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author | bnagaev <bnagaev@yandex-team.ru> | 2022-02-10 16:47:04 +0300 |
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committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:47:04 +0300 |
commit | c74559fb88da8adac0d9186cfa55a6b13c47695f (patch) | |
tree | b83306b6e37edeea782e9eed673d89286c4fef35 /contrib/libs/hyperscan/src/parser/ComponentAssertion.cpp | |
parent | d6449ba66291ff0c0d352c82e6eb3efb4c8a7e8d (diff) | |
download | ydb-c74559fb88da8adac0d9186cfa55a6b13c47695f.tar.gz |
Restoring authorship annotation for <bnagaev@yandex-team.ru>. Commit 2 of 2.
Diffstat (limited to 'contrib/libs/hyperscan/src/parser/ComponentAssertion.cpp')
-rw-r--r-- | contrib/libs/hyperscan/src/parser/ComponentAssertion.cpp | 242 |
1 files changed, 121 insertions, 121 deletions
diff --git a/contrib/libs/hyperscan/src/parser/ComponentAssertion.cpp b/contrib/libs/hyperscan/src/parser/ComponentAssertion.cpp index ae023dad5a..cadff93264 100644 --- a/contrib/libs/hyperscan/src/parser/ComponentAssertion.cpp +++ b/contrib/libs/hyperscan/src/parser/ComponentAssertion.cpp @@ -1,121 +1,121 @@ -/* - * 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 Lookahead/lookbehind zero-width assertions. - */ -#include "ComponentAssertion.h" -#include "buildstate.h" -#include "position.h" -#include "position_info.h" -#include "ue2common.h" - -#include <cassert> -#include <algorithm> - -using namespace std; - -namespace ue2 { - -ComponentAssertion::ComponentAssertion(enum Direction dir, enum Sense sense) - : m_dir(dir), m_sense(sense) {} - -ComponentAssertion::~ComponentAssertion() { } - -ComponentAssertion *ComponentAssertion::clone() const { - return new ComponentAssertion(*this); -} - -Component * ComponentAssertion::accept(ComponentVisitor &v) { - Component *c = v.visit(this); - if (c != this) { - v.post(this); - return c; - } - - for (auto i = children.begin(), e = children.end(); i != e; ++i) { - Component *child = i->get(); - c = (*i)->accept(v); - if (c != child) { - // Child has been replaced (new Component pointer) or we've been - // instructed to delete it (null). - i->reset(c); - } - } - - // Remove deleted children. - children.erase(remove(children.begin(), children.end(), nullptr), - children.end()); - - v.post(this); - return this; -} - -void ComponentAssertion::accept(ConstComponentVisitor &v) const { - v.pre(*this); - for (auto i = children.begin(), e = children.end(); i != e; ++i) { - (*i)->accept(v); - if (i + 1 != e) { - v.during(*this); - } - } - - v.post(*this); -} - -vector<PositionInfo> ComponentAssertion::first() const { - assert(0); - return vector<PositionInfo>(); -} - -vector<PositionInfo> ComponentAssertion::last() const { - assert(0); - return vector<PositionInfo>(); -} - -bool ComponentAssertion::empty() const { - return true; -} - -void ComponentAssertion::notePositions(GlushkovBuildState &) { - assert(0); -} - -void ComponentAssertion::buildFollowSet(GlushkovBuildState &, - const vector<PositionInfo> &) { - assert(0); -} - -bool ComponentAssertion::repeatable() const { - // If this assertion has no children (it's an empty sequence, like that - // produced by '(?!)') then PCRE would throw a "nothing to repeat" error. - // So we do as well. - return !children.empty(); -} - -} // namespace ue2 +/* + * 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 Lookahead/lookbehind zero-width assertions. + */ +#include "ComponentAssertion.h" +#include "buildstate.h" +#include "position.h" +#include "position_info.h" +#include "ue2common.h" + +#include <cassert> +#include <algorithm> + +using namespace std; + +namespace ue2 { + +ComponentAssertion::ComponentAssertion(enum Direction dir, enum Sense sense) + : m_dir(dir), m_sense(sense) {} + +ComponentAssertion::~ComponentAssertion() { } + +ComponentAssertion *ComponentAssertion::clone() const { + return new ComponentAssertion(*this); +} + +Component * ComponentAssertion::accept(ComponentVisitor &v) { + Component *c = v.visit(this); + if (c != this) { + v.post(this); + return c; + } + + for (auto i = children.begin(), e = children.end(); i != e; ++i) { + Component *child = i->get(); + c = (*i)->accept(v); + if (c != child) { + // Child has been replaced (new Component pointer) or we've been + // instructed to delete it (null). + i->reset(c); + } + } + + // Remove deleted children. + children.erase(remove(children.begin(), children.end(), nullptr), + children.end()); + + v.post(this); + return this; +} + +void ComponentAssertion::accept(ConstComponentVisitor &v) const { + v.pre(*this); + for (auto i = children.begin(), e = children.end(); i != e; ++i) { + (*i)->accept(v); + if (i + 1 != e) { + v.during(*this); + } + } + + v.post(*this); +} + +vector<PositionInfo> ComponentAssertion::first() const { + assert(0); + return vector<PositionInfo>(); +} + +vector<PositionInfo> ComponentAssertion::last() const { + assert(0); + return vector<PositionInfo>(); +} + +bool ComponentAssertion::empty() const { + return true; +} + +void ComponentAssertion::notePositions(GlushkovBuildState &) { + assert(0); +} + +void ComponentAssertion::buildFollowSet(GlushkovBuildState &, + const vector<PositionInfo> &) { + assert(0); +} + +bool ComponentAssertion::repeatable() const { + // If this assertion has no children (it's an empty sequence, like that + // produced by '(?!)') then PCRE would throw a "nothing to repeat" error. + // So we do as well. + return !children.empty(); +} + +} // namespace ue2 |