dte test coverage

Directory: ./
File: src/config.c
Date: 2025-06-23 08:41:16
Exec Total Coverage
Lines: 154 156 98.7%
Functions: 15 15 100.0%
Branches: 54 60 90.0%
Line Branch Exec Source
1 #include "feature.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 9814 static bool has_line_continuation(StringView line)
37 {
38 9814 ssize_t pos = line.length - 1;
39
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 10704 while (pos >= 0 && line.data[pos] == '\\') {
40 890 pos--;
41 }
42 9814 return (line.length - 1 - pos) & 1;
43 }
44
45 24 UNITTEST {
46 // NOLINTBEGIN(bugprone-assert-side-effect)
47 24 BUG_ON(has_line_continuation(string_view(NULL, 0)));
48 24 BUG_ON(has_line_continuation(strview_from_cstring("0")));
49 24 BUG_ON(!has_line_continuation(strview_from_cstring("1 \\")));
50 24 BUG_ON(has_line_continuation(strview_from_cstring("2 \\\\")));
51 24 BUG_ON(!has_line_continuation(strview_from_cstring("3 \\\\\\")));
52 24 BUG_ON(has_line_continuation(strview_from_cstring("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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 10131 for (size_t i = 0, n = config.length; i < n; ebuf->config_line++) {
70 9907 StringView line = buf_slice_next_line(config.data, &i, n);
71 9907 strview_trim_left(&line);
72
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 9907 if (buf.len == 0 && strview_has_prefix(&line, "#")) {
73 // Comment line
74 237 continue;
75 }
76
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 9670 if (has_line_continuation(line)) {
77 650 line.length--;
78 650 string_append_strview(&buf, &line);
79 } else {
80 9020 string_append_strview(&buf, &line);
81 9020 bool r = handle_command(runner, string_borrow_cstring(&buf));
82 9020 string_clear(&buf);
83 9020 nfailed += !r;
84
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 9020 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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 201 for (size_t i = 0; i < ARRAYLEN(builtin_configs); i++) {
106 198 string_append_cstring(&str, builtin_configs[i].name);
107 198 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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 4497 for (size_t i = 0; i < ARRAYLEN(builtin_configs); i++) {
115
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 4439 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 int do_read_config(CommandRunner *runner, const char *filename, ConfigFlags flags)
129 {
130 111 ErrorBuffer *ebuf = runner->ebuf;
131 111 bool must_exist = flags & CFG_MUST_EXIST;
132 111 bool stop_at_first_err = runner->flags & CMDRUNNER_STOP_AT_FIRST_ERROR;
133
134
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 111 if (flags & CFG_BUILTIN) {
135 42 const BuiltinConfig *cfg = get_builtin_config(filename);
136
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 42 if (cfg) {
137 41 ebuf->config_filename = filename;
138 41 ebuf->config_line = 1;
139 41 bool r = exec_config(runner, cfg->text);
140
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 41 return (r || !stop_at_first_err) ? 0 : EINVAL;
141 }
142
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 1 if (must_exist) {
143 1 error_msg(ebuf, "no built-in config with name '%s'", filename);
144 }
145 1 return ENOENT;
146 }
147
148 69 char *buf;
149 69 ssize_t size = read_file(filename, &buf, 0);
150
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 69 if (size < 0) {
151 1 int err = errno;
152
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 1 if (err != ENOENT || must_exist) {
153 1 error_msg(ebuf, "Error reading %s: %s", filename, strerror(err));
154 }
155 1 return err;
156 }
157
158 68 ebuf->config_filename = filename;
159 68 ebuf->config_line = 1;
160 68 bool r = exec_config(runner, string_view(buf, size));
161 68 free(buf);
162
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 68 return (r || !stop_at_first_err) ? 0 : EINVAL;
163 }
164
165 111 int read_config(CommandRunner *runner, const char *filename, ConfigFlags flags)
166 {
167 111 ErrorBuffer *ebuf = runner->ebuf;
168 111 const char *saved_file = ebuf->config_filename;
169 111 const unsigned int saved_line = ebuf->config_line;
170 111 int ret = do_read_config(runner, filename, flags);
171 111 ebuf->config_filename = saved_file;
172 111 ebuf->config_line = saved_line;
173 111 return ret;
174 }
175
176 27 static void exec_builtin_config(EditorState *e, StringView cfg, const char *name)
177 {
178 27 ErrorBuffer *ebuf = &e->err;
179 27 const char *saved_file = ebuf->config_filename;
180 27 const unsigned int saved_line = ebuf->config_line;
181 27 ebuf->config_filename = name;
182 27 ebuf->config_line = 1;
183 27 exec_normal_config(e, cfg);
184 27 ebuf->config_filename = saved_file;
185 27 ebuf->config_line = saved_line;
186 27 }
187
188 18 void exec_builtin_color_reset(EditorState *e)
189 {
190 18 clear_hl_styles(&e->styles);
191 18 StringView reset = string_view(builtin_color_reset, sizeof(builtin_color_reset) - 1);
192 18 exec_builtin_config(e, reset, "color/reset");
193 18 }
194
195 9 static void log_config_counts(const EditorState *e)
196 {
197
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 9 if (!log_level_enabled(LOG_LEVEL_INFO)) {
198 return;
199 }
200
201 1 size_t nbinds = 0;
202 1 size_t nbinds_cached = 0;
203
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 4 for (HashMapIter modeiter = hashmap_iter(&e->modes); hashmap_next(&modeiter); ) {
204 3 const ModeHandler *mode = modeiter.entry->value;
205 3 const IntMap *binds = &mode->key_bindings;
206 3 nbinds += binds->count;
207
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 212 for (IntMapIter binditer = intmap_iter(binds); intmap_next(&binditer); ) {
208 209 const CachedCommand *cc = binditer.entry->value;
209 209 nbinds_cached += !!cc->cmd;
210 }
211 }
212
213 1 size_t nerrorfmts = 0;
214
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 4 for (HashMapIter it = hashmap_iter(&e->compilers); hashmap_next(&it); ) {
215 3 const Compiler *compiler = it.entry->value;
216 3 nerrorfmts += compiler->error_formats.count;
217 }
218
219 1 LOG_INFO (
220 "bind=%zu(%zu) alias=%zu hi=%zu ft=%zu option=%zu errorfmt=%zu(%zu)",
221 nbinds,
222 nbinds_cached,
223 e->aliases.count,
224 e->styles.other.count + NR_BSE,
225 e->filetypes.count,
226 e->file_options.count,
227 e->compilers.count,
228 nerrorfmts
229 );
230 }
231
232 9 void exec_rc_files(EditorState *e, const char *filename, bool read_user_rc)
233 {
234 9 StringView rc = string_view(builtin_rc, sizeof(builtin_rc) - 1);
235 9 exec_builtin_color_reset(e);
236 9 exec_builtin_config(e, rc, "rc");
237
238
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 9 if (read_user_rc) {
239 2 ConfigFlags flags = CFG_NOFLAGS;
240 2 char buf[8192];
241
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 2 if (filename) {
242 flags |= CFG_MUST_EXIST;
243 } else {
244 ✗ xsnprintf(buf, sizeof buf, "%s/%s", e->user_config_dir, "rc");
245 ✗ filename = buf;
246 }
247 2 LOG_INFO("loading configuration from %s", filename);
248 2 read_normal_config(e, filename, flags);
249 }
250
251 9 log_config_counts(e);
252 9 update_all_syntax_styles(&e->syntaxes, &e->styles);
253 9 }
254
255 1 void collect_builtin_configs(PointerArray *a, const char *prefix)
256 {
257 1 size_t prefix_len = strlen(prefix);
258
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 67 for (size_t i = 0; i < ARRAYLEN(builtin_configs); i++) {
259 66 const char *name = builtin_configs[i].name;
260
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 66 if (str_has_strn_prefix(name, prefix, prefix_len)) {
261 1 ptr_array_append(a, xstrdup(name));
262 }
263 }
264 1 }
265
266 1 void collect_builtin_includes(PointerArray *a, const char *prefix)
267 {
268 1 size_t prefix_len = strlen(prefix);
269
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 67 for (size_t i = 0; i < ARRAYLEN(builtin_configs); i++) {
270 66 const char *name = builtin_configs[i].name;
271 66 if (
272
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 66 str_has_strn_prefix(name, prefix, prefix_len)
273
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 1 && !str_has_prefix(name, "syntax/")
274 ) {
275 1 ptr_array_append(a, xstrdup(name));
276 }
277 }
278 1 }
279