ADT
arm-eh
ast-experimental
cleanup-dtors
enum
forall-pointer-decay
jacob/cs343-translation
jenkins-sandbox
new-ast
new-ast-unique-expr
pthread-emulation
qualifiedEnum
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Last change
on this file since e73d449 was 90b9e4b, checked in by Peter A. Buhr <pabuhr@…>, 6 years ago |
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add Simila, Python and uC++ example coroutines
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-
Property mode
set to
100644
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File size:
1014 bytes
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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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