| author | joehw |
| Sun, 13 Aug 2017 21:10:40 -0700 | |
| changeset 46174 | 5611d2529b49 |
| parent 44797 | 8b3b3b911b8a |
| permissions | -rw-r--r-- |
| 6 | 1 |
/* |
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* reserved comment block |
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* DO NOT REMOVE OR ALTER! |
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*/ |
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8b3b3b911b8a
8162572: Update License Header for all JAXP sources
joehw
parents:
25868
diff
changeset
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/* |
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8b3b3b911b8a
8162572: Update License Header for all JAXP sources
joehw
parents:
25868
diff
changeset
|
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* Licensed to the Apache Software Foundation (ASF) under one or more |
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8b3b3b911b8a
8162572: Update License Header for all JAXP sources
joehw
parents:
25868
diff
changeset
|
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* contributor license agreements. See the NOTICE file distributed with |
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8b3b3b911b8a
8162572: Update License Header for all JAXP sources
joehw
parents:
25868
diff
changeset
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* this work for additional information regarding copyright ownership. |
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8b3b3b911b8a
8162572: Update License Header for all JAXP sources
joehw
parents:
25868
diff
changeset
|
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* The ASF licenses this file to You under the Apache License, Version 2.0 |
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8b3b3b911b8a
8162572: Update License Header for all JAXP sources
joehw
parents:
25868
diff
changeset
|
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* (the "License"); you may not use this file except in compliance with |
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8b3b3b911b8a
8162572: Update License Header for all JAXP sources
joehw
parents:
25868
diff
changeset
|
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* the License. You may obtain a copy of the License at |
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8b3b3b911b8a
8162572: Update License Header for all JAXP sources
joehw
parents:
25868
diff
changeset
|
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* |
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8b3b3b911b8a
8162572: Update License Header for all JAXP sources
joehw
parents:
25868
diff
changeset
|
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* http://www.apache.org/licenses/LICENSE-2.0 |
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8b3b3b911b8a
8162572: Update License Header for all JAXP sources
joehw
parents:
25868
diff
changeset
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* |
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8b3b3b911b8a
8162572: Update License Header for all JAXP sources
joehw
parents:
25868
diff
changeset
|
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* Unless required by applicable law or agreed to in writing, software |
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8b3b3b911b8a
8162572: Update License Header for all JAXP sources
joehw
parents:
25868
diff
changeset
|
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* distributed under the License is distributed on an "AS IS" BASIS, |
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8b3b3b911b8a
8162572: Update License Header for all JAXP sources
joehw
parents:
25868
diff
changeset
|
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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8b3b3b911b8a
8162572: Update License Header for all JAXP sources
joehw
parents:
25868
diff
changeset
|
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* See the License for the specific language governing permissions and |
|
8b3b3b911b8a
8162572: Update License Header for all JAXP sources
joehw
parents:
25868
diff
changeset
|
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* limitations under the License. |
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8b3b3b911b8a
8162572: Update License Header for all JAXP sources
joehw
parents:
25868
diff
changeset
|
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*/ |
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8b3b3b911b8a
8162572: Update License Header for all JAXP sources
joehw
parents:
25868
diff
changeset
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package com.sun.org.apache.bcel.internal.generic; |
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import com.sun.org.apache.bcel.internal.Const; |
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/** |
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* Super class for the family of arithmetic instructions. |
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* |
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* @version $Id: ArithmeticInstruction.java 1747278 2016-06-07 17:28:43Z britter $ |
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*/ |
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public abstract class ArithmeticInstruction extends Instruction implements TypedInstruction, |
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StackProducer, StackConsumer {
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/** |
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* Empty constructor needed for the Class.newInstance() statement in |
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* Instruction.readInstruction(). Not to be used otherwise. |
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*/ |
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ArithmeticInstruction() {
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} |
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/** |
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* @param opcode of instruction |
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*/ |
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protected ArithmeticInstruction(final short opcode) {
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super(opcode, (short) 1); |
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} |
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/** @return type associated with the instruction |
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*/ |
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@Override |
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public Type getType( final ConstantPoolGen cp ) {
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final short _opcode = super.getOpcode(); |
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switch (_opcode) {
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case Const.DADD: |
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case Const.DDIV: |
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case Const.DMUL: |
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case Const.DNEG: |
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case Const.DREM: |
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case Const.DSUB: |
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return Type.DOUBLE; |
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case Const.FADD: |
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case Const.FDIV: |
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case Const.FMUL: |
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case Const.FNEG: |
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case Const.FREM: |
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case Const.FSUB: |
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return Type.FLOAT; |
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case Const.IADD: |
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case Const.IAND: |
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case Const.IDIV: |
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case Const.IMUL: |
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case Const.INEG: |
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case Const.IOR: |
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case Const.IREM: |
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case Const.ISHL: |
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case Const.ISHR: |
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case Const.ISUB: |
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case Const.IUSHR: |
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case Const.IXOR: |
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return Type.INT; |
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case Const.LADD: |
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case Const.LAND: |
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case Const.LDIV: |
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case Const.LMUL: |
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case Const.LNEG: |
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case Const.LOR: |
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case Const.LREM: |
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case Const.LSHL: |
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case Const.LSHR: |
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case Const.LSUB: |
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case Const.LUSHR: |
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case Const.LXOR: |
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return Type.LONG; |
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default: // Never reached |
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throw new ClassGenException("Unknown type " + _opcode);
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} |
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} |
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} |