Problem: Some source files are too big.
Solution: Move text formatting functions to a new file. (Yegappan
Lakshmanan, closes #6021)
src/term.h \
src/termlib.c \
src/testing.c \
+ src/textformat.c \
src/textobject.c \
src/textprop.c \
src/time.c \
src/proto/terminal.pro \
src/proto/termlib.pro \
src/proto/testing.pro \
+ src/proto/textformat.pro \
src/proto/textobject.pro \
src/proto/textprop.pro \
src/proto/time.pro \
$(OUTDIR)/tag.o \
$(OUTDIR)/term.o \
$(OUTDIR)/testing.o \
+ $(OUTDIR)/textformat.o \
$(OUTDIR)/textobject.o \
$(OUTDIR)/textprop.o \
$(OUTDIR)/time.o \
tag.c \
term.c \
testing.c \
+ textformat.c \
textobject.c \
textprop.c \
time.c \
$(OUTDIR)\tag.obj \
$(OUTDIR)\term.obj \
$(OUTDIR)\testing.obj \
+ $(OUTDIR)\textformat.obj \
$(OUTDIR)\textobject.obj \
$(OUTDIR)\textprop.obj \
$(OUTDIR)\time.obj \
$(OUTDIR)/term.obj: $(OUTDIR) testing.c $(INCL)
+$(OUTDIR)/textformat.obj: $(OUTDIR) textformat.c $(INCL)
+
$(OUTDIR)/textobject.obj: $(OUTDIR) textobject.c $(INCL)
$(OUTDIR)/textprop.obj: $(OUTDIR) textprop.c $(INCL)
proto/tag.pro \
proto/term.pro \
proto/testing.pro \
+ proto/textformat.pro \
proto/textobject.pro \
proto/textprop.pro \
proto/time.pro \
term.c \
termlib.c \
testing.c \
+ textformat.c \
textobject.c \
textprop.c \
time.c \
term.obj \
termlib.obj \
testing.obj \
+ textformat.obj \
textobject.obj \
textprop.obj \
time.obj \
testing.obj : testing.c vim.h [.auto]config.h feature.h os_unix.h \
ascii.h keymap.h term.h macros.h structs.h regexp.h gui.h beval.h \
[.proto]gui_beval.pro option.h ex_cmds.h proto.h globals.h
+textformat.obj : textformat.c vim.h [.auto]config.h feature.h os_unix.h \
+ ascii.h keymap.h term.h macros.h structs.h regexp.h gui.h beval.h \
+ [.proto]gui_beval.pro option.h ex_cmds.h proto.h globals.h
textobject.obj : textobject.c vim.h [.auto]config.h feature.h os_unix.h \
ascii.h keymap.h term.h macros.h structs.h regexp.h gui.h beval.h \
[.proto]gui_beval.pro option.h ex_cmds.h proto.h globals.h
term.c \
terminal.c \
testing.c \
+ textformat.c \
textobject.c \
textprop.c \
time.c \
objects/term.o \
objects/terminal.o \
objects/testing.o \
+ objects/textformat.o \
objects/textobject.o \
objects/textprop.o \
objects/time.o \
terminal.pro \
termlib.pro \
testing.pro \
+ textformat.pro \
textobject.pro \
textprop.pro \
time.pro \
objects/testing.o: testing.c
$(CCC) -o $@ testing.c
+objects/textformat.o: textformat.c
+ $(CCC) -o $@ textformat.c
+
objects/textobject.o: textobject.c
$(CCC) -o $@ textobject.c
auto/osdef.h ascii.h keymap.h term.h macros.h option.h beval.h \
proto/gui_beval.pro structs.h regexp.h gui.h alloc.h ex_cmds.h spell.h \
proto.h globals.h
+objects/textformat.o: textformat.c vim.h protodef.h auto/config.h feature.h os_unix.h \
+ auto/osdef.h ascii.h keymap.h term.h macros.h option.h beval.h \
+ proto/gui_beval.pro structs.h regexp.h gui.h alloc.h ex_cmds.h spell.h \
+ proto.h globals.h
objects/textobject.o: textobject.c vim.h protodef.h auto/config.h feature.h os_unix.h \
auto/osdef.h ascii.h keymap.h term.h macros.h option.h beval.h \
proto/gui_beval.pro structs.h regexp.h gui.h alloc.h ex_cmds.h spell.h \
tag.c | tags
term.c | terminal handling, termcap codes
testing.c | testing: assert and test functions
+textformat.c | text formatting
textobject.c | text objects
textprop.c | text properties
time.c | time and timer functions
static void init_prompt(int cmdchar_todo);
#endif
static void insert_special(int, int, int);
-static void internal_format(int textwidth, int second_indent, int flags, int format_only, int c);
-static void check_auto_format(int);
static void redo_literal(int c);
static void start_arrow_common(pos_T *end_insert_pos, int change);
#ifdef FEAT_SPELL
// char. Set when edit() is called.
// after that arrow_used is used.
-static int did_add_space = FALSE; // auto_format() added an extra space
- // under the cursor
static int dont_sync_undo = FALSE; // CTRL-G U prevents syncing undo for
// the next left/right cursor key
# define ISSPECIAL(c) ((c) < ' ' || (c) >= DEL || (c) == '0' || (c) == '^')
#endif
-#define WHITECHAR(cc) (VIM_ISWHITE(cc) && (!enc_utf8 || !utf_iscomposing(utf_ptr2char(ml_get_cursor() + 1))))
-
/*
* "flags": INSCHAR_FORMAT - force formatting
* INSCHAR_CTRLV - char typed just after CTRL-V
}
}
-/*
- * 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().
- */
- static void
-internal_format(
- int textwidth,
- int second_indent,
- int flags,
- int format_only,
- int c) // character to be inserted (can be NUL)
-{
- int cc;
- int save_char = NUL;
- int haveto_redraw = FALSE;
- int fo_ins_blank = has_format_option(FO_INS_BLANK);
- int fo_multibyte = has_format_option(FO_MBYTE_BREAK);
- int fo_white_par = has_format_option(FO_WHITE_PAR);
- int first_line = TRUE;
- colnr_T leader_len;
- int no_leader = FALSE;
- int do_comments = (flags & INSCHAR_DO_COM);
-#ifdef FEAT_LINEBREAK
- int has_lbr = curwin->w_p_lbr;
-
- // make sure win_lbr_chartabsize() counts correctly
- curwin->w_p_lbr = FALSE;
-#endif
-
- /*
- * 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 (VIM_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;
- int wcc; // counter for whitespace chars
-
- 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)
- leader_len = get_leader_len(ml_get_curline(), NULL, FALSE, TRUE);
- 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;
-
- /*
- * 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
- wcc = 0;
- 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 && fo_multibyte)
- {
- // 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();
- // Don't change end_foundcol if already set.
- if (foundcol != curwin->w_cursor.col)
- {
- 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;
-
- 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;
-
- foundcol = curwin->w_cursor.col;
- end_foundcol = foundcol;
- if (curwin->w_cursor.col <= (colnr_T)wantcol)
- break;
- }
- 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. 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 VREPLACE mode, we will backspace over the text to be
- * wrapped, so save a copy now to put on the next line.
- */
- saved_text = vim_strsave(ml_get_cursor());
- curwin->w_cursor.col = orig_col;
- if (saved_text == NULL)
- break; // Can't do it, out of memory
- 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)
- + ((flags & INSCHAR_COM_LIST) ? OPENLINE_COM_LIST : 0)
- , ((flags & INSCHAR_COM_LIST) ? second_indent : old_indent));
- if (!(flags & INSCHAR_COM_LIST))
- old_indent = 0;
-
- 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 i;
- 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 (i = 0; i < padding; i++)
- ins_str((char_u *)" ");
- }
- else
- {
- (void)set_indent(second_indent, SIN_CHANGED);
- }
- }
- }
- first_line = FALSE;
- }
-
- if (State & VREPLACE_FLAG)
- {
- /*
- * In VREPLACE mode we have backspaced over the text to be
- * moved, now we re-insert it into the new line.
- */
- ins_bytes(saved_text);
- vim_free(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(ml_get_curline());
- if (curwin->w_cursor.col > len)
- curwin->w_cursor.col = len;
- }
-
- haveto_redraw = TRUE;
-#ifdef FEAT_CINDENT
- can_cindent = TRUE;
-#endif
- // moved the cursor, don't autoindent or cindent now
- did_ai = FALSE;
-#ifdef FEAT_SMARTINDENT
- did_si = FALSE;
- can_si = FALSE;
- can_si_back = FALSE;
-#endif
- line_breakcheck();
- }
-
- if (save_char != NUL) // put back space after cursor
- pchar_cursor(save_char);
-
-#ifdef FEAT_LINEBREAK
- curwin->w_p_lbr = has_lbr;
-#endif
- if (!format_only && haveto_redraw)
- {
- update_topline();
- redraw_curbuf_later(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.
- */
- void
-auto_format(
- int trailblank, // when TRUE also format with trailing blank
- int prev_line) // may start in previous 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 = ml_get_curline();
-
- // 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(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((colnr_T)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 = ml_get_curline();
- len = (colnr_T)STRLEN(new);
- if (curwin->w_cursor.col == len)
- {
- pnew = vim_strnsave(new, len + 2);
- pnew[len] = ' ';
- pnew[len + 1] = NUL;
- ml_replace(curwin->w_cursor.lnum, 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.
- */
- static void
-check_auto_format(
- int end_insert) // TRUE when ending Insert mode
-{
- 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 - 'wrapmargin'
- * if invalid value, use 0.
- * Set default to window width (maximum 79) for "gq" operator.
- */
- int
-comp_textwidth(
- int ff) // force formatting (for "gq" command)
-{
- int textwidth;
-
- textwidth = 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 - curbuf->b_p_wm;
-#ifdef FEAT_CMDWIN
- if (cmdwin_type != 0)
- textwidth -= 1;
-#endif
-#ifdef FEAT_FOLDING
- textwidth -= curwin->w_p_fdc;
-#endif
-#ifdef FEAT_SIGNS
- if (signcolumn_on(curwin))
- textwidth -= 1;
-#endif
- if (curwin->w_p_nu || curwin->w_p_rnu)
- textwidth -= 8;
- }
- if (textwidth < 0)
- textwidth = 0;
- if (ff && textwidth == 0)
- {
- textwidth = curwin->w_width - 1;
- if (textwidth > 79)
- textwidth = 79;
- }
- return textwidth;
-}
-
/*
* Put a character in the redo buffer, for when just after a CTRL-V.
*/
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(char_u *arg, int literally)
+{
+ int c;
+ char_u *start;
+
+ 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.
+ start = arg;
+ while ((*arg >= ' '
+#ifndef EBCDIC
+ && *arg < DEL // EBCDIC: chars above space are normal
+#endif
+ )
+ || (*arg == K_SPECIAL && !literally))
+ ++arg;
+ if (arg > start)
+ stuffReadbuffLen(start, (long)(arg - start));
+
+ // stuff a single special character
+ if (*arg != NUL)
+ {
+ if (has_mbyte)
+ c = mb_cptr2char_adv(&arg);
+ else
+ c = *arg++;
+ if (literally && ((c < ' ' && c != TAB) || c == DEL))
+ stuffcharReadbuff(Ctrl_V);
+ stuffcharReadbuff(c);
+ }
+ }
+}
+
/*
* Read a character from the redo buffer. Translates K_SPECIAL, CSI and
* multibyte characters.
static void shift_block(oparg_T *oap, int amount);
static void mb_adjust_opend(oparg_T *oap);
static int do_addsub(int op_type, pos_T *pos, int length, linenr_T Prenum1);
-static int ends_in_white(linenr_T lnum);
-static int fmt_check_par(linenr_T, int *, char_u **, int do_comments);
// Flags for third item in "opchars".
#define OPF_LINES 1 // operator always works on lines
State = oldstate;
}
-/*
- * Stuff a string into the typeahead buffer, such that edit() will insert it
- * literally ("literally" TRUE) or interpret is as typed characters.
- */
- void
-stuffescaped(char_u *arg, int literally)
-{
- int c;
- char_u *start;
-
- 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.
- start = arg;
- while ((*arg >= ' '
-#ifndef EBCDIC
- && *arg < DEL // EBCDIC: chars above space are normal
-#endif
- )
- || (*arg == K_SPECIAL && !literally))
- ++arg;
- if (arg > start)
- stuffReadbuffLen(start, (long)(arg - start));
-
- // stuff a single special character
- if (*arg != NUL)
- {
- if (has_mbyte)
- c = mb_cptr2char_adv(&arg);
- else
- c = *arg++;
- if (literally && ((c < ' ' && c != TAB) || c == DEL))
- stuffcharReadbuff(Ctrl_V);
- stuffcharReadbuff(c);
- }
- }
-}
-
/*
* Handle a delete operation.
*
return ret;
}
-/*
- * Return TRUE if the two comment leaders given are the same. "lnum" is
- * the first line. White-space is ignored. Note that the whole of
- * 'leader1' must match 'leader2_len' characters from 'leader2' -- webb
- */
- 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 fist 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));
- if (line1 != NULL)
- {
- for (idx1 = 0; VIM_ISWHITE(line1[idx1]); ++idx1)
- ;
- line2 = ml_get(lnum + 1);
- for (idx2 = 0; idx2 < leader2_len; ++idx2)
- {
- if (!VIM_ISWHITE(line2[idx2]))
- {
- if (line1[idx1++] != line2[idx2])
- break;
- }
- else
- while (VIM_ISWHITE(line1[idx1]))
- ++idx1;
- }
- vim_free(line1);
- }
- return (idx2 == leader2_len && idx1 == leader1_len);
-}
-
-/*
- * Implementation of the format operator 'gq'.
- */
- static void
-op_format(
- oparg_T *oap,
- int keep_cursor) // keep cursor on same text char
-{
- long 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(INVERTED);
-
- if (!cmdmod.lockmarks)
- // 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(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.lockmarks)
- // 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;
- }
-
- if (oap->is_VIsual)
- {
- win_T *wp;
-
- FOR_ALL_WINDOWS(wp)
- {
- 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;
- }
- }
- }
-}
-
-#if defined(FEAT_EVAL) || defined(PROTO)
-/*
- * 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(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);
-}
-
- int
-fex_format(
- linenr_T lnum,
- long count,
- int c) // character to be inserted
-{
- int use_sandbox = was_set_insecurely((char_u *)"formatexpr",
- OPT_LOCAL);
- int r;
- char_u *fex;
-
- /*
- * 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, lnum);
- set_vim_var_nr(VV_COUNT, count);
- set_vim_var_char(c);
-
- // Make a copy, the option could be changed while calling it.
- fex = vim_strsave(curbuf->b_p_fex);
- if (fex == NULL)
- return 0;
-
- /*
- * 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);
- vim_free(fex);
-
- return r;
-}
-#endif
-
-/*
- * Format "line_count" lines, starting at the cursor position.
- * When "line_count" is negative, format until the end of the paragraph.
- * Lines after the cursor line are saved for undo, caller must have saved the
- * first line.
- */
- void
-format_lines(
- linenr_T line_count,
- int avoid_fex) // don't use 'formatexpr'
-{
- int max_len;
- int is_not_par; // current line not part of parag.
- int next_is_not_par; // next line not part of paragraph
- int is_end_par; // at end of paragraph
- int prev_is_end_par = FALSE;// prev. line not part of parag.
- int 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; // flags for leader of next line
- int do_comments; // format comments
- int do_comments_list = 0; // format comments with 'n' or '2'
- int advance = TRUE;
- int second_indent = -1; // indent for second line (comment
- // aware)
- int do_second_indent;
- int do_number_indent;
- int do_trail_white;
- int first_par_line = TRUE;
- int smd_save;
- long count;
- int need_set_indent = TRUE; // set indent of next paragraph
- int force_format = FALSE;
- int old_State = State;
-
- // length of a line to force formatting: 3 * 'tw'
- max_len = comp_textwidth(TRUE) * 3;
-
- // check for 'q', '2' and '1' in 'formatoptions'
- do_comments = has_format_option(FO_Q_COMS);
- do_second_indent = has_format_option(FO_Q_SECOND);
- do_number_indent = has_format_option(FO_Q_NUMBER);
- 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))
- 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)
- // replace indent in first line with minimal number of
- // tabs and spaces, according to current options
- (void)set_indent(get_indent(), SIN_CHANGED);
-
- // put cursor on last non-space
- State = NORMAL; // don't go past end-of-line
- coladvance((colnr_T)MAXCOL);
- while (curwin->w_cursor.col && vim_isspace(gchar_cursor()))
- dec_cursor();
-
- // do the formatting, without 'showmode'
- State = 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((long)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 = 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(ml_get_curline()) > (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;
- // Don't use STRLEN() inside VIM_ISWHITE(), SAS/C complains: "macro
- // invocation may call function multiple times".
- l = STRLEN(s) - 1;
- return VIM_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 -- webb.
- */
- 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(ptr, 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(ptr + *leader_len) == NUL
- || (*leader_len > 0 && *flags == COM_END)
- || startPS(lnum, NUL, FALSE));
-}
-
-/*
- * Return TRUE when a paragraph starts in line "lnum". Return FALSE when the
- * previous line is in the same paragraph. Used for auto-formatting.
- */
- 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; // leader len of next line
- char_u *next_leader_flags; // flags for leader of next line
- int do_comments; // format comments
-
- if (lnum <= 1)
- return TRUE; // start of the file
-
- p = ml_get(lnum - 1);
- if (*p == NUL)
- return TRUE; // after empty line
-
- do_comments = has_format_option(FO_Q_COMS);
- 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
*
return FALSE;
}
-/*
- * Return TRUE if format option 'x' is in effect.
- * Take care of no formatting when 'paste' is set.
- */
- int
-has_format_option(int x)
-{
- if (p_paste)
- return FALSE;
- return (vim_strchr(curbuf->b_p_fo, x) != NULL);
-}
-
/*
* Return TRUE if "x" is present in 'shortmess' option, or
* 'shortmess' contains 'a' and "x" is present in SHM_A.
# endif
# include "testing.pro"
# include "textobject.pro"
+# include "textformat.pro"
# include "time.pro"
# include "ui.pro"
# include "undo.pro"
void backspace_until_column(int col);
int get_literal(void);
void insertchar(int c, int flags, int second_indent);
-void auto_format(int trailblank, int prev_line);
-int comp_textwidth(int ff);
void start_arrow(pos_T *end_insert_pos);
int stop_arrow(void);
void set_last_insert(int c);
void stuffReadbuffSpec(char_u *s);
void stuffcharReadbuff(int c);
void stuffnumReadbuff(long n);
+void stuffescaped(char_u *arg, int literally);
int start_redo(long count, int old_redo);
int start_redo_ins(void);
void stop_redo_ins(void);
int get_extra_op_char(int optype);
void op_shift(oparg_T *oap, int curs_top, int amount);
void shift_line(int left, int round, int amount, int call_changed_bytes);
-void stuffescaped(char_u *arg, int literally);
int op_delete(oparg_T *oap);
int op_replace(oparg_T *oap, int c);
int swapchar(int op_type, pos_T *pos);
void adjust_cursor_eol(void);
char_u *skip_comment(char_u *line, int process, int include_space, int *is_comment);
int do_join(long count, int insert_space, int save_undo, int use_formatoptions, int setmark);
-int fex_format(linenr_T lnum, long count, int c);
-void format_lines(linenr_T line_count, int avoid_fex);
-int paragraph_start(linenr_T lnum);
void block_prep(oparg_T *oap, struct block_def *bdp, linenr_T lnum, int is_del);
void op_addsub(oparg_T *oap, linenr_T Prenum1, int g_cmd);
void clear_oparg(oparg_T *oap);
void set_context_in_set_cmd(expand_T *xp, char_u *arg, int opt_flags);
int ExpandSettings(expand_T *xp, regmatch_T *regmatch, int *num_file, char_u ***file);
int ExpandOldSetting(int *num_file, char_u ***file);
-int has_format_option(int x);
int shortmess(int x);
void vimrc_found(char_u *fname, char_u *envname);
void change_compatible(int on);
--- /dev/null
+/* textformat.c */
+int has_format_option(int x);
+void internal_format(int textwidth, int second_indent, int flags, int format_only, int c);
+void auto_format(int trailblank, int prev_line);
+void check_auto_format(int);
+int comp_textwidth(int ff);
+void op_format(oparg_T *oap, int keep_cursor);
+void op_formatexpr(oparg_T *oap);
+int fex_format(linenr_T lnum, long count, int c);
+void format_lines(linenr_T line_count, int avoid_fex);
+/* vim: set ft=c : */
--- /dev/null
+/* vi:set ts=8 sts=4 sw=4 noet:
+ *
+ * VIM - Vi IMproved by Bram Moolenaar
+ *
+ * Do ":help uganda" in Vim to read copying and usage conditions.
+ * Do ":help credits" in Vim to see a list of people who contributed.
+ * See README.txt for an overview of the Vim source code.
+ */
+
+/*
+ * textformat.c: text formatting functions
+ */
+
+#include "vim.h"
+
+static int did_add_space = FALSE; // auto_format() added an extra space
+ // under the cursor
+
+#define WHITECHAR(cc) (VIM_ISWHITE(cc) && (!enc_utf8 || !utf_iscomposing(utf_ptr2char(ml_get_cursor() + 1))))
+
+/*
+ * Return TRUE if format option 'x' is in effect.
+ * Take care of no formatting when 'paste' is set.
+ */
+ int
+has_format_option(int x)
+{
+ if (p_paste)
+ return FALSE;
+ return (vim_strchr(curbuf->b_p_fo, x) != NULL);
+}
+
+/*
+ * 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().
+ */
+ void
+internal_format(
+ int textwidth,
+ int second_indent,
+ int flags,
+ int format_only,
+ int c) // character to be inserted (can be NUL)
+{
+ int cc;
+ int save_char = NUL;
+ int haveto_redraw = FALSE;
+ int fo_ins_blank = has_format_option(FO_INS_BLANK);
+ int fo_multibyte = has_format_option(FO_MBYTE_BREAK);
+ int fo_white_par = has_format_option(FO_WHITE_PAR);
+ int first_line = TRUE;
+ colnr_T leader_len;
+ int no_leader = FALSE;
+ int do_comments = (flags & INSCHAR_DO_COM);
+#ifdef FEAT_LINEBREAK
+ int has_lbr = curwin->w_p_lbr;
+
+ // make sure win_lbr_chartabsize() counts correctly
+ curwin->w_p_lbr = FALSE;
+#endif
+
+ // 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 (VIM_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;
+ int wcc; // counter for whitespace chars
+
+ 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)
+ leader_len = get_leader_len(ml_get_curline(), NULL, FALSE, TRUE);
+ 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;
+
+ // 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
+ wcc = 0;
+ 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 && fo_multibyte)
+ {
+ // 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();
+ // Don't change end_foundcol if already set.
+ if (foundcol != curwin->w_cursor.col)
+ {
+ 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;
+
+ 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;
+
+ foundcol = curwin->w_cursor.col;
+ end_foundcol = foundcol;
+ if (curwin->w_cursor.col <= (colnr_T)wantcol)
+ break;
+ }
+ 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. 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 VREPLACE mode, we will backspace over the text to be
+ // wrapped, so save a copy now to put on the next line.
+ saved_text = vim_strsave(ml_get_cursor());
+ curwin->w_cursor.col = orig_col;
+ if (saved_text == NULL)
+ break; // Can't do it, out of memory
+ 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)
+ + ((flags & INSCHAR_COM_LIST) ? OPENLINE_COM_LIST : 0)
+ , ((flags & INSCHAR_COM_LIST) ? second_indent : old_indent));
+ if (!(flags & INSCHAR_COM_LIST))
+ old_indent = 0;
+
+ 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 i;
+ 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 (i = 0; i < padding; i++)
+ ins_str((char_u *)" ");
+ }
+ else
+ {
+ (void)set_indent(second_indent, SIN_CHANGED);
+ }
+ }
+ }
+ first_line = FALSE;
+ }
+
+ if (State & VREPLACE_FLAG)
+ {
+ // In VREPLACE mode we have backspaced over the text to be
+ // moved, now we re-insert it into the new line.
+ ins_bytes(saved_text);
+ vim_free(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(ml_get_curline());
+ if (curwin->w_cursor.col > len)
+ curwin->w_cursor.col = len;
+ }
+
+ haveto_redraw = TRUE;
+#ifdef FEAT_CINDENT
+ set_can_cindent(TRUE);
+#endif
+ // moved the cursor, don't autoindent or cindent now
+ did_ai = FALSE;
+#ifdef FEAT_SMARTINDENT
+ did_si = FALSE;
+ can_si = FALSE;
+ can_si_back = FALSE;
+#endif
+ line_breakcheck();
+ }
+
+ if (save_char != NUL) // put back space after cursor
+ pchar_cursor(save_char);
+
+#ifdef FEAT_LINEBREAK
+ curwin->w_p_lbr = has_lbr;
+#endif
+ if (!format_only && haveto_redraw)
+ {
+ update_topline();
+ redraw_curbuf_later(VALID);
+ }
+}
+
+/*
+ * 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 -- webb.
+ */
+ 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(ptr, 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(ptr + *leader_len) == NUL
+ || (*leader_len > 0 && *flags == COM_END)
+ || startPS(lnum, NUL, FALSE));
+}
+
+/*
+ * 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;
+ // Don't use STRLEN() inside VIM_ISWHITE(), SAS/C complains: "macro
+ // invocation may call function multiple times".
+ l = STRLEN(s) - 1;
+ return VIM_ISWHITE(s[l]);
+}
+
+/*
+ * Return TRUE if the two comment leaders given are the same. "lnum" is
+ * the first line. White-space is ignored. Note that the whole of
+ * 'leader1' must match 'leader2_len' characters from 'leader2' -- webb
+ */
+ 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 fist 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));
+ if (line1 != NULL)
+ {
+ for (idx1 = 0; VIM_ISWHITE(line1[idx1]); ++idx1)
+ ;
+ line2 = ml_get(lnum + 1);
+ for (idx2 = 0; idx2 < leader2_len; ++idx2)
+ {
+ if (!VIM_ISWHITE(line2[idx2]))
+ {
+ if (line1[idx1++] != line2[idx2])
+ break;
+ }
+ else
+ while (VIM_ISWHITE(line1[idx1]))
+ ++idx1;
+ }
+ vim_free(line1);
+ }
+ return (idx2 == leader2_len && idx1 == leader1_len);
+}
+
+/*
+ * Return TRUE when a paragraph starts in line "lnum". Return FALSE when the
+ * previous line is in the same paragraph. Used for auto-formatting.
+ */
+ static 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; // leader len of next line
+ char_u *next_leader_flags; // flags for leader of next line
+ int do_comments; // format comments
+
+ if (lnum <= 1)
+ return TRUE; // start of the file
+
+ p = ml_get(lnum - 1);
+ if (*p == NUL)
+ return TRUE; // after empty line
+
+ do_comments = has_format_option(FO_Q_COMS);
+ 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;
+}
+
+/*
+ * 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.
+ */
+ void
+auto_format(
+ int trailblank, // when TRUE also format with trailing blank
+ int prev_line) // may start in previous 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 = ml_get_curline();
+
+ // 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(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((colnr_T)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 = ml_get_curline();
+ len = (colnr_T)STRLEN(new);
+ if (curwin->w_cursor.col == len)
+ {
+ pnew = vim_strnsave(new, len + 2);
+ pnew[len] = ' ';
+ pnew[len + 1] = NUL;
+ ml_replace(curwin->w_cursor.lnum, 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.
+ */
+ void
+check_auto_format(
+ int end_insert) // TRUE when ending Insert mode
+{
+ 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 - 'wrapmargin'
+ * if invalid value, use 0.
+ * Set default to window width (maximum 79) for "gq" operator.
+ */
+ int
+comp_textwidth(
+ int ff) // force formatting (for "gq" command)
+{
+ int textwidth;
+
+ textwidth = 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 - curbuf->b_p_wm;
+#ifdef FEAT_CMDWIN
+ if (cmdwin_type != 0)
+ textwidth -= 1;
+#endif
+#ifdef FEAT_FOLDING
+ textwidth -= curwin->w_p_fdc;
+#endif
+#ifdef FEAT_SIGNS
+ if (signcolumn_on(curwin))
+ textwidth -= 1;
+#endif
+ if (curwin->w_p_nu || curwin->w_p_rnu)
+ textwidth -= 8;
+ }
+ if (textwidth < 0)
+ textwidth = 0;
+ if (ff && textwidth == 0)
+ {
+ textwidth = curwin->w_width - 1;
+ if (textwidth > 79)
+ textwidth = 79;
+ }
+ return textwidth;
+}
+
+/*
+ * Implementation of the format operator 'gq'.
+ */
+ void
+op_format(
+ oparg_T *oap,
+ int keep_cursor) // keep cursor on same text char
+{
+ long 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(INVERTED);
+
+ if (!cmdmod.lockmarks)
+ // 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(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.lockmarks)
+ // 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;
+ }
+
+ if (oap->is_VIsual)
+ {
+ win_T *wp;
+
+ FOR_ALL_WINDOWS(wp)
+ {
+ 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;
+ }
+ }
+ }
+}
+
+#if defined(FEAT_EVAL) || defined(PROTO)
+/*
+ * Implementation of the format operator 'gq' for when using 'formatexpr'.
+ */
+ void
+op_formatexpr(oparg_T *oap)
+{
+ if (oap->is_VIsual)
+ // When there is no change: need to remove the Visual selection
+ redraw_curbuf_later(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);
+}
+
+ int
+fex_format(
+ linenr_T lnum,
+ long count,
+ int c) // character to be inserted
+{
+ int use_sandbox = was_set_insecurely((char_u *)"formatexpr",
+ OPT_LOCAL);
+ int r;
+ char_u *fex;
+
+ // 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, lnum);
+ set_vim_var_nr(VV_COUNT, count);
+ set_vim_var_char(c);
+
+ // Make a copy, the option could be changed while calling it.
+ fex = vim_strsave(curbuf->b_p_fex);
+ if (fex == NULL)
+ return 0;
+
+ // 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);
+ vim_free(fex);
+
+ return r;
+}
+#endif
+
+/*
+ * Format "line_count" lines, starting at the cursor position.
+ * When "line_count" is negative, format until the end of the paragraph.
+ * Lines after the cursor line are saved for undo, caller must have saved the
+ * first line.
+ */
+ void
+format_lines(
+ linenr_T line_count,
+ int avoid_fex) // don't use 'formatexpr'
+{
+ int max_len;
+ int is_not_par; // current line not part of parag.
+ int next_is_not_par; // next line not part of paragraph
+ int is_end_par; // at end of paragraph
+ int prev_is_end_par = FALSE;// prev. line not part of parag.
+ int 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; // flags for leader of next line
+ int do_comments; // format comments
+ int do_comments_list = 0; // format comments with 'n' or '2'
+ int advance = TRUE;
+ int second_indent = -1; // indent for second line (comment
+ // aware)
+ int do_second_indent;
+ int do_number_indent;
+ int do_trail_white;
+ int first_par_line = TRUE;
+ int smd_save;
+ long count;
+ int need_set_indent = TRUE; // set indent of next paragraph
+ int force_format = FALSE;
+ int old_State = State;
+
+ // length of a line to force formatting: 3 * 'tw'
+ max_len = comp_textwidth(TRUE) * 3;
+
+ // check for 'q', '2' and '1' in 'formatoptions'
+ do_comments = has_format_option(FO_Q_COMS);
+ do_second_indent = has_format_option(FO_Q_SECOND);
+ do_number_indent = has_format_option(FO_Q_NUMBER);
+ 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))
+ 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)
+ // replace indent in first line with minimal number of
+ // tabs and spaces, according to current options
+ (void)set_indent(get_indent(), SIN_CHANGED);
+
+ // put cursor on last non-space
+ State = NORMAL; // don't go past end-of-line
+ coladvance((colnr_T)MAXCOL);
+ while (curwin->w_cursor.col && vim_isspace(gchar_cursor()))
+ dec_cursor();
+
+ // do the formatting, without 'showmode'
+ State = 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((long)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 = 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(ml_get_curline()) > (size_t)max_len)
+ force_format = TRUE;
+ else
+ force_format = FALSE;
+ }
+ }
+ line_breakcheck();
+ }
+}
static int included_patches[] =
{ /* Add new patch number below this line */
+/**/
+ 674,
/**/
673,
/**/
projects / vim / commitdiff