Annotation of gforth/recover-endtry.fs, revision 1.1

1.1     ! anton       1: \ provide TRY...RECOVER...ENDTRY on newer Gforth's
        !             2: 
        !             3: \ Copyright (C) 2007 Free Software Foundation, Inc.
        !             4: 
        !             5: \ This file is part of Gforth.
        !             6: 
        !             7: \ Gforth is free software; you can redistribute it and/or
        !             8: \ modify it under the terms of the GNU General Public License
        !             9: \ as published by the Free Software Foundation; either version 2
        !            10: \ of the License, or (at your option) any later version.
        !            11: 
        !            12: \ This program is distributed in the hope that it will be useful,
        !            13: \ but WITHOUT ANY WARRANTY; without even the implied warranty of
        !            14: \ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !            15: \ GNU General Public License for more details.
        !            16: 
        !            17: \ You should have received a copy of the GNU General Public License
        !            18: \ along with this program; if not, write to the Free Software
        !            19: \ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
        !            20: 
        !            21: 
        !            22: \ this provides the old-style TRY...RECOVER...ENDTRY syntax, but after
        !            23: \ loading this file the system will be incompatible with the new-style
        !            24: \ TRY syntax.
        !            25: 
        !            26: [undefined] recover [if]
        !            27: 
        !            28:     : recover postpone endtry-iferror ; immediate compile-only
        !            29:     : endtry  postpone then ; immediate compile-only
        !            30: 
        !            31:     \ now undefine the new words
        !            32:     : iferror        -13 throw ; immediate
        !            33:     : restore        -13 throw ; immediate
        !            34:     : endtry-iferror -13 throw ; immediate
        !            35: [then]

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