Merge pull request http4s#1816 from rossabaker/scala-2.12.6

Upgrade to scala-2.12.6, drop macro-compat

Author: rossabaker

.appveyor.yml

@@ -5,7 +5,7 @@ environment:
     TEST_SUITE: test
   matrix:
     - SCALA_VERSION: 2.11.12
-    - SCALA_VERSION: 2.12.4
+    - SCALA_VERSION: 2.12.6
 
 install:
   - ps: |

.travis.yml

@@ -12,11 +12,11 @@ env:
 matrix:
   include:
   - jdk: oraclejdk8
-    scala: 2.12.4
+    scala: 2.12.6
   - jdk: oraclejdk8
     scala: 2.11.12
   - jdk: oraclejdk9
-    scala: 2.12.4
+    scala: 2.12.6
 notifications:
   webhooks:
     urls:

build.sbt

@@ -28,13 +28,11 @@ lazy val core = libraryProject("core")
       fs2Scodec,
       http4sWebsocket,
       log4s,
-      macroCompat,
       parboiled,
       scalaReflect(scalaOrganization.value, scalaVersion.value) % "provided",
       scodecBits,
       scalaCompiler(scalaOrganization.value, scalaVersion.value) % "provided"
     ),
-    macroParadiseSetting
   )
 
 lazy val testing = libraryProject("testing")
@@ -45,7 +43,6 @@ lazy val testing = libraryProject("testing")
       scalacheck,
       specs2Core
     ),
-    macroParadiseSetting
   )
   .dependsOn(core)
 
@@ -265,7 +262,6 @@ lazy val docs = http4sProject("docs")
       circeLiteral,
       cryptobits
     ),
-    macroParadiseSetting,
     description := "Documentation for http4s",
     autoAPIMappings := true,
     unidocProjectFilter in (ScalaUnidoc, unidoc) := inAnyProject --
@@ -377,7 +373,6 @@ lazy val examplesBlaze = exampleProject("examples-blaze")
     description := "Examples of http4s server and clients on blaze",
     fork := true,
     libraryDependencies ++= Seq(alpnBoot, metricsJson),
-    macroParadiseSetting,
     javaOptions in run ++= (managedClasspath in Runtime).map { attList =>
       for {
         file <- attList.map(_.data)

core/src/main/scala/org/http4s/QValue.scala

@@ -1,7 +1,6 @@
 package org.http4s
 
 import cats._
-import macrocompat.bundle
 import org.http4s.internal.parboiled2.{Parser => PbParser}
 import org.http4s.util.Writer
 import org.http4s.parser.{AdditionalRules, Http4sParser}
@@ -96,7 +95,6 @@ object QValue extends QValueInstances with QValueFunctions {
   /** Exists to support compile-time verified literals. Do not call directly. */
   def ☠(thousandths: Int): QValue = new QValue(thousandths)
 
-  @bundle
   class Macros(val c: Context) {
     import c.universe._
 

core/src/main/scala/org/http4s/Uri.scala

@@ -3,7 +3,6 @@ package org.http4s
 import cats._
 import cats.implicits.{catsSyntaxEither => _, _}
 import java.nio.charset.StandardCharsets
-import macrocompat.bundle
 import org.http4s.Uri._
 import org.http4s.internal.parboiled2.{Parser => PbParser}
 import org.http4s.internal.parboiled2.CharPredicate.{Alpha, Digit}
@@ -119,7 +118,6 @@ final case class Uri(
 }
 
 object Uri extends UriFunctions {
-  @bundle
   class Macros(val c: Context) {
     import c.universe._
 

docs/src/main/tut/methods.md

@@ -9,13 +9,13 @@ Http4s has a list of all the [methods] you're familiar with, and a few more.
 
 ```tut:book
 import cats.effect._
-import io.circe.generic._
+import io.circe.generic.auto._
 import io.circe.syntax._
 import org.http4s._, org.http4s.dsl.io._
 import org.http4s.circe._
 
-@JsonCodec case class TweetWithId(id: Int, message: String)
-@JsonCodec case class Tweet(message: String)
+case class TweetWithId(id: Int, message: String)
+case class Tweet(message: String)
 
 def getTweet(tweetId: Int): IO[Option[TweetWithId]] = ???
 def addTweet(tweet: Tweet): IO[TweetWithId] = ???

docs/src/main/tut/service.md

@@ -10,7 +10,7 @@ and calling it with http4s' client.
 Create a new directory, with the following build.sbt in the root:
 
 ```scala
-scalaVersion := "2.12.4" // Also supports 2.11.x
+scalaVersion := "2.12.6" // Also supports 2.11.x
 
 val http4sVersion = "{{< version "http4s.doc" >}}"
 

project/Http4sPlugin.scala

@@ -61,7 +61,7 @@ object Http4sPlugin extends AutoPlugin {
   ) ++ signingSettings
 
   override lazy val projectSettings: Seq[Setting[_]] = Seq(
-    scalaVersion := (sys.env.get("TRAVIS_SCALA_VERSION") orElse sys.env.get("SCALA_VERSION") getOrElse "2.12.4"),
+    scalaVersion := (sys.env.get("TRAVIS_SCALA_VERSION") orElse sys.env.get("SCALA_VERSION") getOrElse "2.12.6"),
 
     // Rig will take care of this on production builds.  We haven't fully
     // implemented that machinery yet, so we're going to live without this
@@ -227,9 +227,6 @@ object Http4sPlugin extends AutoPlugin {
     }
   }
 
-  val macroParadiseSetting =
-    libraryDependencies += compilerPlugin("org.scalamacros" % "paradise" % "2.1.1" cross CrossVersion.full)
-
   def latestPerMinorVersion(file: File): Map[(Int, Int), Version] =
     JGit(file).tags.collect {
       case ref if ref.getName.startsWith("refs/tags/v") =>
@@ -285,7 +282,6 @@ object Http4sPlugin extends AutoPlugin {
   lazy val jspApi                           = "javax.servlet.jsp"      %  "javax.servlet.jsp-api"     % "2.3.1" // YourKit hack
   lazy val log4s                            = "org.log4s"              %% "log4s"                     % "1.6.1"
   lazy val logbackClassic                   = "ch.qos.logback"         %  "logback-classic"           % "1.2.3"
-  lazy val macroCompat                      = "org.typelevel"          %% "macro-compat"              % "1.1.1"
   lazy val metricsCore                      = "io.dropwizard.metrics"  %  "metrics-core"              % "4.0.2"
   lazy val metricsJson                      = "io.dropwizard.metrics"  %  "metrics-json"              % metricsCore.revision
   lazy val prometheusClient                 = "io.prometheus"          %  "simpleclient_common"       % "0.3.0"

testing/src/test/scala/org/http4s/illTyped.scala

@@ -31,7 +31,6 @@ object illTyped {
   def apply(code: String, expected: String): Unit = macro IllTypedMacros.applyImpl
 }
 
-@macrocompat.bundle
 class IllTypedMacros(val c: whitebox.Context) {
   import c.universe._
 

website/src/hugo/content/changelog.md

@@ -9,6 +9,7 @@ ordered chronologically, so each release contains all changes described below
 it.
 
 # v0.18.10-SNAPSHOT
+* Eliminate dependency on Macro Paradise and macro-compat [#1816](https://github.com/http4s/http4s/pull/1816)
 * Dependency upgrades:
   * cats-effect-0.10.1
   * fs2-0.10.4