| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | #include "feature.h" | ||
| 2 | #include <fcntl.h> | ||
| 3 | #include <stdint.h> | ||
| 4 | #include <stdlib.h> | ||
| 5 | #include <string.h> | ||
| 6 | #include <sys/mman.h> | ||
| 7 | #include <unistd.h> | ||
| 8 | #include "exec.h" | ||
| 9 | #include "block-iter.h" | ||
| 10 | #include "buffer.h" | ||
| 11 | #include "change.h" | ||
| 12 | #include "command/macro.h" | ||
| 13 | #include "commands.h" | ||
| 14 | #include "config.h" | ||
| 15 | #include "ctags.h" | ||
| 16 | #include "move.h" | ||
| 17 | #include "msg.h" | ||
| 18 | #include "selection.h" | ||
| 19 | #include "tag.h" | ||
| 20 | #include "terminal/mode.h" | ||
| 21 | #include "util/bsearch.h" | ||
| 22 | #include "util/debug.h" | ||
| 23 | #include "util/log.h" | ||
| 24 | #include "util/numtostr.h" | ||
| 25 | #include "util/str-util.h" | ||
| 26 | #include "util/string-view.h" | ||
| 27 | #include "util/string.h" | ||
| 28 | #include "util/strtonum.h" | ||
| 29 | #include "util/xreadwrite.h" | ||
| 30 | #include "util/xsnprintf.h" | ||
| 31 | #include "view.h" | ||
| 32 | #include "window.h" | ||
| 33 | |||
| 34 | enum { | ||
| 35 | IN = 1 << 0, | ||
| 36 | OUT = 1 << 1, | ||
| 37 | ERR = 1 << 2, | ||
| 38 | ALL = IN | OUT | ERR, | ||
| 39 | }; | ||
| 40 | |||
| 41 | static const struct { | ||
| 42 | char name[11]; | ||
| 43 | uint8_t flags; | ||
| 44 | } exec_map[] = { | ||
| 45 | [EXEC_BUFFER] = {"buffer", IN | OUT}, | ||
| 46 | [EXEC_COMMAND] = {"command", IN}, | ||
| 47 | [EXEC_ECHO] = {"echo", OUT}, | ||
| 48 | [EXEC_ERRMSG] = {"errmsg", ERR}, | ||
| 49 | [EXEC_EVAL] = {"eval", OUT}, | ||
| 50 | [EXEC_LINE] = {"line", IN}, | ||
| 51 | [EXEC_MSG] = {"msg", IN | OUT}, | ||
| 52 | [EXEC_MSG_A] = {"msgA", IN | OUT}, | ||
| 53 | [EXEC_MSG_B] = {"msgB", IN | OUT}, | ||
| 54 | [EXEC_MSG_C] = {"msgC", IN | OUT}, | ||
| 55 | [EXEC_NULL] = {"null", ALL}, | ||
| 56 | [EXEC_OPEN] = {"open", IN | OUT}, | ||
| 57 | [EXEC_OPEN_REL] = {"open-rel", IN}, | ||
| 58 | [EXEC_SEARCH] = {"search", IN}, | ||
| 59 | [EXEC_TAG] = {"tag", OUT}, | ||
| 60 | [EXEC_TAG_A] = {"tagA", OUT}, | ||
| 61 | [EXEC_TAG_B] = {"tagB", OUT}, | ||
| 62 | [EXEC_TAG_C] = {"tagC", OUT}, | ||
| 63 | [EXEC_TTY] = {"tty", ALL}, | ||
| 64 | [EXEC_WORD] = {"word", IN}, | ||
| 65 | }; | ||
| 66 | |||
| 67 | 24 | UNITTEST { | |
| 68 | 24 | CHECK_BSEARCH_ARRAY(exec_map, name); | |
| 69 | 24 | } | |
| 70 | |||
| 71 | 18 | ExecAction lookup_exec_action(const char *name, int fd) | |
| 72 | { | ||
| 73 | 18 | BUG_ON(fd < 0 || fd > 2); | |
| 74 | 18 | ssize_t i = BSEARCH_IDX(name, exec_map, vstrcmp); | |
| 75 |
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18 | return (i >= 0 && (exec_map[i].flags & 1u << fd)) ? i : EXEC_INVALID; |
| 76 | } | ||
| 77 | |||
| 78 | 1 | void collect_exec_actions(PointerArray *a, const char *prefix, int fd) | |
| 79 | { | ||
| 80 |
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1 | if (unlikely(fd < 0 || fd > 2)) { |
| 81 | return; | ||
| 82 | } | ||
| 83 | |||
| 84 | 1 | size_t prefix_len = strlen(prefix); | |
| 85 | 1 | unsigned int flag = 1u << fd; | |
| 86 |
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21 | for (size_t i = 0; i < ARRAYLEN(exec_map); i++) { |
| 87 | 20 | const char *action = exec_map[i].name; | |
| 88 |
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20 | if ((exec_map[i].flags & flag) && str_has_strn_prefix(action, prefix, prefix_len)) { |
| 89 | 14 | ptr_array_append(a, xstrdup(action)); | |
| 90 | } | ||
| 91 | } | ||
| 92 | } | ||
| 93 | |||
| 94 | ✗ | static void open_files_from_string(EditorState *e, const String *str) | |
| 95 | { | ||
| 96 | ✗ | PointerArray filenames = PTR_ARRAY_INIT; | |
| 97 | ✗ | for (size_t pos = 0, size = str->len; pos < size; ) { | |
| 98 | ✗ | char *filename = buf_next_line(str->buffer, &pos, size); | |
| 99 | ✗ | if (filename[0] != '\0') { | |
| 100 | ✗ | ptr_array_append(&filenames, filename); | |
| 101 | } | ||
| 102 | } | ||
| 103 | |||
| 104 | ✗ | if (filenames.count == 0) { | |
| 105 | ✗ | return; | |
| 106 | } | ||
| 107 | |||
| 108 | ✗ | ptr_array_append(&filenames, NULL); | |
| 109 | ✗ | window_open_files(e->window, (char**)filenames.ptrs, NULL); | |
| 110 | |||
| 111 | // TODO: re-enable this when the todo in allow_macro_recording() is done | ||
| 112 | // macro_command_hook(&e->macro, "open", (char**)filenames.ptrs); | ||
| 113 | |||
| 114 | ✗ | ptr_array_free_array(&filenames); | |
| 115 | } | ||
| 116 | |||
| 117 | ✗ | static void parse_and_activate_message(EditorState *e, const String *str, ExecAction action) | |
| 118 | { | ||
| 119 | ✗ | if (unlikely(str->len == 0)) { | |
| 120 | ✗ | error_msg(&e->err, "child produced no output"); | |
| 121 | ✗ | return; | |
| 122 | } | ||
| 123 | |||
| 124 | ✗ | size_t msgs_idx = (action == EXEC_MSG) ? 0 : action - EXEC_MSG_A; | |
| 125 | ✗ | BUG_ON(msgs_idx >= ARRAYLEN(e->messages)); | |
| 126 | ✗ | MessageList *msgs = &e->messages[msgs_idx]; | |
| 127 | ✗ | size_t count = msgs->array.count; | |
| 128 | ✗ | size_t x; | |
| 129 | |||
| 130 | ✗ | if (!count || !buf_parse_size(str->buffer, str->len, &x) || !x) { | |
| 131 | ✗ | return; | |
| 132 | } | ||
| 133 | |||
| 134 | ✗ | msgs->pos = MIN(x - 1, count - 1); | |
| 135 | ✗ | activate_current_message(msgs, e->window); | |
| 136 | } | ||
| 137 | |||
| 138 | ✗ | static void parse_and_activate_tags(EditorState *e, const String *str, ExecAction action) | |
| 139 | { | ||
| 140 | ✗ | ErrorBuffer *ebuf = &e->err; | |
| 141 | ✗ | if (unlikely(str->len == 0)) { | |
| 142 | ✗ | error_msg(ebuf, "child produced no output"); | |
| 143 | ✗ | return; | |
| 144 | } | ||
| 145 | |||
| 146 | ✗ | char cwd[8192]; | |
| 147 | ✗ | if (unlikely(!getcwd(cwd, sizeof cwd))) { | |
| 148 | ✗ | error_msg_errno(ebuf, "getcwd() failed"); | |
| 149 | ✗ | return; | |
| 150 | } | ||
| 151 | |||
| 152 | ✗ | const StringView dir = strview_from_cstring(cwd); | |
| 153 | ✗ | const char *buffer_filename = e->buffer->abs_filename; | |
| 154 | ✗ | TagFile *tf = &e->tagfile; | |
| 155 | ✗ | enum {NOT_LOADED, LOADED, FAILED} tf_status = NOT_LOADED; | |
| 156 | |||
| 157 | ✗ | size_t msgs_idx = (action == EXEC_TAG) ? e->options.msg_tag : action - EXEC_TAG_A; | |
| 158 | ✗ | BUG_ON(msgs_idx >= ARRAYLEN(e->messages)); | |
| 159 | ✗ | MessageList *msgs = &e->messages[msgs_idx]; | |
| 160 | ✗ | clear_messages(msgs); | |
| 161 | |||
| 162 | ✗ | for (size_t pos = 0, len = str->len; pos < len; ) { | |
| 163 | ✗ | Tag tag; | |
| 164 | ✗ | StringView line = buf_slice_next_line(str->buffer, &pos, len); | |
| 165 | ✗ | if (line.length == 0) { | |
| 166 | ✗ | continue; | |
| 167 | } | ||
| 168 | |||
| 169 | ✗ | bool parsed = parse_ctags_line(&tag, line.data, line.length); | |
| 170 | ✗ | if (parsed) { | |
| 171 | // `line` is a valid tags(5) file entry; handle it directly | ||
| 172 | ✗ | add_message_for_tag(msgs, &tag, &dir); | |
| 173 | ✗ | continue; | |
| 174 | } | ||
| 175 | |||
| 176 | // Treat `line` as a simple tag name (look it up in the tags(5) file) | ||
| 177 | ✗ | switch (tf_status) { | |
| 178 | ✗ | case NOT_LOADED: | |
| 179 | ✗ | tf_status = load_tag_file(tf, ebuf) ? LOADED : FAILED; | |
| 180 | ✗ | if (tf_status == FAILED) { | |
| 181 | ✗ | continue; | |
| 182 | } | ||
| 183 | // Fallthrough | ||
| 184 | case LOADED: | ||
| 185 | ✗ | tag_lookup(tf, msgs, ebuf, &line, buffer_filename); | |
| 186 | ✗ | continue; | |
| 187 | ✗ | case FAILED: | |
| 188 | ✗ | continue; | |
| 189 | } | ||
| 190 | } | ||
| 191 | |||
| 192 | ✗ | activate_current_message_save(msgs, &e->bookmarks, e->view); | |
| 193 | } | ||
| 194 | |||
| 195 | ✗ | static void insert_to_selection ( | |
| 196 | View *view, | ||
| 197 | const String *output, | ||
| 198 | const SelectionInfo *info | ||
| 199 | ) { | ||
| 200 | ✗ | size_t del_count = info->eo - info->so; | |
| 201 | ✗ | buffer_replace_bytes(view, del_count, output->buffer, output->len); | |
| 202 | |||
| 203 | ✗ | if (output->len == 0) { | |
| 204 | // If the selection was replaced with 0 bytes then there's nothing | ||
| 205 | // new to select, so just unselect instead | ||
| 206 | ✗ | unselect(view); | |
| 207 | ✗ | return; | |
| 208 | } | ||
| 209 | |||
| 210 | // Keep the selection and adjust the size to the newly inserted text | ||
| 211 | ✗ | size_t so = info->so; | |
| 212 | ✗ | size_t eo = so + (output->len - 1); | |
| 213 | ✗ | block_iter_goto_offset(&view->cursor, info->swapped ? so : eo); | |
| 214 | ✗ | view->sel_so = info->swapped ? eo : so; | |
| 215 | ✗ | view->sel_eo = SEL_EO_RECALC; | |
| 216 | } | ||
| 217 | |||
| 218 | 4 | static void show_spawn_error_msg(ErrorBuffer *ebuf, const String *errstr, int err) | |
| 219 | { | ||
| 220 |
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4 | if (err <= 0) { |
| 221 | // spawn() returned an error code instead of an exit code, which | ||
| 222 | // indicates that something failed before (or during) the child | ||
| 223 | // process exec(3p), or that an error occurred in wait_child(). | ||
| 224 | // In this case, error_msg() has already been called. | ||
| 225 | 1 | return; | |
| 226 | } | ||
| 227 | |||
| 228 | 3 | char msg[512]; | |
| 229 | 3 | msg[0] = '\0'; | |
| 230 |
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3 | if (errstr->len) { |
| 231 | 1 | size_t pos = 0; | |
| 232 | 1 | StringView line = buf_slice_next_line(errstr->buffer, &pos, errstr->len); | |
| 233 | 1 | BUG_ON(pos == 0); | |
| 234 | 1 | size_t len = MIN(line.length, sizeof(msg) - 8); | |
| 235 | 1 | xsnprintf(msg, sizeof(msg), ": \"%.*s\"", (int)len, line.data); | |
| 236 | } | ||
| 237 | |||
| 238 |
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3 | if (err >= 256) { |
| 239 | 1 | int sig = err >> 8; | |
| 240 | 1 | const char *str = strsignal(sig); | |
| 241 |
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1 | error_msg(ebuf, "Child received signal %d (%s)%s", sig, str ? str : "??", msg); |
| 242 | 2 | } else if (err) { | |
| 243 | 2 | error_msg(ebuf, "Child returned %d%s", err, msg); | |
| 244 | } | ||
| 245 | } | ||
| 246 | |||
| 247 | 45 | static SpawnAction spawn_action_from_exec_action(ExecAction action) | |
| 248 | { | ||
| 249 | 45 | BUG_ON(action == EXEC_INVALID); | |
| 250 |
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45 | if (action == EXEC_NULL) { |
| 251 | return SPAWN_NULL; | ||
| 252 |
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45 | } else if (action == EXEC_TTY) { |
| 253 | return SPAWN_TTY; | ||
| 254 | } else { | ||
| 255 | 15 | return SPAWN_PIPE; | |
| 256 | } | ||
| 257 | } | ||
| 258 | |||
| 259 | ✗ | int open_builtin_script(ErrorBuffer *ebuf, const char *name) | |
| 260 | { | ||
| 261 | ✗ | const BuiltinConfig *cfg = get_builtin_config(name); | |
| 262 | ✗ | if (unlikely(!cfg)) { | |
| 263 | ✗ | error_msg(ebuf, "no built-in script with name '%s'", name); | |
| 264 | ✗ | return -1; | |
| 265 | } | ||
| 266 | ✗ | if (unlikely(!str_has_prefix(name, "script/"))) { | |
| 267 | ✗ | error_msg(ebuf, "built-in config '%s' not an executable script", name); | |
| 268 | ✗ | return -1; | |
| 269 | } | ||
| 270 | |||
| 271 | #if HAVE_MEMFD_CREATE && HAVE_FEXECVE | ||
| 272 | // MFD_CLOEXEC isn't used here, due to a bug in the way fexecve(3) | ||
| 273 | // is implemented on Linux. See also: | ||
| 274 | // • https://man7.org/linux/man-pages/man3/fexecve.3.html#BUGS | ||
| 275 | // • https://man7.org/linux/man-pages/man2/execveat.2.html#BUGS | ||
| 276 | ✗ | int prog_fd = memfd_create(name, MFD_ALLOW_SEALING); | |
| 277 | ✗ | if (prog_fd < 0) { | |
| 278 | ✗ | error_msg_errno(ebuf, "memfd_create"); | |
| 279 | ✗ | return -1; | |
| 280 | } | ||
| 281 | |||
| 282 | ✗ | if (xwrite_all(prog_fd, cfg->text.data, cfg->text.length) < 0) { | |
| 283 | ✗ | error_msg_errno(ebuf, "xwrite_all"); | |
| 284 | ✗ | xclose(prog_fd); | |
| 285 | ✗ | return -1; | |
| 286 | } | ||
| 287 | |||
| 288 | ✗ | int seals = F_SEAL_SEAL | F_SEAL_SHRINK | F_SEAL_GROW | F_SEAL_WRITE; | |
| 289 | ✗ | if (fcntl(prog_fd, F_ADD_SEALS, seals)) { | |
| 290 | // Not a hard error, since sealing isn't strictly needed | ||
| 291 | ✗ | LOG_ERRNO("setting file seals failed"); | |
| 292 | } | ||
| 293 | |||
| 294 | return prog_fd; | ||
| 295 | #endif | ||
| 296 | |||
| 297 | // TODO: Use shm_open() as a fallback implementation. That API is | ||
| 298 | // inferior for this use case, but it's part of the POSIX [SHM] | ||
| 299 | // option and is also more portable in practice (e.g. to OpenBSD, | ||
| 300 | // macOS, etc.). | ||
| 301 | error_msg(ebuf, "executing built-in scripts not yet supported on this platform"); | ||
| 302 | return -1; | ||
| 303 | } | ||
| 304 | |||
| 305 | // NOLINTNEXTLINE(readability-function-size) | ||
| 306 | 15 | ssize_t handle_exec ( | |
| 307 | EditorState *e, | ||
| 308 | const char **argv, | ||
| 309 | ExecAction actions[3], | ||
| 310 | ExecFlags exec_flags | ||
| 311 | ) { | ||
| 312 | 15 | View *view = e->view; | |
| 313 | 15 | const BlockIter saved_cursor = view->cursor; | |
| 314 | 15 | const ssize_t saved_sel_so = view->sel_so; | |
| 315 | 15 | const ssize_t saved_sel_eo = view->sel_eo; | |
| 316 | 15 | char *alloc = NULL; | |
| 317 | 15 | bool output_to_buffer = (actions[STDOUT_FILENO] == EXEC_BUFFER); | |
| 318 | 15 | bool input_from_buffer = false; | |
| 319 | 15 | bool replace_unselected_input = false; | |
| 320 | 15 | bool quiet = (exec_flags & EXECFLAG_QUIET); | |
| 321 | 15 | int prog_fd = -1; | |
| 322 | |||
| 323 |
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15 | if (exec_flags & EXECFLAG_BUILTIN) { |
| 324 | ✗ | prog_fd = open_builtin_script(&e->err, argv[0]); | |
| 325 | ✗ | if (prog_fd < 0) { | |
| 326 | return -1; | ||
| 327 | } | ||
| 328 | } | ||
| 329 | |||
| 330 | 80 | SpawnContext ctx = { | |
| 331 | .argv = argv, | ||
| 332 | .prog_fd = prog_fd, | ||
| 333 | .outputs = {STRING_INIT, STRING_INIT}, | ||
| 334 | .quiet = quiet, | ||
| 335 | 15 | .ebuf = &e->err, | |
| 336 |
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15 | .lines = output_to_buffer ? view->window->edit_h : 0, |
| 337 |
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5 | .columns = output_to_buffer ? view->window->edit_w : 0, |
| 338 | .actions = { | ||
| 339 | 15 | spawn_action_from_exec_action(actions[0]), | |
| 340 | 15 | spawn_action_from_exec_action(actions[1]), | |
| 341 | 15 | spawn_action_from_exec_action(actions[2]), | |
| 342 | }, | ||
| 343 | }; | ||
| 344 | |||
| 345 | 15 | ExecAction in_action = actions[STDIN_FILENO]; | |
| 346 |
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15 | switch (in_action) { |
| 347 | ✗ | case EXEC_LINE: | |
| 348 | ✗ | input_from_buffer = true; | |
| 349 | ✗ | if (!view->selection) { | |
| 350 | ✗ | move_bol(view, BOL_SIMPLE); | |
| 351 | ✗ | StringView line = block_iter_get_line(&view->cursor); | |
| 352 | ✗ | ctx.input.length = line.length; | |
| 353 | ✗ | replace_unselected_input = true; | |
| 354 | } | ||
| 355 | break; | ||
| 356 | 3 | case EXEC_BUFFER: | |
| 357 | 3 | input_from_buffer = true; | |
| 358 |
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3 | if (!view->selection) { |
| 359 | 3 | const Block *blk; | |
| 360 |
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6 | block_for_each(blk, &view->buffer->blocks) { |
| 361 | 3 | ctx.input.length += blk->size; | |
| 362 | } | ||
| 363 | 3 | move_bof(view); | |
| 364 | 3 | replace_unselected_input = true; | |
| 365 | } | ||
| 366 | break; | ||
| 367 | ✗ | case EXEC_WORD: | |
| 368 | ✗ | input_from_buffer = true; | |
| 369 | ✗ | if (!view->selection) { | |
| 370 | ✗ | StringView line; | |
| 371 | ✗ | size_t offset = get_current_line_and_offset(&view->cursor, &line); | |
| 372 | ✗ | size_t start = offset; | |
| 373 | ✗ | size_t end = get_bounds_for_word_under_cursor(line, &start); | |
| 374 | ✗ | if (end == 0) { | |
| 375 | break; | ||
| 376 | } | ||
| 377 | |||
| 378 | // If `start` is less than `offset` here, the subtraction wraps | ||
| 379 | // but nevertheless works as intended | ||
| 380 | ✗ | view->cursor.offset += start - offset; // == view->cursor.offset -= (offset - start) | |
| 381 | |||
| 382 | ✗ | ctx.input.length = end - start; | |
| 383 | ✗ | BUG_ON(view->cursor.offset >= view->cursor.blk->size); | |
| 384 | ✗ | replace_unselected_input = true; | |
| 385 | } | ||
| 386 | break; | ||
| 387 | ✗ | case EXEC_MSG: | |
| 388 | case EXEC_MSG_A: | ||
| 389 | case EXEC_MSG_B: | ||
| 390 | case EXEC_MSG_C: { | ||
| 391 | ✗ | size_t msgs_idx = (in_action == EXEC_MSG) ? 0 : in_action - EXEC_MSG_A; | |
| 392 | ✗ | BUG_ON(msgs_idx >= ARRAYLEN(e->messages)); | |
| 393 | ✗ | String messages = dump_messages(&e->messages[msgs_idx]); | |
| 394 | ✗ | ctx.input = strview_from_string(&messages); | |
| 395 | ✗ | alloc = messages.buffer; | |
| 396 | ✗ | break; | |
| 397 | } | ||
| 398 | ✗ | case EXEC_COMMAND: { | |
| 399 | ✗ | String hist = history_dump(&e->command_history); | |
| 400 | ✗ | ctx.input = strview_from_string(&hist); | |
| 401 | ✗ | alloc = hist.buffer; | |
| 402 | ✗ | break; | |
| 403 | } | ||
| 404 | ✗ | case EXEC_SEARCH: { | |
| 405 | ✗ | String hist = history_dump(&e->search_history); | |
| 406 | ✗ | ctx.input = strview_from_string(&hist); | |
| 407 | ✗ | alloc = hist.buffer; | |
| 408 | ✗ | break; | |
| 409 | } | ||
| 410 | ✗ | case EXEC_OPEN: { | |
| 411 | ✗ | String hist = file_history_dump(&e->file_history); | |
| 412 | ✗ | ctx.input = strview_from_string(&hist); | |
| 413 | ✗ | alloc = hist.buffer; | |
| 414 | ✗ | break; | |
| 415 | } | ||
| 416 | ✗ | case EXEC_OPEN_REL: { | |
| 417 | ✗ | String hist = file_history_dump_relative(&e->file_history); | |
| 418 | ✗ | ctx.input = strview_from_string(&hist); | |
| 419 | ✗ | alloc = hist.buffer; | |
| 420 | ✗ | break; | |
| 421 | } | ||
| 422 | case EXEC_NULL: | ||
| 423 | case EXEC_TTY: | ||
| 424 | break; | ||
| 425 | // These can't be used as input actions and should be prevented by | ||
| 426 | // the validity checks in cmd_exec(): | ||
| 427 | ✗ | case EXEC_TAG: | |
| 428 | case EXEC_TAG_A: | ||
| 429 | case EXEC_TAG_B: | ||
| 430 | case EXEC_TAG_C: | ||
| 431 | case EXEC_ECHO: | ||
| 432 | case EXEC_EVAL: | ||
| 433 | case EXEC_ERRMSG: | ||
| 434 | case EXEC_INVALID: | ||
| 435 | default: | ||
| 436 | − | BUG("unhandled action"); | |
| 437 | return -1; | ||
| 438 | } | ||
| 439 | |||
| 440 | // This could be left uninitialized, but doing so makes some old compilers | ||
| 441 | // produce false-positive "-Wmaybe-uninitialized" warnings | ||
| 442 | 15 | SelectionInfo info = {.si = view->cursor}; | |
| 443 | |||
| 444 |
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15 | if (view->selection && (input_from_buffer || output_to_buffer)) { |
| 445 | ✗ | info = init_selection(view); | |
| 446 | ✗ | view->cursor = info.si; | |
| 447 | ✗ | if (input_from_buffer) { | |
| 448 | ✗ | ctx.input.length = info.eo - info.so; | |
| 449 | } | ||
| 450 | } | ||
| 451 | |||
| 452 |
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15 | if (input_from_buffer) { |
| 453 | 3 | alloc = block_iter_get_bytes(&view->cursor, ctx.input.length); | |
| 454 | 3 | ctx.input.data = alloc; | |
| 455 | } | ||
| 456 | |||
| 457 | 15 | yield_terminal(e, quiet); | |
| 458 | 15 | int err = spawn(&ctx); | |
| 459 | 15 | xclose(prog_fd); | |
| 460 |
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15 | bool prompt = (err >= 0) && (exec_flags & EXECFLAG_PROMPT); |
| 461 | 15 | resume_terminal(e, quiet, prompt); | |
| 462 | 15 | free(alloc); | |
| 463 | |||
| 464 |
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15 | if (err != 0) { |
| 465 | 4 | show_spawn_error_msg(&e->err, &ctx.outputs[1], err); | |
| 466 | 4 | string_free(&ctx.outputs[0]); | |
| 467 | 4 | string_free(&ctx.outputs[1]); | |
| 468 | 4 | view->cursor = saved_cursor; | |
| 469 | 4 | return -1; | |
| 470 | } | ||
| 471 | |||
| 472 | 11 | string_free(&ctx.outputs[1]); | |
| 473 | 11 | String *output = &ctx.outputs[0]; | |
| 474 | 11 | bool strip_trailing_newline = (exec_flags & EXECFLAG_STRIP_NL); | |
| 475 | 11 | if ( | |
| 476 | strip_trailing_newline | ||
| 477 |
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11 | && output_to_buffer |
| 478 | ✗ | && output->len > 0 | |
| 479 | ✗ | && output->buffer[output->len - 1] == '\n' | |
| 480 | ) { | ||
| 481 | ✗ | output->len--; | |
| 482 | ✗ | if (output->len > 0 && output->buffer[output->len - 1] == '\r') { | |
| 483 | ✗ | output->len--; | |
| 484 | } | ||
| 485 | } | ||
| 486 | |||
| 487 |
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11 | if (!output_to_buffer) { |
| 488 | 6 | view->cursor = saved_cursor; | |
| 489 | 6 | view->sel_so = saved_sel_so; | |
| 490 | 6 | view->sel_eo = saved_sel_eo; | |
| 491 | 6 | mark_all_lines_changed(view->buffer); | |
| 492 | } | ||
| 493 | |||
| 494 | 11 | ExecAction out_action = actions[STDOUT_FILENO]; | |
| 495 |
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11 | switch (out_action) { |
| 496 | 5 | case EXEC_BUFFER: | |
| 497 |
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5 | if (view->selection) { |
| 498 | ✗ | insert_to_selection(view, output, &info); | |
| 499 | } else { | ||
| 500 |
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5 | size_t del_count = replace_unselected_input ? ctx.input.length : 0; |
| 501 | 5 | buffer_replace_bytes(view, del_count, output->buffer, output->len); | |
| 502 | } | ||
| 503 | break; | ||
| 504 | ✗ | case EXEC_ECHO: | |
| 505 | ✗ | if (output->len) { | |
| 506 | ✗ | size_t pos = 0; | |
| 507 | ✗ | StringView line = buf_slice_next_line(output->buffer, &pos, output->len); | |
| 508 | ✗ | info_msg(&e->err, "%.*s", (int)line.length, line.data); | |
| 509 | } | ||
| 510 | break; | ||
| 511 | ✗ | case EXEC_MSG: | |
| 512 | case EXEC_MSG_A: | ||
| 513 | case EXEC_MSG_B: | ||
| 514 | case EXEC_MSG_C: | ||
| 515 | ✗ | parse_and_activate_message(e, output, out_action); | |
| 516 | ✗ | break; | |
| 517 | ✗ | case EXEC_OPEN: | |
| 518 | ✗ | open_files_from_string(e, output); | |
| 519 | ✗ | break; | |
| 520 | ✗ | case EXEC_TAG: | |
| 521 | case EXEC_TAG_A: | ||
| 522 | case EXEC_TAG_B: | ||
| 523 | case EXEC_TAG_C: | ||
| 524 | ✗ | parse_and_activate_tags(e, output, out_action); | |
| 525 | ✗ | break; | |
| 526 | ✗ | case EXEC_EVAL: | |
| 527 | ✗ | exec_normal_config(e, strview_from_string(output)); | |
| 528 | ✗ | break; | |
| 529 | case EXEC_NULL: | ||
| 530 | case EXEC_TTY: | ||
| 531 | break; | ||
| 532 | // These can't be used as output actions | ||
| 533 | ✗ | case EXEC_COMMAND: | |
| 534 | case EXEC_ERRMSG: | ||
| 535 | case EXEC_LINE: | ||
| 536 | case EXEC_OPEN_REL: | ||
| 537 | case EXEC_SEARCH: | ||
| 538 | case EXEC_WORD: | ||
| 539 | case EXEC_INVALID: | ||
| 540 | default: | ||
| 541 | − | BUG("unhandled action"); | |
| 542 | return -1; | ||
| 543 | } | ||
| 544 | |||
| 545 | 11 | size_t output_len = output->len; | |
| 546 | 11 | string_free(output); | |
| 547 | 11 | return output_len; | |
| 548 | } | ||
| 549 | |||
| 550 | 15 | void yield_terminal(EditorState *e, bool quiet) | |
| 551 | { | ||
| 552 |
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15 | if (e->flags & EFLAG_HEADLESS) { |
| 553 | return; | ||
| 554 | } | ||
| 555 | |||
| 556 | ✗ | if (quiet) { | |
| 557 | ✗ | term_raw_isig(); | |
| 558 | } else { | ||
| 559 | ✗ | e->child_controls_terminal = true; | |
| 560 | ✗ | ui_end(e, false); | |
| 561 | ✗ | term_cooked(); | |
| 562 | } | ||
| 563 | } | ||
| 564 | |||
| 565 | 15 | void resume_terminal(EditorState *e, bool quiet, bool prompt) | |
| 566 | { | ||
| 567 |
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15 | if (e->flags & EFLAG_HEADLESS) { |
| 568 | return; | ||
| 569 | } | ||
| 570 | |||
| 571 | ✗ | term_raw(); | |
| 572 | ✗ | if (!quiet && e->child_controls_terminal) { | |
| 573 | ✗ | if (prompt) { | |
| 574 | ✗ | any_key(&e->terminal, e->options.esc_timeout); | |
| 575 | } | ||
| 576 | ✗ | ui_start(e); | |
| 577 | ✗ | e->child_controls_terminal = false; | |
| 578 | } | ||
| 579 | } | ||
| 580 |