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/* Language-dependent hooks for C++.

   Copyright 2001, 2002, 2004, 2007, 2008, 2009 Free Software Foundation, Inc.

   Contributed by Alexandre Oliva  <aoliva@redhat.com>

This file is part of GCC.

GCC 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.

GCC 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 GCC; see the file COPYING3.  If not see

<http://www.gnu.org/licenses/>.  */

#include "config.h"

#include "system.h"

#include "coretypes.h"

#include "tm.h"

#include "tree.h"

#include "cp-tree.h"

#include "c-common.h"

#include "toplev.h"

#include "langhooks.h"

#include "langhooks-def.h"

#include "diagnostic.h"

#include "debug.h"

#include "cp-objcp-common.h"

#include "hashtab.h"

#include "except.h"

#include "expr.h"

enum c_language_kind c_language = clk_cxx;

static void cp_init_ts (void);

static const char * cxx_dwarf_name (tree t, int verbosity);

static enum classify_record cp_classify_record (tree type);

static tree cp_eh_personality (void);

/* Lang hooks common to C++ and ObjC++ are declared in cp/cp-objcp-common.h;

   consequently, there should be very few hooks below.  */

#undef LANG_HOOKS_NAME

#define LANG_HOOKS_NAME "GNU C++"

#undef LANG_HOOKS_INIT

#define LANG_HOOKS_INIT cxx_init

#undef LANG_HOOKS_CLASSIFY_RECORD

#define LANG_HOOKS_CLASSIFY_RECORD cp_classify_record

#undef LANG_HOOKS_GENERIC_TYPE_P

#define LANG_HOOKS_GENERIC_TYPE_P class_tmpl_impl_spec_p

#undef LANG_HOOKS_GET_INNERMOST_GENERIC_PARMS

#define LANG_HOOKS_GET_INNERMOST_GENERIC_PARMS \

        get_primary_template_innermost_parameters

#undef LANG_HOOKS_GET_INNERMOST_GENERIC_ARGS

#define LANG_HOOKS_GET_INNERMOST_GENERIC_ARGS \

        get_template_innermost_arguments

#undef LANG_HOOKS_FUNCTION_PARAMETER_PACK_P

#define LANG_HOOKS_FUNCTION_PARAMETER_PACK_P \

        function_parameter_pack_p

#undef LANG_HOOKS_GET_ARGUMENT_PACK_ELEMS

#define LANG_HOOKS_GET_ARGUMENT_PACK_ELEMS \

        get_template_argument_pack_elems

#undef LANG_HOOKS_GENERIC_GENERIC_PARAMETER_DECL_P

#define LANG_HOOKS_GENERIC_GENERIC_PARAMETER_DECL_P \

        template_template_parameter_p

#undef LANG_HOOKS_FUNCTION_PARM_EXPANDED_FROM_PACK_P

#define LANG_HOOKS_FUNCTION_PARM_EXPANDED_FROM_PACK_P \

        function_parameter_expanded_from_pack_p

#undef LANG_HOOKS_GET_GENERIC_FUNCTION_DECL

#define LANG_HOOKS_GET_GENERIC_FUNCTION_DECL get_function_template_decl

#undef LANG_HOOKS_DECL_PRINTABLE_NAME

#define LANG_HOOKS_DECL_PRINTABLE_NAME  cxx_printable_name

#undef LANG_HOOKS_DWARF_NAME

#define LANG_HOOKS_DWARF_NAME cxx_dwarf_name

#undef LANG_HOOKS_FOLD_OBJ_TYPE_REF

#define LANG_HOOKS_FOLD_OBJ_TYPE_REF cp_fold_obj_type_ref

#undef LANG_HOOKS_INIT_TS

#define LANG_HOOKS_INIT_TS cp_init_ts

#undef LANG_HOOKS_EH_PERSONALITY

#define LANG_HOOKS_EH_PERSONALITY cp_eh_personality

#undef LANG_HOOKS_EH_RUNTIME_TYPE

#define LANG_HOOKS_EH_RUNTIME_TYPE build_eh_type_type

/* Each front end provides its own lang hook initializer.  */

struct lang_hooks lang_hooks = LANG_HOOKS_INITIALIZER;

/* Lang hook routines common to C++ and ObjC++ appear in cp/cp-objcp-common.c;

   there should be very few routines below.  */

/* The following function does something real, but only in Objective-C++.  */

tree

objcp_tsubst_copy_and_build (tree t ATTRIBUTE_UNUSED,

                             tree args ATTRIBUTE_UNUSED,

                             tsubst_flags_t complain ATTRIBUTE_UNUSED,

                             tree in_decl ATTRIBUTE_UNUSED,

                             bool function_p ATTRIBUTE_UNUSED)

{

  return NULL_TREE;

}

static void

cp_init_ts (void)

{

  tree_contains_struct[NAMESPACE_DECL][TS_DECL_NON_COMMON] = 1;

  tree_contains_struct[USING_DECL][TS_DECL_NON_COMMON] = 1;

  tree_contains_struct[TEMPLATE_DECL][TS_DECL_NON_COMMON] = 1;

  tree_contains_struct[NAMESPACE_DECL][TS_DECL_WITH_VIS] = 1;

  tree_contains_struct[USING_DECL][TS_DECL_WITH_VIS] = 1;

  tree_contains_struct[TEMPLATE_DECL][TS_DECL_WITH_VIS] = 1;

  tree_contains_struct[NAMESPACE_DECL][TS_DECL_WRTL] = 1;

  tree_contains_struct[USING_DECL][TS_DECL_WRTL] = 1;

  tree_contains_struct[TEMPLATE_DECL][TS_DECL_WRTL] = 1;

  tree_contains_struct[NAMESPACE_DECL][TS_DECL_COMMON] = 1;

  tree_contains_struct[USING_DECL][TS_DECL_COMMON] = 1;

  tree_contains_struct[TEMPLATE_DECL][TS_DECL_COMMON] = 1;

  tree_contains_struct[NAMESPACE_DECL][TS_DECL_MINIMAL] = 1;

  tree_contains_struct[USING_DECL][TS_DECL_MINIMAL] = 1;

  tree_contains_struct[TEMPLATE_DECL][TS_DECL_MINIMAL] = 1;

  init_shadowed_var_for_decl ();

}

static const char *

cxx_dwarf_name (tree t, int verbosity)

{

  gcc_assert (DECL_P (t));

  if (DECL_NAME (t)

      && (ANON_AGGRNAME_P (DECL_NAME (t)) || LAMBDANAME_P (DECL_NAME (t))))

    return NULL;

  if (verbosity >= 2)

    return decl_as_string (t,

                           TFF_DECL_SPECIFIERS | TFF_UNQUALIFIED_NAME

                           | TFF_NO_OMIT_DEFAULT_TEMPLATE_ARGUMENTS);

  return cxx_printable_name (t, verbosity);

}

static enum classify_record

cp_classify_record (tree type)

{

  if (CLASSTYPE_DECLARED_CLASS (type))

    return RECORD_IS_CLASS;

  return RECORD_IS_STRUCT;

}

void

finish_file (void)

{

}

static GTY(()) tree cp_eh_personality_decl;

static tree

cp_eh_personality (void)

{

  if (!cp_eh_personality_decl)

    {

      if (!pragma_java_exceptions)

        cp_eh_personality_decl

          = build_personality_function (USING_SJLJ_EXCEPTIONS

                                        ? "__gxx_personality_sj0"

                                        : "__gxx_personality_v0");

      else

        cp_eh_personality_decl

          = build_personality_function (USING_SJLJ_EXCEPTIONS

                                        ? "__gcj_personality_sj0"

                                        : "__gcj_personality_v0");

    }

  return cp_eh_personality_decl;

}

#include "gt-cp-cp-lang.h"

#include "gtype-cp.h"