gforth/backtrac.fs - diff

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version 1.5, 2001/02/27 21:17:10	version 1.10, 2004/11/28 20:35:06
Line 1	Line 1
\ 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.

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 80 IS store-backtrace	Line 81 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 111 IS store-backtrace
: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