Method readItem

src/main/java/wycc/io/HeapReader.java:80–91

(Schema schema)

	protected abstract Schema checkHeader() throws IOException;

	protected Bytecode readItem(Schema schema) throws IOException {
		// read opcode
		int opcode = in.read_u8();
		// Write operands
		int[] operands = readOperands(schema,opcode);
		// Write data (if any)
		byte[] data = readData(schema,opcode);
		// Pad to next byte boundary
		in.pad_u8();
		//
		return new Bytecode(opcode,operands,data);
	}

	protected int[] readOperands(Schema schema, int opcode) throws IOException {
		// Determine operand layout