Do syntax copy of an array of Statement's.
Determine if an enclosed break would apply to this statement, such as if it is a loop or switch statement.
Determine if an enclosed continue would apply to this statement, such as if it is a loop statement.
Find last statement in a sequence of statements.
Support Visitor Pattern
Does this statement end with a return statement?
A cheaper method of doing downcasting of Statements.
The purpose of this is so that continue will go to the next of the statements, and break will go to the end of the statements.