| // 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.ir.code; |
| |
| import com.android.tools.r8.errors.Unreachable; |
| import com.android.tools.r8.graph.AppInfoWithSubtyping; |
| import com.android.tools.r8.graph.DexString; |
| import com.android.tools.r8.graph.DexType; |
| import com.android.tools.r8.ir.conversion.DexBuilder; |
| import com.android.tools.r8.ir.optimize.Inliner.Constraint; |
| import com.android.tools.r8.utils.InternalOptions; |
| |
| public class DebugPosition extends Instruction { |
| |
| public final int line; |
| public final DexString file; |
| |
| public DebugPosition(int line, DexString file) { |
| super(null); |
| this.line = line; |
| this.file = file; |
| } |
| |
| @Override |
| public boolean isDebugPosition() { |
| return true; |
| } |
| |
| @Override |
| public DebugPosition asDebugPosition() { |
| return this; |
| } |
| |
| @Override |
| public void buildDex(DexBuilder builder) { |
| builder.addDebugPosition(this); |
| } |
| |
| @Override |
| public boolean identicalNonValueParts(Instruction other) { |
| assert other.isDebugPosition(); |
| return false; |
| } |
| |
| @Override |
| public int compareNonValueParts(Instruction other) { |
| assert other.isDebugPosition(); |
| return 0; |
| } |
| |
| @Override |
| public int maxInValueRegister() { |
| throw new Unreachable(); |
| } |
| |
| @Override |
| public int maxOutValueRegister() { |
| throw new Unreachable(); |
| } |
| |
| @Override |
| public boolean canBeDeadCode(IRCode code, InternalOptions options) { |
| return false; |
| } |
| |
| @Override |
| public String toString() { |
| StringBuilder builder = new StringBuilder(super.toString()); |
| printLineInfo(builder); |
| return builder.toString(); |
| } |
| |
| public void printLineInfo(StringBuilder builder) { |
| if (file != null) { |
| builder.append(file).append(":"); |
| } |
| builder.append(line); |
| } |
| |
| @Override |
| public Constraint inliningConstraint(AppInfoWithSubtyping info, DexType holder) { |
| return Constraint.ALWAYS; |
| } |
| } |