X-Git-Url: https://oss.titaniummirror.com/gitweb?a=blobdiff_plain;f=gcc%2Fcppmain.c;fp=gcc%2Fcppmain.c;h=0000000000000000000000000000000000000000;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=b8757c705d040032772259d96199e11db4c71de7;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git

diff --git a/gcc/cppmain.c b/gcc/cppmain.c
deleted file mode 100644
index b8757c70..00000000
--- a/gcc/cppmain.c
+++ /dev/null
@@ -1,490 +0,0 @@
-/* CPP main program, using CPP Library.
-   Copyright (C) 1995, 1997, 1998, 1999, 2000, 2001, 2002
-   Free Software Foundation, Inc.
-   Written by Per Bothner, 1994-95.
-
-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 the
-Free Software Foundation; either version 2, or (at your option) any
-later version.
-
-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
-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!  */
-
-#include "config.h"
-#include "system.h"
-#include "cpplib.h"
-#include "intl.h"
-
-/* Encapsulates state used to convert the stream of tokens coming from
-   cpp_get_token back 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.  */
-};
-
-int main		PARAMS ((int, char **));
-static void general_init PARAMS ((const char *));
-static void do_preprocessing PARAMS ((int, char **));
-static void setup_callbacks PARAMS ((void));
-
-/* General output routines.  */
-static void scan_translation_unit PARAMS ((cpp_reader *));
-static void check_multiline_token PARAMS ((const cpp_string *));
-static int dump_macro PARAMS ((cpp_reader *, cpp_hashnode *, void *));
-
-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.  */
-static void cb_line_change PARAMS ((cpp_reader *, const cpp_token *, int));
-static void cb_define	PARAMS ((cpp_reader *, unsigned int, cpp_hashnode *));
-static void cb_undef	PARAMS ((cpp_reader *, unsigned int, cpp_hashnode *));
-static void cb_include	PARAMS ((cpp_reader *, unsigned int,
-				 const unsigned char *, const cpp_token *));
-static void cb_ident	  PARAMS ((cpp_reader *, unsigned int,
-				   const cpp_string *));
-static void cb_file_change PARAMS ((cpp_reader *, const struct line_map *));
-static void cb_def_pragma PARAMS ((cpp_reader *, unsigned int));
-
-const char *progname;		/* Needs to be global.  */
-static cpp_reader *pfile;	/* An opaque handle.  */
-static cpp_options *options;	/* Options of pfile.  */
-static struct printer print;
-
-int
-main (argc, argv)
-     int argc;
-     char **argv;
-{
-  general_init (argv[0]);
-
-  /* Construct a reader with default language GNU C89.  */
-  pfile = cpp_create_reader (CLK_GNUC89);
-  options = cpp_get_options (pfile);
-  
-  do_preprocessing (argc, argv);
-
-  if (cpp_destroy (pfile))
-    return FATAL_EXIT_CODE;
-
-  return SUCCESS_EXIT_CODE;
-}
-
-/* Store the program name, and set the locale.  */
-static void
-general_init (argv0)
-     const char *argv0;
-{
-  progname = argv0 + strlen (argv0);
-
-  while (progname != argv0 && ! IS_DIR_SEPARATOR (progname[-1]))
-    --progname;
-
-  xmalloc_set_program_name (progname);
-
-  hex_init ();
-  gcc_init_libintl ();
-}
-
-/* Handle switches, preprocess and output.  */
-static void
-do_preprocessing (argc, argv)
-     int argc;
-     char **argv;
-{
-  int argi = 1;  /* Next argument to handle.  */
-
-  argi += cpp_handle_options (pfile, argc - argi , argv + argi);
-  if (CPP_FATAL_ERRORS (pfile))
-    return;
-
-  if (argi < argc)
-    {
-      cpp_fatal (pfile, "invalid option %s", argv[argi]);
-      return;
-    }
-
-  cpp_post_options (pfile);
-  if (CPP_FATAL_ERRORS (pfile))
-    return;
-
-  /* If cpp_handle_options saw --help or --version on the command
-     line, it will have set pfile->help_only to indicate this.  Exit
-     successfully.  [The library does not exit itself, because
-     e.g. cc1 needs to print its own --help message at this point.]  */
-  if (options->help_only)
-    return;
-
-  /* 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.  */
-  print.line = (unsigned int) -1;
-  print.printed = 0;
-  print.prev = 0;
-  print.map = 0;
-  
-  /* 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 (options->out_fname[0] == '\0')
-    print.outf = stdout;
-  else
-    {
-      print.outf = fopen (options->out_fname, "w");
-      if (print.outf == NULL)
-	{
-	  cpp_notice_from_errno (pfile, options->out_fname);
-	  return;
-	}
-    }
-
-  setup_callbacks ();
-
-  if (cpp_read_main_file (pfile, options->in_fname, NULL))
-    {
-      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)
-	cpp_scan_nooutput (pfile);
-      else
-	scan_translation_unit (pfile);
-
-      /* -dM command line option.  Should this be in cpp_finish?  */
-      if (options->dump_macros == dump_only)
-	cpp_forall_identifiers (pfile, dump_macro, NULL);
-
-      cpp_finish (pfile);
-    }
-
-  /* Flush any pending output.  */
-  if (print.printed)
-    putc ('\n', print.outf);
-
-  if (ferror (print.outf) || fclose (print.outf))
-    cpp_notice_from_errno (pfile, options->out_fname);
-}
-
-/* Set up the callbacks as appropriate.  */
-static void
-setup_callbacks ()
-{
-  cpp_callbacks *cb = cpp_get_callbacks (pfile);
-
-  if (! options->no_output)
-    {
-      cb->line_change = cb_line_change;
-      /* Don't emit #pragma or #ident directives if we are processing
-	 assembly language; the assembler may choke on them.  */
-      if (options->lang != CLK_ASM)
-	{
-	  cb->ident      = cb_ident;
-	  cb->def_pragma = cb_def_pragma;
-	}
-      if (! options->no_line_commands)
-	cb->file_change = cb_file_change;
-    }
-
-  if (options->dump_includes)
-    cb->include  = cb_include;
-
-  if (options->dump_macros == dump_names
-      || options->dump_macros == dump_definitions)
-    {
-      cb->define = cb_define;
-      cb->undef  = cb_undef;
-    }
-}
-
-/* Writes out the preprocessed file, handling spacing and paste
-   avoidance issues.  */
-static void
-scan_translation_unit (pfile)
-     cpp_reader *pfile;
-{
-  bool avoid_paste = false;
-
-  print.source = NULL;
-  for (;;)
-    {
-      const cpp_token *token = cpp_get_token (pfile);
-
-      if (token->type == CPP_PADDING)
-	{
-	  avoid_paste = true;
-	  if (print.source == NULL
-	      || (!(print.source->flags & PREV_WHITE)
-		  && token->val.source == NULL))
-	    print.source = token->val.source;
-	  continue;
-	}
-
-      if (token->type == CPP_EOF)
-	break;
-
-      /* Subtle logic to output a space if and only if necessary.  */
-      if (avoid_paste)
-	{
-	  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 (' ', print.outf);
-
-      avoid_paste = false;
-      print.source = NULL;
-      print.prev = token;
-      cpp_output_token (token, print.outf);
-
-      if (token->type == CPP_STRING || token->type == CPP_WSTRING
-	  || token->type == CPP_COMMENT)
-	check_multiline_token (&token->val.str);
-    }
-}
-
-/* Adjust print.line for newlines embedded in tokens.  */
-static void
-check_multiline_token (str)
-     const cpp_string *str;
-{
-  unsigned int i;
-
-  for (i = 0; i < str->len; i++)
-    if (str->text[i] == '\n')
-      print.line++;
-}
-
-/* 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.  */
-static void
-maybe_print_line (map, line)
-     const struct line_map *map;
-     unsigned int line;
-{
-  /* End the previous line of text.  */
-  if (print.printed)
-    {
-      putc ('\n', print.outf);
-      print.line++;
-      print.printed = 0;
-    }
-
-  if (line >= print.line && line < print.line + 8)
-    {
-      while (line > print.line)
-	{
-	  putc ('\n', print.outf);
-	  print.line++;
-	}
-    }
-  else
-    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 (map, line, special_flags)
-     const struct line_map *map;
-     unsigned int line;
-     const char *special_flags;
-{
-  /* End any previous line of text.  */
-  if (print.printed)
-    putc ('\n', print.outf);
-  print.printed = 0;
-
-  print.line = line;
-  if (! options->no_line_commands)
-    {
-      size_t to_file_len = strlen (map->to_file);
-      unsigned char *to_file_quoted = alloca (to_file_len * 4 + 1);
-      unsigned char *p;
-      
-      /* cpp_quote_string does not nul-terminate, so we have to do it
-	 ourselves.  */
-      p = cpp_quote_string (to_file_quoted,
-			    (unsigned char *)map->to_file, to_file_len);
-      *p = '\0';
-      fprintf (print.outf, "# %u \"%s\"%s",
-	       SOURCE_LINE (map, print.line), to_file_quoted, special_flags);
-
-      if (map->sysp == 2)
-	fputs (" 3 4", print.outf);
-      else if (map->sysp == 1)
-	fputs (" 3", print.outf);
-
-      putc ('\n', print.outf);
-    }
-}
-
-/* Called when a line of output is started.  TOKEN is the first token
-   of the line, and at end of file will be CPP_EOF.  */
-static void
-cb_line_change (pfile, token, parsing_args)
-     cpp_reader *pfile ATTRIBUTE_UNUSED;
-     const cpp_token *token;
-     int parsing_args;
-{
-  if (token->type == CPP_EOF || parsing_args)
-    return;
-
-  maybe_print_line (print.map, token->line);
-  print.printed = 1;
-  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
-     will provide a space if PREV_WHITE.  Don't bother trying to
-     reconstruct tabs; we can't get it right in general, and nothing
-     ought to care.  Some things do care; the fault lies with them.  */
-  if (token->col > 2)
-    {
-      unsigned int spaces = token->col - 2;
-
-      while (spaces--)
-	putc (' ', print.outf);
-    }
-}
-
-static void
-cb_ident (pfile, line, str)
-     cpp_reader *pfile ATTRIBUTE_UNUSED;
-     unsigned int line;
-     const cpp_string * str;
-{
-  maybe_print_line (print.map, line);
-  fprintf (print.outf, "#ident \"%s\"\n", str->text);
-  print.line++;
-}
-
-static void
-cb_define (pfile, line, node)
-     cpp_reader *pfile;
-     unsigned int line;
-     cpp_hashnode *node;
-{
-  maybe_print_line (print.map, line);
-  fputs ("#define ", print.outf);
-
-  /* -dD command line option.  */
-  if (options->dump_macros == dump_definitions)
-    fputs ((const char *) cpp_macro_definition (pfile, node), print.outf);
-  else
-    fputs ((const char *) NODE_NAME (node), print.outf);
-
-  putc ('\n', print.outf);
-  print.line++;
-}
-
-static void
-cb_undef (pfile, line, node)
-     cpp_reader *pfile ATTRIBUTE_UNUSED;
-     unsigned int line;
-     cpp_hashnode *node;
-{
-  maybe_print_line (print.map, line);
-  fprintf (print.outf, "#undef %s\n", NODE_NAME (node));
-  print.line++;
-}
-
-static void
-cb_include (pfile, line, dir, header)
-     cpp_reader *pfile;
-     unsigned int line;
-     const unsigned char *dir;
-     const cpp_token *header;
-{
-  maybe_print_line (print.map, line);
-  fprintf (print.outf, "#%s %s\n", dir, cpp_token_as_text (pfile, header));
-  print.line++;
-}
-
-/* The file name, line number or system header flags have changed, as
-   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
-cb_file_change (pfile, map)
-     cpp_reader *pfile ATTRIBUTE_UNUSED;
-     const struct line_map *map;
-{
-  const char *flags = "";
-
-  /* First time?  */
-  if (print.map == NULL)
-    {
-      /* Avoid printing foo.i when the main file is foo.c.  */
-      if (!options->preprocessed)
-	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 (map - 1, map->from_line - 1);
-
-      if (map->reason == LC_ENTER)
-	flags = " 1";
-      else if (map->reason == LC_LEAVE)
-	flags = " 2";
-      print_line (map, map->from_line, flags);
-    }
-
-  print.map = map;
-}
-
-/* Copy a #pragma directive to the preprocessed output.  */
-static void
-cb_def_pragma (pfile, line)
-     cpp_reader *pfile;
-     unsigned int line;
-{
-  maybe_print_line (print.map, line);
-  fputs ("#pragma ", print.outf);
-  cpp_output_line (pfile, print.outf);
-  print.line++;
-}
-
-/* Dump out the hash table.  */
-static int
-dump_macro (pfile, node, v)
-     cpp_reader *pfile;
-     cpp_hashnode *node;
-     void *v ATTRIBUTE_UNUSED;
-{
-  if (node->type == NT_MACRO && !(node->flags & NODE_BUILTIN))
-    {
-      fputs ("#define ", print.outf);
-      fputs ((const char *) cpp_macro_definition (pfile, node), print.outf);
-      putc ('\n', print.outf);
-      print.line++;
-    }
-
-  return 1;
-}