Commit | Line | Data |
---|---|---|
3c8fb18e MV |
1 | #include <libguile.h> |
2 | #include <stdlib.h> | |
3 | #include <stdio.h> | |
c05d0e8f | 4 | #include <unistd.h> |
3c8fb18e MV |
5 | |
6 | void set_flag (void *data); | |
7 | void func1 (void); | |
8 | void func2 (void); | |
9 | void func3 (void); | |
10 | void func4 (void); | |
11 | void check_flag1 (const char *msg, void (*func)(void), int val); | |
12 | SCM check_flag1_body (void *data); | |
13 | SCM return_tag (void *data, SCM tag, SCM args); | |
14 | void check_cont (int rewindable); | |
15 | SCM check_cont_body (void *data); | |
c05d0e8f MV |
16 | void close_port (SCM port); |
17 | void delete_file (void *data); | |
18 | void check_ports (void); | |
8843e1fa | 19 | void check_fluid (void); |
3c8fb18e MV |
20 | |
21 | int flag1, flag2, flag3; | |
22 | ||
23 | void | |
24 | set_flag (void *data) | |
25 | { | |
26 | int *f = (int *)data; | |
27 | *f = 1; | |
28 | } | |
29 | ||
30 | /* FUNC1 should leave flag1 zero. | |
31 | */ | |
32 | ||
33 | void | |
34 | func1 () | |
35 | { | |
8843e1fa | 36 | scm_frame_begin (0); |
3c8fb18e | 37 | flag1 = 0; |
f1da8e4e | 38 | scm_frame_unwind_handler (set_flag, &flag1, 0); |
8843e1fa | 39 | scm_frame_end (); |
3c8fb18e MV |
40 | } |
41 | ||
42 | /* FUNC2 should set flag1. | |
43 | */ | |
44 | ||
45 | void | |
46 | func2 () | |
47 | { | |
8843e1fa | 48 | scm_frame_begin (0); |
3c8fb18e | 49 | flag1 = 0; |
f1da8e4e | 50 | scm_frame_unwind_handler (set_flag, &flag1, SCM_F_WIND_EXPLICITLY); |
8843e1fa | 51 | scm_frame_end (); |
3c8fb18e MV |
52 | } |
53 | ||
54 | /* FUNC3 should set flag1. | |
55 | */ | |
56 | ||
57 | void | |
58 | func3 () | |
59 | { | |
8843e1fa | 60 | scm_frame_begin (0); |
3c8fb18e | 61 | flag1 = 0; |
f1da8e4e | 62 | scm_frame_unwind_handler (set_flag, &flag1, 0); |
3c8fb18e | 63 | scm_misc_error ("func3", "gratuitous error", SCM_EOL); |
8843e1fa | 64 | scm_frame_end (); |
3c8fb18e MV |
65 | } |
66 | ||
67 | /* FUNC4 should set flag1. | |
68 | */ | |
69 | ||
70 | void | |
71 | func4 () | |
72 | { | |
8843e1fa | 73 | scm_frame_begin (0); |
3c8fb18e | 74 | flag1 = 0; |
f1da8e4e | 75 | scm_frame_unwind_handler (set_flag, &flag1, SCM_F_WIND_EXPLICITLY); |
3c8fb18e | 76 | scm_misc_error ("func4", "gratuitous error", SCM_EOL); |
8843e1fa | 77 | scm_frame_end (); |
3c8fb18e MV |
78 | } |
79 | ||
80 | SCM | |
81 | check_flag1_body (void *data) | |
82 | { | |
83 | void (*f)(void) = (void (*)(void))data; | |
84 | f (); | |
85 | return SCM_UNSPECIFIED; | |
86 | } | |
87 | ||
88 | SCM | |
89 | return_tag (void *data, SCM tag, SCM args) | |
90 | { | |
91 | return tag; | |
92 | } | |
93 | ||
94 | void | |
95 | check_flag1 (const char *tag, void (*func)(void), int val) | |
96 | { | |
97 | scm_internal_catch (SCM_BOOL_T, | |
98 | check_flag1_body, func, | |
99 | return_tag, NULL); | |
100 | if (flag1 != val) | |
101 | { | |
102 | printf ("%s failed\n", tag); | |
103 | exit (1); | |
104 | } | |
105 | } | |
106 | ||
107 | SCM | |
108 | check_cont_body (void *data) | |
109 | { | |
110 | scm_t_frame_flags flags = (data? SCM_F_FRAME_REWINDABLE : 0); | |
111 | int first; | |
112 | SCM val; | |
113 | ||
8843e1fa | 114 | scm_frame_begin (flags); |
3c8fb18e MV |
115 | |
116 | val = scm_make_continuation (&first); | |
8843e1fa | 117 | scm_frame_end (); |
3c8fb18e MV |
118 | return val; |
119 | } | |
120 | ||
121 | void | |
122 | check_cont (int rewindable) | |
123 | { | |
124 | SCM res; | |
125 | ||
126 | res = scm_internal_catch (SCM_BOOL_T, | |
4858610b | 127 | check_cont_body, (void *)(long)rewindable, |
3c8fb18e MV |
128 | return_tag, NULL); |
129 | ||
130 | /* RES is now either the created continuation, the value passed to | |
131 | the continuation, or a catch-tag, such as 'misc-error. | |
132 | */ | |
133 | ||
66dd7f14 | 134 | if (scm_is_true (scm_procedure_p (res))) |
3c8fb18e MV |
135 | { |
136 | /* a continuation, invoke it */ | |
137 | scm_call_1 (res, SCM_BOOL_F); | |
138 | } | |
66dd7f14 | 139 | else if (scm_is_false (res)) |
3c8fb18e MV |
140 | { |
141 | /* the result of invoking the continuation, frame must be | |
142 | rewindable */ | |
143 | if (rewindable) | |
144 | return; | |
145 | printf ("continuation not blocked\n"); | |
146 | exit (1); | |
147 | } | |
148 | else | |
149 | { | |
150 | /* the catch tag, frame must not have been rewindable. */ | |
151 | if (!rewindable) | |
152 | return; | |
153 | printf ("continuation didn't work\n"); | |
154 | exit (1); | |
155 | } | |
156 | } | |
c05d0e8f MV |
157 | |
158 | void | |
159 | close_port (SCM port) | |
160 | { | |
161 | scm_close_port (port); | |
162 | } | |
163 | ||
164 | void | |
165 | delete_file (void *data) | |
166 | { | |
167 | unlink ((char *)data); | |
168 | } | |
169 | ||
170 | void | |
171 | check_ports () | |
172 | { | |
173 | char filename[] = "/tmp/check-ports.XXXXXX"; | |
174 | ||
175 | if (mktemp (filename) == NULL) | |
176 | exit (1); | |
177 | ||
8843e1fa | 178 | scm_frame_begin (0); |
c05d0e8f | 179 | { |
ad6dec05 MV |
180 | SCM port = scm_open_file (scm_from_locale_string (filename), |
181 | scm_from_locale_string ("w")); | |
f1da8e4e MV |
182 | scm_frame_unwind_handler_with_scm (close_port, port, |
183 | SCM_F_WIND_EXPLICITLY); | |
c05d0e8f | 184 | |
8843e1fa | 185 | scm_frame_current_output_port (port); |
c05d0e8f MV |
186 | scm_write (scm_version (), SCM_UNDEFINED); |
187 | } | |
8843e1fa | 188 | scm_frame_end (); |
c05d0e8f | 189 | |
8843e1fa | 190 | scm_frame_begin (0); |
c05d0e8f | 191 | { |
ad6dec05 MV |
192 | SCM port = scm_open_file (scm_from_locale_string (filename), |
193 | scm_from_locale_string ("r")); | |
c05d0e8f | 194 | SCM res; |
f1da8e4e MV |
195 | scm_frame_unwind_handler_with_scm (close_port, port, |
196 | SCM_F_WIND_EXPLICITLY); | |
197 | scm_frame_unwind_handler (delete_file, filename, SCM_F_WIND_EXPLICITLY); | |
c05d0e8f | 198 | |
8843e1fa | 199 | scm_frame_current_input_port (port); |
c05d0e8f | 200 | res = scm_read (SCM_UNDEFINED); |
66dd7f14 | 201 | if (scm_is_false (scm_equal_p (res, scm_version ()))) |
c05d0e8f MV |
202 | { |
203 | printf ("ports didn't work\n"); | |
204 | exit (1); | |
205 | } | |
206 | } | |
8843e1fa | 207 | scm_frame_end (); |
c05d0e8f | 208 | } |
8843e1fa MV |
209 | |
210 | void | |
211 | check_fluid () | |
212 | { | |
213 | SCM f = scm_make_fluid (); | |
214 | SCM x; | |
215 | ||
79e9bca7 | 216 | scm_fluid_set_x (f, scm_from_int (12)); |
8843e1fa MV |
217 | |
218 | scm_frame_begin (0); | |
79e9bca7 | 219 | scm_frame_fluid (f, scm_from_int (13)); |
8843e1fa MV |
220 | x = scm_fluid_ref (f); |
221 | scm_frame_end (); | |
222 | ||
79e9bca7 | 223 | if (!scm_is_eq (x, scm_from_int (13))) |
8843e1fa MV |
224 | { |
225 | printf ("setting fluid didn't work\n"); | |
226 | exit (1); | |
227 | } | |
228 | ||
79e9bca7 | 229 | if (!scm_is_eq (scm_fluid_ref (f), scm_from_int (12))) |
8843e1fa MV |
230 | { |
231 | printf ("resetting fluid didn't work\n"); | |
232 | exit (1); | |
233 | } | |
234 | } | |
235 | ||
3c8fb18e MV |
236 | static void |
237 | inner_main (void *data, int argc, char **argv) | |
238 | { | |
239 | check_flag1 ("func1", func1, 0); | |
240 | check_flag1 ("func2", func2, 1); | |
241 | check_flag1 ("func3", func3, 1); | |
242 | check_flag1 ("func4", func4, 1); | |
243 | ||
244 | check_cont (0); | |
245 | check_cont (1); | |
246 | ||
c05d0e8f MV |
247 | check_ports (); |
248 | ||
8843e1fa MV |
249 | check_fluid (); |
250 | ||
3c8fb18e MV |
251 | exit (0); |
252 | } | |
253 | ||
254 | int | |
255 | main (int argc, char **argv) | |
256 | { | |
257 | scm_boot_guile (argc, argv, inner_main, 0); | |
258 | return 0; | |
259 | } |