143 lines
4.3 KiB
Haxe
143 lines
4.3 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
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class Reflect {
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public static function hasField(o:Dynamic, field:String):Bool {
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if (field == null)
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return false;
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var hash = @:privateAccess field.bytes.hash();
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return hl.Api.hasField(o, hash);
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}
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public static function field(o:Dynamic, field:String):Dynamic {
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if (field == null)
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return null;
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var hash = @:privateAccess field.bytes.hash();
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return hl.Api.getField(o, hash);
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}
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public static function setField(o:Dynamic, field:String, value:Dynamic):Void {
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var hash = @:privateAccess field.bytes.hash();
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hl.Api.setField(o, hash, value);
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}
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public static function getProperty(o:Dynamic, field:String):Dynamic {
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var f:Dynamic = Reflect.field(o, "get_" + field);
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if (f != null)
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return f();
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return Reflect.field(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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var f:Dynamic = Reflect.field(o, "set_" + field);
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if (f != null)
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f(value);
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else
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setField(o, field, value);
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}
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public static function callMethod(o:Dynamic, func:haxe.Constraints.Function, args:Array<Dynamic>):Dynamic {
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var args:hl.types.ArrayDyn = cast args;
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var ft = hl.Type.getDynamic(func);
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if (ft.kind != HFun)
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throw "Invalid function " + func;
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var count = args.length;
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var need = ft.getArgsCount();
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var nargs = count < need ? need : count;
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var cval:Dynamic = hl.Api.getClosureValue(func);
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if (cval != null) {
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func = hl.Api.noClosure(func);
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nargs++;
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}
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var a = new hl.NativeArray<Dynamic>(nargs);
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if (cval == null) {
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for (i in 0...count)
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a[i] = args.getDyn(i);
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} else {
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a[0] = cval;
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for (i in 0...count)
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a[i + 1] = args.getDyn(i);
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}
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return hl.Api.callMethod(func, a);
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}
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@:hlNative("std", "obj_fields") static function getObjectFields(v:Dynamic):hl.NativeArray<hl.Bytes> {
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return null;
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}
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public static function fields(o:Dynamic):Array<String> {
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var fields = getObjectFields(o);
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if (fields == null)
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return [];
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return [for (f in fields) @:privateAccess String.fromUCS2(f)];
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}
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public static inline function isFunction(f:Dynamic):Bool {
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return hl.Type.getDynamic(f).kind == HFun;
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}
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@:hlNative("std", "dyn_compare")
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public static function compare<T>(a:T, b:T):Int {
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return 0;
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}
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@:hlNative("std", "fun_compare")
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public static function compareMethods(f1:Dynamic, f2:Dynamic):Bool {
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return false;
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}
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public static function isObject(v:Dynamic):Bool {
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var t = hl.Type.getDynamic(v);
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return switch (t.kind) {
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case HObj, HDynObj, HVirtual: true;
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default: false;
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}
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}
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public static function isEnumValue(v:Dynamic):Bool {
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var t = hl.Type.getDynamic(v);
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return t.kind == HEnum;
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}
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public static function deleteField(o:Dynamic, field:String):Bool {
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return hl.Api.deleteField(o, @:privateAccess field.bytes.hash());
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}
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@:hlNative("std", "obj_copy")
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public static function copy<T>(o:Null<T>):Null<T> {
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return null;
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}
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@:overload(function(f:Array<Dynamic>->Void):Dynamic {})
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extern public static function makeVarArgs(f:Array<Dynamic>->Dynamic):Dynamic;
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@:ifFeature("Reflect.makeVarArgs") static function _makeVarArgs(f:Array<Dynamic>->Dynamic):Dynamic {
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return hl.Api.makeVarArgs(function(args:hl.NativeArray<Dynamic>) {
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var arr = hl.types.ArrayDyn.alloc(hl.types.ArrayObj.alloc(args), true);
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return f(cast arr);
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});
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}
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}
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