spring FloatLiteral 源码
spring FloatLiteral 代码
文件路径：/spring-expression/src/main/java/org/springframework/expression/spel/ast/FloatLiteral.java
/*
* Copyright 2002-2019 the original author or authors.
*
* 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
*
* https://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.springframework.expression.spel.ast;
import org.springframework.asm.MethodVisitor;
import org.springframework.expression.TypedValue;
import org.springframework.expression.spel.CodeFlow;
/**
* Expression language AST node that represents a float literal.
*
* @author Satyapal Reddy
* @author Andy Clement
* @since 3.2
*/
public class FloatLiteral extends Literal {
private final TypedValue value;
public FloatLiteral(String payload, int startPos, int endPos, float value) {
super(payload, startPos, endPos);
this.value = new TypedValue(value);
this.exitTypeDescriptor = "F";
}
@Override
public TypedValue getLiteralValue() {
return this.value;
}
@Override
public boolean isCompilable() {
return true;
}
@Override
public void generateCode(MethodVisitor mv, CodeFlow cf) {
mv.visitLdcInsn(this.value.getValue());
cf.pushDescriptor(this.exitTypeDescriptor);
}
}
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