diff options
Diffstat (limited to 'src/compiler/scala')
5 files changed, 68 insertions, 7 deletions
diff --git a/src/compiler/scala/tools/ant/templates/tool-unix.tmpl b/src/compiler/scala/tools/ant/templates/tool-unix.tmpl index 5e6b3c041e..b5a238f7be 100755 --- a/src/compiler/scala/tools/ant/templates/tool-unix.tmpl +++ b/src/compiler/scala/tools/ant/templates/tool-unix.tmpl @@ -160,7 +160,7 @@ while [[ $# -gt 0 ]]; do shift 2 ;; -nobootcp) - unset usebootcp + usebootcp="false" shift ;; -usebootcp) @@ -189,15 +189,22 @@ declare -a classpath_args # default to the boot classpath for speed, except on cygwin/mingw/msys because # JLine on Windows requires a custom DLL to be loaded. -unset usebootcp -if [[ -z "$cygwin$mingw$msys" ]]; then +if [[ "$usebootcp" != "false" && -z "$cygwin$mingw$msys" ]]; then usebootcp="true" fi # If using the boot classpath, also pass an empty classpath # to java to suppress "." from materializing. -if [[ -n $usebootcp ]]; then +if [[ "$usebootcp" == "true" ]]; then classpath_args=("-Xbootclasspath/a:$TOOL_CLASSPATH" -classpath "\"\"") + # Note that the version numbers go 1.7, 1.8, 9, 10, ... + java_release="$(cat $JAVA_HOME/release | grep JAVA_VERSION)" + if [[ ! "$java_release" =~ JAVA_VERSION=\"1\. ]]; then + # Java 9 removed sun.boot.class.path, and the supposed replacement to at least see + # the appended boot classpath (jdk.boot.class.path.append) is not visible. + # So we have to pass a custom system property that PathResolver will find. + classpath_args+=("-Dscala.boot.class.path=$TOOL_CLASSPATH") + fi else classpath_args=(-classpath "$TOOL_CLASSPATH") fi diff --git a/src/compiler/scala/tools/nsc/classpath/ClassPathFactory.scala b/src/compiler/scala/tools/nsc/classpath/ClassPathFactory.scala index 3a29f1ba11..80c5ec8828 100644 --- a/src/compiler/scala/tools/nsc/classpath/ClassPathFactory.scala +++ b/src/compiler/scala/tools/nsc/classpath/ClassPathFactory.scala @@ -4,6 +4,7 @@ package scala.tools.nsc.classpath import scala.reflect.io.{AbstractFile, VirtualDirectory} +import scala.reflect.io.Path.string2path import scala.tools.nsc.Settings import FileUtils.AbstractFileOps import scala.tools.nsc.util.ClassPath @@ -52,7 +53,10 @@ class ClassPathFactory(settings: Settings) { protected def classesInPathImpl(path: String, expand: Boolean) = for { file <- expandPath(path, expand) - dir <- Option(AbstractFile.getDirectory(file)) + dir <- { + def asImage = if (file.endsWith(".jimage")) Some(AbstractFile.getFile(file)) else None + Option(AbstractFile.getDirectory(file)).orElse(asImage) + } } yield newClassPath(dir) private def createSourcePath(file: AbstractFile): ClassPath = diff --git a/src/compiler/scala/tools/nsc/classpath/DirectoryClassPath.scala b/src/compiler/scala/tools/nsc/classpath/DirectoryClassPath.scala index c4be59d7eb..133a656206 100644 --- a/src/compiler/scala/tools/nsc/classpath/DirectoryClassPath.scala +++ b/src/compiler/scala/tools/nsc/classpath/DirectoryClassPath.scala @@ -4,7 +4,9 @@ package scala.tools.nsc.classpath import java.io.File -import java.net.URL +import java.net.{URI, URL} +import java.nio.file.{FileSystems, Files, SimpleFileVisitor} +import java.util.function.IntFunction import java.util import java.util.Comparator @@ -119,6 +121,53 @@ trait JFileDirectoryLookup[FileEntryType <: ClassRepresentation] extends Directo def asClassPathStrings: Seq[String] = Seq(dir.getPath) } +object JImageDirectoryLookup { + import java.nio.file._, java.net.URI, scala.collection.JavaConverters._ + def apply(): List[ClassPath] = { + try { + val fs = FileSystems.getFileSystem(URI.create("jrt:/")) + val dir: Path = fs.getPath("/modules") + val modules = Files.list(dir).iterator().asScala.toList + modules.map(m => new JImageDirectoryLookup(fs, m.getFileName.toString)) + } catch { + case _: ProviderNotFoundException | _: FileSystemNotFoundException => + Nil + } + } +} +class JImageDirectoryLookup(fs: java.nio.file.FileSystem, module: String) extends DirectoryLookup[ClassFileEntryImpl] with NoSourcePaths { + import java.nio.file.Path, java.nio.file._ + type F = Path + val dir: Path = fs.getPath("/modules/" + module) + + protected def emptyFiles: Array[Path] = Array.empty + protected def getSubDir(packageDirName: String): Option[Path] = { + val packageDir = dir.resolve(packageDirName) + if (Files.exists(packageDir) && Files.isDirectory(packageDir)) Some(packageDir) + else None + } + protected def listChildren(dir: Path, filter: Option[Path => Boolean]): Array[Path] = { + import scala.collection.JavaConverters._ + val f = filter.getOrElse((p: Path) => true) + Files.list(dir).iterator().asScala.filter(f).toArray[Path] + } + protected def getName(f: Path): String = f.getFileName.toString + protected def toAbstractFile(f: Path): AbstractFile = new scala.reflect.io.PlainNioFile(f) + protected def isPackage(f: Path): Boolean = Files.isDirectory(f) && mayBeValidPackage(f.getFileName.toString) + + def asURLs: Seq[URL] = Seq(dir.toUri.toURL) + def asClassPathStrings: Seq[String] = asURLs.map(_.toString) + + def findClassFile(className: String): Option[AbstractFile] = { + val relativePath = FileUtils.dirPath(className) + ".class" + val classFile = dir.resolve(relativePath) + if (Files.exists(classFile)) Some(new scala.reflect.io.PlainNioFile(classFile)) else None + } + override protected def createFileEntry(file: AbstractFile): ClassFileEntryImpl = ClassFileEntryImpl(file) + override protected def isMatchingFile(f: Path): Boolean = Files.isRegularFile(f) && f.getFileName.toString.endsWith(".class") + override private[nsc] def classes(inPackage: String): Seq[ClassFileEntry] = files(inPackage) +} + case class DirectoryClassPath(dir: File) extends JFileDirectoryLookup[ClassFileEntryImpl] with NoSourcePaths { override def findClass(className: String): Option[ClassRepresentation] = findClassFile(className) map ClassFileEntryImpl diff --git a/src/compiler/scala/tools/nsc/classpath/FileUtils.scala b/src/compiler/scala/tools/nsc/classpath/FileUtils.scala index bbcfcb24ca..2ade83c6f9 100644 --- a/src/compiler/scala/tools/nsc/classpath/FileUtils.scala +++ b/src/compiler/scala/tools/nsc/classpath/FileUtils.scala @@ -63,7 +63,7 @@ object FileUtils { // probably it should match a pattern like [a-z_]{1}[a-z0-9_]* but it cannot be changed // because then some tests in partest don't pass - private def mayBeValidPackage(dirName: String): Boolean = + def mayBeValidPackage(dirName: String): Boolean = (dirName != "META-INF") && (dirName != "") && (dirName.charAt(0) != '.') def mkFileFilter(f: JFile => Boolean) = new FileFilter { diff --git a/src/compiler/scala/tools/util/PathResolver.scala b/src/compiler/scala/tools/util/PathResolver.scala index c351b6ace1..188cabbc8d 100644 --- a/src/compiler/scala/tools/util/PathResolver.scala +++ b/src/compiler/scala/tools/util/PathResolver.scala @@ -234,6 +234,7 @@ final class PathResolver(settings: Settings) { // Assemble the elements! def basis = List[Traversable[ClassPath]]( + JImageDirectoryLookup.apply(), // 0. The Java 9 classpath (backed by the jrt:/ virtual system) classesInPath(javaBootClassPath), // 1. The Java bootstrap class path. contentsOfDirsInPath(javaExtDirs), // 2. The Java extension class path. classesInExpandedPath(javaUserClassPath), // 3. The Java application class path. |