forked from scala/scala3
/
Build.scala
1695 lines (1458 loc) · 73.4 KB
/
Build.scala
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import java.io.File
import java.nio.file._
import Modes._
import com.jsuereth.sbtpgp.PgpKeys
import sbt.Keys._
import sbt._
import complete.DefaultParsers._
import pl.project13.scala.sbt.JmhPlugin
import pl.project13.scala.sbt.JmhPlugin.JmhKeys.Jmh
import sbt.Package.ManifestAttributes
import sbt.plugins.SbtPlugin
import sbt.ScriptedPlugin.autoImport._
import xerial.sbt.pack.PackPlugin
import xerial.sbt.pack.PackPlugin.autoImport._
import xerial.sbt.Sonatype.autoImport._
import dotty.tools.sbtplugin.DottyPlugin.autoImport._
import dotty.tools.sbtplugin.DottyPlugin.makeScalaInstance
import dotty.tools.sbtplugin.DottyIDEPlugin.{ installCodeExtension, prepareCommand, runProcess }
import dotty.tools.sbtplugin.DottyIDEPlugin.autoImport._
import org.scalajs.sbtplugin.ScalaJSPlugin
import org.scalajs.sbtplugin.ScalaJSPlugin.autoImport._
import sbtbuildinfo.BuildInfoPlugin
import sbtbuildinfo.BuildInfoPlugin.autoImport._
import scala.util.Properties.isJavaAtLeast
import org.portablescala.sbtplatformdeps.PlatformDepsPlugin.autoImport._
object MyScalaJSPlugin extends AutoPlugin {
import Build._
override def requires: Plugins = ScalaJSPlugin
override def projectSettings: Seq[Setting[_]] = Def.settings(
commonBootstrappedSettings,
// Replace the JVM JUnit dependency by the Scala.js one
libraryDependencies ~= {
_.filter(!_.name.startsWith("junit-interface"))
},
libraryDependencies +=
("org.scala-js" %% "scalajs-junit-test-runtime" % scalaJSVersion % "test").withDottyCompat(scalaVersion.value),
// Typecheck the Scala.js IR found on the classpath
scalaJSLinkerConfig ~= (_.withCheckIR(true)),
// Exclude all these projects from `configureIDE/launchIDE` since they
// take time to compile, print a bunch of warnings, and are rarely edited.
excludeFromIDE := true
)
}
object Build {
val referenceVersion = "3.0.0-RC1-bin-20210122-6947b0f-NIGHTLY"
val baseVersion = "3.0.0-M4"
val baseSbtDottyVersion = "0.5.3"
// Versions used by the vscode extension to create a new project
// This should be the latest published releases.
// TODO: Have the vscode extension fetch these numbers from the Internet
// instead of hardcoding them ?
val publishedDottyVersion = referenceVersion
val publishedSbtDottyVersion = "0.5.2"
/** scala-library version required to compile Dotty.
*
* Both the non-bootstrapped and bootstrapped version should match, unless
* we're in the process of upgrading to a new major version of
* scala-library.
*/
def stdlibVersion(implicit mode: Mode): String = mode match {
case NonBootstrapped => "2.13.4"
case Bootstrapped => "2.13.4"
}
val dottyOrganization = "org.scala-lang"
val dottyGithubUrl = "https://github.com/lampepfl/dotty"
val dottyGithubRawUserContentUrl = "https://raw.githubusercontent.com/lampepfl/dotty"
val isRelease = sys.env.get("RELEASEBUILD") == Some("yes")
val dottyVersion = {
def isNightly = sys.env.get("NIGHTLYBUILD") == Some("yes")
if (isRelease)
baseVersion
else if (isNightly)
baseVersion + "-bin-" + VersionUtil.commitDate + "-" + VersionUtil.gitHash + "-NIGHTLY"
else
baseVersion + "-bin-SNAPSHOT"
}
val dottyNonBootstrappedVersion = dottyVersion + "-nonbootstrapped"
val sbtDottyName = "sbt-dotty"
val sbtDottyVersion = {
if (isRelease) baseSbtDottyVersion else baseSbtDottyVersion + "-SNAPSHOT"
}
val agentOptions = List(
// "-agentlib:jdwp=transport=dt_socket,server=y,suspend=y,address=5005"
// "-agentpath:/home/dark/opt/yjp-2013-build-13072/bin/linux-x86-64/libyjpagent.so"
// "-agentpath:/Applications/YourKit_Java_Profiler_2015_build_15052.app/Contents/Resources/bin/mac/libyjpagent.jnilib",
// "-XX:+HeapDumpOnOutOfMemoryError", "-Xmx1g", "-Xss2m"
)
// Packages all subprojects to their jars
val packageAll = taskKey[Map[String, String]]("Package everything needed to run tests")
// Run tests with filter through vulpix test suite
val testCompilation = inputKey[Unit]("runs integration test with the supplied filter")
// Spawns a repl with the correct classpath
val repl = inputKey[Unit]("run the REPL with correct classpath")
// Used to compile files similar to ./bin/scalac script
val scalac = inputKey[Unit]("run the compiler using the correct classpath, or the user supplied classpath")
// Used to run binaries similar to ./bin/scala script
val scala = inputKey[Unit]("run compiled binary using the correct classpath, or the user supplied classpath")
// Compiles the documentation and static site
val genDocs = inputKey[Unit]("run dottydoc to generate static documentation site")
// Shorthand for compiling a docs site
val dottydoc = inputKey[Unit]("run dottydoc")
// Only available in vscode-dotty
val unpublish = taskKey[Unit]("Unpublish a package")
// Settings used to configure the test language server
val ideTestsCompilerVersion = taskKey[String]("Compiler version to use in IDE tests")
val ideTestsCompilerArguments = taskKey[Seq[String]]("Compiler arguments to use in IDE tests")
val ideTestsDependencyClasspath = taskKey[Seq[File]]("Dependency classpath to use in IDE tests")
val fetchScalaJSSource = taskKey[File]("Fetch the sources of Scala.js")
lazy val SourceDeps = config("sourcedeps")
// Settings shared by the build (scoped in ThisBuild). Used in build.sbt
lazy val thisBuildSettings = Def.settings(
organization := dottyOrganization,
organizationName := "LAMP/EPFL",
organizationHomepage := Some(url("http://lamp.epfl.ch")),
scalacOptions ++= Seq(
"-feature",
"-deprecation",
"-unchecked",
"-Xfatal-warnings",
"-encoding", "UTF8",
"-language:existentials,higherKinds,implicitConversions,postfixOps"
),
javacOptions in (Compile, compile) ++= Seq("-Xlint:unchecked", "-Xlint:deprecation"),
// Override `runCode` from sbt-dotty to use the language-server and
// vscode extension from the source repository of dotty instead of a
// published version.
runCode := (run in `scala3-language-server`).toTask("").value,
// Avoid various sbt craziness involving classloaders and parallelism
fork in run := true,
fork in Test := true,
parallelExecution in Test := false,
outputStrategy := Some(StdoutOutput),
// enable verbose exception messages for JUnit
testOptions in Test += Tests.Argument(TestFrameworks.JUnit, "-a", "-v"),
)
// Settings shared globally (scoped in Global). Used in build.sbt
lazy val globalSettings = Def.settings(
onLoad := (onLoad in Global).value andThen { state =>
def exists(submodule: String) = {
val path = Paths.get(submodule)
Files.exists(path) && {
val fileStream = Files.list(path)
try fileStream.iterator().hasNext
finally fileStream.close()
}
}
// Copy default configuration from .vscode-template/ unless configuration files already exist in .vscode/
sbt.IO.copyDirectory(new File(".vscode-template/"), new File(".vscode/"), overwrite = false)
state
},
// I find supershell more distracting than helpful
useSuperShell := false,
// Credentials to release to Sonatype
credentials ++= (
for {
username <- sys.env.get("SONATYPE_USER")
password <- sys.env.get("SONATYPE_PW")
} yield Credentials("Sonatype Nexus Repository Manager", "oss.sonatype.org", username, password)
).toList,
PgpKeys.pgpPassphrase := sys.env.get("PGP_PW").map(_.toCharArray()),
PgpKeys.useGpgPinentry := true,
javaOptions ++= {
val ciOptions = // propagate if this is a CI build
sys.props.get("dotty.drone.mem") match {
case Some(prop) => List("-Xmx" + prop)
case _ => List()
}
// Do not cut off the bottom of large stack traces (default is 1024)
"-XX:MaxJavaStackTraceDepth=1000000" :: agentOptions ::: ciOptions
},
excludeLintKeys ++= Set(
// We set these settings in `commonSettings`, if a project
// uses `commonSettings` but overrides `unmanagedSourceDirectories`,
// sbt will complain if we don't exclude them here.
Keys.scalaSource, Keys.javaSource
),
)
lazy val disableDocSetting =
// Disable scaladoc generation, it's way too slow and we'll replace it
// by dottydoc anyway. We still publish an empty -javadoc.jar to make
// sonatype happy.
sources in (Compile, doc) := Seq()
lazy val commonSettings = publishSettings ++ Seq(
scalaSource in Compile := baseDirectory.value / "src",
scalaSource in Test := baseDirectory.value / "test",
javaSource in Compile := baseDirectory.value / "src",
javaSource in Test := baseDirectory.value / "test",
resourceDirectory in Compile := baseDirectory.value / "resources",
resourceDirectory in Test := baseDirectory.value / "test-resources",
// Prevent sbt from rewriting our dependencies
scalaModuleInfo ~= (_.map(_.withOverrideScalaVersion(false))),
libraryDependencies += "com.novocode" % "junit-interface" % "0.11" % Test,
// If someone puts a source file at the root (e.g., for manual testing),
// don't pick it up as part of any project.
sourcesInBase := false,
)
// Settings used for projects compiled only with Java
lazy val commonJavaSettings = commonSettings ++ Seq(
version := dottyVersion,
scalaVersion := referenceVersion,
// Do not append Scala versions to the generated artifacts
crossPaths := false,
// Do not depend on the Scala library
autoScalaLibrary := false,
excludeFromIDE := true,
disableDocSetting
)
// Settings used when compiling dotty (both non-bootstrapped and bootstrapped)
lazy val commonDottySettings = commonSettings ++ Seq(
// Manually set the standard library to use
autoScalaLibrary := false
)
lazy val commonScala2Settings = commonSettings ++ Seq(
scalaVersion := stdlibVersion(Bootstrapped),
moduleName ~= { _.stripSuffix("-scala2") },
version := dottyVersion,
target := baseDirectory.value / ".." / "out" / "scala-2" / name.value,
disableDocSetting
)
// Settings used when compiling dotty with the reference compiler
lazy val commonNonBootstrappedSettings = commonDottySettings ++ Seq(
unmanagedSourceDirectories in Compile += baseDirectory.value / "src-non-bootstrapped",
version := dottyNonBootstrappedVersion,
scalaVersion := referenceVersion,
excludeFromIDE := true,
disableDocSetting
)
// Settings used when compiling dotty with a non-bootstrapped dotty
lazy val commonBootstrappedSettings = commonDottySettings ++ Seq(
unmanagedSourceDirectories in Compile += baseDirectory.value / "src-bootstrapped",
version := dottyVersion,
scalaVersion := dottyNonBootstrappedVersion,
scalaCompilerBridgeBinaryJar := {
Some((packageBin in (`scala3-sbt-bridge`, Compile)).value)
},
// Use the same name as the non-bootstrapped projects for the artifacts.
// Remove the `js` suffix because JS artifacts are published using their special crossVersion.
// The order of the two `stripSuffix`es is important, so that
// scala3-library-bootstrappedjs becomes scala3-library.
moduleName ~= { _.stripSuffix("js").stripSuffix("-bootstrapped") },
// Enforce that the only Scala 2 classfiles we unpickle come from scala-library
/*
scalacOptions ++= {
val cp = (dependencyClasspath in `scala3-library` in Compile).value
val scalaLib = findArtifactPath(cp, "scala-library")
Seq("-Yscala2-unpickler", scalaLib)
},
*/
// sbt gets very unhappy if two projects use the same target
target := baseDirectory.value / ".." / "out" / "bootstrap" / name.value,
// Compile using the non-bootstrapped and non-published dotty
managedScalaInstance := false,
scalaInstance := {
val externalNonBootstrappedDeps = externalDependencyClasspath.in(`scala3-doc`, Compile).value
val scalaLibrary = findArtifact(externalNonBootstrappedDeps, "scala-library")
// IMPORTANT: We need to use actual jars to form the ScalaInstance and not
// just directories containing classfiles because sbt maintains a cache of
// compiler instances. This cache is invalidated based on timestamps
// however this is only implemented on jars, directories are never
// invalidated.
val tastyCore = packageBin.in(`tasty-core`, Compile).value
val dottyLibrary = packageBin.in(`scala3-library`, Compile).value
val dottyInterfaces = packageBin.in(`scala3-interfaces`, Compile).value
val dottyCompiler = packageBin.in(`scala3-compiler`, Compile).value
val dottyDoc = packageBin.in(`scala3-doc`, Compile).value
val allJars = Seq(tastyCore, dottyLibrary, dottyInterfaces, dottyCompiler, dottyDoc) ++ externalNonBootstrappedDeps.map(_.data)
makeScalaInstance(
state.value,
scalaVersion.value,
scalaLibrary,
dottyLibrary,
dottyCompiler,
allJars,
appConfiguration.value
)
},
// sbt-dotty defines `scalaInstance in doc` so we need to override it manually
scalaInstance in doc := scalaInstance.value,
disableDocSetting,
)
lazy val commonBenchmarkSettings = Seq(
mainClass in (Jmh, run) := Some("dotty.tools.benchmarks.Bench"), // custom main for jmh:run
javaOptions += "-DBENCH_COMPILER_CLASS_PATH=" + Attributed.data((fullClasspath in (`scala3-bootstrapped`, Compile)).value).mkString("", File.pathSeparator, ""),
javaOptions += "-DBENCH_CLASS_PATH=" + Attributed.data((fullClasspath in (`scala3-library-bootstrapped`, Compile)).value).mkString("", File.pathSeparator, "")
)
/** Projects -------------------------------------------------------------- */
val dottyCompilerBootstrappedRef = LocalProject("scala3-compiler-bootstrapped")
/** External dependencies we may want to put on the compiler classpath. */
def externalCompilerClasspathTask: Def.Initialize[Task[Def.Classpath]] =
// Even if we're running the non-bootstrapped compiler, we want the
// dependencies of the bootstrapped compiler since we want to put them on
// the compiler classpath, not the JVM classpath.
externalDependencyClasspath.in(dottyCompilerBootstrappedRef, Runtime)
// The root project:
// - aggregates other projects so that "compile", "test", etc are run on all projects at once.
// - publishes its own empty artifact "dotty" that depends on "scala3-library" and "scala3-compiler",
// this is only necessary for compatibility with sbt which currently hardcodes the "dotty" artifact name
lazy val scala3 = project.in(file(".")).asDottyRoot(NonBootstrapped)
lazy val `scala3-bootstrapped` = project.asDottyRoot(Bootstrapped)
lazy val `scala3-interfaces` = project.in(file("interfaces")).
settings(commonJavaSettings)
private lazy val dottydocClasspath = Def.task {
val jars = (packageAll in `scala3-compiler`).value
val dottyLib = jars("scala3-library")
val otherDeps = (dependencyClasspath in Compile).value.map(_.data).mkString(File.pathSeparator)
val externalDeps = externalCompilerClasspathTask.value
dottyLib + File.pathSeparator + findArtifactPath(externalDeps, "scala-library")
}
lazy val commonDocSettings = Seq(
baseDirectory in (Compile, run) := baseDirectory.value / "..",
baseDirectory in Test := baseDirectory.value / "..",
libraryDependencies ++= {
val flexmarkVersion = "0.42.12"
Seq(
"com.vladsch.flexmark" % "flexmark" % flexmarkVersion,
"com.vladsch.flexmark" % "flexmark-ext-gfm-tasklist" % flexmarkVersion,
"com.vladsch.flexmark" % "flexmark-ext-gfm-tables" % flexmarkVersion,
"com.vladsch.flexmark" % "flexmark-ext-autolink" % flexmarkVersion,
"com.vladsch.flexmark" % "flexmark-ext-anchorlink" % flexmarkVersion,
"com.vladsch.flexmark" % "flexmark-ext-emoji" % flexmarkVersion,
"com.vladsch.flexmark" % "flexmark-ext-gfm-strikethrough" % flexmarkVersion,
"com.vladsch.flexmark" % "flexmark-ext-yaml-front-matter" % flexmarkVersion,
Dependencies.`jackson-dataformat-yaml`,
"nl.big-o" % "liqp" % "0.6.7"
)
}
)
def dottyDocSettings(implicit mode: Mode) = Seq(
connectInput in run := true,
javaOptions ++= (javaOptions in `scala3-compiler`).value,
javaOptions += "-Xss3m",
genDocs := Def.inputTaskDyn {
val dottydocExtraArgs = spaceDelimited("<arg>").parsed
// Make majorVersion available at dotty.epfl.ch/versions/latest-nightly-base
// Used by sbt-dotty to resolve the latest nightly
val majorVersion = (scalaBinaryVersion in LocalProject("scala3-library-bootstrapped")).value
IO.write(file("./docs/_site/versions/latest-nightly-base"), majorVersion)
// This file is used by GitHub Pages when the page is available in a custom domain
IO.write(file("./docs/_site/CNAME"), "dotty.epfl.ch")
val sources = unmanagedSources.in(dottyLibrary, Compile).value
val args = Seq(
"-siteroot", "docs",
"-project", "Dotty",
"-project-version", dottyVersion,
"-project-url", dottyGithubUrl,
"-project-logo", "scala3-logo.svg",
"-classpath", dottydocClasspath.value,
"-Yerased-terms"
) ++ dottydocExtraArgs
(runMain in Compile).toTask(
s""" dotty.tools.dottydoc.Main ${args.mkString(" ")} ${sources.mkString(" ")}"""
)
}.evaluated,
dottydoc := Def.inputTaskDyn {
val args = spaceDelimited("<arg>").parsed
val cp = dottydocClasspath.value
(runMain in Compile).toTask(s" dotty.tools.dottydoc.Main -classpath $cp " + args.mkString(" "))
}.evaluated,
)
lazy val `scala3-doc` = project.in(file("doc-tool")).asDottyDoc(NonBootstrapped)
lazy val `scala3-doc-bootstrapped` = project.in(file("doc-tool")).asDottyDoc(Bootstrapped)
def dottyDoc(implicit mode: Mode): Project = mode match {
case NonBootstrapped => `scala3-doc`
case Bootstrapped => `scala3-doc-bootstrapped`
}
/** Find an artifact with the given `name` in `classpath` */
def findArtifact(classpath: Def.Classpath, name: String): File = classpath
.find(_.get(artifact.key).exists(_.name == name))
.getOrElse(throw new MessageOnlyException(s"Artifact for $name not found in $classpath"))
.data
/** Like `findArtifact` but returns the absolute path of the entry as a string */
def findArtifactPath(classpath: Def.Classpath, name: String): String =
findArtifact(classpath, name).getAbsolutePath
// Settings shared between scala3-compiler and scala3-compiler-bootstrapped
lazy val commonDottyCompilerSettings = Seq(
// set system in/out for repl
connectInput in run := true,
// Generate compiler.properties, used by sbt
resourceGenerators in Compile += Def.task {
import java.util._
import java.text._
val file = (resourceManaged in Compile).value / "compiler.properties"
val dateFormat = new SimpleDateFormat("yyyyMMdd-HHmmss")
dateFormat.setTimeZone(TimeZone.getTimeZone("GMT"))
val contents = //2.11.11.v20170413-090219-8a413ba7cc
s"""version.number=${version.value}
|maven.version.number=${version.value}
|git.hash=${VersionUtil.gitHash}
|copyright.string=Copyright 2002-${Calendar.getInstance().get(Calendar.YEAR)}, LAMP/EPFL
""".stripMargin
if (!(file.exists && IO.read(file) == contents)) {
IO.write(file, contents)
}
Seq(file)
}.taskValue,
// get libraries onboard
libraryDependencies ++= Seq(
"org.scala-lang.modules" % "scala-asm" % "9.1.0-scala-1", // used by the backend
Dependencies.oldCompilerInterface, // we stick to the old version to avoid deprecation warnings
"org.jline" % "jline-reader" % "3.15.0", // used by the REPL
"org.jline" % "jline-terminal" % "3.15.0",
"org.jline" % "jline-terminal-jna" % "3.15.0" // needed for Windows
),
// For convenience, change the baseDirectory when running the compiler
baseDirectory in (Compile, run) := baseDirectory.value / "..",
// And when running the tests
baseDirectory in Test := baseDirectory.value / "..",
test in Test := {
// Exclude VulpixMetaTests
(testOnly in Test).toTask(" -- --exclude-categories=dotty.VulpixMetaTests").value
},
testOptions in Test += Tests.Argument(
TestFrameworks.JUnit,
"--run-listener=dotty.tools.ContextEscapeDetector",
),
// Spawn new JVM in run and test
// Add git-hash used to package the distribution to the manifest to know it in runtime and report it in REPL
packageOptions += ManifestAttributes(("Git-Hash", VersionUtil.gitHash)),
javaOptions ++= {
val managedSrcDir = {
// Populate the directory
(managedSources in Compile).value
(sourceManaged in Compile).value
}
val externalDeps = externalCompilerClasspathTask.value
val jars = packageAll.value
Seq(
"-Ddotty.tests.dottyCompilerManagedSources=" + managedSrcDir,
"-Ddotty.tests.classes.dottyInterfaces=" + jars("scala3-interfaces"),
"-Ddotty.tests.classes.dottyLibrary=" + jars("scala3-library"),
"-Ddotty.tests.classes.dottyCompiler=" + jars("scala3-compiler"),
"-Ddotty.tests.classes.tastyCore=" + jars("tasty-core"),
"-Ddotty.tests.classes.compilerInterface=" + findArtifactPath(externalDeps, "compiler-interface"),
"-Ddotty.tests.classes.scalaLibrary=" + findArtifactPath(externalDeps, "scala-library"),
"-Ddotty.tests.classes.scalaAsm=" + findArtifactPath(externalDeps, "scala-asm"),
"-Ddotty.tests.classes.jlineTerminal=" + findArtifactPath(externalDeps, "jline-terminal"),
"-Ddotty.tests.classes.jlineReader=" + findArtifactPath(externalDeps, "jline-reader"),
)
},
javaOptions += (
s"-Ddotty.tools.dotc.semanticdb.test=${(ThisBuild / baseDirectory).value/"tests"/"semanticdb"}"
),
testCompilation := Def.inputTaskDyn {
val args = spaceDelimited("<arg>").parsed
if (args.contains("--help")) {
println(
s"""
|usage: testCompilation [--help] [--from-tasty] [--update-checkfiles] [<filter>]
|
|By default runs tests in dotty.tools.dotc.*CompilationTests excluding tests tagged with dotty.SlowTests.
|
| --help show this message
| --from-tasty runs tests in dotty.tools.dotc.FromTastyTests
| --update-checkfiles override the checkfiles that did not match with the current output
| <filter> substring of the path of the tests file
|
""".stripMargin
)
(testOnly in Test).toTask(" not.a.test")
}
else {
val updateCheckfile = args.contains("--update-checkfiles")
val fromTasty = args.contains("--from-tasty")
val args1 = if (updateCheckfile | fromTasty) args.filter(x => x != "--update-checkfiles" && x != "--from-tasty") else args
val test = if (fromTasty) "dotty.tools.dotc.FromTastyTests" else "dotty.tools.dotc.*CompilationTests"
val cmd = s" $test -- --exclude-categories=dotty.SlowTests" +
(if (updateCheckfile) " -Ddotty.tests.updateCheckfiles=TRUE" else "") +
(if (args1.nonEmpty) " -Ddotty.tests.filter=" + args1.mkString(" ") else "")
(testOnly in Test).toTask(cmd)
}
}.evaluated,
scala := {
val args: List[String] = spaceDelimited("<arg>").parsed.toList
val externalDeps = externalCompilerClasspathTask.value
val jars = packageAll.value
val scalaLib = findArtifactPath(externalDeps, "scala-library")
val dottyLib = jars("scala3-library")
def run(args: List[String]): Unit = {
val fullArgs = insertClasspathInArgs(args, List(".", dottyLib, scalaLib).mkString(File.pathSeparator))
runProcess("java" :: fullArgs, wait = true)
}
if (args.isEmpty) {
println("Couldn't run `scala` without args. Use `repl` to run the repl or add args to run the dotty application")
} else if (scalaLib == "") {
println("Couldn't find scala-library on classpath, please run using script in bin dir instead")
} else if (args.contains("-with-compiler")) {
val args1 = args.filter(_ != "-with-compiler")
val asm = findArtifactPath(externalDeps, "scala-asm")
val dottyCompiler = jars("scala3-compiler")
val dottyStaging = jars("scala3-staging")
val dottyTastyInspector = jars("scala3-tasty-inspector")
val dottyInterfaces = jars("scala3-interfaces")
val tastyCore = jars("tasty-core")
run(insertClasspathInArgs(args1, List(dottyCompiler, dottyInterfaces, asm, dottyStaging, dottyTastyInspector, tastyCore).mkString(File.pathSeparator)))
} else run(args)
},
run := scalac.evaluated,
scalac := runCompilerMain().evaluated,
repl := runCompilerMain(repl = true).evaluated,
/* Add the sources of scalajs-ir.
* To guarantee that dotty can bootstrap without depending on a version
* of scalajs-ir built with a different Scala compiler, we add its
* sources instead of depending on the binaries.
*/
ivyConfigurations += SourceDeps.hide,
transitiveClassifiers := Seq("sources"),
libraryDependencies +=
("org.scala-js" %% "scalajs-ir" % scalaJSVersion % "sourcedeps").withDottyCompat(scalaVersion.value),
sourceGenerators in Compile += Def.task {
val s = streams.value
val cacheDir = s.cacheDirectory
val trgDir = (sourceManaged in Compile).value / "scalajs-ir-src"
val report = updateClassifiers.value
val scalaJSIRSourcesJar = report.select(
configuration = configurationFilter("sourcedeps"),
module = (_: ModuleID).name.startsWith("scalajs-ir_"),
artifact = artifactFilter(`type` = "src")).headOption.getOrElse {
sys.error(s"Could not fetch scalajs-ir sources")
}
FileFunction.cached(cacheDir / s"fetchScalaJSIRSource",
FilesInfo.lastModified, FilesInfo.exists) { dependencies =>
s.log.info(s"Unpacking scalajs-ir sources to $trgDir...")
if (trgDir.exists)
IO.delete(trgDir)
IO.createDirectory(trgDir)
IO.unzip(scalaJSIRSourcesJar, trgDir)
(trgDir ** "*.scala").get.toSet
} (Set(scalaJSIRSourcesJar)).toSeq
}.taskValue,
)
def runCompilerMain(repl: Boolean = false) = Def.inputTaskDyn {
val log = streams.value.log
val externalDeps = externalCompilerClasspathTask.value
val jars = packageAll.value
val scalaLib = findArtifactPath(externalDeps, "scala-library")
val dottyLib = jars("scala3-library")
val dottyCompiler = jars("scala3-compiler")
val args0: List[String] = spaceDelimited("<arg>").parsed.toList
val decompile = args0.contains("-decompile")
val printTasty = args0.contains("-print-tasty")
val debugFromTasty = args0.contains("-Ythrough-tasty")
val args = args0.filter(arg => arg != "-repl" && arg != "-decompile" &&
arg != "-with-compiler" && arg != "-Ythrough-tasty")
val main =
if (repl) "dotty.tools.repl.Main"
else if (decompile || printTasty) "dotty.tools.dotc.decompiler.Main"
else if (debugFromTasty) "dotty.tools.dotc.fromtasty.Debug"
else "dotty.tools.dotc.Main"
var extraClasspath = Seq(scalaLib, dottyLib)
if ((decompile || printTasty) && !args.contains("-classpath"))
extraClasspath ++= Seq(".")
if (args0.contains("-with-compiler")) {
if (scalaVersion.value == referenceVersion) {
log.error("-with-compiler should only be used with a bootstrapped compiler")
}
val dottyInterfaces = jars("scala3-interfaces")
val dottyStaging = jars("scala3-staging")
val dottyTastyInspector = jars("scala3-tasty-inspector")
val tastyCore = jars("tasty-core")
val asm = findArtifactPath(externalDeps, "scala-asm")
extraClasspath ++= Seq(dottyCompiler, dottyInterfaces, asm, dottyStaging, dottyTastyInspector, tastyCore)
}
val fullArgs = main :: insertClasspathInArgs(args, extraClasspath.mkString(File.pathSeparator))
(runMain in Compile).toTask(fullArgs.mkString(" ", " ", ""))
}
def insertClasspathInArgs(args: List[String], cp: String): List[String] = {
val (beforeCp, fromCp) = args.span(_ != "-classpath")
val classpath = fromCp.drop(1).headOption.fold(cp)(_ + File.pathSeparator + cp)
"-classpath" :: classpath :: beforeCp ::: fromCp.drop(2)
}
lazy val nonBootstrapedDottyCompilerSettings = commonDottyCompilerSettings ++ Seq(
// packageAll packages all and then returns a map with the abs location
packageAll := Def.taskDyn { // Use a dynamic task to avoid loops when loading the settings
Def.task {
Map(
"scala3-interfaces" -> packageBin.in(`scala3-interfaces`, Compile).value,
"scala3-compiler" -> packageBin.in(Compile).value,
"tasty-core" -> packageBin.in(`tasty-core`, Compile).value,
// NOTE: Using scala3-library-bootstrapped here is intentional: when
// running the compiler, we should always have the bootstrapped
// library on the compiler classpath since the non-bootstrapped one
// may not be binary-compatible.
"scala3-library" -> packageBin.in(`scala3-library-bootstrapped`, Compile).value
).mapValues(_.getAbsolutePath)
}
}.value,
testOptions in Test += Tests.Argument(
TestFrameworks.JUnit,
"--exclude-categories=dotty.BootstrappedOnlyTests",
),
// increase stack size for non-bootstrapped compiler, because some code
// is only tail-recursive after bootstrap
javaOptions in Test += "-Xss2m"
)
lazy val bootstrapedDottyCompilerSettings = commonDottyCompilerSettings ++ Seq(
javaOptions ++= {
val jars = packageAll.value
Seq(
"-Ddotty.tests.classes.dottyStaging=" + jars("scala3-staging"),
"-Ddotty.tests.classes.dottyTastyInspector=" + jars("scala3-tasty-inspector"),
)
},
packageAll := {
packageAll.in(`scala3-compiler`).value ++ Seq(
"scala3-compiler" -> packageBin.in(Compile).value.getAbsolutePath,
"scala3-staging" -> packageBin.in(LocalProject("scala3-staging"), Compile).value.getAbsolutePath,
"scala3-tasty-inspector" -> packageBin.in(LocalProject("scala3-tasty-inspector"), Compile).value.getAbsolutePath,
"tasty-core" -> packageBin.in(LocalProject("tasty-core-bootstrapped"), Compile).value.getAbsolutePath,
)
}
)
def dottyCompilerSettings(implicit mode: Mode): sbt.Def.SettingsDefinition =
if (mode == NonBootstrapped) nonBootstrapedDottyCompilerSettings else bootstrapedDottyCompilerSettings
lazy val `scala3-compiler` = project.in(file("compiler")).asDottyCompiler(NonBootstrapped)
lazy val `scala3-compiler-bootstrapped` = project.in(file("compiler")).asDottyCompiler(Bootstrapped)
def dottyCompiler(implicit mode: Mode): Project = mode match {
case NonBootstrapped => `scala3-compiler`
case Bootstrapped => `scala3-compiler-bootstrapped`
}
// Settings shared between scala3-library, scala3-library-bootstrapped and scala3-library-bootstrappedJS
lazy val dottyLibrarySettings = Seq(
scalacOptions in Compile ++= Seq(
// Needed so that the library sources are visible when `dotty.tools.dotc.core.Definitions#init` is called
"-sourcepath", (sourceDirectories in Compile).value.map(_.getAbsolutePath).distinct.mkString(File.pathSeparator),
// support declaration of scala.compiletime.erasedValue
"-Yerased-terms"
),
)
lazy val `scala3-library` = project.in(file("library")).asDottyLibrary(NonBootstrapped)
lazy val `scala3-library-bootstrapped`: Project = project.in(file("library")).asDottyLibrary(Bootstrapped)
def dottyLibrary(implicit mode: Mode): Project = mode match {
case NonBootstrapped => `scala3-library`
case Bootstrapped => `scala3-library-bootstrapped`
}
/** The dotty standard library compiled with the Scala.js back-end, to produce
* the corresponding .sjsir files.
*
* This artifact must be on the classpath on every "Dotty.js" project.
*
* Currently, only a very small fraction of the dotty library is actually
* included in this project, and hence available to Dotty.js projects. More
* will be added in the future as things are confirmed to be supported.
*/
lazy val `scala3-library-bootstrappedJS`: Project = project.in(file("library-js")).
asDottyLibrary(Bootstrapped).
enablePlugins(MyScalaJSPlugin).
settings(
libraryDependencies +=
("org.scala-js" %% "scalajs-library" % scalaJSVersion).withDottyCompat(scalaVersion.value),
unmanagedSourceDirectories in Compile :=
(unmanagedSourceDirectories in (`scala3-library-bootstrapped`, Compile)).value,
// Configure the source maps to point to GitHub for releases
scalacOptions ++= {
if (isRelease) {
val baseURI = (baseDirectory in LocalRootProject).value.toURI
val dottyVersion = version.value
Seq(s"-scalajs-mapSourceURI:$baseURI->$dottyGithubRawUserContentUrl/v$dottyVersion/")
} else {
Nil
}
},
// Make sure `scala3-bootstrapped/test` doesn't fail on this project for no reason
test in Test := {},
testOnly in Test := {},
)
lazy val tastyCoreSettings = Seq(
scalacOptions += "-source:3.0-migration"
)
lazy val `tasty-core` = project.in(file("tasty")).asTastyCore(NonBootstrapped)
lazy val `tasty-core-bootstrapped`: Project = project.in(file("tasty")).asTastyCore(Bootstrapped)
lazy val `tasty-core-scala2`: Project = project.in(file("tasty")).asTastyCoreScala2
def tastyCore(implicit mode: Mode): Project = mode match {
case NonBootstrapped => `tasty-core`
case Bootstrapped => `tasty-core-bootstrapped`
}
lazy val `scala3-staging` = project.in(file("staging")).
withCommonSettings(Bootstrapped).
// We want the compiler to be present in the compiler classpath when compiling this project but not
// when compiling a project that depends on scala3-staging (see sbt-dotty/sbt-test/sbt-dotty/quoted-example-project),
// but we always need it to be present on the JVM classpath at runtime.
dependsOn(dottyCompiler(Bootstrapped) % "provided; compile->runtime; test->test").
settings(commonBootstrappedSettings).
settings(
javaOptions := (javaOptions in `scala3-compiler-bootstrapped`).value
)
lazy val `scala3-tasty-inspector` = project.in(file("tasty-inspector")).
withCommonSettings(Bootstrapped).
// We want the compiler to be present in the compiler classpath when compiling this project but not
// when compiling a project that depends on scala3-tasty-inspector (see sbt-dotty/sbt-test/sbt-dotty/tasty-inspector-example-project),
// but we always need it to be present on the JVM classpath at runtime.
dependsOn(dottyCompiler(Bootstrapped) % "provided; compile->runtime; test->test").
settings(commonBootstrappedSettings).
settings(
javaOptions := (javaOptions in `scala3-compiler-bootstrapped`).value
)
/** Scala library compiled by dotty using the latest published sources of the library */
lazy val `stdlib-bootstrapped` = project.in(file("stdlib-bootstrapped")).
withCommonSettings(Bootstrapped).
dependsOn(dottyCompiler(Bootstrapped) % "provided; compile->runtime; test->test").
dependsOn(`scala3-tasty-inspector` % "test->test").
settings(commonBootstrappedSettings).
settings(
moduleName := "scala-library",
javaOptions := (javaOptions in `scala3-compiler-bootstrapped`).value,
Compile/scalacOptions += "-Yerased-terms",
Compile/scalacOptions ++= {
Seq(
"-sourcepath",
Seq(
(Compile/sourceManaged).value / "scala-library-src",
(Compile/sourceManaged).value / "dotty-library-src",
).mkString(File.pathSeparator),
)
},
scalacOptions -= "-Xfatal-warnings",
ivyConfigurations += SourceDeps.hide,
transitiveClassifiers := Seq("sources"),
libraryDependencies +=
("org.scala-lang" % "scala-library" % stdlibVersion(Bootstrapped) % "sourcedeps"),
sourceGenerators in Compile += Def.task {
val s = streams.value
val cacheDir = s.cacheDirectory
val trgDir = (sourceManaged in Compile).value / "scala-library-src"
val report = updateClassifiers.value
val scalaLibrarySourcesJar = report.select(
configuration = configurationFilter("sourcedeps"),
module = (_: ModuleID).name == "scala-library",
artifact = artifactFilter(`type` = "src")).headOption.getOrElse {
sys.error(s"Could not fetch scala-library sources")
}
FileFunction.cached(cacheDir / s"fetchScalaLibrarySrc",
FilesInfo.lastModified, FilesInfo.exists) { dependencies =>
s.log.info(s"Unpacking scala-library sources to $trgDir...")
if (trgDir.exists)
IO.delete(trgDir)
IO.createDirectory(trgDir)
IO.unzip(scalaLibrarySourcesJar, trgDir)
((trgDir ** "*.scala") +++ (trgDir ** "*.java")).get.toSet
} (Set(scalaLibrarySourcesJar)).toSeq
}.taskValue,
sourceGenerators in Compile += Def.task {
val s = streams.value
val cacheDir = s.cacheDirectory
val trgDir = (sourceManaged in Compile).value / "dotty-library-src"
// NOTE `sourceDirectory` is used for actual copying,
// but `sources` are used as cache keys
val dottyLibSourceDirs = (`scala3-library-bootstrapped`/Compile/unmanagedSourceDirectories).value
def dottyLibSources = dottyLibSourceDirs.foldLeft(PathFinder.empty) { (pf, dir) =>
if (!dir.exists) pf else pf +++ (dir ** "*.scala") +++ (dir ** "*.java")
}
val cachedFun = FileFunction.cached(
cacheDir / s"copyDottyLibrarySrc",
FilesInfo.lastModified,
FilesInfo.exists,
) { _ =>
if (trgDir.exists) IO.delete(trgDir)
dottyLibSourceDirs.foreach { dir =>
if (dir.exists) {
s.log.info(s"Copying scala3-library sources from $dir to $trgDir...")
IO.copyDirectory(dir, trgDir)
}
}
((trgDir ** "*.scala") +++ (trgDir ** "*.java")).get.toSet
}
cachedFun(dottyLibSources.get.toSet).toSeq
}.taskValue,
sources in Compile ~= (_.filterNot(file =>
// sources from https://github.com/scala/scala/tree/2.13.x/src/library-aux
file.getPath.endsWith("scala-library-src/scala/Any.scala") ||
file.getPath.endsWith("scala-library-src/scala/AnyVal.scala") ||
file.getPath.endsWith("scala-library-src/scala/AnyRef.scala") ||
file.getPath.endsWith("scala-library-src/scala/Nothing.scala") ||
file.getPath.endsWith("scala-library-src/scala/Null.scala") ||
file.getPath.endsWith("scala-library-src/scala/Singleton.scala"))),
managedClasspath in Test ~= {
_.filterNot(file => file.data.getName == s"scala-library-${stdlibVersion(Bootstrapped)}.jar")
},
)
/** Test the tasty generated by `stdlib-bootstrapped`
*
* The tests are run with the bootstrapped compiler and the tasty inpector on the classpath.
* The classpath has the default `scala-library` and not `stdlib-bootstrapped`.
*
* The jar of `stdlib-bootstrapped` is provided for to the tests.
* - inspector: test that we can load the contents of the jar using the tasty inspector
* - from-tasty: test that we can recompile the contents of the jar using `dotc -from-tasty`
*/
lazy val `stdlib-bootstrapped-tasty-tests` = project.in(file("stdlib-bootstrapped-tasty-tests")).
withCommonSettings(Bootstrapped).
dependsOn(`scala3-tasty-inspector` % "test->test").
settings(commonBootstrappedSettings).
settings(
javaOptions := (javaOptions in `scala3-compiler-bootstrapped`).value,
javaOptions += "-Ddotty.scala.library=" + packageBin.in(`stdlib-bootstrapped`, Compile).value.getAbsolutePath
)
lazy val `scala3-sbt-bridge` = project.in(file("sbt-bridge/src")).
// We cannot depend on any bootstrapped project to compile the bridge, since the
// bridge is needed to compile these projects.
dependsOn(dottyDoc(NonBootstrapped) % Provided).
settings(commonJavaSettings).
settings(
description := "sbt compiler bridge for Dotty",
sources in Test := Seq(),
scalaSource in Compile := baseDirectory.value,
javaSource in Compile := baseDirectory.value,
resourceDirectory in Compile := baseDirectory.value.getParentFile / "resources",
// Referring to the other project using a string avoids an infinite loop
// when sbt reads the settings.
test in Test := (test in (LocalProject("scala3-sbt-bridge-tests"), Test)).value,
// The `newCompilerInterface` is backward compatible with the `oldCompilerInterface`
libraryDependencies += Dependencies.newCompilerInterface % Provided
)
// We use a separate project for the bridge tests since they can only be run
// with the bootstrapped library on the classpath.
lazy val `scala3-sbt-bridge-tests` = project.in(file("sbt-bridge/test")).
dependsOn(dottyCompiler(Bootstrapped) % Test).
settings(commonBootstrappedSettings).
settings(
sources in Compile := Seq(),
scalaSource in Test := baseDirectory.value,
javaSource in Test := baseDirectory.value,
// Tests disabled until zinc-api-info cross-compiles with 2.13,
// alternatively we could just copy in sources the part of zinc-api-info we need.
sources in Test := Seq()
)
lazy val `scala3-language-server` = project.in(file("language-server")).
dependsOn(dottyCompiler(Bootstrapped)).
settings(commonBootstrappedSettings).
settings(
// Sources representing the shared configuration file used to communicate between the sbt-dotty
// plugin and the language server
unmanagedSourceDirectories in Compile += baseDirectory.value / "../sbt-dotty/src/dotty/tools/sbtplugin/config",
libraryDependencies ++= Seq(
"org.eclipse.lsp4j" % "org.eclipse.lsp4j" % "0.6.0",
Dependencies.`jackson-databind`
),
// Work around https://github.com/eclipse/lsp4j/issues/295
dependencyOverrides += "org.eclipse.xtend" % "org.eclipse.xtend.lib" % "2.16.0",
javaOptions := (javaOptions in `scala3-compiler-bootstrapped`).value,
run := Def.inputTaskDyn {
val inputArgs = spaceDelimited("<arg>").parsed