source: tests/init1.cfa @ eb5dbfd

Last change on this file since eb5dbfd was 53692b3, checked in by Peter A. Buhr <pabuhr@…>, 3 years ago

second attempt to fix compile-only pragma message that gcc-10/11 quote

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File size: 2.5 KB
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[b81fd95]1//
2// Cforall Version 1.0.0 Copyright (C) 2020 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// init1.cfa -- tests of initializing pointer- and reference-typed variables and returns
8//
9// Author           : Michael Brooks
10// Created On       : Thu Jul 16 22:00:00 2020
[ee858bf]11// Last Modified By : Peter A. Buhr
[53692b3]12// Last Modified On : Sat Jun  5 10:06:57 2021
13// Update Count     : 9
[b81fd95]14//
15
16void f() {
17
18    //
19    // setup
20    //
21
22    float x = 3.14;
23
24    float & rx = x;
25    float * px = &x;
26
27    const float & crx = x;
28    const float * cpx = &x;
29
30    //
31    // sound initializations
32    //
33
34    char * str1 = "hi";
35    const char * str2 = "hi";
36
37    float & rx2 = rx;
38    float * px2 = px;
39
40    const float & crx2 = crx;
41    const float * cpx2 = cpx;
42
[30cf6b0]43    // FIX ME: Code gen not producing correct cast.
44#pragma GCC diagnostic push
45#pragma GCC diagnostic ignored "-Wincompatible-pointer-types"
[ee858bf]46    int (* fp)( int ) = 0p;
47    fp = 0p;
[30cf6b0]48#pragma GCC diagnostic pop
[ee858bf]49
[b81fd95]50    //
51    // unsound initializations
52    //
53
[ee858bf]54    #ifdef ERR1
[b81fd95]55    // mismatched referenced type
56    int & ry = rx;
57    int * py = px;
58
59    // would discard refered constness (same float is referenced)
60    float & ry2 = crx;
61    float * py2 = cpx;
[ee858bf]62    #endif // ERR1
[b81fd95]63}
64
65//
66// sound returns
67//
68
69char * f_str1() {
70    return "hi";
71}
72
73const char * f_str2() {
74    return "hi";
75}
76
77float & f_rx2 () {
78    float & rx = *0p;
79    return rx;
80}
81
82float * f_px2 () {
83    float * px = 0p;
84    return px;
85}
86
87const float & f_crx2 () {
88    float & rx = *0p;
89    return rx;
90}
91
92const float * f_cpx2 () {
93    float * px = 0p;
94    return px;
95}
96
97//
98// unsound returns
99//
100
[ee858bf]101#ifdef ERR1
[b81fd95]102int & f_ry() {
103    float & rx = *0p;
104    return rx;               // mismatched referenced type
105}
106
107int * f_py() {
108    float * px = 0p;
109    return px;               // mismatched referenced type
110}
111
112float & f_ry2() {
113    const float & crx = *0p;
114    return crx;              // would discard refered constness (same float is referenced)
115}
116
117float * f_py2() {
118    const float * cpx = 0p;
119    return cpx;              // would discard refered constness (same float is referenced)
120}
121
[fd54fef]122forall (T &, S &)
[b81fd95]123T & anycvt( S & s ) {
124    return s;               // mismatched referenced type
125}
126
[fd54fef]127forall (T &, S &)
[b81fd95]128T * anycvt( S * s ) {
129    return s;               // mismatched referenced type
130}
[ee858bf]131#endif // ERR1
132
133int main() {
[53692b3]134    #pragma GCC warning "Compiled"                      // force non-empty .expect file, NO TABS!!!
[ee858bf]135}
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