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 2086ab2 was             2f22cc4, checked in by Peter A. Buhr <pabuhr@…>, 9 years ago           | 
        
        
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more refactoring of parser code 
 
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              - 
Property                 mode
 set to                 
100644
               
             
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          | 
            File size:
            2.7 KB
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| Rev | Line |   | 
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| [2f22cc4] | 1 | // 
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 | 2 | // Cforall Version 1.0.0 Copyright (C) 2016 University of Waterloo
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 | 3 | //
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 | 4 | // The contents of this file are covered under the licence agreement in the
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 | 5 | // file "LICENCE" distributed with Cforall.
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 | 6 | // 
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 | 7 | // labelledExit.c -- 
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 | 8 | // 
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 | 9 | // Author           : Peter A. Buhr
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 | 10 | // Created On       : Wed Aug 10 07:29:39 2016
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 | 11 | // Last Modified By : Peter A. Buhr
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 | 12 | // Last Modified On : Wed Aug 10 07:30:15 2016
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 | 13 | // Update Count     : 1
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 | 14 | // 
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 | 15 | 
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| [10dc7491] | 16 | int foo() {
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| [62edde5] | 17 |         int i;
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 | 18 |         int x, y;
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 | 19 | 
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 | 20 |         x = 0; y = 0;
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 | 21 | 
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 | 22 |         // block, labelled exits
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 | 23 | 
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 | 24 |   Block: {
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 | 25 |                 if ( x == y ) {
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 | 26 |                         for ( ; i < y; ) {
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 | 27 |                                 y += 1;
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 | 28 |                                 if ( y < 10 ) break Block;
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 | 29 |                         }
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 | 30 |                 }
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 | 31 |         }
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 | 32 | 
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 | 33 |         // loops, labelled exits
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 | 34 | 
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 | 35 |   w1: while ( y == 10 );
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 | 36 | 
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 | 37 |   w2: while ( x < 10 ) {
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 | 38 |                 while (y < 5 ) {
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 | 39 |                         if ( y == 3 ) break w2;
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 | 40 |                 }
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 | 41 |                 x += 1;
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 | 42 |         }
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 | 43 | 
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 | 44 |   A: for ( i = 0; i < 10; i += 1 ) {
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 | 45 |           B: for ( i = 0; i < 10; i += 1 ) {
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 | 46 |                   C: for ( i = 0; i < 10; i += 1 ) {
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 | 47 |                                 goto A;
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 | 48 |                                 goto B;
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 | 49 |                                 goto C;
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 | 50 |                                 continue A;
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 | 51 |                                 continue B;
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 | 52 |                                 continue C;
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 | 53 |                                 continue;
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 | 54 |                                 break A;
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 | 55 |                                 break B;
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 | 56 |                                 break C;
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 | 57 |                                 break;
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 | 58 |                         }
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 | 59 |                 }
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 | 60 |         }
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 | 61 | 
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 | 62 |   D: for ( ;; ) {
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 | 63 |                 break D;
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 | 64 |                 continue D;
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 | 65 |         }
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 | 66 | 
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 | 67 |   Z : i += 1;
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 | 68 |         goto Z;
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 | 69 |   X: Y: for ( ;; ) {
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 | 70 |                 i += 1;
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 | 71 |                 if ( i > 5 ) continue X;
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 | 72 |                 if ( i < 5 ) break X;
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 | 73 |                 if ( i < 5 ) break Y;
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 | 74 |                 break;
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 | 75 |         }
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 | 76 |   XX: for ( ;; ) {
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 | 77 |           YY: for ( ;; ) {
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 | 78 |                   ZZ: for ( ;; ) {
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 | 79 |                                 i += 1;
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 | 80 |                                 if ( i > 5 ) continue XX;
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 | 81 |                                 if ( i < 5 ) continue YY;
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 | 82 |                                 if ( i < 5 ) continue ZZ;
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 | 83 |                                 if ( i > 5 ) break XX;
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 | 84 |                                 if ( i < 5 ) break YY;
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 | 85 |                                 if ( i < 5 ) break ZZ;
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 | 86 |                                 break;
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 | 87 |                         }
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 | 88 |                 }
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 | 89 |         }
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 | 90 | 
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 | 91 |         for ( ;; ) ;
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 | 92 |         for ( int i = 0 ;; ) ;
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 | 93 |         for (  ; i < 0; ) ;
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 | 94 |         for (  ; ; i += 1 ) ;
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 | 95 |   L0:  L1:  L2:  L3:  L4:  L5:  L6:  L7:  L8:  L9:
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 | 96 |   L10: L11: L12: L13: L14: L15: L16: L17: L18: L19:
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 | 97 |   L20: L21: L22: L23: L24: L25: L26: L27: L28: L29:
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 | 98 |   L31: L32: L33: L34:
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 | 99 |         for ( ;; ) {
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 | 100 |                 break L0;
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 | 101 |         }
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 | 102 | 
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 | 103 |         // switch/choose, labelled exits
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 | 104 | 
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 | 105 |   Switch: switch ( i ) {
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 | 106 |           default:
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 | 107 |                 i += 1;
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 | 108 |           case 0:
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 | 109 |                 i += 1;
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 | 110 |                 break Switch;
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 | 111 |           case 1:
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 | 112 |                 switch ( i ) {
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 | 113 |                   case 0:
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 | 114 |                         break Switch;
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 | 115 |                   default:
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 | 116 |                         ; break;
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 | 117 |                 }
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 | 118 |         }
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 | 119 | 
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 | 120 |   Choose: choose ( i ) {
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 | 121 |           default:
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 | 122 |                 i += 1;
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 | 123 |           case 0:
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 | 124 |                 i += 1;
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 | 125 |                 break Choose;
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 | 126 |           case 1:
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 | 127 |                 choose ( i ) {
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 | 128 |                   case 0:
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 | 129 |                         break;
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 | 130 |                   default:
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 | 131 |                         break Choose;
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 | 132 |                 }
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 | 133 |                 fallthru;
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 | 134 |           case 2:
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 | 135 |                 i += 1;
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 | 136 |         }
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 | 137 | 
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 | 138 |         // computed goto
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| [c017d5b] | 139 |         // {
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 | 140 |         //      void *array[] = { &&foo, &&bar, &&hack };
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 | 141 |         //   foo: bar: hack:
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 | 142 |         //      &&foo;
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 | 143 |         //      &&bar;
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 | 144 |         //      goto *array[i];
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 | 145 |         // }
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| [62edde5] | 146 | 
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 | 147 |   Q: if ( i > 5 ) {
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 | 148 |                 i += 1;
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| [540b275] | 149 |                 break Q;
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 | 150 |         }
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 | 151 |         else
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| [62edde5] | 152 |                 i += 1;
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 | 153 | }
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 | 154 | 
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| [2f22cc4] | 155 | int main( int argc, char const *argv[] ) {
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| [aaf1f4d] | 156 |         /* code */
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 | 157 | }
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 | 158 | 
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| [62edde5] | 159 | // Local Variables: //
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 | 160 | // tab-width: 4 //
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| [2f22cc4] | 161 | // compile-command: "cfa labelledExit.c" //
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| [62edde5] | 162 | // End: //
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