001/* 002 * Copyright 2002-2016 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * https://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.expression.spel.ast; 018 019import org.springframework.asm.MethodVisitor; 020import org.springframework.expression.TypedValue; 021import org.springframework.expression.spel.CodeFlow; 022 023/** 024 * Expression language AST node that represents a long integer literal. 025 * 026 * @author Andy Clement 027 * @since 3.0 028 */ 029public class LongLiteral extends Literal { 030 031 private final TypedValue value; 032 033 034 public LongLiteral(String payload, int pos, long value) { 035 super(payload, pos); 036 this.value = new TypedValue(value); 037 this.exitTypeDescriptor = "J"; 038 } 039 040 041 @Override 042 public TypedValue getLiteralValue() { 043 return this.value; 044 } 045 046 @Override 047 public boolean isCompilable() { 048 return true; 049 } 050 051 @Override 052 public void generateCode(MethodVisitor mv, CodeFlow cf) { 053 mv.visitLdcInsn(this.value.getValue()); 054 cf.pushDescriptor(this.exitTypeDescriptor); 055 } 056 057}