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69 lines
1.8 KiB
Haxe
69 lines
1.8 KiB
Haxe
package funkin.util.macro;
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import haxe.rtti.Meta;
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/**
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* A complement to `ClassMacro`. See `ClassMacro` for more information.
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*/
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class CompiledClassList
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{
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static var classLists:Map<String, List<Class<Dynamic>>>;
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/**
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* Class lists are injected into this class's metadata during the typing phase.
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* This function extracts the metadata, at runtime, and stores it in `classLists`.
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*/
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static function init():Void
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{
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classLists = [];
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// Meta.getType returns Dynamic<Array<Dynamic>>.
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var metaData = Meta.getType(CompiledClassList);
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if (metaData.classLists != null)
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{
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for (list in metaData.classLists)
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{
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var data:Array<Dynamic> = cast list;
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// First element is the list ID.
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var id:String = cast data[0];
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// All other elements are class types.
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var classes:List<Class<Dynamic>> = new List();
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for (i in 1...data.length)
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{
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var className:String = cast data[i];
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// var classType:Class<Dynamic> = cast data[i];
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var classType:Class<Dynamic> = cast Type.resolveClass(className);
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classes.push(classType);
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}
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classLists.set(id, classes);
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}
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}
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else
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{
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throw "Class lists not properly generated. Try cleaning out your export folder, restarting your IDE, and rebuilding your project.";
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}
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}
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public static function get(request:String):List<Class<Dynamic>>
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{
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if (classLists == null) init();
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if (!classLists.exists(request))
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{
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trace('[WARNING] Class list $request not properly generated. Please debug the build macro.');
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classLists.set(request, new List()); // Make the error only appear once.
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}
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return classLists.get(request);
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}
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public static inline function getTyped<T>(request:String, type:Class<T>):List<Class<T>>
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{
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return cast get(request);
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}
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}
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