blob: 1e42025114e36e9064c0681449a19620aa235247 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
|
;;;; (ice-9 debugger breakpoints range) -- experimental range breakpoints
;;; Copyright (C) 2002 Free Software Foundation, Inc.
;;;
;; 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
(define-module (ice-9 debugger breakpoints range)
#:use-module (ice-9 debugger breakpoints)
#:use-module (ice-9 debugger trap-hooks)
#:use-module (ice-9 debugger trc)
#:use-module (ice-9 debugger utils)
#:use-module (ice-9 format)
#:use-module (oop goops)
#:export (<range-breakpoint>
bp-range))
;;; {Range Breakpoints}
;;;
;;; Breakpoints that activate upon entry to a frame whose source lies
;;; in a specified range.
(define-generic bp-range)
(define-class <range-breakpoint> (<breakpoint>)
;; The range of this breakpoint.
(range #:accessor bp-range #:init-keyword #:range))
(define (range->string filename from-line from-column to-line to-column)
(if (positive? from-line)
(format #f "~A:~A:~A-~A:~A" filename
(+ from-line 1) (+ from-column 1)
(+ to-line 1) (+ to-column 1))
(format #f "~A (whole file)" filename)))
(define-method (bp-message (bp <range-breakpoint>) message port)
(format port
"~A ~A: ~A\n"
message
(bp-number bp)
(apply range->string (bp-range bp))))
;;; Alist of all range breakpoints:
;;; ((RANGE . BREAKPOINT) ...)
;;; where RANGE is
;;; (FILE-NAME FROM-LINE FROM-COLUMN TO-LINE TO-COLUMN)
;;; Keys are unique according to `equal?'.
(define range-breakpoints '())
(define-method (get-breakpoint (filename <string>)
(from-line <integer>)
(from-column <integer>)
(to-line <integer>)
(to-column <integer>))
(assoc-ref range-breakpoints
(if (positive? from-line)
(list filename
(- from-line 1)
(- from-column 1)
(- to-line 1)
(- to-column 1))
(list filename 0 0 0 0))))
(define-method (get-breakpoint (filename <string>))
(get-breakpoint filename 0 0 0 0))
(define-method (get-breakpoint (filename <string>)
(line <integer>))
(get-breakpoint filename line 1 (+ line 1) 1))
(define-method (get-breakpoint (filename <string>)
(from-line <integer>)
(to-line <integer>))
(get-breakpoint filename from-line 1 to-line 1))
(define (add-breakpoint filename from-line from-column to-line to-column)
(let* ((range (if (positive? from-line)
(list filename
(- from-line 1)
(- from-column 1)
(- to-line 1)
(- to-column 1))
(list filename 0 0 0 0)))
(bp (make <range-breakpoint> #:range range)))
(set! range-breakpoints (assoc-set! range-breakpoints range bp))
(remove/install-range-breakpoint-hooks)
bp))
(define-method (set-breakpoint! behaviour
(filename <string>)
(from-line <integer>)
(from-column <integer>)
(to-line <integer>)
(to-column <integer>))
(let ((bp (or (get-breakpoint filename from-line from-column to-line to-column)
(add-breakpoint filename from-line from-column to-line to-column))))
(set! (bp-behaviour bp) behaviour)
(bp-message bp "Set breakpoint" #t)
bp))
(define-method (set-breakpoint! behaviour
(filename <string>))
(set-breakpoint! behaviour filename 0 0 0 0))
(define-method (set-breakpoint! behaviour
(filename <string>)
(line <integer>))
(set-breakpoint! behaviour filename line 1 (+ line 1) 1))
(define-method (set-breakpoint! behaviour
(filename <string>)
(from-line <integer>)
(to-line <integer>))
(set-breakpoint! behaviour filename from-line 1 to-line 1))
(define remove/install-range-breakpoint-hooks
(let ((hooks-installed? #f))
(lambda ()
(cond ((and hooks-installed?
(null? range-breakpoints))
(remove-hook! before-enter-frame-hook
range-before-enter-frame-hook)
(remove-enter-frame-hook! range-enter-frame-hook)
(set! hooks-installed? #f))
((and (not hooks-installed?)
(not (null? range-breakpoints)))
(add-hook! before-enter-frame-hook
range-before-enter-frame-hook)
(add-enter-frame-hook! range-enter-frame-hook)
(set! hooks-installed? #t))))))
(define *cont* #f)
(define (range-before-enter-frame-hook cont . ignored)
(trc 'range-before-enter-frame-hook)
(set! *cont* cont))
(define (range-enter-frame-hook)
(trc 'range-enter-frame-hook)
(let* ((frame (last-stack-frame *cont*))
(source (frame-source frame))
(position (and source (source-position source))))
(if position
(for-each (lambda (range bp)
(if (apply position-in-range position range)
(bp-run bp)))
(map car range-breakpoints)
(map cdr range-breakpoints)))))
(define (position-in-range position
filename
from-line
from-column
to-line
to-column)
(and (string=? (car position) filename)
(if (positive? from-line)
(let ((pline (cadr position))
(pcolumn (caddr position)))
(and (or (and (= pline from-line)
(>= pcolumn from-column))
(> pline from-line))
(or (and (= pline to-line)
(< pcolumn to-column))
(< pline to-line))))
#t)))
(define-method (bp-delete! (bp <range-breakpoint>))
(set! range-breakpoints
(assoc-remove! range-breakpoints (bp-range bp)))
(remove/install-range-breakpoint-hooks)
(bp-message bp "Deleted breakpoint" #t)
*unspecified*)
(register-breakpoint-subclass <range-breakpoint>
(lambda ()
(map cdr range-breakpoints)))
;;; (ice-9 debugger breakpoints range) ends here.
|