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package com.github.javaparser.generator.core.visitor;
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.utils.SeparatedItemStringBuilder;
import com.github.javaparser.utils.SourceRoot;
import com.github.javaparser.metamodel.BaseNodeMetaModel;
import com.github.javaparser.metamodel.PropertyMetaModel;
import static com.github.javaparser.utils.CodeGenerationUtils.f;
/**
* Generates JavaParser's CloneVisitor.
*/
public class CloneVisitorGenerator extends VisitorGenerator {
public CloneVisitorGenerator(SourceRoot sourceRoot) {
super(sourceRoot, "com.github.javaparser.ast.visitor", "CloneVisitor", "Visitable", "Object", true);
}
@Override
protected void generateVisitMethodBody(BaseNodeMetaModel node, MethodDeclaration visitMethod, CompilationUnit compilationUnit) {
visitMethod.getParameters().forEach(p -> p.setFinal(true));
BlockStmt body = visitMethod.getBody().get();
body.getStatements().clear();
for (PropertyMetaModel field : node.getAllPropertyMetaModels()) {
final String getter = field.getGetterMethodName() + "()";
if (field.getNodeReference().isPresent()) {
if (field.isOptional() && field.isNodeList()) {
body.addStatement(f("NodeList<%s> %s = cloneList(n.%s.orElse(null), arg);", field.getTypeNameGenerified(), field.getName(), getter));
} else if (field.isNodeList()) {
body.addStatement(f("NodeList<%s> %s = cloneList(n.%s, arg);", field.getTypeNameGenerified(), field.getName(), getter));
} else {
body.addStatement(f("%s %s = cloneNode(n.%s, arg);", field.getTypeNameGenerified(), field.getName(), getter));
}
}
}
SeparatedItemStringBuilder builder = new SeparatedItemStringBuilder(f("%s r = new %s(", node.getTypeNameGenerified(), node.getTypeNameGenerified()), ",", ");");
builder.append("n.getTokenRange().orElse(null)");
for (PropertyMetaModel field : node.getConstructorParameters()) {
if (field.getName().equals("comment")) {
continue;
}
if (field.getNodeReference().isPresent()) {
builder.append(field.getName());
} else {
builder.append(f("n.%s()", field.getGetterMethodName()));
}
}
body.addStatement(builder.toString());
body.addStatement("r.setComment(comment);");
body.addStatement("return r;");
}
}
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