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To: vim_dev@googlegroups.com
Subject: Patch 7.4.262
Fcc: outbox
From: Bram Moolenaar <Bram@moolenaar.net>
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------------

Patch 7.4.262
Problem:    Duplicate code in regexec().
Solution:   Add line_lbr flag to regexec_nl().
Files:	    src/regexp.c, src/regexp_nfa.c, src/regexp.h


*** ../vim-7.4.261/src/regexp.c	2014-04-23 18:48:43.546854558 +0200
--- src/regexp.c	2014-04-23 18:59:38.606838773 +0200
***************
*** 3709,3733 ****
  /* TRUE if using multi-line regexp. */
  #define REG_MULTI	(reg_match == NULL)
  
! static int  bt_regexec __ARGS((regmatch_T *rmp, char_u *line, colnr_T col));
  
  /*
   * Match a regexp against a string.
   * "rmp->regprog" is a compiled regexp as returned by vim_regcomp().
   * Uses curbuf for line count and 'iskeyword'.
   *
   * Return TRUE if there is a match, FALSE if not.
   */
      static int
! bt_regexec(rmp, line, col)
      regmatch_T	*rmp;
      char_u	*line;	/* string to match against */
      colnr_T	col;	/* column to start looking for match */
  {
      reg_match = rmp;
      reg_mmatch = NULL;
      reg_maxline = 0;
!     reg_line_lbr = FALSE;
      reg_buf = curbuf;
      reg_win = NULL;
      ireg_ic = rmp->rm_ic;
--- 3709,3736 ----
  /* TRUE if using multi-line regexp. */
  #define REG_MULTI	(reg_match == NULL)
  
! static int  bt_regexec_nl __ARGS((regmatch_T *rmp, char_u *line, colnr_T col, int line_lbr));
! 
  
  /*
   * Match a regexp against a string.
   * "rmp->regprog" is a compiled regexp as returned by vim_regcomp().
   * Uses curbuf for line count and 'iskeyword'.
+  * if "line_lbr" is TRUE  consider a "\n" in "line" to be a line break.
   *
   * Return TRUE if there is a match, FALSE if not.
   */
      static int
! bt_regexec_nl(rmp, line, col, line_lbr)
      regmatch_T	*rmp;
      char_u	*line;	/* string to match against */
      colnr_T	col;	/* column to start looking for match */
+     int		line_lbr;
  {
      reg_match = rmp;
      reg_mmatch = NULL;
      reg_maxline = 0;
!     reg_line_lbr = line_lbr;
      reg_buf = curbuf;
      reg_win = NULL;
      ireg_ic = rmp->rm_ic;
***************
*** 3738,3772 ****
      return (bt_regexec_both(line, col, NULL) != 0);
  }
  
- #if defined(FEAT_MODIFY_FNAME) || defined(FEAT_EVAL) \
- 	|| defined(FIND_REPLACE_DIALOG) || defined(PROTO)
- 
- static int  bt_regexec_nl __ARGS((regmatch_T *rmp, char_u *line, colnr_T col));
- 
- /*
-  * Like vim_regexec(), but consider a "\n" in "line" to be a line break.
-  */
-     static int
- bt_regexec_nl(rmp, line, col)
-     regmatch_T	*rmp;
-     char_u	*line;	/* string to match against */
-     colnr_T	col;	/* column to start looking for match */
- {
-     reg_match = rmp;
-     reg_mmatch = NULL;
-     reg_maxline = 0;
-     reg_line_lbr = TRUE;
-     reg_buf = curbuf;
-     reg_win = NULL;
-     ireg_ic = rmp->rm_ic;
- #ifdef FEAT_MBYTE
-     ireg_icombine = FALSE;
- #endif
-     ireg_maxcol = 0;
-     return (bt_regexec_both(line, col, NULL) != 0);
- }
- #endif
- 
  static long bt_regexec_multi __ARGS((regmmatch_T *rmp, win_T *win, buf_T *buf, linenr_T lnum, colnr_T col, proftime_T *tm));
  
  /*
--- 3741,3746 ----
***************
*** 7985,7995 ****
  {
      bt_regcomp,
      bt_regfree,
-     bt_regexec,
- #if defined(FEAT_MODIFY_FNAME) || defined(FEAT_EVAL) \
- 	|| defined(FIND_REPLACE_DIALOG) || defined(PROTO)
      bt_regexec_nl,
- #endif
      bt_regexec_multi
  #ifdef DEBUG
      ,(char_u *)""
--- 7959,7965 ----
***************
*** 8003,8013 ****
  {
      nfa_regcomp,
      nfa_regfree,
-     nfa_regexec,
- #if defined(FEAT_MODIFY_FNAME) || defined(FEAT_EVAL) \
- 	|| defined(FIND_REPLACE_DIALOG) || defined(PROTO)
      nfa_regexec_nl,
- #endif
      nfa_regexec_multi
  #ifdef DEBUG
      ,(char_u *)""
--- 7973,7979 ----
***************
*** 8131,8137 ****
      char_u      *line;  /* string to match against */
      colnr_T     col;    /* column to start looking for match */
  {
!     return rmp->regprog->engine->regexec(rmp, line, col);
  }
  
  #if defined(FEAT_MODIFY_FNAME) || defined(FEAT_EVAL) \
--- 8097,8103 ----
      char_u      *line;  /* string to match against */
      colnr_T     col;    /* column to start looking for match */
  {
!     return rmp->regprog->engine->regexec_nl(rmp, line, col, FALSE);
  }
  
  #if defined(FEAT_MODIFY_FNAME) || defined(FEAT_EVAL) \
***************
*** 8145,8151 ****
      char_u *line;
      colnr_T col;
  {
!     return rmp->regprog->engine->regexec_nl(rmp, line, col);
  }
  #endif
  
--- 8111,8117 ----
      char_u *line;
      colnr_T col;
  {
!     return rmp->regprog->engine->regexec_nl(rmp, line, col, TRUE);
  }
  #endif
  
*** ../vim-7.4.261/src/regexp_nfa.c	2014-04-06 21:33:39.675363743 +0200
--- src/regexp_nfa.c	2014-04-23 19:00:44.354837189 +0200
***************
*** 311,317 ****
  static long nfa_regexec_both __ARGS((char_u *line, colnr_T col));
  static regprog_T *nfa_regcomp __ARGS((char_u *expr, int re_flags));
  static void nfa_regfree __ARGS((regprog_T *prog));
! static int nfa_regexec __ARGS((regmatch_T *rmp, char_u *line, colnr_T col));
  static long nfa_regexec_multi __ARGS((regmmatch_T *rmp, win_T *win, buf_T *buf, linenr_T lnum, colnr_T col, proftime_T *tm));
  static int match_follows __ARGS((nfa_state_T *startstate, int depth));
  static int failure_chance __ARGS((nfa_state_T *state, int depth));
--- 311,317 ----
  static long nfa_regexec_both __ARGS((char_u *line, colnr_T col));
  static regprog_T *nfa_regcomp __ARGS((char_u *expr, int re_flags));
  static void nfa_regfree __ARGS((regprog_T *prog));
! static int  nfa_regexec_nl __ARGS((regmatch_T *rmp, char_u *line, colnr_T col, int line_lbr));
  static long nfa_regexec_multi __ARGS((regmmatch_T *rmp, win_T *win, buf_T *buf, linenr_T lnum, colnr_T col, proftime_T *tm));
  static int match_follows __ARGS((nfa_state_T *startstate, int depth));
  static int failure_chance __ARGS((nfa_state_T *state, int depth));
***************
*** 7060,7078 ****
   * Match a regexp against a string.
   * "rmp->regprog" is a compiled regexp as returned by nfa_regcomp().
   * Uses curbuf for line count and 'iskeyword'.
   *
   * Return TRUE if there is a match, FALSE if not.
   */
      static int
! nfa_regexec(rmp, line, col)
      regmatch_T	*rmp;
      char_u	*line;	/* string to match against */
      colnr_T	col;	/* column to start looking for match */
  {
      reg_match = rmp;
      reg_mmatch = NULL;
      reg_maxline = 0;
!     reg_line_lbr = FALSE;
      reg_buf = curbuf;
      reg_win = NULL;
      ireg_ic = rmp->rm_ic;
--- 7060,7080 ----
   * Match a regexp against a string.
   * "rmp->regprog" is a compiled regexp as returned by nfa_regcomp().
   * Uses curbuf for line count and 'iskeyword'.
+  * If "line_lbr" is TRUE consider a "\n" in "line" to be a line break.
   *
   * Return TRUE if there is a match, FALSE if not.
   */
      static int
! nfa_regexec_nl(rmp, line, col, line_lbr)
      regmatch_T	*rmp;
      char_u	*line;	/* string to match against */
      colnr_T	col;	/* column to start looking for match */
+     int		line_lbr;
  {
      reg_match = rmp;
      reg_mmatch = NULL;
      reg_maxline = 0;
!     reg_line_lbr = line_lbr;
      reg_buf = curbuf;
      reg_win = NULL;
      ireg_ic = rmp->rm_ic;
***************
*** 7083,7117 ****
      return (nfa_regexec_both(line, col) != 0);
  }
  
- #if defined(FEAT_MODIFY_FNAME) || defined(FEAT_EVAL) \
- 	|| defined(FIND_REPLACE_DIALOG) || defined(PROTO)
- 
- static int  nfa_regexec_nl __ARGS((regmatch_T *rmp, char_u *line, colnr_T col));
- 
- /*
-  * Like nfa_regexec(), but consider a "\n" in "line" to be a line break.
-  */
-     static int
- nfa_regexec_nl(rmp, line, col)
-     regmatch_T	*rmp;
-     char_u	*line;	/* string to match against */
-     colnr_T	col;	/* column to start looking for match */
- {
-     reg_match = rmp;
-     reg_mmatch = NULL;
-     reg_maxline = 0;
-     reg_line_lbr = TRUE;
-     reg_buf = curbuf;
-     reg_win = NULL;
-     ireg_ic = rmp->rm_ic;
- #ifdef FEAT_MBYTE
-     ireg_icombine = FALSE;
- #endif
-     ireg_maxcol = 0;
-     return (nfa_regexec_both(line, col) != 0);
- }
- #endif
- 
  
  /*
   * Match a regexp against multiple lines.
--- 7085,7090 ----
*** ../vim-7.4.261/src/regexp.h	2013-06-11 10:53:14.000000000 +0200
--- src/regexp.h	2014-04-23 18:58:18.614840701 +0200
***************
*** 149,159 ****
  {
      regprog_T	*(*regcomp)(char_u*, int);
      void	(*regfree)(regprog_T *);
!     int		(*regexec)(regmatch_T*, char_u*, colnr_T);
! #if defined(FEAT_MODIFY_FNAME) || defined(FEAT_EVAL) \
! 	|| defined(FIND_REPLACE_DIALOG) || defined(PROTO)
!     int		(*regexec_nl)(regmatch_T*, char_u*, colnr_T);
! #endif
      long	(*regexec_multi)(regmmatch_T*, win_T*, buf_T*, linenr_T, colnr_T, proftime_T*);
  #ifdef DEBUG
      char_u	*expr;
--- 149,155 ----
  {
      regprog_T	*(*regcomp)(char_u*, int);
      void	(*regfree)(regprog_T *);
!     int		(*regexec_nl)(regmatch_T*, char_u*, colnr_T, int);
      long	(*regexec_multi)(regmmatch_T*, win_T*, buf_T*, linenr_T, colnr_T, proftime_T*);
  #ifdef DEBUG
      char_u	*expr;
*** ../vim-7.4.261/src/version.c	2014-04-23 18:48:43.546854558 +0200
--- src/version.c	2014-04-23 18:52:20.102849340 +0200
***************
*** 736,737 ****
--- 736,739 ----
  {   /* Add new patch number below this line */
+ /**/
+     262,
  /**/

-- 
From "know your smileys":
 ~#:-(	I just washed my hair, and I can't do nuthin' with it.

 /// 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    ///