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/* Title: Pure/System/build.scala
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Author: Makarius
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Build and manage Isabelle sessions.
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*/
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package isabelle
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import java.io.File
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import scala.collection.mutable
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import scala.annotation.tailrec
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object Build
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{
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/* command line entry point */
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private object Bool
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{
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def unapply(s: String): Option[Boolean] =
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s match {
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case "true" => Some(true)
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case "false" => Some(false)
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case _ => None
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}
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}
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private object Chunks
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{
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private def chunks(list: List[String]): List[List[String]] =
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list.indexWhere(_ == "\n") match {
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case -1 => List(list)
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case i =>
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val (chunk, rest) = list.splitAt(i)
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chunk :: chunks(rest.tail)
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}
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def unapplySeq(list: List[String]): Option[List[List[String]]] = Some(chunks(list))
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}
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def main(args: Array[String])
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{
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val rc =
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try {
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args.toList match {
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case Bool(all_sessions) :: Bool(build_images) :: Bool(list_only) ::
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Chunks(more_dirs, options, sessions) =>
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build(all_sessions, build_images, list_only,
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more_dirs.map(Path.explode), options, sessions)
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case _ => error("Bad arguments:\n" + cat_lines(args))
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}
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}
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catch {
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case exn: Throwable => java.lang.System.err.println(Exn.message(exn)); 2
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}
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sys.exit(rc)
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}
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/* build */
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def build(all_sessions: Boolean, build_images: Boolean, list_only: Boolean,
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more_dirs: List[Path], options: List[String], sessions: List[String]): Int =
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{
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println("more_dirs = " + more_dirs.toString)
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println("options = " + options.toString)
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println("sessions = " + sessions.toString)
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find_sessions(more_dirs) foreach println
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0
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}
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/** session information **/
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type Options = List[(String, Option[String])]
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case class Session_Info(
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dir: Path,
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name: String,
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parent: String,
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description: String,
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options: Options,
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theories: List[(Options, String)],
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files: List[String])
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private val pure_info =
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Session_Info(Path.current, "Pure", "", "", Nil, List((Nil, "Pure")), Nil)
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/* parsing */
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val ROOT_NAME = "ROOT"
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private case class Session_Entry(
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name: String,
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reset: Boolean,
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path: Option[String],
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parent: String,
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description: String,
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options: Options,
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theories: List[(Options, List[String])],
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files: List[String])
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private object Parser extends Parse.Parser
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{
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val SESSION = "session"
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val IN = "in"
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val DESCRIPTION = "description"
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val OPTIONS = "options"
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val THEORIES = "theories"
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val FILES = "files"
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val syntax =
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Outer_Syntax.empty + "!" + "(" + ")" + "+" + "," + "=" + "[" + "]" +
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SESSION + IN + DESCRIPTION + OPTIONS + THEORIES + FILES
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val session_entry: Parser[Session_Entry] =
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{
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val session_name = atom("session name", _.is_name)
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val theory_name = atom("theory name", _.is_name)
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val option =
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name ~ opt(keyword("=") ~! name ^^ { case _ ~ x => x }) ^^ { case x ~ y => (x, y) }
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val options = keyword("[") ~> repsep(option, keyword(",")) <~ keyword("]")
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val theories =
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keyword(THEORIES) ~! ((options | success(Nil)) ~ rep1(theory_name)) ^^
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{ case _ ~ (x ~ y) => (x, y) }
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((keyword(SESSION) ~! session_name) ^^ { case _ ~ x => x }) ~
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(keyword("!") ^^^ true | success(false)) ~
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(opt(keyword(IN) ~! string ^^ { case _ ~ x => x })) ~
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(keyword("=") ~> session_name <~ keyword("+")) ~
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(keyword(DESCRIPTION) ~! text ^^ { case _ ~ x => x } | success("")) ~
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(keyword(OPTIONS) ~! options ^^ { case _ ~ x => x } | success(Nil)) ~
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rep1(theories) ~
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(keyword(FILES) ~! rep1(path) ^^ { case _ ~ x => x } | success(Nil)) ^^
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{ case a ~ b ~ c ~ d ~ e ~ f ~ g ~ h => Session_Entry(a, b, c, d, e, f, g, h) }
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}
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def parse_entries(root: File): List[Session_Entry] =
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{
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val toks = syntax.scan(Standard_System.read_file(root))
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parse_all(rep(session_entry), Token.reader(toks, root.toString)) match {
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case Success(result, _) => result
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case bad => error(bad.toString)
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}
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}
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}
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/* find session */
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def find_sessions(more_dirs: List[Path]): List[Session_Info] =
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{
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val infos = new mutable.ListBuffer[Session_Info]
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infos += pure_info
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for {
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(dir, strict) <- Isabelle_System.components().map((_, false)) ++ more_dirs.map((_, true))
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root = Isabelle_System.platform_file(dir + Path.basic(ROOT_NAME))
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_ = (strict && !root.isFile && error("Bad session root file: " + quote(root.toString)))
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if root.isFile
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entry <- Parser.parse_entries(root)
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}
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{
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try {
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val parent =
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infos.find(_.name == entry.parent) getOrElse
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error("Unknown parent session: " + quote(entry.parent))
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val full_name =
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if (entry.reset) entry.name
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else parent.name + "-" + entry.name
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if (entry.name == "") error("Bad session name")
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if (infos.exists(_.name == full_name))
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error("Duplicate session name: " + quote(full_name))
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val path =
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entry.path match {
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case Some(p) => Path.explode(p)
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case None => Path.basic(entry.name)
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}
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val thys = entry.theories.map({ case (x, ys) => ys.map(y => (x, y)) }).flatten
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val info =
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Session_Info(dir + path, full_name, entry.parent, entry.description,
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entry.options, thys, entry.files)
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infos += info
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}
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catch {
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case ERROR(msg) =>
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error(msg + "\nThe error(s) above occurred in session entry " +
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quote(entry.name) + " (file " + quote(root.toString) + ")")
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}
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}
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infos.toList
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}
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}
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