SPL to HP C/XL Migration Guide (30231-90001)

6-13
RETURN Statement
Table 6-15. RETURN Statement
---------------------------------------------------------------------------------------------
| | |
| SPL | HP C/XL Equivalent |
| | |
---------------------------------------------------------------------------------------------
| | |
| return-statement : | Similar to SPL: |
| | |
| 1. RETURN [ count ] | 1. return ; |
| | |
| 2. procedure-id := procedure-id-value | 2a. return procedure-id-value ; |
| | |
| : | 2b. return-id = procedure-id-value |
| | |
| RETURN [ count ] | : |
| | |
| | return return-id ; |
| | |
---------------------------------------------------------------------------------------------
| | |
| Format 1 is a return from a procedure that | Format 1 is equivalent to SPL. |
| does not return a value. | |
| | Format 2 is equivalent to SPL. |
| Format 2 is a return from a function | |
| procedure that returns a value assigned to | Format 2b is a simple way to convert the |
| the procedure-id . | SPL code. Simply change the use of the |
| | procedure-id inside the procedure to |
| The count is the number of words to delete | another, local same-type identifier, here |
| from the stack. | called return-id . Then append this |
| | return-id to the return statement. |
| | |
| | In any case, count must be recoded or |
| | ignored. |
| | |
---------------------------------------------------------------------------------------------
| | |
| RETURN is used to exit from a procedure at | Same as SPL for void functions. |
| a point other than the END of the procedure | |
| body. | Functions used in expressions require a |
| | returned value. The only way to return a |
| | value is with the return statement. |
| | |
| | For functions that return a value, add a |
| | return statement before the final brace. |
| | |
---------------------------------------------------------------------------------------------
See "Data Type" for examples and additional information.