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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.2.2/] [libcpp/] [include/] [cpp-id-data.h] - Blame information for rev 154

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/* Structures that hang off cpp_identifier, for PCH.
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   Copyright (C) 1986, 1987, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
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   1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2, or (at your option) any
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later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
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#include "cpplib.h"
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#if !defined (HAVE_UCHAR) && !defined (IN_GCC)
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typedef unsigned char uchar;
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#endif
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#define U (const unsigned char *)  /* Intended use: U"string" */
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/* Chained list of answers to an assertion.  */
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struct answer GTY(())
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{
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  struct answer *next;
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  unsigned int count;
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  cpp_token GTY ((length ("%h.count"))) first[1];
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};
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/* Each macro definition is recorded in a cpp_macro structure.
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   Variadic macros cannot occur with traditional cpp.  */
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struct cpp_macro GTY(())
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{
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  /* Parameters, if any.  */
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  cpp_hashnode ** GTY ((nested_ptr (union tree_node,
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                "%h ? CPP_HASHNODE (GCC_IDENT_TO_HT_IDENT (%h)) : NULL",
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                        "%h ? HT_IDENT_TO_GCC_IDENT (HT_NODE (%h)) : NULL"),
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                        length ("%h.paramc")))
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    params;
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  /* Replacement tokens (ISO) or replacement text (traditional).  See
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     comment at top of cpptrad.c for how traditional function-like
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     macros are encoded.  */
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  union cpp_macro_u
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  {
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    cpp_token * GTY ((tag ("0"), length ("%0.count"))) tokens;
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    const unsigned char * GTY ((tag ("1"))) text;
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  } GTY ((desc ("%1.traditional"))) exp;
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  /* Definition line number.  */
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  source_location line;
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  /* Number of tokens in expansion, or bytes for traditional macros.  */
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  unsigned int count;
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  /* Number of parameters.  */
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  unsigned short paramc;
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  /* If a function-like macro.  */
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  unsigned int fun_like : 1;
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  /* If a variadic macro.  */
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  unsigned int variadic : 1;
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  /* If macro defined in system header.  */
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  unsigned int syshdr   : 1;
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  /* Nonzero if it has been expanded or had its existence tested.  */
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  unsigned int used     : 1;
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  /* Indicate which field of 'exp' is in use.  */
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  unsigned int traditional : 1;
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};

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