/* Title: Pure/System/build.scala
Author: Makarius
Build and manage Isabelle sessions.
*/
package isabelle
import java.io.File
import scala.collection.mutable
object Build
{
/* command line entry point */
private object Bool
{
def unapply(s: String): Option[Boolean] =
s match {
case "true" => Some(true)
case "false" => Some(false)
case _ => None
}
}
def main(args: Array[String])
{
def bad_args(): Nothing = error("Bad arguments: " + args.toString)
val rc =
try {
args.toList match {
case Bool(all_sessions) :: Bool(build_images) :: Bool(list_only) :: rest =>
rest.indexWhere(_ == "\n") match {
case -1 => bad_args()
case i =>
val (options, rest1) = rest.splitAt(i)
val sessions = rest1.tail
build(all_sessions, build_images, list_only, options, sessions)
}
case _ => bad_args()
}
}
catch {
case exn: Throwable => java.lang.System.err.println(Exn.message(exn)); 2
}
sys.exit(rc)
}
/* build */
def build(all_sessions: Boolean, build_images: Boolean, list_only: Boolean,
options: List[String], sessions: List[String]): Int =
{
println("options = " + options.toString)
println("sessions = " + sessions.toString)
find_sessions() foreach println
0
}
/** session information **/
type Options = List[(String, Option[String])]
case class Session_Info(
dir: Path,
name: String,
parent: String,
description: String,
options: Options,
theories: List[(Options, String)],
files: List[String])
private val pure_info =
Session_Info(Path.current, "Pure", "", "", Nil, List((Nil, "Pure")), Nil)
/* parsing */
val ROOT_NAME = "ROOT"
private case class Session_Entry(
name: String,
reset: Boolean,
path: Option[String],
parent: String,
description: String,
options: Options,
theories: List[(Options, List[String])],
files: List[String])
private object Parser extends Parse.Parser
{
val SESSION = "session"
val IN = "in"
val DESCRIPTION = "description"
val OPTIONS = "options"
val THEORIES = "theories"
val FILES = "files"
val syntax =
Outer_Syntax.empty + "!" + "(" + ")" + "+" + "," + "=" + "[" + "]" +
SESSION + IN + DESCRIPTION + OPTIONS + THEORIES + FILES
val session_entry: Parser[Session_Entry] =
{
val session_name = atom("session name", _.is_name)
val theory_name = atom("theory name", _.is_name)
val option =
name ~ opt(keyword("=") ~! name ^^ { case _ ~ x => x }) ^^ { case x ~ y => (x, y) }
val options = keyword("[") ~> repsep(option, keyword(",")) <~ keyword("]")
val theories =
keyword(THEORIES) ~! ((options | success(Nil)) ~ rep1(theory_name)) ^^
{ case _ ~ (x ~ y) => (x, y) }
((keyword(SESSION) ~! session_name) ^^ { case _ ~ x => x }) ~
(keyword("!") ^^^ true | success(false)) ~
(opt(keyword(IN) ~! string ^^ { case _ ~ x => x })) ~
(keyword("=") ~> session_name <~ keyword("+")) ~
(keyword(DESCRIPTION) ~! text ^^ { case _ ~ x => x } | success("")) ~
(keyword(OPTIONS) ~! options ^^ { case _ ~ x => x } | success(Nil)) ~
rep1(theories) ~
(keyword(FILES) ~! rep1(path) ^^ { case _ ~ x => x } | success(Nil)) ^^
{ case a ~ b ~ c ~ d ~ e ~ f ~ g ~ h => Session_Entry(a, b, c, d, e, f, g, h) }
}
def parse_entries(root: File): List[Session_Entry] =
{
val toks = syntax.scan(Standard_System.read_file(root))
parse_all(rep(session_entry), Token.reader(toks, root.toString)) match {
case Success(result, _) => result
case bad => error(bad.toString)
}
}
}
/* find session */
def find_sessions(more_dirs: List[Path] = Nil): List[Session_Info] =
{
val infos = new mutable.ListBuffer[Session_Info]
infos += pure_info
for {
dir <- Isabelle_System.components() ++ more_dirs
root = Isabelle_System.platform_file(dir + Path.basic(ROOT_NAME))
if root.isFile
entry <- Parser.parse_entries(root)
}
{
try {
val parent =
infos.find(_.name == entry.parent) getOrElse
error("Unknown parent session: " + quote(entry.parent))
val full_name =
if (entry.reset) entry.name
else parent.name + "-" + entry.name
val path =
entry.path match {
case Some(p) => Path.explode(p)
case None => Path.basic(entry.name)
}
val thys = entry.theories.map({ case (x, ys) => ys.map(y => (x, y)) }).flatten
val info =
Session_Info(dir + path, full_name, entry.parent, entry.description,
entry.options, thys, entry.files)
infos += info
}
catch {
case ERROR(msg) =>
error(msg + "\nThe error(s) above occurred in session entry " +
quote(entry.name) + " (file " + quote(root.toString) + ")")
}
}
infos.toList
}
}