Class IfStatement

src/main/java/io/airlift/bytecode/control/IfStatement.java:28–139

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

public class IfStatement
        implements FlowControl
{
    private final String comment;
    private final BytecodeBlock condition = new BytecodeBlock();
    private final BytecodeBlock ifTrue = new BytecodeBlock();
    private final BytecodeBlock ifFalse = new BytecodeBlock();

    private final LabelNode falseLabel = new LabelNode("false");
    private final LabelNode outLabel = new LabelNode("out");

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

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

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

    public BytecodeBlock condition()
    {
        return condition;
    }

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

    public BytecodeBlock ifTrue()
    {
        return ifTrue;
    }

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

    public BytecodeBlock ifFalse()
    {
        return ifFalse;
    }

    public IfStatement ifFalse(BytecodeNode node)
    {