# HG changeset patch
# User Bram Moolenaar <bram@vim.org>
# Date 1370363328 -7200
# Node ID 749e2b2755d59eedd6fd28e7d9ec47523b722be7
# Parent  b6d58929335669e12b96c1bb28711aa353ee87e7
updated for version 7.3.1112
Problem:    New regexp engine: \%V not supported.
Solution:   Implement \%V.  Add tests.

diff --git a/src/regexp.c b/src/regexp.c
--- a/src/regexp.c
+++ b/src/regexp.c
@@ -4165,6 +4165,85 @@ reg_prev_class()
 }
 
 #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)
 
 /*
@@ -4347,80 +4426,9 @@ regmatch(scan)
 
 	  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)
+	    if (!reg_match_visual())
+#endif
 		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:
diff --git a/src/regexp_nfa.c b/src/regexp_nfa.c
--- a/src/regexp_nfa.c
+++ b/src/regexp_nfa.c
@@ -178,6 +178,7 @@ enum
     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,
@@ -960,8 +961,7 @@ nfa_regatom()
 		    break;
 
 		case 'V':
-		    /* TODO: not supported yet */
-		    return FAIL;
+		    EMIT(NFA_VISUAL);
 		    break;
 
 		case '[':
@@ -4733,6 +4733,13 @@ nfa_regmatch(prog, start, submatch, m)
 							    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 */
 	      {
 		int c = t->state->c;
diff --git a/src/testdir/test64.in b/src/testdir/test64.in
--- a/src/testdir/test64.in
+++ b/src/testdir/test64.in
@@ -458,6 +458,14 @@ y$Gop:"
 :.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
@@ -520,4 +528,10 @@ xxxstart2
 asdfasd<yy
 xxstart3
 
+Visual:
+thexe the thexethe
+andaxand andaxand
+oooxofor foroxooo
+oooxofor foroxooo
+
 Results of test64:
diff --git a/src/testdir/test64.ok b/src/testdir/test64.ok
--- a/src/testdir/test64.ok
+++ b/src/testdir/test64.ok
@@ -857,6 +857,11 @@ 192.168.0.1
 ghi
 
 xxstart3
+
+thexE thE thExethe
+AndAxAnd AndAxAnd
+oooxOfOr fOrOxooo
+oooxOfOr fOrOxooo
 -0-
 ffo
 bob
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -729,6 +729,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1112,
+/**/
     1111,
 /**/
     1110,