| // Copyright (c) 2017, the R8 project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| package com.android.tools.r8.naming; |
| |
| import static com.android.tools.r8.utils.positions.MappedPositionToClassNameMapperBuilder.getMaxLineNumber; |
| |
| import java.util.Objects; |
| |
| /** Represents a line number range. */ |
| public class Range { |
| |
| public final int from; |
| public final int to; |
| public final boolean isCardinal; |
| |
| public Range(int line) { |
| this(line, line, true); |
| } |
| |
| public Range(int from, int to) { |
| this(from, to, false); |
| } |
| |
| private Range(int from, int to, boolean isCardinal) { |
| this.from = from; |
| this.to = to; |
| this.isCardinal = isCardinal; |
| assert from <= to; |
| } |
| |
| public boolean contains(int value) { |
| return from <= value && value <= to; |
| } |
| |
| @Override |
| public String toString() { |
| return isCardinal ? (from + "") : (from + ":" + to); |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| if (!(o instanceof Range)) { |
| return false; |
| } |
| |
| Range range = (Range) o; |
| return from == range.from && to == range.to && isCardinal == range.isCardinal; |
| } |
| |
| public int span() { |
| if (isCardinal) { |
| return 1; |
| } |
| return (to - from) + 1; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(from, to, isCardinal); |
| } |
| |
| public boolean isCatchAll() { |
| return from == 0 && to == getMaxLineNumber(); |
| } |
| |
| public boolean isPreamble() { |
| return from == 0 && to == 0; |
| } |
| } |