[b81fd95] | 1 | // |
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| 2 | // Cforall Version 1.0.0 Copyright (C) 2020 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 | // init1.cfa -- tests of initializing pointer- and reference-typed variables and returns |
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| 8 | // |
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| 9 | // Author : Michael Brooks |
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| 10 | // Created On : Thu Jul 16 22:00:00 2020 |
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[ee858bf] | 11 | // Last Modified By : Peter A. Buhr |
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[53692b3] | 12 | // Last Modified On : Sat Jun 5 10:06:57 2021 |
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| 13 | // Update Count : 9 |
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[b81fd95] | 14 | // |
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| 15 | |
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| 16 | void f() { |
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| 17 | |
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| 18 | // |
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| 19 | // setup |
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| 20 | // |
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| 21 | |
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| 22 | float x = 3.14; |
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| 23 | |
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| 24 | float & rx = x; |
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| 25 | float * px = &x; |
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| 26 | |
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| 27 | const float & crx = x; |
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| 28 | const float * cpx = &x; |
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| 29 | |
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| 30 | // |
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| 31 | // sound initializations |
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| 32 | // |
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| 33 | |
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| 34 | char * str1 = "hi"; |
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| 35 | const char * str2 = "hi"; |
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| 36 | |
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| 37 | float & rx2 = rx; |
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| 38 | float * px2 = px; |
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| 39 | |
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| 40 | const float & crx2 = crx; |
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| 41 | const float * cpx2 = cpx; |
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| 42 | |
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[30cf6b0] | 43 | // FIX ME: Code gen not producing correct cast. |
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| 44 | #pragma GCC diagnostic push |
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| 45 | #pragma GCC diagnostic ignored "-Wincompatible-pointer-types" |
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[ee858bf] | 46 | int (* fp)( int ) = 0p; |
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| 47 | fp = 0p; |
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[30cf6b0] | 48 | #pragma GCC diagnostic pop |
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[ee858bf] | 49 | |
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[b81fd95] | 50 | // |
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| 51 | // unsound initializations |
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| 52 | // |
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| 53 | |
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[ee858bf] | 54 | #ifdef ERR1 |
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[b81fd95] | 55 | // mismatched referenced type |
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| 56 | int & ry = rx; |
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| 57 | int * py = px; |
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| 58 | |
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| 59 | // would discard refered constness (same float is referenced) |
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| 60 | float & ry2 = crx; |
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| 61 | float * py2 = cpx; |
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[ee858bf] | 62 | #endif // ERR1 |
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[b81fd95] | 63 | } |
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| 64 | |
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| 65 | // |
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| 66 | // sound returns |
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| 67 | // |
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| 68 | |
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| 69 | char * f_str1() { |
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| 70 | return "hi"; |
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| 71 | } |
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| 72 | |
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| 73 | const char * f_str2() { |
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| 74 | return "hi"; |
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| 75 | } |
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| 76 | |
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| 77 | float & f_rx2 () { |
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| 78 | float & rx = *0p; |
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| 79 | return rx; |
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| 80 | } |
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| 81 | |
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| 82 | float * f_px2 () { |
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| 83 | float * px = 0p; |
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| 84 | return px; |
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| 85 | } |
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| 86 | |
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| 87 | const float & f_crx2 () { |
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| 88 | float & rx = *0p; |
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| 89 | return rx; |
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| 90 | } |
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| 91 | |
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| 92 | const float * f_cpx2 () { |
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| 93 | float * px = 0p; |
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| 94 | return px; |
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| 95 | } |
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| 96 | |
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| 97 | // |
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| 98 | // unsound returns |
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| 99 | // |
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| 100 | |
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[ee858bf] | 101 | #ifdef ERR1 |
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[b81fd95] | 102 | int & f_ry() { |
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| 103 | float & rx = *0p; |
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| 104 | return rx; // mismatched referenced type |
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| 105 | } |
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| 106 | |
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| 107 | int * f_py() { |
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| 108 | float * px = 0p; |
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| 109 | return px; // mismatched referenced type |
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| 110 | } |
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| 111 | |
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| 112 | float & f_ry2() { |
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| 113 | const float & crx = *0p; |
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| 114 | return crx; // would discard refered constness (same float is referenced) |
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| 115 | } |
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| 116 | |
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| 117 | float * f_py2() { |
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| 118 | const float * cpx = 0p; |
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| 119 | return cpx; // would discard refered constness (same float is referenced) |
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| 120 | } |
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| 121 | |
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[fd54fef] | 122 | forall (T &, S &) |
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[b81fd95] | 123 | T & anycvt( S & s ) { |
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| 124 | return s; // mismatched referenced type |
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| 125 | } |
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| 126 | |
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[fd54fef] | 127 | forall (T &, S &) |
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[b81fd95] | 128 | T * anycvt( S * s ) { |
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| 129 | return s; // mismatched referenced type |
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| 130 | } |
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[ee858bf] | 131 | #endif // ERR1 |
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| 132 | |
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| 133 | int main() { |
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[53692b3] | 134 | #pragma GCC warning "Compiled" // force non-empty .expect file, NO TABS!!! |
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[ee858bf] | 135 | } |
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