic>->Void):Dynamic {})
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public static function makeVarArgs(f:Array<Dynamic>->Dynamic):Dynamic {
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return function() {
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var a = untyped Array.prototype.slice.call(js.Syntax.code("arguments"));
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return f(a);
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};
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}
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}
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