raw.runtime.truffle.ast.io.binary.TryableBinaryWriterNode Maven / Gradle / Ivy
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/*
* Copyright 2023 RAW Labs S.A.
*
* Use of this software is governed by the Business Source License
* included in the file licenses/BSL.txt.
*
* As of the Change Date specified in that file, in accordance with
* the Business Source License, use of this software will be governed
* by the Apache License, Version 2.0, included in the file
* licenses/APL.txt.
*/
package raw.runtime.truffle.ast.io.binary;
import com.oracle.truffle.api.frame.VirtualFrame;
import com.oracle.truffle.api.nodes.DirectCallNode;
import com.oracle.truffle.api.nodes.NodeInfo;
import java.io.OutputStream;
import raw.runtime.truffle.StatementNode;
import raw.runtime.truffle.ast.ProgramStatementNode;
import raw.runtime.truffle.runtime.exceptions.binary.BinaryWriterRawTruffleException;
import raw.runtime.truffle.runtime.tryable.TryableLibrary;
@NodeInfo(shortName = "Binary.TryableWrite")
public class TryableBinaryWriterNode extends StatementNode {
@Child private DirectCallNode innerWriter;
@Child private TryableLibrary tryables = TryableLibrary.getFactory().createDispatched(1);
public TryableBinaryWriterNode(ProgramStatementNode innerWriter) {
this.innerWriter = DirectCallNode.create(innerWriter.getCallTarget());
}
@Override
public void executeVoid(VirtualFrame frame) {
Object[] args = frame.getArguments();
Object tryable = args[0];
OutputStream output = (OutputStream) args[1];
if (tryables.isSuccess(tryable)) {
// the tryable is a success, write its bytes using the inner writer.
innerWriter.call(tryables.success(tryable), output);
} else {
// else throw.
throw new BinaryWriterRawTruffleException(tryables.failure(tryable), this);
}
}
}