| // 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.dex.Constants; |
| import com.android.tools.r8.errors.Unreachable; |
| import com.android.tools.r8.graph.DexMethod; |
| import com.android.tools.r8.graph.DexType; |
| import com.android.tools.r8.graph.UseRegistry; |
| import com.android.tools.r8.naming.NamingLens; |
| import org.objectweb.asm.MethodVisitor; |
| import org.objectweb.asm.Opcodes; |
| |
| public class CfInvoke extends CfInstruction { |
| |
| private final DexMethod method; |
| private final int opcode; |
| private final boolean itf; |
| |
| public CfInvoke(int opcode, DexMethod method, boolean itf) { |
| assert Opcodes.INVOKEVIRTUAL <= opcode && opcode <= Opcodes.INVOKEINTERFACE; |
| assert !(opcode == Opcodes.INVOKEVIRTUAL && itf) : "InvokeVirtual on interface type"; |
| assert !(opcode == Opcodes.INVOKEINTERFACE && !itf) : "InvokeInterface on class type"; |
| this.opcode = opcode; |
| this.method = method; |
| this.itf = itf; |
| } |
| |
| public DexMethod getMethod() { |
| return method; |
| } |
| |
| public int getOpcode() { |
| return opcode; |
| } |
| |
| @Override |
| public void write(MethodVisitor visitor, NamingLens lens) { |
| String owner = lens.lookupInternalName(method.getHolder()); |
| String name = lens.lookupName(method).toString(); |
| String desc = method.proto.toDescriptorString(lens); |
| visitor.visitMethodInsn(opcode, owner, name, desc, itf); |
| } |
| |
| @Override |
| public void print(CfPrinter printer) { |
| printer.print(this); |
| } |
| |
| @Override |
| public void registerUse(UseRegistry registry, DexType clazz) { |
| switch (opcode) { |
| case Opcodes.INVOKEINTERFACE: |
| registry.registerInvokeInterface(method); |
| break; |
| case Opcodes.INVOKEVIRTUAL: |
| registry.registerInvokeVirtual(method); |
| break; |
| case Opcodes.INVOKESPECIAL: |
| if (method.name.toString().equals(Constants.INSTANCE_INITIALIZER_NAME)) { |
| registry.registerInvokeDirect(method); |
| } else if (method.holder == clazz) { |
| registry.registerInvokeDirect(method); |
| } else { |
| registry.registerInvokeSuper(method); |
| } |
| break; |
| case Opcodes.INVOKESTATIC: |
| registry.registerInvokeStatic(method); |
| break; |
| default: |
| throw new Unreachable("unknown CfInvoke opcode " + opcode); |
| } |
| } |
| } |