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28e7fd6234
Two modifications:
1. The addition of 2013 to the copyright year range for every file;
2. The use of a single year range, instead of potentially multiple
year ranges, as approved by the FSF.
250 lines
7.9 KiB
C++
250 lines
7.9 KiB
C++
/* Helper routines for C++ support in GDB.
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Copyright (C) 2002-2013 Free Software Foundation, Inc.
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Contributed by MontaVista Software.
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Namespace support contributed by David Carlton.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any 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, see <http://www.gnu.org/licenses/>. */
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#ifndef CP_SUPPORT_H
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#define CP_SUPPORT_H
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/* We need this for 'domain_enum', alas... */
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#include "symtab.h"
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#include "vec.h"
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#include "gdb_vecs.h"
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#include "gdb_obstack.h"
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/* Opaque declarations. */
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struct symbol;
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struct block;
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struct objfile;
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struct type;
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struct demangle_component;
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/* A string representing the name of the anonymous namespace used in GDB. */
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#define CP_ANONYMOUS_NAMESPACE_STR "(anonymous namespace)"
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/* The length of the string representing the anonymous namespace. */
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#define CP_ANONYMOUS_NAMESPACE_LEN 21
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/* The result of parsing a name. */
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struct demangle_parse_info
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{
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/* The memory used during the parse. */
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struct demangle_info *info;
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/* The result of the parse. */
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struct demangle_component *tree;
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/* Any temporary memory used during typedef replacement. */
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struct obstack obstack;
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};
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/* This struct is designed to store data from using directives. It
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says that names from namespace IMPORT_SRC should be visible within
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namespace IMPORT_DEST. These form a linked list; NEXT is the next
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element of the list. If the imported namespace or declaration has
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been aliased within the IMPORT_DEST namespace, ALIAS is set to a
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string representing the alias. Otherwise, ALIAS is NULL.
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DECLARATION is the name of the imported declaration, if this import
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statement represents one. Otherwise DECLARATION is NULL and this
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import statement represents a namespace.
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C++: using namespace A;
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Fortran: use A
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import_src = "A"
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import_dest = local scope of the import statement even such as ""
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alias = NULL
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declaration = NULL
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excludes = NULL
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C++: using A::x;
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Fortran: use A, only: x
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import_src = "A"
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import_dest = local scope of the import statement even such as ""
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alias = NULL
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declaration = "x"
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excludes = NULL
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The declaration will get imported as import_dest::x.
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C++ has no way to import all names except those listed ones.
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Fortran: use A, localname => x
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import_src = "A"
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import_dest = local scope of the import statement even such as ""
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alias = "localname"
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declaration = "x"
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excludes = NULL
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+
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import_src = "A"
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import_dest = local scope of the import statement even such as ""
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alias = NULL
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declaration = NULL
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excludes = ["x"]
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All the entries of A get imported except of "x". "x" gets imported as
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"localname". "x" is not defined as a local name by this statement.
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C++: namespace LOCALNS = A;
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Fortran has no way to address non-local namespace/module.
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import_src = "A"
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import_dest = local scope of the import statement even such as ""
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alias = "LOCALNS"
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declaration = NULL
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excludes = NULL
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The namespace will get imported as the import_dest::LOCALNS
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namespace.
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C++ cannot express it, it would be something like: using localname
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= A::x;
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Fortran: use A, only localname => x
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import_src = "A"
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import_dest = local scope of the import statement even such as ""
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alias = "localname"
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declaration = "x"
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excludes = NULL
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The declaration will get imported as localname or
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`import_dest`localname. */
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struct using_direct
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{
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char *import_src;
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char *import_dest;
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char *alias;
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char *declaration;
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struct using_direct *next;
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/* Used during import search to temporarily mark this node as
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searched. */
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int searched;
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/* USING_DIRECT has variable allocation size according to the number of
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EXCLUDES entries, the last entry is NULL. */
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const char *excludes[1];
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};
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/* Functions from cp-support.c. */
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extern char *cp_canonicalize_string (const char *string);
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extern char *cp_canonicalize_string_no_typedefs (const char *string);
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typedef const char *(canonicalization_ftype) (struct type *, void *);
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extern char *cp_canonicalize_string_full (const char *string,
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canonicalization_ftype *finder,
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void *data);
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extern char *cp_class_name_from_physname (const char *physname);
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extern char *method_name_from_physname (const char *physname);
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extern unsigned int cp_find_first_component (const char *name);
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extern unsigned int cp_entire_prefix_len (const char *name);
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extern char *cp_func_name (const char *full_name);
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extern char *cp_remove_params (const char *demangled_name);
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extern struct symbol **make_symbol_overload_list (const char *,
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const char *);
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extern struct symbol **make_symbol_overload_list_adl (struct type **arg_types,
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int nargs,
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const char *func_name);
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extern struct type *cp_lookup_rtti_type (const char *name,
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struct block *block);
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/* Functions/variables from cp-namespace.c. */
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extern int cp_is_anonymous (const char *namespace);
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extern void cp_add_using_directive (const char *dest,
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const char *src,
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const char *alias,
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const char *declaration,
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VEC (const_char_ptr) *excludes,
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struct obstack *obstack);
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extern void cp_set_block_scope (const struct symbol *symbol,
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struct block *block,
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struct obstack *obstack,
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const char *processing_current_prefix,
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int processing_has_namespace_info);
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extern void cp_scan_for_anonymous_namespaces (const struct symbol *symbol,
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struct objfile *objfile);
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extern struct symbol *cp_lookup_symbol_nonlocal (const char *name,
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const struct block *block,
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const domain_enum domain);
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extern struct symbol *cp_lookup_symbol_namespace (const char *namespace,
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const char *name,
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const struct block *block,
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const domain_enum domain);
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extern struct symbol *cp_lookup_symbol_imports (const char *scope,
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const char *name,
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const struct block *block,
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const domain_enum domain,
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const int declaration_only,
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const int search_parents);
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extern struct symbol *cp_lookup_symbol_imports_or_template
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(const char *scope,
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const char *name,
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const struct block *block,
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const domain_enum domain);
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extern struct symbol *cp_lookup_nested_symbol (struct type *parent_type,
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const char *nested_name,
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const struct block *block);
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struct type *cp_lookup_transparent_type (const char *name);
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/* Functions from cp-name-parser.y. */
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extern struct demangle_parse_info *cp_demangled_name_to_comp
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(const char *demangled_name, const char **errmsg);
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extern char *cp_comp_to_string (struct demangle_component *result,
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int estimated_len);
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extern void cp_demangled_name_parse_free (struct demangle_parse_info *);
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extern struct cleanup *make_cleanup_cp_demangled_name_parse_free
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(struct demangle_parse_info *);
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extern void cp_merge_demangle_parse_infos (struct demangle_parse_info *,
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struct demangle_component *,
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struct demangle_parse_info *);
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extern struct demangle_parse_info *cp_new_demangle_parse_info (void);
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/* The list of "maint cplus" commands. */
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extern struct cmd_list_element *maint_cplus_cmd_list;
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#endif /* CP_SUPPORT_H */
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