Module org.cojen.maker

Package org.cojen.maker

Interface Label

public interface Label

Represents a label bound to a method body.

See Also:

• MethodMaker.label()

Method Summary

Modifier and Type	Method	Description
Label	goto_()	Generates an unconditional goto statement to this label, which doesn't need to be positioned yet.
Label	here()	Sets the position of the label at the location of the next code instruction.
Label	insert(Runnable body)	Insert a body of code immediately after this positioned label, and return a new label which is positioned after the end of the inserted code body.
MethodMaker	methodMaker()	Returns the MethodMaker that this label belongs to.

Method Details

here

Label here()

Sets the position of the label at the location of the next code instruction.

Returns:

this label

Throws:

IllegalStateException - if this label is already positioned

goto_

Label goto_()

Generates an unconditional goto statement to this label, which doesn't need to be positioned yet.

Returns:

this label

See Also:

• MethodMaker.goto_(org.cojen.maker.Label)

insert

Label insert(Runnable body)

Insert a body of code immediately after this positioned label, and return a new label which is positioned after the end of the inserted code body.

If the label is positioned within a block of code which has already been guarded by a finally handler, the inserted code won't be fully guarded. If it branches out of the guarded range or if it returns from the method, the handler won't run. If the code throws an exception, the handler will still run.

Parameters:

body - called to generate the body of the inserted code

Returns:

a label positioned at the end of the inserted code body

Throws:

IllegalStateException - if this label is unpositioned

methodMaker

MethodMaker methodMaker()

Returns the MethodMaker that this label belongs to.