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build.sbt
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build.sbt
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/*
* The new, sbt-based build definition for Scala.
*
* What you see below is very much work-in-progress. The following features are implemented:
* - Compiling all classses for the compiler and library ("compile" in the respective subprojects)
* - Running JUnit ("junit/test"), ScalaCheck ("scalacheck/test"), and partest ("test/it:test") tests
* - Creating build/quick with all compiled classes and launcher scripts ("dist/mkQuick")
* - Creating build/pack with all JARs and launcher scripts ("dist/mkPack")
* - Building all scaladoc sets ("doc")
* - Publishing (standard sbt tasks like "publish" and "publishLocal")
*
* You'll notice that this build definition is much more complicated than your typical sbt build.
* The main reason is that we are not benefiting from sbt's conventions when it comes project
* layout. For that reason we have to configure a lot more explicitly. I've tried explain in
* comments the less obvious settings.
*
* This nicely leads me to explaining goal and non-goals of this build definition. Goals are:
*
* - to be easy to tweak it in case a bug or small inconsistency is found
* - to be super explicit about any departure from standard sbt settings
* - to be readable and not necessarily succinct
* - to provide the nicest development experience for people hacking on Scala
* - originally, to mimic Ant's behavior as closely as possible, so the
* sbt and Ant builds could be maintained in parallel. the Ant build
* has now been removed, so we are now free to depart from that history.
*
* Non-goals are:
*
* - to have the shortest sbt build definition possible
* - to remove irregularities from our build process right away
* (but let's keep making gradual progress on this)
* - to modularize the Scala compiler or library further
*/
import sbt.TestResult
import sbt.testing.TestSelector
import scala.build._
import VersionUtil._
import scala.tools.nsc.util.ScalaClassLoader.URLClassLoader
// Non-Scala dependencies:
val junitDep = "junit" % "junit" % "4.12"
val junitInterfaceDep = "com.novocode" % "junit-interface" % "0.11" % "test"
val jolDep = "org.openjdk.jol" % "jol-core" % "0.9"
val asmDep = "org.scala-lang.modules" % "scala-asm" % versionProps("scala-asm.version")
val jlineDep = "jline" % "jline" % versionProps("jline.version")
val jansiDep = "org.fusesource.jansi" % "jansi" % "1.12"
val testInterfaceDep = "org.scala-sbt" % "test-interface" % "1.0"
val diffUtilsDep = "com.googlecode.java-diff-utils" % "diffutils" % "1.3.0"
lazy val publishSettings : Seq[Setting[_]] = Seq(
credentials ++= {
val file = Path.userHome / ".credentials"
if (file.exists && !file.isDirectory) List(Credentials(file))
else Nil
},
// Add a "default" Ivy configuration because sbt expects the Scala distribution to have one:
ivyConfigurations += Configuration.of("Default", "default", "Default", true, Vector(Configurations.Runtime), true),
publishMavenStyle := true
)
// Set the version number: We use the two settings `baseVersion` and `baseVersionSuffix` to compute all versions
// (canonical, Maven, OSGi). See VersionUtil.versionPropertiesImpl for details. The standard sbt `version` setting
// should not be set directly. It is the same as the Maven version and derived automatically from `baseVersion` and
// `baseVersionSuffix`.
globalVersionSettings
Global / baseVersion := "2.13.1"
Global / baseVersionSuffix := "SNAPSHOT"
ThisBuild / organization := "org.scala-lang"
ThisBuild / homepage := Some(url("https://www.scala-lang.org"))
ThisBuild / startYear := Some(2002)
ThisBuild / licenses += (("Apache-2.0", url("https://www.apache.org/licenses/LICENSE-2.0")))
ThisBuild / headerLicense := Some(HeaderLicense.Custom(
s"""Scala (${(ThisBuild/homepage).value.get})
|
|Copyright EPFL and Lightbend, Inc.
|
|Licensed under Apache License 2.0
|(http://www.apache.org/licenses/LICENSE-2.0).
|
|See the NOTICE file distributed with this work for
|additional information regarding copyright ownership.
|""".stripMargin
))
Global / mimaReferenceVersion := Some("2.13.0")
import com.typesafe.tools.mima.core._
val mimaFilterSettings = Seq(
mimaBinaryIssueFilters ++= Seq(
ProblemFilters.exclude[Problem]("scala.reflect.internal.*"),
ProblemFilters.exclude[DirectMissingMethodProblem]("scala.reflect.runtime.JavaMirrors#JavaMirror.typeTag"),
ProblemFilters.exclude[MissingClassProblem]("scala.reflect.runtime.JavaMirrors$JavaMirror$typeTagCache$"),
ProblemFilters.exclude[DirectMissingMethodProblem]("scala.reflect.api.TypeTags.TypeTagImpl"),
ProblemFilters.exclude[DirectMissingMethodProblem]("scala.reflect.api.Universe.TypeTagImpl"),
ProblemFilters.exclude[MissingClassProblem]("scala.reflect.macros.Attachments$"),
ProblemFilters.exclude[DirectAbstractMethodProblem]("scala.collection.immutable.ArraySeq.stepper"),
ProblemFilters.exclude[ReversedAbstractMethodProblem]("scala.collection.immutable.ArraySeq.stepper"),
ProblemFilters.exclude[DirectAbstractMethodProblem]("scala.collection.mutable.ArraySeq.stepper"),
ProblemFilters.exclude[ReversedAbstractMethodProblem]("scala.collection.mutable.ArraySeq.stepper"),
ProblemFilters.exclude[FinalClassProblem]("scala.collection.ArrayOps$GroupedIterator"),
ProblemFilters.exclude[MissingTypesProblem]("scala.collection.ArrayOps$ArrayIterator$mcB$sp"),
ProblemFilters.exclude[MissingTypesProblem]("scala.collection.ArrayOps$ArrayIterator$mcZ$sp"),
ProblemFilters.exclude[MissingTypesProblem]("scala.collection.ArrayOps$ReverseIterator$mcV$sp"),
ProblemFilters.exclude[MissingTypesProblem]("scala.collection.ArrayOps$ReverseIterator$mcD$sp"),
ProblemFilters.exclude[MissingTypesProblem]("scala.collection.ArrayOps$ArrayIterator$mcJ$sp"),
ProblemFilters.exclude[MissingTypesProblem]("scala.collection.ArrayOps$ArrayIterator$mcV$sp"),
ProblemFilters.exclude[MissingTypesProblem]("scala.collection.ArrayOps$ReverseIterator$mcB$sp"),
ProblemFilters.exclude[MissingTypesProblem]("scala.collection.ArrayOps$GroupedIterator"),
ProblemFilters.exclude[MissingTypesProblem]("scala.collection.ArrayOps$ArrayIterator"),
ProblemFilters.exclude[MissingTypesProblem]("scala.collection.ArrayOps$ReverseIterator$mcF$sp"),
ProblemFilters.exclude[MissingTypesProblem]("scala.collection.ArrayOps$ReverseIterator$mcC$sp"),
ProblemFilters.exclude[MissingTypesProblem]("scala.collection.ArrayOps$ArrayIterator$mcF$sp"),
ProblemFilters.exclude[MissingTypesProblem]("scala.collection.ArrayOps$ReverseIterator"),
ProblemFilters.exclude[MissingTypesProblem]("scala.collection.ArrayOps$ReverseIterator$mcS$sp"),
ProblemFilters.exclude[MissingTypesProblem]("scala.collection.ArrayOps$ReverseIterator$mcI$sp"),
ProblemFilters.exclude[MissingTypesProblem]("scala.collection.ArrayOps$ArrayIterator$mcC$sp"),
ProblemFilters.exclude[MissingTypesProblem]("scala.collection.ArrayOps$ReverseIterator$mcJ$sp"),
ProblemFilters.exclude[MissingTypesProblem]("scala.collection.ArrayOps$ArrayIterator$mcD$sp"),
ProblemFilters.exclude[MissingTypesProblem]("scala.collection.ArrayOps$ReverseIterator$mcZ$sp"),
ProblemFilters.exclude[MissingTypesProblem]("scala.collection.ArrayOps$ArrayIterator$mcI$sp"),
ProblemFilters.exclude[MissingTypesProblem]("scala.collection.ArrayOps$ArrayIterator$mcS$sp"),
),
)
// Save MiMa logs
SavedLogs.settings
Global / scalaVersion := {
if (DottySupport.compileWithDotty)
DottySupport.dottyVersion
else
versionProps("starr.version")
}
lazy val instanceSettings = Seq[Setting[_]](
// we don't cross build Scala itself
crossPaths := false,
// do not add Scala library jar as a dependency automatically
autoScalaLibrary := false,
// Avoid circular dependencies for scalaInstance (see https://github.com/sbt/sbt/issues/1872)
managedScalaInstance := false,
scalaInstance := {
val s = (scalaInstance in bootstrap).value
// sbt claims that s.isManagedVersion is false even though s was resolved by Ivy
// We create a managed copy to prevent sbt from putting it on the classpath where we don't want it
if(s.isManagedVersion) s else {
import sbt.internal.inc.ScalaInstance
val s2 = new ScalaInstance(s.version, s.loader, s.loaderLibraryOnly, s.libraryJar, s.compilerJar, s.allJars, Some(s.actualVersion))
assert(s2.isManagedVersion)
s2
}
},
// sbt endeavours to align both scalaOrganization and scalaVersion
// in the Scala artefacts, for example scala-library and scala-compiler.
// This doesn't work in the scala/scala build because the version of scala-library and the scalaVersion of
// scala-library are correct to be different. So disable overriding.
scalaModuleInfo ~= (_ map (_ withOverrideScalaVersion false)),
Quiet.silenceScalaBinaryVersionWarning
)
lazy val commonSettings = instanceSettings ++ clearSourceAndResourceDirectories ++ publishSettings ++ Seq[Setting[_]](
// we always assume that Java classes are standalone and do not have any dependency
// on Scala classes
compileOrder := CompileOrder.JavaThenScala,
javacOptions in Compile ++= Seq("-g", "-source", "1.8", "-target", "1.8", "-Xlint:unchecked"),
unmanagedJars in Compile := Seq.empty, // no JARs in version control!
sourceDirectory in Compile := baseDirectory.value,
unmanagedSourceDirectories in Compile := List(baseDirectory.value),
unmanagedResourceDirectories in Compile += (baseDirectory in ThisBuild).value / "src" / thisProject.value.id,
sourcesInBase := false,
scalaSource in Compile := (sourceDirectory in Compile).value,
javaSource in Compile := (sourceDirectory in Compile).value,
// resources are stored along source files in our current layout
resourceDirectory in Compile := (sourceDirectory in Compile).value,
// each subproject has to ask specifically for files they want to include
includeFilter in unmanagedResources in Compile := NothingFilter,
target := (baseDirectory in ThisBuild).value / "target" / thisProject.value.id,
classDirectory in Compile := buildDirectory.value / "quick/classes" / thisProject.value.id,
target in Compile in doc := buildDirectory.value / "scaladoc" / thisProject.value.id,
// given that classDirectory and doc target are overridden to be _outside_ of target directory, we have
// to make sure they are being cleaned properly
cleanFiles += (classDirectory in Compile).value,
cleanFiles += (target in Compile in doc).value,
fork in run := true,
connectInput in run := true,
//scalacOptions in Compile += "-deprecation",
//scalacOptions in Compile += "-Xlint:-nullary-override,-inaccessible,-nonlocal-return,_",
//scalacOptions in Compile ++= Seq("-Xmaxerrs", "5", "-Xmaxwarns", "5"),
scalacOptions in Compile in doc ++= Seq(
"-doc-footer", "epfl",
"-diagrams",
"-implicits",
"-groups",
"-doc-version", versionProperties.value.canonicalVersion,
"-doc-title", description.value,
"-sourcepath", (baseDirectory in ThisBuild).value.toString,
"-doc-source-url", s"https://github.com/scala/scala/tree/${versionProperties.value.githubTree}€{FILE_PATH_EXT}#L€{FILE_LINE}"
),
//maxErrors := 10,
setIncOptions,
apiURL := Some(url("https://www.scala-lang.org/api/" + versionProperties.value.mavenVersion + "/")),
pomIncludeRepository := { _ => false },
pomExtra := {
<scm>
<connection>scm:git:git://github.com/scala/scala.git</connection>
<url>https://github.com/scala/scala.git</url>
</scm>
<issueManagement>
<system>GitHub</system>
<url>https://github.com/scala/bug/issues</url>
</issueManagement>
<developers>
<developer>
<id>lamp</id>
<name>LAMP/EPFL</name>
</developer>
<developer>
<id>Lightbend</id>
<name>Lightbend, Inc.</name>
</developer>
</developers>
},
headerLicense := (ThisBuild / headerLicense).value,
// Remove auto-generated manifest attributes
packageOptions in Compile in packageBin := Seq.empty,
packageOptions in Compile in packageSrc := Seq.empty,
// Lets us CTRL-C partest without exiting SBT entirely
cancelable in Global := true,
// Don't log process output (e.g. of forked `compiler/runMain ...Main`), just pass it
// directly to stdout
outputStrategy in run := Some(StdoutOutput)
) ++ removePomDependencies ++ setForkedWorkingDirectory ++ (
if (DottySupport.compileWithDotty)
DottySupport.commonSettings
else
Seq()
)
/** Extra post-processing for the published POM files. These are needed to create POMs that
* are equivalent to the ones from the old Ant build. In the long term this should be removed and
* POMs, scaladocs, OSGi manifests, etc. should all use the same metadata. */
def fixPom(extra: (String, scala.xml.Node)*): Setting[_] = {
/** Find elements in an XML document by a simple XPath and replace them */
def fixXML(n: scala.xml.Node, repl: Map[String, scala.xml.Node]): scala.xml.Node = {
def f(n: scala.xml.Node, p: String): scala.xml.Node = n match {
case e: scala.xml.Elem =>
val pp = p + "/" + e.label
repl.get(pp) match {
case Some(xml) => xml
case None => e.copy(child = e.child.map(ch => f(ch, pp)))
}
case n => n
}
f(n, "")
}
pomPostProcess := { n => fixXML(pomPostProcess.value.apply(n), Map(
"/project/organization" ->
<organization>
<name>LAMP/EPFL</name>
<url>https://lamp.epfl.ch/</url>
</organization>,
"/project/url" -> <url>https://www.scala-lang.org/</url>
) ++ extra) }
}
val pomDependencyExclusions =
settingKey[Seq[(String, String)]]("List of (groupId, artifactId) pairs to exclude from the POM and ivy.xml")
pomDependencyExclusions in Global := Nil
/** Remove unwanted dependencies from the POM and ivy.xml. */
lazy val removePomDependencies: Seq[Setting[_]] = Seq(
pomPostProcess := { n =>
val n2 = pomPostProcess.value.apply(n)
val deps = pomDependencyExclusions.value
import scala.xml._
import scala.xml.transform._
new RuleTransformer(new RewriteRule {
override def transform(node: Node) = node match {
case e: Elem if e.label == "dependency" &&
deps.exists { case (g, a) =>
e.child.contains(<groupId>{g}</groupId>) &&
(e.child.contains(<artifactId>{a}</artifactId>) || e.child.contains(<artifactId>{a + "_" + scalaBinaryVersion.value}</artifactId>))
} => Seq.empty
case n => Seq(n)
}
}).transform(Seq(n2)).head
},
deliverLocal := {
import scala.xml._
import scala.xml.transform._
val f = deliverLocal.value
val deps = pomDependencyExclusions.value
val e = new RuleTransformer(new RewriteRule {
override def transform(node: Node) = node match {
case e: Elem if e.label == "dependency" && {
val org = e.attribute("org").getOrElse("").toString
val name = e.attribute("name").getOrElse("").toString
deps.exists { case (g, a) =>
org == g && (name == a || name == (a + "_" + scalaBinaryVersion.value))
}
} => Seq.empty
case n => Seq(n)
}
}).transform(Seq(XML.loadFile(f))).head
XML.save(f.getAbsolutePath, e, xmlDecl = true)
f
}
)
val disableDocs = Seq[Setting[_]](
sources in (Compile, doc) := Seq.empty,
publishArtifact in (Compile, packageDoc) := false
)
lazy val setJarLocation: Setting[_] =
artifactPath in packageBin in Compile := {
// two lines below are copied over from sbt's sources:
// https://github.com/sbt/sbt/blob/0.13/main/src/main/scala/sbt/Defaults.scala#L628
//val resolvedScalaVersion = ScalaVersion((scalaVersion in artifactName).value, (scalaBinaryVersion in artifactName).value)
//val resolvedArtifactName = artifactName.value(resolvedScalaVersion, projectID.value, artifact.value)
// if you would like to get a jar with version number embedded in it (as normally sbt does)
// uncomment the other definition of the `resolvedArtifactName`
val resolvedArtifact = artifact.value
val resolvedArtifactName = s"${resolvedArtifact.name}.${resolvedArtifact.extension}"
buildDirectory.value / "pack/lib" / resolvedArtifactName
}
lazy val scalaSubprojectSettings: Seq[Setting[_]] = commonSettings :+ setJarLocation
def filterDocSources(ff: FileFilter): Seq[Setting[_]] = Seq(
sources in (Compile, doc) ~= (_.filter(ff.accept)),
// Excluded sources may still be referenced by the included sources, so we add the compiler
// output to the scaladoc classpath to resolve them. For the `library` project this is
// always required because otherwise the compiler cannot even initialize Definitions without
// binaries of the library on the classpath. Specifically, we get this error:
// (library/compile:doc) scala.reflect.internal.FatalError: package class scala does not have a member Int
dependencyClasspath in (Compile, doc) += (classDirectory in Compile).value,
doc in Compile := (doc in Compile).dependsOn(compile in Compile).value
)
def regexFileFilter(s: String): FileFilter = new FileFilter {
val pat = s.r.pattern
def accept(f: File) = pat.matcher(f.getAbsolutePath.replace('\\', '/')).matches()
}
def setForkedWorkingDirectory: Seq[Setting[_]] = {
// When we fork subprocesses, use the base directory as the working directory.
// This enables `sbt> partest test/files/run/t1.scala` or `sbt> scalac sandbox/test.scala`
val setting = (forkOptions in Compile) := (forkOptions in Compile).value.withWorkingDirectory((baseDirectory in ThisBuild).value)
setting ++ inTask(run)(setting)
}
// This project provides the STARR scalaInstance for bootstrapping
lazy val bootstrap = project in file("target/bootstrap")
lazy val library = configureAsSubproject(project)
.settings(generatePropertiesFileSettings)
.settings(Osgi.settings)
.settings(AutomaticModuleName.settings("scala.library"))
.settings(
name := "scala-library",
description := "Scala Standard Library",
scalacOptions in Compile ++= Seq[String]("-sourcepath", (scalaSource in Compile).value.toString),
scalacOptions in Compile in doc ++= {
val libraryAuxDir = (baseDirectory in ThisBuild).value / "src/library-aux"
Seq(
"-doc-no-compile", libraryAuxDir.toString,
"-skip-packages", "scala.concurrent.impl",
"-doc-root-content", (sourceDirectory in Compile).value + "/rootdoc.txt"
)
},
scalacOptions in (Compile, console) := {
val opts = (scalacOptions in console).value
val ix = (scalacOptions in console).value.indexOfSlice(Seq[String]("-sourcepath", (scalaSource in Compile).value.toString))
opts.patch(ix, Nil, 2)
},
includeFilter in unmanagedResources in Compile := "*.tmpl" | "*.xml" | "*.js" | "*.css" | "rootdoc.txt",
// Include *.txt files in source JAR:
mappings in Compile in packageSrc ++= {
val base = (unmanagedResourceDirectories in Compile).value
base ** "*.txt" pair Path.relativeTo(base)
},
Osgi.headers += "Import-Package" -> "sun.misc;resolution:=optional, *",
Osgi.jarlist := true,
fixPom(
"/project/name" -> <name>Scala Library</name>,
"/project/description" -> <description>Standard library for the Scala Programming Language</description>,
"/project/packaging" -> <packaging>jar</packaging>
),
mimaPreviousArtifacts := mimaReferenceVersion.value.map(organization.value % name.value % _).toSet,
mimaCheckDirection := "both",
mimaFilterSettings,
)
.settings(filterDocSources("*.scala" -- regexFileFilter(".*/scala/runtime/.*")))
.settings(
if (DottySupport.compileWithDotty)
DottySupport.librarySettings
else
Seq()
)
lazy val reflect = configureAsSubproject(project)
.settings(generatePropertiesFileSettings)
.settings(Osgi.settings)
.settings(AutomaticModuleName.settings("scala.reflect"))
.settings(
name := "scala-reflect",
description := "Scala Reflection Library",
Osgi.bundleName := "Scala Reflect",
scalacOptions in Compile in doc ++= Seq(
"-skip-packages", "scala.reflect.macros.internal:scala.reflect.internal:scala.reflect.io"
),
Osgi.headers +=
"Import-Package" -> (raw"""scala.*;version="$${range;[==,=+);$${ver}}",""" +
raw"""scala.tools.nsc;resolution:=optional;version="$${range;[==,=+);$${ver}}",""" +
"*"),
fixPom(
"/project/name" -> <name>Scala Compiler</name>,
"/project/description" -> <description>Compiler for the Scala Programming Language</description>,
"/project/packaging" -> <packaging>jar</packaging>
),
mimaPreviousArtifacts := mimaReferenceVersion.value.map(organization.value % name.value % _).toSet,
mimaCheckDirection := "both",
mimaFilterSettings,
)
.dependsOn(library)
lazy val compiler = configureAsSubproject(project)
.settings(generatePropertiesFileSettings)
.settings(generateBuildCharacterFileSettings)
.settings(Osgi.settings)
.settings(AutomaticModuleName.settings("scala.tools.nsc"))
.settings(
name := "scala-compiler",
description := "Scala Compiler",
libraryDependencies += asmDep,
// These are only needed for the POM:
// TODO: jline dependency is only needed for the REPL shell, which should move to its own jar
libraryDependencies ++= Seq(jlineDep, jansiDep),
buildCharacterPropertiesFile := (resourceManaged in Compile).value / "scala-buildcharacter.properties",
resourceGenerators in Compile += generateBuildCharacterPropertiesFile.map(file => Seq(file)).taskValue,
// this a way to make sure that classes from interactive and scaladoc projects
// end up in compiler jar. note that we need to use LocalProject references
// (with strings) to deal with mutual recursion
products in Compile in packageBin :=
(products in Compile in packageBin).value ++
Seq((dependencyClasspath in Compile).value.find(_.get(moduleID.key).map(id => (id.organization, id.name, id.revision)).contains((asmDep.organization, asmDep.name, asmDep.revision))).get.data) ++
(products in Compile in packageBin in LocalProject("interactive")).value ++
(products in Compile in packageBin in LocalProject("scaladoc")).value ++
(products in Compile in packageBin in LocalProject("repl")).value ++
(products in Compile in packageBin in LocalProject("repl-frontend")).value,
includeFilter in unmanagedResources in Compile :=
"*.tmpl" | "*.xml" | "*.js" | "*.css" | "*.html" | "*.properties" | "*.swf" |
"*.png" | "*.gif" | "*.gif" | "*.txt",
// Also include the selected unmanaged resources and source files from the additional projects in the source JAR:
mappings in Compile in packageSrc ++= {
val base = (unmanagedResourceDirectories in Compile).value ++
(unmanagedResourceDirectories in Compile in LocalProject("interactive")).value ++
(unmanagedResourceDirectories in Compile in LocalProject("scaladoc")).value ++
(unmanagedResourceDirectories in Compile in LocalProject("repl")).value
base ** ((includeFilter in unmanagedResources in Compile).value || "*.scala" || "*.psd" || "*.ai" || "*.java") pair Path.relativeTo(base)
},
// Include the additional projects in the scaladoc JAR:
sources in Compile in doc ++= {
val base =
(unmanagedSourceDirectories in Compile in LocalProject("interactive")).value ++
(unmanagedSourceDirectories in Compile in LocalProject("scaladoc")).value ++
(unmanagedSourceDirectories in Compile in LocalProject("repl")).value
((base ** ("*.scala" || "*.java"))
--- (base ** "Scaladoc*ModelTest.scala") // exclude test classes that depend on partest
).get
},
scalacOptions in Compile in doc ++= Seq(
"-doc-root-content", (sourceDirectory in Compile).value + "/rootdoc.txt"
),
Osgi.headers ++= Seq(
"Import-Package" -> ("jline.*;resolution:=optional," +
raw"""scala.*;version="$${range;[==,=+);$${ver}}",""" +
"*"),
"Class-Path" -> "scala-reflect.jar scala-library.jar"
),
// Generate the ScriptEngineFactory service definition. The old Ant build did this when building
// the JAR but sbt has no support for it and it is easier to do as a resource generator:
generateServiceProviderResources("javax.script.ScriptEngineFactory" -> "scala.tools.nsc.interpreter.shell.Scripted$Factory"),
managedResourceDirectories in Compile := Seq((resourceManaged in Compile).value),
fixPom(
"/project/name" -> <name>Scala Compiler</name>,
"/project/description" -> <description>Compiler for the Scala Programming Language</description>,
"/project/packaging" -> <packaging>jar</packaging>
),
apiURL := None,
pomDependencyExclusions += (("org.scala-lang.modules", "scala-asm"))
)
.dependsOn(library, reflect)
lazy val interactive = configureAsSubproject(project)
.settings(disableDocs)
.settings(skip in publish := true)
.settings(
name := "scala-compiler-interactive",
description := "Scala Interactive Compiler"
)
.dependsOn(compiler)
lazy val repl = configureAsSubproject(project)
.settings(disableDocs)
.settings(skip in publish := true)
.dependsOn(compiler, interactive)
lazy val replFrontend = configureAsSubproject(Project("repl-frontend", file(".") / "src" / "repl-frontend"))
.settings(disableDocs)
.settings(skip in publish := true)
.settings(
libraryDependencies += jlineDep,
name := "scala-repl-frontend"
)
.settings(
connectInput in run := true,
run := (run in Compile).partialInput(" -usejavacp").evaluated // Automatically add this so that `repl/run` works without additional arguments.
)
.dependsOn(repl)
lazy val scaladoc = configureAsSubproject(project)
.settings(disableDocs)
.settings(skip in publish := true)
.settings(
name := "scala-compiler-doc",
description := "Scala Documentation Generator",
includeFilter in unmanagedResources in Compile := "*.html" | "*.css" | "*.gif" | "*.png" | "*.js" | "*.txt" | "*.svg" | "*.eot" | "*.woff" | "*.ttf",
libraryDependencies ++= ScaladocSettings.webjarResoources,
resourceGenerators in Compile += ScaladocSettings.extractResourcesFromWebjar
)
.dependsOn(compiler)
lazy val scalap = configureAsSubproject(project)
.settings(
description := "Scala Bytecode Parser",
// Include decoder.properties
includeFilter in unmanagedResources in Compile := "*.properties",
fixPom(
"/project/name" -> <name>Scalap</name>,
"/project/description" -> <description>bytecode analysis tool</description>,
"/project/properties" -> scala.xml.Text("")
),
headerLicense := Some(HeaderLicense.Custom(
s"""Scala classfile decoder (${(ThisBuild/homepage).value.get})
|
|Copyright EPFL and Lightbend, Inc.
|
|Licensed under Apache License 2.0
|(http://www.apache.org/licenses/LICENSE-2.0).
|
|See the NOTICE file distributed with this work for
|additional information regarding copyright ownership.
|""".stripMargin)),
Compile / headerSources ~= { xs =>
val excluded = Set("Memoisable.scala", "Result.scala", "Rule.scala", "Rules.scala", "SeqRule.scala")
xs filter { x => !excluded(x.getName) }
},
Compile / headerResources := Nil
)
.dependsOn(compiler)
lazy val partest = configureAsSubproject(project)
.dependsOn(library, reflect, compiler, replFrontend, scalap, scaladoc, testkit)
.settings(Osgi.settings)
.settings(AutomaticModuleName.settings("scala.partest"))
.settings(
name := "scala-partest",
description := "Scala Compiler Testing Tool",
libraryDependencies ++= List(testInterfaceDep, diffUtilsDep),
pomDependencyExclusions ++= List((organization.value, "scala-repl-frontend"), (organization.value, "scala-compiler-doc")),
fixPom(
"/project/name" -> <name>Scala Partest</name>,
"/project/description" -> <description>Scala Compiler Testing Tool</description>,
"/project/packaging" -> <packaging>jar</packaging>
)
)
lazy val scalacheckLib = project.in(file("src") / "scalacheck")
.dependsOn(library)
.settings(commonSettings)
.settings(disableDocs)
.settings(skip in publish := true)
.settings(
name := "scalacheck-lib",
libraryDependencies += testInterfaceDep
)
// An instrumented version of BoxesRunTime and ScalaRunTime for partest's "specialized" test category
lazy val specLib = project.in(file("test") / "instrumented")
.dependsOn(library, reflect, compiler)
.settings(commonSettings)
.settings(disableDocs)
.settings(skip in publish := true)
.settings(
sourceGenerators in Compile += Def.task {
import scala.collection.JavaConverters._
val srcBase = (sourceDirectories in Compile in library).value.head / "scala/runtime"
val targetBase = (sourceManaged in Compile).value / "scala/runtime"
def patch(srcFile: String, patchFile: String): File = try {
val p = difflib.DiffUtils.parseUnifiedDiff(IO.readLines(baseDirectory.value / patchFile).asJava)
val r = difflib.DiffUtils.patch(IO.readLines(srcBase / srcFile).asJava, p)
val target = targetBase / srcFile
IO.writeLines(target, r.asScala)
target
} catch { case ex: Exception =>
streams.value.log.error(s"Error patching $srcFile: $ex")
throw ex
}
IO.createDirectory(targetBase)
Seq(
patch("BoxesRunTime.java", "boxes.patch"),
patch("ScalaRunTime.scala", "srt.patch")
)
}.taskValue
)
// The scala version used by the benchmark suites, leave undefined to use the ambient version.")
def benchmarkScalaVersion = System.getProperty("benchmark.scala.version", "")
lazy val bench = project.in(file("test") / "benchmarks")
.dependsOn((if (benchmarkScalaVersion == "") Seq[sbt.ClasspathDep[sbt.ProjectReference]](library, compiler) else Nil): _*)
.settings(if (benchmarkScalaVersion == "") instanceSettings else Seq(scalaVersion := benchmarkScalaVersion, crossPaths := false))
.settings(disableDocs)
.settings(skip in publish := true)
.enablePlugins(JmhPlugin)
.settings(
name := "test-benchmarks",
autoScalaLibrary := false,
crossPaths := true, // needed to enable per-scala-version source directories (https://github.com/sbt/sbt/pull/1799)
libraryDependencies += "org.openjdk.jol" % "jol-core" % "0.6",
libraryDependencies ++= {
if (benchmarkScalaVersion == "") Nil
else "org.scala-lang" % "scala-compiler" % benchmarkScalaVersion :: Nil
},
scalacOptions ++= Seq("-feature", "-opt:l:inline", "-opt-inline-from:**")
).settings(inConfig(JmhPlugin.JmhKeys.Jmh)(scalabuild.JitWatchFilePlugin.jitwatchSettings))
lazy val testkit = configureAsSubproject(project)
.dependsOn(library)
.settings(Osgi.settings)
.settings(AutomaticModuleName.settings("scala.testkit"))
.settings(
name := "scala-testkit",
description := "Scala Compiler Testkit",
scalacOptions in Compile += "-feature",
libraryDependencies ++= Seq(junitDep, asmDep),
unmanagedSourceDirectories in Compile := List(baseDirectory.value),
fixPom(
"/project/name" -> <name>Scala Testkit</name>,
"/project/description" -> <description>Scala Compiler Testing Tool</description>,
"/project/packaging" -> <packaging>jar</packaging>
)
)
lazy val junit = project.in(file("test") / "junit")
.dependsOn(testkit, compiler, replFrontend, scaladoc)
.settings(commonSettings)
//.settings(scalacOptions in Compile += "-Xlint:-nullary-unit,-adapted-args")
.settings(disableDocs)
.settings(skip in publish := true)
.settings(
fork in Test := true,
javaOptions in Test += "-Xss1M",
(forkOptions in Test) := (forkOptions in Test).value.withWorkingDirectory((baseDirectory in ThisBuild).value),
(forkOptions in Test in testOnly) := (forkOptions in Test in testOnly).value.withWorkingDirectory((baseDirectory in ThisBuild).value),
scalacOptions in Compile += "-feature",
libraryDependencies ++= Seq(junitInterfaceDep, jolDep, diffUtilsDep),
testOptions += Tests.Argument(TestFrameworks.JUnit, "-a", "-v"),
unmanagedSourceDirectories in Compile := Nil,
unmanagedSourceDirectories in Test := List(baseDirectory.value)
)
lazy val scalacheck = project.in(file("test") / "scalacheck")
.dependsOn(library, reflect, compiler, scaladoc, scalacheckLib)
.settings(commonSettings)
.settings(disableDocs)
.settings(skip in publish := true)
.settings(
// Enable forking to workaround https://github.com/sbt/sbt/issues/4009. We also need a lazy Framework
// written in Java to further reduce ClassLoader problems when bootstrapping:
fork in Test := true,
testFrameworks := Seq(TestFramework("org.scalacheck.LazyFramework")),
// When we switch to sbt 1.3.0 it should be possible to set the ClassLoaderLayeringStrategy instead:
//classLoaderLayeringStrategy in Test := ClassLoaderLayeringStrategy.Flat,
// customise framework for early access to https://github.com/rickynils/scalacheck/pull/388
// TODO remove this when we upgrade scalacheck
//testFrameworks := Seq(TestFramework("org.scalacheck.CustomScalaCheckFramework")),
javaOptions in Test += "-Xss1M",
//Make scalacheck print full stack traces
testOptions in Test += Tests.Argument(TestFramework("org.scalacheck.LazyFramework"), "-verbosity", "2"),
unmanagedSourceDirectories in Compile := Nil,
unmanagedSourceDirectories in Test := List(baseDirectory.value)
)
lazy val osgiTestFelix = osgiTestProject(
project.in(file(".") / "target" / "osgiTestFelix"),
"org.apache.felix" % "org.apache.felix.framework" % "5.6.10")
lazy val osgiTestEclipse = osgiTestProject(
project.in(file(".") / "target" / "osgiTestEclipse"),
"org.eclipse.tycho" % "org.eclipse.osgi" % "3.13.0.v20180226-1711")
def osgiTestProject(p: Project, framework: ModuleID) = p
.dependsOn(library, reflect, compiler)
.settings(commonSettings)
.settings(disableDocs)
.settings(skip in publish := true)
.settings(
fork in Test := true,
parallelExecution in Test := false,
libraryDependencies ++= {
val paxExamVersion = "4.11.0" // Last version which supports Java 9+
Seq(
junitDep,
junitInterfaceDep,
"org.ops4j.pax.exam" % "pax-exam-container-native" % paxExamVersion,
"org.ops4j.pax.exam" % "pax-exam-junit4" % paxExamVersion,
"org.ops4j.pax.exam" % "pax-exam-link-assembly" % paxExamVersion,
"org.ops4j.pax.url" % "pax-url-aether" % "2.4.1",
"org.ops4j.pax.swissbox" % "pax-swissbox-tracker" % "1.8.1",
"ch.qos.logback" % "logback-core" % "1.1.3",
"ch.qos.logback" % "logback-classic" % "1.1.3",
"org.slf4j" % "slf4j-api" % "1.7.12",
framework % "test"
)
},
Keys.test in Test := (Keys.test in Test).dependsOn(packageBin in Compile).value,
Keys.testOnly in Test := (Keys.testOnly in Test).dependsOn(packageBin in Compile).evaluated,
testOptions += Tests.Argument(TestFrameworks.JUnit, "-a", "-v", "-q"),
javaOptions in Test += "-Dscala.bundle.dir=" + (buildDirectory in ThisBuild).value / "osgi",
(forkOptions in Test in test) := (forkOptions in Test in test).value.withWorkingDirectory((baseDirectory in ThisBuild).value),
unmanagedSourceDirectories in Test := List((baseDirectory in ThisBuild).value / "test" / "osgi" / "src"),
unmanagedResourceDirectories in Compile := (unmanagedSourceDirectories in Test).value,
includeFilter in unmanagedResources in Compile := "*.xml",
packageBin in Compile := { // Put the bundle JARs required for the tests into build/osgi
val targetDir = (buildDirectory in ThisBuild).value / "osgi"
val mappings = ((mkPack in dist).value / "lib").listFiles.collect {
case f if f.getName.startsWith("scala-") && f.getName.endsWith(".jar") => (f, targetDir / f.getName)
}
IO.copy(mappings, CopyOptions() withOverwrite true)
targetDir
},
cleanFiles += (buildDirectory in ThisBuild).value / "osgi"
)
lazy val partestJavaAgent = Project("partest-javaagent", file(".") / "src" / "partest-javaagent")
.settings(commonSettings)
.settings(generatePropertiesFileSettings)
.settings(disableDocs)
.settings(
libraryDependencies += asmDep,
skip in publish := true,
// Setting name to "scala-partest-javaagent" so that the jar file gets that name, which the Runner relies on
name := "scala-partest-javaagent",
description := "Scala Compiler Testing Tool (compiler-specific java agent)",
// add required manifest entry - previously included from file
packageOptions in (Compile, packageBin) +=
Package.ManifestAttributes( "Premain-Class" -> "scala.tools.partest.javaagent.ProfilingAgent" ),
// we need to build this to a JAR
exportJars := true
)
lazy val test = project
.dependsOn(compiler, interactive, replFrontend, scalap, partest, partestJavaAgent, scaladoc)
.disablePlugins(plugins.JUnitXmlReportPlugin)
.configs(IntegrationTest)
.settings(commonSettings)
//.settings(scalacOptions in Compile -= "-Xlint:-nullary-override,-inaccessible,-nonlocal-return,_") // as in common settings
.settings(disableDocs)
.settings(skip in publish := true)
.settings(Defaults.itSettings)
.settings(
libraryDependencies ++= Seq(asmDep),
// no main sources
sources in Compile := Seq.empty,
// test sources are compiled in partest run, not here
sources in IntegrationTest := Seq.empty,
fork in IntegrationTest := true,
// enable this in 2.13, when tests pass
//scalacOptions in Compile += "-Yvalidate-pos:parser,typer",
javaOptions in IntegrationTest ++= List("-Xmx2G", "-Dpartest.exec.in.process=true", "-Dfile.encoding=UTF-8", "-Duser.language=en", "-Duser.country=US"),
testOptions in IntegrationTest += Tests.Argument("-Dfile.encoding=UTF-8", "-Duser.language=en", "-Duser.country=US"),
testFrameworks += new TestFramework("scala.tools.partest.sbt.Framework"),
testOptions in IntegrationTest += Tests.Argument("-Dpartest.java_opts=-Xmx1024M -Xms64M"),
testOptions in IntegrationTest += Tests.Argument("-Dpartest.scalac_opts=" + (scalacOptions in Compile).value.mkString(" ")),
(forkOptions in IntegrationTest) := (forkOptions in IntegrationTest).value.withWorkingDirectory((baseDirectory in ThisBuild).value),
testOptions in IntegrationTest += {
val cp = (dependencyClasspath in Test).value
val baseDir = (baseDirectory in ThisBuild).value
val instrumentedJar = (packagedArtifact in (LocalProject("specLib"), Compile, packageBin)).value._2
Tests.Setup { () =>
// Copy instrumented.jar (from specLib)to the location where partest expects it.
IO.copyFile(instrumentedJar, baseDir / "test/files/speclib/instrumented.jar")
}
},
definedTests in IntegrationTest += new sbt.TestDefinition(
"partest",
// marker fingerprint since there are no test classes
// to be discovered by sbt:
new sbt.testing.AnnotatedFingerprint {
def isModule = true
def annotationName = "partest"
}, true, Array()
),
executeTests in IntegrationTest := {
val log = streams.value.log
val result = (executeTests in IntegrationTest).value
val result2 = (executeTests in Test).value
if (result.overall != TestResult.Error && result.events.isEmpty) {
// workaround for https://github.com/sbt/sbt/issues/2722
log.error("No test events found")
result2.copy(overall = TestResult.Error)
}
else result
},
testListeners in IntegrationTest += new PartestTestListener(target.value)
)
lazy val manual = configureAsSubproject(project)
.settings(disableDocs)
.settings(skip in publish := true)
.settings(
libraryDependencies += "org.scala-lang" % "scala-library" % scalaVersion.value,
classDirectory in Compile := (target in Compile).value / "classes"
)
lazy val scalaDist = Project("scala-dist", file(".") / "target" / "scala-dist-dist-src-dummy")
.settings(commonSettings)
.settings(disableDocs)
.settings(
mappings in Compile in packageBin ++= {
val binBaseDir = buildDirectory.value / "pack"
val binMappings = (mkBin in dist).value.pair(Path.relativeTo(binBaseDir), errorIfNone = false)
// With the way the resource files are spread out over the project sources we can't just add
// an unmanagedResourceDirectory, so we generate the mappings manually:
val docBaseDir = (baseDirectory in ThisBuild).value
val docMappings = (docBaseDir / "doc").allPaths pair Path.relativeTo(docBaseDir)
val resBaseDir = (baseDirectory in ThisBuild).value / "src/manual/scala/tools/docutil/resources"
val resMappings = resBaseDir ** ("*.html" | "*.css" | "*.gif" | "*.png") pair (p => Path.relativeTo(resBaseDir)(p).map("doc/tools/" + _))
docMappings ++ resMappings ++ binMappings
},
resourceGenerators in Compile += Def.task {
val command = "fsc, scala, scalac, scaladoc, scalap"
val htmlOut = (resourceManaged in Compile).value / "doc/tools"
val manOut = (resourceManaged in Compile).value / "genman"
val fixedManOut = (resourceManaged in Compile).value / "man"
IO.createDirectory(htmlOut)
IO.createDirectory(manOut / "man1")
runner.value.run("scala.tools.docutil.ManMaker",
(fullClasspath in Compile in manual).value.files,
Seq(command, htmlOut.getAbsolutePath, manOut.getAbsolutePath),
streams.value.log).failed foreach (sys error _.getMessage)
(manOut ** "*.1" pair Path.rebase(manOut, fixedManOut)).foreach { case (in, out) =>
// Generated manpages should always use LF only. There doesn't seem to be a good reason
// for generating them with the platform EOL first and then converting them but that's
// what the old Ant build did.
IO.write(out, IO.readBytes(in).filterNot(_ == '\r'))
}
(htmlOut ** "*.html").get ++ (fixedManOut ** "*.1").get
}.taskValue,
managedResourceDirectories in Compile := Seq((resourceManaged in Compile).value),
libraryDependencies += jlineDep,
apiURL := None,
fixPom(
"/project/name" -> <name>Scala Distribution Artifacts</name>,
"/project/description" -> <description>The Artifacts Distributed with Scala</description>,
"/project/packaging" -> <packaging>jar</packaging>
),
publishArtifact in (Compile, packageSrc) := false
)
.dependsOn(library, reflect, compiler, scalap)
def partestOnly(in: String): Def.Initialize[Task[Unit]] =
(testOnly in IntegrationTest in testP).toTask(" -- --terse " + in)
def partestDesc(in: String): Def.Initialize[Task[(Result[Unit], String)]] =
partestOnly(in).result map (_ -> s"partest $in")
lazy val root: Project = (project in file("."))
.settings(disableDocs)
.settings(skip in publish := true)
.settings(generateBuildCharacterFileSettings)
.settings(
commands ++= ScriptCommands.all,
extractBuildCharacterPropertiesFile := {
val jar = (scalaInstance in bootstrap).value.allJars.find(_.getName contains "-compiler").get
val bc = buildCharacterPropertiesFile.value
val packagedName = "scala-buildcharacter.properties"
IO.withTemporaryDirectory { tmp =>
val extracted = IO.unzip(jar, tmp, new SimpleFilter(_ == packagedName)).headOption.getOrElse {
throw new RuntimeException(s"No file $packagedName found in bootstrap compiler $jar")
}
IO.copyFile(extracted, bc)
bc
}
},
// Generate (Product|TupleN|Function|AbstractFunction)*.scala files and scaladoc stubs for all AnyVal sources.
// They should really go into a managedSources dir instead of overwriting sources checked into git but scaladoc
// source links (could be fixed by shipping these sources with the scaladoc bundles) and scala-js source maps
// rely on them being on github.
commands += Command.command("generateSources") { state =>
val dir = ((baseDirectory in ThisBuild).value / "src" / "library" / "scala").getAbsoluteFile
genprod.run(dir)
GenerateAnyVals.run(dir)
GenerateFunctionConverters.run(dir)
state
},
// ../docs.scala-lang/_data/compiler-options.yml
commands += Command.command("generateDocsData") { state =>
val dir = (((baseDirectory in ThisBuild).value) / ".." / "docs.scala-lang" / "_data")
val target = if (dir.exists) dir else ((baseDirectory in ThisBuild).value)
GenerateDocsData.run(target.getAbsoluteFile)
state
},
testJDeps := TestJDeps.testJDepsImpl.value,
testJarSize := TestJarSize.testJarSizeImpl.value,
testAll := {
val results = ScriptCommands.sequence[(Result[Unit], String)](List(
SavedLogs.clearSavedLogs.result map (_ -> "clearSavedLogs"),
(testOnly in Test in junit).toTask(" -- +v").result map (_ -> "junit/test"),
(Keys.test in Test in scalacheck).result map (_ -> "scalacheck/test"),
partestDesc("run"),
partestDesc("pos neg jvm"),
partestDesc("res scalap specialized"),
partestDesc("instrumented presentation"),
partestDesc("--srcpath scaladoc"),
partestDesc("-Dpartest.scalac_opts=-Ymacro-annotations --srcpath macro-annot"),
(Keys.test in Test in osgiTestFelix).result map (_ -> "osgiTestFelix/test"),
(Keys.test in Test in osgiTestEclipse).result map (_ -> "osgiTestEclipse/test"),
(mimaReportBinaryIssues in library).result map (_ -> "library/mimaReportBinaryIssues"),
(mimaReportBinaryIssues in reflect).result map (_ -> "reflect/mimaReportBinaryIssues"),
testJDeps.result map (_ -> "testJDeps"),
testJarSize.result map (_ -> "testJarSize"),
(compile in Compile in bench).map(_ => ()).result map (_ -> "bench/compile"),
Def.task(()).dependsOn( // Run these in parallel:
doc in Compile in library,
doc in Compile in reflect,
doc in Compile in compiler,
doc in Compile in scalap
).result map (_ -> "doc")
)).value
val log = streams.value.log
val failed = results.collect { case (Inc(i), d) => (i, d) }
if (failed.nonEmpty) {
def showScopedKey(k: Def.ScopedKey[_]): String =
Vector(
k.scope.project.toOption.map {
case p: ProjectRef => p.project
case p => p
}.map(_ + "/"),
k.scope.config.toOption.map(_.name + ":"),
k.scope.task.toOption.map(_.label + "::")
).flatten.mkString + k.key
val loggedThis, loggedAny = new scala.collection.mutable.HashSet[String]
def findRootCauses(i: Incomplete, currentTask: String): Vector[(String, Option[Throwable])] = {
val sk = i.node match {
case Some(t: Task[_]) =>
t.info.attributes.entries.collect { case e if e.key == Keys.taskDefinitionKey => e.value.asInstanceOf[Def.ScopedKey[_]] }
.headOption.map(showScopedKey)
case _ => None
}
val task = sk.getOrElse(currentTask)
val dup = sk.map(s => !loggedAny.add(s)).getOrElse(false)
if(sk.map(s => !loggedThis.add(s)).getOrElse(false)) Vector.empty
else i.directCause match {
case Some(e) => Vector((task, if(dup) None else Some(e)))
case None => i.causes.toVector.flatMap(ch => findRootCauses(ch, task))
}
}
log.error(" ")
log.error(s"${failed.size} of ${results.length} test tasks failed:")
failed.foreach { case (i, d) =>
log.error(s"- $d")
loggedThis.clear
findRootCauses(i, "<unkown task>").foreach {
case (task, Some(ex)) => log.error(s" - $task failed: $ex")
case (task, None) => log.error(s" - ($task failed)")
}
}
SavedLogs.showSavedLogsImpl(s => log.error(s))
throw new MessageOnlyException("testAll failed due to previous errors")
}
},
setIncOptions
)
.aggregate(library, reflect, compiler, interactive, repl, replFrontend,
scaladoc, scalap, testkit, partest, junit, scalaDist).settings(