mirror of
https://github.com/blakeblackshear/frigate.git
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72 lines
2.3 KiB
C++
72 lines
2.3 KiB
C++
/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2015-2024 Advanced Micro Devices, Inc. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <migraphx/lexing.hpp>
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namespace migraphx {
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inline namespace MIGRAPHX_INLINE_NS {
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std::function<const char*(const char*, const char*)> lex_equal(const std::string& s)
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{
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return [=](const char* start, const char* end) {
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auto n = end - start;
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if(n < s.size())
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return start;
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if(std::equal(start, start + s.size(), s.data()))
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return start + s.size();
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return start;
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};
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}
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std::vector<std::string_view>
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tokenize(const char* start, const char* end, const std::vector<lexer>& lexers)
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{
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std::vector<std::string_view> result;
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while(start != end)
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{
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bool error = true;
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for(const auto& l : lexers)
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{
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const auto* next = l(start, end);
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if(next != start)
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{
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result.emplace_back(start, next - start);
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start = next;
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error = false;
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break;
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}
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}
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if(error)
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{
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MIGRAPHX_THROW("TOKENIZE: no token found!");
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}
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}
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return result;
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}
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} // namespace MIGRAPHX_INLINE_NS
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} // namespace migraphx
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