src/config.c
| 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 | 229 | bool exec_config(CommandRunner *runner, StringView config) | |
| 29 | { | ||
| 30 | 229 | EditorState *e = runner->e; | |
| 31 | 229 | ErrorBuffer *ebuf = runner->ebuf; | |
| 32 | 229 | BUG_ON(!e); | |
| 33 | 229 | BUG_ON(!ebuf); | |
| 34 | |||
| 35 |
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229 | if (unlikely(e->include_recursion_count > 64)) { |
| 36 | 1 | return error_msg_for_cmd(ebuf, NULL, "config recursion limit reached"); | |
| 37 | } | ||
| 38 | |||
| 39 | 228 | bool stop_at_first_err = (runner->flags & CMDRUNNER_STOP_AT_FIRST_ERROR); | |
| 40 | 228 | size_t nfailed = 0; | |
| 41 | 228 | String buf = string_new(1024); | |
| 42 | 228 | e->include_recursion_count++; | |
| 43 | |||
| 44 |
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10684 | for (size_t i = 0, n = config.length; i < n; ebuf->sourcepos.line++) { |
| 45 | 10457 | StringView line = buf_slice_next_line(config.data, &i, n); | |
| 46 | 10457 | strview_trim_left(&line); | |
| 47 |
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10457 | if (buf.len == 0 && strview_has_prefix(line, "#")) { |
| 48 | // Comment line | ||
| 49 | 1214 | continue; | |
| 50 | } | ||
| 51 | |||
| 52 | 9922 | bool line_continuation = strview_char_suffix_length(line, '\\') & 1; | |
| 53 |
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9922 | if (line_continuation) { |
| 54 | // Line with escaped newline (odd number of backslashes at EOL); | ||
| 55 | // append to buffer but don't execute yet | ||
| 56 | 679 | line.length--; | |
| 57 | 679 | string_append_strview(&buf, line); | |
| 58 | 679 | continue; | |
| 59 | } | ||
| 60 | |||
| 61 | 9243 | string_append_strview(&buf, line); | |
| 62 | 9243 | bool r = handle_command(runner, string_borrow_cstring(&buf)); | |
| 63 | 9243 | string_clear(&buf); | |
| 64 | 9243 | nfailed += !r; | |
| 65 |
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9243 | if (unlikely(!r && stop_at_first_err)) { |
| 66 | 1 | goto out; | |
| 67 | } | ||
| 68 | } | ||
| 69 | |||
| 70 |
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227 | if (unlikely(buf.len)) { |
| 71 | // This can only happen if the last line had a line continuation | ||
| 72 | 2 | bool r = handle_command(runner, string_borrow_cstring(&buf)); | |
| 73 | 2 | nfailed += !r; | |
| 74 | } | ||
| 75 | |||
| 76 | 225 | out: | |
| 77 | 228 | e->include_recursion_count--; | |
| 78 | 228 | string_free(&buf); | |
| 79 | 228 | return (nfailed == 0); | |
| 80 | } | ||
| 81 | |||
| 82 | 3 | String dump_builtin_configs(void) | |
| 83 | { | ||
| 84 | 3 | String str = string_new(1024); | |
| 85 |
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246 | for (size_t i = 0; i < ARRAYLEN(builtin_configs); i++) { |
| 86 | 240 | string_append_cstring(&str, builtin_configs[i].name); | |
| 87 | 240 | string_append_byte(&str, '\n'); | |
| 88 | } | ||
| 89 | 3 | return str; | |
| 90 | } | ||
| 91 | |||
| 92 | 103 | const BuiltinConfig *get_builtin_config(const char *name) | |
| 93 | { | ||
| 94 |
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5445 | for (size_t i = 0; i < ARRAYLEN(builtin_configs); i++) { |
| 95 |
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5385 | if (streq(name, builtin_configs[i].name)) { |
| 96 | 43 | return &builtin_configs[i]; | |
| 97 | } | ||
| 98 | } | ||
| 99 | return NULL; | ||
| 100 | } | ||
| 101 | |||
| 102 | 1 | const BuiltinConfig *get_builtin_configs_array(size_t *nconfigs) | |
| 103 | { | ||
| 104 | 1 | *nconfigs = ARRAYLEN(builtin_configs); | |
| 105 | 1 | return &builtin_configs[0]; | |
| 106 | } | ||
| 107 | |||
| 108 | 111 | static SystemErrno do_read_config ( | |
| 109 | CommandRunner *runner, | ||
| 110 | const char *filename, | ||
| 111 | ConfigFlags flags | ||
| 112 | ) { | ||
| 113 | 111 | ErrorBuffer *ebuf = runner->ebuf; | |
| 114 | 111 | bool must_exist = flags & CFG_MUST_EXIST; | |
| 115 | 111 | bool stop_at_first_err = runner->flags & CMDRUNNER_STOP_AT_FIRST_ERROR; | |
| 116 | 111 | BUG_ON(!ebuf); | |
| 117 | |||
| 118 |
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111 | if (flags & CFG_BUILTIN) { |
| 119 | 42 | const BuiltinConfig *cfg = get_builtin_config(filename); | |
| 120 |
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42 | if (cfg) { |
| 121 | 41 | ebuf->sourcepos.filename = filename; | |
| 122 | 41 | ebuf->sourcepos.line = 1; | |
| 123 | 41 | bool r = exec_config(runner, cfg->text); | |
| 124 |
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41 | return (r || !stop_at_first_err) ? 0 : EINVAL; |
| 125 | } | ||
| 126 |
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1 | if (must_exist) { |
| 127 | 1 | error_msg(ebuf, "no built-in config with name '%s'", filename); | |
| 128 | } | ||
| 129 | return ENOENT; | ||
| 130 | } | ||
| 131 | |||
| 132 | 69 | char *buf; | |
| 133 | 69 | ssize_t size = read_file(filename, &buf, 0); | |
| 134 |
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69 | if (size < 0) { |
| 135 | 1 | int err = errno; | |
| 136 |
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1 | if (err != ENOENT || must_exist) { |
| 137 | 1 | error_msg(ebuf, "Error reading %s: %s", filename, strerror(err)); | |
| 138 | } | ||
| 139 | return err; | ||
| 140 | } | ||
| 141 | |||
| 142 | 68 | ebuf->sourcepos.filename = filename; | |
| 143 | 68 | ebuf->sourcepos.line = 1; | |
| 144 | 68 | bool r = exec_config(runner, string_view(buf, size)); | |
| 145 | 68 | free(buf); | |
| 146 |
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68 | return (r || !stop_at_first_err) ? 0 : EINVAL; |
| 147 | } | ||
| 148 | |||
| 149 | 111 | SystemErrno read_config(CommandRunner *runner, const char *filename, ConfigFlags flags) | |
| 150 | { | ||
| 151 | 111 | ErrorBuffer *ebuf = runner->ebuf; | |
| 152 | 111 | ConfigLocation save = ebuf->sourcepos; | |
| 153 | 111 | SystemErrno ret = do_read_config(runner, filename, flags); | |
| 154 | 111 | ebuf->sourcepos = save; | |
| 155 | 111 | return ret; | |
| 156 | } | ||
| 157 | |||
| 158 | 27 | static void exec_builtin_config(EditorState *e, StringView cfg, const char *name) | |
| 159 | { | ||
| 160 | 27 | ErrorBuffer *ebuf = &e->err; | |
| 161 | 27 | ConfigLocation save = ebuf->sourcepos; | |
| 162 | 27 | ebuf->sourcepos.filename = name; | |
| 163 | 27 | ebuf->sourcepos.line = 1; | |
| 164 | 27 | exec_normal_config(e, cfg); | |
| 165 | 27 | ebuf->sourcepos = save; | |
| 166 | 27 | } | |
| 167 | |||
| 168 | 18 | void exec_builtin_color_reset(EditorState *e) | |
| 169 | { | ||
| 170 | 18 | StringView reset = string_view(builtin_color_reset, sizeof(builtin_color_reset) - 1); | |
| 171 | 18 | clear_hl_styles(&e->styles); | |
| 172 | 18 | exec_builtin_config(e, reset, "color/reset"); | |
| 173 | 18 | e->screen_update |= UPDATE_SYNTAX_STYLES | UPDATE_ALL_WINDOWS; | |
| 174 | 18 | } | |
| 175 | |||
| 176 | 9 | static void log_config_counts(const EditorState *e) | |
| 177 | { | ||
| 178 |
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9 | if (!log_level_enabled(LOG_LEVEL_INFO)) { |
| 179 | return; | ||
| 180 | } | ||
| 181 | |||
| 182 | 1 | size_t nbinds = 0; | |
| 183 | 1 | size_t nbinds_cached = 0; | |
| 184 |
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4 | for (HashMapIter modeiter = hashmap_iter(&e->modes); hashmap_next(&modeiter); ) { |
| 185 | 3 | const ModeHandler *mode = modeiter.entry->value; | |
| 186 | 3 | const IntMap *binds = &mode->key_bindings; | |
| 187 | 3 | nbinds += binds->count; | |
| 188 |
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223 | for (IntMapIter binditer = intmap_iter(binds); intmap_next(&binditer); ) { |
| 189 | 220 | const CachedCommand *cc = binditer.entry->value; | |
| 190 | 220 | nbinds_cached += !!cc->cmd; | |
| 191 | } | ||
| 192 | } | ||
| 193 | |||
| 194 | 1 | size_t nerrorfmts = 0; | |
| 195 |
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4 | for (HashMapIter it = hashmap_iter(&e->compilers); hashmap_next(&it); ) { |
| 196 | 3 | const Compiler *compiler = it.entry->value; | |
| 197 | 3 | nerrorfmts += compiler->error_formats.count; | |
| 198 | } | ||
| 199 | |||
| 200 | 1 | LOG_INFO ( | |
| 201 | "bind=%zu(%zu) alias=%zu hi=%zu ft=%zu option=%zu errorfmt=%zu(%zu)", | ||
| 202 | nbinds, | ||
| 203 | nbinds_cached, | ||
| 204 | e->aliases.count, | ||
| 205 | e->styles.other.count + NR_BSE, | ||
| 206 | e->filetypes.count, | ||
| 207 | e->file_options.count, | ||
| 208 | e->compilers.count, | ||
| 209 | nerrorfmts | ||
| 210 | ); | ||
| 211 | } | ||
| 212 | |||
| 213 | 9 | void exec_rc_files ( | |
| 214 | EditorState *e, | ||
| 215 | const char *filename, | ||
| 216 | bool read_user_rc, | ||
| 217 | bool no_color | ||
| 218 | ) { | ||
| 219 | 9 | StringView rc = string_view(builtin_rc, sizeof(builtin_rc) - 1); | |
| 220 | 9 | exec_builtin_color_reset(e); | |
| 221 | 9 | exec_builtin_config(e, rc, "rc"); | |
| 222 | |||
| 223 |
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9 | if (no_color) { |
| 224 | ✗ | size_t nc_len = sizeof(builtin_color_nocolor) - 1; | |
| 225 | ✗ | StringView nc = string_view(builtin_color_nocolor, nc_len); | |
| 226 | ✗ | exec_builtin_config(e, nc, "color/nocolor"); | |
| 227 | } | ||
| 228 | |||
| 229 |
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9 | if (read_user_rc) { |
| 230 | 2 | ConfigFlags flags = CFG_NOFLAGS; | |
| 231 | 2 | char buf[8192]; | |
| 232 |
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2 | if (filename) { |
| 233 | flags |= CFG_MUST_EXIST; | ||
| 234 | } else { | ||
| 235 | ✗ | xsnprintf(buf, sizeof buf, "%s/%s", e->user_config_dir, "rc"); | |
| 236 | ✗ | filename = buf; | |
| 237 | } | ||
| 238 | 2 | LOG_INFO("loading configuration from %s", filename); | |
| 239 | 2 | read_normal_config(e, filename, flags); | |
| 240 | } | ||
| 241 | |||
| 242 | 9 | log_config_counts(e); | |
| 243 | 9 | } | |
| 244 | |||
| 245 | 1 | void collect_builtin_configs(PointerArray *a, StringView prefix) | |
| 246 | { | ||
| 247 |
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81 | for (size_t i = 0; i < ARRAYLEN(builtin_configs); i++) { |
| 248 | 80 | const char *name = builtin_configs[i].name; | |
| 249 |
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80 | if (str_has_sv_prefix(name, prefix)) { |
| 250 | 1 | ptr_array_append(a, xstrdup(name)); | |
| 251 | } | ||
| 252 | } | ||
| 253 | 1 | } | |
| 254 | |||
| 255 | // Collect ${builtin:path/name} style variables (minus the leading "${") | ||
| 256 | // TODO: Support ${script:name} variables | ||
| 257 | 2 | void collect_builtin_config_variables(PointerArray *a, StringView prefix) | |
| 258 | { | ||
| 259 | 2 | static const char builtin[] = "builtin:"; | |
| 260 | 2 | const size_t blen = sizeof(builtin) - 1; | |
| 261 | 2 | const size_t cmplen = MIN(prefix.length, blen); | |
| 262 | |||
| 263 |
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2 | if (!strview_remove_matching_sv_prefix(&prefix, string_view(builtin, cmplen))) { |
| 264 | return; | ||
| 265 | } | ||
| 266 | |||
| 267 |
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162 | for (size_t i = 0; i < ARRAYLEN(builtin_configs); i++) { |
| 268 | 160 | StringView name = strview(builtin_configs[i].name); | |
| 269 |
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160 | if (strview_has_sv_prefix(name, prefix)) { |
| 270 | 86 | ptr_array_append(a, xmemjoin3(builtin, blen, name.data, name.length, "}", 2)); | |
| 271 | } | ||
| 272 | } | ||
| 273 | } | ||
| 274 | |||
| 275 | 1 | void collect_builtin_includes(PointerArray *a, StringView prefix) | |
| 276 | { | ||
| 277 |
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81 | for (size_t i = 0; i < ARRAYLEN(builtin_configs); i++) { |
| 278 | 80 | StringView name = strview(builtin_configs[i].name); | |
| 279 |
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80 | if ( |
| 280 | 80 | strview_has_sv_prefix(name, prefix) | |
| 281 |
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1 | && !strview_has_either_prefix(name, "syntax/", "script/") |
| 282 | ) { | ||
| 283 | 1 | ptr_array_append(a, strview_clone_cstring(name)); | |
| 284 | } | ||
| 285 | } | ||
| 286 | 1 | } | |
| 287 |