maint: get gpl-3.0 from gnulib

[bison.git] / src / location.c

diff --git a/src/location.c b/src/location.c
index b5232bc1b7a81ff9d962d5b84ef74ac5bf27fbd5..281a8870f9bce339e28d549e79a01a616a85cfc4 100644 (file)
--- a/src/location.c
+++ b/src/location.c
@@ -1,22 +1,21 @@
 /* Locations for Bison
 /* Locations for Bison

-   Copyright (C) 2002, 2005, 2006 Free Software Foundation, Inc.
+
+   Copyright (C) 2002, 2005-2012 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"


@@ -43,7 +42,7 @@ add_column_width (int column, char const *buf, size_t bufsize)
   if (buf)
     {
       if (INT_MAX / 2 <= bufsize)
   if (buf)
     {
       if (INT_MAX / 2 <= bufsize)

-       return INT_MAX;
+        return INT_MAX;

       width = mbsnwidth (buf, bufsize, 0);
     }
   else
       width = mbsnwidth (buf, bufsize, 0);
     }
   else


@@ -70,19 +69,19 @@ location_compute (location *loc, boundary *cur, char const *token, size_t size)
     switch (*p)
       {
       case '\n':
     switch (*p)
       {
       case '\n':

-       line += line < INT_MAX;
-       column = 1;
-       p0 = p + 1;
-       break;
+        line += line < INT_MAX;
+        column = 1;
+        p0 = p + 1;
+        break;

 
       case '\t':
 
       case '\t':

-       column = add_column_width (column, p0, p - p0);
-       column = add_column_width (column, NULL, 8 - ((column - 1) & 7));
-       p0 = p + 1;
-       break;
+        column = add_column_width (column, p0, p - p0);
+        column = add_column_width (column, NULL, 8 - ((column - 1) & 7));
+        p0 = p + 1;
+        break;

 
       default:
 
       default:

-       break;
+        break;

       }
 
   cur->line = line;
       }
 
   cur->line = line;


@@ -99,20 +98,58 @@ location_compute (location *loc, boundary *cur, char const *token, size_t size)
 
 /* Output to OUT the location LOC.
    Warning: it uses quotearg's slot 3.  */
 
 /* Output to OUT the location LOC.
    Warning: it uses quotearg's slot 3.  */

-void
+unsigned

 location_print (FILE *out, location loc)
 {
 location_print (FILE *out, location loc)
 {

-  int end_col = 0 < loc.end.column ? loc.end.column - 1 : 0;
-  fprintf (out, "%s:%d.%d",
-          quotearg_n_style (3, escape_quoting_style, loc.start.file),
-          loc.start.line, loc.start.column);
-
+  unsigned res = 0;
+  int end_col = 0 != loc.end.column ? loc.end.column - 1 : 0;
+  res += fprintf (out, "%s",
+                  quotearg_n_style (3, escape_quoting_style, loc.start.file));
+  if (0 <= loc.start.line)
+    {
+      res += fprintf(out, ":%d", loc.start.line);
+      if (0 <= loc.start.column)
+        res += fprintf (out, ".%d", loc.start.column);
+    }

   if (loc.start.file != loc.end.file)
   if (loc.start.file != loc.end.file)

-    fprintf (out, "-%s:%d.%d",
-            quotearg_n_style (3, escape_quoting_style, loc.end.file),
-            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)
-    fprintf (out, "-%d", end_col);
+    {
+      res += fprintf (out, "-%s",
+                      quotearg_n_style (3, escape_quoting_style,
+                                        loc.end.file));
+      if (0 <= loc.end.line)
+        {
+          res += fprintf(out, ":%d", loc.end.line);
+          if (0 <= end_col)
+            res += fprintf (out, ".%d", end_col);
+        }
+    }
+  else if (0 <= loc.end.line)
+    {
+      if (loc.start.line < loc.end.line)
+        {
+          res += fprintf (out, "-%d", loc.end.line);
+          if (0 <= end_col)
+            res += fprintf (out, ".%d", end_col);
+        }
+      else if (0 <= end_col && loc.start.column < end_col)
+        res += fprintf (out, "-%d", end_col);
+    }
+
+  return res;
+}
+
+void
+boundary_set_from_string (boundary *bound, char *loc_str)
+{
+  /* Must search in reverse since the file name field may
+   * contain `.' or `:'.  */
+  char *delim = mbsrchr (loc_str, '.');
+  aver (delim);
+  *delim = '\0';
+  bound->column = atoi (delim+1);
+  delim = mbsrchr (loc_str, ':');
+  aver (delim);
+  *delim = '\0';
+  bound->line = atoi (delim+1);
+  bound->file = uniqstr_new (loc_str);

 }
 }