author | wenzelm |
Sat, 23 May 2020 12:04:24 +0200 | |
changeset 71870 | 82abfda58667 |
parent 71792 | 936718dede80 |
child 71889 | 8dbefe849666 |
permissions | -rw-r--r-- |
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/* Title: Pure/System/isabelle_system.scala |
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Author: Makarius |
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Fundamental Isabelle system environment: quasi-static module with |
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optional init operation. |
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*/ |
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package isabelle |
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import java.io.{File => JFile, IOException} |
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import java.nio.file.{Path => JPath, Files, SimpleFileVisitor, FileVisitResult} |
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import java.nio.file.attribute.BasicFileAttributes |
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import scala.collection.mutable |
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object Isabelle_System |
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{ |
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/** bootstrap information **/ |
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def jdk_home(): String = |
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{ |
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val java_home = System.getProperty("java.home", "") |
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val home = new JFile(java_home) |
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val parent = home.getParent |
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if (home.getName == "jre" && parent != null && |
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(new JFile(new JFile(parent, "bin"), "javac")).exists) parent |
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else java_home |
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} |
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def bootstrap_directory( |
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preference: String, envar: String, property: String, description: String): String = |
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{ |
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val value = |
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proper_string(preference) orElse // explicit argument |
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proper_string(System.getenv(envar)) orElse // e.g. inherited from running isabelle tool |
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proper_string(System.getProperty(property)) getOrElse // e.g. via JVM application boot process |
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error("Unknown " + description + " directory") |
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if ((new JFile(value)).isDirectory) value |
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else error("Bad " + description + " directory " + quote(value)) |
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} |
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/** implicit settings environment **/ |
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abstract class Service |
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@volatile private var _settings: Option[Map[String, String]] = None |
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@volatile private var _services: Option[List[Service]] = None |
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def settings(): Map[String, String] = |
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{ |
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if (_settings.isEmpty) init() // unsynchronized check |
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_settings.get |
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} |
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def services(): List[Service] = |
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{ |
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if (_services.isEmpty) init() // unsynchronized check |
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_services.get |
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} |
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def init(isabelle_root: String = "", cygwin_root: String = "") |
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{ |
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synchronized { |
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if (_settings.isEmpty || _services.isEmpty) { |
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val isabelle_root1 = |
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bootstrap_directory(isabelle_root, "ISABELLE_ROOT", "isabelle.root", "Isabelle root") |
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val cygwin_root1 = |
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if (Platform.is_windows) |
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bootstrap_directory(cygwin_root, "CYGWIN_ROOT", "cygwin.root", "Cygwin root") |
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else "" |
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if (Platform.is_windows) Cygwin.init(isabelle_root1, cygwin_root1) |
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def set_cygwin_root() |
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{ |
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if (Platform.is_windows) |
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_settings = Some(_settings.getOrElse(Map.empty) + ("CYGWIN_ROOT" -> cygwin_root1)) |
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} |
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set_cygwin_root() |
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def default(env: Map[String, String], entry: (String, String)): Map[String, String] = |
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if (env.isDefinedAt(entry._1) || entry._2 == "") env |
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else env + entry |
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val env = |
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{ |
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val temp_windows = |
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{ |
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val temp = if (Platform.is_windows) System.getenv("TEMP") else null |
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if (temp != null && temp.contains('\\')) temp else "" |
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} |
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val user_home = System.getProperty("user.home", "") |
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val isabelle_app = System.getProperty("isabelle.app", "") |
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default( |
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default( |
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default(sys.env + ("ISABELLE_JDK_HOME" -> File.standard_path(jdk_home())), |
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"TEMP_WINDOWS" -> temp_windows), |
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"HOME" -> user_home), |
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"ISABELLE_APP" -> "true") |
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} |
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val settings = |
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{ |
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val dump = JFile.createTempFile("settings", null) |
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dump.deleteOnExit |
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try { |
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val cmd1 = |
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if (Platform.is_windows) |
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List(cygwin_root1 + "\\bin\\bash", "-l", |
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File.standard_path(isabelle_root1 + "\\bin\\isabelle")) |
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else |
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List(isabelle_root1 + "/bin/isabelle") |
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val cmd = cmd1 ::: List("getenv", "-d", dump.toString) |
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val (output, rc) = process_output(process(cmd, env = env, redirect = true)) |
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if (rc != 0) error(output) |
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val entries = |
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(for (entry <- File.read(dump).split("\u0000") if entry != "") yield { |
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val i = entry.indexOf('=') |
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if (i <= 0) entry -> "" |
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else entry.substring(0, i) -> entry.substring(i + 1) |
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}).toMap |
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entries + ("PATH" -> entries("PATH_JVM")) - "PATH_JVM" |
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} |
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finally { dump.delete } |
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} |
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_settings = Some(settings) |
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set_cygwin_root() |
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val variable = "ISABELLE_SCALA_SERVICES" |
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val services = |
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for (name <- space_explode(':', settings.getOrElse(variable, getenv_error(variable)))) |
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yield { |
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def err(msg: String): Nothing = |
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error("Bad entry " + quote(name) + " in " + variable + "\n" + msg) |
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try { |
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Class.forName(name).asInstanceOf[Class[Service]] |
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.getDeclaredConstructor().newInstance() |
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} |
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catch { |
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case _: ClassNotFoundException => err("Class not found") |
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case exn: Throwable => err(Exn.message(exn)) |
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} |
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} |
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_services = Some(services) |
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} |
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} |
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Scala.Compiler.default_context |
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} |
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/* getenv */ |
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private def getenv_error(name: String): Nothing = |
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error("Undefined Isabelle environment variable: " + quote(name)) |
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def getenv(name: String, env: Map[String, String] = settings()): String = |
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env.getOrElse(name, "") |
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def getenv_strict(name: String, env: Map[String, String] = settings()): String = |
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proper_string(getenv(name, env)) getOrElse |
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error("Undefined Isabelle environment variable: " + quote(name)) |
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def cygwin_root(): String = getenv_strict("CYGWIN_ROOT") |
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def isabelle_id(): String = |
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proper_string(getenv("ISABELLE_ID")) getOrElse |
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Mercurial.repository(Path.explode("~~")).parent() |
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/** file-system operations **/ |
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/* permissions */ |
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def chmod(arg: String, path: Path): Unit = |
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bash("chmod " + arg + " " + File.bash_path(path)).check |
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def chown(arg: String, path: Path): Unit = |
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bash("chown " + arg + " " + File.bash_path(path)).check |
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/* directories */ |
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def mkdirs(path: Path): Unit = |
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if (!path.is_dir) { |
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bash("perl -e \"use File::Path make_path; make_path('" + File.standard_path(path) + "');\"") |
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if (!path.is_dir) error("Failed to create directory: " + quote(File.platform_path(path))) |
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} |
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def copy_dir(dir1: Path, dir2: Path): Unit = |
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bash("cp -a " + File.bash_path(dir1) + " " + File.bash_path(dir2)).check |
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/* tmp files */ |
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def isabelle_tmp_prefix(): JFile = |
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{ |
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val path = Path.explode("$ISABELLE_TMP_PREFIX") |
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path.file.mkdirs // low-level mkdirs |
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File.platform_file(path) |
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} |
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def tmp_file(name: String, ext: String = "", base_dir: JFile = isabelle_tmp_prefix()): JFile = |
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{ |
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val suffix = if (ext == "") "" else "." + ext |
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val file = Files.createTempFile(base_dir.toPath, name, suffix).toFile |
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file.deleteOnExit |
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file |
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} |
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def with_tmp_file[A](name: String, ext: String = "")(body: Path => A): A = |
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{ |
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val file = tmp_file(name, ext) |
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try { body(File.path(file)) } finally { file.delete } |
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} |
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/* tmp dirs */ |
229 |
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64213 | 230 |
def rm_tree(root: Path): Unit = rm_tree(root.file) |
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def rm_tree(root: JFile) |
233 |
{ |
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234 |
root.delete |
|
235 |
if (root.isDirectory) { |
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236 |
Files.walkFileTree(root.toPath, |
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237 |
new SimpleFileVisitor[JPath] { |
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override def visitFile(file: JPath, attrs: BasicFileAttributes): FileVisitResult = |
|
239 |
{ |
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try { Files.deleteIfExists(file) } |
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241 |
catch { case _: IOException => } |
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FileVisitResult.CONTINUE |
243 |
} |
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244 |
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245 |
override def postVisitDirectory(dir: JPath, e: IOException): FileVisitResult = |
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246 |
{ |
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247 |
if (e == null) { |
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try { Files.deleteIfExists(dir) } |
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249 |
catch { case _: IOException => } |
56477 | 250 |
FileVisitResult.CONTINUE |
251 |
} |
|
252 |
else throw e |
|
253 |
} |
|
254 |
} |
|
255 |
) |
|
256 |
} |
|
257 |
} |
|
258 |
||
67924 | 259 |
def tmp_dir(name: String, base_dir: JFile = isabelle_tmp_prefix()): JFile = |
56477 | 260 |
{ |
67924 | 261 |
val dir = Files.createTempDirectory(base_dir.toPath, name).toFile |
56477 | 262 |
dir.deleteOnExit |
263 |
dir |
|
264 |
} |
|
265 |
||
64220 | 266 |
def with_tmp_dir[A](name: String)(body: Path => A): A = |
56477 | 267 |
{ |
268 |
val dir = tmp_dir(name) |
|
64220 | 269 |
try { body(File.path(dir)) } finally { rm_tree(dir) } |
56477 | 270 |
} |
271 |
||
272 |
||
65793 | 273 |
/* quasi-atomic update of directory */ |
274 |
||
275 |
def update_directory(dir: Path, f: Path => Unit) |
|
276 |
{ |
|
277 |
val new_dir = dir.ext("new") |
|
278 |
val old_dir = dir.ext("old") |
|
279 |
||
280 |
rm_tree(new_dir) |
|
281 |
rm_tree(old_dir) |
|
282 |
||
283 |
f(new_dir) |
|
284 |
||
285 |
if (dir.is_dir) File.move(dir, old_dir) |
|
286 |
File.move(new_dir, dir) |
|
287 |
rm_tree(old_dir) |
|
288 |
} |
|
289 |
||
290 |
||
62613 | 291 |
|
292 |
/** external processes **/ |
|
293 |
||
294 |
/* raw process */ |
|
295 |
||
296 |
def process(command_line: List[String], |
|
297 |
cwd: JFile = null, |
|
298 |
env: Map[String, String] = settings(), |
|
299 |
redirect: Boolean = false): Process = |
|
300 |
{ |
|
301 |
val proc = new ProcessBuilder |
|
302 |
proc.command(command_line:_*) // fragile on Windows |
|
303 |
if (cwd != null) proc.directory(cwd) |
|
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|
304 |
if (env != null) { |
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changeset
|
305 |
proc.environment.clear |
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306 |
for ((x, y) <- env) proc.environment.put(x, y) |
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|
307 |
} |
62613 | 308 |
proc.redirectErrorStream(redirect) |
309 |
proc.start |
|
310 |
} |
|
311 |
||
312 |
def process_output(proc: Process): (String, Int) = |
|
313 |
{ |
|
314 |
proc.getOutputStream.close |
|
315 |
||
316 |
val output = File.read_stream(proc.getInputStream) |
|
317 |
val rc = |
|
318 |
try { proc.waitFor } |
|
319 |
finally { |
|
320 |
proc.getInputStream.close |
|
321 |
proc.getErrorStream.close |
|
322 |
proc.destroy |
|
71700 | 323 |
Exn.Interrupt.dispose() |
62613 | 324 |
} |
325 |
(output, rc) |
|
326 |
} |
|
61025 | 327 |
|
328 |
def kill(signal: String, group_pid: String): (String, Int) = |
|
329 |
{ |
|
330 |
val bash = |
|
61291 | 331 |
if (Platform.is_windows) List(cygwin_root() + "\\bin\\bash.exe") |
61025 | 332 |
else List("/usr/bin/env", "bash") |
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changeset
|
333 |
process_output(process(bash ::: List("-c", "kill -" + signal + " -" + group_pid))) |
61025 | 334 |
} |
335 |
||
336 |
||
62613 | 337 |
/* GNU bash */ |
31796 | 338 |
|
62610
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diff
changeset
|
339 |
def bash(script: String, |
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changeset
|
340 |
cwd: JFile = null, |
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diff
changeset
|
341 |
env: Map[String, String] = settings(), |
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diff
changeset
|
342 |
redirect: Boolean = false, |
51962
016cb7d8f297
limit build process output, to avoid bombing Isabelle/Scala process by ill-behaved jobs (e.g. Containers in AFP/9025435b29cf);
wenzelm
parents:
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diff
changeset
|
343 |
progress_stdout: String => Unit = (_: String) => (), |
016cb7d8f297
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wenzelm
parents:
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diff
changeset
|
344 |
progress_stderr: String => Unit = (_: String) => (), |
56871
d06ff36b4fa7
expose interrupts more like ML version, but not in managed bash processes of Build;
wenzelm
parents:
56862
diff
changeset
|
345 |
progress_limit: Option[Long] = None, |
62602 | 346 |
strict: Boolean = true, |
347 |
cleanup: () => Unit = () => ()): Process_Result = |
|
34198
ff5486262cd6
moved Library.decode_permissive_utf8 to Isabelle_System;
wenzelm
parents:
34196
diff
changeset
|
348 |
{ |
62610
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wenzelm
parents:
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diff
changeset
|
349 |
Bash.process(script, cwd = cwd, env = env, redirect = redirect, cleanup = cleanup). |
62602 | 350 |
result(progress_stdout, progress_stderr, progress_limit, strict) |
34198
ff5486262cd6
moved Library.decode_permissive_utf8 to Isabelle_System;
wenzelm
parents:
34196
diff
changeset
|
351 |
} |
ff5486262cd6
moved Library.decode_permissive_utf8 to Isabelle_System;
wenzelm
parents:
34196
diff
changeset
|
352 |
|
71520 | 353 |
def jconsole(): Process_Result = |
354 |
bash("isabelle_jdk jconsole " + java.lang.ProcessHandle.current().pid).check |
|
355 |
||
64935
9437a117408b
insist in proper GNU tar, to avoid subtle semantic differences;
wenzelm
parents:
64657
diff
changeset
|
356 |
private lazy val gnutar_check: Boolean = |
9437a117408b
insist in proper GNU tar, to avoid subtle semantic differences;
wenzelm
parents:
64657
diff
changeset
|
357 |
try { bash("tar --version").check.out.containsSlice("GNU tar") || error("") } |
9437a117408b
insist in proper GNU tar, to avoid subtle semantic differences;
wenzelm
parents:
64657
diff
changeset
|
358 |
catch { case ERROR(_) => false } |
9437a117408b
insist in proper GNU tar, to avoid subtle semantic differences;
wenzelm
parents:
64657
diff
changeset
|
359 |
|
69425 | 360 |
def gnutar( |
361 |
args: String, |
|
362 |
dir: Path = Path.current, |
|
363 |
original_owner: Boolean = false, |
|
364 |
redirect: Boolean = false): Process_Result = |
|
64935
9437a117408b
insist in proper GNU tar, to avoid subtle semantic differences;
wenzelm
parents:
64657
diff
changeset
|
365 |
{ |
69425 | 366 |
val options = |
367 |
(if (dir.is_current) "" else "-C " + File.bash_path(dir) + " ") + |
|
368 |
(if (original_owner) "" else "--owner=root --group=staff ") |
|
369 |
||
370 |
if (gnutar_check) bash("tar " + options + args, redirect = redirect) |
|
64935
9437a117408b
insist in proper GNU tar, to avoid subtle semantic differences;
wenzelm
parents:
64657
diff
changeset
|
371 |
else error("Expected to find GNU tar executable") |
9437a117408b
insist in proper GNU tar, to avoid subtle semantic differences;
wenzelm
parents:
64657
diff
changeset
|
372 |
} |
9437a117408b
insist in proper GNU tar, to avoid subtle semantic differences;
wenzelm
parents:
64657
diff
changeset
|
373 |
|
64152 | 374 |
def hostname(): String = bash("hostname -s").check.out |
64139 | 375 |
|
54690 | 376 |
def open(arg: String): Unit = |
64304 | 377 |
bash("exec \"$ISABELLE_OPEN\" " + Bash.string(arg) + " >/dev/null 2>/dev/null &") |
54690 | 378 |
|
379 |
def pdf_viewer(arg: Path): Unit = |
|
62616 | 380 |
bash("exec \"$PDF_VIEWER\" " + File.bash_path(arg) + " >/dev/null 2>/dev/null &") |
54690 | 381 |
|
65916 | 382 |
def export_isabelle_identifier(isabelle_identifier: String): String = |
383 |
if (isabelle_identifier == "") "" |
|
384 |
else "export ISABELLE_IDENTIFIER=" + Bash.string(isabelle_identifier) + "\n" |
|
385 |
||
32450 | 386 |
|
62400 | 387 |
|
31796 | 388 |
/** Isabelle resources **/ |
389 |
||
64161 | 390 |
/* repository clone with Admin */ |
391 |
||
392 |
def admin(): Boolean = Path.explode("~~/Admin").is_dir |
|
393 |
||
394 |
||
32328 | 395 |
/* components */ |
396 |
||
43669 | 397 |
def components(): List[Path] = |
398 |
Path.split(getenv_strict("ISABELLE_COMPONENTS")) |
|
32328 | 399 |
|
400 |
||
62633 | 401 |
/* default logic */ |
48503 | 402 |
|
50403
87868964733c
more uniform default logic, using settings, options, args etc.;
wenzelm
parents:
50298
diff
changeset
|
403 |
def default_logic(args: String*): String = |
87868964733c
more uniform default logic, using settings, options, args etc.;
wenzelm
parents:
50298
diff
changeset
|
404 |
{ |
87868964733c
more uniform default logic, using settings, options, args etc.;
wenzelm
parents:
50298
diff
changeset
|
405 |
args.find(_ != "") match { |
87868964733c
more uniform default logic, using settings, options, args etc.;
wenzelm
parents:
50298
diff
changeset
|
406 |
case Some(logic) => logic |
87868964733c
more uniform default logic, using settings, options, args etc.;
wenzelm
parents:
50298
diff
changeset
|
407 |
case None => Isabelle_System.getenv_strict("ISABELLE_LOGIC") |
87868964733c
more uniform default logic, using settings, options, args etc.;
wenzelm
parents:
50298
diff
changeset
|
408 |
} |
87868964733c
more uniform default logic, using settings, options, args etc.;
wenzelm
parents:
50298
diff
changeset
|
409 |
} |
27919 | 410 |
} |