[gcc] GCC 4.5.0=>4.5.1

gcc/gcc/scan-decls.c

Index: gcc/gcc/scan-decls.c
diff --git a/gcc/gcc/scan-decls.c b/gcc/gcc/scan-decls.c
deleted file mode 100644
index c0e2009150fd20253a7f41179cf0216769144315..0000000000000000000000000000000000000000
--- a/gcc/gcc/scan-decls.c
+++ /dev/null
@@ -1,250 +0,0 @@
-/* scan-decls.c - Extracts declarations from cpp output.
-   Copyright (C) 1993, 1995, 1997, 1998,
-   1999, 2000, 2003, 2004, 2007 Free Software Foundation, Inc.
-
-   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 3, 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; see the file COPYING3.  If not see
-   <http://www.gnu.org/licenses/>.  
-
-   Written by Per Bothner <bothner@cygnus.com>, July 1993.  */
-
-#include "bconfig.h"
-#include "system.h"
-#include "coretypes.h"
-#include "tm.h"
-#include "cpplib.h"
-#include "scan.h"
-
-static void skip_to_closing_brace (cpp_reader *);
-static const cpp_token *get_a_token (cpp_reader *);
-
-int brace_nesting = 0;
-
-/* The first extern_C_braces_length elements of extern_C_braces
-   indicate the (brace nesting levels of) left braces that were
-   prefixed by extern "C".  */
-int extern_C_braces_length = 0;
-/* 20 is not enough anymore on Solaris 9.  */
-#define MAX_EXTERN_C_BRACES  200
-char extern_C_braces[MAX_EXTERN_C_BRACES];
-#define in_extern_C_brace (extern_C_braces_length>0)
-
-/* True if the function declaration currently being scanned is
-   prefixed by extern "C".  */
-int current_extern_C = 0;
-
-/* Get a token but skip padding.  */
-static const cpp_token *
-get_a_token (cpp_reader *pfile)
-{
-  for (;;)
-    {
-      const cpp_token *result = cpp_get_token (pfile);
-      if (result->type != CPP_PADDING)
-	return result;
-    }
-}
-
-static void
-skip_to_closing_brace (cpp_reader *pfile)
-{
-  int nesting = 1;
-  for (;;)
-    {
-      enum cpp_ttype token = get_a_token (pfile)->type;
-
-      if (token == CPP_EOF)
-	break;
-      if (token == CPP_OPEN_BRACE)
-	nesting++;
-      if (token == CPP_CLOSE_BRACE && --nesting == 0)
-	break;
-    }
-}
-
-/* This function scans a C source file (actually, the output of cpp),
-   reading from FP.  It looks for function declarations, and
-   external variable declarations.
-
-   The following grammar (as well as some extra stuff) is recognized:
-
-   declaration:
-     (decl-specifier)* declarator ("," declarator)* ";"
-   decl-specifier:
-     identifier
-     keyword
-     extern "C"
-   declarator:
-     (ptr-operator)* dname [ "(" argument-declaration-list ")" ]
-   ptr-operator:
-     ("*" | "&") ("const" | "volatile")*
-   dname:
-     identifier
-
-Here dname is the actual name being declared.
-*/
-
-int
-scan_decls (cpp_reader *pfile, int argc ATTRIBUTE_UNUSED,
-	    char **argv ATTRIBUTE_UNUSED)
-{
-  int saw_extern, saw_inline;
-  cpp_token prev_id;
-  const cpp_token *token;
-
- new_statement:
-  token = get_a_token (pfile);
-
- handle_statement:
-  current_extern_C = 0;
-  saw_extern = 0;
-  saw_inline = 0;
-  if (token->type == CPP_OPEN_BRACE)
-    {
-      /* Pop an 'extern "C"' nesting level, if appropriate.  */
-      if (extern_C_braces_length
-	  && extern_C_braces[extern_C_braces_length - 1] == brace_nesting)
-	extern_C_braces_length--;
-      brace_nesting--;
-      goto new_statement;
-    }
-  if (token->type == CPP_OPEN_BRACE)
-    {
-      brace_nesting++;
-      goto new_statement;
-    }
-
-  if (token->type == CPP_EOF)
-    return 0;
-
-  if (token->type == CPP_SEMICOLON)
-    goto new_statement;
-  if (token->type != CPP_NAME)
-    goto new_statement;
-
-  prev_id.type = CPP_EOF;
-  for (;;)
-    {
-      switch (token->type)
-	{
-	default:
-	  goto handle_statement;
-	case CPP_MULT:
-	case CPP_AND:
-	  /* skip */
-	  break;
-
-	case CPP_COMMA:
-	case CPP_SEMICOLON:
-	  if (prev_id.type != CPP_EOF && saw_extern)
-	    {
-	      recognized_extern (&prev_id);
-	    }
-	  if (token->type == CPP_COMMA)
-	    break;
-	  /* ... fall through ...  */
-	case CPP_OPEN_BRACE:  case CPP_CLOSE_BRACE:
-	  goto new_statement;
-
-	case CPP_EOF:
-	  return 0;
-
-	case CPP_OPEN_PAREN:
-	  /* Looks like this is the start of a formal parameter list.  */
-	  if (prev_id.type != CPP_EOF)
-	    {
-	      int nesting = 1;
-	      int have_arg_list = 0;
-	      const struct line_map *map;
-	      unsigned int line;
-	      for (;;)
-		{
-		  token = get_a_token (pfile);
-		  if (token->type == CPP_OPEN_PAREN)
-		    nesting++;
-		  else if (token->type == CPP_CLOSE_PAREN)
-		    {
-		      nesting--;
-		      if (nesting == 0)
-			break;
-		    }
-		  else if (token->type == CPP_EOF)
-		    break;
-		  else if (token->type == CPP_NAME
-			   || token->type == CPP_ELLIPSIS)
-		    have_arg_list = 1;
-		}
-	      map = linemap_lookup (&line_table, token->src_loc);
-	      line = SOURCE_LINE (map, token->src_loc);
-	      recognized_function (&prev_id, line,
-				   (saw_inline ? 'I'
-				    : in_extern_C_brace || current_extern_C
-				    ? 'F' : 'f'), have_arg_list);
-	      token = get_a_token (pfile);
-	      if (token->type == CPP_OPEN_BRACE)
-		{
-		  /* skip body of (normally) inline function */
-		  skip_to_closing_brace (pfile);
-		  goto new_statement;
-		}
-
-	      /* skip a possible __attribute__ or throw expression after the
-		 parameter list */
-	      while (token->type != CPP_SEMICOLON && token->type != CPP_EOF)
-		token = get_a_token (pfile);
-	      if (token->type == CPP_EOF)
-		return 0;
-	      goto new_statement;
-	    }
-	  break;
-	case CPP_NAME:
-	  /* "inline" and "extern" are recognized but skipped */
-	  if (cpp_ideq (token, "inline"))
-	    {
-	      saw_inline = 1;
-	    }
-	  else if (cpp_ideq (token, "extern"))
-	    {
-	      saw_extern = 1;
-	      token = get_a_token (pfile);
-	      if (token->type == CPP_STRING
-		  && token->val.str.len == 1
-		  && token->val.str.text[0] == 'C')
-		{
-		  current_extern_C = 1;
-		  token = get_a_token (pfile);
-		  if (token->type == CPP_OPEN_BRACE)
-		    {
-		      brace_nesting++;
-		      extern_C_braces[extern_C_braces_length++]
-			= brace_nesting;
-		      if (extern_C_braces_length >= MAX_EXTERN_C_BRACES)
-			{
-			  fprintf (stderr,
-			  	   "Internal error: out-of-bounds index\n");
-			  exit (FATAL_EXIT_CODE);
-			}
-		      goto new_statement;
-		    }
-		}
-	      else
-		continue;
-	      break;
-	    }
-	  /* This may be the name of a variable or function.  */
-	  prev_id = *token;
-	  break;
-	}
-      token = get_a_token (pfile);
-    }
-}