cpphash.h (_cpp_read_logical_line_trad, [...]): Update prototypes.

	* cpphash.h (_cpp_read_logical_line_trad,
	_cpp_expansions_different_trad): Update prototypes.
	* cpplex.c (continue_after_nul): New.
	* cppmain.c: Include cpphash.h.
	(scan_translation_unit_trad): New.
	(cpp_preprocess_file): Call it.
	* cpptrad.c (_cpp_read_logical_line_trad): Take new parameter
	overlay.
	(_cpp_expansions_different_trad): Update prototype.

From-SVN: r54446

5 files changed, 53 insertions, 13 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index dac47a6..4409487 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,15 @@
+2002-06-10  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+	* cpphash.h (_cpp_read_logical_line_trad,
+	_cpp_expansions_different_trad): Update prototypes.
+	* cpplex.c (continue_after_nul): New.
+	* cppmain.c: Include cpphash.h.
+	(scan_translation_unit_trad): New.
+	(cpp_preprocess_file): Call it.
+	* cpptrad.c (_cpp_read_logical_line_trad): Take new parameter
+	overlay.
+	(_cpp_expansions_different_trad): Update prototype.
+
 Mon Jun 10 18:02:24 2002  J"orn Rennecke <joern.rennecke@superh.com>
 
 	Fix cfi generation for SH[1-4]:
diff --git a/gcc/cpphash.h b/gcc/cpphash.h
index 6d41ead..0fa3e13 100644
--- a/gcc/cpphash.h
+++ b/gcc/cpphash.h
@@ -510,13 +510,14 @@ extern void _cpp_do_file_change PARAMS ((cpp_reader *, enum lc_reason,
 extern void _cpp_pop_buffer PARAMS ((cpp_reader *));
 
 /* In cpptrad.c.  */
-extern bool _cpp_read_logical_line_trad PARAMS ((cpp_reader *));
+extern bool _cpp_read_logical_line_trad PARAMS ((cpp_reader *, int));
 extern void _cpp_overlay_buffer PARAMS ((cpp_reader *pfile, const uchar *,
 					 size_t));
 extern cpp_hashnode *_cpp_lex_identifier_trad PARAMS ((cpp_reader *));
 extern void _cpp_set_trad_context PARAMS ((cpp_reader *));
 extern bool _cpp_create_trad_definition PARAMS ((cpp_reader *, cpp_macro *));
-extern bool _cpp_expansions_different_trad PARAMS ((cpp_macro *, cpp_macro *));
+extern bool _cpp_expansions_different_trad PARAMS ((const cpp_macro *,
+						    const cpp_macro *));
 
 /* Utility routines and macros.  */
 #define DSC(str) (const uchar *)str, sizeof str - 1
diff --git a/gcc/cpplex.c b/gcc/cpplex.c
index 0dd9d22..66eb01f 100644
--- a/gcc/cpplex.c
+++ b/gcc/cpplex.c
@@ -891,7 +891,7 @@ continue_after_nul (pfile)
 
   buffer->saved_flags = BOL;
   if (CPP_OPTION (pfile, traditional))
-    more = _cpp_read_logical_line_trad (pfile);
+    more = _cpp_read_logical_line_trad (pfile, true);
   else
     {
       /* Stop parsing arguments with a CPP_EOF.  When we finally come
diff --git a/gcc/cppmain.c b/gcc/cppmain.c
index b04e86f..a5487e7 100644
--- a/gcc/cppmain.c
+++ b/gcc/cppmain.c
@@ -24,6 +24,7 @@ Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 #include "config.h"
 #include "system.h"
 #include "cpplib.h"
+#include "cpphash.h"
 #include "intl.h"
 
 /* Encapsulates state used to convert the stream of tokens coming from
@@ -42,6 +43,7 @@ static void setup_callbacks PARAMS ((cpp_reader *));
 
 /* General output routines.  */
 static void scan_translation_unit PARAMS ((cpp_reader *));
+static void scan_translation_unit_trad PARAMS ((cpp_reader *));
 static void check_multiline_token PARAMS ((const cpp_string *));
 static int dump_macro PARAMS ((cpp_reader *, cpp_hashnode *, void *));
 
@@ -104,6 +106,8 @@ cpp_preprocess_file (pfile)
 	 cpp_scan_nooutput or cpp_get_token next.  */
       if (options->no_output)
 	cpp_scan_nooutput (pfile);
+      else if (options->traditional)
+	scan_translation_unit_trad (pfile);
       else
 	scan_translation_unit (pfile);
 
@@ -217,6 +221,22 @@ check_multiline_token (str)
       print.line++;
 }
 
+static void
+scan_translation_unit_trad (pfile)
+     cpp_reader *pfile;
+{
+  bool more;
+  size_t len;
+
+  do
+    {
+      more = _cpp_read_logical_line_trad (pfile, false);
+      len = pfile->trad_out_cur - pfile->trad_out_base;
+      fwrite (pfile->trad_out_base, 1, len, print.outf);
+    }
+  while (more);
+}
+
 /* If the token read on logical line LINE needs to be output on a
    different line to the current one, output the required newlines or
    a line marker, and return 1.  Otherwise return 0.  */
diff --git a/gcc/cpptrad.c b/gcc/cpptrad.c
index 4a76f96..18d5adb 100644
--- a/gcc/cpptrad.c
+++ b/gcc/cpptrad.c
@@ -298,15 +298,18 @@ restore_buff (pfile)
 /* Reads a logical line into the output buffer.  Returns TRUE if there
    is more text left in the buffer.  */
 bool
-_cpp_read_logical_line_trad (pfile)
+_cpp_read_logical_line_trad (pfile, overlay)
      cpp_reader *pfile;
+     int overlay;
 {
   cpp_buffer *buffer;
-  unsigned int first_line;
+  unsigned int first_line = 0;
 
-  restore_buff (pfile);
-
-  first_line = pfile->line = pfile->trad_line;
+  if (overlay)
+    {
+      restore_buff (pfile);
+      first_line = pfile->line = pfile->trad_line;
+    }
 
   buffer = pfile->buffer;
   if (buffer->cur == buffer->rlimit)
@@ -330,10 +333,14 @@ _cpp_read_logical_line_trad (pfile)
   scan_out_logical_line (pfile, NULL);
   buffer->cur = CUR (pfile->context);
 
-  pfile->trad_line = pfile->line;
-  pfile->line = first_line;
-  _cpp_overlay_buffer (pfile, pfile->trad_out_base,
-		       pfile->trad_out_cur - pfile->trad_out_base);
+  if (overlay)
+    {
+      pfile->trad_line = pfile->line;
+      pfile->line = first_line;
+      _cpp_overlay_buffer (pfile, pfile->trad_out_base,
+			   pfile->trad_out_cur - pfile->trad_out_base);
+    }
+
   return true;
 }
 
@@ -855,7 +862,7 @@ canonicalize_text (dest, src, len, pquote)
    than in the form of their whitespace.  */
 bool
 _cpp_expansions_different_trad (macro1, macro2)
-     cpp_macro *macro1, *macro2;
+     const cpp_macro *macro1, *macro2;
 {
   uchar *p1 = xmalloc (macro1->count + macro2->count);
   uchar *p2 = p1 + macro1->count;