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Diff for /gforth/backtrac.fs between versions 1.5 and 1.14

version 1.5, 2001/02/27 21:17:10 version 1.14, 2006/10/08 11:30:55
Line 1 Line 1
 \ 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.
   
Line 43  end-struct buffer% Line 43  end-struct buffer%
   
 \ 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 ;
Line 65  IS 'cold Line 66  IS 'cold
     else \ throw by signal handler with insufficient information      else \ throw by signal handler with insufficient information
         handler @ cell - \ beyond that we know nothing          handler @ cell - \ beyond that we know nothing
     then      then
     backtrace-rp0 @ [ 2 cells ]L - over - 0 max ;      backtrace-rp0 @ [ 1 cells ]L - over - 0 max ;
   
 :noname ( -- )  :noname ( -- )
     backtrace-empty @      backtrace-return-stack
     if      dup backtrace-rs-buffer adjust-buffer
         backtrace-return-stack      backtrace-rs-buffer buffer-address @ swap move ;
         dup backtrace-rs-buffer adjust-buffer  
         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 -- )
     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              .name drop
         else          else
             drop body> look \ !! check for "call" in cell before?              drop dup look if
             if                  .name drop
                 .name  
             else              else
                 drop                  drop body> look \ !! check for "call" in cell before?
                   if
                       .name
                   else
                       drop
                   then
             then              then
         then          then
     else      else
Line 107  IS store-backtrace Line 107  IS store-backtrace
 :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]
   
Removed from v.1.5  
changed lines
  Added in v.1.14

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