ADTaaron-thesisarm-ehast-experimentalcleanup-dtorsenumforall-pointer-decayjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprpersistent-indexerpthread-emulationqualifiedEnum
Last change
on this file since 1f86d5e was
f498c51,
checked in by Peter A. Buhr <pabuhr@…>, 6 years ago
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change printf to sout
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Property mode set to
100644
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File size:
2.4 KB
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1 | // |
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2 | // Cforall Version 1.0.0 Copyright (C) 2018 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 | // fallthrough.cfa -- |
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8 | // |
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9 | // Author : Rob Schluntz |
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10 | // Created On : Wed Mar 14 10:06:25 2018 |
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11 | // Last Modified By : Peter A. Buhr |
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12 | // Last Modified On : Mon Dec 24 11:24:35 2018 |
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13 | // Update Count : 22 |
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14 | // |
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15 | |
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16 | #include <fstream.hfa> |
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17 | |
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18 | void test(int choice) { |
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19 | choose ( choice ) { |
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20 | case 1: |
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21 | sout | "case 1"; |
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22 | fallthru; |
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23 | case 2: |
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24 | sout | "case 2"; |
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25 | fallthru; |
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26 | sout | "did not fallthru"; |
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27 | if ( 7 ) fallthru common2; |
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28 | fallthru common1; |
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29 | case 3: |
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30 | sout | "case 3"; |
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31 | fallthru default; |
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32 | fallthru common1; |
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33 | common1: |
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34 | sout | "common1"; |
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35 | // break |
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36 | case 4: |
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37 | sout | "case 4"; |
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38 | fallthru common2; |
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39 | case 5: |
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40 | sout | "case 5"; |
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41 | fallthru common2; |
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42 | fallthru default; |
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43 | case 6: |
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44 | sout | "case 6"; |
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45 | fallthru common2; |
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46 | common2: |
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47 | sout | "common2"; |
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48 | // break |
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49 | default: |
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50 | sout | "default"; |
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51 | fallthru; |
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52 | } // choose |
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53 | |
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54 | sout | nl; |
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55 | |
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56 | switch ( choice ) { |
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57 | case 1: |
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58 | sout | "case 1"; |
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59 | switch ( choice ) { |
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60 | case 1: |
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61 | sout | "case 1"; |
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62 | for ( int i = 0; i < 4; i += 1 ) { |
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63 | sout | i; |
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64 | if ( i == 2 ) fallthru common; |
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65 | } // for |
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66 | } // switch |
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67 | break; |
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68 | case 5: |
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69 | sout | "case 5"; |
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70 | if ( choice == 5 ) { |
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71 | if ( choice != 5 ) { |
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72 | sout | "error"; |
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73 | } else { |
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74 | sout | "check"; |
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75 | fallthru common; |
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76 | } // if |
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77 | } // if |
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78 | common: |
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79 | sout | "common"; |
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80 | fallthru; |
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81 | break; |
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82 | default: |
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83 | sout | "default"; |
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84 | fallthru; |
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85 | } // switch |
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86 | |
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87 | #if ERR1 |
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88 | // ERROR: fallthrough must be enclosed in switch or choose |
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89 | fallthru; |
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90 | // ERROR: fallthrough must be enclosed in switch or choose |
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91 | fallthru common4; |
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92 | // ERROR: fallthrough must be enclosed in switch or choose |
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93 | fallthru default; |
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94 | choose ( 3 ) { |
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95 | case 2: |
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96 | for () { |
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97 | choose ( 2 ) { |
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98 | case 1: |
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99 | // ERROR: default is later, but in a different switch |
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100 | fallthru default; |
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101 | // ERROR: common3 is later, but not at the same level as a case clause |
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102 | fallthru common3; |
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103 | } |
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104 | common3: ; |
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105 | } // for |
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106 | default: |
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107 | case 1: |
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108 | common4: |
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109 | // ERROR: attempt to jump up with fallthrough |
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110 | if ( 7 ) fallthru common4; |
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111 | // ERROR: attempt to jump up with fallthrough |
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112 | fallthru default; |
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113 | } // choose |
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114 | #endif |
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115 | } |
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116 | |
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117 | int main() { |
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118 | test( 1 ); |
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119 | sout | nl; |
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120 | test( 5 ); |
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121 | } |
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122 | |
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123 | // Local Variables: // |
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124 | // tab-width: 4 // |
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125 | // compile-command: "cfa fallthrough.cfa" // |
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126 | // End: // |
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