class TKwwhile
special Token
end
+class TKwloop
+special Token
+end
class TKwfor
special Token
end
readable writable var _n_kwdo: TKwdo
readable writable var _n_block: nullable AExpr = null
end
+class ALoopExpr
+special AExpr
+special ALabelable
+ readable writable var _n_kwloop: TKwloop
+ readable writable var _n_block: nullable AExpr = null
+end
class AForExpr
special AExpr
special ALabelable