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 * (a) the Software, and
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 * (b) any piece of software and/or hardware listed in the lrgrwrks.txt file if
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package com.oracle.truffle.js.nodes.control;

import java.util.Set;

import com.oracle.truffle.api.frame.VirtualFrame;
import com.oracle.truffle.api.instrumentation.Tag;
import com.oracle.truffle.api.nodes.UnexpectedResultException;
import com.oracle.truffle.js.nodes.JavaScriptNode;
import com.oracle.truffle.js.nodes.access.WriteNode;

public final class GeneratorExprBlockNode extends AbstractGeneratorBlockNode {

    GeneratorExprBlockNode(JavaScriptNode[] statements, JavaScriptNode readStateNode, WriteNode writeStateNode) {
        super(statements, readStateNode, writeStateNode);
    }

    public static JavaScriptNode create(JavaScriptNode[] statements, JavaScriptNode readStateNode, WriteNode writeStateNode) {
        return new GeneratorExprBlockNode(statements, readStateNode, writeStateNode);
    }

    @Override
    public boolean executeBoolean(VirtualFrame frame) throws UnexpectedResultException {
        int index = getStateAndReset(frame);
        assert index < getStatements().length;
        return block.executeBoolean(frame, index);
    }

    @Override
    public int executeInt(VirtualFrame frame) throws UnexpectedResultException {
        int index = getStateAndReset(frame);
        assert index < getStatements().length;
        return block.executeInt(frame, index);
    }

    @Override
    public double executeDouble(VirtualFrame frame) throws UnexpectedResultException {
        int index = getStateAndReset(frame);
        assert index < getStatements().length;
        return block.executeDouble(frame, index);
    }

    @Override
    public boolean executeBoolean(VirtualFrame frame, JavaScriptNode node, int index, int argument) throws UnexpectedResultException {
        assert index == getStatements().length - 1;
        try {
            return node.executeBoolean(frame);
        } catch (YieldException e) {
            setState(frame, index);
            throw e;
        }
    }

    @Override
    public int executeInt(VirtualFrame frame, JavaScriptNode node, int index, int argument) throws UnexpectedResultException {
        assert index == getStatements().length - 1;
        try {
            return node.executeInt(frame);
        } catch (YieldException e) {
            setState(frame, index);
            throw e;
        }
    }

    @Override
    public double executeDouble(VirtualFrame frame, JavaScriptNode node, int index, int argument) throws UnexpectedResultException {
        assert index == getStatements().length - 1;
        try {
            return node.executeDouble(frame);
        } catch (YieldException e) {
            setState(frame, index);
            throw e;
        }
    }

    @Override
    protected JavaScriptNode copyUninitialized(Set<Class<? extends Tag>> materializedTags) {
        return new GeneratorExprBlockNode(cloneUninitialized(getStatements(), materializedTags), cloneUninitialized(readStateNode, materializedTags),
                        (WriteNode) cloneUninitialized((JavaScriptNode) writeStateNode, materializedTags));
    }
}