--- gforth/backtrac.fs 2000/09/23 15:46:51 1.4 +++ gforth/backtrac.fs 2003/03/11 21:03:29 1.9 @@ -1,6 +1,6 @@ \ 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. @@ -43,7 +43,8 @@ end-struct buffer% \ 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 ( -- ) backtrace-rs-buffer init-buffer ; @@ -77,23 +78,34 @@ IS 'cold then ; IS store-backtrace +: print-bt-entry ( return-stack-item -- ) + cell - dup in-dictionary? over dup aligned = and + if + @ dup threaded>name dup if + .name drop + else + drop dup look if + .name drop + else + drop body> look \ !! check for "call" in cell before? + if + .name + else + drop + then + then + then + else + drop + then ; + : print-backtrace ( addr1 addr2 -- ) \G print a backtrace for the return stack addr1..addr2 cr ." Backtrace:" swap u+do cr i @ dup hex. ( return-addr? ) - cell - dup in-dictionary? over dup aligned = and - if - @ look - if - .name - else - drop - then - else - drop - then + print-bt-entry cell +loop ; :noname ( -- )