mirror of git://gcc.gnu.org/git/gcc.git
104 lines
3.7 KiB
C++
104 lines
3.7 KiB
C++
/*
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Copyright (c) 2014-2016 Intel Corporation. All Rights Reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of Intel Corporation nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*! \file
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\brief Iterator of Variable tables list used by the runtime library
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*/
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#ifndef OFFLOAD_ITERATOR_H_INCLUDED
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#define OFFLOAD_ITERATOR_H_INCLUDED
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#include <iterator>
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#include "offload_table.h"
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// The following class is for iteration over var table.
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// It was extracted and moved to this offload_iterator.h file from offload_table.h
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// to solve the problem with compiling with VS 2010. The problem was in incompatibility
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// of STL objects in VS 2010 with ones in later VS versions.
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// var table list iterator
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class Iterator : public std::iterator<std::input_iterator_tag,
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VarTable::Entry> {
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public:
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Iterator() : m_node(0), m_entry(0) {}
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explicit Iterator(TableList<VarTable>::Node *node) {
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new_node(node);
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}
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Iterator& operator++() {
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if (m_entry != 0) {
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m_entry++;
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while (m_entry->name == 0) {
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m_entry++;
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}
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if (m_entry->name == reinterpret_cast<const char*>(-1)) {
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new_node(m_node->next);
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}
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}
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return *this;
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}
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bool operator==(const Iterator &other) const {
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return m_entry == other.m_entry;
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}
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bool operator!=(const Iterator &other) const {
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return m_entry != other.m_entry;
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}
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const VarTable::Entry* operator*() const {
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return m_entry;
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}
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private:
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void new_node(TableList<VarTable>::Node *node) {
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m_node = node;
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m_entry = 0;
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while (m_node != 0) {
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m_entry = m_node->table.entries;
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while (m_entry->name == 0) {
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m_entry++;
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}
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if (m_entry->name != reinterpret_cast<const char*>(-1)) {
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break;
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}
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m_node = m_node->next;
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m_entry = 0;
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}
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}
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private:
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TableList<VarTable>::Node *m_node;
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const VarTable::Entry *m_entry;
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};
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#endif // OFFLOAD_ITERATOR_H_INCLUDED
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