| // 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.cf.code; |
| |
| import com.android.tools.r8.cf.CfPrinter; |
| import com.android.tools.r8.errors.Unreachable; |
| import com.android.tools.r8.graph.DexType; |
| import org.objectweb.asm.MethodVisitor; |
| import org.objectweb.asm.Opcodes; |
| import org.objectweb.asm.Type; |
| |
| public class CfNewArray extends CfInstruction { |
| |
| private final DexType type; |
| |
| public CfNewArray(DexType type) { |
| assert type.isArrayType(); |
| this.type = type; |
| } |
| |
| public DexType getType() { |
| return type; |
| } |
| |
| private int getPrimitiveTypeCode() { |
| switch (type.descriptor.content[1]) { |
| case 'Z': |
| return Opcodes.T_BOOLEAN; |
| case 'C': |
| return Opcodes.T_CHAR; |
| case 'F': |
| return Opcodes.T_FLOAT; |
| case 'D': |
| return Opcodes.T_DOUBLE; |
| case 'B': |
| return Opcodes.T_BYTE; |
| case 'S': |
| return Opcodes.T_SHORT; |
| case 'I': |
| return Opcodes.T_INT; |
| case 'J': |
| return Opcodes.T_LONG; |
| default: |
| throw new Unreachable("Unexpected type for new-array: " + type); |
| } |
| } |
| |
| private String getElementInternalName() { |
| assert !type.isPrimitiveArrayType(); |
| return Type.getType(type.toDescriptorString().substring(1)).getInternalName(); |
| } |
| |
| @Override |
| public void write(MethodVisitor visitor) { |
| if (type.isPrimitiveArrayType()) { |
| visitor.visitIntInsn(Opcodes.NEWARRAY, getPrimitiveTypeCode()); |
| } else { |
| visitor.visitTypeInsn(Opcodes.ANEWARRAY, getElementInternalName()); |
| } |
| } |
| |
| @Override |
| public void print(CfPrinter printer) { |
| printer.print(this); |
| } |
| } |