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Cleanup refactoring in main

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This commit is contained in:
Mitchell Rosen
2014-02-21 19:55:12 -08:00
committed by Thiago de Arruda
parent b17e52a9e4
commit 6ab8968685
1 changed files with 175 additions and 88 deletions
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263
src/main.c
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@@ -71,6 +71,15 @@ static void init_locale __ARGS((void));
# endif
static void parse_command_name __ARGS((mparm_T *parmp));
static void command_line_scan __ARGS((mparm_T *parmp));
static void init_params __ARGS((mparm_T *parmp, int argc, char **argv));
static void init_startuptime __ARGS((mparm_T *parmp));
static void allocate_generic_buffers __ARGS((void));
static void check_and_set_isatty __ARGS((mparm_T *parmp));
static char_u* get_fname __ARGS((mparm_T *parmp));
static void set_window_layout __ARGS((mparm_T *parmp));
static void load_plugins __ARGS((void));
static void handle_quickfix __ARGS((mparm_T *parmp));
static void handle_tag __ARGS((char_u *tagname));
static void check_tty __ARGS((mparm_T *parmp));
static void read_stdin __ARGS((void));
static void create_windows __ARGS((mparm_T *parmp));
@@ -113,10 +122,6 @@ main(argc, argv)
char_u *fname = NULL; /* file name from command line */
mparm_T params; /* various parameters passed between
* main() and other functions. */
#ifdef STARTUPTIME
int i;
#endif
/*
* Do any system-specific initialisations. These can NOT use IObuff or
* NameBuff. Thus emsg2() cannot be called!
@@ -126,30 +131,13 @@ main(argc, argv)
/* Many variables are in "params" so that we can pass them to invoked
* functions without a lot of arguments. "argc" and "argv" are also
* copied, so that they can be changed. */
vim_memset(&params, 0, sizeof(params));
params.argc = argc;
params.argv = argv;
params.want_full_screen = TRUE;
params.use_debug_break_level = -1;
params.window_count = -1;
init_params(&params, argc, argv);
#ifdef MEM_PROFILE
atexit(vim_mem_profile_dump);
#endif
#ifdef STARTUPTIME
for (i = 1; i < argc; ++i) {
if (STRICMP(argv[i], "--startuptime") == 0 && i + 1 < argc) {
time_fd = mch_fopen(argv[i + 1], "a");
TIME_MSG("--- VIM STARTING ---");
break;
}
}
#endif
starttime = time(NULL);
init_startuptime(&params);
(void)mb_init(); /* init mb_bytelen_tab[] to ones */
eval_init(); /* init global variables */
@@ -165,11 +153,7 @@ main(argc, argv)
* Allocate space for the generic buffers (needed for set_init_1() and
* EMSG2()).
*/
if ((IObuff = alloc(IOSIZE)) == NULL
|| (NameBuff = alloc(MAXPATHL)) == NULL)
mch_exit(0);
TIME_MSG("Allocated generic buffers");
allocate_generic_buffers();
#if defined(HAVE_LOCALE_H) || defined(X_LOCALE)
/*
@@ -178,18 +162,15 @@ main(argc, argv)
* work until set_init_1() has been called!
*/
init_locale();
TIME_MSG("locale set");
#endif
/*
* Check if we have an interactive window.
* On the Amiga: If there is no window, we open one with a newcli command
* (needed for :! to * work). mch_check_win() will also handle the -d or
* -dev argument.
*/
params.stdout_isatty = (mch_check_win(params.argc, params.argv) != FAIL);
TIME_MSG("window checked");
check_and_set_isatty(&params);
/*
* Allocate the first window and buffer.
@@ -227,7 +208,6 @@ main(argc, argv)
* argument list "global_alist".
*/
command_line_scan(&params);
TIME_MSG("parsing arguments");
/*
* On some systems, when we compile with the GUI, we always use it. On Mac
@@ -235,23 +215,8 @@ main(argc, argv)
* :gui.
*/
if (GARGCOUNT > 0) {
#if (!defined(UNIX) && !defined(__EMX__)) || defined(ARCHIE)
/*
* Expand wildcards in file names.
*/
if (!params.literal) {
/* Temporarily add '(' and ')' to 'isfname'. These are valid
* filename characters but are excluded from 'isfname' to make
* "gf" work on a file name in parenthesis (e.g.: see vim.h). */
do_cmdline_cmd((char_u *)":set isf+=(,)");
alist_expand(NULL, 0);
do_cmdline_cmd((char_u *)":set isf&");
}
#endif
fname = alist_name(&GARGLIST[0]);
}
if (GARGCOUNT > 0)
fname = get_fname(&params);
TIME_MSG("expanding arguments");
@@ -342,18 +307,10 @@ main(argc, argv)
* Read all the plugin files.
* Only when compiled with +eval, since most plugins need it.
*/
if (p_lpl) {
source_runtime((char_u *)"plugin/**/*.vim", TRUE);
TIME_MSG("loading plugins");
}
load_plugins();
/* Decide about window layout for diff mode after reading vimrc. */
if (params.diff_mode && params.window_layout == 0) {
if (diffopt_horizontal())
params.window_layout = WIN_HOR; /* use horizontal split */
else
params.window_layout = WIN_VER; /* use vertical split */
}
set_window_layout(&params);
/*
* Recovery mode without a file name: List swap files.
@@ -401,17 +358,7 @@ main(argc, argv)
* "-q errorfile": Load the error file now.
* If the error file can't be read, exit before doing anything else.
*/
if (params.edit_type == EDIT_QF) {
if (params.use_ef != NULL)
set_string_option_direct((char_u *)"ef", -1,
params.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) {
out_char('\n');
mch_exit(3);
}
TIME_MSG("reading errorfile");
}
handle_quickfix(&params);
/*
* Start putting things on the screen.
@@ -469,8 +416,7 @@ main(argc, argv)
/*
* Don't clear the screen when starting in Ex mode, unless using the GUI.
*/
if (exmode_active
)
if (exmode_active)
must_redraw = CLEAR;
else {
screenclear(); /* clear screen */
@@ -534,21 +480,7 @@ main(argc, argv)
* Need to jump to the tag before executing the '-c command'.
* Makes "vim -c '/return' -t main" work.
*/
if (params.tagname != NULL) {
#if defined(HAS_SWAP_EXISTS_ACTION)
swap_exists_did_quit = FALSE;
#endif
vim_snprintf((char *)IObuff, IOSIZE, "ta %s", params.tagname);
do_cmdline_cmd(IObuff);
TIME_MSG("jumping to tag");
#if defined(HAS_SWAP_EXISTS_ACTION)
/* If the user doesn't want to edit the file then we quit here. */
if (swap_exists_did_quit)
getout(1);
#endif
}
handle_tag(params.tagname);
/* Execute any "+", "-c" and "-S" arguments. */
if (params.n_commands > 0)
@@ -942,6 +874,7 @@ static void init_locale() {
vim_free(p);
textdomain(VIMPACKAGE);
}
TIME_MSG("locale set");
}
#endif
@@ -1500,6 +1433,160 @@ scripterror:
vim_free(p);
}
}
TIME_MSG("parsing arguments");
}
/*
* Many variables are in "params" so that we can pass them to invoked
* functions without a lot of arguments. "argc" and "argv" are also
* copied, so that they can be changed. */
static void init_params(paramp, argc, argv)
mparm_T *paramp;
int argc;
char **argv;
{
vim_memset(paramp, 0, sizeof(*paramp));
paramp->argc = argc;
paramp->argv = argv;
paramp->want_full_screen = TRUE;
paramp->use_debug_break_level = -1;
paramp->window_count = -1;
}
/*
* Initialize global startuptime file if "--startuptime" passed as an argument.
*/
static void init_startuptime(paramp)
mparm_T *paramp;
{
#ifdef STARTUPTIME
int i;
for (i = 1; i < paramp->argc; ++i) {
if (STRICMP(paramp->argv[i], "--startuptime") == 0 && i + 1 < paramp->argc) {
time_fd = mch_fopen(paramp->argv[i + 1], "a");
TIME_MSG("--- VIM STARTING ---");
break;
}
}
#endif
starttime = time(NULL);
}
/*
* Allocate space for the generic buffers (needed for set_init_1() and
* EMSG2()).
*/
static void allocate_generic_buffers()
{
if ((IObuff = alloc(IOSIZE)) == NULL
|| (NameBuff = alloc(MAXPATHL)) == NULL)
mch_exit(0);
TIME_MSG("Allocated generic buffers");
}
/*
* Check if we have an interactive window.
* On the Amiga: If there is no window, we open one with a newcli command
* (needed for :! to * work). mch_check_win() will also handle the -d or
* -dev argument.
*/
static void check_and_set_isatty(paramp)
mparm_T *paramp;
{
paramp->stdout_isatty = (mch_check_win(paramp->argc, paramp->argv) != FAIL);
TIME_MSG("window checked");
}
/*
* Get filename from command line, given that there is one.
*/
static char_u* get_fname(parmp)
mparm_T *parmp;
{
#if (!defined(UNIX) && !defined(__EMX__)) || defined(ARCHIE)
/*
* Expand wildcards in file names.
*/
if (!parmp->literal) {
/* Temporarily add '(' and ')' to 'isfname'. These are valid
* filename characters but are excluded from 'isfname' to make
* "gf" work on a file name in parenthesis (e.g.: see vim.h). */
do_cmdline_cmd((char_u *)":set isf+=(,)");
alist_expand(NULL, 0);
do_cmdline_cmd((char_u *)":set isf&");
}
#endif
return alist_name(&GARGLIST[0]);
}
/*
* Decide about window layout for diff mode after reading vimrc.
*/
static void set_window_layout(paramp)
mparm_T *paramp;
{
if (paramp->diff_mode && paramp->window_layout == 0) {
if (diffopt_horizontal())
paramp->window_layout = WIN_HOR; /* use horizontal split */
else
paramp->window_layout = WIN_VER; /* use vertical split */
}
}
/*
* Read all the plugin files.
* Only when compiled with +eval, since most plugins need it.
*/
static void load_plugins()
{
if (p_lpl) {
source_runtime((char_u *)"plugin/**/*.vim", TRUE);
TIME_MSG("loading plugins");
}
}
/*
* "-q errorfile": Load the error file now.
* If the error file can't be read, exit before doing anything else.
*/
static void handle_quickfix(paramp)
mparm_T *paramp;
{
if (paramp->edit_type == EDIT_QF) {
if (paramp->use_ef != NULL)
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) {
out_char('\n');
mch_exit(3);
}
TIME_MSG("reading errorfile");
}
}
/*
* Need to jump to the tag before executing the '-c command'.
* Makes "vim -c '/return' -t main" work.
*/
static void handle_tag(tagname)
char_u *tagname;
{
if (tagname != NULL) {
#if defined(HAS_SWAP_EXISTS_ACTION)
swap_exists_did_quit = FALSE;
#endif
vim_snprintf((char *)IObuff, IOSIZE, "ta %s", tagname);
do_cmdline_cmd(IObuff);
TIME_MSG("jumping to tag");
#if defined(HAS_SWAP_EXISTS_ACTION)
/* If the user doesn't want to edit the file then we quit here. */
if (swap_exists_did_quit)
getout(1);
#endif
}
}
/*