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package org.zwobble.couscous.ast;
import com.google.common.collect.Iterables;
import org.zwobble.couscous.ast.visitors.NodeTransformer;
import org.zwobble.couscous.ast.visitors.StatementNodeMapper;
import java.util.List;
import static org.zwobble.couscous.util.ExtraIterables.lazyFlatMap;
import static org.zwobble.couscous.util.ExtraLists.eagerMap;
public class TryNode implements StatementNode {
public static TryNode tryStatement(
List<StatementNode> body,
List<ExceptionHandlerNode> exceptionHandlers,
List<StatementNode> finallyBody)
{
return new TryNode(body, exceptionHandlers, finallyBody);
}
private final List<StatementNode> body;
private final List<ExceptionHandlerNode> exceptionHandlers;
private final List<StatementNode> finallyBody;
public TryNode(
List<StatementNode> body,
List<ExceptionHandlerNode> exceptionHandlers,
List<StatementNode> finallyBody)
{
this.body = body;
this.exceptionHandlers = exceptionHandlers;
this.finallyBody = finallyBody;
}
public List<StatementNode> getBody() {
return body;
}
public List<ExceptionHandlerNode> getExceptionHandlers() {
return exceptionHandlers;
}
public List<StatementNode> getFinallyBody() {
return finallyBody;
}
@Override
public <T> T accept(StatementNodeMapper<T> visitor) {
return visitor.visit(this);
}
@Override
public int type() {
return NodeTypes.TRY;
}
@Override
public Iterable<? extends Node> childNodes() {
return Iterables.concat(
body,
lazyFlatMap(exceptionHandlers, handler -> handler.getBody()),
finallyBody
);
}
@Override
public StatementNode transform(NodeTransformer transformer) {
return new TryNode(
transformer.transformStatements(body),
eagerMap(exceptionHandlers, handler -> new ExceptionHandlerNode(
transformer.transform(handler.getDeclaration()),
transformer.transformStatements(handler.getBody()))), finallyBody);
}
@Override
public String toString() {
return "TryNode(" +
"body=" + body +
", exceptionHandlers=" + exceptionHandlers +
", finallyBody=" + finallyBody +
')';
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
TryNode tryNode = (TryNode) o;
if (!body.equals(tryNode.body)) return false;
if (!exceptionHandlers.equals(tryNode.exceptionHandlers)) return false;
return finallyBody.equals(tryNode.finallyBody);
}
@Override
public int hashCode() {
int result = body.hashCode();
result = 31 * result + exceptionHandlers.hashCode();
result = 31 * result + finallyBody.hashCode();
return result;
}
}
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