Syntax Analysis31
0. Which of the following describes a handle (as applicable to LR-parsing) appropriately?
- A
It is the position in a sentential form where the next shift or reduce operation will occur
- B
It is a non-terminal whose production will be used for reduction in the next step
- C
It is a production that may be used for reduction in a future step along with a position in the sentential form where the next shift or reduce operation will occur.
- D
It is the production p that will be used for reduction in the next step along with a position in the sentential form where the right hand side of the production may be found
- Option : D
- Explanation : According to definition, handle is a production rule A → β and a position in the sentential form where string β may be found and replaced to produce the previous right sentential form in a rightmost derivation of sentential form.
