Class SectionedSchema

src/main/java/wycc/util/SectionedSchema.java:31–382

Represents a schema which is divided up into named sections, where the intention is that each section represents some grouping of opcodes which has spare capacity that can be filled in subsequent versions. @author David J. Pearce

 *
 */
public class SectionedSchema implements Schema {
	/**
	 * The base schema with version 0.0 which contains nothing. From this, all
	 * schemas derive.
	 */
	public static final SectionedSchema ROOT = new SectionedSchema(null, 0, 0, new Section[0]);

	private final Schema parent;
	private final int major;
	private final int minor;
	private final Section[] sections;
	private final Opcode[] opcodes;

	public SectionedSchema(Schema parent, int major, int minor, Section[] sections) {
		this.parent = parent;
		this.major = major;
		this.minor = minor;
		this.sections = sections;
		this.opcodes = flattern(sections);
	}

	@Override
	public int getMinorVersion() {
		return minor;
	}

	@Override
	public int getMajorVersion() {
		return major;
	}

	@Override
	public Schema getParent() {
		return parent;
	}

	/**
	 * Determine number of sections in this schema.
	 *
	 * @return
	 */
	public int size() {
		return sections.length;
	}

	/**
	 * Get the ith section of this schema.
	 *
	 * @param ith
	 * @return
	 */
	public Section get(int ith) {
		return sections[ith];
	}

	/**
	 * Begin an extension of this schema
	 *