/*
* Copyright 2010-2015 JetBrains s.r.o.
*
* Licensed 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 org.jetbrains.kotlin.codegen.when;
import org.jetbrains.annotations.
NotNull;
import org.jetbrains.kotlin.codegen.
ExpressionCodegen;
import org.jetbrains.kotlin.psi.
KtWhenExpression;
import org.jetbrains.kotlin.resolve.constants.
ConstantValue;
import org.jetbrains.org.objectweb.asm.
Label;
public class
IntegralConstantsSwitchCodegen extends
SwitchCodegen {
public
IntegralConstantsSwitchCodegen(
@
NotNull KtWhenExpression expression,
boolean
isStatement,
boolean
isExhaustive,
@
NotNull ExpressionCodegen codegen
) {
super(
expression,
isStatement,
isExhaustive,
codegen, null);
}
@
Override
protected void
processConstant(@
NotNull ConstantValue<?>
constant, @
NotNull Label entryLabel) {
assert
constant.
getValue() != null : "constant value should not be null";
int
value = (
constant.
getValue() instanceof
Number)
? ((
Number)
constant.
getValue()).
intValue()
: ((
Character)
constant.
getValue()).
charValue();
putTransitionOnce(
value,
entryLabel);
}
@
Override
protected void
generateSubjectValueToIndex() {
// Do nothing: subject is an int value
}
}