[gforth] / gforth / backtrac.fs  

gforth: gforth/backtrac.fs

Diff for /gforth/backtrac.fs between version 1.6 and 1.10

version 1.6, Sat Jan 4 08:26:57 2003 UTC version 1.10, Sun Nov 28 20:35:06 2004 UTC
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 \ backtrace handling  \ backtrace handling
   
 \ Copyright (C) 1999,2000 Free Software Foundation, Inc.  \ Copyright (C) 1999,2000,2003 Free Software Foundation, Inc.
   
 \ This file is part of Gforth.  \ This file is part of Gforth.
   
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 \ backtrace stuff  \ backtrace stuff
   
 create backtrace-rs-buffer buffer% %allot \ copy of the return stack at throw  create backtrace-rs-buffer buffer% %allot drop
   \ copy of the return stack at throw
   
 : init-backtrace ( -- )  : init-backtrace ( -- )
     backtrace-rs-buffer init-buffer ;      backtrace-rs-buffer init-buffer ;
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 : print-bt-entry ( return-stack-item -- )  : print-bt-entry ( return-stack-item -- )
     cell - dup in-dictionary? over dup aligned = and      cell - dup in-dictionary? over dup aligned = and
     if      if
         @ dup threaded>name if          @ dup threaded>name dup if
             .name drop              .name drop
         else          else
             drop dup look if              drop dup look if
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 :noname ( -- )  :noname ( -- )
     backtrace-rs-buffer 2@ over + print-backtrace ;      backtrace-rs-buffer 2@ over + print-backtrace ;
 IS dobacktrace  IS dobacktrace
   
   :noname
       r@ >stderr cr ." deferred word " print-bt-entry ." is uninitialized" ;
   is defer-default

Generate output suitable for use with a patch program
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  Added in v.1.10
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