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- /*
- * Copyright 2010-2011 PathScale, Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS
- * IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
- * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
- #ifndef _LINUX_TYPEINFO_
- #define _LINUX_TYPEINFO_
- #include <stddef.h>
- #include "exception"
- namespace __cxxabiv1
- {
- struct __class_type_info;
- }
- namespace std
- {
- /**
- * Standard type info class. The layout of this class is specified by the
- * ABI. The layout of the vtable is not, but is intended to be
- * compatible with the GNU ABI.
- *
- * Unlike the GNU version, the vtable layout is considered semi-private.
- */
- class type_info
- {
- public:
- /**
- * Virtual destructor. This class must have one virtual function to
- * ensure that it has a vtable.
- */
- virtual ~type_info();
- bool operator==(const type_info &) const;
- bool operator!=(const type_info &) const;
- bool before(const type_info &) const;
- const char* name() const;
- type_info();
- private:
- type_info(const type_info& rhs);
- type_info& operator= (const type_info& rhs);
- const char *__type_name;
- /*
- * The following functions are in this order to match the
- * vtable layout of libsupc++. This allows libcxxrt to be used
- * with libraries that depend on this.
- *
- * These functions are in the public headers for libstdc++, so
- * we have to assume that someone will probably call them and
- * expect them to work. Their names must also match the names used in
- * libsupc++, so that code linking against this library can subclass
- * type_info and correctly fill in the values in the vtables.
- */
- public:
- /**
- * Returns true if this is some pointer type, false otherwise.
- */
- virtual bool __is_pointer_p() const { return false; }
- /**
- * Returns true if this is some function type, false otherwise.
- */
- virtual bool __is_function_p() const { return false; }
- /**
- * Catch function. Allows external libraries to implement
- * their own basic types. This is used, for example, in the
- * GNUstep Objective-C runtime to allow Objective-C types to be
- * caught in G++ catch blocks.
- *
- * The outer parameter indicates the number of outer pointers
- * in the high bits. The low bit indicates whether the
- * pointers are const qualified.
- */
- virtual bool __do_catch(const type_info *thrown_type,
- void **thrown_object,
- unsigned outer) const;
- /**
- * Performs an upcast. This is used in exception handling to
- * cast from subclasses to superclasses. If the upcast is
- * possible, it returns true and adjusts the pointer. If the
- * upcast is not possible, it returns false and does not adjust
- * the pointer.
- */
- virtual bool __do_upcast(
- const __cxxabiv1::__class_type_info *target,
- void **thrown_object) const
- {
- (void)target, (void)thrown_object;
- return false;
- }
- };
- /**
- * Bad cast exception. Thrown by the __cxa_bad_cast() helper function.
- */
- class bad_cast: public exception {
- public:
- bad_cast() throw();
- bad_cast(const bad_cast&) throw();
- bad_cast& operator=(const bad_cast&) throw();
- virtual ~bad_cast();
- virtual const char* what() const throw();
- };
- /**
- * Bad typeidexception. Thrown by the __cxa_bad_typeid() helper function.
- */
- class bad_typeid: public exception
- {
- public:
- bad_typeid() throw();
- bad_typeid(const bad_typeid &__rhs) throw();
- virtual ~bad_typeid();
- bad_typeid& operator=(const bad_typeid &__rhs) throw();
- virtual const char* what() const throw();
- };
- class bad_array_new_length: public bad_alloc
- {
- public:
- bad_array_new_length() throw();
- bad_array_new_length(const bad_array_new_length&) throw();
- bad_array_new_length& operator=(const bad_array_new_length&) throw();
- virtual ~bad_array_new_length();
- virtual const char *what() const throw();
- };
- }
- #endif /* _LINUX_TYPEINFO_ */
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