| // Copyright (c) 2018, 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.utils.codeinspector; |
| |
| import com.android.tools.r8.graph.Code; |
| import com.android.tools.r8.graph.DexCode; |
| import java.util.NoSuchElementException; |
| |
| class DexInstructionIterator implements InstructionIterator { |
| |
| private final CodeInspector codeInspector; |
| private final DexCode code; |
| private int index; |
| |
| DexInstructionIterator(CodeInspector codeInspector, MethodSubject method) { |
| this.codeInspector = codeInspector; |
| assert method.isPresent(); |
| Code code = method.getMethod().getCode(); |
| assert code != null && code.isDexCode(); |
| this.code = code.asDexCode(); |
| this.index = 0; |
| } |
| |
| @Override |
| public boolean hasNext() { |
| return index < code.instructions.length; |
| } |
| |
| @Override |
| public InstructionSubject next() { |
| if (index == code.instructions.length) { |
| throw new NoSuchElementException(); |
| } |
| return codeInspector.createInstructionSubject(code.instructions[index++]); |
| } |
| } |