vim/7.3.1112

To: vim_dev@googlegroups.com
Subject: Patch 7.3.1112
Fcc: outbox
From: Bram Moolenaar <Bram@moolenaar.net>
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------------

Patch 7.3.1112
Problem:    New regexp engine: \%V not supported.
Solution:   Implement \%V.  Add tests.
Files:	    src/regexp.c, src/regexp_nfa.c, src/testdir/test64.in,
	    src/testdir/test64.ok


*** ../vim-7.3.1111/src/regexp.c	2013-06-03 19:41:01.000000000 +0200
--- src/regexp.c	2013-06-04 18:28:12.000000000 +0200
***************
*** 4165,4170 ****
--- 4165,4249 ----
  }
  
  #endif
+ #ifdef FEAT_VISUAL
+ static int reg_match_visual __ARGS((void));
+ 
+ /*
+  * Return TRUE if the current reginput position matches the Visual area.
+  */
+     static int
+ reg_match_visual()
+ {
+     pos_T	top, bot;
+     linenr_T    lnum;
+     colnr_T	col;
+     win_T	*wp = reg_win == NULL ? curwin : reg_win;
+     int		mode;
+     colnr_T	start, end;
+     colnr_T	start2, end2;
+     colnr_T	cols;
+ 
+     /* Check if the buffer is the current buffer. */
+     if (reg_buf != curbuf || VIsual.lnum == 0)
+ 	return FALSE;
+ 
+     if (VIsual_active)
+     {
+ 	if (lt(VIsual, wp->w_cursor))
+ 	{
+ 	    top = VIsual;
+ 	    bot = wp->w_cursor;
+ 	}
+ 	else
+ 	{
+ 	    top = wp->w_cursor;
+ 	    bot = VIsual;
+ 	}
+ 	mode = VIsual_mode;
+     }
+     else
+     {
+ 	if (lt(curbuf->b_visual.vi_start, curbuf->b_visual.vi_end))
+ 	{
+ 	    top = curbuf->b_visual.vi_start;
+ 	    bot = curbuf->b_visual.vi_end;
+ 	}
+ 	else
+ 	{
+ 	    top = curbuf->b_visual.vi_end;
+ 	    bot = curbuf->b_visual.vi_start;
+ 	}
+ 	mode = curbuf->b_visual.vi_mode;
+     }
+     lnum = reglnum + reg_firstlnum;
+     if (lnum < top.lnum || lnum > bot.lnum)
+ 	return FALSE;
+ 
+     if (mode == 'v')
+     {
+ 	col = (colnr_T)(reginput - regline);
+ 	if ((lnum == top.lnum && col < top.col)
+ 		|| (lnum == bot.lnum && col >= bot.col + (*p_sel != 'e')))
+ 	    return FALSE;
+     }
+     else if (mode == Ctrl_V)
+     {
+ 	getvvcol(wp, &top, &start, NULL, &end);
+ 	getvvcol(wp, &bot, &start2, NULL, &end2);
+ 	if (start2 < start)
+ 	    start = start2;
+ 	if (end2 > end)
+ 	    end = end2;
+ 	if (top.col == MAXCOL || bot.col == MAXCOL)
+ 	    end = MAXCOL;
+ 	cols = win_linetabsize(wp, regline, (colnr_T)(reginput - regline));
+ 	if (cols < start || cols > end - (*p_sel == 'e'))
+ 	    return FALSE;
+     }
+     return TRUE;
+ }
+ #endif
+ 
  #define ADVANCE_REGINPUT() mb_ptr_adv(reginput)
  
  /*
***************
*** 4347,4426 ****
  
  	  case RE_VISUAL:
  #ifdef FEAT_VISUAL
! 	    /* Check if the buffer is the current buffer. and whether the
! 	     * position is inside the Visual area. */
! 	    if (reg_buf != curbuf || VIsual.lnum == 0)
! 		status = RA_NOMATCH;
! 	    else
! 	    {
! 		pos_T	    top, bot;
! 		linenr_T    lnum;
! 		colnr_T	    col;
! 		win_T	    *wp = reg_win == NULL ? curwin : reg_win;
! 		int	    mode;
! 
! 		if (VIsual_active)
! 		{
! 		    if (lt(VIsual, wp->w_cursor))
! 		    {
! 			top = VIsual;
! 			bot = wp->w_cursor;
! 		    }
! 		    else
! 		    {
! 			top = wp->w_cursor;
! 			bot = VIsual;
! 		    }
! 		    mode = VIsual_mode;
! 		}
! 		else
! 		{
! 		    if (lt(curbuf->b_visual.vi_start, curbuf->b_visual.vi_end))
! 		    {
! 			top = curbuf->b_visual.vi_start;
! 			bot = curbuf->b_visual.vi_end;
! 		    }
! 		    else
! 		    {
! 			top = curbuf->b_visual.vi_end;
! 			bot = curbuf->b_visual.vi_start;
! 		    }
! 		    mode = curbuf->b_visual.vi_mode;
! 		}
! 		lnum = reglnum + reg_firstlnum;
! 		col = (colnr_T)(reginput - regline);
! 		if (lnum < top.lnum || lnum > bot.lnum)
! 		    status = RA_NOMATCH;
! 		else if (mode == 'v')
! 		{
! 		    if ((lnum == top.lnum && col < top.col)
! 			    || (lnum == bot.lnum
! 					 && col >= bot.col + (*p_sel != 'e')))
! 			status = RA_NOMATCH;
! 		}
! 		else if (mode == Ctrl_V)
! 		{
! 		    colnr_T	    start, end;
! 		    colnr_T	    start2, end2;
! 		    colnr_T	    cols;
! 
! 		    getvvcol(wp, &top, &start, NULL, &end);
! 		    getvvcol(wp, &bot, &start2, NULL, &end2);
! 		    if (start2 < start)
! 			start = start2;
! 		    if (end2 > end)
! 			end = end2;
! 		    if (top.col == MAXCOL || bot.col == MAXCOL)
! 			end = MAXCOL;
! 		    cols = win_linetabsize(wp,
! 				      regline, (colnr_T)(reginput - regline));
! 		    if (cols < start || cols > end - (*p_sel == 'e'))
! 			status = RA_NOMATCH;
! 		}
! 	    }
! #else
! 	    status = RA_NOMATCH;
  #endif
  	    break;
  
  	  case RE_LNUM:
--- 4426,4434 ----
  
  	  case RE_VISUAL:
  #ifdef FEAT_VISUAL
! 	    if (!reg_match_visual())
  #endif
+ 		status = RA_NOMATCH;
  	    break;
  
  	  case RE_LNUM:
*** ../vim-7.3.1111/src/regexp_nfa.c	2013-06-04 17:47:00.000000000 +0200
--- src/regexp_nfa.c	2013-06-04 18:22:04.000000000 +0200
***************
*** 178,183 ****
--- 178,184 ----
      NFA_VCOL,		/*	Match cursor virtual column */
      NFA_VCOL_GT,	/*	Match > cursor virtual column */
      NFA_VCOL_LT,	/*	Match < cursor virtual column */
+     NFA_VISUAL,		/*	Match Visual area */
  
      NFA_FIRST_NL = NFA_ANY + ADD_NL,
      NFA_LAST_NL = NFA_NUPPER + ADD_NL,
***************
*** 960,967 ****
  		    break;
  
  		case 'V':
! 		    /* TODO: not supported yet */
! 		    return FAIL;
  		    break;
  
  		case '[':
--- 961,967 ----
  		    break;
  
  		case 'V':
! 		    EMIT(NFA_VISUAL);
  		    break;
  
  		case '[':
***************
*** 4731,4736 ****
--- 4731,4743 ----
  		if (result)
  		    addstate_here(thislist, t->state->out, &t->subs,
  							    t->pim, &listidx);
+ 		break;
+ 
+ 	    case NFA_VISUAL:
+ 		result = reg_match_visual();
+ 		if (result)
+ 		    addstate_here(thislist, t->state->out, &t->subs,
+ 							    t->pim, &listidx);
  		break;
  
  	    default:	/* regular character */
*** ../vim-7.3.1111/src/testdir/test64.in	2013-06-02 16:07:05.000000000 +0200
--- src/testdir/test64.in	2013-06-04 18:07:59.000000000 +0200
***************
*** 458,463 ****
--- 458,471 ----
  :.yank
  Gop:"
  :"
+ :" Check matching Visual area
+ /^Visual:
+ jfxvfx:s/\%Ve/E/g
+ jV:s/\%Va/A/g
+ jfxfxj:s/\%Vo/O/g
+ :/^Visual/+1,/^Visual/+4yank
+ Gop:"
+ :"
  :" Check patterns matching cursor position.
  :func! Postest()
   new
***************
*** 520,523 ****
--- 528,537 ----
  asdfasd<yy
  xxstart3
  
+ Visual:
+ thexe the thexethe
+ andaxand andaxand
+ oooxofor foroxooo
+ oooxofor foroxooo
+ 
  Results of test64:
*** ../vim-7.3.1111/src/testdir/test64.ok	2013-06-02 16:07:05.000000000 +0200
--- src/testdir/test64.ok	2013-06-04 18:08:08.000000000 +0200
***************
*** 857,862 ****
--- 857,867 ----
  ghi
  
  xxstart3
+ 
+ thexE thE thExethe
+ AndAxAnd AndAxAnd
+ oooxOfOr fOrOxooo
+ oooxOfOr fOrOxooo
  -0-
  ffo
  bob
*** ../vim-7.3.1111/src/version.c	2013-06-04 17:47:00.000000000 +0200
--- src/version.c	2013-06-04 18:26:28.000000000 +0200
***************
*** 730,731 ****
--- 730,733 ----
  {   /* Add new patch number below this line */
+ /**/
+     1112,
  /**/

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 /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net   \\\
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