--- old/src/java.xml/share/classes/com/sun/org/apache/bcel/internal/generic/INVOKEVIRTUAL.java 2017-08-08 16:05:34.346457409 -0700 +++ new/src/java.xml/share/classes/com/sun/org/apache/bcel/internal/generic/INVOKEVIRTUAL.java 2017-08-08 16:05:34.262453203 -0700 @@ -21,59 +21,75 @@ package com.sun.org.apache.bcel.internal.generic; -import com.sun.org.apache.bcel.internal.Constants; -import com.sun.org.apache.bcel.internal.ExceptionConstants; +import java.io.DataOutputStream; +import java.io.IOException; + +import com.sun.org.apache.bcel.internal.Const; +import com.sun.org.apache.bcel.internal.ExceptionConst; /** * INVOKEVIRTUAL - Invoke instance method; dispatch based on class * *
Stack: ..., objectref, [arg1, [arg2 ...]] -> ...
* - * @author M. Dahm + * @version $Id: INVOKEVIRTUAL.java 1747278 2016-06-07 17:28:43Z britter $ + * @see + * + * The invokevirtual instruction in The Java Virtual Machine Specification */ public class INVOKEVIRTUAL extends InvokeInstruction { - /** - * Empty constructor needed for the Class.newInstance() statement in - * Instruction.readInstruction(). Not to be used otherwise. - */ - INVOKEVIRTUAL() {} - - public INVOKEVIRTUAL(int index) { - super(Constants.INVOKEVIRTUAL, index); - } - - public Class[] getExceptions() { - Class[] cs = new Class[4 + 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+3] = ExceptionConstants.UNSATISFIED_LINK_ERROR; - cs[ExceptionConstants.EXCS_FIELD_AND_METHOD_RESOLUTION.length+2] = ExceptionConstants.ABSTRACT_METHOD_ERROR; - cs[ExceptionConstants.EXCS_FIELD_AND_METHOD_RESOLUTION.length+1] = ExceptionConstants.INCOMPATIBLE_CLASS_CHANGE_ERROR; - cs[ExceptionConstants.EXCS_FIELD_AND_METHOD_RESOLUTION.length] = ExceptionConstants.NULL_POINTER_EXCEPTION; - - 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.visitExceptionThrower(this); - v.visitTypedInstruction(this); - v.visitStackConsumer(this); - v.visitStackProducer(this); - v.visitLoadClass(this); - v.visitCPInstruction(this); - v.visitFieldOrMethod(this); - v.visitInvokeInstruction(this); - v.visitINVOKEVIRTUAL(this); - } + + /** + * Empty constructor needed for the Class.newInstance() statement in + * Instruction.readInstruction(). Not to be used otherwise. + */ + INVOKEVIRTUAL() { + } + + + public INVOKEVIRTUAL(final int index) { + super(Const.INVOKEVIRTUAL, index); + } + + + /** + * Dump instruction as byte code to stream out. + * @param out Output stream + */ + @Override + public void dump( final DataOutputStream out ) throws IOException { + out.writeByte(super.getOpcode()); + out.writeShort(super.getIndex()); + } + + @Override + public Class[] getExceptions() { + return ExceptionConst.createExceptions(ExceptionConst.EXCS.EXCS_FIELD_AND_METHOD_RESOLUTION, + ExceptionConst.NULL_POINTER_EXCEPTION, + ExceptionConst.INCOMPATIBLE_CLASS_CHANGE_ERROR, + ExceptionConst.ABSTRACT_METHOD_ERROR, + ExceptionConst.UNSATISFIED_LINK_ERROR); + } + + + /** + * 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 + */ + @Override + public void accept( final Visitor v ) { + v.visitExceptionThrower(this); + v.visitTypedInstruction(this); + v.visitStackConsumer(this); + v.visitStackProducer(this); + v.visitLoadClass(this); + v.visitCPInstruction(this); + v.visitFieldOrMethod(this); + v.visitInvokeInstruction(this); + v.visitINVOKEVIRTUAL(this); + } }