question: f0 - > `` hallocate '' f1 - > simpleexp concode_field_sep PlaceHolder placeHolder concode_field_sep placeholderType placeHolder
target: R function ( HAllocate arg0 , A arg1 ) { R loc0 = null ; arg0 . f0 . accept ( this , arg1 ) ; arg0 . f1 . accept ( this , arg1 ) ; return loc0 ; }