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package org.graalvm.compiler.lir.debug;

import jdk.vm.ci.meta.Value;

Provides abstract access to intervals for dumping.
/**
 * Provides abstract access to intervals for dumping.
 */
public interface IntervalDumper {

    public interface IntervalVisitor {
        void visitIntervalStart(Value parentOperand, Value splitOperand, Value location, Value hint, String typeName);

        void visitRange(int from, int to);

        void visitUsePos(int pos, Object registerPrioObject);

        void visitIntervalEnd(Object spillState);

    }

    
Visits the IntervalVisitor for every interval. The order is as follows: 

Call IntervalVisitor.visitIntervalStart
For every range:

Call IntervalVisitor.visitRange

For every use position:

Call IntervalVisitor.visitUsePos


call IntervalVisitor.visitIntervalEnd

/**
     * Visits the {@link IntervalVisitor} for every interval.
     *
     * The order is as follows:
     * <ul>
     * <li>Call {@link IntervalVisitor#visitIntervalStart}</li>
     * <li>For every range:
     * <ul>
     * <li>Call {@link IntervalVisitor#visitRange}</li>
     * </ul>
     * <li>For every use position:
     * <ul>
     * <li>Call {@link IntervalVisitor#visitUsePos}</li>
     * </ul>
     * </li>
     * <li>call {@link IntervalVisitor#visitIntervalEnd}</li>
     * </ul>
     */
    void visitIntervals(IntervalVisitor visitor);

}