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/*
* Copyright (c) 2016-2017, 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 Rose build: code for constructing literal tables.
*/
#ifndef ROSE_BUILD_MATCHERS_H
#define ROSE_BUILD_MATCHERS_H
#include "rose_build_impl.h"
#include "rose_build_lit_accel.h"
#include "hwlm/hwlm_build.h"
#include "util/bytecode_ptr.h"
#include "util/ue2string.h"
#include <vector>
struct Grey;
struct HWLM;
namespace ue2 {
static constexpr u32 INVALID_FRAG_ID = ~0U;
struct LitFragment {
LitFragment(u32 fragment_id_in, ue2_literal s_in,
rose_group groups_in, u32 lit_id)
: fragment_id(fragment_id_in), s(s_in), groups(groups_in),
lit_ids({lit_id}) {}
LitFragment(u32 fragment_id_in, ue2_literal s_in,
rose_group groups_in, std::vector<u32> lit_ids_in)
: fragment_id(fragment_id_in), s(s_in), groups(groups_in),
lit_ids(std::move(lit_ids_in)) {}
u32 fragment_id;
/**
* \brief literal fragment.
*/
ue2_literal s;
/**
* \brief FDR confirm squash mask for included literals.
*/
u8 squash = 0;
/**
* \brief FDR confirm squash mask for included literals (Delayed
* literals only).
*/
u8 delay_squash = 0;
/**
* \brief Fragment id of included literal.
*/
u32 included_frag_id = INVALID_FRAG_ID;
/**
* \brief Fragment Id of included literal (Delayed literals only).
*/
u32 included_delay_frag_id = INVALID_FRAG_ID;
rose_group groups;
std::vector<u32> lit_ids;
u32 lit_program_offset = ROSE_INVALID_PROG_OFFSET;
u32 delay_program_offset = ROSE_INVALID_PROG_OFFSET;
};
struct LitProto {
LitProto(std::unique_ptr<HWLMProto> hwlmProto_in,
std::vector<AccelString> &accel_lits_in)
: hwlmProto(std::move(hwlmProto_in)), accel_lits(accel_lits_in) {}
std::unique_ptr<HWLMProto> hwlmProto;
std::vector<AccelString> accel_lits;
};
bytecode_ptr<HWLM>
buildHWLMMatcher(const RoseBuildImpl &build, LitProto *proto);
std::unique_ptr<LitProto>
buildFloatingMatcherProto(const RoseBuildImpl &build,
const std::vector<LitFragment> &fragments,
size_t longLitLengthThreshold,
rose_group *fgroups,
size_t *historyRequired);
std::unique_ptr<LitProto>
buildDelayRebuildMatcherProto(const RoseBuildImpl &build,
const std::vector<LitFragment> &fragments,
size_t longLitLengthThreshold);
std::unique_ptr<LitProto>
buildSmallBlockMatcherProto(const RoseBuildImpl &build,
const std::vector<LitFragment> &fragments);
std::unique_ptr<LitProto>
buildEodAnchoredMatcherProto(const RoseBuildImpl &build,
const std::vector<LitFragment> &fragments);
void findMoreLiteralMasks(RoseBuildImpl &build);
} // namespace ue2
#endif // ROSE_BUILD_MATCHERS_H
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