94 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			Haxe
		
	
	
	
	
	
		
		
			
		
	
	
			94 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			Haxe
		
	
	
	
	
	
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								/*
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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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								package haxe.rtti;
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								private typedef MetaObject = {
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									?fields:Dynamic<Dynamic<Null<Array<Dynamic>>>>,
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									?statics:Dynamic<Dynamic<Null<Array<Dynamic>>>>,
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									?obj:Dynamic<Null<Array<Dynamic>>>
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								};
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								/**
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									An API to access classes and enums metadata at runtime.
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									@see <https://haxe.org/manual/cr-rtti.html>
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								**/
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								class Meta {
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									/**
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										Returns the metadata that were declared for the given type (class or enum)
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									**/
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									public static function getType(t:Dynamic):Dynamic<Array<Dynamic>> {
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										var meta = getMeta(t);
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										return (meta == null || meta.obj == null) ? {} : meta.obj;
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									}
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									// Could move this to Type.hx?
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									private static function isInterface(t:Dynamic):Bool {
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										#if java
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										return java.Lib.toNativeType(t).isInterface();
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										#elseif cs
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										return cs.Lib.toNativeType(t).IsInterface;
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										#else
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										throw "Something went wrong";
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										#end
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									}
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									private static function getMeta(t:Dynamic):MetaObject {
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										#if php
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										return php.Boot.getMeta(t.phpClassName);
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										#elseif (java || cs)
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										var ret = Reflect.field(t, "__meta__");
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										if (ret == null && Std.isOfType(t, Class)) {
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											if (isInterface(t)) {
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												var name = Type.getClassName(t),
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													cls = Type.resolveClass(name + '_HxMeta');
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												if (cls != null)
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													return Reflect.field(cls, "__meta__");
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											}
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										}
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										return ret;
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										#elseif hl
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										var t:hl.BaseType = t;
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										return t.__meta__;
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										#else
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										return untyped t.__meta__;
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										#end
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									}
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									/**
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										Returns the metadata that were declared for the given class static fields
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									**/
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									public static function getStatics(t:Dynamic):Dynamic<Dynamic<Array<Dynamic>>> {
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										var meta = getMeta(t);
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										return (meta == null || meta.statics == null) ? {} : meta.statics;
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									}
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									/**
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										Returns the metadata that were declared for the given class fields or enum constructors
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									**/
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									public static function getFields(t:Dynamic):Dynamic<Dynamic<Array<Dynamic>>> {
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										var meta = getMeta(t);
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										return (meta == null || meta.fields == null) ? {} : meta.fields;
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									}
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								}
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