ADT
        aaron-thesis
        arm-eh
        ast-experimental
        cleanup-dtors
        deferred_resn
        demangler
        enum
        forall-pointer-decay
        jacob/cs343-translation
        jenkins-sandbox
        new-ast
        new-ast-unique-expr
        new-env
        no_list
        persistent-indexer
        pthread-emulation
        qualifiedEnum
        resolv-new
        with_gc
      
      
        
          | Last change
 on this file since ea73caf was             e04b636, checked in by Thierry Delisle <tdelisle@…>, 9 years ago | 
        
          | 
Implemented and tested coroutine keyword
 | 
        
          | 
              
Property                 mode
 set to                 100644 | 
        
          | File size:
            856 bytes | 
      
      
| Line |  | 
|---|
| 1 | #include <fstream> | 
|---|
| 2 | #include <coroutine> | 
|---|
| 3 |  | 
|---|
| 4 | coroutine Fibonacci { | 
|---|
| 5 | int fn; // used for communication | 
|---|
| 6 | }; | 
|---|
| 7 |  | 
|---|
| 8 | void ?{}(Fibonacci* this) { | 
|---|
| 9 | this->fn = 0; | 
|---|
| 10 | } | 
|---|
| 11 |  | 
|---|
| 12 | void main(Fibonacci* this) { | 
|---|
| 13 | int fn1, fn2;             // retained between resumes | 
|---|
| 14 | this->fn = 0; | 
|---|
| 15 | fn1 = this->fn; | 
|---|
| 16 | suspend();                // return to last resume | 
|---|
| 17 |  | 
|---|
| 18 | this->fn = 1; | 
|---|
| 19 | fn2 = fn1; | 
|---|
| 20 | fn1 = this->fn; | 
|---|
| 21 | suspend();                // return to last resume | 
|---|
| 22 |  | 
|---|
| 23 | for ( ;; ) { | 
|---|
| 24 | this->fn = fn1 + fn2; | 
|---|
| 25 | fn2 = fn1; | 
|---|
| 26 | fn1 = this->fn; | 
|---|
| 27 | suspend();  // return to last resume | 
|---|
| 28 | } | 
|---|
| 29 | } | 
|---|
| 30 |  | 
|---|
| 31 | int next(Fibonacci* this) { | 
|---|
| 32 | resume(this); // transfer to last suspend | 
|---|
| 33 | return this->fn; | 
|---|
| 34 | } | 
|---|
| 35 |  | 
|---|
| 36 | int main() { | 
|---|
| 37 | Fibonacci f1, f2; | 
|---|
| 38 | for ( int i = 1; i <= 10; i += 1 ) { | 
|---|
| 39 | sout | next(&f1) | ' ' | next(&f2) | endl; | 
|---|
| 40 | } | 
|---|
| 41 |  | 
|---|
| 42 | return 0; | 
|---|
| 43 | } | 
|---|
       
      
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