| 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 | 9963 | static bool has_line_continuation(StringView line) | |
| 37 | { | ||
| 38 | 9963 | ssize_t pos = line.length - 1; | |
| 39 |
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10880 | while (pos >= 0 && line.data[pos] == '\\') { |
| 40 | 917 | pos--; | |
| 41 | } | ||
| 42 | 9963 | 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 | 228 | bool exec_config(CommandRunner *runner, StringView config) | |
| 57 | { | ||
| 58 | 228 | EditorState *e = runner->e; | |
| 59 | 228 | ErrorBuffer *ebuf = runner->ebuf; | |
| 60 |
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228 | if (unlikely(e->include_recursion_count > 64)) { |
| 61 | 1 | return error_msg_for_cmd(ebuf, NULL, "config recursion limit reached"); | |
| 62 | } | ||
| 63 | |||
| 64 | 227 | bool stop_at_first_err = (runner->flags & CMDRUNNER_STOP_AT_FIRST_ERROR); | |
| 65 | 227 | size_t nfailed = 0; | |
| 66 | 227 | String buf = string_new(1024); | |
| 67 | 227 | e->include_recursion_count++; | |
| 68 | |||
| 69 |
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10300 | for (size_t i = 0, n = config.length; i < n; ebuf->config_line++) { |
| 70 | 10074 | StringView line = buf_slice_next_line(config.data, &i, n); | |
| 71 | 10074 | strview_trim_left(&line); | |
| 72 |
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10074 | if (buf.len == 0 && strview_has_prefix(line, "#")) { |
| 73 | // Comment line | ||
| 74 | 255 | continue; | |
| 75 | } | ||
| 76 |
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9819 | if (has_line_continuation(line)) { |
| 77 | 677 | line.length--; | |
| 78 | 677 | string_append_strview(&buf, line); | |
| 79 | } else { | ||
| 80 | 9142 | string_append_strview(&buf, line); | |
| 81 | 9142 | bool r = handle_command(runner, string_borrow_cstring(&buf)); | |
| 82 | 9142 | string_clear(&buf); | |
| 83 | 9142 | nfailed += !r; | |
| 84 |
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9142 | if (unlikely(!r && stop_at_first_err)) { |
| 85 | 1 | goto out; | |
| 86 | } | ||
| 87 | } | ||
| 88 | } | ||
| 89 | |||
| 90 |
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226 | 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 | 224 | out: | |
| 97 | 227 | e->include_recursion_count--; | |
| 98 | 227 | string_free(&buf); | |
| 99 | 227 | 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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237 | for (size_t i = 0; i < ARRAYLEN(builtin_configs); i++) { |
| 106 | 234 | string_append_cstring(&str, builtin_configs[i].name); | |
| 107 | 234 | string_append_byte(&str, '\n'); | |
| 108 | } | ||
| 109 | 3 | return str; | |
| 110 | } | ||
| 111 | |||
| 112 | 150 | const BuiltinConfig *get_builtin_config(const char *name) | |
| 113 | { | ||
| 114 |
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5403 | for (size_t i = 0; i < ARRAYLEN(builtin_configs); i++) { |
| 115 |
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5344 | 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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79 | for (size_t i = 0; i < ARRAYLEN(builtin_configs); i++) { |
| 262 | 78 | const char *name = builtin_configs[i].name; | |
| 263 |
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78 | 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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158 | for (size_t i = 0; i < ARRAYLEN(builtin_configs); i++) { |
| 282 | 156 | StringView name = strview(builtin_configs[i].name); | |
| 283 |
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156 | if (strview_has_sv_prefix(name, prefix)) { |
| 284 | 83 | 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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79 | for (size_t i = 0; i < ARRAYLEN(builtin_configs); i++) { |
| 293 | 78 | const char *name = builtin_configs[i].name; | |
| 294 | 78 | if ( | |
| 295 |
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78 | 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 |