-;;;; Copyright (C) 1996, 1997, 1998, 1999, 2001, 2006 Free Software Foundation
-;;;;
-;;;; This library is free software; you can redistribute it and/or
-;;;; modify it under the terms of the GNU Lesser General Public
-;;;; License as published by the Free Software Foundation; either
-;;;; version 2.1 of the License, or (at your option) any later version.
-;;;;
-;;;; This library is distributed in the hope that it will be useful,
-;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
-;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-;;;; Lesser General Public License for more details.
-;;;;
-;;;; You should have received a copy of the GNU Lesser General Public
-;;;; License along with this library; if not, write to the Free Software
-;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
-;;;;
-;;;; The author can be reached at djurfeldt@nada.kth.se
-;;;; Mikael Djurfeldt, SANS/NADA KTH, 10044 STOCKHOLM, SWEDEN
-;;;;
-\f
-
-(define-module (ice-9 debug)
- :export (frame-number->index trace untrace trace-stack untrace-stack))
-
-\f
-;;; {Misc}
-;;;
-(define (frame-number->index n . stack)
- (let ((stack (if (null? stack)
- (fluid-ref the-last-stack)
- (car stack))))
- (if (memq 'backwards (debug-options))
- n
- (- (stack-length stack) n 1))))
-
-\f
-;;; {Trace}
-;;;
-;;; This code is just an experimental prototype (e. g., it is not
-;;; thread safe), but since it's at the same time useful, it's
-;;; included anyway.
-;;;
-(define traced-procedures '())
-
-(define (trace . args)
- (if (null? args)
- (nameify traced-procedures)
- (begin
- (for-each (lambda (proc)
- (if (not (procedure? proc))
- (error "trace: Wrong type argument:" proc))
- (set-procedure-property! proc 'trace #t)
- (if (not (memq proc traced-procedures))
- (set! traced-procedures
- (cons proc traced-procedures))))
- args)
- (trap-set! apply-frame-handler trace-entry)
- (trap-set! exit-frame-handler trace-exit)
- ;; We used to reset `trace-level' here to 0, but this is wrong
- ;; if `trace' itself is being traced, since `trace-exit' will
- ;; then decrement `trace-level' to -1! It shouldn't actually
- ;; be necessary to set `trace-level' here at all.
- (debug-enable 'trace)
- (nameify args))))
-
-(define (untrace . args)
- (if (and (null? args)
- (not (null? traced-procedures)))
- (apply untrace traced-procedures)
- (begin
- (for-each (lambda (proc)
- (set-procedure-property! proc 'trace #f)
- (set! traced-procedures (delq! proc traced-procedures)))
- args)
- (if (null? traced-procedures)
- (debug-disable 'trace))
- (nameify args))))
-
-(define (nameify ls)
- (map (lambda (proc)
- (let ((name (procedure-name proc)))
- (or name proc)))
- ls))
-
-(define trace-level 0)
-(add-hook! abort-hook (lambda () (set! trace-level 0)))
-
-(define traced-stack-ids (list 'repl-stack))
-(define trace-all-stacks? #f)
-
-(define (trace-stack id)
- "Add ID to the set of stack ids for which tracing is active.
-If `#t' is in this set, tracing is active regardless of stack context.
-To remove ID again, use `untrace-stack'. If you add the same ID twice
-using `trace-stack', you will need to remove it twice."
- (set! traced-stack-ids (cons id traced-stack-ids))
- (set! trace-all-stacks? (memq #t traced-stack-ids)))
-
-(define (untrace-stack id)
- "Remove ID from the set of stack ids for which tracing is active."
- (set! traced-stack-ids (delq1! id traced-stack-ids))
- (set! trace-all-stacks? (memq #t traced-stack-ids)))
-
-(define (trace-entry key cont tail)
- (if (or trace-all-stacks?
- (memq (stack-id cont) traced-stack-ids))
- (let ((cep (current-error-port))
- (frame (last-stack-frame cont)))
- (if (not tail)
- (set! trace-level (+ trace-level 1)))
- (let indent ((n trace-level))
- (cond ((> n 1) (display "| " cep) (indent (- n 1)))))
- (display-application frame cep)
- (newline cep)))
- ;; It's not necessary to call the continuation since
- ;; execution will continue if the handler returns
- ;(cont #f)
- )
-
-(define (trace-exit key cont retval)
- (if (or trace-all-stacks?
- (memq (stack-id cont) traced-stack-ids))
- (let ((cep (current-error-port)))
- (set! trace-level (- trace-level 1))
- (let indent ((n trace-level))
- (cond ((> n 0) (display "| " cep) (indent (- n 1)))))
- (write retval cep)
- (newline cep))))
-
-\f
-;;; A fix to get the error handling working together with the module system.
-;;;
-;;; XXX - Still needed?
-(module-set! the-root-module 'debug-options debug-options)
+;;;; Copyright (C) 1996, 1997, 1998, 1999, 2001, 2006, 2010 Free Software Foundation
+;;;;
+;;;; This library is free software; you can redistribute it and/or
+;;;; modify it under the terms of the GNU Lesser General Public
+;;;; License as published by the Free Software Foundation; either
+;;;; version 3 of the License, or (at your option) any later version.
+;;;;
+;;;; This library is distributed in the hope that it will be useful,
+;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+;;;; Lesser General Public License for more details.
+;;;;
+;;;; You should have received a copy of the GNU Lesser General Public
+;;;; License along with this library; if not, write to the Free Software
+;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+;;;;
+;;;; The author can be reached at djurfeldt@nada.kth.se
+;;;; Mikael Djurfeldt, SANS/NADA KTH, 10044 STOCKHOLM, SWEDEN
+;;;;
+\f
+
+(define-module (ice-9 debug))
+
+(issue-deprecation-warning
+ "(ice-9 debug) is deprecated. Use (system vm trace) for tracing.")