GCC Code Coverage Report

Directory: lib/
Coverage: low: ≥ 0% medium: ≥ 75.0% high: ≥ 90.0%
Coverage Exec / Excl / Total
Lines: 99.2% 240 / 0 / 242
Functions: 100.0% 15 / 0 / 15
Branches: 92.3% 289 / 0 / 313
format_completion_fish.c
Line Branch Exec Source
1 #include <ctype.h>
2 #include <stdlib.h>
3 #include <string.h>
4
5 #include "ap_internal.h"
6
7 24112 static bool action_takes_no_value(ap_action action) {
8
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 16250 return action == AP_ACTION_STORE_TRUE || action == AP_ACTION_STORE_FALSE ||
9
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 40362 action == AP_ACTION_COUNT || action == AP_ACTION_STORE_CONST;
10 }
11
12 24116 static bool option_takes_value(const ap_arg_def *def) {
13
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 24116 return def && def->is_optional && !action_takes_no_value(def->opts.action);
14 }
15
16 14942 static ap_completion_kind option_completion_kind(const ap_arg_def *def) {
17
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 14942 if (!option_takes_value(def)) {
18 6304 return AP_COMPLETION_KIND_NONE;
19 }
20
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 8638 if (def->opts.completion_kind != AP_COMPLETION_KIND_NONE) {
21 2468 return def->opts.completion_kind;
22 }
23
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 6170 if (def->opts.choices.items && def->opts.choices.count > 0) {
24 3634 return AP_COMPLETION_KIND_CHOICES;
25 }
26 2536 return AP_COMPLETION_KIND_NONE;
27 }
28
29 2658 static bool option_has_dynamic_completion(const ap_arg_def *def) {
30
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 2658 return option_takes_value(def) && def->opts.completion_callback != NULL;
31 }
32
33 2258 static const char *metavar_for(const ap_arg_def *def) {
34 static char fallback[64];
35 size_t i;
36
37
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 2258 if (def->opts.metavar && def->opts.metavar[0] != '\0') {
38 2 return def->opts.metavar;
39 }
40
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 11684 for (i = 0; i < sizeof(fallback) - 1 && def->dest && def->dest[i] != '\0';
41 9428 i++) {
42 9428 char c = def->dest[i];
43
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 9428 if (c >= 'a' && c <= 'z') {
44 9420 fallback[i] = (char)(c - 'a' + 'A');
45
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 8 } else if (c == '_') {
46 6 fallback[i] = '-';
47 } else {
48 2 fallback[i] = c;
49 }
50 }
51 2256 fallback[i] = '\0';
52 2256 return fallback;
53 }
54
55 21554 static int append_fish_double_quoted(ap_string_builder *sb, const char *text) {
56
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 21554 const unsigned char *p = (const unsigned char *)(text ? text : "");
57
58
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 21554 if (ap_sb_appendf(sb, "\"") != 0) {
59 90 return -1;
60 }
61
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 198332 while (*p != '\0') {
62
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 177676 if (*p == '\\' || *p == '"' || *p == '$') {
63
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 1032 if (ap_sb_appendf(sb, "\\%c", (char)*p) != 0) {
64 4 return -1;
65 }
66
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 176644 } else if (*p == '\n' || *p == '\r') {
67
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 494 if (ap_sb_appendf(sb, " ") != 0) {
68 2 return -1;
69 }
70
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 176150 } else if (ap_sb_appendf(sb, "%c", (char)*p) != 0) {
71 802 return -1;
72 }
73 176868 p++;
74 }
75 20656 return ap_sb_appendf(sb, "\"");
76 }
77
78 18734 static int append_identifier(ap_string_builder *sb, const char *text) {
79 size_t i;
80
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 18734 const char *value = text ? text : "argparse_c";
81
82
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 124320 for (i = 0; value[i] != '\0'; i++) {
83 105968 unsigned char c = (unsigned char)value[i];
84
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 105968 if (isalnum(c) || c == '_') {
85
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 95382 if (ap_sb_appendf(sb, "%c", (char)c) != 0) {
86 348 return -1;
87 }
88
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 10586 } else if (ap_sb_appendf(sb, "_") != 0) {
89 34 return -1;
90 }
91 }
92 18352 return 0;
93 }
94
95 19016 static int append_parser_key(ap_string_builder *sb, const ap_parser *parser) {
96
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 19016 if (!parser || !parser->parent) {
97 14636 return ap_sb_appendf(sb, "root");
98 }
99
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 4380 if (append_parser_key(sb, parser->parent) != 0) {
100 18 return -1;
101 }
102 4362 return ap_sb_appendf(sb, "/%s", parser->command_name);
103 }
104
105 4732 static int append_description(ap_string_builder *sb, const ap_arg_def *def) {
106 4732 const char *help = def->opts.help;
107
108
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 4732 if (help && help[0] != '\0') {
109
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 4908 if (ap_sb_appendf(sb, " -d ") != 0 ||
110 2448 append_fish_double_quoted(sb, help) != 0) {
111 402 return -1;
112 }
113
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 2272 } else if (option_takes_value(def)) {
114
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 4528 if (ap_sb_appendf(sb, " -d ") != 0 ||
115 2258 append_fish_double_quoted(sb, metavar_for(def)) != 0) {
116 86 return -1;
117 }
118 }
119 4244 return 0;
120 }
121
122 4554 static int append_transition_cases(ap_string_builder *sb,
123 const ap_parser *parser) {
124 int i;
125
126
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 7306 for (i = 0; i < parser->subcommands_count; i++) {
127
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 2794 if (ap_sb_appendf(sb, " case \"") != 0) {
128 6 return -1;
129 }
130
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 5570 if (append_parser_key(sb, parser) != 0 ||
131
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 5558 ap_sb_appendf(sb, ":%s\"\n", parser->subcommands[i].name) != 0 ||
132 2776 ap_sb_appendf(sb, " set key \"") != 0) {
133 18 return -1;
134 }
135
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 5528 if (append_parser_key(sb, parser->subcommands[i].parser) != 0 ||
136 2758 ap_sb_appendf(sb, "\"\n") != 0) {
137 18 return -1;
138 }
139
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 2752 if (append_transition_cases(sb, parser->subcommands[i].parser) != 0) {
140 ✗ return -1;
141 }
142 }
143 4512 return 0;
144 }
145
146 4156 static int append_choice_cases(ap_string_builder *sb, const ap_parser *parser) {
147 int i;
148 int j;
149 int k;
150
151
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 13748 for (i = 0; i < parser->defs_count; i++) {
152 9712 const ap_arg_def *def = &parser->defs[i];
153
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 9712 if (option_completion_kind(def) != AP_COMPLETION_KIND_CHOICES ||
154
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 2374 !def->opts.choices.items || def->opts.choices.count <= 0) {
155 7338 continue;
156 }
157
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 4628 for (j = 0; j < def->flags_count; j++) {
158
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 2374 if (ap_sb_appendf(sb, " case \"") != 0) {
159 6 return -1;
160 }
161
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 4728 if (append_parser_key(sb, parser) != 0 ||
162 2360 ap_sb_appendf(sb, ":%s\"\n printf '%%s\\n'", def->flags[j]) !=
163 0) {
164 14 return -1;
165 }
166
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 6926 for (k = 0; k < def->opts.choices.count; k++) {
167
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 9320 if (ap_sb_appendf(sb, " ") != 0 ||
168 4654 append_fish_double_quoted(sb, def->opts.choices.items[k]) != 0) {
169 94 return -1;
170 }
171 }
172
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 2260 if (ap_sb_appendf(sb, "\n") != 0) {
173 6 return -1;
174 }
175 }
176 }
177
178
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 6476 for (i = 0; i < parser->subcommands_count; i++) {
179
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 2478 if (append_choice_cases(sb, parser->subcommands[i].parser) != 0) {
180 38 return -1;
181 }
182 }
183 3998 return 0;
184 }
185
186 5230 static int append_option_complete(ap_string_builder *sb, const char *prog,
187 const ap_parser *parser,
188 const ap_arg_def *def) {
189 int i;
190 5230 ap_completion_kind completion_kind = option_completion_kind(def);
191
192
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 10436 if (ap_sb_appendf(sb, "complete -c ") != 0 ||
193
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 10232 append_fish_double_quoted(sb, prog) != 0 ||
194 5026 ap_sb_appendf(sb, " -n '") != 0) {
195 228 return -1;
196 }
197
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 9848 if (ap_sb_appendf(sb, "__ap_") != 0 || append_identifier(sb, prog) != 0 ||
198
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 9668 ap_sb_appendf(sb, "_parser_is ") != 0 ||
199
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 9612 append_parser_key(sb, parser) != 0 || ap_sb_appendf(sb, "'") != 0) {
200 236 return -1;
201 }
202
203
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 11414 for (i = 0; i < def->flags_count; i++) {
204 6682 const char *flag = def->flags[i];
205
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 6682 if (ap_is_short_flag(flag)) {
206
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 1926 if (ap_sb_appendf(sb, " -s %c", flag[1]) != 0) {
207 10 return -1;
208 }
209
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 4756 } else if (ap_is_long_flag(flag)) {
210
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 4756 if (ap_sb_appendf(sb, " -l %s", flag + 2) != 0) {
211 24 return -1;
212 }
213 }
214 }
215
216
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 4732 if (append_description(sb, def) != 0) {
217 488 return -1;
218 }
219
220
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 4244 if (option_takes_value(def)) {
221
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 2672 if (ap_sb_appendf(sb, " -r") != 0) {
222 14 return -1;
223 }
224
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 2658 if (option_has_dynamic_completion(def)) {
225
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 618 if (ap_sb_appendf(sb, " -a '(__ap_") != 0 ||
226
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 608 append_identifier(sb, prog) != 0 ||
227 300 ap_sb_appendf(sb, "_dynamic_complete)'") != 0) {
228 12 return -1;
229 }
230 298 return ap_sb_appendf(sb, "\n");
231 }
232
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 2348 switch (completion_kind) {
233 1100 case AP_COMPLETION_KIND_CHOICES:
234
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 2194 if (ap_sb_appendf(sb, " -a '(__ap_") != 0 ||
235
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 2158 append_identifier(sb, prog) != 0 ||
236 1064 ap_sb_appendf(sb, "_value_choices ") != 0) {
237 42 return -1;
238 }
239
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 2108 if (append_parser_key(sb, parser) != 0 ||
240 1050 ap_sb_appendf(sb, ":%s)'", def->flags[def->flags_count - 1]) != 0) {
241 14 return -1;
242 }
243 1044 break;
244 364 case AP_COMPLETION_KIND_FILE:
245
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 364 if (ap_sb_appendf(sb, " -F") != 0) {
246 2 return -1;
247 }
248 362 break;
249 404 case AP_COMPLETION_KIND_DIRECTORY:
250
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 404 if (ap_sb_appendf(sb, " -a '(__fish_complete_directories)'") != 0) {
251 2 return -1;
252 }
253 402 break;
254 2 case AP_COMPLETION_KIND_COMMAND:
255
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 2 if (ap_sb_appendf(sb, " -a '(__fish_complete_command)'") != 0) {
256 ✗ return -1;
257 }
258 2 break;
259 478 case AP_COMPLETION_KIND_NONE:
260 default:
261 478 break;
262 }
263 }
264
265 3860 return ap_sb_appendf(sb, "\n");
266 }
267
268 938 static int append_subcommand_complete(ap_string_builder *sb, const char *prog,
269 const ap_parser *parser,
270 const ap_subcommand_def *sub) {
271
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 1870 if (ap_sb_appendf(sb, "complete -c ") != 0 ||
272
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 1816 append_fish_double_quoted(sb, prog) != 0 ||
273 884 ap_sb_appendf(sb, " -n '") != 0) {
274 60 return -1;
275 }
276
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 1714 if (ap_sb_appendf(sb, "__ap_") != 0 || append_identifier(sb, prog) != 0 ||
277
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 1666 ap_sb_appendf(sb, "_parser_is ") != 0 ||
278
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 1654 append_parser_key(sb, parser) != 0 ||
279
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 1642 ap_sb_appendf(sb, "' -f -a ") != 0 ||
280 818 append_fish_double_quoted(sb, sub->name) != 0) {
281 102 return -1;
282 }
283
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 776 if (sub->help && sub->help[0] != '\0') {
284
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 538 if (ap_sb_appendf(sb, " -d ") != 0 ||
285 268 append_fish_double_quoted(sb, sub->help) != 0) {
286 36 return -1;
287 }
288 }
289 740 return ap_sb_appendf(sb, "\n");
290 }
291
292 2124 static int append_complete_commands(ap_string_builder *sb, const char *prog,
293 const ap_parser *parser) {
294 int i;
295
296
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 6262 for (i = 0; i < parser->defs_count; i++) {
297 5234 const ap_arg_def *def = &parser->defs[i];
298
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 5234 if (!def->is_optional) {
299 4 continue;
300 }
301
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 5230 if (append_option_complete(sb, prog, parser, def) != 0) {
302 1096 return -1;
303 }
304 }
305
306
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 1342 for (i = 0; i < parser->subcommands_count; i++) {
307
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 938 if (append_subcommand_complete(sb, prog, parser, &parser->subcommands[i]) !=
308 0) {
309 204 return -1;
310 }
311
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 734 if (append_complete_commands(sb, prog, parser->subcommands[i].parser) !=
312 0) {
313 420 return -1;
314 }
315 }
316 404 return 0;
317 }
318
319 1874 char *ap_fish_completion_build(const ap_parser *parser) {
320 ap_string_builder sb;
321 const char *prog;
322
323
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 1874 if (!parser || !parser->prog || parser->prog[0] == '\0') {
324 4 return NULL;
325 }
326
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 1870 prog = parser->command_name && parser->command_name[0] != '\0'
327 ? parser->command_name
328 : parser->prog;
329
330 1870 ap_sb_init(&sb);
331
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 3736 if (ap_sb_appendf(&sb, "# fish completion for %s\n", parser->prog) != 0 ||
332
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 3728 ap_sb_appendf(&sb, "complete -c ") != 0 ||
333
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 3694 append_fish_double_quoted(&sb, prog) != 0 ||
334
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 3660 ap_sb_appendf(&sb, " -f\n\nfunction __ap_") != 0 ||
335
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 3634 append_identifier(&sb, prog) != 0 ||
336 1806 ap_sb_appendf(&sb, "_parser_key\n"
337 " set -l tokens (commandline -opc)\n"
338 " set -e tokens[1]\n"
339 " set -l key root\n"
340 " for token in $tokens\n"
341 " switch \"$key:$token\"\n") != 0) {
342 68 ap_sb_free(&sb);
343 68 return NULL;
344 }
345
346
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 3562 if (append_transition_cases(&sb, parser) != 0 ||
347 1760 ap_sb_appendf(&sb,
348 " end\n"
349 " end\n"
350 " printf '%s\\n' \"$key\"\n"
351 "end\n\n"
352 "function __ap_",
353
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 1756 "%s") != 0 ||
354
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 3490 append_identifier(&sb, prog) != 0 ||
355 1734 ap_sb_appendf(&sb, "_parser_is\n"
356
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 1730 " test (__ap_") != 0 ||
357
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 3438 append_identifier(&sb, prog) != 0 ||
358 1708 ap_sb_appendf(&sb, "_parser_key) = \"$argv[1]\"\n"
359 "end\n\n"
360
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 1704 "function __ap_") != 0 ||
361
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 3386 append_identifier(&sb, prog) != 0 ||
362 1682 ap_sb_appendf(&sb, "_value_choices\n"
363 " switch \"$argv[1]\"\n") != 0) {
364 124 ap_sb_free(&sb);
365 124 return NULL;
366 }
367
368
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 3236 if (append_choice_cases(&sb, parser) != 0 ||
369 1558 ap_sb_appendf(&sb, " end\n"
370
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 1554 "end\n\nfunction __ap_") != 0 ||
371
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 3086 append_identifier(&sb, prog) != 0 ||
372 1532 ap_sb_appendf(&sb, "_dynamic_complete\n"
373 " set -l tokens (commandline -opc)\n"
374 " set -e tokens[1]\n"
375 " set -l current (commandline -ct)\n"
376
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 1528 " ") != 0 ||
377
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 3026 append_fish_double_quoted(&sb, prog) != 0 ||
378
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 2992 ap_sb_appendf(&sb, " ") != 0 ||
379 1494 append_fish_double_quoted(&sb, ap_parser_completion_entrypoint(parser)) !=
380
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 1446 0 ||
381 1446 ap_sb_appendf(&sb, " --shell fish -- $tokens $current\n"
382
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 1442 "end\n\nfunction __ap_") != 0 ||
383
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 2862 append_identifier(&sb, prog) != 0 ||
384 1420 ap_sb_appendf(&sb, "_positional_complete\n"
385 " set -l current (commandline -ct)\n"
386 " if string match -qr '^-' -- \"$current\"\n"
387 " return 1\n"
388 " end\n"
389
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 1416 " __ap_") != 0 ||
390
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 2810 append_identifier(&sb, prog) != 0 ||
391 1394 ap_sb_appendf(&sb, "_dynamic_complete\n"
392
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 1390 "end\n\n") != 0 ||
393
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 1480 append_complete_commands(&sb, prog, parser) != 0 ||
394
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 176 ap_sb_appendf(&sb, "complete -c ") != 0 ||
395
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 142 append_fish_double_quoted(&sb, prog) != 0 ||
396
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 108 ap_sb_appendf(&sb, " -f -a '(__ap_") != 0 ||
397
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 82 append_identifier(&sb, prog) != 0 ||
398 30 ap_sb_appendf(&sb, "_positional_complete)'\n") != 0) {
399 1652 ap_sb_free(&sb);
400 1652 return NULL;
401 }
402
403 26 return sb.data;
404 }
405