To: vim_dev@googlegroups.com
Subject: Patch 7.4.658
Fcc: outbox
From: Bram Moolenaar <Bram@moolenaar.net>
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------------

Patch 7.4.658
Problem:    'formatexpr' is evaluated too often.
Solution:   Only invoke it when beyond the 'textwidth' column, as it is
	    documented. (James McCoy)
Files:	    src/edit.c


*** ../vim-7.4.657/src/edit.c	2015-03-05 18:08:38.893104412 +0100
--- src/edit.c	2015-03-08 14:42:36.495743590 +0100
***************
*** 5879,5886 ****
      char_u	*p;
  #endif
      int		fo_ins_blank;
  
!     textwidth = comp_textwidth(flags & INSCHAR_FORMAT);
      fo_ins_blank = has_format_option(FO_INS_BLANK);
  
      /*
--- 5879,5887 ----
      char_u	*p;
  #endif
      int		fo_ins_blank;
+     int		force_format = flags & INSCHAR_FORMAT;
  
!     textwidth = comp_textwidth(force_format);
      fo_ins_blank = has_format_option(FO_INS_BLANK);
  
      /*
***************
*** 5899,5905 ****
       *	      before 'textwidth'
       */
      if (textwidth > 0
! 	    && ((flags & INSCHAR_FORMAT)
  		|| (!vim_iswhite(c)
  		    && !((State & REPLACE_FLAG)
  #ifdef FEAT_VREPLACE
--- 5900,5906 ----
       *	      before 'textwidth'
       */
      if (textwidth > 0
! 	    && (force_format
  		|| (!vim_iswhite(c)
  		    && !((State & REPLACE_FLAG)
  #ifdef FEAT_VREPLACE
***************
*** 5916,5924 ****
  	/* Format with 'formatexpr' when it's set.  Use internal formatting
  	 * when 'formatexpr' isn't set or it returns non-zero. */
  #if defined(FEAT_EVAL)
! 	int do_internal = TRUE;
  
! 	if (*curbuf->b_p_fex != NUL && (flags & INSCHAR_NO_FEX) == 0)
  	{
  	    do_internal = (fex_format(curwin->w_cursor.lnum, 1L, c) != 0);
  	    /* It may be required to save for undo again, e.g. when setline()
--- 5917,5928 ----
  	/* Format with 'formatexpr' when it's set.  Use internal formatting
  	 * when 'formatexpr' isn't set or it returns non-zero. */
  #if defined(FEAT_EVAL)
! 	int     do_internal = TRUE;
! 	colnr_T virtcol = get_nolist_virtcol()
! 				  + char2cells(c != NUL ? c : gchar_cursor());
  
! 	if (*curbuf->b_p_fex != NUL && (flags & INSCHAR_NO_FEX) == 0
! 		&& (force_format || virtcol > (colnr_T)textwidth))
  	{
  	    do_internal = (fex_format(curwin->w_cursor.lnum, 1L, c) != 0);
  	    /* It may be required to save for undo again, e.g. when setline()
*** ../vim-7.4.657/src/version.c	2015-03-06 22:00:06.817456968 +0100
--- src/version.c	2015-03-08 14:46:45.836912488 +0100
***************
*** 743,744 ****
--- 743,746 ----
  {   /* Add new patch number below this line */
+ /**/
+     658,
  /**/

-- 
I have to exercise early in the morning before my brain
figures out what I'm doing.

 /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net   \\\
///        sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
\\\  an exciting new programming language -- http://www.Zimbu.org        ///
 \\\            help me help AIDS victims -- http://ICCF-Holland.org    ///