author | wenzelm |
Wed, 20 Jun 2007 22:07:52 +0200 | |
changeset 23442 | 028e39e5e8f3 |
child 23510 | 4521fead5609 |
permissions | -rw-r--r-- |
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The Metis prover (slightly modified version from Larry);
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(* ========================================================================= *) |
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(* MOSCOW ML SPECIFIC FUNCTIONS *) |
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(* Copyright (c) 2002-2004 Joe Hurd, distributed under the GNU GPL version 2 *) |
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(* ========================================================================= *) |
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structure Portable :> Portable = |
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struct |
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(* ------------------------------------------------------------------------- *) |
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(* The ML implementation. *) |
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(* ------------------------------------------------------------------------- *) |
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val ml = "mosml"; |
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(* ------------------------------------------------------------------------- *) |
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(* Pointer equality using the run-time system. *) |
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(* ------------------------------------------------------------------------- *) |
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local val address : 'a -> int = Obj.magic |
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in fun pointerEqual (x : 'a, y : 'a) = address x = address y |
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end; |
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(* ------------------------------------------------------------------------- *) |
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(* Timing function applications a la Mosml.time. *) |
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(* ------------------------------------------------------------------------- *) |
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val time = Mosml.time; |
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end |
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(* ------------------------------------------------------------------------- *) |
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(* Ensuring that interruptions (SIGINTs) are actually seen by the *) |
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(* linked executable as Interrupt exceptions. *) |
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(* ------------------------------------------------------------------------- *) |
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prim_val catch_interrupt : bool -> unit = 1 "sys_catch_break"; |
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val _ = catch_interrupt true; |
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(* ------------------------------------------------------------------------- *) |
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(* Ad-hoc upgrading of the Moscow ML basis library. *) |
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(* ------------------------------------------------------------------------- *) |
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fun TextIO_inputLine h = |
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let |
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open TextIO |
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in |
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case inputLine h of "" => NONE | s => SOME s |
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end; |