Avoid use of Java Reflection (restructure part 5)

README.md

@@ -93,23 +93,19 @@ This library is
 on Maven repository and can be added to the SBT configuration of Scala project.
 
 ```scala
-libraryDependencies += "org.scorexfoundation" %% "sigma-state" % "4.0.3"
+libraryDependencies += "org.scorexfoundation" %% "sigma-state" % "5.0.6"
 ```
 
 ## Repository Organization
 
-| sub-module  | description |
-|---|-----|
-| common | Used in all other submodules and contain basic utility classes |
-| core   | Implementation of graph-based intermediate representation of ErgoTree, which is used in cost estimation and interpretation |
-| docs   | Collection of documents |
-| library | Implementation of graph IR nodes for Coll, Size and other types  |
-| library-api | Declarations of interfaces   |
-| library-impl | Implementation of interfaces   |
-| sigma-api | Declarations of runtime interfaces which are used in ErgoTree interpreter  |
-| sigma-impl | Implementation of sigma-api interfaces   |
-| sigma-library | Implementation of graph IR nodes for Sigma types   |
-| sigmastate | Implementation ErgoTree, Interpreter and cost estimation   |
+| sub-module  | description                                                                               |
+|-------------|-------------------------------------------------------------------------------------------|
+| common      | Used in all other submodules and contain basic utility classes                            |
+| core-lib    | Contains core classes such as Coll, BigInt used by interpreter                            |
+| docs        | Collection of documents                                                                   |
+| graph-ir    | Implementation of graph-based intermediate representation of ErgoTree, which is used in by ErgoScript compiler |
+| interpreter | Implementation of ErgoTree Interpreter                                                    |
+| sc          | Implementation of ErgoScript compiler                                                     |
 
 ## Contributing
 

build.sbt

@@ -70,13 +70,27 @@ dynverSonatypeSnapshots in ThisBuild := true
 dynverSeparator in ThisBuild := "-"
 
 val bouncycastleBcprov = "org.bouncycastle" % "bcprov-jdk15on" % "1.66"
-val scrypto            = "org.scorexfoundation" %% "scrypto" % "2.3.0-RC1"
+val scrypto            = "org.scorexfoundation" %% "scrypto" % "2.3.0"
 val scorexUtil         = "org.scorexfoundation" %% "scorex-util" % "0.2.0"
 val debox              = "org.scorexfoundation" %% "debox" % "0.10.0"
 val spireMacros        = "org.typelevel" %% "spire-macros" % "0.17.0-M1"
 val fastparse          = "com.lihaoyi" %% "fastparse" % "2.3.3"
 val scalaCompat        = "org.scala-lang.modules" %% "scala-collection-compat" % "2.7.0"
 
+lazy val circeCore211 = "io.circe" %% "circe-core" % "0.10.0"
+lazy val circeGeneric211 = "io.circe" %% "circe-generic" % "0.10.0"
+lazy val circeParser211 = "io.circe" %% "circe-parser" % "0.10.0"
+
+lazy val circeCore = "io.circe" %% "circe-core" % "0.13.0"
+lazy val circeGeneric = "io.circe" %% "circe-generic" % "0.13.0"
+lazy val circeParser = "io.circe" %% "circe-parser" % "0.13.0"
+
+def circeDeps(scalaVersion: String) = if (scalaVersion == scala211)
+  Seq(circeCore211, circeGeneric211, circeParser211)
+else
+  Seq(circeCore, circeGeneric, circeParser)
+
+
 val testingDependencies = Seq(
   "org.scalatest" %% "scalatest" % "3.2.14" % Test,
   "org.scalactic" %% "scalactic" % "3.2.14" % Test,
@@ -101,19 +115,7 @@ libraryDependencies ++= Seq(
   scorexUtil,
   "org.bouncycastle" % "bcprov-jdk15on" % "1.+",
   fastparse, debox, spireMacros, scalaCompat
-) ++ testingDependencies ++
-  (if (scalaVersion.value == scala211)
-    Seq(circeCore211, circeGeneric211, circeParser211)
-  else
-    Seq(circeCore, circeGeneric, circeParser))
-
-lazy val circeCore211 = "io.circe" %% "circe-core" % "0.10.0"
-lazy val circeGeneric211 = "io.circe" %% "circe-generic" % "0.10.0"
-lazy val circeParser211 = "io.circe" %% "circe-parser" % "0.10.0"
-
-lazy val circeCore = "io.circe" %% "circe-core" % "0.13.0"
-lazy val circeGeneric = "io.circe" %% "circe-generic" % "0.13.0"
-lazy val circeParser = "io.circe" %% "circe-parser" % "0.13.0"
+) ++ testingDependencies ++ circeDeps(scalaVersion.value)
 
 scalacOptions ++= Seq("-feature", "-deprecation")
 
@@ -152,76 +154,43 @@ lazy val common = Project("common", file("common"))
     ))
   .settings(publish / skip := true)
 
-lazy val libraryapi = Project("library-api", file("library-api"))
+lazy val corelib = Project("core-lib", file("core-lib"))
   .dependsOn(common % allConfigDependency)
-  .settings(libraryDefSettings, 
-    libraryDependencies ++= Seq())
-  .settings(publish / skip := true)
-
-lazy val libraryimpl = Project("library-impl", file("library-impl"))
-  .dependsOn(libraryapi % allConfigDependency)
   .settings(libraryDefSettings,
-    libraryDependencies ++= Seq( debox ))
+    libraryDependencies ++= Seq( debox, scrypto ))
   .settings(publish / skip := true)
 
-lazy val core = Project("core", file("core"))
-  .dependsOn(common % allConfigDependency, libraryapi % allConfigDependency)
-  .settings(libraryDefSettings,
-    libraryDependencies ++= Seq( debox ))
-  .settings(publish / skip := true)
-
-lazy val library = Project("library", file("library"))
-  .dependsOn(common % allConfigDependency, core % allConfigDependency, libraryapi, libraryimpl)
+lazy val graphir = Project("graph-ir", file("graph-ir"))
+  .dependsOn(common % allConfigDependency, corelib)
   .settings(
     libraryDefSettings,
-    libraryDependencies ++= Seq( debox ))
+    libraryDependencies ++= Seq( debox, scrypto, bouncycastleBcprov ))
   .settings(publish / skip := true)
 
-lazy val sigmaapi = Project("sigma-api", file("sigma-api"))
-  .dependsOn(common, libraryapi)
-  .settings(libraryDefSettings,
-    libraryDependencies ++= Seq(
-      scrypto, bouncycastleBcprov
-    ))
-  .settings(publish / skip := true)
-
-lazy val sigmalibrary = Project("sigma-library", file("sigma-library"))
-  .dependsOn(
-    common % allConfigDependency,
-    core % allConfigDependency,
-    libraryapi % allConfigDependency,
-    libraryimpl % allConfigDependency,
-    library % allConfigDependency,
-    sigmaapi % allConfigDependency)
-  .settings(libraryDefSettings,
-    libraryDependencies ++= Seq(
-      scrypto,
-      bouncycastleBcprov
-    ))
+lazy val interpreter = (project in file("interpreter"))
+  .dependsOn(graphir % allConfigDependency)
+  .settings(libraryDefSettings)
+  .settings(libraryDependencies ++=
+      Seq(scorexUtil, fastparse) ++ circeDeps(scalaVersion.value)
+  )
   .settings(publish / skip := true)
 
-lazy val sigmastate = (project in file("sigmastate"))
-  .dependsOn(sigmalibrary % allConfigDependency)
+lazy val sc = (project in file("sc"))
+  .dependsOn(graphir % allConfigDependency, interpreter % allConfigDependency)
   .settings(libraryDefSettings)
-  .settings(libraryDependencies ++= Seq(
-    scorexUtil, fastparse,
-    if (scalaVersion.value == scala211) circeCore211 else circeCore,
-    if (scalaVersion.value == scala211) circeGeneric211 else circeGeneric,
-    if (scalaVersion.value == scala211) circeParser211 else circeParser
-    ))
+  .settings(libraryDependencies ++=
+      Seq(scorexUtil, fastparse) ++ circeDeps(scalaVersion.value)
+  )
   .settings(publish / skip := true)
 
 lazy val sigma = (project in file("."))
-  .aggregate(
-    sigmastate, common, core, libraryapi, libraryimpl, library,
-    sigmaapi, sigmalibrary)
+  .aggregate(common, corelib, graphir, interpreter, sc)
   .settings(libraryDefSettings, rootSettings)
   .settings(publish / aggregate := false)
   .settings(publishLocal / aggregate := false)
 
 lazy val aggregateCompile = ScopeFilter(
-  inProjects(common, core, libraryapi, libraryimpl, library, sigmaapi,
-    sigmalibrary, sigmastate),
+  inProjects(common, corelib, graphir, interpreter, sc),
   inConfigurations(Compile))
 
 lazy val rootSettings = Seq(

common/src/main/scala/scalan/package.scala

@@ -1,5 +1,4 @@
 
-import scala.language.experimental.macros
 import scala.reflect.ClassTag
 
 package object scalan {

common/src/main/scala/scalan/reflection/CommonReflection.scala

@@ -0,0 +1,74 @@
+package scalan.reflection
+
+import scala.collection.compat.immutable.ArraySeq
+import scala.collection.mutable
+import scala.collection.immutable
+
+/** 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[_]]
+
+  /** 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))
+  }
+
+  registerClassEntry(classOf[Boolean])
+
+  registerClassEntry(classOf[Byte])
+
+  registerClassEntry(classOf[Short])
+
+  registerClassEntry(classOf[Int])
+
+  registerClassEntry(classOf[Long])
+
+  registerClassEntry(classOf[Product2[_, _]])
+
+  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[_]])
+      }
+    )
+  )
+
+  { 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])
+        }
+      )
+    )
+  }
+
+  { 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])
+        }
+      )
+    )
+  }
+
+}