jdk-sandbox: jaxp/src/java.xml/share/classes/com/sun/org/apache/bcel/internal/generic/ArithmeticInstruction.java@8b3b3b911b8a (annotated)

6 7f561c08de6b Initial load duke parents: diff changeset	1	/*
7f561c08de6b Initial load duke parents: diff changeset	2	* reserved comment block
7f561c08de6b Initial load duke parents: diff changeset	3	* DO NOT REMOVE OR ALTER!
7f561c08de6b Initial load duke parents: diff changeset	4	*/
44797 8b3b3b911b8a 8162572: Update License Header for all JAXP sources joehw parents: 25868 diff changeset	5	/*
8b3b3b911b8a 8162572: Update License Header for all JAXP sources joehw parents: 25868 diff changeset	6	* Licensed to the Apache Software Foundation (ASF) under one or more
8b3b3b911b8a 8162572: Update License Header for all JAXP sources joehw parents: 25868 diff changeset	7	* contributor license agreements. See the NOTICE file distributed with
8b3b3b911b8a 8162572: Update License Header for all JAXP sources joehw parents: 25868 diff changeset	8	* this work for additional information regarding copyright ownership.
8b3b3b911b8a 8162572: Update License Header for all JAXP sources joehw parents: 25868 diff changeset	9	* The ASF licenses this file to You under the Apache License, Version 2.0
8b3b3b911b8a 8162572: Update License Header for all JAXP sources joehw parents: 25868 diff changeset	10	* (the "License"); you may not use this file except in compliance with
8b3b3b911b8a 8162572: Update License Header for all JAXP sources joehw parents: 25868 diff changeset	11	* the License. You may obtain a copy of the License at
8b3b3b911b8a 8162572: Update License Header for all JAXP sources joehw parents: 25868 diff changeset	12	*
8b3b3b911b8a 8162572: Update License Header for all JAXP sources joehw parents: 25868 diff changeset	13	* http://www.apache.org/licenses/LICENSE-2.0
8b3b3b911b8a 8162572: Update License Header for all JAXP sources joehw parents: 25868 diff changeset	14	*
8b3b3b911b8a 8162572: Update License Header for all JAXP sources joehw parents: 25868 diff changeset	15	* Unless required by applicable law or agreed to in writing, software
8b3b3b911b8a 8162572: Update License Header for all JAXP sources joehw parents: 25868 diff changeset	16	* distributed under the License is distributed on an "AS IS" BASIS,
8b3b3b911b8a 8162572: Update License Header for all JAXP sources joehw parents: 25868 diff changeset	17	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
8b3b3b911b8a 8162572: Update License Header for all JAXP sources joehw parents: 25868 diff changeset	18	* See the License for the specific language governing permissions and
8b3b3b911b8a 8162572: Update License Header for all JAXP sources joehw parents: 25868 diff changeset	19	* limitations under the License.
8b3b3b911b8a 8162572: Update License Header for all JAXP sources joehw parents: 25868 diff changeset	20	*/
8b3b3b911b8a 8162572: Update License Header for all JAXP sources joehw parents: 25868 diff changeset	21
6 7f561c08de6b Initial load duke parents: diff changeset	22	package com.sun.org.apache.bcel.internal.generic;
7f561c08de6b Initial load duke parents: diff changeset	23
7f561c08de6b Initial load duke parents: diff changeset	24	import com.sun.org.apache.bcel.internal.Constants;
7f561c08de6b Initial load duke parents: diff changeset	25	/**
7f561c08de6b Initial load duke parents: diff changeset	26	* Super class for the family of arithmetic instructions.
7f561c08de6b Initial load duke parents: diff changeset	27	*
7f561c08de6b Initial load duke parents: diff changeset	28	* @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A>
7f561c08de6b Initial load duke parents: diff changeset	29	*/
7f561c08de6b Initial load duke parents: diff changeset	30	public abstract class ArithmeticInstruction extends Instruction
7f561c08de6b Initial load duke parents: diff changeset	31	implements TypedInstruction, StackProducer, StackConsumer {
7f561c08de6b Initial load duke parents: diff changeset	32	/**
7f561c08de6b Initial load duke parents: diff changeset	33	* Empty constructor needed for the Class.newInstance() statement in
7f561c08de6b Initial load duke parents: diff changeset	34	* Instruction.readInstruction(). Not to be used otherwise.
7f561c08de6b Initial load duke parents: diff changeset	35	*/
7f561c08de6b Initial load duke parents: diff changeset	36	ArithmeticInstruction() {}
7f561c08de6b Initial load duke parents: diff changeset	37
7f561c08de6b Initial load duke parents: diff changeset	38	/**
7f561c08de6b Initial load duke parents: diff changeset	39	* @param opcode of instruction
7f561c08de6b Initial load duke parents: diff changeset	40	*/
7f561c08de6b Initial load duke parents: diff changeset	41	protected ArithmeticInstruction(short opcode) {
7f561c08de6b Initial load duke parents: diff changeset	42	super(opcode, (short)1);
7f561c08de6b Initial load duke parents: diff changeset	43	}
7f561c08de6b Initial load duke parents: diff changeset	44
7f561c08de6b Initial load duke parents: diff changeset	45	/** @return type associated with the instruction
7f561c08de6b Initial load duke parents: diff changeset	46	*/
7f561c08de6b Initial load duke parents: diff changeset	47	public Type getType(ConstantPoolGen cp) {
7f561c08de6b Initial load duke parents: diff changeset	48	switch(opcode) {
7f561c08de6b Initial load duke parents: diff changeset	49	case Constants.DADD: case Constants.DDIV: case Constants.DMUL:
7f561c08de6b Initial load duke parents: diff changeset	50	case Constants.DNEG: case Constants.DREM: case Constants.DSUB:
7f561c08de6b Initial load duke parents: diff changeset	51	return Type.DOUBLE;
7f561c08de6b Initial load duke parents: diff changeset	52
7f561c08de6b Initial load duke parents: diff changeset	53	case Constants.FADD: case Constants.FDIV: case Constants.FMUL:
7f561c08de6b Initial load duke parents: diff changeset	54	case Constants.FNEG: case Constants.FREM: case Constants.FSUB:
7f561c08de6b Initial load duke parents: diff changeset	55	return Type.FLOAT;
7f561c08de6b Initial load duke parents: diff changeset	56
7f561c08de6b Initial load duke parents: diff changeset	57	case Constants.IADD: case Constants.IAND: case Constants.IDIV:
7f561c08de6b Initial load duke parents: diff changeset	58	case Constants.IMUL: case Constants.INEG: case Constants.IOR: case Constants.IREM:
7f561c08de6b Initial load duke parents: diff changeset	59	case Constants.ISHL: case Constants.ISHR: case Constants.ISUB:
7f561c08de6b Initial load duke parents: diff changeset	60	case Constants.IUSHR: case Constants.IXOR:
7f561c08de6b Initial load duke parents: diff changeset	61	return Type.INT;
7f561c08de6b Initial load duke parents: diff changeset	62
7f561c08de6b Initial load duke parents: diff changeset	63	case Constants.LADD: case Constants.LAND: case Constants.LDIV:
7f561c08de6b Initial load duke parents: diff changeset	64	case Constants.LMUL: case Constants.LNEG: case Constants.LOR: case Constants.LREM:
7f561c08de6b Initial load duke parents: diff changeset	65	case Constants.LSHL: case Constants.LSHR: case Constants.LSUB:
7f561c08de6b Initial load duke parents: diff changeset	66	case Constants.LUSHR: case Constants.LXOR:
7f561c08de6b Initial load duke parents: diff changeset	67	return Type.LONG;
7f561c08de6b Initial load duke parents: diff changeset	68
7f561c08de6b Initial load duke parents: diff changeset	69	default: // Never reached
7f561c08de6b Initial load duke parents: diff changeset	70	throw new ClassGenException("Unknown type " + opcode);
7f561c08de6b Initial load duke parents: diff changeset	71	}
7f561c08de6b Initial load duke parents: diff changeset	72	}
7f561c08de6b Initial load duke parents: diff changeset	73	}

author	joehw
	Mon, 17 Apr 2017 16:24:10 -0700
changeset 44797	8b3b3b911b8a
parent 25868	686eef1e7a79
child 46174	5611d2529b49
permissions	-rw-r--r--