wenzelm@48276: /*  Title:      Pure/System/build.scala
wenzelm@48276:     Author:     Makarius
wenzelm@48276: 
wenzelm@48276: Build and manage Isabelle sessions.
wenzelm@48276: */
wenzelm@48276: 
wenzelm@48276: package isabelle
wenzelm@48276: 
wenzelm@48276: 
wenzelm@48335: import java.io.File
wenzelm@48335: 
wenzelm@48337: import scala.collection.mutable
wenzelm@48340: import scala.annotation.tailrec
wenzelm@48337: 
wenzelm@48335: 
wenzelm@48276: object Build
wenzelm@48276: {
wenzelm@48276:   /* command line entry point */
wenzelm@48276: 
wenzelm@48276:   private object Bool
wenzelm@48276:   {
wenzelm@48276:     def unapply(s: String): Option[Boolean] =
wenzelm@48276:       s match {
wenzelm@48276:         case "true" => Some(true)
wenzelm@48276:         case "false" => Some(false)
wenzelm@48276:         case _ => None
wenzelm@48276:       }
wenzelm@48276:   }
wenzelm@48276: 
wenzelm@48340:   private object Chunks
wenzelm@48340:   {
wenzelm@48340:     private def chunks(list: List[String]): List[List[String]] =
wenzelm@48340:       list.indexWhere(_ == "\n") match {
wenzelm@48340:         case -1 => List(list)
wenzelm@48340:         case i =>
wenzelm@48340:           val (chunk, rest) = list.splitAt(i)
wenzelm@48340:           chunk :: chunks(rest.tail)
wenzelm@48340:       }
wenzelm@48340:     def unapplySeq(list: List[String]): Option[List[List[String]]] = Some(chunks(list))
wenzelm@48340:   }
wenzelm@48340: 
wenzelm@48276:   def main(args: Array[String])
wenzelm@48276:   {
wenzelm@48335:     val rc =
wenzelm@48335:       try {
wenzelm@48335:         args.toList match {
wenzelm@48340:           case Bool(all_sessions) :: Bool(build_images) :: Bool(list_only) ::
wenzelm@48340:             Chunks(more_dirs, options, sessions) =>
wenzelm@48340:               build(all_sessions, build_images, list_only,
wenzelm@48340:                 more_dirs.map(Path.explode), options, sessions)
wenzelm@48340:           case _ => error("Bad arguments:\n" + cat_lines(args))
wenzelm@48276:         }
wenzelm@48335:       }
wenzelm@48335:       catch {
wenzelm@48335:         case exn: Throwable => java.lang.System.err.println(Exn.message(exn)); 2
wenzelm@48335:       }
wenzelm@48335:     sys.exit(rc)
wenzelm@48276:   }
wenzelm@48276: 
wenzelm@48276: 
wenzelm@48276:   /* build */
wenzelm@48276: 
wenzelm@48276:   def build(all_sessions: Boolean, build_images: Boolean, list_only: Boolean,
wenzelm@48340:     more_dirs: List[Path], options: List[String], sessions: List[String]): Int =
wenzelm@48276:   {
wenzelm@48340:     println("more_dirs = " + more_dirs.toString)
wenzelm@48276:     println("options = " + options.toString)
wenzelm@48276:     println("sessions = " + sessions.toString)
wenzelm@48276: 
wenzelm@48340:     find_sessions(more_dirs) foreach println
wenzelm@48335: 
wenzelm@48335:     0
wenzelm@48276:   }
wenzelm@48280: 
wenzelm@48280: 
wenzelm@48337:   /** session information **/
wenzelm@48334: 
wenzelm@48334:   type Options = List[(String, Option[String])]
wenzelm@48334: 
wenzelm@48280:   case class Session_Info(
wenzelm@48334:     dir: Path,
wenzelm@48334:     name: String,
wenzelm@48334:     parent: String,
wenzelm@48334:     description: String,
wenzelm@48334:     options: Options,
wenzelm@48334:     theories: List[(Options, String)],
wenzelm@48334:     files: List[String])
wenzelm@48334: 
wenzelm@48337:   private val pure_info =
wenzelm@48337:     Session_Info(Path.current, "Pure", "", "", Nil, List((Nil, "Pure")), Nil)
wenzelm@48337: 
wenzelm@48337: 
wenzelm@48337:   /* parsing */
wenzelm@48337: 
wenzelm@48337:   val ROOT_NAME = "ROOT"
wenzelm@48337: 
wenzelm@48337:   private case class Session_Entry(
wenzelm@48337:     name: String,
wenzelm@48337:     reset: Boolean,
wenzelm@48337:     path: Option[String],
wenzelm@48337:     parent: String,
wenzelm@48337:     description: String,
wenzelm@48337:     options: Options,
wenzelm@48337:     theories: List[(Options, List[String])],
wenzelm@48337:     files: List[String])
wenzelm@48337: 
wenzelm@48334:   private object Parser extends Parse.Parser
wenzelm@48334:   {
wenzelm@48334:     val SESSION = "session"
wenzelm@48334:     val IN = "in"
wenzelm@48334:     val DESCRIPTION = "description"
wenzelm@48334:     val OPTIONS = "options"
wenzelm@48334:     val THEORIES = "theories"
wenzelm@48334:     val FILES = "files"
wenzelm@48334: 
wenzelm@48334:     val syntax =
wenzelm@48336:       Outer_Syntax.empty + "!" + "(" + ")" + "+" + "," + "=" + "[" + "]" +
wenzelm@48336:         SESSION + IN + DESCRIPTION + OPTIONS + THEORIES + FILES
wenzelm@48334: 
wenzelm@48337:     val session_entry: Parser[Session_Entry] =
wenzelm@48334:     {
wenzelm@48334:       val session_name = atom("session name", _.is_name)
wenzelm@48334:       val theory_name = atom("theory name", _.is_name)
wenzelm@48280: 
wenzelm@48334:       val option =
wenzelm@48334:         name ~ opt(keyword("=") ~! name ^^ { case _ ~ x => x }) ^^ { case x ~ y => (x, y) }
wenzelm@48337:       val options = keyword("[") ~> repsep(option, keyword(",")) <~ keyword("]")
wenzelm@48334: 
wenzelm@48334:       val theories =
wenzelm@48334:         keyword(THEORIES) ~! ((options | success(Nil)) ~ rep1(theory_name)) ^^
wenzelm@48334:           { case _ ~ (x ~ y) => (x, y) }
wenzelm@48334: 
wenzelm@48334:       ((keyword(SESSION) ~! session_name) ^^ { case _ ~ x => x }) ~
wenzelm@48336:         (keyword("!") ^^^ true | success(false)) ~
wenzelm@48337:         (opt(keyword(IN) ~! string ^^ { case _ ~ x => x })) ~
wenzelm@48334:         (keyword("=") ~> session_name <~ keyword("+")) ~
wenzelm@48334:         (keyword(DESCRIPTION) ~! text ^^ { case _ ~ x => x } | success("")) ~
wenzelm@48334:         (keyword(OPTIONS) ~! options ^^ { case _ ~ x => x } | success(Nil)) ~
wenzelm@48337:         rep1(theories) ~
wenzelm@48336:         (keyword(FILES) ~! rep1(path) ^^ { case _ ~ x => x } | success(Nil)) ^^
wenzelm@48337:           { case a ~ b ~ c ~ d ~ e ~ f ~ g ~ h => Session_Entry(a, b, c, d, e, f, g, h) }
wenzelm@48334:     }
wenzelm@48334: 
wenzelm@48337:     def parse_entries(root: File): List[Session_Entry] =
wenzelm@48334:     {
wenzelm@48335:       val toks = syntax.scan(Standard_System.read_file(root))
wenzelm@48337:       parse_all(rep(session_entry), Token.reader(toks, root.toString)) match {
wenzelm@48334:         case Success(result, _) => result
wenzelm@48334:         case bad => error(bad.toString)
wenzelm@48334:       }
wenzelm@48334:     }
wenzelm@48334:   }
wenzelm@48280: 
wenzelm@48337: 
wenzelm@48337:   /* find session */
wenzelm@48337: 
wenzelm@48340:   def find_sessions(more_dirs: List[Path]): List[Session_Info] =
wenzelm@48280:   {
wenzelm@48337:     val infos = new mutable.ListBuffer[Session_Info]
wenzelm@48337:     infos += pure_info
wenzelm@48337: 
wenzelm@48280:     for {
wenzelm@48340:       (dir, strict) <- Isabelle_System.components().map((_, false)) ++ more_dirs.map((_, true))
wenzelm@48280:       root = Isabelle_System.platform_file(dir + Path.basic(ROOT_NAME))
wenzelm@48340:       _ = (strict && !root.isFile && error("Bad session root file: " + quote(root.toString)))
wenzelm@48280:       if root.isFile
wenzelm@48337:       entry <- Parser.parse_entries(root)
wenzelm@48337:     }
wenzelm@48337:     {
wenzelm@48337:       try {
wenzelm@48337:         val parent =
wenzelm@48337:           infos.find(_.name == entry.parent) getOrElse
wenzelm@48337:            error("Unknown parent session: " + quote(entry.parent))
wenzelm@48337:         val full_name =
wenzelm@48337:           if (entry.reset) entry.name
wenzelm@48337:           else parent.name + "-" + entry.name
wenzelm@48339: 
wenzelm@48339:         if (entry.name == "") error("Bad session name")
wenzelm@48339:         if (infos.exists(_.name == full_name))
wenzelm@48339:           error("Duplicate session name: " + quote(full_name))
wenzelm@48339: 
wenzelm@48337:         val path =
wenzelm@48337:           entry.path match {
wenzelm@48337:             case Some(p) => Path.explode(p)
wenzelm@48337:             case None => Path.basic(entry.name)
wenzelm@48337:           }
wenzelm@48337:         val thys = entry.theories.map({ case (x, ys) => ys.map(y => (x, y)) }).flatten
wenzelm@48337:         val info =
wenzelm@48337:           Session_Info(dir + path, full_name, entry.parent, entry.description,
wenzelm@48337:             entry.options, thys, entry.files)
wenzelm@48339: 
wenzelm@48337:         infos += info
wenzelm@48337:       }
wenzelm@48337:       catch {
wenzelm@48337:         case ERROR(msg) =>
wenzelm@48337:           error(msg + "\nThe error(s) above occurred in session entry " +
wenzelm@48337:             quote(entry.name) + " (file " + quote(root.toString) + ")")
wenzelm@48337:       }
wenzelm@48337:     }
wenzelm@48337:     infos.toList
wenzelm@48280:   }
wenzelm@48276: }
wenzelm@48276: