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|
;*=====================================================================*/
;* serrano/prgm/project/skribe/src/bigloo/debug.scm */
;* ------------------------------------------------------------- */
;* Author : Manuel Serrano */
;* Creation : Wed Jun 11 10:01:47 2003 */
;* Last change : Thu Oct 28 21:33:00 2004 (eg) */
;* Copyright : 2003 Manuel Serrano */
;* ------------------------------------------------------------- */
;* Simple debug facilities */
;*=====================================================================*/
;*---------------------------------------------------------------------*/
;* The module */
;*---------------------------------------------------------------------*/
(module skribe_debug
(export *skribe-debug*
*skribe-debug-symbols*
*skribe-debug-color*
(skribe-debug::int)
(debug-port::output-port . ::obj)
(debug-margin::bstring)
(debug-color::bstring ::int . ::obj)
(debug-bold::bstring . ::obj)
(debug-string ::obj)
(debug-item . ::obj)
(%with-debug ::obj ::obj ::procedure)))
;*---------------------------------------------------------------------*/
;* *skribe-debug* ... */
;*---------------------------------------------------------------------*/
(define *skribe-debug* 0)
;*---------------------------------------------------------------------*/
;* *skribe-debug-symbols* ... */
;*---------------------------------------------------------------------*/
(define *skribe-debug-symbols* '())
;*---------------------------------------------------------------------*/
;* *skribe-debug-color* ... */
;*---------------------------------------------------------------------*/
(define *skribe-debug-color* #t)
;*---------------------------------------------------------------------*/
;* *skribe-debug-item* ... */
;*---------------------------------------------------------------------*/
(define *skribe-debug-item* #f)
;*---------------------------------------------------------------------*/
;* *debug-port* ... */
;*---------------------------------------------------------------------*/
(define *debug-port* (current-error-port))
;*---------------------------------------------------------------------*/
;* *debug-depth* ... */
;*---------------------------------------------------------------------*/
(define *debug-depth* 0)
;*---------------------------------------------------------------------*/
;* *debug-margin* ... */
;*---------------------------------------------------------------------*/
(define *debug-margin* "")
;*---------------------------------------------------------------------*/
;* *skribe-margin-debug-level* ... */
;*---------------------------------------------------------------------*/
(define *skribe-margin-debug-level* 0)
;*---------------------------------------------------------------------*/
;* skribe-debug ... */
;*---------------------------------------------------------------------*/
(define (skribe-debug)
*skribe-debug*)
;*---------------------------------------------------------------------*/
;* debug-port ... */
;*---------------------------------------------------------------------*/
(define (debug-port . o)
(cond
((null? o)
*debug-port*)
((output-port? (car o))
(set! *debug-port* o)
o)
(else
(error 'debug-port "Illegal debug port" (car o)))))
;*---------------------------------------------------------------------*/
;* debug-margin ... */
;*---------------------------------------------------------------------*/
(define (debug-margin)
*debug-margin*)
;*---------------------------------------------------------------------*/
;* debug-color ... */
;*---------------------------------------------------------------------*/
(define (debug-color col::int . o)
(with-output-to-string
(if *skribe-debug-color*
(lambda ()
(display* "[0m[1;" (+ 31 col) "m")
(apply display* o)
(display "[0m"))
(lambda ()
(apply display* o)))))
;*---------------------------------------------------------------------*/
;* debug-bold ... */
;*---------------------------------------------------------------------*/
(define (debug-bold . o)
(apply debug-color -30 o))
;*---------------------------------------------------------------------*/
;* debug-item ... */
;*---------------------------------------------------------------------*/
(define (debug-item . args)
(if (or (>= *skribe-debug* *skribe-margin-debug-level*)
*skribe-debug-item*)
(begin
(display (debug-margin) *debug-port*)
(display (debug-color (-fx *debug-depth* 1) "- "))
(for-each (lambda (a) (display a *debug-port*)) args)
(newline *debug-port*))))
;*---------------------------------------------------------------------*/
;* %with-debug-margin ... */
;*---------------------------------------------------------------------*/
(define (%with-debug-margin margin thunk)
(let ((om *debug-margin*))
(set! *debug-depth* (+fx *debug-depth* 1))
(set! *debug-margin* (string-append om margin))
(let ((res (thunk)))
(set! *debug-depth* (-fx *debug-depth* 1))
(set! *debug-margin* om)
res)))
;*---------------------------------------------------------------------*/
;* %with-debug ... */
;*---------------------------------------------------------------------*/
(define (%with-debug lvl lbl thunk)
(let ((ol *skribe-margin-debug-level*)
(oi *skribe-debug-item*))
(set! *skribe-margin-debug-level* lvl)
(let ((r (if (or (and (number? lvl) (>= *skribe-debug* lvl))
(and (symbol? lbl)
(memq lbl *skribe-debug-symbols*)
(set! *skribe-debug-item* #t)))
(with-output-to-port *debug-port*
(lambda ()
(display (debug-margin))
(display (if (= *debug-depth* 0)
(debug-color *debug-depth* "+ " lbl)
(debug-color *debug-depth* "--+ " lbl)))
(newline)
(%with-debug-margin (debug-color *debug-depth* " |")
thunk)))
(thunk))))
(set! *skribe-debug-item* oi)
(set! *skribe-margin-debug-level* ol)
r)))
;*---------------------------------------------------------------------*/
;* debug-string ... */
;*---------------------------------------------------------------------*/
(define (debug-string o)
(with-output-to-string
(lambda ()
(write o))))
;*---------------------------------------------------------------------*/
;* example */
;*---------------------------------------------------------------------*/
;; (%with-debug 0 'foo1.1
;; (lambda ()
;; (debug-item 'foo2.1)
;; (debug-item 'foo2.2)
;; (%with-debug 0 'foo2.3
;; (lambda ()
;; (debug-item 'foo3.1)
;; (%with-debug 0 'foo3.2
;; (lambda ()
;; (debug-item 'foo4.1)
;; (debug-item 'foo4.2)))
;; (debug-item 'foo3.3)))
;; (debug-item 'foo2.4)))
|
