author | wenzelm |
Thu, 14 Aug 2014 16:20:14 +0200 | |
changeset 57942 | e5bec882fdd0 |
parent 56630 | d06c44532706 |
child 62470 | 9037ed690e19 |
permissions | -rw-r--r-- |
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(* Title: Pure/System/command_line.ML |
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Author: Makarius |
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Support for Isabelle/ML command line tools. |
181b91e1d1c1
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*) |
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signature COMMAND_LINE = |
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sig |
48731
a45ba78abcc1
more casual exit back to ML toplevel, to accomodate commit in SML/NJ which continues at the saved point;
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val tool: (unit -> int) -> unit |
51312
0ce544fbb509
more robust build error handling, e.g. missing outer syntax commands;
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val tool0: (unit -> unit) -> unit |
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end; |
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structure Command_Line: COMMAND_LINE = |
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struct |
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fun tool body = |
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uninterruptible (fn restore_attributes => fn () => |
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let |
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val rc = |
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restore_attributes body () handle exn => |
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clarified exit code for the rare situation where Runtime.exn_error_message might fail;
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Exn.capture_exit 2 (fn () => (Runtime.exn_error_message exn; raise exn)) (); |
48731
a45ba78abcc1
more casual exit back to ML toplevel, to accomodate commit in SML/NJ which continues at the saved point;
wenzelm
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in if rc = 0 then () else exit rc end) (); |
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181b91e1d1c1
prefer general Command_Line.tool wrapper (cf. Scala version);
wenzelm
parents:
diff
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51312
0ce544fbb509
more robust build error handling, e.g. missing outer syntax commands;
wenzelm
parents:
48731
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fun tool0 body = tool (fn () => (body (); 0)); |
0ce544fbb509
more robust build error handling, e.g. missing outer syntax commands;
wenzelm
parents:
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end; |
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