dte test coverage

Directory: ./
File: src/config.c
Date: 2025-09-07 23:01:39
Exec Total Coverage
Lines: 164 166 98.8%
Functions: 16 16 100.0%
Branches: 60 68 88.2%
Line Branch Exec Source
1 #include "build-defs.h"
2 #include <errno.h>
3 #include <stdbool.h>
4 #include <stdlib.h>
5 #include <string.h>
6 #include <sys/types.h>
7 #include "config.h"
8 #include "command/cache.h"
9 #include "command/error.h"
10 #include "commands.h"
11 #include "compiler.h"
12 #include "editor.h"
13 #include "syntax/color.h"
14 #include "util/debug.h"
15 #include "util/hashmap.h"
16 #include "util/intmap.h"
17 #include "util/log.h"
18 #include "util/readfile.h"
19 #include "util/str-util.h"
20 #include "util/xsnprintf.h"
21
22 #if HAVE_EMBED
23 #include "builtin-config-embed.h"
24 #else
25 #include "builtin-config.h"
26 #endif
27
28 24 UNITTEST {
29 // NOLINTBEGIN(bugprone-assert-side-effect)
30 24 BUG_ON(!get_builtin_config("rc"));
31 24 BUG_ON(!get_builtin_config("color/reset"));
32 // NOLINTEND(bugprone-assert-side-effect)
33 24 }
34
35 // Odd number of backslashes at end of line?
36 9867 static bool has_line_continuation(StringView line)
37 {
38 9867 ssize_t pos = line.length - 1;
39
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 10766 while (pos >= 0 && line.data[pos] == '\\') {
40 899 pos--;
41 }
42 9867 return (line.length - 1 - pos) & 1;
43 }
44
45 24 UNITTEST {
46 // NOLINTBEGIN(bugprone-assert-side-effect)
47 24 BUG_ON(has_line_continuation(strview(NULL)));
48 24 BUG_ON(has_line_continuation(strview("0")));
49 24 BUG_ON(!has_line_continuation(strview("1 \\")));
50 24 BUG_ON(has_line_continuation(strview("2 \\\\")));
51 24 BUG_ON(!has_line_continuation(strview("3 \\\\\\")));
52 24 BUG_ON(has_line_continuation(strview("4 \\\\\\\\")));
53 // NOLINTEND(bugprone-assert-side-effect)
54 24 }
55
56 226 bool exec_config(CommandRunner *runner, StringView config)
57 {
58 226 EditorState *e = runner->e;
59 226 ErrorBuffer *ebuf = runner->ebuf;
60
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 226 if (unlikely(e->include_recursion_count > 64)) {
61 1 return error_msg_for_cmd(ebuf, NULL, "config recursion limit reached");
62 }
63
64 225 bool stop_at_first_err = (runner->flags & CMDRUNNER_STOP_AT_FIRST_ERROR);
65 225 size_t nfailed = 0;
66 225 String buf = string_new(1024);
67 225 e->include_recursion_count++;
68
69
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 10202 for (size_t i = 0, n = config.length; i < n; ebuf->config_line++) {
70 9978 StringView line = buf_slice_next_line(config.data, &i, n);
71 9978 strview_trim_left(&line);
72
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 9978 if (buf.len == 0 && strview_has_prefix(line, "#")) {
73 // Comment line
74 255 continue;
75 }
76
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 9723 if (has_line_continuation(line)) {
77 659 line.length--;
78 659 string_append_strview(&buf, line);
79 } else {
80 9064 string_append_strview(&buf, line);
81 9064 bool r = handle_command(runner, string_borrow_cstring(&buf));
82 9064 string_clear(&buf);
83 9064 nfailed += !r;
84
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 9064 if (unlikely(!r && stop_at_first_err)) {
85 1 goto out;
86 }
87 }
88 }
89
90
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 224 if (unlikely(buf.len)) {
91 // This can only happen if the last line had a line continuation
92 2 bool r = handle_command(runner, string_borrow_cstring(&buf));
93 2 nfailed += !r;
94 }
95
96 222 out:
97 225 e->include_recursion_count--;
98 225 string_free(&buf);
99 225 return (nfailed == 0);
100 }
101
102 3 String dump_builtin_configs(void)
103 {
104 3 String str = string_new(1024);
105
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 234 for (size_t i = 0; i < ARRAYLEN(builtin_configs); i++) {
106 231 string_append_cstring(&str, builtin_configs[i].name);
107 231 string_append_byte(&str, '\n');
108 }
109 3 return str;
110 }
111
112 149 const BuiltinConfig *get_builtin_config(const char *name)
113 {
114
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 5261 for (size_t i = 0; i < ARRAYLEN(builtin_configs); i++) {
115
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 5203 if (streq(name, builtin_configs[i].name)) {
116 91 return &builtin_configs[i];
117 }
118 }
119 return NULL;
120 }
121
122 1 const BuiltinConfig *get_builtin_configs_array(size_t *nconfigs)
123 {
124 1 *nconfigs = ARRAYLEN(builtin_configs);
125 1 return &builtin_configs[0];
126 }
127
128 111 static SystemErrno do_read_config (
129 CommandRunner *runner,
130 const char *filename,
131 ConfigFlags flags
132 ) {
133 111 ErrorBuffer *ebuf = runner->ebuf;
134 111 bool must_exist = flags & CFG_MUST_EXIST;
135 111 bool stop_at_first_err = runner->flags & CMDRUNNER_STOP_AT_FIRST_ERROR;
136
137
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 111 if (flags & CFG_BUILTIN) {
138 42 const BuiltinConfig *cfg = get_builtin_config(filename);
139
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 42 if (cfg) {
140 41 ebuf->config_filename = filename;
141 41 ebuf->config_line = 1;
142 41 bool r = exec_config(runner, cfg->text);
143
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 41 return (r || !stop_at_first_err) ? 0 : EINVAL;
144 }
145
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 1 if (must_exist) {
146 1 error_msg(ebuf, "no built-in config with name '%s'", filename);
147 }
148 1 return ENOENT;
149 }
150
151 69 char *buf;
152 69 ssize_t size = read_file(filename, &buf, 0);
153
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 69 if (size < 0) {
154 1 int err = errno;
155
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 1 if (err != ENOENT || must_exist) {
156 1 error_msg(ebuf, "Error reading %s: %s", filename, strerror(err));
157 }
158 1 return err;
159 }
160
161 68 ebuf->config_filename = filename;
162 68 ebuf->config_line = 1;
163 68 bool r = exec_config(runner, string_view(buf, size));
164 68 free(buf);
165
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 68 return (r || !stop_at_first_err) ? 0 : EINVAL;
166 }
167
168 111 SystemErrno read_config(CommandRunner *runner, const char *filename, ConfigFlags flags)
169 {
170 111 ErrorBuffer *ebuf = runner->ebuf;
171 111 const char *saved_file = ebuf->config_filename;
172 111 const unsigned int saved_line = ebuf->config_line;
173 111 SystemErrno ret = do_read_config(runner, filename, flags);
174 111 ebuf->config_filename = saved_file;
175 111 ebuf->config_line = saved_line;
176 111 return ret;
177 }
178
179 27 static void exec_builtin_config(EditorState *e, StringView cfg, const char *name)
180 {
181 27 ErrorBuffer *ebuf = &e->err;
182 27 const char *saved_file = ebuf->config_filename;
183 27 const unsigned int saved_line = ebuf->config_line;
184 27 ebuf->config_filename = name;
185 27 ebuf->config_line = 1;
186 27 exec_normal_config(e, cfg);
187 27 ebuf->config_filename = saved_file;
188 27 ebuf->config_line = saved_line;
189 27 }
190
191 18 void exec_builtin_color_reset(EditorState *e)
192 {
193 18 StringView reset = string_view(builtin_color_reset, sizeof(builtin_color_reset) - 1);
194 18 clear_hl_styles(&e->styles);
195 18 exec_builtin_config(e, reset, "color/reset");
196 18 e->screen_update |= UPDATE_SYNTAX_STYLES | UPDATE_ALL_WINDOWS;
197 18 }
198
199 9 static void log_config_counts(const EditorState *e)
200 {
201
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 9 if (!log_level_enabled(LOG_LEVEL_INFO)) {
202 return;
203 }
204
205 1 size_t nbinds = 0;
206 1 size_t nbinds_cached = 0;
207
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 4 for (HashMapIter modeiter = hashmap_iter(&e->modes); hashmap_next(&modeiter); ) {
208 3 const ModeHandler *mode = modeiter.entry->value;
209 3 const IntMap *binds = &mode->key_bindings;
210 3 nbinds += binds->count;
211
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 220 for (IntMapIter binditer = intmap_iter(binds); intmap_next(&binditer); ) {
212 217 const CachedCommand *cc = binditer.entry->value;
213 217 nbinds_cached += !!cc->cmd;
214 }
215 }
216
217 1 size_t nerrorfmts = 0;
218
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 4 for (HashMapIter it = hashmap_iter(&e->compilers); hashmap_next(&it); ) {
219 3 const Compiler *compiler = it.entry->value;
220 3 nerrorfmts += compiler->error_formats.count;
221 }
222
223 1 LOG_INFO (
224 "bind=%zu(%zu) alias=%zu hi=%zu ft=%zu option=%zu errorfmt=%zu(%zu)",
225 nbinds,
226 nbinds_cached,
227 e->aliases.count,
228 e->styles.other.count + NR_BSE,
229 e->filetypes.count,
230 e->file_options.count,
231 e->compilers.count,
232 nerrorfmts
233 );
234 }
235
236 9 void exec_rc_files(EditorState *e, const char *filename, bool read_user_rc)
237 {
238 9 StringView rc = string_view(builtin_rc, sizeof(builtin_rc) - 1);
239 9 exec_builtin_color_reset(e);
240 9 exec_builtin_config(e, rc, "rc");
241
242
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 9 if (read_user_rc) {
243 2 ConfigFlags flags = CFG_NOFLAGS;
244 2 char buf[8192];
245
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 2 if (filename) {
246 flags |= CFG_MUST_EXIST;
247 } else {
248 ✗ xsnprintf(buf, sizeof buf, "%s/%s", e->user_config_dir, "rc");
249 ✗ filename = buf;
250 }
251 2 LOG_INFO("loading configuration from %s", filename);
252 2 read_normal_config(e, filename, flags);
253 }
254
255 9 log_config_counts(e);
256 9 }
257
258 1 void collect_builtin_configs(PointerArray *a, const char *prefix)
259 {
260 1 size_t prefix_len = strlen(prefix);
261
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 78 for (size_t i = 0; i < ARRAYLEN(builtin_configs); i++) {
262 77 const char *name = builtin_configs[i].name;
263
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 77 if (str_has_strn_prefix(name, prefix, prefix_len)) {
264 1 ptr_array_append(a, xstrdup(name));
265 }
266 }
267 1 }
268
269 // Collect ${builtin:path/name} style variables (minus the leading "${")
270 // TODO: Support ${script:name} variables
271 2 void collect_builtin_config_variables(PointerArray *a, StringView prefix)
272 {
273 2 static const char builtin[] = "builtin:";
274 2 const size_t blen = sizeof(builtin) - 1;
275 2 const size_t cmplen = MIN(prefix.length, blen);
276
277
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 2 if (!strview_remove_matching_sv_prefix(&prefix, string_view(builtin, cmplen))) {
278 return;
279 }
280
281
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 156 for (size_t i = 0; i < ARRAYLEN(builtin_configs); i++) {
282 154 StringView name = strview(builtin_configs[i].name);
283
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 154 if (strview_has_sv_prefix(name, prefix)) {
284 82 ptr_array_append(a, xmemjoin3(builtin, blen, name.data, name.length, "}", 2));
285 }
286 }
287 }
288
289 1 void collect_builtin_includes(PointerArray *a, const char *prefix)
290 {
291 1 size_t prefix_len = strlen(prefix);
292
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 78 for (size_t i = 0; i < ARRAYLEN(builtin_configs); i++) {
293 77 const char *name = builtin_configs[i].name;
294 77 if (
295
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 77 str_has_strn_prefix(name, prefix, prefix_len)
296
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 1 && !str_has_prefix(name, "syntax/")
297
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 1 && !str_has_prefix(name, "script/")
298 ) {
299 1 ptr_array_append(a, xstrdup(name));
300 }
301 }
302 1 }
303