Mercurial > vim
changeset 20237:918245588b50 v8.2.0674
patch 8.2.0674: some source files are too big
Commit: https://github.com/vim/vim/commit/11abd095210fc84e5dcee87b9baed86061caefe4
Author: Bram Moolenaar <Bram@vim.org>
Date: Fri May 1 14:26:37 2020 +0200
patch 8.2.0674: some source files are too big
Problem: Some source files are too big.
Solution: Move text formatting functions to a new file. (Yegappan
Lakshmanan, closes #6021)
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Fri, 01 May 2020 14:30:04 +0200 |
| parents | 366b1c4f8c49 |
| children | d3fee66f8f3e |
| files | Filelist src/Make_cyg_ming.mak src/Make_morph.mak src/Make_mvc.mak src/Make_vms.mms src/Makefile src/README.md src/edit.c src/getchar.c src/ops.c src/option.c src/proto.h src/proto/edit.pro src/proto/getchar.pro src/proto/ops.pro src/proto/option.pro src/proto/textformat.pro src/textformat.c src/version.c |
| diffstat | 19 files changed, 1167 insertions(+), 1176 deletions(-) [+] |
line wrap: on
line diff
--- a/Filelist +++ b/Filelist @@ -128,6 +128,7 @@ SRC_ALL = \ src/term.h \ src/termlib.c \ src/testing.c \ + src/textformat.c \ src/textobject.c \ src/textprop.c \ src/time.c \ @@ -280,6 +281,7 @@ SRC_ALL = \ 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 \
--- a/src/Make_cyg_ming.mak +++ b/src/Make_cyg_ming.mak @@ -787,6 +787,7 @@ OBJ = \ $(OUTDIR)/tag.o \ $(OUTDIR)/term.o \ $(OUTDIR)/testing.o \ + $(OUTDIR)/textformat.o \ $(OUTDIR)/textobject.o \ $(OUTDIR)/textprop.o \ $(OUTDIR)/time.o \
--- a/src/Make_morph.mak +++ b/src/Make_morph.mak @@ -103,6 +103,7 @@ SRC = arabic.c \ tag.c \ term.c \ testing.c \ + textformat.c \ textobject.c \ textprop.c \ time.c \
--- a/src/Make_mvc.mak +++ b/src/Make_mvc.mak @@ -806,6 +806,7 @@ OBJ = \ $(OUTDIR)\tag.obj \ $(OUTDIR)\term.obj \ $(OUTDIR)\testing.obj \ + $(OUTDIR)\textformat.obj \ $(OUTDIR)\textobject.obj \ $(OUTDIR)\textprop.obj \ $(OUTDIR)\time.obj \ @@ -1745,6 +1746,8 @@ lib$(MZSCHEME_MAIN_LIB)$(MZSCHEME_VER).l $(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) @@ -1945,6 +1948,7 @@ proto.h: \ proto/tag.pro \ proto/term.pro \ proto/testing.pro \ + proto/textformat.pro \ proto/textobject.pro \ proto/textprop.pro \ proto/time.pro \
--- a/src/Make_vms.mms +++ b/src/Make_vms.mms @@ -382,6 +382,7 @@ SRC = \ term.c \ termlib.c \ testing.c \ + textformat.c \ textobject.c \ textprop.c \ time.c \ @@ -492,6 +493,7 @@ OBJ = \ term.obj \ termlib.obj \ testing.obj \ + textformat.obj \ textobject.obj \ textprop.obj \ time.obj \ @@ -991,6 +993,9 @@ termlib.obj : termlib.c vim.h [.auto]con 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
--- a/src/Makefile +++ b/src/Makefile @@ -1680,6 +1680,7 @@ BASIC_SRC = \ term.c \ terminal.c \ testing.c \ + textformat.c \ textobject.c \ textprop.c \ time.c \ @@ -1823,6 +1824,7 @@ OBJ_COMMON = \ objects/term.o \ objects/terminal.o \ objects/testing.o \ + objects/textformat.o \ objects/textobject.o \ objects/textprop.o \ objects/time.o \ @@ -1998,6 +2000,7 @@ PRO_AUTO = \ terminal.pro \ termlib.pro \ testing.pro \ + textformat.pro \ textobject.pro \ textprop.pro \ time.pro \ @@ -3479,6 +3482,9 @@ objects/terminal.o: terminal.c $(TERM_DE 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 @@ -4073,6 +4079,10 @@ objects/testing.o: testing.c vim.h proto 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 \
--- a/src/README.md +++ b/src/README.md @@ -80,6 +80,7 @@ syntax.c | syntax and other highlighting 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
--- a/src/edit.c +++ b/src/edit.c @@ -28,8 +28,6 @@ static void ins_ctrl_v(void); 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 @@ -104,8 +102,6 @@ static int ins_need_undo; // call u_sav // 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 @@ -2063,8 +2059,6 @@ insert_special( # 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 @@ -2302,567 +2296,6 @@ insertchar( } /* - * 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. */ static void
--- a/src/getchar.c +++ b/src/getchar.c @@ -685,6 +685,46 @@ stuffnumReadbuff(long 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. * The redo buffer is left as it is.
--- a/src/ops.c +++ b/src/ops.c @@ -17,8 +17,6 @@ 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 @@ -591,46 +589,6 @@ block_insert( } /* - * 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 FAIL if undo failed, OK otherwise. @@ -2171,554 +2129,6 @@ theend: } /* - * 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 * * for delete:
--- a/src/option.c +++ b/src/option.c @@ -6492,18 +6492,6 @@ wc_use_keyname(char_u *varp, long *wcp) } /* - * 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. */
--- a/src/proto.h +++ b/src/proto.h @@ -224,6 +224,7 @@ void mbyte_im_set_active(int active_arg) # endif # include "testing.pro" # include "textobject.pro" +# include "textformat.pro" # include "time.pro" # include "ui.pro" # include "undo.pro"
--- a/src/proto/edit.pro +++ b/src/proto/edit.pro @@ -13,8 +13,6 @@ void truncate_spaces(char_u *line); 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);
--- a/src/proto/getchar.pro +++ b/src/proto/getchar.pro @@ -19,6 +19,7 @@ void stuffReadbuffLen(char_u *s, long le 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);
--- a/src/proto/ops.pro +++ b/src/proto/ops.pro @@ -5,7 +5,6 @@ int get_op_char(int optype); 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); @@ -14,9 +13,6 @@ int op_change(oparg_T *oap); 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);
--- a/src/proto/option.pro +++ b/src/proto/option.pro @@ -62,7 +62,6 @@ void set_imsearch_global(void); 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);
new file mode 100644 --- /dev/null +++ b/src/proto/textformat.pro @@ -0,0 +1,11 @@ +/* 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 : */
new file mode 100644 --- /dev/null +++ b/src/textformat.c @@ -0,0 +1,1088 @@ +/* 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(); + } +}