cpplib.h (enum file_change_code): Added rename_file.

* cpplib.h (enum file_change_code): Added rename_file.
* cpplib.c (do_line): If a filename is given, set file_change to
rename_file.
(output_line_command): If file_change is rename_file, always
output a # directive with the file name.

From-SVN: r32215

gcc/ChangeLog

 2000-02-27  Alexandre Oliva  <oliva@lsd.ic.unicamp.br>
 
+	* cpplib.h (enum file_change_code): Added rename_file.
+	* cpplib.c (do_line): If a filename is given, set file_change to
+	rename_file.
+	(output_line_command): If file_change is rename_file, always
+	output a # directive with the file name.
+
 	* cpplib.c (do_pragma): Accept #pragma without consecutive token.
 
 2000-02-26  Mark Mitchell  <mark@codesourcery.com>

gcc/cpplib.c

@@ -965,7 +965,7 @@ output_line_command (pfile, file_change)
   CPP_ADJUST_WRITTEN (pfile, strlen (CPP_PWRITTEN (pfile)));
 
   quote_string (pfile, ip->nominal_fname); 
-  if (file_change != same_file)
+  if (file_change != same_file && file_change != rename_file)
     {
       CPP_PUTC_Q (pfile, ' ');
       CPP_PUTC_Q (pfile, file_change == enter_file ? '1' : '2');
@@ -1358,6 +1358,8 @@ do_line (pfile, keyword)
       U_CHAR *end_name = CPP_PWRITTEN (pfile) - 1;
       int action_number = 0;
 
+      file_change = rename_file;
+
       if (read_line_number (pfile, &action_number))
 	{
 	  if (CPP_PEDANTIC (pfile))

gcc/cpplib.h

@@ -699,7 +699,7 @@ extern void cpp_scan_buffer		PARAMS ((cpp_reader *));
 extern int check_macro_name		PARAMS ((cpp_reader *, const U_CHAR *));
 
 /* Last arg to output_line_command.  */
-enum file_change_code {same_file, enter_file, leave_file};
+enum file_change_code {same_file, rename_file, enter_file, leave_file};
 extern void output_line_command		PARAMS ((cpp_reader *,
 						 enum file_change_code));