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vim-patch:8.2.0674: some source files are too big (#19959)

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Problem:    Some source files are too big.
Solution:   Move text formatting functions to a new file. (Yegappan
            Lakshmanan, closes vim/vim#6021)
11abd09521

Cherry-pick set_can_cindent() from patch 8.1.2062.
Cherry-pick global old_indent from patch 8.2.2127.
This commit is contained in:
zeertzjq
2022-08-26 22:37:20 +08:00
committed by GitHub
parent 2ecb4076df
commit 0b72e23bf1
11 changed files with 1176 additions and 1159 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
src/nvim/change.c
View File

@@ -26,6 +26,7 @@
#include "nvim/plines.h" #include "nvim/plines.h"
#include "nvim/search.h" #include "nvim/search.h"
#include "nvim/state.h" #include "nvim/state.h"
#include "nvim/textformat.h"
#include "nvim/ui.h" #include "nvim/ui.h"
#include "nvim/undo.h" #include "nvim/undo.h"

606
src/nvim/edit.c
View File

@@ -56,6 +56,7 @@
#include "nvim/strings.h" #include "nvim/strings.h"
#include "nvim/syntax.h" #include "nvim/syntax.h"
#include "nvim/terminal.h" #include "nvim/terminal.h"
#include "nvim/textformat.h"
#include "nvim/ui.h" #include "nvim/ui.h"
#include "nvim/undo.h" #include "nvim/undo.h"
#include "nvim/vim.h" #include "nvim/vim.h"
@@ -108,8 +109,6 @@ static int did_restart_edit; // "restart_edit" when calling edit()
static bool can_cindent; // may do cindenting on this line static bool can_cindent; // may do cindenting on this line
static int old_indent = 0; // for ^^D command in insert mode
static int revins_on; // reverse insert mode on static int revins_on; // reverse insert mode on
static int revins_chars; // how much to skip after edit static int revins_chars; // how much to skip after edit
static int revins_legal; // was the last char 'legal'? static int revins_legal; // was the last char 'legal'?
@@ -119,8 +118,6 @@ static bool ins_need_undo; // call u_save() before inserting a
// char. Set when edit() is called. // char. Set when edit() is called.
// after that arrow_used is used. // after that arrow_used is used.
static bool did_add_space = false; // auto_format() added an extra space
// under the cursor
static TriState dont_sync_undo = kFalse; // CTRL-G U prevents syncing undo static TriState dont_sync_undo = kFalse; // CTRL-G U prevents syncing undo
// for the next left/right cursor key // for the next left/right cursor key
@@ -1561,7 +1558,7 @@ void display_dollar(colnr_T col)
* Call this function before moving the cursor from the normal insert position * Call this function before moving the cursor from the normal insert position
* in insert mode. * in insert mode.
*/ */
static void undisplay_dollar(void) void undisplay_dollar(void)
{ {
if (dollar_vcol >= 0) { if (dollar_vcol >= 0) {
dollar_vcol = -1; dollar_vcol = -1;
@@ -2012,9 +2009,6 @@ static void insert_special(int c, int allow_modmask, int ctrlv)
*/ */
#define ISSPECIAL(c) ((c) < ' ' || (c) >= DEL || (c) == '0' || (c) == '^') #define ISSPECIAL(c) ((c) < ' ' || (c) >= DEL || (c) == '0' || (c) == '^')
#define WHITECHAR(cc) (ascii_iswhite(cc) \
&& !utf_iscomposing(utf_ptr2char((char *)get_cursor_pos_ptr() + 1)))
/// ///
/// "flags": INSCHAR_FORMAT - force formatting /// "flags": INSCHAR_FORMAT - force formatting
/// INSCHAR_CTRLV - char typed just after CTRL-V /// INSCHAR_CTRLV - char typed just after CTRL-V
@@ -2213,597 +2207,6 @@ void insertchar(int c, int flags, int second_indent)
} }
} }
/// Format text at the current insert position.
///
/// If the INSCHAR_COM_LIST flag is present, then the value of second_indent
/// will be the comment leader length sent to open_line().
///
/// @param c character to be inserted (can be NUL)
static void internal_format(int textwidth, int second_indent, int flags, int format_only, int c)
{
int cc;
int save_char = NUL;
bool haveto_redraw = false;
const bool fo_ins_blank = has_format_option(FO_INS_BLANK);
const bool fo_multibyte = has_format_option(FO_MBYTE_BREAK);
const bool fo_rigor_tw = has_format_option(FO_RIGOROUS_TW);
const bool fo_white_par = has_format_option(FO_WHITE_PAR);
bool first_line = true;
colnr_T leader_len;
bool no_leader = false;
int do_comments = (flags & INSCHAR_DO_COM);
int has_lbr = curwin->w_p_lbr;
// make sure win_lbr_chartabsize() counts correctly
curwin->w_p_lbr = false;
/*
* When 'ai' is off we don't want a space under the cursor to be
* deleted. Replace it with an 'x' temporarily.
*/
if (!curbuf->b_p_ai
&& !(State & VREPLACE_FLAG)) {
cc = gchar_cursor();
if (ascii_iswhite(cc)) {
save_char = cc;
pchar_cursor('x');
}
}
/*
* Repeat breaking lines, until the current line is not too long.
*/
while (!got_int) {
int startcol; // Cursor column at entry
int wantcol; // column at textwidth border
int foundcol; // column for start of spaces
int end_foundcol = 0; // column for start of word
colnr_T len;
colnr_T virtcol;
int orig_col = 0;
char_u *saved_text = NULL;
colnr_T col;
colnr_T end_col;
bool did_do_comment = false;
virtcol = get_nolist_virtcol()
+ char2cells(c != NUL ? c : gchar_cursor());
if (virtcol <= (colnr_T)textwidth) {
break;
}
if (no_leader) {
do_comments = false;
} else if (!(flags & INSCHAR_FORMAT)
&& has_format_option(FO_WRAP_COMS)) {
do_comments = true;
}
// Don't break until after the comment leader
if (do_comments) {
char_u *line = get_cursor_line_ptr();
leader_len = get_leader_len((char *)line, NULL, false, true);
if (leader_len == 0 && curbuf->b_p_cin) {
// Check for a line comment after code.
int comment_start = check_linecomment(line);
if (comment_start != MAXCOL) {
leader_len = get_leader_len((char *)line + comment_start, NULL, false, true);
if (leader_len != 0) {
leader_len += comment_start;
}
}
}
} else {
leader_len = 0;
}
// If the line doesn't start with a comment leader, then don't
// start one in a following broken line. Avoids that a %word
// moved to the start of the next line causes all following lines
// to start with %.
if (leader_len == 0) {
no_leader = true;
}
if (!(flags & INSCHAR_FORMAT)
&& leader_len == 0
&& !has_format_option(FO_WRAP)) {
break;
}
if ((startcol = curwin->w_cursor.col) == 0) {
break;
}
// find column of textwidth border
coladvance((colnr_T)textwidth);
wantcol = curwin->w_cursor.col;
curwin->w_cursor.col = startcol;
foundcol = 0;
int skip_pos = 0;
/*
* Find position to break at.
* Stop at first entered white when 'formatoptions' has 'v'
*/
while ((!fo_ins_blank && !has_format_option(FO_INS_VI))
|| (flags & INSCHAR_FORMAT)
|| curwin->w_cursor.lnum != Insstart.lnum
|| curwin->w_cursor.col >= Insstart.col) {
if (curwin->w_cursor.col == startcol && c != NUL) {
cc = c;
} else {
cc = gchar_cursor();
}
if (WHITECHAR(cc)) {
// remember position of blank just before text
end_col = curwin->w_cursor.col;
// find start of sequence of blanks
int wcc = 0; // counter for whitespace chars
while (curwin->w_cursor.col > 0 && WHITECHAR(cc)) {
dec_cursor();
cc = gchar_cursor();
// Increment count of how many whitespace chars in this
// group; we only need to know if it's more than one.
if (wcc < 2) {
wcc++;
}
}
if (curwin->w_cursor.col == 0 && WHITECHAR(cc)) {
break; // only spaces in front of text
}
// Don't break after a period when 'formatoptions' has 'p' and
// there are less than two spaces.
if (has_format_option(FO_PERIOD_ABBR) && cc == '.' && wcc < 2) {
continue;
}
// Don't break until after the comment leader
if (curwin->w_cursor.col < leader_len) {
break;
}
if (has_format_option(FO_ONE_LETTER)) {
// do not break after one-letter words
if (curwin->w_cursor.col == 0) {
break; // one-letter word at begin
}
// do not break "#a b" when 'tw' is 2
if (curwin->w_cursor.col <= leader_len) {
break;
}
col = curwin->w_cursor.col;
dec_cursor();
cc = gchar_cursor();
if (WHITECHAR(cc)) {
continue; // one-letter, continue
}
curwin->w_cursor.col = col;
}
inc_cursor();
end_foundcol = end_col + 1;
foundcol = curwin->w_cursor.col;
if (curwin->w_cursor.col <= (colnr_T)wantcol) {
break;
}
} else if ((cc >= 0x100 || !utf_allow_break_before(cc)) && fo_multibyte) {
int ncc;
bool allow_break;
// Break after or before a multi-byte character.
if (curwin->w_cursor.col != startcol) {
// Don't break until after the comment leader
if (curwin->w_cursor.col < leader_len) {
break;
}
col = curwin->w_cursor.col;
inc_cursor();
ncc = gchar_cursor();
allow_break = utf_allow_break(cc, ncc);
// If we have already checked this position, skip!
if (curwin->w_cursor.col != skip_pos && allow_break) {
foundcol = curwin->w_cursor.col;
end_foundcol = foundcol;
if (curwin->w_cursor.col <= (colnr_T)wantcol) {
break;
}
}
curwin->w_cursor.col = col;
}
if (curwin->w_cursor.col == 0) {
break;
}
ncc = cc;
col = curwin->w_cursor.col;
dec_cursor();
cc = gchar_cursor();
if (WHITECHAR(cc)) {
continue; // break with space
}
// Don't break until after the comment leader.
if (curwin->w_cursor.col < leader_len) {
break;
}
curwin->w_cursor.col = col;
skip_pos = curwin->w_cursor.col;
allow_break = utf_allow_break(cc, ncc);
// Must handle this to respect line break prohibition.
if (allow_break) {
foundcol = curwin->w_cursor.col;
end_foundcol = foundcol;
}
if (curwin->w_cursor.col <= (colnr_T)wantcol) {
const bool ncc_allow_break = utf_allow_break_before(ncc);
if (allow_break) {
break;
}
if (!ncc_allow_break && !fo_rigor_tw) {
// Enable at most 1 punct hang outside of textwidth.
if (curwin->w_cursor.col == startcol) {
// We are inserting a non-breakable char, postpone
// line break check to next insert.
end_foundcol = foundcol = 0;
break;
}
// Neither cc nor ncc is NUL if we are here, so
// it's safe to inc_cursor.
col = curwin->w_cursor.col;
inc_cursor();
cc = ncc;
ncc = gchar_cursor();
// handle insert
ncc = (ncc != NUL) ? ncc : c;
allow_break = utf_allow_break(cc, ncc);
if (allow_break) {
// Break only when we are not at end of line.
end_foundcol = foundcol = ncc == NUL? 0 : curwin->w_cursor.col;
break;
}
curwin->w_cursor.col = col;
}
}
}
if (curwin->w_cursor.col == 0) {
break;
}
dec_cursor();
}
if (foundcol == 0) { // no spaces, cannot break line
curwin->w_cursor.col = startcol;
break;
}
// Going to break the line, remove any "$" now.
undisplay_dollar();
// Offset between cursor position and line break is used by replace
// stack functions. MODE_VREPLACE does not use this, and backspaces
// over the text instead.
if (State & VREPLACE_FLAG) {
orig_col = startcol; // Will start backspacing from here
} else {
replace_offset = startcol - end_foundcol;
}
/*
* adjust startcol for spaces that will be deleted and
* characters that will remain on top line
*/
curwin->w_cursor.col = foundcol;
while ((cc = gchar_cursor(), WHITECHAR(cc))
&& (!fo_white_par || curwin->w_cursor.col < startcol)) {
inc_cursor();
}
startcol -= curwin->w_cursor.col;
if (startcol < 0) {
startcol = 0;
}
if (State & VREPLACE_FLAG) {
// In MODE_VREPLACE state, we will backspace over the text to be
// wrapped, so save a copy now to put on the next line.
saved_text = vim_strsave(get_cursor_pos_ptr());
curwin->w_cursor.col = orig_col;
saved_text[startcol] = NUL;
// Backspace over characters that will move to the next line
if (!fo_white_par) {
backspace_until_column(foundcol);
}
} else {
// put cursor after pos. to break line
if (!fo_white_par) {
curwin->w_cursor.col = foundcol;
}
}
/*
* Split the line just before the margin.
* Only insert/delete lines, but don't really redraw the window.
*/
open_line(FORWARD, OPENLINE_DELSPACES + OPENLINE_MARKFIX
+ (fo_white_par ? OPENLINE_KEEPTRAIL : 0)
+ (do_comments ? OPENLINE_DO_COM : 0)
+ OPENLINE_FORMAT
+ ((flags & INSCHAR_COM_LIST) ? OPENLINE_COM_LIST : 0),
((flags & INSCHAR_COM_LIST) ? second_indent : old_indent),
&did_do_comment);
if (!(flags & INSCHAR_COM_LIST)) {
old_indent = 0;
}
// If a comment leader was inserted, may also do this on a following
// line.
if (did_do_comment) {
no_leader = false;
}
replace_offset = 0;
if (first_line) {
if (!(flags & INSCHAR_COM_LIST)) {
// This section is for auto-wrap of numeric lists. When not
// in insert mode (i.e. format_lines()), the INSCHAR_COM_LIST
// flag will be set and open_line() will handle it (as seen
// above). The code here (and in get_number_indent()) will
// recognize comments if needed...
if (second_indent < 0 && has_format_option(FO_Q_NUMBER)) {
second_indent = get_number_indent(curwin->w_cursor.lnum - 1);
}
if (second_indent >= 0) {
if (State & VREPLACE_FLAG) {
change_indent(INDENT_SET, second_indent, false, NUL, true);
} else if (leader_len > 0 && second_indent - leader_len > 0) {
int padding = second_indent - leader_len;
// We started at the first_line of a numbered list
// that has a comment. the open_line() function has
// inserted the proper comment leader and positioned
// the cursor at the end of the split line. Now we
// add the additional whitespace needed after the
// comment leader for the numbered list.
for (int i = 0; i < padding; i++) {
ins_str((char_u *)" ");
}
changed_bytes(curwin->w_cursor.lnum, leader_len);
} else {
(void)set_indent(second_indent, SIN_CHANGED);
}
}
}
first_line = false;
}
if (State & VREPLACE_FLAG) {
// In MODE_VREPLACE state we have backspaced over the text to be
// moved, now we re-insert it into the new line.
ins_bytes((char *)saved_text);
xfree(saved_text);
} else {
/*
* Check if cursor is not past the NUL off the line, cindent
* may have added or removed indent.
*/
curwin->w_cursor.col += startcol;
len = (colnr_T)STRLEN(get_cursor_line_ptr());
if (curwin->w_cursor.col > len) {
curwin->w_cursor.col = len;
}
}
haveto_redraw = true;
can_cindent = true;
// moved the cursor, don't autoindent or cindent now
did_ai = false;
did_si = false;
can_si = false;
can_si_back = false;
line_breakcheck();
}
if (save_char != NUL) { // put back space after cursor
pchar_cursor((char_u)save_char);
}
curwin->w_p_lbr = has_lbr;
if (!format_only && haveto_redraw) {
update_topline(curwin);
redraw_curbuf_later(UPD_VALID);
}
}
/// Called after inserting or deleting text: When 'formatoptions' includes the
/// 'a' flag format from the current line until the end of the paragraph.
/// Keep the cursor at the same position relative to the text.
/// The caller must have saved the cursor line for undo, following ones will be
/// saved here.
///
/// @param trailblank when true also format with trailing blank
/// @param prev_line may start in previous line
void auto_format(bool trailblank, bool prev_line)
{
pos_T pos;
colnr_T len;
char_u *old;
char_u *new, *pnew;
int wasatend;
int cc;
if (!has_format_option(FO_AUTO)) {
return;
}
pos = curwin->w_cursor;
old = get_cursor_line_ptr();
// may remove added space
check_auto_format(false);
// Don't format in Insert mode when the cursor is on a trailing blank, the
// user might insert normal text next. Also skip formatting when "1" is
// in 'formatoptions' and there is a single character before the cursor.
// Otherwise the line would be broken and when typing another non-white
// next they are not joined back together.
wasatend = (pos.col == (colnr_T)STRLEN(old));
if (*old != NUL && !trailblank && wasatend) {
dec_cursor();
cc = gchar_cursor();
if (!WHITECHAR(cc) && curwin->w_cursor.col > 0
&& has_format_option(FO_ONE_LETTER)) {
dec_cursor();
}
cc = gchar_cursor();
if (WHITECHAR(cc)) {
curwin->w_cursor = pos;
return;
}
curwin->w_cursor = pos;
}
// With the 'c' flag in 'formatoptions' and 't' missing: only format
// comments.
if (has_format_option(FO_WRAP_COMS) && !has_format_option(FO_WRAP)
&& get_leader_len((char *)old, NULL, false, true) == 0) {
return;
}
/*
* May start formatting in a previous line, so that after "x" a word is
* moved to the previous line if it fits there now. Only when this is not
* the start of a paragraph.
*/
if (prev_line && !paragraph_start(curwin->w_cursor.lnum)) {
curwin->w_cursor.lnum--;
if (u_save_cursor() == FAIL) {
return;
}
}
/*
* Do the formatting and restore the cursor position. "saved_cursor" will
* be adjusted for the text formatting.
*/
saved_cursor = pos;
format_lines((linenr_T) - 1, false);
curwin->w_cursor = saved_cursor;
saved_cursor.lnum = 0;
if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count) {
// "cannot happen"
curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
coladvance(MAXCOL);
} else {
check_cursor_col();
}
// Insert mode: If the cursor is now after the end of the line while it
// previously wasn't, the line was broken. Because of the rule above we
// need to add a space when 'w' is in 'formatoptions' to keep a paragraph
// formatted.
if (!wasatend && has_format_option(FO_WHITE_PAR)) {
new = get_cursor_line_ptr();
len = (colnr_T)STRLEN(new);
if (curwin->w_cursor.col == len) {
pnew = vim_strnsave(new, (size_t)len + 2);
pnew[len] = ' ';
pnew[len + 1] = NUL;
ml_replace(curwin->w_cursor.lnum, (char *)pnew, false);
// remove the space later
did_add_space = true;
} else {
// may remove added space
check_auto_format(false);
}
}
check_cursor();
}
/// When an extra space was added to continue a paragraph for auto-formatting,
/// delete it now. The space must be under the cursor, just after the insert
/// position.
///
/// @param end_insert true when ending Insert mode
static void check_auto_format(bool end_insert)
{
int c = ' ';
int cc;
if (did_add_space) {
cc = gchar_cursor();
if (!WHITECHAR(cc)) {
// Somehow the space was removed already.
did_add_space = false;
} else {
if (!end_insert) {
inc_cursor();
c = gchar_cursor();
dec_cursor();
}
if (c != NUL) {
// The space is no longer at the end of the line, delete it.
del_char(false);
did_add_space = false;
}
}
}
}
/// Find out textwidth to be used for formatting:
/// if 'textwidth' option is set, use it
/// else if 'wrapmargin' option is set, use curwin->w_width_inner-'wrapmargin'
/// if invalid value, use 0.
/// Set default to window width (maximum 79) for "gq" operator.
///
/// @param ff force formatting (for "gq" command)
int comp_textwidth(bool ff)
{
int textwidth = (int)curbuf->b_p_tw;
if (textwidth == 0 && curbuf->b_p_wm) {
// The width is the window width minus 'wrapmargin' minus all the
// things that add to the margin.
textwidth = curwin->w_width_inner - (int)curbuf->b_p_wm;
if (cmdwin_type != 0) {
textwidth -= 1;
}
textwidth -= win_fdccol_count(curwin);
textwidth -= win_signcol_count(curwin);
if (curwin->w_p_nu || curwin->w_p_rnu) {
textwidth -= 8;
}
}
if (textwidth < 0) {
textwidth = 0;
}
if (ff && textwidth == 0) {
textwidth = curwin->w_width_inner - 1;
if (textwidth > 79) {
textwidth = 79;
}
}
return textwidth;
}
/* /*
* Put a character in the redo buffer, for when just after a CTRL-V. * Put a character in the redo buffer, for when just after a CTRL-V.
*/ */
@@ -5665,6 +5068,11 @@ bool get_can_cindent(void)
return can_cindent; return can_cindent;
} }
void set_can_cindent(bool val)
{
can_cindent = val;
}
/// Trigger "event" and take care of fixing undo. /// Trigger "event" and take care of fixing undo.
int ins_apply_autocmds(event_T event) int ins_apply_autocmds(event_T event)
{ {

28
src/nvim/getchar.c
View File

@@ -623,6 +623,34 @@ void stuffnumReadbuff(long n)
add_num_buff(&readbuf1, n); add_num_buff(&readbuf1, n);
} }
/// Stuff a string into the typeahead buffer, such that edit() will insert it
/// literally ("literally" true) or interpret is as typed characters.
void stuffescaped(const char *arg, bool literally)
{
while (*arg != NUL) {
// Stuff a sequence of normal ASCII characters, that's fast. Also
// stuff K_SPECIAL to get the effect of a special key when "literally"
// is true.
const char *const start = arg;
while ((*arg >= ' ' && *arg < DEL) || ((uint8_t)(*arg) == K_SPECIAL
&& !literally)) {
arg++;
}
if (arg > start) {
stuffReadbuffLen(start, (arg - start));
}
// stuff a single special character
if (*arg != NUL) {
const int c = mb_cptr2char_adv((const char_u **)&arg);
if (literally && ((c < ' ' && c != TAB) || c == DEL)) {
stuffcharReadbuff(Ctrl_V);
}
stuffcharReadbuff(c);
}
}
}
/// Read a character from the redo buffer. Translates K_SPECIAL and /// Read a character from the redo buffer. Translates K_SPECIAL and
/// multibyte characters. /// multibyte characters.
/// The redo buffer is left as it is. /// The redo buffer is left as it is.

2
src/nvim/globals.h
View File

@@ -559,6 +559,8 @@ EXTERN bool can_si INIT(= false);
// one indent will be removed. // one indent will be removed.
EXTERN bool can_si_back INIT(= false); EXTERN bool can_si_back INIT(= false);
EXTERN int old_indent INIT(= 0); ///< for ^^D command in insert mode
// w_cursor before formatting text. // w_cursor before formatting text.
EXTERN pos_T saved_cursor INIT(= { 0, 0, 0 }); EXTERN pos_T saved_cursor INIT(= { 0, 0, 0 });

1
src/nvim/indent.c
View File

@@ -25,6 +25,7 @@
#include "nvim/screen.h" #include "nvim/screen.h"
#include "nvim/search.h" #include "nvim/search.h"
#include "nvim/strings.h" #include "nvim/strings.h"
#include "nvim/textformat.h"
#include "nvim/undo.h" #include "nvim/undo.h"
#ifdef INCLUDE_GENERATED_DECLARATIONS #ifdef INCLUDE_GENERATED_DECLARATIONS

1
src/nvim/insexpand.c
View File

@@ -43,6 +43,7 @@
#include "nvim/state.h" #include "nvim/state.h"
#include "nvim/strings.h" #include "nvim/strings.h"
#include "nvim/tag.h" #include "nvim/tag.h"
#include "nvim/textformat.h"
#include "nvim/ui.h" #include "nvim/ui.h"
#include "nvim/undo.h" #include "nvim/undo.h"
#include "nvim/vim.h" #include "nvim/vim.h"

1
src/nvim/normal.c
View File

@@ -65,6 +65,7 @@
#include "nvim/strings.h" #include "nvim/strings.h"
#include "nvim/syntax.h" #include "nvim/syntax.h"
#include "nvim/tag.h" #include "nvim/tag.h"
#include "nvim/textformat.h"
#include "nvim/ui.h" #include "nvim/ui.h"
#include "nvim/undo.h" #include "nvim/undo.h"
#include "nvim/vim.h" #include "nvim/vim.h"

550
src/nvim/ops.c
View File

@@ -51,6 +51,7 @@
#include "nvim/state.h" #include "nvim/state.h"
#include "nvim/strings.h" #include "nvim/strings.h"
#include "nvim/terminal.h" #include "nvim/terminal.h"
#include "nvim/textformat.h"
#include "nvim/ui.h" #include "nvim/ui.h"
#include "nvim/undo.h" #include "nvim/undo.h"
#include "nvim/vim.h" #include "nvim/vim.h"
@@ -1311,34 +1312,6 @@ int insert_reg(int regname, bool literally_arg)
return retval; return retval;
} }
/// Stuff a string into the typeahead buffer, such that edit() will insert it
/// literally ("literally" true) or interpret is as typed characters.
static void stuffescaped(const char *arg, bool literally)
{
while (*arg != NUL) {
// Stuff a sequence of normal ASCII characters, that's fast. Also
// stuff K_SPECIAL to get the effect of a special key when "literally"
// is true.
const char *const start = arg;
while ((*arg >= ' ' && *arg < DEL) || ((uint8_t)(*arg) == K_SPECIAL
&& !literally)) {
arg++;
}
if (arg > start) {
stuffReadbuffLen(start, (arg - start));
}
// stuff a single special character
if (*arg != NUL) {
const int c = mb_cptr2char_adv((const char_u **)&arg);
if (literally && ((c < ' ' && c != TAB) || c == DEL)) {
stuffcharReadbuff(Ctrl_V);
}
stuffcharReadbuff(c);
}
}
}
/// If "regname" is a special register, return true and store a pointer to its /// If "regname" is a special register, return true and store a pointer to its
/// value in "argp". /// value in "argp".
/// ///
@@ -4218,527 +4191,6 @@ theend:
return ret; return ret;
} }
/// @return true if the two comment leaders given are the same.
///
/// @param lnum The first line. White-space is ignored.
///
/// @note the whole of 'leader1' must match 'leader2_len' characters from 'leader2'.
static int same_leader(linenr_T lnum, int leader1_len, char_u *leader1_flags, int leader2_len,
char_u *leader2_flags)
{
int idx1 = 0, idx2 = 0;
char_u *p;
char_u *line1;
char_u *line2;
if (leader1_len == 0) {
return leader2_len == 0;
}
/*
* If first leader has 'f' flag, the lines can be joined only if the
* second line does not have a leader.
* If first leader has 'e' flag, the lines can never be joined.
* If first leader has 's' flag, the lines can only be joined if there is
* some text after it and the second line has the 'm' flag.
*/
if (leader1_flags != NULL) {
for (p = leader1_flags; *p && *p != ':'; p++) {
if (*p == COM_FIRST) {
return leader2_len == 0;
}
if (*p == COM_END) {
return false;
}
if (*p == COM_START) {
if (*(ml_get(lnum) + leader1_len) == NUL) {
return false;
}
if (leader2_flags == NULL || leader2_len == 0) {
return false;
}
for (p = leader2_flags; *p && *p != ':'; p++) {
if (*p == COM_MIDDLE) {
return true;
}
}
return false;
}
}
}
/*
* Get current line and next line, compare the leaders.
* The first line has to be saved, only one line can be locked at a time.
*/
line1 = vim_strsave(ml_get(lnum));
for (idx1 = 0; ascii_iswhite(line1[idx1]); idx1++) {}
line2 = ml_get(lnum + 1);
for (idx2 = 0; idx2 < leader2_len; idx2++) {
if (!ascii_iswhite(line2[idx2])) {
if (line1[idx1++] != line2[idx2]) {
break;
}
} else {
while (ascii_iswhite(line1[idx1])) {
idx1++;
}
}
}
xfree(line1);
return idx2 == leader2_len && idx1 == leader1_len;
}
/// Implementation of the format operator 'gq'.
///
/// @param keep_cursor keep cursor on same text char
static void op_format(oparg_T *oap, int keep_cursor)
{
linenr_T old_line_count = curbuf->b_ml.ml_line_count;
// Place the cursor where the "gq" or "gw" command was given, so that "u"
// can put it back there.
curwin->w_cursor = oap->cursor_start;
if (u_save((linenr_T)(oap->start.lnum - 1),
(linenr_T)(oap->end.lnum + 1)) == FAIL) {
return;
}
curwin->w_cursor = oap->start;
if (oap->is_VIsual) {
// When there is no change: need to remove the Visual selection
redraw_curbuf_later(UPD_INVERTED);
}
if ((cmdmod.cmod_flags & CMOD_LOCKMARKS) == 0) {
// Set '[ mark at the start of the formatted area
curbuf->b_op_start = oap->start;
}
// For "gw" remember the cursor position and put it back below (adjusted
// for joined and split lines).
if (keep_cursor) {
saved_cursor = oap->cursor_start;
}
format_lines((linenr_T)oap->line_count, keep_cursor);
/*
* Leave the cursor at the first non-blank of the last formatted line.
* If the cursor was moved one line back (e.g. with "Q}") go to the next
* line, so "." will do the next lines.
*/
if (oap->end_adjusted && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count) {
curwin->w_cursor.lnum++;
}
beginline(BL_WHITE | BL_FIX);
old_line_count = curbuf->b_ml.ml_line_count - old_line_count;
msgmore(old_line_count);
if ((cmdmod.cmod_flags & CMOD_LOCKMARKS) == 0) {
// put '] mark on the end of the formatted area
curbuf->b_op_end = curwin->w_cursor;
}
if (keep_cursor) {
curwin->w_cursor = saved_cursor;
saved_cursor.lnum = 0;
// formatting may have made the cursor position invalid
check_cursor();
}
if (oap->is_VIsual) {
FOR_ALL_WINDOWS_IN_TAB(wp, curtab) {
if (wp->w_old_cursor_lnum != 0) {
// When lines have been inserted or deleted, adjust the end of
// the Visual area to be redrawn.
if (wp->w_old_cursor_lnum > wp->w_old_visual_lnum) {
wp->w_old_cursor_lnum += old_line_count;
} else {
wp->w_old_visual_lnum += old_line_count;
}
}
}
}
}
/// Implementation of the format operator 'gq' for when using 'formatexpr'.
static void op_formatexpr(oparg_T *oap)
{
if (oap->is_VIsual) {
// When there is no change: need to remove the Visual selection
redraw_curbuf_later(UPD_INVERTED);
}
if (fex_format(oap->start.lnum, oap->line_count, NUL) != 0) {
// As documented: when 'formatexpr' returns non-zero fall back to
// internal formatting.
op_format(oap, false);
}
}
/// @param c character to be inserted
int fex_format(linenr_T lnum, long count, int c)
{
int use_sandbox = was_set_insecurely(curwin, "formatexpr", OPT_LOCAL);
int r;
// Set v:lnum to the first line number and v:count to the number of lines.
// Set v:char to the character to be inserted (can be NUL).
set_vim_var_nr(VV_LNUM, (varnumber_T)lnum);
set_vim_var_nr(VV_COUNT, (varnumber_T)count);
set_vim_var_char(c);
// Make a copy, the option could be changed while calling it.
char *fex = xstrdup(curbuf->b_p_fex);
// Evaluate the function.
if (use_sandbox) {
sandbox++;
}
r = (int)eval_to_number(fex);
if (use_sandbox) {
sandbox--;
}
set_vim_var_string(VV_CHAR, NULL, -1);
xfree(fex);
return r;
}
/// @param line_count number of lines to format, starting at the cursor position.
/// when negative, format until the end of the paragraph.
///
/// Lines after the cursor line are saved for undo, caller must have saved the
/// first line.
///
/// @param avoid_fex don't use 'formatexpr'
void format_lines(linenr_T line_count, int avoid_fex)
{
bool is_not_par; // current line not part of parag.
bool next_is_not_par; // next line not part of paragraph
bool is_end_par; // at end of paragraph
bool prev_is_end_par = false; // prev. line not part of parag.
bool next_is_start_par = false;
int leader_len = 0; // leader len of current line
int next_leader_len; // leader len of next line
char_u *leader_flags = NULL; // flags for leader of current line
char_u *next_leader_flags = NULL; // flags for leader of next line
bool advance = true;
int second_indent = -1; // indent for second line (comment aware)
bool first_par_line = true;
int smd_save;
long count;
bool need_set_indent = true; // set indent of next paragraph
linenr_T first_line = curwin->w_cursor.lnum;
bool force_format = false;
const int old_State = State;
// length of a line to force formatting: 3 * 'tw'
const int max_len = comp_textwidth(true) * 3;
// check for 'q', '2' and '1' in 'formatoptions'
const bool do_comments = has_format_option(FO_Q_COMS); // format comments
int do_comments_list = 0; // format comments with 'n' or '2'
const bool do_second_indent = has_format_option(FO_Q_SECOND);
const bool do_number_indent = has_format_option(FO_Q_NUMBER);
const bool do_trail_white = has_format_option(FO_WHITE_PAR);
// Get info about the previous and current line.
if (curwin->w_cursor.lnum > 1) {
is_not_par = fmt_check_par(curwin->w_cursor.lnum - 1,
&leader_len, &leader_flags, do_comments);
} else {
is_not_par = true;
}
next_is_not_par = fmt_check_par(curwin->w_cursor.lnum,
&next_leader_len, &next_leader_flags, do_comments
);
is_end_par = (is_not_par || next_is_not_par);
if (!is_end_par && do_trail_white) {
is_end_par = !ends_in_white(curwin->w_cursor.lnum - 1);
}
curwin->w_cursor.lnum--;
for (count = line_count; count != 0 && !got_int; count--) {
// Advance to next paragraph.
if (advance) {
curwin->w_cursor.lnum++;
prev_is_end_par = is_end_par;
is_not_par = next_is_not_par;
leader_len = next_leader_len;
leader_flags = next_leader_flags;
}
/*
* The last line to be formatted.
*/
if (count == 1 || curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count) {
next_is_not_par = true;
next_leader_len = 0;
next_leader_flags = NULL;
} else {
next_is_not_par = fmt_check_par(curwin->w_cursor.lnum + 1,
&next_leader_len, &next_leader_flags, do_comments
);
if (do_number_indent) {
next_is_start_par =
(get_number_indent(curwin->w_cursor.lnum + 1) > 0);
}
}
advance = true;
is_end_par = (is_not_par || next_is_not_par || next_is_start_par);
if (!is_end_par && do_trail_white) {
is_end_par = !ends_in_white(curwin->w_cursor.lnum);
}
/*
* Skip lines that are not in a paragraph.
*/
if (is_not_par) {
if (line_count < 0) {
break;
}
} else {
/*
* For the first line of a paragraph, check indent of second line.
* Don't do this for comments and empty lines.
*/
if (first_par_line
&& (do_second_indent || do_number_indent)
&& prev_is_end_par
&& curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count) {
if (do_second_indent && !LINEEMPTY(curwin->w_cursor.lnum + 1)) {
if (leader_len == 0 && next_leader_len == 0) {
// no comment found
second_indent =
get_indent_lnum(curwin->w_cursor.lnum + 1);
} else {
second_indent = next_leader_len;
do_comments_list = 1;
}
} else if (do_number_indent) {
if (leader_len == 0 && next_leader_len == 0) {
// no comment found
second_indent =
get_number_indent(curwin->w_cursor.lnum);
} else {
// get_number_indent() is now "comment aware"...
second_indent =
get_number_indent(curwin->w_cursor.lnum);
do_comments_list = 1;
}
}
}
/*
* When the comment leader changes, it's the end of the paragraph.
*/
if (curwin->w_cursor.lnum >= curbuf->b_ml.ml_line_count
|| !same_leader(curwin->w_cursor.lnum,
leader_len, leader_flags,
next_leader_len,
next_leader_flags)) {
// Special case: If the next line starts with a line comment
// and this line has a line comment after some text, the
// paragraph doesn't really end.
if (next_leader_flags == NULL
|| STRNCMP(next_leader_flags, "://", 3) != 0
|| check_linecomment(get_cursor_line_ptr()) == MAXCOL) {
is_end_par = true;
}
}
/*
* If we have got to the end of a paragraph, or the line is
* getting long, format it.
*/
if (is_end_par || force_format) {
if (need_set_indent) {
int indent = 0; // amount of indent needed
// Replace indent in first line of a paragraph with minimal
// number of tabs and spaces, according to current options.
// For the very first formatted line keep the current
// indent.
if (curwin->w_cursor.lnum == first_line) {
indent = get_indent();
} else if (curbuf->b_p_lisp) {
indent = get_lisp_indent();
} else {
if (cindent_on()) {
indent = *curbuf->b_p_inde != NUL ? get_expr_indent() : get_c_indent();
} else {
indent = get_indent();
}
}
(void)set_indent(indent, SIN_CHANGED);
}
// put cursor on last non-space
State = MODE_NORMAL; // don't go past end-of-line
coladvance(MAXCOL);
while (curwin->w_cursor.col && ascii_isspace(gchar_cursor())) {
dec_cursor();
}
// do the formatting, without 'showmode'
State = MODE_INSERT; // for open_line()
smd_save = p_smd;
p_smd = false;
insertchar(NUL, INSCHAR_FORMAT
+ (do_comments ? INSCHAR_DO_COM : 0)
+ (do_comments && do_comments_list
? INSCHAR_COM_LIST : 0)
+ (avoid_fex ? INSCHAR_NO_FEX : 0), second_indent);
State = old_State;
p_smd = smd_save;
second_indent = -1;
// at end of par.: need to set indent of next par.
need_set_indent = is_end_par;
if (is_end_par) {
// When called with a negative line count, break at the
// end of the paragraph.
if (line_count < 0) {
break;
}
first_par_line = true;
}
force_format = false;
}
/*
* When still in same paragraph, join the lines together. But
* first delete the leader from the second line.
*/
if (!is_end_par) {
advance = false;
curwin->w_cursor.lnum++;
curwin->w_cursor.col = 0;
if (line_count < 0 && u_save_cursor() == FAIL) {
break;
}
if (next_leader_len > 0) {
(void)del_bytes(next_leader_len, false, false);
mark_col_adjust(curwin->w_cursor.lnum, (colnr_T)0, 0L,
(long)-next_leader_len, 0);
} else if (second_indent > 0) { // the "leader" for FO_Q_SECOND
int indent = (int)getwhitecols_curline();
if (indent > 0) {
(void)del_bytes(indent, false, false);
mark_col_adjust(curwin->w_cursor.lnum,
(colnr_T)0, 0L, (long)-indent, 0);
}
}
curwin->w_cursor.lnum--;
if (do_join(2, true, false, false, false) == FAIL) {
beep_flush();
break;
}
first_par_line = false;
// If the line is getting long, format it next time
if (STRLEN(get_cursor_line_ptr()) > (size_t)max_len) {
force_format = true;
} else {
force_format = false;
}
}
}
line_breakcheck();
}
}
/// @return true if line "lnum" ends in a white character.
static int ends_in_white(linenr_T lnum)
{
char_u *s = ml_get(lnum);
size_t l;
if (*s == NUL) {
return false;
}
l = STRLEN(s) - 1;
return ascii_iswhite(s[l]);
}
/// Blank lines, and lines containing only the comment leader, are left
/// untouched by the formatting. The function returns true in this
/// case. It also returns true when a line starts with the end of a comment
/// ('e' in comment flags), so that this line is skipped, and not joined to the
/// previous line. A new paragraph starts after a blank line, or when the
/// comment leader changes.
static int fmt_check_par(linenr_T lnum, int *leader_len, char_u **leader_flags, int do_comments)
{
char_u *flags = NULL; // init for GCC
char_u *ptr;
ptr = ml_get(lnum);
if (do_comments) {
*leader_len = get_leader_len((char *)ptr, (char **)leader_flags, false, true);
} else {
*leader_len = 0;
}
if (*leader_len > 0) {
/*
* Search for 'e' flag in comment leader flags.
*/
flags = *leader_flags;
while (*flags && *flags != ':' && *flags != COM_END) {
flags++;
}
}
return *skipwhite((char *)ptr + *leader_len) == NUL
|| (*leader_len > 0 && *flags == COM_END)
|| startPS(lnum, NUL, false);
}
/// Used for auto-formatting.
///
/// @return true when a paragraph starts in line "lnum".
/// false when the previous line is in the same paragraph.
int paragraph_start(linenr_T lnum)
{
char_u *p;
int leader_len = 0; // leader len of current line
char_u *leader_flags = NULL; // flags for leader of current line
int next_leader_len = 0; // leader len of next line
char_u *next_leader_flags = NULL; // flags for leader of next line
if (lnum <= 1) {
return true; // start of the file
}
p = ml_get(lnum - 1);
if (*p == NUL) {
return true; // after empty line
}
const bool do_comments = has_format_option(FO_Q_COMS); // format comments
if (fmt_check_par(lnum - 1, &leader_len, &leader_flags, do_comments)) {
return true; // after non-paragraph line
}
if (fmt_check_par(lnum, &next_leader_len, &next_leader_flags, do_comments)) {
return true; // "lnum" is not a paragraph line
}
if (has_format_option(FO_WHITE_PAR) && !ends_in_white(lnum - 1)) {
return true; // missing trailing space in previous line.
}
if (has_format_option(FO_Q_NUMBER) && (get_number_indent(lnum) > 0)) {
return true; // numbered item starts in "lnum".
}
if (!same_leader(lnum - 1, leader_len, leader_flags,
next_leader_len, next_leader_flags)) {
return true; // change of comment leader.
}
return false;
}
/// prepare a few things for block mode yank/delete/tilde /// prepare a few things for block mode yank/delete/tilde
/// ///
/// for delete: /// for delete:

11
src/nvim/option.c
View File

@@ -5047,17 +5047,6 @@ static int wc_use_keyname(char_u *varp, long *wcp)
return false; return false;
} }
/// Return true if format option 'x' is in effect.
/// Take care of no formatting when 'paste' is set.
bool has_format_option(int x)
FUNC_ATTR_PURE FUNC_ATTR_WARN_UNUSED_RESULT
{
if (p_paste) {
return false;
}
return vim_strchr(curbuf->b_p_fo, x) != NULL;
}
/// @returns true if "x" is present in 'shortmess' option, or /// @returns true if "x" is present in 'shortmess' option, or
/// 'shortmess' contains 'a' and "x" is present in SHM_ALL_ABBREVIATIONS. /// 'shortmess' contains 'a' and "x" is present in SHM_ALL_ABBREVIATIONS.
bool shortmess(int x) bool shortmess(int x)

1122
src/nvim/textformat.c Normal file
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File diff suppressed because it is too large Load Diff

12
src/nvim/textformat.h Normal file
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@@ -0,0 +1,12 @@
#ifndef NVIM_TEXTFORMAT_H
#define NVIM_TEXTFORMAT_H
#include <stdbool.h>
#include "nvim/normal.h" // for oparg_T
#include "nvim/pos.h" // for linenr_T
#ifdef INCLUDE_GENERATED_DECLARATIONS
# include "textformat.h.generated.h"
#endif
#endif // NVIM_TEXTFORMAT_H