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;;;; "debug.scm" Utility functions for debugging in Scheme.
;;; Copyright (C) 1991, 1992, 1993, 1995 Aubrey Jaffer.
;
;Permission to copy this software, to redistribute it, and to use it
;for any purpose is granted, subject to the following restrictions and
;understandings.
;
;1. Any copy made of this software must include this copyright notice
;in full.
;
;2. I have made no warrantee or representation that the operation of
;this software will be error-free, and I am under no obligation to
;provide any services, by way of maintenance, update, or otherwise.
;
;3. In conjunction with products arising from the use of this
;material, there shall be no use of my name in any advertising,
;promotional, or sales literature without prior written consent in
;each case.
(require 'trace)
(require 'break)
(define (for-each-top-level-definition-in-file file proc)
(call-with-input-file
file
(lambda
(port)
(letrec
((walk
(lambda (exp)
(cond
((not (and (pair? exp) (list? exp))))
((not (symbol? (car exp))))
(else
(case (car exp)
((begin) (for-each walk (cdr exp)))
((cond) (for-each
(lambda (exp)
(for-each walk
(if (list? (car exp)) exp (cdr exp))))
(cdr exp)))
((if) (for-each
walk
(if (list? (cadr exp)) (cdr exp) (cddr exp))))
((defmacro define-syntax) "should do something clever here")
((define)
(proc exp))))))))
(do ((form (read port) (read port)))
((eof-object? form))
(walk form))))))
(define (for-each-top-level-defined-procedure-symbol-in-file file proc)
(letrec ((get-defined-symbol
(lambda (form)
(if (pair? form)
(get-defined-symbol (car form))
form))))
(for-each-top-level-definition-in-file
file
(lambda (form) (let ((sym (get-defined-symbol (cadr form))))
(cond ((procedure? (slib:eval sym))
(proc sym))))))))
(define (debug:trace-all file)
(for-each-top-level-defined-procedure-symbol-in-file
file
(lambda (sym)
(slib:eval `(set! ,sym (trace:tracef ,sym ',sym))))))
(define trace-all debug:trace-all)
(define (debug:break-all file)
(for-each-top-level-defined-procedure-symbol-in-file
file
(lambda (sym)
(slib:eval `(set! ,sym (break:breakf ,sym ',sym))))))
(define break-all debug:break-all)
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