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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.generator.core.visitor;
import java.util.List;
import com.github.javaparser.ast.CompilationUnit;
import com.github.javaparser.ast.body.MethodDeclaration;
import com.github.javaparser.ast.stmt.BlockStmt;
import com.github.javaparser.generator.VisitorGenerator;
import com.github.javaparser.metamodel.BaseNodeMetaModel;
import com.github.javaparser.metamodel.JavaParserMetaModel;
import com.github.javaparser.metamodel.PropertyMetaModel;
import com.github.javaparser.utils.SeparatedItemStringBuilder;
import com.github.javaparser.utils.SourceRoot;
import static com.github.javaparser.StaticJavaParser.parseStatement;
public class NoCommentHashCodeVisitorGenerator extends VisitorGenerator {
public NoCommentHashCodeVisitorGenerator(SourceRoot sourceRoot) {
super(sourceRoot, "com.github.javaparser.ast.visitor", "NoCommentHashCodeVisitor", "Integer", "Void", true);
}
@Override
protected void generateVisitMethodBody(BaseNodeMetaModel node, MethodDeclaration visitMethod,
CompilationUnit compilationUnit) {
visitMethod.getParameters().forEach(p -> p.setFinal(true));
final BlockStmt body = visitMethod.getBody().get();
body.getStatements().clear();
final SeparatedItemStringBuilder builder = new SeparatedItemStringBuilder("return ", "* 31 +", ";");
final List<PropertyMetaModel> propertyMetaModels = node.getAllPropertyMetaModels();
if (node.equals(JavaParserMetaModel.lineCommentMetaModel)
|| node.equals(JavaParserMetaModel.blockCommentMetaModel)
|| node.equals(JavaParserMetaModel.javadocCommentMetaModel) || propertyMetaModels.isEmpty()) {
builder.append("0");
} else {
for (PropertyMetaModel field : propertyMetaModels) {
final String getter = field.getGetterMethodName() + "()";
if (field.equals(JavaParserMetaModel.nodeMetaModel.commentPropertyMetaModel)) {
if (propertyMetaModels.size() == 1) {
builder.append("0");
break;
} else
continue;
}
// Is this field another AST node? Visit it.
if (field.getNodeReference().isPresent()) {
if (field.isOptional()) {
builder.append("(n.%s.isPresent()? n.%s.get().accept(this, arg):0)", getter, getter);
} else {
builder.append("(n.%s.accept(this, arg))", getter);
}
} else {
Class<?> type = field.getType();
if (type.equals(boolean.class)) {
builder.append("(n.%s?1:0)", getter);
} else if (type.equals(int.class)) {
builder.append("n.%s", getter);
} else {
builder.append("(n.%s.hashCode())", getter);
}
}
}
}
body.addStatement(parseStatement(builder.toString()));
}
}
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