ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprpthread-emulationqualifiedEnum
Last change
on this file since 686cb63 was
e53e5aa,
checked in by Peter A. Buhr <pabuhr@…>, 5 years ago
|
add computed goto to test
|
-
Property mode set to
100644
|
File size:
3.1 KB
|
Line | |
---|
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 | // |
---|
7 | // labelledExit.cfa -- |
---|
8 | // |
---|
9 | // Author : Peter A. Buhr |
---|
10 | // Created On : Wed Aug 10 07:29:39 2016 |
---|
11 | // Last Modified By : Peter A. Buhr |
---|
12 | // Last Modified On : Wed Feb 5 16:49:48 2020 |
---|
13 | // Update Count : 9 |
---|
14 | // |
---|
15 | |
---|
16 | int foo() { |
---|
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 | |
---|
62 | D: for () { |
---|
63 | break D; |
---|
64 | continue D; |
---|
65 | } |
---|
66 | |
---|
67 | Z : i += 1; |
---|
68 | goto Z; |
---|
69 | X: Y: for () { |
---|
70 | i += 1; |
---|
71 | if ( i > 5 ) continue X; |
---|
72 | if ( i < 5 ) break X; |
---|
73 | if ( i < 5 ) break Y; |
---|
74 | break; |
---|
75 | } |
---|
76 | XX: for () { |
---|
77 | YY: for () { |
---|
78 | ZZ: for () { |
---|
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 | |
---|
91 | for () ; |
---|
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: |
---|
99 | for () { |
---|
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 | |
---|
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 | |
---|
163 | // computed goto |
---|
164 | { |
---|
165 | void *array[] = { &&foo, &&bar, &&hack }; |
---|
166 | foo: bar: hack: |
---|
167 | &&foo; |
---|
168 | &&bar; |
---|
169 | goto *array[i]; |
---|
170 | } |
---|
171 | |
---|
172 | Q: if ( i > 5 ) { |
---|
173 | i += 1; |
---|
174 | break Q; |
---|
175 | } |
---|
176 | else |
---|
177 | i += 1; |
---|
178 | } |
---|
179 | |
---|
180 | int main( int argc, char const *argv[] ) { |
---|
181 | /* code */ |
---|
182 | } |
---|
183 | |
---|
184 | // Local Variables: // |
---|
185 | // tab-width: 4 // |
---|
186 | // compile-command: "cfa labelledExit.cfa" // |
---|
187 | // End: // |
---|
Note: See
TracBrowser
for help on using the repository browser.