diff options
Diffstat (limited to 'src/nvim/main.c')
| -rw-r--r-- | src/nvim/main.c | 306 |
1 files changed, 194 insertions, 112 deletions
diff --git a/src/nvim/main.c b/src/nvim/main.c index c7a60d07c1..024c56dd05 100644 --- a/src/nvim/main.c +++ b/src/nvim/main.c @@ -1,9 +1,17 @@ +// This is an open source non-commercial project. Dear PVS-Studio, please check +// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + #define EXTERN #include <assert.h> #include <stdint.h> #include <string.h> #include <stdbool.h> +#ifdef WIN32 +# include <wchar.h> +# include <winnls.h> +#endif + #include <msgpack.h> #include "nvim/ascii.h" @@ -54,6 +62,7 @@ #include "nvim/os/input.h" #include "nvim/os/os.h" #include "nvim/os/time.h" +#include "nvim/os/fileio.h" #include "nvim/event/loop.h" #include "nvim/os/signal.h" #include "nvim/event/process.h" @@ -94,10 +103,8 @@ typedef struct { bool input_isatty; // stdin is a terminal bool output_isatty; // stdout is a terminal bool err_isatty; // stderr is a terminal - bool headless; // Dont try to start an user interface - // or read/write to stdio(unless - // embedding) - int no_swap_file; /* "-n" argument used */ + bool headless; // Do not start the builtin UI. + int no_swap_file; // "-n" argument used int use_debug_break_level; int window_count; /* number of windows to use */ int window_layout; /* 0, WIN_HOR, WIN_VER or WIN_TABS */ @@ -121,7 +128,7 @@ typedef struct { Loop main_loop; -static char *argv0; +static char *argv0 = NULL; // Error messages static const char *err_arg_missing = N_("Argument missing after"); @@ -150,10 +157,11 @@ void event_init(void) terminal_init(); } -void event_teardown(void) +/// @returns false if main_loop could not be closed gracefully +bool event_teardown(void) { if (!main_loop.events) { - return; + return true; } multiqueue_process_events(main_loop.events); @@ -165,7 +173,7 @@ void event_teardown(void) signal_teardown(); terminal_teardown(); - loop_close(&main_loop, true); + return loop_close(&main_loop, true); } /// Performs early initialization. @@ -176,11 +184,9 @@ void early_init(void) log_init(); fs_init(); handle_init(); - eval_init(); // init global variables - - // Init the table of Normal mode commands. - init_normal_cmds(); + init_path(argv0 ? argv0 : "nvim"); + init_normal_cmds(); // Init the table of Normal mode commands. #if defined(HAVE_LOCALE_H) // Setup to use the current locale (for ctype() and many other things). @@ -214,11 +220,23 @@ void early_init(void) #ifdef MAKE_LIB int nvim_main(int argc, char **argv) +#elif defined(WIN32) +int wmain(int argc, wchar_t **argv_w) // multibyte args on Windows. #7060 #else int main(int argc, char **argv) #endif { - argv0 = (char *)path_tail((char_u *)argv[0]); +#if defined(WIN32) && !defined(MAKE_LIB) + char *argv[argc]; + for (int i = 0; i < argc; i++) { + char *buf = NULL; + utf16_to_utf8(argv_w[i], &buf); + assert(buf); + argv[i] = buf; + } +#endif + + argv0 = argv[0]; char_u *fname = NULL; // file name from command line mparm_T params; // various parameters passed between @@ -238,10 +256,6 @@ int main(int argc, char **argv) // Check if we have an interactive window. check_and_set_isatty(¶ms); - // Get the name with which Nvim was invoked, with and without path. - set_vim_var_string(VV_PROGPATH, argv[0], -1); - set_vim_var_string(VV_PROGNAME, (char *) path_tail((char_u *) argv[0]), -1); - event_init(); /* * Process the command line arguments. File names are put in the global @@ -285,7 +299,7 @@ int main(int argc, char **argv) cmdline_row = (int)(Rows - p_ch); msg_row = cmdline_row; screenalloc(false); /* allocate screen buffers */ - set_init_2(); + set_init_2(params.headless); TIME_MSG("inits 2"); msg_scroll = TRUE; @@ -328,6 +342,12 @@ int main(int argc, char **argv) do_cmdline_cmd("augroup END"); #undef PROTO + // Reset 'loadplugins' for "-u NONE" before "--cmd" arguments. + // Allows for setting 'loadplugins' there. + if (params.use_vimrc != NULL && strcmp(params.use_vimrc, "NONE") == 0) { + p_lpl = false; + } + /* Execute --cmd arguments. */ exe_pre_commands(¶ms); @@ -387,9 +407,10 @@ int main(int argc, char **argv) shada_read_everything(NULL, false, true); TIME_MSG("reading ShaDa"); } - /* It's better to make v:oldfiles an empty list than NULL. */ - if (get_vim_var_list(VV_OLDFILES) == NULL) - set_vim_var_list(VV_OLDFILES, list_alloc()); + // It's better to make v:oldfiles an empty list than NULL. + if (get_vim_var_list(VV_OLDFILES) == NULL) { + set_vim_var_list(VV_OLDFILES, tv_list_alloc()); + } /* * "-q errorfile": Load the error file now. @@ -515,6 +536,12 @@ int main(int argc, char **argv) apply_autocmds(EVENT_VIMENTER, NULL, NULL, false, curbuf); TIME_MSG("VimEnter autocommands"); + // Adjust default register name for "unnamed" in 'clipboard'. Can only be + // done after the clipboard is available and all initial commands that may + // modify the 'clipboard' setting have run; i.e. just before entering the + // main loop. + set_reg_var(get_default_register_name()); + /* When a startup script or session file setup for diff'ing and * scrollbind, sync the scrollbind now. */ if (curwin->w_p_diff && curwin->w_p_scb) { @@ -578,9 +605,9 @@ void getout(int exitval) buf_T *buf = wp->w_buffer; if (buf->b_changedtick != -1) { apply_autocmds(EVENT_BUFWINLEAVE, buf->b_fname, - buf->b_fname, FALSE, buf); - buf->b_changedtick = -1; /* note that we did it already */ - /* start all over, autocommands may mess up the lists */ + buf->b_fname, false, buf); + buf_set_changedtick(buf, -1); // note that we did it already + // start all over, autocommands may mess up the lists next_tp = first_tabpage; break; } @@ -590,10 +617,13 @@ void getout(int exitval) /* Trigger BufUnload for buffers that are loaded */ FOR_ALL_BUFFERS(buf) { if (buf->b_ml.ml_mfp != NULL) { - apply_autocmds(EVENT_BUFUNLOAD, buf->b_fname, buf->b_fname, - FALSE, buf); - if (!buf_valid(buf)) /* autocmd may delete the buffer */ + bufref_T bufref; + set_bufref(&bufref, buf); + apply_autocmds(EVENT_BUFUNLOAD, buf->b_fname, buf->b_fname, false, buf); + if (!bufref_valid(&bufref)) { + // Autocmd deleted the buffer. break; + } } } apply_autocmds(EVENT_VIMLEAVEPRE, NULL, NULL, FALSE, curbuf); @@ -623,8 +653,9 @@ void getout(int exitval) iconv_end(); #endif cs_end(); - if (garbage_collect_at_exit) - garbage_collect(); + if (garbage_collect_at_exit) { + garbage_collect(false); + } mch_exit(exitval); } @@ -642,8 +673,9 @@ void getout(int exitval) /// /// @return argument's numeric value otherwise static int get_number_arg(const char *p, int *idx, int def) + FUNC_ATTR_NONNULL_ALL FUNC_ATTR_WARN_UNUSED_RESULT { - if (ascii_isdigit(p[*idx])) { + if (ascii_isdigit(p[*idx])) { // -V522 def = atoi(&(p[*idx])); while (ascii_isdigit(p[*idx])) { *idx = *idx + 1; @@ -750,16 +782,26 @@ static void command_line_scan(mparm_T *parmp) version(); mch_exit(0); } else if (STRICMP(argv[0] + argv_idx, "api-info") == 0) { - msgpack_sbuffer* b = msgpack_sbuffer_new(); - msgpack_packer* p = msgpack_packer_new(b, msgpack_sbuffer_write); - Object md = DICTIONARY_OBJ(api_metadata()); - msgpack_rpc_from_object(md, p); + FileDescriptor fp; + const int fof_ret = file_open_fd(&fp, OS_STDOUT_FILENO, true); + msgpack_packer *p = msgpack_packer_new(&fp, msgpack_file_write); + + if (fof_ret != 0) { + emsgf(_("E5421: Failed to open stdin: %s"), os_strerror(fof_ret)); + } - for (size_t i = 0; i < b->size; i++) { - putchar(b->data[i]); + if (p == NULL) { + emsgf(_(e_outofmem)); } + Object md = DICTIONARY_OBJ(api_metadata()); + msgpack_rpc_from_object(md, p); + msgpack_packer_free(p); + const int ff_ret = file_flush(&fp); + if (ff_ret < 0) { + msgpack_file_write_error(ff_ret); + } mch_exit(0); } else if (STRICMP(argv[0] + argv_idx, "headless") == 0) { parmp->headless = true; @@ -788,17 +830,18 @@ static void command_line_scan(mparm_T *parmp) argv_idx = -1; /* skip to next argument */ break; - case 'A': /* "-A" start in Arabic mode */ - set_option_value((char_u *)"arabic", 1L, NULL, 0); + case 'A': { // "-A" start in Arabic mode. + set_option_value("arabic", 1L, NULL, 0); break; - - case 'b': /* "-b" binary mode */ - /* Needs to be effective before expanding file names, because - * for Win32 this makes us edit a shortcut file itself, - * instead of the file it links to. */ + } + case 'b': { // "-b" binary mode. + // Needs to be effective before expanding file names, because + // for Win32 this makes us edit a shortcut file itself, + // instead of the file it links to. set_options_bin(curbuf->b_p_bin, 1, 0); - curbuf->b_p_bin = 1; /* binary file I/O */ + curbuf->b_p_bin = 1; // Binary file I/O. break; + } case 'e': /* "-e" Ex mode */ exmode_active = EXMODE_NORMAL; @@ -815,24 +858,27 @@ static void command_line_scan(mparm_T *parmp) main_start_gui(); break; - case 'F': /* "-F" start in Farsi mode: rl + fkmap set */ - p_fkmap = TRUE; - set_option_value((char_u *)"rl", 1L, NULL, 0); + case 'F': { // "-F" start in Farsi mode: rl + fkmap set. + p_fkmap = true; + set_option_value("rl", 1L, NULL, 0); break; + } case 'h': /* "-h" give help message */ usage(); mch_exit(0); - case 'H': /* "-H" start in Hebrew mode: rl + hkmap set */ - p_hkmap = TRUE; - set_option_value((char_u *)"rl", 1L, NULL, 0); + case 'H': { // "-H" start in Hebrew mode: rl + hkmap set. + p_hkmap = true; + set_option_value("rl", 1L, NULL, 0); break; + } - case 'l': /* "-l" lisp mode, 'lisp' and 'showmatch' on */ - set_option_value((char_u *)"lisp", 1L, NULL, 0); - p_sm = TRUE; + case 'l': { // "-l" lisp mode, 'lisp' and 'showmatch' on. + set_option_value("lisp", 1L, NULL, 0); + p_sm = true; break; + } case 'M': /* "-M" no changes or writing of files */ reset_modifiable(); @@ -901,10 +947,11 @@ static void command_line_scan(mparm_T *parmp) break; case 's': - if (exmode_active) /* "-s" silent (batch) mode */ - silent_mode = TRUE; - else /* "-s {scriptin}" read from script file */ - want_argument = TRUE; + if (exmode_active) { // "-es" silent (batch) mode + silent_mode = true; + } else { // "-s {scriptin}" read from script file + want_argument = true; + } break; case 't': /* "-t {tag}" or "-t{tag}" jump to tag */ @@ -931,8 +978,7 @@ static void command_line_scan(mparm_T *parmp) /* default is 10: a little bit verbose */ p_verbose = get_number_arg(argv[0], &argv_idx, 10); if (argv[0][argv_idx] != NUL) { - set_option_value((char_u *)"verbosefile", 0L, - (char_u *)argv[0] + argv_idx, 0); + set_option_value("verbosefile", 0L, argv[0] + argv_idx, 0); argv_idx = (int)STRLEN(argv[0]); } break; @@ -941,7 +987,7 @@ static void command_line_scan(mparm_T *parmp) /* "-w {scriptout}" write to script */ if (ascii_isdigit(((char_u *)argv[0])[argv_idx])) { n = get_number_arg(argv[0], &argv_idx, 10); - set_option_value((char_u *)"window", n, NULL, 0); + set_option_value("window", n, NULL, 0); break; } want_argument = TRUE; @@ -1073,7 +1119,7 @@ scripterror: if (ascii_isdigit(*((char_u *)argv[0]))) { argv_idx = 0; n = get_number_arg(argv[0], &argv_idx, 10); - set_option_value((char_u *)"window", n, NULL, 0); + set_option_value("window", n, NULL, 0); argv_idx = -1; break; } @@ -1194,9 +1240,29 @@ static void check_and_set_isatty(mparm_T *paramp) paramp->err_isatty = os_isatty(fileno(stderr)); TIME_MSG("window checked"); } -/* - * Get filename from command line, given that there is one. - */ + +// Sets v:progname and v:progpath. Also modifies $PATH on Windows. +static void init_path(const char *exename) + FUNC_ATTR_NONNULL_ALL +{ + char exepath[MAXPATHL] = { 0 }; + size_t exepathlen = MAXPATHL; + // Make v:progpath absolute. + if (os_exepath(exepath, &exepathlen) != 0) { + // Fall back to argv[0]. Missing procfs? #6734 + path_guess_exepath(exename, exepath, sizeof(exepath)); + } + set_vim_var_string(VV_PROGPATH, exepath, -1); + set_vim_var_string(VV_PROGNAME, (char *)path_tail((char_u *)exename), -1); + +#ifdef WIN32 + // Append the process start directory to $PATH, so that ":!foo" finds tools + // shipped with Windows package. This also mimics SearchPath(). + os_setenv_append_path(exepath); +#endif +} + +/// Get filename from command line, if any. static char_u *get_fname(mparm_T *parmp, char_u *cwd) { #if !defined(UNIX) @@ -1242,11 +1308,33 @@ static void set_window_layout(mparm_T *paramp) static void load_plugins(void) { if (p_lpl) { - source_runtime((char_u *)"plugin/**/*.vim", DIP_ALL); // NOLINT + char_u *rtp_copy = NULL; + + // First add all package directories to 'runtimepath', so that their + // autoload directories can be found. Only if not done already with a + // :packloadall command. + // Make a copy of 'runtimepath', so that source_runtime does not use the + // pack directories. + if (!did_source_packages) { + rtp_copy = vim_strsave(p_rtp); + add_pack_start_dirs(); + } + + source_in_path(rtp_copy == NULL ? p_rtp : rtp_copy, + (char_u *)"plugin/**/*.vim", // NOLINT + DIP_ALL | DIP_NOAFTER); TIME_MSG("loading plugins"); + xfree(rtp_copy); - ex_packloadall(NULL); + // Only source "start" packages if not done already with a :packloadall + // command. + if (!did_source_packages) { + load_start_packages(); + } TIME_MSG("loading packages"); + + source_runtime((char_u *)"plugin/**/*.vim", DIP_ALL | DIP_AFTER); + TIME_MSG("loading after plugins"); } } @@ -1261,8 +1349,8 @@ static void handle_quickfix(mparm_T *paramp) set_string_option_direct((char_u *)"ef", -1, paramp->use_ef, OPT_FREE, SID_CARG); vim_snprintf((char *)IObuff, IOSIZE, "cfile %s", p_ef); - if (qf_init(NULL, p_ef, p_efm, TRUE, IObuff) < 0) { - ui_putc('\n'); + if (qf_init(NULL, p_ef, p_efm, true, IObuff) < 0) { + ui_linefeed(); mch_exit(3); } TIME_MSG("reading errorfile"); @@ -1642,7 +1730,7 @@ static bool do_user_initialization(void) do { const char *dir; size_t dir_len; - iter = vim_colon_env_iter(config_dirs, iter, &dir, &dir_len); + iter = vim_env_iter(':', config_dirs, iter, &dir, &dir_len); if (dir == NULL || dir_len == 0) { break; } @@ -1682,8 +1770,6 @@ static void source_startup_scripts(const mparm_T *const parmp) if (parmp->use_vimrc != NULL) { if (strcmp(parmp->use_vimrc, "NONE") == 0 || strcmp(parmp->use_vimrc, "NORC") == 0) { - if (parmp->use_vimrc[2] == 'N') - p_lpl = false; // don't load plugins either } else { if (do_source((char_u *)parmp->use_vimrc, FALSE, DOSO_NONE) != OK) EMSG2(_("E282: Cannot read from \"%s\""), parmp->use_vimrc); @@ -1775,6 +1861,7 @@ static int process_env(char *env, bool is_viminit) /// os_fileinfo_link() respectively for extra security. static bool file_owned(const char *fname) { + assert(fname != NULL); uid_t uid = getuid(); FileInfo file_info; bool file_owned = os_fileinfo(fname, &file_info) @@ -1793,9 +1880,11 @@ static bool file_owned(const char *fname) /// @param str string to append to the primary error message, or NULL static void mainerr(const char *errstr, const char *str) { + char *prgname = (char *)path_tail((char_u *)argv0); + signal_stop(); // kill us with CTRL-C here, if you like - mch_errmsg(argv0); + mch_errmsg(prgname); mch_errmsg(": "); mch_errmsg(_(errstr)); if (str != NULL) { @@ -1804,7 +1893,7 @@ static void mainerr(const char *errstr, const char *str) mch_errmsg("\""); } mch_errmsg(_("\nMore info with \"")); - mch_errmsg(argv0); + mch_errmsg(prgname); mch_errmsg(" -h\"\n"); mch_exit(1); @@ -1825,54 +1914,47 @@ static void usage(void) signal_stop(); // kill us with CTRL-C here, if you like mch_msg(_("Usage:\n")); - mch_msg(_(" nvim [arguments] [file ...] Edit specified file(s)\n")); - mch_msg(_(" nvim [arguments] - Read text from stdin\n")); - mch_msg(_(" nvim [arguments] -t <tag> Edit file where tag is defined\n")); - mch_msg(_(" nvim [arguments] -q [errorfile] Edit file with first error\n")); - mch_msg(_("\nArguments:\n")); + mch_msg(_(" nvim [options] [file ...] Edit file(s)\n")); + mch_msg(_(" nvim [options] - Read text from stdin\n")); + mch_msg(_(" nvim [options] -t <tag> Edit file where tag is defined\n")); + mch_msg(_(" nvim [options] -q [errorfile] Edit file with first error\n")); + mch_msg(_("\nOptions:\n")); mch_msg(_(" -- Only file names after this\n")); -#if !defined(UNIX) - mch_msg(_(" --literal Don't expand wildcards\n")); -#endif - mch_msg(_(" -e Ex mode\n")); - mch_msg(_(" -E Improved Ex mode\n")); - mch_msg(_(" -s Silent (batch) mode (only for ex mode)\n")); + mch_msg(_(" + Start at end of file\n")); + mch_msg(_(" --cmd <cmd> Execute <cmd> before any config\n")); + mch_msg(_(" +<cmd>, -c <cmd> Execute <cmd> after config and first file\n")); + mch_msg("\n"); + mch_msg(_(" -b Binary mode\n")); mch_msg(_(" -d Diff mode\n")); - mch_msg(_(" -R Read-only mode\n")); - mch_msg(_(" -Z Restricted mode\n")); + mch_msg(_(" -e, -E Ex mode, Improved Ex mode\n")); + mch_msg(_(" -es Silent (batch) mode\n")); + mch_msg(_(" -h, --help Print this help message\n")); + mch_msg(_(" -i <shada> Use this shada file\n")); mch_msg(_(" -m Modifications (writing files) not allowed\n")); mch_msg(_(" -M Modifications in text not allowed\n")); - mch_msg(_(" -b Binary mode\n")); - mch_msg(_(" -l Lisp mode\n")); - mch_msg(_(" -A Arabic mode\n")); - mch_msg(_(" -F Farsi mode\n")); - mch_msg(_(" -H Hebrew mode\n")); - mch_msg(_(" -V[N][file] Be verbose [level N][log messages to file]\n")); - mch_msg(_(" -D Debugging mode\n")); mch_msg(_(" -n No swap file, use memory only\n")); - mch_msg(_(" -r, -L List swap files and exit\n")); - mch_msg(_(" -r <file> Recover crashed session\n")); - mch_msg(_(" -u <vimrc> Use <vimrc> instead of the default\n")); - mch_msg(_(" -i <shada> Use <shada> instead of the default\n")); - mch_msg(_(" --noplugin Don't load plugin scripts\n")); - mch_msg(_(" -o[N] Open N windows (default: one for each file)\n")); - mch_msg(_(" -O[N] Like -o but split vertically\n")); - mch_msg(_(" -p[N] Open N tab pages (default: one for each file)\n")); - mch_msg(_(" + Start at end of file\n")); - mch_msg(_(" +<linenum> Start at line <linenum>\n")); - mch_msg(_(" +/<pattern> Start at first occurrence of <pattern>\n")); - mch_msg(_(" --cmd <command> Execute <command> before loading any vimrc\n")); - mch_msg(_(" -c <command> Execute <command> after loading the first file\n")); + mch_msg(_(" -o[N] Open N windows (default: one per file)\n")); + mch_msg(_(" -O[N] Open N vertical windows (default: one per file)\n")); + mch_msg(_(" -p[N] Open N tab pages (default: one per file)\n")); + mch_msg(_(" -r, -L List swap files\n")); + mch_msg(_(" -r <file> Recover edit state for this file\n")); + mch_msg(_(" -R Read-only mode\n")); mch_msg(_(" -S <session> Source <session> after loading the first file\n")); mch_msg(_(" -s <scriptin> Read Normal mode commands from <scriptin>\n")); - mch_msg(_(" -w <scriptout> Append all typed characters to <scriptout>\n")); - mch_msg(_(" -W <scriptout> Write all typed characters to <scriptout>\n")); - mch_msg(_(" --startuptime <file> Write startup timing messages to <file>\n")); - mch_msg(_(" --api-info Dump API metadata serialized to msgpack and exit\n")); + mch_msg(_(" -u <config> Use this config file\n")); + mch_msg(_(" -v, --version Print version information\n")); + mch_msg(_(" -V[N][file] Verbose [level][file]\n")); + mch_msg(_(" -Z Restricted mode\n")); + mch_msg("\n"); + mch_msg(_(" --api-info Write msgpack-encoded API metadata to stdout\n")); mch_msg(_(" --embed Use stdin/stdout as a msgpack-rpc channel\n")); mch_msg(_(" --headless Don't start a user interface\n")); - mch_msg(_(" -v, --version Print version information and exit\n")); - mch_msg(_(" -h, --help Print this help message and exit\n")); +#if !defined(UNIX) + mch_msg(_(" --literal Don't expand wildcards\n")); +#endif + mch_msg(_(" --noplugin Don't load plugins\n")); + mch_msg(_(" --startuptime <file> Write startup timing messages to <file>\n")); + mch_msg(_("\nSee \":help startup-options\" for all options.\n")); } |