first commit
This commit is contained in:
Jose Caban
378
extern/stdcxx/4.2.1/include/loc/_num_get.h
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378
extern/stdcxx/4.2.1/include/loc/_num_get.h
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/***************************************************************************
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*
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* _num_get.h - definition of the std::num_get class template
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*
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* This is an internal header file used to implement the C++ Standard
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* Library. It should never be #included directly by a program.
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*
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* $Id: _num_get.h 648752 2008-04-16 17:01:56Z faridz $
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*
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***************************************************************************
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* permissions and limitations under the License.
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*
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* Copyright 2001-2008 Rogue Wave Software, Inc.
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*
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**************************************************************************/
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#ifndef _RWSTD_LOC_NUM_GET_H_INCLUDED
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#define _RWSTD_LOC_NUM_GET_H_INCLUDED
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#if __GNUG__ >= 3
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# pragma GCC system_header
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#endif // gcc >= 3
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#include <loc/_facet.h>
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#include <rw/_ioiter.h>
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#include <rw/_iosfwd.h>
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#include <rw/_traits.h>
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#include <rw/_defs.h>
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_RWSTD_NAMESPACE (std) {
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// 22.2.2.1
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_EXPORT
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template <class _CharT, class _InputIter = istreambuf_iterator<_CharT> >
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struct num_get: _RW::__rw_facet
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{
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typedef _CharT char_type;
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typedef _InputIter iter_type;
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static _RW::__rw_facet_id id;
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_EXPLICIT num_get (_RWSTD_SIZE_T __refs = 0)
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: _RW::__rw_facet (__refs) { }
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#ifndef _RWSTD_NO_NATIVE_BOOL
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iter_type get (iter_type __begin, iter_type __end, ios_base &__flags,
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_RWSTD_IOSTATE &__err, bool &__val) const {
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_RWSTD_ASSERT_RANGE (__begin, __end);
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return do_get (__begin, __end, __flags, __err, __val);
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}
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#endif // _RWSTD_NO_NATIVE_BOOL
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iter_type get (iter_type __begin, iter_type __end, ios_base &__flags,
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_RWSTD_IOSTATE &__err, unsigned short &__val) const {
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_RWSTD_ASSERT_RANGE (__begin, __end);
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return do_get (__begin, __end, __flags, __err, __val);
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}
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#ifndef _RWSTD_NO_EXT_NUM_GET
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// extension
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iter_type
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get (iter_type, iter_type, ios_base&, _RWSTD_IOSTATE&, short&) const;
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// extension
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iter_type
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get (iter_type, iter_type, ios_base&, _RWSTD_IOSTATE&, int&) const;
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#endif // _RWSTD_NO_EXT_NUM_GET
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iter_type get (iter_type __begin, iter_type __end, ios_base &__flags,
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_RWSTD_IOSTATE &__err, unsigned int &__val) const {
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_RWSTD_ASSERT_RANGE (__begin, __end);
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return do_get (__begin, __end, __flags, __err, __val);
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}
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iter_type get (iter_type __begin, iter_type __end, ios_base &__flags,
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_RWSTD_IOSTATE &__err, long &__val) const {
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_RWSTD_ASSERT_RANGE (__begin, __end);
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return do_get (__begin, __end, __flags, __err, __val);
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}
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iter_type get (iter_type __begin, iter_type __end, ios_base &__flags,
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_RWSTD_IOSTATE &__err, unsigned long &__val) const {
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_RWSTD_ASSERT_RANGE (__begin, __end);
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return do_get (__begin, __end, __flags, __err, __val);
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}
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iter_type get (iter_type __begin, iter_type __end, ios_base &__flags,
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_RWSTD_IOSTATE &__err, float &__val) const {
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_RWSTD_ASSERT_RANGE (__begin, __end);
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return do_get (__begin, __end, __flags, __err, __val);
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}
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iter_type get (iter_type __begin, iter_type __end, ios_base &__flags,
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_RWSTD_IOSTATE &__err, double &__val) const {
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_RWSTD_ASSERT_RANGE (__begin, __end);
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return do_get (__begin, __end, __flags, __err, __val);
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}
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#ifndef _RWSTD_LONG_DOUBLE
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iter_type get (iter_type __begin, iter_type __end, ios_base &__flags,
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_RWSTD_IOSTATE &__err, long double &__val) const {
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_RWSTD_ASSERT_RANGE (__begin, __end);
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return do_get (__begin, __end, __flags, __err, __val);
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}
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#endif // _RWSTD_LONG_DOUBLE
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iter_type get (iter_type __begin, iter_type __end, ios_base &__flags,
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_RWSTD_IOSTATE &__err, void* &__val) const {
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_RWSTD_ASSERT_RANGE (__begin, __end);
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return do_get (__begin, __end, __flags, __err, __val);
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}
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#ifdef _RWSTD_LONG_LONG
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// extension
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iter_type get (iter_type __begin, iter_type __end, ios_base &__flags,
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_RWSTD_IOSTATE &__err, _RWSTD_LONG_LONG &__val) const {
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_RWSTD_ASSERT_RANGE (__begin, __end);
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return do_get (__begin, __end, __flags, __err, __val);
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}
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// extension
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iter_type get (iter_type __begin, iter_type __end, ios_base &__flags,
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_RWSTD_IOSTATE &__err,
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unsigned _RWSTD_LONG_LONG &__val) const {
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_RWSTD_ASSERT_RANGE (__begin, __end);
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return do_get (__begin, __end, __flags, __err, __val);
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}
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#endif // _RWSTD_LONG_LONG
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protected:
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#ifndef _RWSTD_NO_NATIVE_BOOL
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virtual iter_type
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do_get (iter_type, iter_type, ios_base&, _RWSTD_IOSTATE&, bool&) const;
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#endif // _RWSTD_NO_NATIVE_BOOL
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virtual iter_type
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do_get (iter_type __begin, iter_type __end, ios_base &__flags,
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_RWSTD_IOSTATE &__err, unsigned short &__val) const {
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return _C_get (__begin, __end, __flags, __err, _C_ushort, &__val);
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}
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virtual iter_type
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do_get (iter_type __begin, iter_type __end, ios_base &__flags,
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_RWSTD_IOSTATE &__err, unsigned int &__val) const {
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return _C_get (__begin, __end, __flags, __err, _C_uint, &__val);
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}
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virtual iter_type
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do_get (iter_type __begin, iter_type __end, ios_base &__flags,
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_RWSTD_IOSTATE &__err, long &__val) const {
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return _C_get (__begin, __end, __flags, __err, _C_long, &__val);
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}
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virtual iter_type
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do_get (iter_type __begin, iter_type __end, ios_base &__flags,
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_RWSTD_IOSTATE &__err, unsigned long &__val) const {
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return _C_get (__begin, __end, __flags, __err, _C_ulong, &__val);
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}
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virtual iter_type
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do_get (iter_type __begin, iter_type __end, ios_base &__flags,
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_RWSTD_IOSTATE &__err, float &__val) const {
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return _C_get (__begin, __end, __flags, __err, _C_float, &__val);
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}
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virtual iter_type
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do_get (iter_type __begin, iter_type __end, ios_base &__flags,
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_RWSTD_IOSTATE &__err, double &__val) const {
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return _C_get (__begin, __end, __flags, __err, _C_double, &__val);
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}
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#ifndef _RWSTD_LONG_DOUBLE
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virtual iter_type
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do_get (iter_type __begin, iter_type __end, ios_base &__flags,
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_RWSTD_IOSTATE &__err, long double &__val) const {
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return _C_get (__begin, __end, __flags, __err, _C_ldouble, &__val);
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}
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#endif // _RWSTD_LONG_DOUBLE
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virtual iter_type
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do_get (iter_type __begin, iter_type __end, ios_base &__flags,
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_RWSTD_IOSTATE &__err, void* &__val) const {
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return _C_get (__begin, __end, __flags, __err, _C_pvoid, &__val);
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}
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#ifdef _RWSTD_LONG_LONG
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// extension
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virtual iter_type
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do_get (iter_type __begin, iter_type __end, ios_base &__flags,
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_RWSTD_IOSTATE &__err, _RWSTD_LONG_LONG &__val) const {
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return _C_get (__begin, __end, __flags, __err, _C_llong, &__val);
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}
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// extension
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virtual iter_type
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do_get (iter_type __begin, iter_type __end, ios_base &__flags,
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_RWSTD_IOSTATE &__err, unsigned _RWSTD_LONG_LONG &__val) const {
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return _C_get (__begin, __end, __flags, __err, _C_ullong, &__val);
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}
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#endif // _RWSTD_LONG_LONG
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private:
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iter_type
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_C_get (iter_type, iter_type, ios_base&,
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_RWSTD_IOSTATE&, int, void*) const;
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};
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#ifndef _RWSTD_NO_SPECIALIZED_FACET_ID
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_RWSTD_SPECIALIZED_CLASS
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_RW::__rw_facet_id num_get<char, istreambuf_iterator<char> >::id;
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# ifndef _RWSTD_NO_WCHAR_T
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_RWSTD_SPECIALIZED_CLASS
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_RW::__rw_facet_id num_get<wchar_t, istreambuf_iterator<wchar_t> >::id;
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# endif // _RWSTD_NO_WCHAR_T
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#endif // _RWSTD_NO_SPECIALIZED_FACET_ID
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} // namespace std
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_RWSTD_NAMESPACE (__rw) {
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inline short
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__rw_check_overflow_short (long __lval, _RWSTD_FMTFLAGS __flags,
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_RWSTD_IOSTATE &__err)
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{
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#if _RWSTD_SHRT_MAX < _RWSTD_LONG_MAX
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long __shrt_min;
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long __shrt_max;
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if ( __lval < 0
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|| (__flags & _RW::__rw_basefield) == _RW::__rw_dec) {
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// decimal parsing overflows outside the range below
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__shrt_max = long (_RWSTD_SHRT_MAX);
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__shrt_min = long (_RWSTD_SHRT_MIN);
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}
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else {
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// other than decimal parsing overflows outside the range below
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// (unreliable if basefield is 0 and the sequence is decimal)
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__shrt_max = long (_RWSTD_USHRT_MAX);
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__shrt_min = long (_RWSTD_USHRT_MIN);
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}
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// lwg issue 23: check for overflow
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if (__lval < __shrt_min) {
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__err |= _RW::__rw_failbit;
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return short (_RWSTD_SHRT_MIN);
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}
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else if (__lval > __shrt_max) {
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__err |= _RW::__rw_failbit;
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return short (_RWSTD_SHRT_MAX);
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}
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#else // if LONG_MAX <= SHRT_MAX
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_RWSTD_UNUSED (__flags);
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_RWSTD_UNUSED (__err);
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#endif // _RWSTD_SHRT_MAX < _RWSTD_LONG_MAX
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return _RWSTD_STATIC_CAST (short, __lval);
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}
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inline int
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__rw_check_overflow_int (long __lval, _RWSTD_FMTFLAGS __flags,
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_RWSTD_IOSTATE &__err)
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{
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#if _RWSTD_INT_MAX < _RWSTD_LONG_MAX
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long __int_min;
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long __int_max;
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if ( __lval < 0
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|| (__flags & _RW::__rw_basefield) == _RW::__rw_dec) {
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// decimal parsing overflows outside the range below
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__int_max = long (_RWSTD_INT_MAX);
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__int_min = long (_RWSTD_INT_MIN);
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}
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else {
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// other than decimal parsing overflows outside the range below
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// (unreliable if basefield is 0 and the sequence is decimal)
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__int_max = long (_RWSTD_UINT_MAX);
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__int_min = long (_RWSTD_UINT_MIN);
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}
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// lwg issue 23: check for overflow
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if (__lval < __int_min) {
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__err |= _RW::__rw_failbit;
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return int (_RWSTD_INT_MIN);
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}
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else if (__lval > __int_max) {
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__err |= _RW::__rw_failbit;
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return int (_RWSTD_INT_MAX);
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}
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#else // if LONG_MAX <= INT_MAX
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_RWSTD_UNUSED (__flags);
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_RWSTD_UNUSED (__err);
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#endif // _RWSTD_INT_MAX < _RWSTD_LONG_MAX
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return _RWSTD_STATIC_CAST (int, __lval);
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}
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} // namespace __rw
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#if _RWSTD_DEFINE_TEMPLATE_FIRST (_NUM_GET)
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# include <loc/_num_get.cc>
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#endif // _RWSTD_DEFINE_TEMPLATE_FIRST (_NUM_GET)
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_RWSTD_NAMESPACE (std) {
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#if _RWSTD_INSTANTIATE (_NUM_GET, _CHAR)
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_RWSTD_INSTANTIATE_1 (struct _RWSTD_TI_EXPORT num_get<char>);
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#endif // _RWSTD_INSTANTIATE (_NUM_GET, _CHAR)
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#if _RWSTD_INSTANTIATE (_NUM_GET, _WCHAR_T)
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_RWSTD_INSTANTIATE_1 (struct _RWSTD_TI_EXPORT num_get<wchar_t>);
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#endif // _RWSTD_INSTANTIATE (_NUM_GET, _WCHAR_T)
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} // namespace std
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#if _RWSTD_DEFINE_TEMPLATE_LAST (_NUM_GET)
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# include <loc/_num_get.cc>
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#endif // _RWSTD_DEFINE_TEMPLATE_LAST (_NUM_GET)
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#endif // _RWSTD_LOC_NUM_GET_H_INCLUDED
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