case Signature.C_EXTENDS:

			case Signature.C_SUPER:

			case Signature.C_STAR:

				return scanTypeBoundSignature(string, start);

		}

	}

	/**

	 * Scans the given string for a type bound signature starting at the given

	 * index and returns the index of the last character.

	 * <pre>

	 * TypeBoundSignature:

	 *     <b>[-+]</b> TypeSignature <b>;</b>

	 *     <b>*</b></b>

	 * </pre>

	 * 

	 * @param string the signature string

	 * @param start the 0-based character index of the first character

	 * @return the 0-based character index of the last character

	 * @exception IllegalArgumentException if this is not a type variable signature

	 */

	public static int scanTypeBoundSignature(char[] string, int start) {

		// need a minimum 1 char for wildcard

		if (start >= string.length) {

			throw new IllegalArgumentException();

		}

		char c = string[start];

		if (c == Signature.C_STAR) { //$NON-NLS-1$

			return start;

		}

		// need a minimum 4 chars "+Lx;"

		if (start >= string.length - 3) { 

			throw new IllegalArgumentException();

		}

		// must start in "+/-"

		if (c != Signature.C_SUPER && c != Signature.C_EXTENDS) {

			throw new IllegalArgumentException();

		}

		c = string[start + 1];

		switch (c) {

			case Signature.C_RESOLVED :

			case Signature.C_UNRESOLVED :

				return scanClassTypeSignature(string, start + 1);

			case Signature.C_TYPE_VARIABLE :

				return scanTypeVariableSignature(string, start + 1);

			default:

				throw new IllegalArgumentException();