| def blah ='a' | |
| if(true) { blah += 'b' } | |
| blah += 'c' | |
| println blah | |
| ----- | |
| 0(1) element: null | |
| 1(2) WRITE blah | |
| 2(3,5) element: IF statement | |
| 3(4) READ blah | |
| 4(5) WRITE blah | |
| 5(6) End element: IF statement | |
| 6(7) READ blah | |
| 7(8) WRITE blah | |
| 8(9) READ println | |
| 9(10) READ blah | |
| 10(11) ARGUMENT element: Reference expression | |
| 11(12) element: Call expression MAYBE_RETURN | |
| 12() element: null |