| Last change
 on this file since ad41cbd was             90b9e4b, checked in by Peter A. Buhr <pabuhr@…>, 7 years ago | 
        
          | 
add Simila, Python and uC++ example coroutines
 | 
        
          | 
              
Property                 mode
 set to                 100644 | 
        
          | File size:
            1014 bytes | 
      
      
| Line |  | 
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| 1 | BEGIN | 
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| 2 | CLASS Fibonacci; | 
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| 3 | HIDDEN fn, main;                                        ! private members; | 
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| 4 | BEGIN | 
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| 5 | INTEGER fn;                                                     ! communication; | 
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| 6 |  | 
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| 7 | PROCEDURE main;                                         ! mimic uC++ coroutine main; | 
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| 8 | BEGIN | 
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| 9 | INTEGER fn1, fn2; | 
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| 10 |  | 
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| 11 | fn := 0; fn1 := fn; | 
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| 12 | Detach;                                                 ! suspend(); | 
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| 13 | fn := 1; fn2 := fn1; fn1 := fn; | 
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| 14 | Detach;                                                 ! suspend(); | 
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| 15 | WHILE TRUE DO BEGIN | 
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| 16 | fn := fn1 + fn2; fn2 := fn1; fn1 := fn; | 
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| 17 | Detach;                                         ! suspend(); | 
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| 18 | END; | 
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| 19 | END; | 
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| 20 |  | 
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| 21 | INTEGER PROCEDURE next; | 
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| 22 | BEGIN | 
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| 23 | Call( THIS Fibonacci );                 ! resume(); | 
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| 24 | next := fn; | 
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| 25 | END; | 
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| 26 | ! Fibonacci constructor code; | 
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| 27 | Detach;                                                         ! return to declaration; | 
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| 28 | main;                                                           ! call main as last line of constructor; | 
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| 29 | END Fibonacci; | 
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| 30 | ! program main equivalent; | 
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| 31 | REF(Fibonacci) f1, f2;                                  ! objects are references; | 
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| 32 | INTEGER i; | 
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| 33 |  | 
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| 34 | f1 :- NEW Fibonacci; | 
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| 35 | f2 :- NEW Fibonacci; | 
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| 36 | FOR i := 1 STEP 1 UNTIL 10 DO BEGIN | 
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| 37 | OutInt( f1.next, 3 ); | 
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| 38 | OutText( " " ); | 
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| 39 | OutInt( f2.next, 3 ); | 
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| 40 | OutImage; | 
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| 41 | END | 
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| 42 | END; | 
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| 43 |  | 
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| 44 | ! Local Variables: ; | 
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| 45 | ! tab-width: 4 ; | 
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| 46 | ! compile-command: "cim Fib.sim" ; | 
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| 47 | ! End: ; | 
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