001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 * 017 */ 018package org.apache.bcel.generic; 019 020import java.io.DataOutputStream; 021import java.io.IOException; 022 023import org.apache.bcel.Const; 024import org.apache.bcel.ExceptionConst; 025 026/** 027 * INVOKESTATIC - Invoke a class (static) method 028 * 029 * <PRE>Stack: ..., [arg1, [arg2 ...]] -> ...</PRE> 030 * 031 * @see 032 * <a href="http://docs.oracle.com/javase/specs/jvms/se8/html/jvms-6.html#jvms-6.5.invokestatic"> 033 * The invokestatic instruction in The Java Virtual Machine Specification</a> 034 */ 035public class INVOKESTATIC extends InvokeInstruction { 036 037 /** 038 * Empty constructor needed for Instruction.readInstruction. 039 * Not to be used otherwise. 040 */ 041 INVOKESTATIC() { 042 } 043 044 045 public INVOKESTATIC(final int index) { 046 super(Const.INVOKESTATIC, index); 047 } 048 049 050 /** 051 * Dump instruction as byte code to stream out. 052 * @param out Output stream 053 */ 054 @Override 055 public void dump( final DataOutputStream out ) throws IOException { 056 out.writeByte(super.getOpcode()); 057 out.writeShort(super.getIndex()); 058 } 059 060 @Override 061 public Class<?>[] getExceptions() { 062 return ExceptionConst.createExceptions(ExceptionConst.EXCS.EXCS_FIELD_AND_METHOD_RESOLUTION, 063 ExceptionConst.UNSATISFIED_LINK_ERROR, 064 ExceptionConst.INCOMPATIBLE_CLASS_CHANGE_ERROR); 065 } 066 067 068 /** 069 * Call corresponding visitor method(s). The order is: 070 * Call visitor methods of implemented interfaces first, then 071 * call methods according to the class hierarchy in descending order, 072 * i.e., the most specific visitXXX() call comes last. 073 * 074 * @param v Visitor object 075 */ 076 @Override 077 public void accept( final Visitor v ) { 078 v.visitExceptionThrower(this); 079 v.visitTypedInstruction(this); 080 v.visitStackConsumer(this); 081 v.visitStackProducer(this); 082 v.visitLoadClass(this); 083 v.visitCPInstruction(this); 084 v.visitFieldOrMethod(this); 085 v.visitInvokeInstruction(this); 086 v.visitINVOKESTATIC(this); 087 } 088}