Description Jim des Rivieres 2004-04-23 10:42:23 EDT

/**
 * Constant for indicating the AST 2.0 API (handles
 * JLS2). The 2.0 API is capable of handling all constructs
 * in the Java language as described in the Java Language
 * Specification, Second Edition (JLS2).
 * JLS2 is a superset of all earlier versions of the
 * Java language, and the 2.0 API can be used to manipulate
 * programs written in all versions of the Java language
 * up to and including J2SE 1.4.
 *
 * @since 3.0
 */
public static final int LEVEL_2_0 = 2;
	
/**
 * Constant for indicating the AST 3.0 API (handles JLS3).
 * The 3.0 API is capable of handling all constructs in the
 * Java language as described in the Java Language
 * Specification, Third Edition (JLS3).
 * JLS3 is a superset of all earlier versions of the
 * Java language, and the 3.0 API can be used to manipulate
 * programs written in all versions of the Java language
 * up to and including J2SE 1.5.
 * <p>
 * <b>NOTE:</b>In Eclipse 3.0, there is no underlying parser support for
 * level 3 ASTs. This support is planned for the follow-on release of
 * Eclipse which includes support for J2SE 1.5. Without a parser to create
 * level 3 ASTs, they are not much use. Use level 2 ASTs instead.
 * </p>
 *
 * @since 3.0
 */
public static final int LEVEL_3_0 = 3;

So right now it is intentionally ambiguous whether 3 means Eclipse 3.0
or JLS3. We should change the reading to JLS3 explicitly by renaming:
LEVEL_2_0 => JLS2
LEVEL_3_0 => JLS3