73 lines
2.9 KiB
Standard ML
73 lines
2.9 KiB
Standard ML
(*****************************************************************************
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* su4sml --- an SML repository for managing (Secure)UML/OCL models
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* http://projects.brucker.ch/su4sml/
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*
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* smlnj.sml --- interactive eval stub (not supported by MLton)
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* This file is part of su4sml.
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*
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* Copyright (c) 2005-2007, ETH Zurich, Switzerland
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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*
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* * Neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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******************************************************************************)
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(* $Id$ *)
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structure CompilerExt : COMPILER_EXT =
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struct
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exception EvalNotSupported
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fun eval verbose txt =
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let
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fun eval_fh (print, err) verbose txt =
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let
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val ref out_orig = Control.Print.out;
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val out_buffer = ref ([]: string list);
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val out = {say = (fn s => out_buffer := s :: ! out_buffer),
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flush = (fn () => ())};
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fun output () =
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let val str = SML90.implode (rev (! out_buffer))
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in String.substring (str, 0, Int.max (0, size str - 1)) end;
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in
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Control.Print.out := out;
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Backend.Interact.useStream (TextIO.openString txt)
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handle exn =>
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(Control.Print.out := out_orig; err (output ()); raise exn);
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Control.Print.out := out_orig;
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if verbose then print (output ()) else ()
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end
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in
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eval_fh (fn s => print (s^"\n"), fn s => Logger.error s) verbose txt
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end
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fun exnHistory e = SMLofNJ.exnHistory e
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end
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