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Merge pull request #873 from ScorexFoundation/v5.0.7-RC
Release candidate v5.0.7
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| Original file line number | Diff line number | Diff line change |
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| @@ -1,5 +1,4 @@ | ||
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| import scala.language.experimental.macros | ||
| import scala.reflect.ClassTag | ||
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| package object scalan { | ||
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common/src/main/scala/scalan/reflection/CommonReflection.scala
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| @@ -0,0 +1,74 @@ | ||
| package scalan.reflection | ||
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| import scala.collection.compat.immutable.ArraySeq | ||
| import scala.collection.mutable | ||
| import scala.collection.immutable | ||
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| /** Reflection metadata and global dictionaries to access it. | ||
| * For each class of this module that needs reflection metadata, | ||
| * we register a class entry with the necessary information. | ||
| * Only information that is needed at runtime is registered. | ||
| */ | ||
| object CommonReflection { | ||
| /** Descriptors of classes. */ | ||
| val classes = mutable.HashMap.empty[Class[_], SRClass[_]] | ||
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| /** Registers a class entry in the map of classes. | ||
| * | ||
| * @tparam T the type of the class to be registered | ||
| * @param clazz the class to be registered | ||
| * @param constructors the constructors of the class | ||
| * @param fields the fields of the class | ||
| * @param methods the methods of the class (represented as a map of method names and argument types to the corresponding RMethod instances) | ||
| */ | ||
| def registerClassEntry[T](clazz: Class[T], | ||
| constructors: Seq[SRConstructor[_]] = ArraySeq.empty, | ||
| fields: Map[String, SRField] = Map.empty, | ||
| methods: Map[(String, Seq[Class[_]]), RMethod] = Map.empty): Unit = classes.synchronized { | ||
| classes.put(clazz, new SRClass(clazz, constructors, fields, methods)) | ||
| } | ||
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| registerClassEntry(classOf[Boolean]) | ||
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| registerClassEntry(classOf[Byte]) | ||
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| registerClassEntry(classOf[Short]) | ||
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| registerClassEntry(classOf[Int]) | ||
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| registerClassEntry(classOf[Long]) | ||
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| registerClassEntry(classOf[Product2[_, _]]) | ||
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| registerClassEntry(classOf[immutable.$colon$colon[_]], | ||
| constructors = Array( | ||
| mkConstructor(Array(classOf[java.lang.Object], classOf[immutable.List[_]])) { args => | ||
| new immutable.$colon$colon(args(0).asInstanceOf[java.lang.Object], args(1).asInstanceOf[immutable.List[_]]) | ||
| } | ||
| ) | ||
| ) | ||
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| { val clazz = classOf[scala.Option[_]] | ||
| registerClassEntry(clazz, | ||
| methods = Map( | ||
| mkMethod(clazz, "filter", Array(classOf[scala.Function1[_,_]])) { (obj, args) => | ||
| obj.asInstanceOf[Option[Any]].filter(args(0).asInstanceOf[Any => Boolean]) | ||
| }, | ||
| mkMethod(clazz, "map", Array(classOf[scala.Function1[_,_]])) { (obj, args) => | ||
| obj.asInstanceOf[Option[Any]].map(args(0).asInstanceOf[Any => Any]) | ||
| } | ||
| ) | ||
| ) | ||
| } | ||
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| { val clazz = classOf[scala.Some[_]] | ||
| registerClassEntry(clazz, | ||
| constructors = Array( | ||
| mkConstructor(Array(classOf[java.lang.Object])) { args => | ||
| new scala.Some(args(0).asInstanceOf[java.lang.Object]) | ||
| } | ||
| ) | ||
| ) | ||
| } | ||
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| } |
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