source: src/tests/fallthrough.c@ a8615fd1

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 no_list persistent-indexer pthread-emulation qualifiedEnum
Last change on this file since a8615fd1 was 13f5a70, checked in by Peter A. Buhr <pabuhr@…>, 7 years ago

add another test
  • Property mode set to 100644
File size: 2.4 KB
Line 
1//
2// Cforall Version 1.0.0 Copyright (C) 2018 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// fallthrough.c --
8//
9// Author : Rob Schluntz
10// Created On : Wed Mar 14 10:06:25 2018
11// Last Modified By : Peter A. Buhr
12// Last Modified On : Wed Mar 14 22:45:13 2018
13// Update Count : 13
14//
15
16void test(int choice) {
17 choose ( choice ) {
18 case 1:
19 printf("case 1\n");
20 fallthru;
21 case 2:
22 printf("case 2\n");
23 fallthru;
24 printf("did not fallthru\n");
25 if ( 7 ) fallthru common2;
26 fallthru common1;
27 case 3:
28 printf("case 3\n");
29 fallthru default;
30 fallthru common1;
31 common1:
32 printf("common1\n");
33 // break
34 case 4:
35 printf("case 4\n");
36 fallthru common2;
37 case 5:
38 printf("case 5\n");
39 fallthru common2;
40 fallthru default;
41 case 6:
42 printf("case 6\n");
43 fallthru common2;
44 common2:
45 printf("common2\n");
46 // break
47 default:
48 printf("default\n");
49 fallthru;
50 }
51
52 printf("\n");
53
54 switch ( choice ) {
55 case 1:
56 printf("case 1\n");
57 switch ( choice ) {
58 case 1:
59 printf("case 1\n");
60 for ( int i = 0; i < 4; i += 1 ) {
61 printf("%d\n", i);
62 if ( i == 2 ) fallthru common;
63 } // for
64 } // switch
65 break;
66 case 5:
67 printf("case 5\n");
68 if ( choice == 5 ) {
69 if ( choice != 5 ) {
70 printf("error\n");
71 } else {
72 printf("check\n");
73 fallthru common;
74 } // if
75 } // if
76 common:
77 printf( "common\n" );
78 fallthru;
79 break;
80 default:
81 printf( "default\n" );
82 fallthru;
83 } // switch
84
85#if ERR1
86 // ERROR: fallthrough must be enclosed in switch or choose
87 fallthru;
88 // ERROR: fallthrough must be enclosed in switch or choose
89 fallthru common4;
90 // ERROR: fallthrough must be enclosed in switch or choose
91 fallthru default;
92 choose ( 3 ) {
93 case 2:
94 for ( ;; ) {
95 choose ( 2 ) {
96 case 1:
97 // ERROR: default is later, but in a different switch
98 fallthru default;
99 // ERROR: common3 is later, but not at the same level as a case clause
100 fallthru common3;
101 }
102 common3: ;
103 }
104 default:
105 case 1:
106 common4:
107 // ERROR: attempt to jump up with fallthrough
108 if ( 7 ) fallthru common4;
109 // ERROR: attempt to jump up with fallthrough
110 fallthru default;
111 }
112#endif
113}
114
115int main() {
116 test(1);
117 printf("\n");
118 test(5);
119}
120
121// Local Variables: //
122// tab-width: 4 //
123// compile-command: "cfa fallthrough.c" //
124// End: //
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