Makefile.in: Update.

	* Makefile.in: Update.
	* c-common.c (flag_no_line_commands, flag_no_output,
	flag_dump_macros, flag_dump_includes): New.
	* c-common.h (flag_no_line_commands, flag_no_output,
	flag_dump_macros, flag_dump_includes, preprocess_file): New.
	(init_c_lex): Update prototype.
	* c-lex.c (init_c_lex): Update prototype; move some code to
	c_common_init.
	* c-opts.c (preprocess_file): Subsume into c_common_init.
	(c_common_decode_option): Update flags.
	(c_common_init): Move code from preprocess_file and init_c_lex.
	(sanitize_cpp_opts): Update.
	* c-ppoutput.c: New, cppmain.c almost verbatim.
	* cpphash.h (struct printer): Remove.
	(struct cpp_reader): Remove print.
	* cpplib.h (dump_none, dump_only, dump_names, dump_definitions,
	cpp_preprocess_file): Remove.
	(struct cpp_options): Remove no_output, no_line_commands, dump_macros
	and dump_includes.
	* cppmain.c: Remove.
	* doc/passes.texi: Update.

From-SVN: r63773

gcc/ChangeLog

+2003-03-04  Neil Booth  <neil@daikokuya.co.uk>
+
+	* Makefile.in: Update.
+	* c-common.c (flag_no_line_commands, flag_no_output,
+	flag_dump_macros, flag_dump_includes): New.
+	* c-common.h (flag_no_line_commands, flag_no_output,
+	flag_dump_macros, flag_dump_includes, preprocess_file): New.
+	(init_c_lex): Update prototype.
+	* c-lex.c (init_c_lex): Update prototype; move some code to
+	c_common_init.
+	* c-opts.c (preprocess_file): Subsume into c_common_init.
+	(c_common_decode_option): Update flags.
+	(c_common_init): Move code from preprocess_file and init_c_lex.
+	(sanitize_cpp_opts): Update.
+	* c-ppoutput.c: New, cppmain.c almost verbatim.
+	* cpphash.h (struct printer): Remove.
+	(struct cpp_reader): Remove print.
+	* cpplib.h (dump_none, dump_only, dump_names, dump_definitions,
+	cpp_preprocess_file): Remove.
+	(struct cpp_options): Remove no_output, no_line_commands, dump_macros
+	and dump_includes.
+	* cppmain.c: Remove.
+	* doc/passes.texi: Update.
+
 2003-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 
 	* function.c (STACK_ALIGNMENT_NEEDED): New macro.  Default to 1.

gcc/Makefile.in

@@ -759,7 +759,7 @@ CXX_TARGET_OBJS=@cxx_target_objs@
 # Language-specific object files for C and Objective C.
 C_AND_OBJC_OBJS = attribs.o c-errors.o c-lex.o c-pragma.o c-decl.o c-typeck.o \
   c-convert.o c-aux-info.o c-common.o c-opts.o c-format.o c-semantics.o \
-  c-incpath.o cppdefault.o \
+  c-incpath.o cppdefault.o c-ppoutput.o \
   c-objc-common.o c-dump.o c-pch.o libcpp.a $(C_TARGET_OBJS)
 
 # Language-specific object files for C.
@@ -1234,6 +1234,8 @@ c-lex.o : c-lex.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(TREE_H) \
     $(RTL_H) debug.h $(C_TREE_H) c-common.h real.h c-incpath.h cppdefault.h \
     c-pragma.h input.h intl.h flags.h toplev.h output.h \
     mbchar.h $(CPPLIB_H) $(EXPR_H) $(TM_P_H)
+c-ppoutput.o : c-ppoutput.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
+    c-common.h $(TREE_H) $(CPPLIB_H) cpphash.h $(TM_P_H)
 c-objc-common.o : c-objc-common.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(TREE_H) \
     $(C_TREE_H) $(RTL_H) insn-config.h integrate.h $(EXPR_H) $(C_TREE_H) \
     flags.h toplev.h tree-inline.h diagnostic.h integrate.h $(VARRAY_H) \
@@ -2275,7 +2277,7 @@ PREPROCESSOR_DEFINES = \
   @TARGET_SYSTEM_ROOT_DEFINE@
 
 LIBCPP_OBJS =	cpplib.o cpplex.o cppmacro.o cppexp.o cppfiles.o cpptrad.o \
-		cpphash.o cpperror.o cppinit.o cppmain.o \
+		cpphash.o cpperror.o cppinit.o \
 		hashtable.o line-map.o mkdeps.o prefix.o mbchar.o cpppch.o
 
 LIBCPP_DEPS =	$(CPPLIB_H) cpphash.h line-map.h hashtable.h intl.h \
@@ -2288,8 +2290,6 @@ libcpp.a: $(LIBCPP_OBJS)
 	$(AR) $(AR_FLAGS) libcpp.a $(LIBCPP_OBJS)
 	-$(RANLIB) libcpp.a
 
-cppmain.o:  cppmain.c  $(LIBCPP_DEPS)
-
 cpperror.o: cpperror.c $(LIBCPP_DEPS)
 cppexp.o:   cppexp.c   $(LIBCPP_DEPS)
 cpplex.o:   cpplex.c   $(LIBCPP_DEPS) mbchar.h

gcc/c-common.c

@@ -198,8 +198,26 @@ int allow_pch = 1;
 /* Switches common to the C front ends.  */
 
 /* Nonzero if prepreprocessing only.  */
+
 int flag_preprocess_only;
 
+/* Nonzero means don't output line number information.  */
+
+char flag_no_line_commands;
+
+/* Nonzero causes -E output not to be done, but directives such as
+   #define that have side effects are still obeyed.  */
+
+char flag_no_output;
+
+/* Nonzero means dump macros in some fashion.  */
+
+char flag_dump_macros;
+
+/* Nonzero means pass #include lines through to the output.  */
+
+char flag_dump_includes;
+
 /* The file name to which we should write a precompiled header, or
    NULL if no header will be written in this compile.  */
 

gcc/c-common.h

@@ -370,6 +370,24 @@ extern int allow_pch;
 
 extern int flag_preprocess_only;
 
+/* Nonzero means don't output line number information.  */
+
+extern char flag_no_line_commands;
+
+/* Nonzero causes -E output not to be done, but directives such as
+   #define that have side effects are still obeyed.  */
+
+extern char flag_no_output;
+
+/* Nonzero means dump macros in some fashion; contains the 'D', 'M' or
+   'N' of the command line switch.  */
+
+extern char flag_dump_macros;
+
+/* Nonzero means pass #include lines through to the output.  */
+
+extern char flag_dump_includes;
+
 /* The file name to which we should write a precompiled header, or
    NULL if no header will be written in this compile.  */
 
@@ -1243,7 +1261,7 @@ extern int c_staticp                            PARAMS ((tree));
 
 extern int c_common_unsafe_for_reeval		PARAMS ((tree));
 
-extern const char *init_c_lex			PARAMS ((const char *));
+extern void init_c_lex				PARAMS ((void));
 
 extern void cb_register_builtins		PARAMS ((cpp_reader *));
 
@@ -1274,5 +1292,8 @@ extern void c_common_read_pch			PARAMS ((cpp_reader *pfile,
 							 int fd,
 							 const char *orig));
 extern void c_common_write_pch			PARAMS ((void));
+extern void preprocess_file			PARAMS ((cpp_reader *,
+							 const char *,
+							 FILE *));
 
 #endif /* ! GCC_C_COMMON_H */

gcc/c-lex.c

@@ -93,9 +93,8 @@ static void cb_define		PARAMS ((cpp_reader *, unsigned int,
 static void cb_undef		PARAMS ((cpp_reader *, unsigned int,
 					 cpp_hashnode *));
 
-const char *
-init_c_lex (filename)
-     const char *filename;
+void
+init_c_lex ()
 {
   struct cpp_callbacks *cb;
   struct c_fileinfo *toplevel;
@@ -135,11 +134,6 @@ init_c_lex (filename)
       cb->define = cb_define;
       cb->undef = cb_undef;
     }
-
-  /* Start it at 0.  */
-  lineno = 0;
-
-  return cpp_read_main_file (parse_in, filename, ident_hash);
 }
 
 /* A thin wrapper around the real parser that initializes the 

gcc/c-opts.c

@@ -90,7 +90,6 @@ static void set_std_cxx98 PARAMS ((int));
 static void set_std_c89 PARAMS ((int, int));
 static void set_std_c99 PARAMS ((int));
 static void check_deps_environment_vars PARAMS ((void));
-static void preprocess_file PARAMS ((void));
 static void handle_deferred_opts PARAMS ((void));
 static void sanitize_cpp_opts PARAMS ((void));
 static void add_prefixed_path PARAMS ((const char *, size_t));
@@ -715,7 +714,7 @@ c_common_decode_option (argc, argv)
 	 depends on this.  Preprocessed output does occur if -MD, -MMD
 	 or environment var dependency generation is used.  */
       cpp_opts->deps.style = (code == OPT_M ? DEPS_SYSTEM: DEPS_USER);
-      cpp_opts->no_output = 1;
+      flag_no_output = 1;
       cpp_opts->inhibit_warnings = 1;
       break;
 
@@ -747,7 +746,7 @@ c_common_decode_option (argc, argv)
       break;
 
     case OPT_P:
-      cpp_opts->no_line_commands = 1;
+      flag_no_line_commands = 1;
       break;
 
     case OPT_Wabi:
@@ -1500,24 +1499,6 @@ c_common_post_options ()
   return flag_preprocess_only;
 }
 
-/* Preprocess the input file to out_stream.  */
-static void
-preprocess_file ()
-{
-  /* Open the output now.  We must do so even if no_output is on,
-     because there may be other output than from the actual
-     preprocessing (e.g. from -dM).  */
-  if (out_fname[0] == '\0')
-    out_stream = stdout;
-  else
-    out_stream = fopen (out_fname, "w");
-
-  if (out_stream == NULL)
-    fatal_io_error ("opening output file %s", out_fname);
-  else
-    cpp_preprocess_file (parse_in, in_fname, out_stream);
-}
-
 /* Front end initialization common to C, ObjC and C++.  */
 const char *
 c_common_init (filename)
@@ -1535,18 +1516,35 @@ c_common_init (filename)
      cpp_main_file.  */
   cpp_get_callbacks (parse_in)->register_builtins = cb_register_builtins;
 
-  /* NULL is passed up to toplev.c and we exit quickly.  */
   if (flag_preprocess_only)
     {
-      preprocess_file ();
+      /* Open the output now.  We must do so even if flag_no_output is
+	 on, because there may be other output than from the actual
+	 preprocessing (e.g. from -dM).  */
+      if (out_fname[0] == '\0')
+	out_stream = stdout;
+      else
+	out_stream = fopen (out_fname, "w");
+
+      if (out_stream == NULL)
+	fatal_io_error ("opening output file %s", out_fname);
+      else
+	/* Preprocess the input file to out_stream.  */
+	preprocess_file (parse_in, in_fname, out_stream);
+
+      /* Exit quickly in toplev.c.  */
       return NULL;
     }
 
-  /* Do this before initializing pragmas, as then cpplib's hash table
-     has been set up.  NOTE: we are using our own file name here, not
-     the one supplied.  */
-  filename = init_c_lex (in_fname);
+  init_c_lex ();
+
+  /* Start it at 0.  */
+  lineno = 0;
+
+  /* NOTE: we use in_fname here, not the one supplied.  */
+  filename = cpp_read_main_file (parse_in, in_fname, ident_hash);
 
+  /* Has to wait until now so that cpplib has its hash table.  */
   init_pragma ();
 
   return filename;
@@ -1665,16 +1663,16 @@ sanitize_cpp_opts ()
 
   /* -dM and dependencies suppress normal output; do it here so that
      the last -d[MDN] switch overrides earlier ones.  */
-  if (cpp_opts->dump_macros == dump_only)
-    cpp_opts->no_output = 1;
+  if (flag_dump_macros == 'M')
+    flag_no_output = 1;
 
   /* Disable -dD, -dN and -dI if normal output is suppressed.  Allow
      -dM since at least glibc relies on -M -dM to work.  */
-  if (cpp_opts->no_output)
+  if (flag_no_output)
     {
-      if (cpp_opts->dump_macros != dump_only)
-	cpp_opts->dump_macros = dump_none;
-      cpp_opts->dump_includes = 0;
+      if (flag_dump_macros != 'M')
+	flag_dump_macros = 0;
+      flag_dump_includes = 0;
     }
 
   cpp_opts->unsigned_char = !flag_signed_char;
@@ -1769,20 +1767,14 @@ handle_OPT_d (arg)
   while ((c = *arg++) != '\0')
     switch (c)
       {
-      case 'M':
-	cpp_opts->dump_macros = dump_only;
-	break;
-
-      case 'N':
-	cpp_opts->dump_macros = dump_names;
-	break;
-
-      case 'D':
-	cpp_opts->dump_macros = dump_definitions;
+      case 'M':			/* Dump macros only.  */
+      case 'N':			/* Dump names.  */
+      case 'D':			/* Dump definitions.  */
+	flag_dump_macros = c;
 	break;
 
       case 'I':
-	cpp_opts->dump_includes = 1;
+	flag_dump_includes = 1;
 	break;
       }
 }

gcc/cppmain.c → gcc/c-ppoutput.c

 /* Preprocess only, using cpplib.
-   Copyright (C) 1995, 1997, 1998, 1999, 2000, 2001, 2002
+   Copyright (C) 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003
    Free Software Foundation, Inc.
    Written by Per Bothner, 1994-95.
 
@@ -15,11 +15,7 @@ GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
-Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
- In other words, you are welcome to use, share and improve this program.
- You are forbidden to forbid anyone else to use, share and improve
- what you give them.   Help stamp out software-hoarding!  */
+Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
 #include "config.h"
 #include "system.h"
@@ -27,20 +23,32 @@ Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 #include "tm.h"
 #include "cpplib.h"
 #include "cpphash.h"
+#include "tree.h"
+#include "c-common.h"
+
+/* Encapsulates state used to convert a stream of tokens into a text
+   file.  */
+static struct
+{
+  FILE *outf;			/* Stream to write to.  */
+  const struct line_map *map;	/* Logical to physical line mappings.  */
+  const cpp_token *prev;	/* Previous token.  */
+  const cpp_token *source;	/* Source token for spacing.  */
+  unsigned int line;		/* Line currently being written.  */
+  unsigned char printed;	/* Nonzero if something output at line.  */
+} print;
 
 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 account_for_newlines PARAMS ((cpp_reader *, const uchar *,
-					  size_t));
+static void account_for_newlines PARAMS ((const uchar *, size_t));
 static int dump_macro PARAMS ((cpp_reader *, cpp_hashnode *, void *));
 
-static void print_line PARAMS ((cpp_reader *, const struct line_map *,
-				unsigned int, const char *));
-static void maybe_print_line PARAMS ((cpp_reader *, const struct line_map *,
-				      unsigned int));
+static void print_line PARAMS ((const struct line_map *, unsigned int,
+				const char *));
+static void maybe_print_line PARAMS ((const struct line_map *, unsigned int));
 
 /* Callback routines for the parser.   Most of these are active only
    in specific modes.  */
@@ -56,49 +64,48 @@ static void cb_def_pragma PARAMS ((cpp_reader *, unsigned int));
 
 /* Preprocess and output.  */
 void
-cpp_preprocess_file (pfile, in_fname, out_stream)
+preprocess_file (pfile, in_fname, out_stream)
      cpp_reader *pfile;
      const char *in_fname;
      FILE *out_stream;
 {
-  /* Initialize the printer structure.  Setting print.line to -1 here
-     is a trick to guarantee that the first token of the file will
-     cause a linemarker to be output by maybe_print_line.  */
-  pfile->print.line = (unsigned int) -1;
-  pfile->print.printed = 0;
-  pfile->print.prev = 0;
-  pfile->print.map = 0;
-  pfile->print.outf = out_stream;
+  /* Initialize the print structure.  Setting print.line to -1 here is
+     a trick to guarantee that the first token of the file will cause
+     a linemarker to be output by maybe_print_line.  */
+  print.line = (unsigned int) -1;
+  print.printed = 0;
+  print.prev = 0;
+  print.map = 0;
+  print.outf = out_stream;
 
   setup_callbacks (pfile);
 
   if (cpp_read_main_file (pfile, in_fname, NULL))
     {
-      cpp_options *options = &pfile->opts;
       cpp_finish_options (pfile);
 
       /* A successful cpp_read_main_file guarantees that we can call
 	 cpp_scan_nooutput or cpp_get_token next.  */
-      if (options->no_output)
+      if (flag_no_output)
 	{
 	  /* Scan -included buffers, then the main file.  */
 	  while (pfile->buffer->prev)
 	    cpp_scan_nooutput (pfile);
 	  cpp_scan_nooutput (pfile);
 	}
-      else if (options->traditional)
+      else if (cpp_get_options (pfile)->traditional)
 	scan_translation_unit_trad (pfile);
       else
 	scan_translation_unit (pfile);
 
-      /* -dM command line option.  Should this be in cpp_finish?  */
-      if (options->dump_macros == dump_only)
+      /* -dM command line option.  Should this be elsewhere?  */
+      if (flag_dump_macros == 'M')
 	cpp_forall_identifiers (pfile, dump_macro, NULL);
     }
 
   /* Flush any pending output.  */
-  if (pfile->print.printed)
-    putc ('\n', pfile->print.outf);
+  if (print.printed)
+    putc ('\n', print.outf);
 }
 
 /* Set up the callbacks as appropriate.  */
@@ -109,7 +116,7 @@ setup_callbacks (pfile)
   cpp_options *options = &pfile->opts;
   cpp_callbacks *cb = cpp_get_callbacks (pfile);
 
-  if (! options->no_output)
+  if (!flag_no_output)
     {
       cb->line_change = cb_line_change;
       /* Don't emit #pragma or #ident directives if we are processing
@@ -119,15 +126,14 @@ setup_callbacks (pfile)
 	  cb->ident      = cb_ident;
 	  cb->def_pragma = cb_def_pragma;
 	}
-      if (! options->no_line_commands)
+      if (!flag_no_line_commands)
 	cb->file_change = cb_file_change;
     }
 
-  if (options->dump_includes)
+  if (flag_dump_includes)
     cb->include  = cb_include;
 
-  if (options->dump_macros == dump_names
-      || options->dump_macros == dump_definitions)
+  if (flag_dump_macros == 'N' || flag_dump_macros == 'D')
     {
       cb->define = cb_define;
       cb->undef  = cb_undef;
@@ -142,7 +148,7 @@ scan_translation_unit (pfile)
 {
   bool avoid_paste = false;
 
-  pfile->print.source = NULL;
+  print.source = NULL;
   for (;;)
     {
       const cpp_token *token = cpp_get_token (pfile);
@@ -150,10 +156,10 @@ scan_translation_unit (pfile)
       if (token->type == CPP_PADDING)
 	{
 	  avoid_paste = true;
-	  if (pfile->print.source == NULL
-	      || (!(pfile->print.source->flags & PREV_WHITE)
+	  if (print.source == NULL
+	      || (!(print.source->flags & PREV_WHITE)
 		  && token->val.source == NULL))
-	    pfile->print.source = token->val.source;
+	    print.source = token->val.source;
 	  continue;
 	}
 
@@ -163,37 +169,36 @@ scan_translation_unit (pfile)
       /* Subtle logic to output a space if and only if necessary.  */
       if (avoid_paste)
 	{
-	  if (pfile->print.source == NULL)
-	    pfile->print.source = token;
-	  if (pfile->print.source->flags & PREV_WHITE
-	      || (pfile->print.prev
-		  && cpp_avoid_paste (pfile, pfile->print.prev, token))
-	      || (pfile->print.prev == NULL && token->type == CPP_HASH))
-	    putc (' ', pfile->print.outf);
+	  if (print.source == NULL)
+	    print.source = token;
+	  if (print.source->flags & PREV_WHITE
+	      || (print.prev
+		  && cpp_avoid_paste (pfile, print.prev, token))
+	      || (print.prev == NULL && token->type == CPP_HASH))
+	    putc (' ', print.outf);
 	}
       else if (token->flags & PREV_WHITE)
-	putc (' ', pfile->print.outf);
+	putc (' ', print.outf);
 
       avoid_paste = false;
-      pfile->print.source = NULL;
-      pfile->print.prev = token;
-      cpp_output_token (token, pfile->print.outf);
+      print.source = NULL;
+      print.prev = token;
+      cpp_output_token (token, print.outf);
 
       if (token->type == CPP_COMMENT)
-	account_for_newlines (pfile, token->val.str.text, token->val.str.len);
+	account_for_newlines (token->val.str.text, token->val.str.len);
     }
 }
 
-/* Adjust pfile->print.line for newlines embedded in output.  */
+/* Adjust print.line for newlines embedded in output.  */
 static void
-account_for_newlines (pfile, str, len)
-     cpp_reader *pfile;
+account_for_newlines (str, len)
      const uchar *str;
      size_t len;
 {
   while (len--)
     if (*str++ == '\n')
-      pfile->print.line++;
+      print.line++;
 }
 
 /* Writes out a traditionally preprocessed file.  */
@@ -204,11 +209,11 @@ scan_translation_unit_trad (pfile)
   while (_cpp_read_logical_line_trad (pfile))
     {
       size_t len = pfile->out.cur - pfile->out.base;
-      maybe_print_line (pfile, pfile->print.map, pfile->out.first_line);
-      fwrite (pfile->out.base, 1, len, pfile->print.outf);
-      pfile->print.printed = 1;
+      maybe_print_line (print.map, pfile->out.first_line);
+      fwrite (pfile->out.base, 1, len, print.outf);
+      print.printed = 1;
       if (!CPP_OPTION (pfile, discard_comments))
-	account_for_newlines (pfile, pfile->out.base, len);
+	account_for_newlines (pfile->out.base, len);
     }
 }
 
@@ -216,47 +221,45 @@ scan_translation_unit_trad (pfile)
    different line to the current one, output the required newlines or
    a line marker, and return 1.  Otherwise return 0.  */
 static void
-maybe_print_line (pfile, map, line)
-     cpp_reader *pfile;
+maybe_print_line (map, line)
      const struct line_map *map;
      unsigned int line;
 {
   /* End the previous line of text.  */
-  if (pfile->print.printed)
+  if (print.printed)
     {
-      putc ('\n', pfile->print.outf);
-      pfile->print.line++;
-      pfile->print.printed = 0;
+      putc ('\n', print.outf);
+      print.line++;
+      print.printed = 0;
     }
 
-  if (line >= pfile->print.line && line < pfile->print.line + 8)
+  if (line >= print.line && line < print.line + 8)
     {
-      while (line > pfile->print.line)
+      while (line > print.line)
 	{
-	  putc ('\n', pfile->print.outf);
-	  pfile->print.line++;
+	  putc ('\n', print.outf);
+	  print.line++;
 	}
     }
   else
-    print_line (pfile, map, line, "");
+    print_line (map, line, "");
 }
 
 /* Output a line marker for logical line LINE.  Special flags are "1"
    or "2" indicating entering or leaving a file.  */
 static void
-print_line (pfile, map, line, special_flags)
-     cpp_reader *pfile;
+print_line (map, line, special_flags)
      const struct line_map *map;
      unsigned int line;
      const char *special_flags;
 {
   /* End any previous line of text.  */
-  if (pfile->print.printed)
-    putc ('\n', pfile->print.outf);
-  pfile->print.printed = 0;
+  if (print.printed)
+    putc ('\n', print.outf);
+  print.printed = 0;
 
-  pfile->print.line = line;
-  if (! CPP_OPTION (pfile, no_line_commands))
+  print.line = line;
+  if (!flag_no_line_commands)
     {
       size_t to_file_len = strlen (map->to_file);
       unsigned char *to_file_quoted = alloca (to_file_len * 4 + 1);
@@ -267,16 +270,16 @@ print_line (pfile, map, line, special_flags)
       p = cpp_quote_string (to_file_quoted,
 			    (unsigned char *)map->to_file, to_file_len);
       *p = '\0';
-      fprintf (pfile->print.outf, "# %u \"%s\"%s",
-	       SOURCE_LINE (map, pfile->print.line),
+      fprintf (print.outf, "# %u \"%s\"%s",
+	       SOURCE_LINE (map, print.line),
 	       to_file_quoted, special_flags);
 
       if (map->sysp == 2)
-	fputs (" 3 4", pfile->print.outf);
+	fputs (" 3 4", print.outf);
       else if (map->sysp == 1)
-	fputs (" 3", pfile->print.outf);
+	fputs (" 3", print.outf);
 
-      putc ('\n', pfile->print.outf);
+      putc ('\n', print.outf);
     }
 }
 
@@ -291,9 +294,9 @@ cb_line_change (pfile, token, parsing_args)
   if (token->type == CPP_EOF || parsing_args)
     return;
 
-  maybe_print_line (pfile, pfile->print.map, token->line);
-  pfile->print.prev = 0;
-  pfile->print.source = 0;
+  maybe_print_line (print.map, token->line);
+  print.prev = 0;
+  print.source = 0;
 
   /* Supply enough spaces to put this token in its original column,
      one space per column greater than 2, since scan_translation_unit
@@ -302,26 +305,26 @@ cb_line_change (pfile, token, parsing_args)
      ought to care.  Some things do care; the fault lies with them.  */
   if (!CPP_OPTION (pfile, traditional))
     {
-      pfile->print.printed = 1;
+      print.printed = 1;
       if (token->col > 2)
 	{
 	  unsigned int spaces = token->col - 2;
 
 	  while (spaces--)
-	    putc (' ', pfile->print.outf);
+	    putc (' ', print.outf);
 	}
     }
 }
 
 static void
 cb_ident (pfile, line, str)
-     cpp_reader *pfile;
+     cpp_reader *pfile ATTRIBUTE_UNUSED;
      unsigned int line;
      const cpp_string * str;
 {
-  maybe_print_line (pfile, pfile->print.map, line);
-  fprintf (pfile->print.outf, "#ident \"%s\"\n", str->text);
-  pfile->print.line++;
+  maybe_print_line (print.map, line);
+  fprintf (print.outf, "#ident \"%s\"\n", str->text);
+  print.line++;
 }
 
 static void
@@ -330,29 +333,29 @@ cb_define (pfile, line, node)
      unsigned int line;
      cpp_hashnode *node;
 {
-  maybe_print_line (pfile, pfile->print.map, line);
-  fputs ("#define ", pfile->print.outf);
+  maybe_print_line (print.map, line);
+  fputs ("#define ", print.outf);
 
-  /* -dD command line option.  */
-  if (CPP_OPTION (pfile, dump_macros) == dump_definitions)
+  /* 'D' is whole definition; 'N' is name only.  */
+  if (flag_dump_macros == 'D')
     fputs ((const char *) cpp_macro_definition (pfile, node),
-	   pfile->print.outf);
+	   print.outf);
   else
-    fputs ((const char *) NODE_NAME (node), pfile->print.outf);
+    fputs ((const char *) NODE_NAME (node), print.outf);
 
-  putc ('\n', pfile->print.outf);
-  pfile->print.line++;
+  putc ('\n', print.outf);
+  print.line++;
 }
 
 static void
 cb_undef (pfile, line, node)
-     cpp_reader *pfile;
+     cpp_reader *pfile ATTRIBUTE_UNUSED;
      unsigned int line;
      cpp_hashnode *node;
 {
-  maybe_print_line (pfile, pfile->print.map, line);
-  fprintf (pfile->print.outf, "#undef %s\n", NODE_NAME (node));
-  pfile->print.line++;
+  maybe_print_line (print.map, line);
+  fprintf (print.outf, "#undef %s\n", NODE_NAME (node));
+  print.line++;
 }
 
 static void
@@ -362,14 +365,14 @@ cb_include (pfile, line, dir, header)
      const unsigned char *dir;
      const cpp_token *header;
 {
-  maybe_print_line (pfile, pfile->print.map, line);
-  fprintf (pfile->print.outf, "#%s %s\n", dir,
+  maybe_print_line (print.map, line);
+  fprintf (print.outf, "#%s %s\n", dir,
 	   cpp_token_as_text (pfile, header));
-  pfile->print.line++;
+  print.line++;
 }
 
 /* The file name, line number or system header flags have changed, as
-   described in MAP.  From this point on, the old pfile->print.map might be
+   described in MAP.  From this point on, the old print.map might be
    pointing to freed memory, and so must not be dereferenced.  */
 
 static void
@@ -380,26 +383,26 @@ cb_file_change (pfile, map)
   const char *flags = "";
 
   /* First time?  */
-  if (pfile->print.map == NULL)
+  if (print.map == NULL)
     {
       /* Avoid printing foo.i when the main file is foo.c.  */
       if (!CPP_OPTION (pfile, preprocessed))
-	print_line (pfile, map, map->from_line, flags);
+	print_line (map, map->from_line, flags);
     }
   else
     {
       /* Bring current file to correct line when entering a new file.  */
       if (map->reason == LC_ENTER)
-	maybe_print_line (pfile, map - 1, map->from_line - 1);
+	maybe_print_line (map - 1, map->from_line - 1);
 
       if (map->reason == LC_ENTER)
 	flags = " 1";
       else if (map->reason == LC_LEAVE)
 	flags = " 2";
-      print_line (pfile, map, map->from_line, flags);
+      print_line (map, map->from_line, flags);
     }
 
-  pfile->print.map = map;
+  print.map = map;
 }
 
 /* Copy a #pragma directive to the preprocessed output.  */
@@ -408,10 +411,10 @@ cb_def_pragma (pfile, line)
      cpp_reader *pfile;
      unsigned int line;
 {
-  maybe_print_line (pfile, pfile->print.map, line);
-  fputs ("#pragma ", pfile->print.outf);
-  cpp_output_line (pfile, pfile->print.outf);
-  pfile->print.line++;
+  maybe_print_line (print.map, line);
+  fputs ("#pragma ", print.outf);
+  cpp_output_line (pfile, print.outf);
+  print.line++;
 }
 
 /* Dump out the hash table.  */
@@ -423,11 +426,11 @@ dump_macro (pfile, node, v)
 {
   if (node->type == NT_MACRO && !(node->flags & NODE_BUILTIN))
     {
-      fputs ("#define ", pfile->print.outf);
+      fputs ("#define ", print.outf);
       fputs ((const char *) cpp_macro_definition (pfile, node),
-	     pfile->print.outf);
-      putc ('\n', pfile->print.outf);
-      pfile->print.line++;
+	     print.outf);
+      putc ('\n', print.outf);
+      print.line++;
     }
 
   return 1;

gcc/cpphash.h

@@ -240,18 +240,6 @@ struct spec_nodes
   cpp_hashnode *n__VA_ARGS__;		/* C99 vararg macros */
 };
 
-/* Encapsulates state used to convert a stream of tokens into a text
-   file.  */
-struct printer
-{
-  FILE *outf;			/* Stream to write to.  */
-  const struct line_map *map;	/* Logical to physical line mappings.  */
-  const cpp_token *prev;	/* Previous token.  */
-  const cpp_token *source;	/* Source token for spacing.  */
-  unsigned int line;		/* Line currently being written.  */
-  unsigned char printed;	/* Nonzero if something output at line.  */
-};
-
 /* Represents the contents of a file cpplib has read in.  */
 struct cpp_buffer
 {
@@ -422,9 +410,6 @@ struct cpp_reader
      preprocessor.  */
   struct spec_nodes spec_nodes;
 
-  /* Used when doing preprocessed output.  */
-  struct printer print;
-
   /* Nonzero means don't look for #include "foo" the source-file
      directory.  */
   unsigned char quote_ignores_source_dir;

gcc/cpplib.h

@@ -206,15 +206,6 @@ struct cpp_token
 typedef unsigned CPPCHAR_SIGNED_T cppchar_t;
 typedef CPPCHAR_SIGNED_T cppchar_signed_t;
 
-/* Values for opts.dump_macros.
-  dump_only means inhibit output of the preprocessed text
-             and instead output the definitions of all user-defined
-             macros in a form suitable for use as input to cpp.
-   dump_names means pass #define and the macro name through to output.
-   dump_definitions means pass the whole definition (plus #define) through
-*/
-enum { dump_none = 0, dump_only, dump_names, dump_definitions };
-
 /* This structure is nested inside struct cpp_reader, and
    carries all the options visible to the command line.  */
 struct cpp_options
@@ -306,17 +297,10 @@ struct cpp_options
   /* Nonzero means turn warnings into errors.  */
   unsigned char warnings_are_errors;
 
-  /* Nonzero causes output not to be done, but directives such as
-     #define that have side effects are still obeyed.  */
-  unsigned char no_output;
-
   /* Nonzero means we should look for header.gcc files that remap file
      names.  */
   unsigned char remap;
 
-  /* Nonzero means don't output line number information.  */
-  unsigned char no_line_commands;
-
   /* Zero means dollar signs are punctuation.  */
   unsigned char dollars_in_ident;
 
@@ -339,12 +323,6 @@ struct cpp_options
      bother trying to do macro expansion and whatnot.  */
   unsigned char preprocessed;
 
-  /* Nonzero means dump macros in some fashion - see above.  */
-  unsigned char dump_macros;
-
-  /* Nonzero means pass #include lines through to the output.  */
-  unsigned char dump_includes;
-
   /* Print column number in error messages.  */
   unsigned char show_column;
 
@@ -753,9 +731,6 @@ extern void cpp_prepare_state PARAMS ((cpp_reader *,
 extern int cpp_read_state PARAMS ((cpp_reader *, const char *, FILE *,
 				   struct save_macro_data *));
 
-/* In cppmain.c */
-extern void cpp_preprocess_file PARAMS ((cpp_reader *, const char *, FILE *));
-
 #ifdef __cplusplus
 }
 #endif

gcc/doc/passes.texi

@@ -82,7 +82,8 @@ the other C-like languages: @file{c-common.c},
 @file{c-pragma.c},
 @file{c-semantics.c},
 @file{c-lex.c},
-@file{c-incpath.c}
+@file{c-incpath.c},
+@file{c-ppoutput.c},
 @file{c-common.h},
 @file{c-dump.h},
 @file{c-incpath.h}