JMeta usage example v2

@Meta({
    @Do(
        // Possible values: Do.Type.{
        //     REMOVE_STATEMENT, ADD_ENTITY, REMOVE_ENTITY, GENERATE_CLASS
        // }
        // Note that there is no task for manipulating subclasses because subclasses are not actually "sub"classes
        type = Do.Type.APPEND_STATEMENT,
        // These fields are (mostly) specific to Do.Type.APPEND
        target = @SelectEntity("#method;<staticInit>"), // <staticInit> is a special way to refer to it created by JMeta
        // All sequences contain entities
        statements = @Statements(
            source = @SelectEntity(
                value = "#field;/.*/;$type",
                target = Block.class,
                condition = "$type <: $block",
                arguments = {
                    @Pair(name = "block", clazz = Block.class)
                }
            ),
            // Finalize refers to a @MetaStatement method in the current class. The method must recieve the results' type
            // from previous processing steps (field -> T, method -> MetaMethod)
            finalize = "addBlockStatement"
        )
    )
})
class CollectBlocksExample {
    static {} // For @SelectEntity("<staticInit>"), technically not needed because java compiler auto-generates them

    public static final List<Block> BLOCKS = new ArrayList<>();

    // Excludes this method in the final output
    // All usages of @MetaStatement require the method have `void` return type and
    @MetaStatement
    private static void addBlockStatement(Block block) {
        BLOCKS.add(block);
    }
}

@Meta({
    @Do(
        type = Do.Type.APPEND_ENTITY,
        source = @SelectEntity(value = "#field;/.*/;_", target = MixinClassExample_Source.class)
    ),
    @Do(
        type = Do.Type.APPEND_ENTITY,
        source = @SelectEntity(value = "#method;/.*/;_", target = MixinClassExample_Source.class)
    )
})
class MixinClassExample {
    public void setX(int x) { this.x = x; }
    public void setY(int y) { this.y = y; }
}
class MixinClassExample_Source {
    protected int x, y;
    protected int absX, absY;

    public setParent(MixinClassExample_Source parent) {
        this.absX = parent.absX + x;
        this.absY = parent.absY + y;
    }

    public getX() { return x; }
    public getY() { return y; }
    public getAbsX() { return absX; }
    public getAbsY() { return absY; }
}