Avoid empty-if warnings.

[bison.git] / src / location.c

diff --git a/src/location.c b/src/location.c
index 4773163ff4346c999f85b56177b95b273ba773d1..98627a559c2c02204d43c55e33b422dd7b12f412 100644 (file)
--- a/src/location.c
+++ b/src/location.c
@@ -1,22 +1,20 @@
 /* Locations for Bison
 /* Locations for Bison

-   Copyright (C) 2002, 2005, 2006 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.

 
    This file is part of Bison, the GNU Compiler Compiler.
 
 
    This file is part of Bison, the GNU Compiler Compiler.
 

-   Bison is free software; you can redistribute it and/or modify
+   This program is free software: you can redistribute it and/or modify

    it under the terms of the GNU General Public License as published by
    it under the terms of the GNU General Public License as published by

-   the Free Software Foundation; either version 2, or (at your option)
-   any later version.
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.

 
 

-   Bison is distributed in the hope that it will be useful,
+   This program is distributed in the hope that it will be useful,

    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License

-   along with Bison; see the file COPYING.  If not, write to
-   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-   Boston, MA 02110-1301, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

 
 #include <config.h>
 #include "system.h"
 
 #include <config.h>
 #include "system.h"


@@ -27,7 +25,7 @@
 #include "complain.h"
 #include "location.h"
 
 #include "complain.h"
 #include "location.h"
 

-location const empty_location;
+location const empty_location = EMPTY_LOCATION_INIT;

 
 /* If BUF is null, add BUFSIZE (which in this case must be less than
    INT_MAX) to COLUMN; otherwise, add mbsnwidth (BUF, BUFSIZE, 0) to
 
 /* If BUF is null, add BUFSIZE (which in this case must be less than
    INT_MAX) to COLUMN; otherwise, add mbsnwidth (BUF, BUFSIZE, 0) to


@@ -103,9 +101,11 @@ void
 location_print (FILE *out, location loc)
 {
   int end_col = 0 < loc.end.column ? loc.end.column - 1 : 0;
 location_print (FILE *out, location loc)
 {
   int end_col = 0 < loc.end.column ? loc.end.column - 1 : 0;

-  fprintf (out, "%s:%d.%d",
+  fprintf (out, "%s:%d",

           quotearg_n_style (3, escape_quoting_style, loc.start.file),
           quotearg_n_style (3, escape_quoting_style, loc.start.file),

-          loc.start.line, loc.start.column);
+          loc.start.line);
+  if (0 <= loc.start.column)
+    fprintf (out, ".%d", loc.start.column);

 
   if (loc.start.file != loc.end.file)
     fprintf (out, "-%s:%d.%d",
 
   if (loc.start.file != loc.end.file)
     fprintf (out, "-%s:%d.%d",


@@ -113,6 +113,22 @@ location_print (FILE *out, location loc)
             loc.end.line, end_col);
   else if (loc.start.line < loc.end.line)
     fprintf (out, "-%d.%d", loc.end.line, end_col);
             loc.end.line, end_col);
   else if (loc.start.line < loc.end.line)
     fprintf (out, "-%d.%d", loc.end.line, end_col);

-  else if (loc.start.column < end_col)
+  else if (0 <= loc.start.column && loc.start.column < end_col)

     fprintf (out, "-%d", end_col);
 }
     fprintf (out, "-%d", end_col);
 }

+
+void
+boundary_set_from_string (boundary *bound, char *loc_str)
+{
+  /* Must search in reverse since the file name field may
+   * contain `.' or `:'.  */
+  char *delim = strrchr (loc_str, '.');
+  aver (delim);
+  *delim = '\0';
+  bound->column = atoi (delim+1);
+  delim = strrchr (loc_str, ':');
+  aver (delim);
+  *delim = '\0';
+  bound->line = atoi (delim+1);
+  bound->file = uniqstr_new (loc_str);
+}