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109 lines
3.0 KiB
109 lines
3.0 KiB
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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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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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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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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#include "Location.h"
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#include <android-base/logging.h>
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#include <tuple>
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namespace android {
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Position::Position(std::string filename, size_t line, size_t column)
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: mFilename(filename), mLine(line), mColumn(column) {}
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const std::string& Position::filename() const {
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return mFilename;
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}
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size_t Position::line() const {
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return mLine;
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}
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size_t Position::column() const {
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return mColumn;
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}
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bool Position::inSameFile(const Position& lhs, const Position& rhs) {
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return lhs.mFilename == rhs.mFilename;
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}
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bool Position::operator<(const Position& pos) const {
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return std::tie(mFilename, mLine, mColumn) < std::tie(pos.mFilename, pos.mLine, pos.mColumn);
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}
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std::ostream& operator<<(std::ostream& ostr, const Position& pos) {
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if (!pos.filename().empty()) {
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ostr << pos.filename() << ":";
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}
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return ostr << pos.line() << "." << pos.column();
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}
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////////////////////////////////////////
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Location::Location(const Position& begin, const Position& end)
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: mIsValid(true), mBegin(begin), mEnd(end) {}
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void Location::setLocation(const Position& begin, const Position& end) {
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mIsValid = true;
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mBegin = begin;
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mEnd = end;
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}
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bool Location::isValid() const {
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return mIsValid;
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}
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const Position& Location::begin() const {
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return mBegin;
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}
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const Position& Location::end() const {
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return mEnd;
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}
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Location Location::startOf(const std::string& path) {
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return Location(Position(path, 1, 1), Position(path, 1, 1));
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}
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bool Location::inSameFile(const Location& lhs, const Location& rhs) {
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return Position::inSameFile(lhs.mBegin, rhs.mBegin);
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}
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bool Location::intersect(const Location& lhs, const Location& rhs) {
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if (!inSameFile(lhs, rhs)) return false;
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return !(lhs.mEnd < rhs.mBegin || rhs.mEnd < lhs.mBegin);
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}
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bool Location::operator<(const Location& loc) const {
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return std::tie(mBegin, mEnd) < std::tie(loc.mBegin, loc.mEnd);
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}
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std::ostream& operator<<(std::ostream& ostr, const Location& loc) {
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Position last = Position(loc.end().filename(), loc.end().line(),
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std::max<size_t>(1u, loc.end().column() - 1));
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ostr << loc.begin();
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if (loc.begin().filename() != last.filename()) {
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ostr << "-" << last;
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} else if (loc.begin().line() != last.line()) {
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ostr << "-" << last.line() << "." << last.column();
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} else if (loc.begin().column() != last.column()) {
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ostr << "-" << last.column();
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}
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return ostr;
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}
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} // namespace android
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