lihaoyi

  val compilerCache = new CompilerCache(10)
  def compileScala(scalaVersion: String,
                   sources: Path,
                   compileClasspath: Seq[Path],
                   outputPath: Path): PathRef = {
    val binaryScalaVersion = scalaVersion.split('.').dropRight(1).mkString(".")
    def grepJar(s: String) = {
      compileClasspath
        .find(_.toString.endsWith(s))
        .getOrElse(throw new Exception("Cannot find " + s))

lihaoyi

@ case class Cross[T](items: T*){
    def flatMap[V](f: T => Cross[V]): Cross[(T, V)] = {
      val flattened = for{
        i <- items
        k <- f(i).items
      } yield (i, k)
      Cross(flattened:_*)
    }
    def map[V](f: T => V): Cross[(T, V)] = {
      Cross(items.map(i => i -> f(i)):_*)

lihaoyi

package fasterparser

import scala.collection.mutable


object Parse {
  def main(args: Array[String]): Unit = {
    def hello[_:Ctx] = P( "hello" )
    def world[_:Ctx] = P( "world" )
    def helloWorld[_:Ctx] = P( hello.! ~ (" " | ",").rep ~ world.! )

lihaoyi

import scala.reflect.macros.blackbox.Context
import language.experimental.macros
object Applicative {
  def apply[T](t: T): Option[T] = macro Applicative.impl[T]
  def impl[T: c.WeakTypeTag](c: Context)(t: c.Expr[T]): c.Expr[Option[T]] = {
    import c.universe._
    def rec(t: Tree): Iterator[c.Tree] = Iterator(t) ++ t.children.flatMap(rec(_))
    val bound = collection.mutable.Buffer.empty[(c.Tree, ValDef)]
    val defsWithinMacro = rec(t.tree).filter(_.isDef).map(_.symbol).toSet

lihaoyi

java.lang.IllegalArgumentException: Could not find proxy for i: Int in List(value i, method apply$mcVI$sp, <$anon: Function1>, method doPhi, class Thread, package rt, package metascala, package <root>) (currentOwner= value x1 )
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.scala$tools$nsc$transform$LambdaLift$LambdaLifter$$searchIn$1(LambdaLift.scala:326)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.scala$tools$nsc$transform$LambdaLift$LambdaLifter$$searchIn$1(LambdaLift.scala:331)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.scala$tools$nsc$transform$LambdaLift$LambdaLifter$$searchIn$1(LambdaLift.scala:331)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.scala$tools$nsc$transform$LambdaLift$LambdaLifter$$searchIn$1(LambdaLift.scala:331)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.scala$tools$nsc$transform$LambdaLift$LambdaLifter$$searchIn$1(LambdaLift.scala:331)
	at scala.tools.nsc.transform.LambdaLift$LambdaLifter.scala$tools$nsc$transform$LambdaLift$LambdaLifter$$s

lihaoyi

lihaoyi test$ tree
.
└── Foo.scala

0 directories, 1 file
lihaoyi test$ cat Foo.scala
object Main{
  def main(args: Array[String]): Unit = {
    println(getClass.getClassLoader.getResourceAsStream("java/lang/String.class"))
    println(getClass.getClassLoader.getClass)

lihaoyi

lihaoyi test$ cat Test.scala
object Test{
  def main(args: Array[String]): Unit = {
    println(List(1, 2, 3).map(_ + 1))
    println(List(1, 2, 3).map(_ + 1))
    println(List(1, 2, 3).map(_ + 1))
    println(List(1, 2, 3).map(_ + 1))
    println(List(1, 2, 3).map(_ + 1))
  }
}

lihaoyi

package hello

import java.io.ByteArrayOutputStream

import chisel3._
import chisel3.iotesters.{Driver, PeekPokeTester}

sealed trait Op
object Op{
  case class GotoIfZero(dest: Byte, valueAddr: Byte) extends Op

lihaoyi

/**
  * Single-file play framework application! Make sure everything
  * works, as this is the test case that un-earthed #371
  */
load.ivy("com.typesafe.play" %% "play" % "2.5.0")
load.ivy("com.typesafe.play" %% "play-netty-server" % "2.5.0")
load.ivy("org.scalaj" %% "scalaj-http" % "2.2.1")

@

lihaoyi

package demo

import scala.tools.nsc.io.AbstractFile
import scala.tools.nsc.{Global, Phase}
import scala.tools.nsc.plugins.{Plugin, PluginComponent}

class DemoPlugin(val global: Global) extends Plugin {
  import global._
  override def init(options: List[String],  error: String => Unit): Boolean = true