author | wenzelm |
Wed, 19 Oct 2011 17:04:43 +0200 | |
changeset 45199 | 42316b81ef49 |
parent 44109 | 7a44005dc2ec |
child 46502 | 3d43d4d4d071 |
permissions | -rw-r--r-- |
40743 | 1 |
(* Title: Pure/System/isabelle_system.ML |
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Author: Makarius |
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Isabelle system support. |
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*) |
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signature ISABELLE_SYSTEM = |
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sig |
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val isabelle_tool: string -> string -> int |
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val mkdirs: Path.T -> unit |
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val mkdir: Path.T -> unit |
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val copy_dir: Path.T -> Path.T -> unit |
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Isabelle_System.create_tmp_path/with_tmp_file: optional extension;
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parents:
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val create_tmp_path: string -> string -> Path.T |
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Isabelle_System.create_tmp_path/with_tmp_file: optional extension;
wenzelm
parents:
41944
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val with_tmp_file: string -> string -> (Path.T -> 'a) -> 'a |
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bb8468ae414e
slightly more standard Isabelle_System.with_tmp_file/with_tmp_dir (cf. Scala version);
wenzelm
parents:
40785
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val with_tmp_dir: string -> (Path.T -> 'a) -> 'a |
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access to process output stream via auxiliary fifo;
wenzelm
parents:
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val with_tmp_fifo: (Path.T -> 'a) -> 'a |
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val bash_output_fifo: string -> (Path.T -> 'a) -> 'a |
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wenzelm
parents:
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val bash_output: string -> string * int |
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val bash: string -> int |
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end; |
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structure Isabelle_System: ISABELLE_SYSTEM = |
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struct |
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(* bash *) |
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moved bash operations to Isabelle_System (cf. Scala version);
wenzelm
parents:
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fun bash_output s = |
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moved bash operations to Isabelle_System (cf. Scala version);
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let val {output, rc, ...} = Bash.process s |
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parents:
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in (output, rc) end; |
7f2cbc713344
moved bash operations to Isabelle_System (cf. Scala version);
wenzelm
parents:
43849
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7f2cbc713344
moved bash operations to Isabelle_System (cf. Scala version);
wenzelm
parents:
43849
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fun bash s = |
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moved bash operations to Isabelle_System (cf. Scala version);
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(case bash_output s of |
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("", rc) => rc |
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| (out, rc) => (writeln (perhaps (try (unsuffix "\n")) out); rc)); |
7f2cbc713344
moved bash operations to Isabelle_System (cf. Scala version);
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parents:
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moved bash operations to Isabelle_System (cf. Scala version);
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parents:
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(* system commands *) |
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fun isabelle_tool name args = |
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(case space_explode ":" (getenv "ISABELLE_TOOLS") |> get_first (fn dir => |
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let val path = File.platform_path (Path.append (Path.explode dir) (Path.basic name)) in |
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if can OS.FileSys.modTime path andalso |
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not (OS.FileSys.isDir path) andalso |
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OS.FileSys.access (path, [OS.FileSys.A_READ, OS.FileSys.A_EXEC]) |
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then SOME path |
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else NONE |
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end handle OS.SysErr _ => NONE) of |
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SOME path => bash (File.shell_quote path ^ " " ^ args) |
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| NONE => (writeln ("Unknown Isabelle tool: " ^ name); 2)); |
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fun system_command cmd = |
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if bash cmd <> 0 then error ("System command failed: " ^ cmd) |
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else (); |
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(* directory operations *) |
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fun mkdirs path = system_command ("mkdir -p " ^ File.shell_path path); |
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fun mkdir path = |
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if File.is_dir path then () else OS.FileSys.mkDir (File.platform_path path); |
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fun copy_dir src dst = |
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if File.eq (src, dst) then () |
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else (system_command ("cp -r -f " ^ File.shell_path src ^ "/. " ^ File.shell_path dst); ()); |
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41307
bb8468ae414e
slightly more standard Isabelle_System.with_tmp_file/with_tmp_dir (cf. Scala version);
wenzelm
parents:
40785
diff
changeset
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bb8468ae414e
slightly more standard Isabelle_System.with_tmp_file/with_tmp_dir (cf. Scala version);
wenzelm
parents:
40785
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(* unique tmp files *) |
bb8468ae414e
slightly more standard Isabelle_System.with_tmp_file/with_tmp_dir (cf. Scala version);
wenzelm
parents:
40785
diff
changeset
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42127
8223e7f4b0da
Isabelle_System.create_tmp_path/with_tmp_file: optional extension;
wenzelm
parents:
41944
diff
changeset
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fun create_tmp_path name ext = |
41307
bb8468ae414e
slightly more standard Isabelle_System.with_tmp_file/with_tmp_dir (cf. Scala version);
wenzelm
parents:
40785
diff
changeset
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let |
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Isabelle_System.create_tmp_path/with_tmp_file: optional extension;
wenzelm
parents:
41944
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val path = File.tmp_path (Path.basic (name ^ serial_string ()) |> Path.ext ext); |
41307
bb8468ae414e
slightly more standard Isabelle_System.with_tmp_file/with_tmp_dir (cf. Scala version);
wenzelm
parents:
40785
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val _ = File.exists path andalso |
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Path.print is the official way to show file-system paths to users -- note that Path.implode often indicates violation of the abstract datatype;
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raise Fail ("Temporary file already exists: " ^ Path.print path); |
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bb8468ae414e
slightly more standard Isabelle_System.with_tmp_file/with_tmp_dir (cf. Scala version);
wenzelm
parents:
40785
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in path end; |
bb8468ae414e
slightly more standard Isabelle_System.with_tmp_file/with_tmp_dir (cf. Scala version);
wenzelm
parents:
40785
diff
changeset
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42127
8223e7f4b0da
Isabelle_System.create_tmp_path/with_tmp_file: optional extension;
wenzelm
parents:
41944
diff
changeset
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fun with_tmp_file name ext f = |
8223e7f4b0da
Isabelle_System.create_tmp_path/with_tmp_file: optional extension;
wenzelm
parents:
41944
diff
changeset
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let val path = create_tmp_path name ext |
8223e7f4b0da
Isabelle_System.create_tmp_path/with_tmp_file: optional extension;
wenzelm
parents:
41944
diff
changeset
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in Exn.release (Exn.capture f path before ignore (try File.rm path)) end; |
41307
bb8468ae414e
slightly more standard Isabelle_System.with_tmp_file/with_tmp_dir (cf. Scala version);
wenzelm
parents:
40785
diff
changeset
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42127
8223e7f4b0da
Isabelle_System.create_tmp_path/with_tmp_file: optional extension;
wenzelm
parents:
41944
diff
changeset
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fun rm_tree path = system_command ("rm -r -f " ^ File.shell_path path); |
41307
bb8468ae414e
slightly more standard Isabelle_System.with_tmp_file/with_tmp_dir (cf. Scala version);
wenzelm
parents:
40785
diff
changeset
|
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bb8468ae414e
slightly more standard Isabelle_System.with_tmp_file/with_tmp_dir (cf. Scala version);
wenzelm
parents:
40785
diff
changeset
|
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fun with_tmp_dir name f = |
bb8468ae414e
slightly more standard Isabelle_System.with_tmp_file/with_tmp_dir (cf. Scala version);
wenzelm
parents:
40785
diff
changeset
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let |
42127
8223e7f4b0da
Isabelle_System.create_tmp_path/with_tmp_file: optional extension;
wenzelm
parents:
41944
diff
changeset
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val path = create_tmp_path name ""; |
41307
bb8468ae414e
slightly more standard Isabelle_System.with_tmp_file/with_tmp_dir (cf. Scala version);
wenzelm
parents:
40785
diff
changeset
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val _ = mkdirs path; |
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87adb55fb0fb
make SML/NJ and Poly/ML agree on the type of "before";
wenzelm
parents:
41307
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in Exn.release (Exn.capture f path before ignore (try rm_tree path)) end; |
41307
bb8468ae414e
slightly more standard Isabelle_System.with_tmp_file/with_tmp_dir (cf. Scala version);
wenzelm
parents:
40785
diff
changeset
|
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43850
7f2cbc713344
moved bash operations to Isabelle_System (cf. Scala version);
wenzelm
parents:
43849
diff
changeset
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(* fifo *) |
43850
7f2cbc713344
moved bash operations to Isabelle_System (cf. Scala version);
wenzelm
parents:
43849
diff
changeset
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00f4b305687d
access to process output stream via auxiliary fifo;
wenzelm
parents:
43606
diff
changeset
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fun with_tmp_fifo f = |
00f4b305687d
access to process output stream via auxiliary fifo;
wenzelm
parents:
43606
diff
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with_tmp_file "isabelle-fifo-" "" |
00f4b305687d
access to process output stream via auxiliary fifo;
wenzelm
parents:
43606
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(fn path => |
00f4b305687d
access to process output stream via auxiliary fifo;
wenzelm
parents:
43606
diff
changeset
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(case bash_output ("mkfifo -m 600 " ^ File.shell_path path) of |
00f4b305687d
access to process output stream via auxiliary fifo;
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parents:
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(_, 0) => f path |
00f4b305687d
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wenzelm
parents:
43606
diff
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| (out, _) => error (perhaps (try (unsuffix "\n")) out))); |
00f4b305687d
access to process output stream via auxiliary fifo;
wenzelm
parents:
43606
diff
changeset
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(* FIXME blocks on Cygwin 1.7.x *) |
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(* See also http://cygwin.com/ml/cygwin/2010-08/msg00459.html *) |
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fun bash_output_fifo script f = |
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access to process output stream via auxiliary fifo;
wenzelm
parents:
43606
diff
changeset
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with_tmp_fifo (fn fifo => |
00f4b305687d
access to process output stream via auxiliary fifo;
wenzelm
parents:
43606
diff
changeset
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uninterruptible (fn restore_attributes => fn () => |
43850
7f2cbc713344
moved bash operations to Isabelle_System (cf. Scala version);
wenzelm
parents:
43849
diff
changeset
|
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(case Bash.process (script ^ " > " ^ File.shell_path fifo ^ " &") of |
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00f4b305687d
access to process output stream via auxiliary fifo;
wenzelm
parents:
43606
diff
changeset
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{rc = 0, terminate, ...} => |
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(restore_attributes f fifo handle exn => (terminate (); reraise exn)) |
43849
00f4b305687d
access to process output stream via auxiliary fifo;
wenzelm
parents:
43606
diff
changeset
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| {output, ...} => error (perhaps (try (unsuffix "\n")) output))) ()); |
00f4b305687d
access to process output stream via auxiliary fifo;
wenzelm
parents:
43606
diff
changeset
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end; |
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