source:
tests/labelledExit.cfa
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[2f22cc4] | 1 | // |
2 | // Cforall Version 1.0.0 Copyright (C) 2016 University of Waterloo | |
3 | // | |
4 | // The contents of this file are covered under the licence agreement in the | |
5 | // file "LICENCE" distributed with Cforall. | |
6 | // | |
[dc8511c] | 7 | // labelledExit.cfa -- |
[2f22cc4] | 8 | // |
9 | // Author : Peter A. Buhr | |
10 | // Created On : Wed Aug 10 07:29:39 2016 | |
11 | // Last Modified By : Peter A. Buhr | |
[53692b3] | 12 | // Last Modified On : Sat Jun 5 10:07:34 2021 |
13 | // Update Count : 13 | |
[2f22cc4] | 14 | // |
15 | ||
[10dc7491] | 16 | int foo() { |
[62edde5] | 17 | int i; |
18 | int x, y; | |
19 | ||
20 | x = 0; y = 0; | |
21 | ||
22 | // block, labelled exits | |
23 | ||
24 | Block: { | |
25 | if ( x == y ) { | |
26 | for ( ; i < y; ) { | |
27 | y += 1; | |
28 | if ( y < 10 ) break Block; | |
29 | } | |
30 | } | |
31 | } | |
32 | ||
33 | // loops, labelled exits | |
34 | ||
35 | w1: while ( y == 10 ); | |
36 | ||
37 | w2: while ( x < 10 ) { | |
38 | while (y < 5 ) { | |
39 | if ( y == 3 ) break w2; | |
40 | } | |
41 | x += 1; | |
42 | } | |
43 | ||
44 | A: for ( i = 0; i < 10; i += 1 ) { | |
45 | B: for ( i = 0; i < 10; i += 1 ) { | |
46 | C: for ( i = 0; i < 10; i += 1 ) { | |
47 | goto A; | |
48 | goto B; | |
49 | goto C; | |
50 | continue A; | |
51 | continue B; | |
52 | continue C; | |
53 | continue; | |
54 | break A; | |
55 | break B; | |
56 | break C; | |
57 | break; | |
58 | } | |
59 | } | |
60 | } | |
61 | ||
[adb6b30f] | 62 | D: for () { |
[62edde5] | 63 | break D; |
64 | continue D; | |
65 | } | |
66 | ||
67 | Z : i += 1; | |
68 | goto Z; | |
[adb6b30f] | 69 | X: Y: for () { |
[62edde5] | 70 | i += 1; |
71 | if ( i > 5 ) continue X; | |
72 | if ( i < 5 ) break X; | |
73 | if ( i < 5 ) break Y; | |
74 | break; | |
75 | } | |
[adb6b30f] | 76 | XX: for () { |
77 | YY: for () { | |
78 | ZZ: for () { | |
[62edde5] | 79 | i += 1; |
80 | if ( i > 5 ) continue XX; | |
81 | if ( i < 5 ) continue YY; | |
82 | if ( i < 5 ) continue ZZ; | |
83 | if ( i > 5 ) break XX; | |
84 | if ( i < 5 ) break YY; | |
85 | if ( i < 5 ) break ZZ; | |
86 | break; | |
87 | } | |
88 | } | |
89 | } | |
90 | ||
[adb6b30f] | 91 | for () ; |
[62edde5] | 92 | for ( int i = 0 ;; ) ; |
93 | for ( ; i < 0; ) ; | |
94 | for ( ; ; i += 1 ) ; | |
95 | L0: L1: L2: L3: L4: L5: L6: L7: L8: L9: | |
96 | L10: L11: L12: L13: L14: L15: L16: L17: L18: L19: | |
97 | L20: L21: L22: L23: L24: L25: L26: L27: L28: L29: | |
98 | L31: L32: L33: L34: | |
[adb6b30f] | 99 | for () { |
[62edde5] | 100 | break L0; |
101 | } | |
102 | ||
103 | // switch/choose, labelled exits | |
104 | ||
105 | Switch: switch ( i ) { | |
106 | default: | |
107 | i += 1; | |
108 | case 0: | |
109 | i += 1; | |
110 | break Switch; | |
111 | case 1: | |
112 | switch ( i ) { | |
113 | case 0: | |
114 | break Switch; | |
115 | default: | |
116 | ; break; | |
117 | } | |
118 | } | |
119 | ||
120 | Choose: choose ( i ) { | |
121 | default: | |
122 | i += 1; | |
123 | case 0: | |
124 | i += 1; | |
125 | break Choose; | |
126 | case 1: | |
127 | choose ( i ) { | |
128 | case 0: | |
129 | break; | |
130 | default: | |
131 | break Choose; | |
132 | } | |
133 | fallthru; | |
134 | case 2: | |
135 | i += 1; | |
136 | } | |
137 | ||
[9bdb8b7] | 138 | // all nested control options, labelled exits |
139 | ||
140 | Comp: { | |
141 | Try: try { | |
142 | For: for ( ;; ) { | |
143 | While: while ( true ) { | |
144 | Do: do { | |
145 | If: if ( true ) { | |
146 | Switch2: switch ( 3 ) { | |
147 | case 3: | |
148 | break Try; | |
149 | break Comp; | |
150 | break For; continue For; | |
151 | break While; continue While; | |
152 | break Do; continue Do; | |
153 | break If; | |
154 | break Switch2; | |
155 | } // switch | |
156 | } // if | |
157 | } while ( true ); | |
158 | } // while | |
159 | } // for | |
160 | } finally {} // always executed | |
161 | } // compound | |
162 | ||
[62edde5] | 163 | // computed goto |
[e53e5aa] | 164 | { |
165 | void *array[] = { &&foo, &&bar, &&hack }; | |
166 | foo: bar: hack: | |
167 | &&foo; | |
168 | &&bar; | |
169 | goto *array[i]; | |
170 | } | |
[62edde5] | 171 | |
172 | Q: if ( i > 5 ) { | |
173 | i += 1; | |
[540b275] | 174 | break Q; |
175 | } | |
176 | else | |
[62edde5] | 177 | i += 1; |
178 | } | |
179 | ||
[2f22cc4] | 180 | int main( int argc, char const *argv[] ) { |
[53692b3] | 181 | #pragma GCC warning "Compiled" // force non-empty .expect file, NO TABS!!! |
[aaf1f4d] | 182 | } |
183 | ||
[62edde5] | 184 | // Local Variables: // |
185 | // tab-width: 4 // | |
[dc8511c] | 186 | // compile-command: "cfa labelledExit.cfa" // |
[62edde5] | 187 | // End: // |
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