Merge pull request #5428 from eed3si9n/wip/js

Try to reproduce Scala.js + macro bug

sbt/src/sbt-test/plugins/scala-js-macro/build.sbt

@@ -0,0 +1,13 @@
+ThisBuild / scalaVersion := "2.13.1"
+
+lazy val root = (project in file("."))
+  .aggregate(macroProvider, macroClient)
+
+lazy val macroProvider = (project in file("macro-provider"))
+  .settings(
+    libraryDependencies += scalaVersion("org.scala-lang" % "scala-reflect" % _ ).value
+  )
+
+lazy val macroClient = (project in file("macro-client"))
+  .enablePlugins(ScalaJSPlugin)
+  .dependsOn(macroProvider)

sbt/src/sbt-test/plugins/scala-js-macro/macro-client/Client.scala

@@ -0,0 +1,5 @@
+package macros
+
+object Client {
+  Provider.tree(0)
+}

sbt/src/sbt-test/plugins/scala-js-macro/macro-provider/Provider.scala

@@ -0,0 +1,13 @@
+package macros
+
+import scala.language.experimental.macros
+import scala.reflect.macros.blackbox
+import java.io.File
+
+object Provider {
+  def tree(args: Any): File = macro treeImpl
+  def treeImpl(c: blackbox.Context)(args: c.Expr[Any]): c.Expr[File] = {
+    import c.universe._
+    c.Expr(q"""new java.io.File(".")""")
+  }
+}

sbt/src/sbt-test/plugins/scala-js-macro/macro-provider/changes/Provider.scala

@@ -0,0 +1,8 @@
+package macros
+import scala.language.experimental.macros
+import scala.reflect.macros.blackbox
+
+object Provider {
+  def tree(args: Any): Any = macro treeImpl
+  def treeImpl(c: blackbox.Context)(args: c.Expr[Any]) = sys.error("no macro for you!")
+}

sbt/src/sbt-test/plugins/scala-js-macro/project/plugins.sbt

@@ -0,0 +1 @@
+addSbtPlugin("org.scala-js" % "sbt-scalajs" % "1.0.0")

sbt/src/sbt-test/plugins/scala-js-macro/test

@@ -0,0 +1,16 @@
+# Marked as pending due to StackOverflow error, see
+# https://github.com/sbt/sbt/issues/1544 for details
+
+> compile
+
+# replace macro with one that throws an error
+
+$ copy-file macro-provider/changes/Provider.scala macro-provider/Provider.scala
+
+> macroProvider/compile
+
+-> macroClient/compile
+
+> clean
+
+-> compile

sbt/src/sbt-test/plugins/scala-js/build.sbt

@@ -1,3 +1,7 @@
-scalaVersion := "2.12.3"
+ThisBuild / scalaVersion := "2.13.1"
-enablePlugins(ScalaJSPlugin)
+
-libraryDependencies += "org.scala-js" %%% "scalajs-java-time" % "0.2.2"
+lazy val root = (project in file("."))
+  .enablePlugins(ScalaJSPlugin)
+  .settings(
+    libraryDependencies += "org.scala-js" %%% "scalajs-java-time" % "1.0.0"
+  )

sbt/src/sbt-test/plugins/scala-js/project/extra.sbt

@@ -1 +0,0 @@
-addSbtPlugin("org.scala-js" % "sbt-scalajs" % "0.6.19")

sbt/src/sbt-test/plugins/scala-js/project/plugins.sbt

@@ -0,0 +1 @@
+addSbtPlugin("org.scala-js" % "sbt-scalajs" % "1.0.0")