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/*
* Copyright (c) 2015, Intel Corporation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Intel Corporation nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* 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 OWNER 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.
*/
/** \file
* \brief Back-references (/([a-f]{3}).*\\1/)
*/
#include "ComponentBackReference.h"
#include "buildstate.h"
#include "position.h"
#include "position_info.h"
#include "nfagraph/ng_builder.h"
#include "util/charreach.h"
#include <cassert>
using namespace std;
namespace ue2 {
ComponentBackReference::ComponentBackReference(unsigned int id)
: ref_id(id) {}
ComponentBackReference::ComponentBackReference(const string &s)
: name(s), ref_id(0) {}
ComponentBackReference * ComponentBackReference::clone() const {
return new ComponentBackReference(*this);
}
vector<PositionInfo> ComponentBackReference::first() const {
assert(0);
return vector<PositionInfo>();
}
vector<PositionInfo> ComponentBackReference::last() const {
assert(0);
return vector<PositionInfo>();
}
bool ComponentBackReference::empty(void) const { return true; }
void ComponentBackReference::notePositions(GlushkovBuildState &) {
assert(0);
}
void ComponentBackReference::buildFollowSet(GlushkovBuildState &,
const vector<PositionInfo> &) {
assert(0);
}
} // namespace
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