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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 tests ("test") and partest ("test/it:test")
* - 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 ("publishDists" and 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 VersionUtil._
// Scala dependencies:
val scalaSwingDep = scalaDep("org.scala-lang.modules", "scala-swing")
val scalaXmlDep = scalaDep("org.scala-lang.modules", "scala-xml")
val scalaParserCombinatorsDep = scalaDep("org.scala-lang.modules", "scala-parser-combinators")
val partestDep = scalaDep("org.scala-lang.modules", "scala-partest", versionProp = "partest")
// Non-Scala dependencies:
val junitDep = "junit" % "junit" % "4.11"
val junitInterfaceDep = "com.novocode" % "junit-interface" % "0.11" % "test"
val jolDep = "org.openjdk.jol" % "jol-core" % "0.5"
val asmDep = "org.scala-lang.modules" % "scala-asm" % versionProps("scala-asm.version")
val jlineDep = "jline" % "jline" % versionProps("jline.version")
val antDep = "org.apache.ant" % "ant" % "1.9.4"
/** Publish to ./dists/maven-sbt, similar to the Ant build which publishes to ./dists/maven. This
* can be used to compare the output of the sbt and Ant builds during the transition period. Any
* real publishing should be done with sbt's standard `publish` task. */
lazy val publishDists = taskKey[Unit]("Publish to ./dists/maven-sbt.")
lazy val publishSettings : Seq[Setting[_]] = Seq(
publishDists := {
val artifacts = (packagedArtifacts in publish).value
val ver = VersionUtil.versionProperties.value.canonicalVersion
val log = streams.value.log
val mappings = artifacts.toSeq.map { case (a, f) =>
val typeSuffix = a.`type` match {
case "pom" => "-pom.xml"
case "jar" => ".jar"
case "doc" => "-docs.jar"
case tpe => s"-$tpe.${a.extension}"
}
val to = file("dists/maven-sbt") / ver / a.name / (a.name + typeSuffix)
log.info(s"Publishing $f to $to")
(f, to)
}
IO.copy(mappings)
},
credentials ++= {
val file = Path.userHome / ".credentials"
if (file.exists) List(Credentials(file))
else Nil
},
// Add a "default" Ivy configuration because sbt expects the Scala distribution to have one:
ivyConfigurations += Configuration("default", "Default", true, List(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
baseVersion in Global := "2.12.0"
baseVersionSuffix in Global := "SNAPSHOT"
mimaReferenceVersion in Global := None
lazy val commonSettings = clearSourceAndResourceDirectories ++ publishSettings ++ Seq[Setting[_]](
organization := "org.scala-lang",
// 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 {
val s2 = new ScalaInstance(s.version, s.loader, s.libraryJar, s.compilerJar, s.extraJars, Some(s.actualVersion))
assert(s2.isManagedVersion)
s2
}
},
scalaVersion := (scalaVersion in bootstrap).value,
// 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,
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,
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}.scala#L1"
),
incOptions <<= (incOptions in LocalProject("root")),
homepage := Some(url("http://www.scala-lang.org")),
startYear := Some(2002),
licenses += (("BSD 3-Clause", url("http://www.scala-lang.org/license.html"))),
apiURL := Some(url("http://www.scala-lang.org/api/" + versionProperties.value.mavenVersion + "/")),
pomIncludeRepository := { _ => false },
pomExtra := {
val base =
<scm>
<connection>scm:git:git://github.com/scala/scala.git</connection>
<url>https://github.com/scala/scala.git</url>
</scm>
<issueManagement>
<system>JIRA</system>
<url>https://issues.scala-lang.org/</url>
</issueManagement>
<developers>
<developer>
<id>lamp</id>
<name>EPFL LAMP</name>
</developer>
<developer>
<id>Lightbend</id>
<name>Lightbend, Inc.</name>
</developer>
</developers>
apiURL.value match {
case Some(url) => base ++
<properties>
<info.apiURL>{url.toString}</info.apiURL>
</properties>
case None => base
}
},
// 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,
// 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`
baseDirectory in Compile := (baseDirectory in ThisBuild).value,
baseDirectory in Test := (baseDirectory in ThisBuild).value,
// Don't log process output (e.g. of forked `compiler/runMain ...Main`), just pass it
// directly to stdout
outputStrategy in run := Some(StdoutOutput),
Quiet.silenceScalaBinaryVersionWarning
)
/** Extra post-processing for the published POM files. These are needed to create POMs that
* are equivalent to the ones from the 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>http://lamp.epfl.ch/</url>
</organization>,
"/project/url" -> <url>http://www.scala-lang.org/</url>
) ++ extra) }
}
/** Remove unwanted dependencies from the POM and ivy.xml. */
def removePomDependencies(deps: (String, String)*): Seq[Setting[_]] = Seq(
pomPostProcess := { n =>
val n2 = pomPostProcess.value.apply(n)
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 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
)
val disablePublishing = Seq[Setting[_]](
publishArtifact := false,
// The above is enough for Maven repos but it doesn't prevent publishing of ivy.xml files
publish := {},
publishLocal := {}
)
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)
)
def regexFileFilter(s: String): FileFilter = new FileFilter {
val pat = s.r.pattern
def accept(f: File) = pat.matcher(f.getAbsolutePath.replace('\\', '/')).matches()
}
// This project provides the STARR scalaInstance for bootstrapping
lazy val bootstrap = (project in file("target/bootstrap")).settings(
scalaVersion := versionProps("starr.version")
)
lazy val library = configureAsSubproject(project)
.settings(generatePropertiesFileSettings: _*)
.settings(Osgi.settings: _*)
.settings(
name := "scala-library",
description := "Scala Standard Library",
compileOrder := CompileOrder.Mixed, // needed for JFunction classes in scala.runtime.java8
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"
)
},
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 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>
)
)
.settings(filterDocSources("*.scala" -- (regexFileFilter(".*/runtime/.*\\$\\.scala") ||
regexFileFilter(".*/runtime/ScalaRunTime\\.scala") ||
regexFileFilter(".*/runtime/StringAdd\\.scala"))): _*)
.settings(MiMa.settings: _*)
lazy val reflect = configureAsSubproject(project)
.settings(generatePropertiesFileSettings: _*)
.settings(Osgi.settings: _*)
.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" -> ("scala.*;version=\"${range;[==,=+);${ver}}\","+
"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>
)
)
.settings(MiMa.settings: _*)
.dependsOn(library)
lazy val compiler = configureAsSubproject(project)
.settings(generatePropertiesFileSettings: _*)
.settings(Osgi.settings: _*)
.settings(
name := "scala-compiler",
description := "Scala Compiler",
libraryDependencies ++= Seq(antDep, asmDep),
// These are only needed for the POM:
libraryDependencies ++= Seq(scalaXmlDep, jlineDep % "optional"),
// 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) == Some(asmDep)).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-jline")).value ++
(products in Compile in packageBin in LocalProject("repl-jline-embedded")).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 relativeTo(base)
},
scalacOptions in Compile in doc ++= Seq(
"-doc-root-content", (sourceDirectory in Compile).value + "/rootdoc.txt"
),
Osgi.headers ++= Seq(
"Import-Package" -> ("jline.*;resolution:=optional," +
"org.apache.tools.ant.*;resolution:=optional," +
"scala.xml.*;version=\"${range;[====,====];"+versionNumber("scala-xml")+"}\";resolution:=optional," +
"scala.*;version=\"${range;[==,=+);${ver}}\"," +
"*"),
"Class-Path" -> "scala-reflect.jar scala-library.jar"
),
// Generate the ScriptEngineFactory service definition. The Ant build does this when building
// the JAR but sbt has no support for it and it is easier to do as a resource generator:
generateServiceProviderResources("javax.script.ScriptEngineFactory" -> "scala.tools.nsc.interpreter.IMain$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
)
.settings(removePomDependencies(
("org.apache.ant", "ant"),
("org.scala-lang.modules", "scala-asm")
): _*)
.dependsOn(library, reflect)
lazy val interactive = configureAsSubproject(project)
.settings(disableDocs: _*)
.settings(disablePublishing: _*)
.settings(
name := "scala-compiler-interactive",
description := "Scala Interactive Compiler"
)
.dependsOn(compiler)
lazy val repl = configureAsSubproject(project)
.settings(disableDocs: _*)
.settings(disablePublishing: _*)
.settings(
connectInput in run := true,
run <<= (run in Compile).partialInput(" -usejavacp") // Automatically add this so that `repl/run` works without additional arguments.
)
.dependsOn(compiler, interactive)
lazy val replJline = configureAsSubproject(Project("repl-jline", file(".") / "src" / "repl-jline"))
.settings(disableDocs: _*)
.settings(disablePublishing: _*)
.settings(
libraryDependencies += jlineDep,
name := "scala-repl-jline"
)
.dependsOn(repl)
lazy val replJlineEmbedded = Project("repl-jline-embedded", file(".") / "target" / "repl-jline-embedded-src-dummy")
.settings(scalaSubprojectSettings: _*)
.settings(disablePublishing: _*)
.settings(
name := "scala-repl-jline-embedded",
// There is nothing to compile for this project. Instead we use the compile task to create
// shaded versions of repl-jline and jline.jar. dist/mkBin puts all of quick/repl,
// quick/repl-jline and quick/repl-jline-shaded on the classpath for quick/bin scripts.
// This is different from the Ant build where all parts are combined into quick/repl, but
// it is cleaner because it avoids circular dependencies.
compile in Compile <<= (compile in Compile).dependsOn(Def.task {
import java.util.jar._
import collection.JavaConverters._
val inputs: Iterator[JarJar.Entry] = {
val repljlineClasses = (products in Compile in replJline).value.flatMap(base => Path.allSubpaths(base).map(x => (base, x._1)))
val jlineJAR = (dependencyClasspath in Compile).value.find(_.get(moduleID.key) == Some(jlineDep)).get.data
val jarFile = new JarFile(jlineJAR)
val jarEntries = jarFile.entries.asScala.filterNot(_.isDirectory).map(entry => JarJar.JarEntryInput(jarFile, entry))
def compiledClasses = repljlineClasses.iterator.map { case (base, file) => JarJar.FileInput(base, file) }
(jarEntries ++ compiledClasses).filter(x =>
x.name.endsWith(".class") || x.name.endsWith(".properties") || x.name.startsWith("META-INF/native") || x.name.startsWith("META-INF/maven")
)
}
import JarJar.JarJarConfig._
val config: Seq[JarJar.JarJarConfig] = Seq(
Rule("org.fusesource.**", "scala.tools.fusesource_embedded.@1"),
Rule("jline.**", "scala.tools.jline_embedded.@1"),
Rule("scala.tools.nsc.interpreter.jline.**", "scala.tools.nsc.interpreter.jline_embedded.@1"),
Keep("scala.tools.**")
)
val outdir = (classDirectory in Compile).value
JarJar(inputs, outdir, config)
}),
connectInput in run := true
)
.dependsOn(replJline)
lazy val scaladoc = configureAsSubproject(project)
.settings(disableDocs: _*)
.settings(disablePublishing: _*)
.settings(
name := "scala-compiler-doc",
description := "Scala Documentation Generator",
libraryDependencies ++= Seq(scalaXmlDep, partestDep),
includeFilter in unmanagedResources in Compile := "*.html" | "*.css" | "*.gif" | "*.png" | "*.js" | "*.txt" | "*.svg" | "*.eot" | "*.woff" | "*.ttf"
)
.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("")
)
)
.dependsOn(compiler)
lazy val partestExtras = configureAsSubproject(Project("partest-extras", file(".") / "src" / "partest-extras"))
.dependsOn(replJlineEmbedded)
.settings(clearSourceAndResourceDirectories: _*)
.settings(disableDocs: _*)
.settings(disablePublishing: _*)
.settings(
name := "scala-partest-extras",
description := "Scala Compiler Testing Tool (compiler-specific extras)",
libraryDependencies += partestDep,
unmanagedSourceDirectories in Compile := List(baseDirectory.value)
)
lazy val junit = project.in(file("test") / "junit")
.dependsOn(library, reflect, compiler, partestExtras, scaladoc)
.settings(clearSourceAndResourceDirectories: _*)
.settings(commonSettings: _*)
.settings(disableDocs: _*)
.settings(disablePublishing: _*)
.settings(
fork in Test := true,
javaOptions in Test += "-Xss1M",
libraryDependencies ++= Seq(junitDep, junitInterfaceDep, jolDep),
testOptions += Tests.Argument(TestFrameworks.JUnit, "-a", "-v"),
testFrameworks -= new TestFramework("org.scalacheck.ScalaCheckFramework"),
unmanagedSourceDirectories in Test := List(baseDirectory.value)
)
lazy val osgiTestFelix = osgiTestProject(
project.in(file(".") / "target" / "osgiTestFelix"),
"org.apache.felix" % "org.apache.felix.framework" % "5.0.1")
lazy val osgiTestEclipse = osgiTestProject(
project.in(file(".") / "target" / "osgiTestEclipse"),
"org.eclipse.tycho" % "org.eclipse.osgi" % "3.10.100.v20150521-1310")
def osgiTestProject(p: Project, framework: ModuleID) = p
.dependsOn(library, reflect, compiler)
.settings(clearSourceAndResourceDirectories: _*)
.settings(commonSettings: _*)
.settings(disableDocs: _*)
.settings(disablePublishing: _*)
.settings(
fork in Test := true,
parallelExecution in Test := false,
libraryDependencies ++= {
val paxExamVersion = "4.5.0" // Last version which supports Java 6
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),
testOptions += Tests.Argument(TestFrameworks.JUnit, "-a", "-v", "-q"),
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, overwrite = 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,
publishLocal := {},
publish := {},
// 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)",
// writing jar file to $buildDirectory/pack/lib because that's where it's expected to be found
setJarLocation,
// 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, replJlineEmbedded, scalap, partestExtras, partestJavaAgent, scaladoc)
.configs(IntegrationTest)
.settings(commonSettings: _*)
.settings(disableDocs: _*)
.settings(disablePublishing: _*)
.settings(Defaults.itSettings: _*)
.settings(
libraryDependencies ++= Seq(asmDep, partestDep, scalaXmlDep),
libraryDependencies ++= {
// Resolve the JARs for all test/files/lib/*.jar.desired.sha1 files through Ivy
val baseDir = (baseDirectory in ThisBuild).value
(baseDir / "test/files/lib").list.toSeq.filter(_.endsWith(".jar.desired.sha1"))
.map(f => bootstrapDep(baseDir, "test/files/lib", f.dropRight(17)))
},
// Two hardcoded depenencies in partest, resolved in the otherwise unused scope "test":
libraryDependencies += bootstrapDep((baseDirectory in ThisBuild).value, "test/files/codelib", "code") % "test",
libraryDependencies += bootstrapDep((baseDirectory in ThisBuild).value, "test/files/speclib", "instrumented") % "test",
// 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,
javaOptions in IntegrationTest += "-Xmx2G",
testFrameworks += new TestFramework("scala.tools.partest.sbt.Framework"),
testFrameworks -= new TestFramework("org.scalacheck.ScalaCheckFramework"),
testOptions in IntegrationTest += Tests.Argument("-Dpartest.java_opts=-Xmx1024M -Xms64M -XX:MaxPermSize=128M"),
testOptions in IntegrationTest += Tests.Argument("-Dpartest.scalac_opts=" + (scalacOptions in Compile).value.mkString(" ")),
testOptions in IntegrationTest += Tests.Setup { () =>
val cp = (dependencyClasspath in Test).value
val baseDir = (baseDirectory in ThisBuild).value
// Copy code.jar and instrumented.jar to the location where partest expects them
copyBootstrapJar(cp, baseDir, "test/files/codelib", "code")
copyBootstrapJar(cp, baseDir, "test/files/speclib", "instrumented")
},
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 result = (executeTests in IntegrationTest).value
if (result.overall != TestResult.Error && result.events.isEmpty) {
// workaround for https://github.com/sbt/sbt/issues/2722
val result = (executeTests in Test).value
(streams.value.log.error("No test events found"))
result.copy(overall = TestResult.Error)
}
else result
}
)
lazy val manual = configureAsSubproject(project)
.settings(disableDocs: _*)
.settings(disablePublishing: _*)
.settings(
libraryDependencies ++= Seq(scalaXmlDep, antDep, "org.scala-lang" % "scala-library" % scalaVersion.value),
classDirectory in Compile := (target in Compile).value / "classes"
)
lazy val libraryAll = Project("library-all", file(".") / "target" / "library-all-src-dummy")
.settings(commonSettings: _*)
.settings(disableDocs: _*)
.settings(
name := "scala-library-all",
publishArtifact in (Compile, packageBin) := false,
publishArtifact in (Compile, packageSrc) := false,
libraryDependencies ++= Seq(scalaXmlDep, scalaParserCombinatorsDep, scalaSwingDep),
apiURL := None,
fixPom(
"/project/name" -> <name>Scala Library Powerpack</name>,
"/project/description" -> <description>The Scala Standard Library and Official Modules</description>
)
)
.dependsOn(library, reflect)
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(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").*** pair relativeTo(docBaseDir)
val resBaseDir = (baseDirectory in ThisBuild).value / "src/manual/scala/tools/docutil/resources"
val resMappings = resBaseDir ** ("*.html" | "*.css" | "*.gif" | "*.png") pair (p => 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")
toError(runner.value.run("scala.tools.docutil.ManMaker",
(fullClasspath in Compile in manual).value.files,
Seq(command, htmlOut.getAbsolutePath, manOut.getAbsolutePath),
streams.value.log))
(manOut ** "*.1" pair 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 Ant build does.
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(libraryAll, compiler, scalap)
lazy val root: Project = (project in file("."))
.settings(disableDocs: _*)
.settings(disablePublishing: _*)
.settings(generateBuildCharacterFileSettings: _*)
.settings(
publish := {},
publishLocal := {},
commands ++= ScriptCommands.all,
// 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")
genprod.main(Array(dir.getPath))
GenerateAnyVals.run(dir.getAbsoluteFile)
state
},
testAll := {
val results = ScriptCommands.sequence[Result[Unit]](List(
(Keys.test in Test in junit).result,
(testOnly in IntegrationTest in testP).toTask(" -- run").result,
(testOnly in IntegrationTest in testP).toTask(" -- pos neg jvm").result,
(testOnly in IntegrationTest in testP).toTask(" -- res scalap specialized scalacheck").result,
(testOnly in IntegrationTest in testP).toTask(" -- instrumented presentation").result,
(testOnly in IntegrationTest in testP).toTask(" -- --srcpath scaladoc").result,
(Keys.test in Test in osgiTestFelix).result,
(Keys.test in Test in osgiTestEclipse).result,
(MiMa.mima in library).result,
(MiMa.mima in reflect).result,
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
)).value
// All attempts to define these together with the actual tasks due to the applicative rewriting of `.value`
val descriptions = Vector(
"junit/test",
"partest run",
"partest pos neg jvm",
"partest res scalap specialized scalacheck",
"partest instrumented presentation",
"partest --srcpath scaladoc",
"osgiTestFelix/test",
"osgiTestEclipse/test",
"library/mima",
"reflect/mima",
"doc"
)
val failed = results.map(_.toEither).zip(descriptions).collect { case (Left(i: Incomplete), d) => (i, d) }
if(failed.nonEmpty) {
val log = streams.value.log
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
def logIncomplete(i: Incomplete, prefix: String): Unit = {
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 childCount = (if(i.directCause.isDefined) 1 else 0) + i.causes.length
val skip = childCount <= 1 && sk.isEmpty
if(!skip) log.error(s"$prefix- ${sk.getOrElse("?")}")
i.directCause match {
case Some(e) => log.error(s"$prefix - $e")
case None => i.causes.foreach(i => logIncomplete(i, prefix + (if(skip) "" else " ")))
}
}
log.error(s"${failed.size} of ${results.length} test tasks failed:")
failed.foreach { case (i, d) =>
log.error(s"- $d")
logIncomplete(i, " ")
}
throw new RuntimeException
}
},
antStyle := false,
incOptions := incOptions.value.withNameHashing(!antStyle.value).withAntStyle(antStyle.value)
)
.aggregate(library, reflect, compiler, interactive, repl, replJline, replJlineEmbedded,
scaladoc, scalap, partestExtras, junit, libraryAll, scalaDist).settings(
sources in Compile := Seq.empty,
onLoadMessage := """|*** Welcome to the sbt build definition for Scala! ***
|Check README.md for more information.""".stripMargin
)
// The following subprojects' binaries are required for building "pack":
lazy val distDependencies = Seq(replJline, replJlineEmbedded, compiler, library, partestExtras, partestJavaAgent, reflect, scalap, scaladoc)
lazy val dist = (project in file("dist"))
.settings(commonSettings)
.settings(
libraryDependencies ++= Seq(scalaSwingDep, jlineDep),
mkBin := mkBinImpl.value,
mkQuick <<= Def.task {
val cp = (fullClasspath in IntegrationTest in LocalProject("test")).value
val propsFile = (buildDirectory in ThisBuild).value / "quick" / "partest.properties"
val props = new java.util.Properties()
props.setProperty("partest.classpath", cp.map(_.data.getAbsolutePath).mkString(sys.props("path.separator")))
IO.write(props, null, propsFile)
(buildDirectory in ThisBuild).value / "quick"
} dependsOn ((distDependencies.map(products in Runtime in _) :+ mkBin): _*),
mkPack <<= Def.task { (buildDirectory in ThisBuild).value / "pack" } dependsOn (packagedArtifact in (Compile, packageBin), mkBin),
target := (baseDirectory in ThisBuild).value / "target" / thisProject.value.id,
packageBin in Compile := {
val extraDeps = Set(scalaSwingDep, scalaParserCombinatorsDep, scalaXmlDep)
val targetDir = (buildDirectory in ThisBuild).value / "pack" / "lib"
def uniqueModule(m: ModuleID) = (m.organization, m.name.replaceFirst("_.*", ""))
val extraModules = extraDeps.map(uniqueModule)
val extraJars = (externalDependencyClasspath in Compile).value.map(a => (a.get(moduleID.key), a.data)).collect {
case (Some(m), f) if extraModules contains uniqueModule(m) => f
}
val jlineJAR = (dependencyClasspath in Compile).value.find(_.get(moduleID.key) == Some(jlineDep)).get.data
val mappings = extraJars.map(f => (f, targetDir / f.getName)) :+ ((jlineJAR, targetDir / "jline.jar"))
IO.copy(mappings, overwrite = true)
targetDir
},
cleanFiles += (buildDirectory in ThisBuild).value / "quick",
cleanFiles += (buildDirectory in ThisBuild).value / "pack",
packagedArtifact in (Compile, packageBin) <<= (packagedArtifact in (Compile, packageBin)).dependsOn(distDependencies.map(packagedArtifact in (Compile, packageBin) in _): _*)
)
.dependsOn(distDependencies.map(p => p: ClasspathDep[ProjectReference]): _*)
/**
* Configures passed project as a subproject (e.g. compiler or repl)
* with common settings attached to it.
*
* Typical usage is:
*
* lazy val mySubproject = configureAsSubproject(project)
*
* We pass `project` as an argument which is in fact a macro call. This macro determines
* project.id based on the name of the lazy val on the left-hand side.
*/
def configureAsSubproject(project: Project): Project = {
val base = file(".") / "src" / project.id
(project in base)
.settings(scalaSubprojectSettings: _*)
.settings(generatePropertiesFileSettings: _*)
}
lazy val buildDirectory = settingKey[File]("The directory where all build products go. By default ./build")
lazy val mkBin = taskKey[Seq[File]]("Generate shell script (bash or Windows batch).")
lazy val mkQuick = taskKey[File]("Generate a full build, including scripts, in build/quick")
lazy val mkPack = taskKey[File]("Generate a full build, including scripts, in build/pack")
lazy val testAll = taskKey[Unit]("Run all test tasks sequentially")
// Defining these settings is somewhat redundant as we also redefine settings that depend on them.
// However, IntelliJ's project import works better when these are set correctly.
def clearSourceAndResourceDirectories = Seq(Compile, Test).flatMap(config => inConfig(config)(Seq(
unmanagedSourceDirectories := Nil,
managedSourceDirectories := Nil,
unmanagedResourceDirectories := Nil,
managedResourceDirectories := Nil
)))
lazy val mkBinImpl: Def.Initialize[Task[Seq[File]]] = Def.task {
import java.io.IOException
def mkScalaTool(mainCls: String, classpath: Seq[Attributed[File]]): ScalaTool =
ScalaTool(mainClass = mainCls,
classpath = classpath.toList.map(_.data.getAbsolutePath),
properties = Map.empty,
javaOpts = "-Xmx256M -Xms32M",
toolFlags = "")
val rootDir = (classDirectory in Compile in compiler).value
val quickOutDir = buildDirectory.value / "quick/bin"
val packOutDir = buildDirectory.value / "pack/bin"
def writeScripts(scalaTool: ScalaTool, file: String, outDir: File): Seq[File] = {
val res = Seq(
scalaTool.writeScript(file, "unix", rootDir, outDir),
scalaTool.writeScript(file, "windows", rootDir, outDir)
)
res.foreach { f =>
if(!f.getAbsoluteFile.setExecutable(true, /* ownerOnly: */ false))
throw new IOException("setExecutable failed")
if(!f.getAbsoluteFile.setReadable(true, /* ownerOnly: */ false))
throw new IOException("setReadable failed")
}
res
}
def mkBin(file: String, mainCls: String, classpath: Seq[Attributed[File]]): Seq[File] =
writeScripts(mkScalaTool(mainCls, classpath), file, quickOutDir) ++
writeScripts(mkScalaTool(mainCls, Nil ), file, packOutDir)
streams.value.log.info(s"Creating scripts in $quickOutDir and $packOutDir")
mkBin("scala" , "scala.tools.nsc.MainGenericRunner", (fullClasspath in Compile in replJlineEmbedded).value) ++
mkBin("scalac" , "scala.tools.nsc.Main", (fullClasspath in Compile in compiler).value) ++
mkBin("fsc" , "scala.tools.nsc.CompileClient", (fullClasspath in Compile in compiler).value) ++
mkBin("scaladoc" , "scala.tools.nsc.ScalaDoc", (fullClasspath in Compile in scaladoc).value) ++
mkBin("scalap" , "scala.tools.scalap.Main", (fullClasspath in Compile in scalap).value)
}
/** Generate service provider definition files under META-INF/services */
def generateServiceProviderResources(services: (String, String)*): Setting[_] =
resourceGenerators in Compile += Def.task {
services.map { case (k, v) =>
val f = (resourceManaged in Compile).value / "META-INF/services" / k
IO.write(f, v + "\n")
f
}
}.taskValue
buildDirectory in ThisBuild := (baseDirectory in ThisBuild).value / "build"
// Add tab completion to partest
commands += Command("partest")(_ => PartestUtil.partestParser((baseDirectory in ThisBuild).value, (baseDirectory in ThisBuild).value / "test")) { (state, parsed) =>
("test/it:testOnly -- " + parsed) :: state
}
// Add tab completion to scalac et al.
commands ++= {
val commands =
List(("scalac", "compiler", "scala.tools.nsc.Main"),
("scala", "repl-jline-embedded", "scala.tools.nsc.MainGenericRunner"),
("scaladoc", "scaladoc", "scala.tools.nsc.ScalaDoc"))
commands.map {
case (entryPoint, projectRef, mainClassName) =>
Command(entryPoint)(_ => ScalaOptionParser.scalaParser(entryPoint, (baseDirectory in ThisBuild).value)) { (state, parsedOptions) =>
(projectRef + "/runMain " + mainClassName + " -usejavacp " + parsedOptions) :: state
}
}
}
addCommandAlias("scalap", "scalap/compile:runMain scala.tools.scalap.Main -usejavacp")
lazy val intellij = taskKey[Unit]("Update the library classpaths in the IntelliJ project files.")
def moduleDeps(p: Project) = (externalDependencyClasspath in Compile in p).map(a => (p.id, a.map(_.data)))
// aliases to projects to prevent name clashes
def compilerP = compiler
def testP = test
intellij := {
import xml._
import xml.transform._
val s = streams.value
val modules: List[(String, Seq[File])] = {
// for the sbt build module, the dependencies are fetched from the project's build using sbt-buildinfo
val buildModule = ("scala-build", scalabuild.BuildInfo.buildClasspath.split(java.io.File.pathSeparator).toSeq.map(new File(_)))
// `sbt projects` lists all modules in the build
buildModule :: List(
moduleDeps(compilerP).value,
// moduleDeps(dist).value, // No sources, therefore no module in IntelliJ
moduleDeps(interactive).value,
moduleDeps(junit).value,
moduleDeps(library).value,
// moduleDeps(libraryAll).value, // No sources
moduleDeps(manual).value,
moduleDeps(partestExtras).value,
moduleDeps(partestJavaAgent).value,