c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA and CPP_PRAGMA_EOL.

	* c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
	and CPP_PRAGMA_EOL.
	* c-pragma.c (pragma_ns_name): New typedef.
	(registered_pp_pragmas): New variable.
	(c_pp_lookup_pragma): New function.
	(c_register_pragma_1): If flag_preprocess_only, do nothing
	for non-expanded pragmas, for expanded ones push pragma's
	namespace and name into registered_pp_pragmas vector.
	(c_invoke_pragma_handler): Register OpenMP pragmas even when
	flag_preprocess_only, don't register GCC pch_preprocess
	pragma if flag_preprocess_only.
	* c-opts.c (c_common_init): Call init_pragma even if
	flag_preprocess_only.
	* c-pragma.c (c_pp_lookup_pragma): New prototype.
	* config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
	cpp_register_pragma if flag_preprocess_only.

	* gcc.dg/gomp/preprocess-1.c: New test.

From-SVN: r132703

1 files changed, 20 insertions, 3 deletions

diff --git a/gcc/c-ppoutput.c b/gcc/c-ppoutput.c
index f02d6cd..6a251fe 100644
--- a/gcc/c-ppoutput.c
+++ b/gcc/c-ppoutput.c
@@ -1,6 +1,6 @@
 /* Preprocess only, using cpplib.
-   Copyright (C) 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007
-   Free Software Foundation, Inc.
+   Copyright (C) 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007,
+   2008 Free Software Foundation, Inc.
    Written by Per Bothner, 1994-95.
 
    This program is free software; you can redistribute it and/or modify it
@@ -177,7 +177,24 @@ scan_translation_unit (cpp_reader *pfile)
       avoid_paste = false;
       print.source = NULL;
       print.prev = token;
-      cpp_output_token (token, print.outf);
+      if (token->type == CPP_PRAGMA)
+	{
+	  const char *space;
+	  const char *name;
+
+	  maybe_print_line (token->src_loc);
+	  fputs ("#pragma ", print.outf);
+	  c_pp_lookup_pragma (token->val.pragma, &space, &name);
+	  if (space)
+	    fprintf (print.outf, "%s %s", space, name);
+	  else
+	    fprintf (print.outf, "%s", name);
+	  print.printed = 1;
+	}
+      else if (token->type == CPP_PRAGMA_EOL)
+	maybe_print_line (token->src_loc);
+      else
+	cpp_output_token (token, print.outf);
 
       if (token->type == CPP_COMMENT)
 	account_for_newlines (token->val.str.text, token->val.str.len);