mirror of
https://github.com/MaskRay/ccls.git
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89 lines
2.2 KiB
C++
89 lines
2.2 KiB
C++
/* Copyright 2017-2018 ccls Authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==============================================================================*/
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#pragma once
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#include "maybe.hh"
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#include "utils.hh"
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#include <stdint.h>
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#include <string>
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namespace ccls {
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struct Pos {
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int16_t line = -1;
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int16_t column = -1;
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static Pos FromString(const std::string &encoded);
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bool Valid() const { return line >= 0; }
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std::string ToString();
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// Compare two Positions and check if they are equal. Ignores the value of
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// |interesting|.
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bool operator==(const Pos &o) const {
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return line == o.line && column == o.column;
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}
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bool operator<(const Pos &o) const {
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if (line != o.line)
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return line < o.line;
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return column < o.column;
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}
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bool operator<=(const Pos &o) const { return !(o < *this); }
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};
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struct Range {
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Pos start;
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Pos end;
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static Range FromString(const std::string &encoded);
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bool Valid() const { return start.Valid(); }
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bool Contains(int line, int column) const;
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std::string ToString();
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bool operator==(const Range &o) const {
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return start == o.start && end == o.end;
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}
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bool operator<(const Range &o) const {
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return !(start == o.start) ? start < o.start : end < o.end;
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}
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};
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// Reflection
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class Reader;
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class Writer;
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void Reflect(Reader &visitor, Pos &value);
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void Reflect(Writer &visitor, Pos &value);
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void Reflect(Reader &visitor, Range &value);
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void Reflect(Writer &visitor, Range &value);
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} // namespace ccls
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namespace std {
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template <> struct hash<ccls::Range> {
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std::size_t operator()(ccls::Range x) const {
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union {
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ccls::Range range;
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uint64_t u64;
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} u{x};
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static_assert(sizeof(ccls::Range) == 8);
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return hash<uint64_t>()(u.u64);
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}
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};
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} // namespace std
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MAKE_HASHABLE(ccls::Pos, t.line, t.column);
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