| /* |
| * reserved comment block |
| * DO NOT REMOVE OR ALTER! |
| */ |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.sun.org.apache.bcel.internal.generic; |
| |
| |
| import com.sun.org.apache.bcel.internal.Constants; |
| import com.sun.org.apache.bcel.internal.ExceptionConstants; |
| |
| /** |
| * GETSTATIC - Fetch static field from class |
| * <PRE>Stack: ..., -> ..., value</PRE> |
| * OR |
| * <PRE>Stack: ..., -> ..., value.word1, value.word2</PRE> |
| * |
| * @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A> |
| */ |
| public class GETSTATIC extends FieldInstruction implements PushInstruction, ExceptionThrower { |
| /** |
| * Empty constructor needed for the Class.newInstance() statement in |
| * Instruction.readInstruction(). Not to be used otherwise. |
| */ |
| GETSTATIC() {} |
| |
| public GETSTATIC(int index) { |
| super(Constants.GETSTATIC, index); |
| } |
| |
| public int produceStack(ConstantPoolGen cpg) { return getFieldSize(cpg); } |
| |
| public Class[] getExceptions() { |
| Class[] cs = new Class[1 + ExceptionConstants.EXCS_FIELD_AND_METHOD_RESOLUTION.length]; |
| |
| System.arraycopy(ExceptionConstants.EXCS_FIELD_AND_METHOD_RESOLUTION, 0, |
| cs, 0, ExceptionConstants.EXCS_FIELD_AND_METHOD_RESOLUTION.length); |
| cs[ExceptionConstants.EXCS_FIELD_AND_METHOD_RESOLUTION.length] = |
| ExceptionConstants.INCOMPATIBLE_CLASS_CHANGE_ERROR; |
| |
| return cs; |
| } |
| |
| |
| /** |
| * Call corresponding visitor method(s). The order is: |
| * Call visitor methods of implemented interfaces first, then |
| * call methods according to the class hierarchy in descending order, |
| * i.e., the most specific visitXXX() call comes last. |
| * |
| * @param v Visitor object |
| */ |
| public void accept(Visitor v) { |
| v.visitStackProducer(this); |
| v.visitPushInstruction(this); |
| v.visitExceptionThrower(this); |
| v.visitTypedInstruction(this); |
| v.visitLoadClass(this); |
| v.visitCPInstruction(this); |
| v.visitFieldOrMethod(this); |
| v.visitFieldInstruction(this); |
| v.visitGETSTATIC(this); |
| } |
| } |