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/*
* Copyright (C) 2007-2010 Júlio Vilmar Gesser.
* Copyright (C) 2011, 2013-2016 The JavaParser Team.
*
* This file is part of JavaParser.
*
* JavaParser can be used either under the terms of
* a) the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* b) the terms of the Apache License
*
* You should have received a copy of both licenses in LICENCE.LGPL and
* LICENCE.APACHE. Please refer to those files for details.
*
* JavaParser is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*/
package com.github.javaparser.ast.expr;
import com.github.javaparser.ast.AllFieldsConstructor;
import com.github.javaparser.ast.Node;
import com.github.javaparser.ast.visitor.CloneVisitor;
import com.github.javaparser.ast.visitor.GenericVisitor;
import com.github.javaparser.ast.visitor.VoidVisitor;
import com.github.javaparser.metamodel.JavaParserMetaModel;
import com.github.javaparser.metamodel.LongLiteralExprMetaModel;
import javax.annotation.Generated;
import com.github.javaparser.TokenRange;
import java.util.function.Consumer;
import java.util.Optional;
/**
* All ways to specify a long literal.
* <br/><code>8934l</code>
* <br/><code>0x01L</code>
* <br/><code>022l</code>
* <br/><code>0B10101010L</code>
* <br/><code>99999999L</code>
*
* @author Julio Vilmar Gesser
*/
public final class LongLiteralExpr extends LiteralStringValueExpr {
public LongLiteralExpr() {
this(null, "0");
}
@AllFieldsConstructor
public LongLiteralExpr(final String value) {
this(null, value);
}
/**
* This constructor is used by the parser and is considered private.
*/
@Generated("com.github.javaparser.generator.core.node.MainConstructorGenerator")
public LongLiteralExpr(TokenRange tokenRange, String value) {
super(tokenRange, value);
customInitialization();
}
public LongLiteralExpr(final long value) {
this(null, String.valueOf(value));
}
@Override
@Generated("com.github.javaparser.generator.core.node.AcceptGenerator")
public <R, A> R accept(final GenericVisitor<R, A> v, final A arg) {
return v.visit(this, arg);
}
@Override
@Generated("com.github.javaparser.generator.core.node.AcceptGenerator")
public <A> void accept(final VoidVisitor<A> v, final A arg) {
v.visit(this, arg);
}
@Override
@Generated("com.github.javaparser.generator.core.node.RemoveMethodGenerator")
public boolean remove(Node node) {
if (node == null)
return false;
return super.remove(node);
}
/**
* @return the literal value as an long while respecting different number representations
*/
public long asLong() {
String result = value.replaceAll("_", "");
char lastChar = result.charAt(result.length() - 1);
if (lastChar == 'l' || lastChar == 'L') {
result = result.substring(0, result.length() - 1);
}
if (result.startsWith("0x") || result.startsWith("0X")) {
return Long.parseUnsignedLong(result.substring(2), 16);
}
if (result.startsWith("0b") || result.startsWith("0B")) {
return Long.parseUnsignedLong(result.substring(2), 2);
}
if (result.length() > 1 && result.startsWith("0")) {
return Long.parseUnsignedLong(result.substring(1), 8);
}
return Long.parseLong(result);
}
public LongLiteralExpr setLong(long value) {
this.value = String.valueOf(value);
return this;
}
@Override
@Generated("com.github.javaparser.generator.core.node.CloneGenerator")
public LongLiteralExpr clone() {
return (LongLiteralExpr) accept(new CloneVisitor(), null);
}
@Override
@Generated("com.github.javaparser.generator.core.node.GetMetaModelGenerator")
public LongLiteralExprMetaModel getMetaModel() {
return JavaParserMetaModel.longLiteralExprMetaModel;
}
@Override
@Generated("com.github.javaparser.generator.core.node.ReplaceMethodGenerator")
public boolean replace(Node node, Node replacementNode) {
if (node == null)
return false;
return super.replace(node, replacementNode);
}
@Override
@Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator")
public boolean isLongLiteralExpr() {
return true;
}
@Override
@Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator")
public LongLiteralExpr asLongLiteralExpr() {
return this;
}
@Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator")
public void ifLongLiteralExpr(Consumer<LongLiteralExpr> action) {
action.accept(this);
}
@Override
@Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator")
public Optional<LongLiteralExpr> toLongLiteralExpr() {
return Optional.of(this);
}
}
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