--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/Pure/Tools/ml_process.scala Thu Mar 10 10:07:23 2016 +0100
@@ -0,0 +1,155 @@
+/* Title: Pure/Tools/ml_process.scala
+ Author: Makarius
+
+The raw ML process.
+*/
+
+package isabelle
+
+
+import java.io.{File => JFile}
+
+
+object ML_Process
+{
+ def apply(options: Options,
+ heap: String = "",
+ args: List[String] = Nil,
+ modes: List[String] = Nil,
+ secure: Boolean = false,
+ cwd: JFile = null,
+ env: Map[String, String] = Map.empty,
+ redirect: Boolean = false,
+ channel: Option[System_Channel] = None): Bash.Process =
+ {
+ val load_heaps =
+ {
+ if (heap == "RAW_ML_SYSTEM") Nil
+ else if (heap.iterator.contains('/')) {
+ val heap_path = Path.explode(heap)
+ if (!heap_path.is_file) error("Bad heap file: " + heap_path)
+ List(heap_path)
+ }
+ else {
+ val dirs = Isabelle_System.find_logics_dirs()
+ val heap_name = if (heap == "") Isabelle_System.getenv_strict("ISABELLE_LOGIC") else heap
+ dirs.map(_ + Path.basic(heap_name)).find(_.is_file) match {
+ case Some(heap_path) => List(heap_path)
+ case None =>
+ error("Unknown logic " + quote(heap) + " -- no heap file found in:\n" +
+ cat_lines(dirs.map(dir => " " + dir.implode)))
+ }
+ }
+ }
+
+ val eval_heaps =
+ load_heaps.map(load_heap =>
+ "(PolyML.SaveState.loadState " + ML_Syntax.print_string_raw(File.platform_path(load_heap)) +
+ "; PolyML.print_depth 0) handle exn => (TextIO.output (TextIO.stdErr, General.exnMessage exn ^ " +
+ ML_Syntax.print_string_raw(": " + load_heap.toString + "\n") +
+ "); OS.Process.exit OS.Process.failure)")
+
+ val eval_initial =
+ if (load_heaps.isEmpty) {
+ List(
+ if (Platform.is_windows)
+ "fun exit 0 = OS.Process.exit OS.Process.success" +
+ " | exit 1 = OS.Process.exit OS.Process.failure" +
+ " | exit rc = OS.Process.exit (RunCall.unsafeCast (Word8.fromInt rc))"
+ else
+ "fun exit rc = Posix.Process.exit (Word8.fromInt rc)",
+ "PolyML.Compiler.prompt1 := \"ML> \"",
+ "PolyML.Compiler.prompt2 := \"ML# \"")
+ }
+ else Nil
+
+ val eval_modes =
+ if (modes.isEmpty) Nil
+ else List("Print_Mode.add_modes " + ML_Syntax.print_list(ML_Syntax.print_string_raw _)(modes))
+
+ // options
+ val isabelle_process_options = Isabelle_System.tmp_file("options")
+ File.write(isabelle_process_options, YXML.string_of_body(options.encode))
+ val env_options = Map("ISABELLE_PROCESS_OPTIONS" -> File.standard_path(isabelle_process_options))
+ val eval_options = if (load_heaps.isEmpty) Nil else List("Options.load_default ()")
+
+ val eval_secure = if (secure) List("Secure.set_secure ()") else Nil
+
+ val eval_process =
+ if (load_heaps.isEmpty)
+ List("PolyML.print_depth 10")
+ else
+ channel match {
+ case None =>
+ List("(default_print_depth 10; Isabelle_Process.init_options ())")
+ case Some(ch) =>
+ List("(default_print_depth 10; Isabelle_Process.init_protocol " +
+ ML_Syntax.print_string_raw(ch.server_name) + ")")
+ }
+
+ // bash
+ val bash_args =
+ Word.explode(Isabelle_System.getenv("ML_OPTIONS")) :::
+ (eval_heaps ::: eval_initial ::: eval_modes ::: eval_options ::: eval_secure ::: eval_process).
+ map(eval => List("--eval", eval)).flatten ::: args
+
+ Bash.process(
+ """
+ [ -z "$ISABELLE_TMP_PREFIX" ] && ISABELLE_TMP_PREFIX=/tmp/isabelle
+
+ export ISABELLE_PID="$$"
+ export ISABELLE_TMP="$ISABELLE_TMP_PREFIX$ISABELLE_PID"
+ mkdir -p "$ISABELLE_TMP"
+ chmod $(umask -S) "$ISABELLE_TMP"
+
+ librarypath "$ML_HOME"
+ "$ML_HOME/poly" -q """ + File.bash_args(bash_args) + """
+ RC="$?"
+
+ rm -f "$ISABELLE_PROCESS_OPTIONS"
+ rmdir "$ISABELLE_TMP"
+
+ exit "$RC"
+ """, cwd = cwd, env = env ++ env_options, redirect = redirect)
+ }
+
+
+ /* command line entry point */
+
+ def main(args: Array[String])
+ {
+ Command_Line.tool {
+ var eval_args: List[String] = Nil
+ var modes: List[String] = Nil
+ var options = Options.init()
+
+ val getopts = Getopts("""
+Usage: isabelle_process [OPTIONS] [HEAP]
+
+ Options are:
+ -e ML_EXPR evaluate ML expression on startup
+ -f ML_FILE evaluate ML file on startup
+ -m MODE add print mode for output
+ -o OPTION override Isabelle system OPTION (via NAME=VAL or NAME)
+
+ If HEAP is a plain name (default $ISABELLE_LOGIC), it is searched in
+ $ISABELLE_PATH; if it contains a slash, it is taken as literal file;
+ if it is RAW_ML_SYSTEM, the initial ML heap is used.
+""",
+ "e:" -> (arg => eval_args = eval_args ::: List("--eval", arg)),
+ "f:" -> (arg => eval_args = eval_args ::: List("--use", arg)),
+ "m:" -> (arg => modes = arg :: modes),
+ "o:" -> (arg => options = options + arg))
+
+ val heap =
+ getopts(args) match {
+ case Nil => ""
+ case List(heap) => heap
+ case _ => getopts.usage()
+ }
+
+ ML_Process(options, heap = heap, args = eval_args ::: args.toList, modes = modes).
+ result().print_stdout.rc
+ }
+ }
+}