You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
84 lines
2.5 KiB
84 lines
2.5 KiB
/* |
|
* Copyright (C) 2016 The Android Open Source Project |
|
* |
|
* Licensed under the Apache License, Version 2.0 (the "License"); |
|
* you may not use this file except in compliance with the License. |
|
* You may obtain a copy of the License at |
|
* |
|
* http://www.apache.org/licenses/LICENSE-2.0 |
|
* |
|
* Unless required by applicable law or agreed to in writing, software |
|
* distributed under the License is distributed on an "AS IS" BASIS, |
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
|
* See the License for the specific language governing permissions and |
|
* limitations under the License. |
|
*/ |
|
|
|
#ifndef LOCATION_H_ |
|
#define LOCATION_H_ |
|
|
|
#include <iostream> |
|
#include <stdint.h> |
|
#include <string> |
|
|
|
// Mimics for yy::location and yy::position |
|
namespace android { |
|
|
|
struct Position { |
|
Position(std::string f, size_t l, size_t c) |
|
: mFilename(f), mLine(l), mColumn(c) {} |
|
inline const std::string &filename() const { return mFilename; } |
|
inline size_t line() const { return mLine; } |
|
inline size_t column() const { return mColumn; } |
|
|
|
private: |
|
// File name to which this position refers. |
|
const std::string mFilename; |
|
// Current line number. |
|
const size_t mLine; |
|
// Current column number. |
|
const size_t mColumn; |
|
}; |
|
|
|
inline std::ostream& operator<< (std::ostream& ostr, const Position& pos) { |
|
if (!pos.filename().empty()) { |
|
ostr << pos.filename() << ":"; |
|
} |
|
return ostr << pos.line() << "." << pos.column(); |
|
} |
|
|
|
struct Location { |
|
Location (Position begin, Position end) |
|
: mBegin(begin), mEnd(end) {} |
|
inline const Position &begin() const { return mBegin; } |
|
inline const Position &end() const { return mEnd; } |
|
|
|
inline static Location startOf(const std::string &path) { |
|
return Location(Position(path, 1, 1), Position(path, 1, 1)); |
|
} |
|
|
|
private: |
|
// Beginning of the located region. |
|
const Position mBegin; |
|
// End of the located region. |
|
const Position mEnd; |
|
}; |
|
|
|
inline std::ostream& operator<< (std::ostream& ostr, const Location& loc) { |
|
Position last = Position(loc.end().filename(), |
|
loc.end().line(), |
|
std::max<size_t>(1u, loc.end().column() - 1)); |
|
ostr << loc.begin(); |
|
if (loc.begin().filename() != last.filename()) { |
|
ostr << "-" << last; |
|
} else if (loc.begin().line() != last.line()) { |
|
ostr << "-" << last.line() << "." << last.column(); |
|
} else if (loc.begin().column() != last.column()) { |
|
ostr << "-" << last.column(); |
|
} |
|
return ostr; |
|
} |
|
|
|
} // namespace android |
|
|
|
#endif
|
|
|