[gforth] / gforth / backtrac.fs  

gforth: gforth/backtrac.fs

Diff for /gforth/backtrac.fs between version 1.5 and 1.11

version 1.5, Tue Feb 27 21:17:10 2001 UTC version 1.11, Wed Dec 1 10:02:59 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 look          @ dup threaded>name dup if
         if              .name drop
           else
               drop dup look if
             .name drop              .name drop
         else          else
             drop body> look \ !! check for "call" in cell before?              drop body> look \ !! check for "call" in cell before?
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                 drop                  drop
             then              then
         then          then
           then
     else      else
         drop          drop
     then ;      then ;
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 :noname ( -- )  :noname ( -- )
     backtrace-rs-buffer 2@ over + print-backtrace ;      backtrace-rs-buffer 2@ over + print-backtrace ;
 IS dobacktrace  IS dobacktrace
   
   [ifdef] defer-default
   :noname
       r@ >stderr cr ." deferred word " print-bt-entry ." is uninitialized" ;
   is defer-default
   [then]

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  Added in v.1.11
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