Class WhileLoop

src/main/java/io/airlift/bytecode/control/WhileLoop.java:28–115

import static com.google.common.base.Preconditions.checkState;

public class WhileLoop
        implements FlowControl
{
    private final String comment;
    private final BytecodeBlock condition = new BytecodeBlock();
    private final BytecodeBlock body = new BytecodeBlock();

    private final LabelNode continueLabel = new LabelNode("continue");
    private final LabelNode endLabel = new LabelNode("end");

    public WhileLoop()
    {
        this.comment = null;
    }

    public WhileLoop(String format, Object... args)
    {
        this.comment = String.format(format, args);
    }

    @Override
    public String getComment()
    {
        return comment;
    }

    public LabelNode getContinueLabel()
    {
        return continueLabel;
    }

    public LabelNode getEndLabel()
    {
        return endLabel;
    }

    public BytecodeBlock condition()
    {
        return condition;
    }

    public WhileLoop condition(BytecodeNode node)
    {
        checkState(condition.isEmpty(), "condition already set");
        condition.append(node);
        return this;
    }

    public BytecodeBlock body()
    {
        return body;
    }

    public WhileLoop body(BytecodeNode node)
    {
        checkState(body.isEmpty(), "body already set");
        body.append(node);
        return this;