source: src/Tests/LabelledExit.c@ 933667d

ADT aaron-thesis arm-eh ast-experimental cleanup-dtors ctor deferred_resn demangler enum forall-pointer-decay gc_noraii jacob/cs343-translation jenkins-sandbox memory new-ast new-ast-unique-expr new-env no_list persistent-indexer pthread-emulation qualifiedEnum resolv-new string with_gc
Last change on this file since 933667d was 2871210, checked in by Peter A. Buhr <pabuhr@…>, 10 years ago

include file with keywords, fix type of label address expressions, fix computed goto to any expressions, generic types first attempt
  • Property mode set to 100644
File size: 2.2 KB
RevLine 
[51b73452]1int main() {
[2871210]2 int i;
3 int x, y;
[51b73452]4
[2871210]5 x = 0; y = 0;
[51b73452]6
[2871210]7 // block, labelled exits
[51b73452]8
9 Block: {
[2871210]10 if ( x == y ) {
11 for ( ; i < y; ) {
12 y += 1;
13 if ( y < 10 ) break Block;
14 }
15 }
16 }
[51b73452]17
[2871210]18 // loops, labelled exits
[51b73452]19
20 w1: while ( y == 10 );
21
22 w2: while ( x < 10 ) {
[2871210]23 while (y < 5 ) {
24 if ( y == 3 ) break w2;
25 }
26 x += 1;
27 }
[51b73452]28
29 A: for ( i = 0; i < 10; i += 1 ) {
[2871210]30 B: for ( i = 0; i < 10; i += 1 ) {
31 C: for ( i = 0; i < 10; i += 1 ) {
32 goto A;
33 goto B;
34 goto C;
35 continue A;
36 continue B;
37 continue C;
38 continue;
39 break A;
40 break B;
41 break C;
42 break;
43 }
44 }
45 }
[51b73452]46
47 D: for ( ;; ) {
[2871210]48 break D;
49 continue D;
50 }
[51b73452]51
[2871210]52 Z : i += 1;
53 goto Z;
[51b73452]54 X: Y: for ( ;; ) {
[2871210]55 i += 1;
56 if ( i > 5 ) continue X;
57 if ( i < 5 ) break X;
58 if ( i < 5 ) break Y;
59 break;
60 }
[51b73452]61 XX: for ( ;; ) {
[2871210]62 YY: for ( ;; ) {
63 ZZ: for ( ;; ) {
64 i += 1;
65 if ( i > 5 ) continue XX;
66 if ( i < 5 ) continue YY;
67 if ( i < 5 ) continue ZZ;
68 if ( i > 5 ) break XX;
69 if ( i < 5 ) break YY;
70 if ( i < 5 ) break ZZ;
71 break;
72 }
73 }
74 }
75
76 for ( ;; ) ;
77 for ( int i = 0 ;; ) ;
78 for ( ; i < 0; ) ;
79 for ( ; ; i += 1 ) ;
[51b73452]80 L0: L1: L2: L3: L4: L5: L6: L7: L8: L9:
81 L10: L11: L12: L13: L14: L15: L16: L17: L18: L19:
82 L20: L21: L22: L23: L24: L25: L26: L27: L28: L29:
83 L31: L32: L33: L34:
[2871210]84 for ( ;; ) {
85 break L0;
86 }
[51b73452]87
[2871210]88 // switch/choose, labelled exits
[51b73452]89
90 Switch: switch ( i ) {
[2871210]91 default:
92 i += 1;
93 case 0:
94 i += 1;
95 break Switch;
96 case 1:
97 switch ( i ) {
98 case 0:
99 break Switch;
100 default:
101 ; break;
102 }
103 }
[51b73452]104
105 Choose: choose ( i ) {
[2871210]106 default:
107 i += 1;
108 case 0:
109 i += 1;
110 break Choose;
111 case 1:
112 choose ( i ) {
113 case 0:
114 break;
115 default:
116 break Choose;
117 }
118 fallthru;
119 case 2:
120 i += 1;
121 }
[51b73452]122
[2871210]123 // computed goto
124 {
125 void *array[] = { &&foo, &&bar, &&hack };
126 foo: bar: hack:
127 &&foo;
128 &&bar;
129 goto *array[i];
130 }
[51b73452]131
132#if 0
133 Q: if ( i > 5 ) {
[2871210]134 i += 1;
135 break Q;
136 } else
137 i += 1;
[51b73452]138#endif
139}
[2871210]140
141// Local Variables: //
142// tab-width: 4 //
143// compile-command: "cfa LabelledExit.c" //
144// End: //
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