[gforth] / gforth / backtrac.fs  

gforth: gforth/backtrac.fs

Diff for /gforth/backtrac.fs between version 1.7 and 1.13

version 1.7, Mon Jan 6 11:18:59 2003 UTC version 1.13, Fri May 26 21:18:45 2006 UTC
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 \ backtrace handling  \ backtrace handling
   
 \ Copyright (C) 1999,2000 Free Software Foundation, Inc.  \ Copyright (C) 1999,2000,2003,2004 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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     backtrace-rp0 @ [ 2 cells ]L - over - 0 max ;      backtrace-rp0 @ [ 2 cells ]L - over - 0 max ;
   
 :noname ( -- )  :noname ( -- )
     backtrace-empty @  
     if  
         backtrace-return-stack          backtrace-return-stack
         dup backtrace-rs-buffer adjust-buffer          dup backtrace-rs-buffer adjust-buffer
         backtrace-rs-buffer buffer-address @ swap move      backtrace-rs-buffer buffer-address @ swap move ;
         backtrace-empty off  
     then ;  
 IS store-backtrace  IS store-backtrace
   
 : print-bt-entry ( return-stack-item -- )  : print-bt-entry ( return-stack-item -- )
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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]

Generate output suitable for use with a patch program
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  Added in v.1.13
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