1 #if GC
2 # define GCONST const
3 #else
4 # define GCONST
5 #endif
6
7 // gconst-note@8 {{variable 'glb' declared const here}}
8 GCONST int glb = 5;
9
10
11 // Check various correct prefix spellings and combinations.
12 //
13 // RUN: %clang_cc1 -DGC -verify=gconst %s
14 // RUN: %clang_cc1 -Wcast-qual -DLC -verify=lconst %s
15 // RUN: %clang_cc1 -DSC -verify=expected %s
16 // RUN: %clang_cc1 -DSC -verify %s
17 // RUN: %clang_cc1 -DSC -verify -verify %s
18 // RUN: %clang_cc1 -verify=nconst %s
19 // RUN: %clang_cc1 -verify=n-const %s
20 // RUN: %clang_cc1 -verify=n_const %s
21 // RUN: %clang_cc1 -verify=NConst %s
22 // RUN: %clang_cc1 -verify=NConst2 %s
23 // RUN: %clang_cc1 -Wcast-qual -DGC -DLC -verify=gconst,lconst %s
24 // RUN: %clang_cc1 -Wcast-qual -DGC -DLC -DSC -verify=gconst,lconst,expected %s
25 // RUN: %clang_cc1 -Wcast-qual -DGC -DLC -verify=gconst -verify=lconst %s
26 // RUN: %clang_cc1 -Wcast-qual -DGC -DLC -DSC -verify=gconst,lconst -verify %s
27 // RUN: %clang_cc1 -DGC -DSC -verify -verify=gconst -verify %s
28 //
29 // Duplicate prefixes.
30 // RUN: %clang_cc1 -Wcast-qual -DGC -DLC -verify=gconst,lconst,gconst %s
31 // RUN: %clang_cc1 -DGC -verify=gconst -verify=gconst,gconst %s
32 // RUN: %clang_cc1 -DSC -verify=expected -verify=expected %s
33 // RUN: %clang_cc1 -DSC -verify -verify=expected %s
34 //
35 // Various tortured cases: multiple directives with different prefixes per
36 // line, prefixes used as comments, prefixes prefixing prefixes, and prefixes
37 // with special suffixes.
38 // RUN: %clang_cc1 -Wcast-qual -DLC -verify=foo %s
39 // RUN: %clang_cc1 -DSC -verify=bar %s
40 // RUN: %clang_cc1 -Wcast-qual -DLC -DSC -verify=foo,bar %s
41 // RUN: %clang_cc1 -Wcast-qual -DLC -DSC -verify=bar,foo %s
42 // RUN: %clang_cc1 -DSC -verify=foo-bar %s
43 // RUN: %clang_cc1 -Wcast-qual -DLC -verify=bar-foo %s
44 // RUN: %clang_cc1 -Wcast-qual -DLC -DSC -verify=foo,foo-bar %s
45 // RUN: %clang_cc1 -Wcast-qual -DLC -DSC -verify=foo-bar,foo %s
46 // RUN: %clang_cc1 -Wcast-qual -DLC -DSC -verify=bar,bar-foo %s
47 // RUN: %clang_cc1 -Wcast-qual -DLC -DSC -verify=bar-foo,bar %s
48 // RUN: %clang_cc1 -Wcast-qual -DLC -DSC -verify=foo-bar,bar-foo %s
49 // RUN: %clang_cc1 -DSC -verify=foo-warning %s
50 // RUN: %clang_cc1 -Wcast-qual -DLC -verify=bar-warning-re %s
51 // RUN: %clang_cc1 -Wcast-qual -DLC -DSC -verify=foo,foo-warning %s
52 // RUN: %clang_cc1 -Wcast-qual -DLC -DSC -verify=foo-warning,foo %s
53 // RUN: %clang_cc1 -Wcast-qual -DLC -DSC -verify=bar,bar-warning-re %s
54 // RUN: %clang_cc1 -Wcast-qual -DLC -DSC -verify=bar-warning-re,bar %s
55
56
57 // Check invalid prefixes. Check that there's no additional output, which
58 // might indicate that diagnostic verification became enabled even though it
59 // was requested incorrectly. Check that prefixes are reported in command-line
60 // order.
61 //
62 // RUN: not %clang_cc1 -verify=5abc,-xy,foo,_k -verify='#a,b$' %s 2> %t
63 // RUN: FileCheck --check-prefixes=ERR %s < %t
64 //
65 // ERR-NOT: {{.}}
66 // ERR: error: invalid value '5abc' in '-verify='
67 // ERR-NEXT: note: -verify prefixes must start with a letter and contain only alphanumeric characters, hyphens, and underscores
68 // ERR-NEXT: error: invalid value '-xy' in '-verify='
69 // ERR-NEXT: note: -verify prefixes must start with a letter and contain only alphanumeric characters, hyphens, and underscores
70 // ERR-NEXT: error: invalid value '_k' in '-verify='
71 // ERR-NEXT: note: -verify prefixes must start with a letter and contain only alphanumeric characters, hyphens, and underscores
72 // ERR-NEXT: error: invalid value '#a' in '-verify='
73 // ERR-NEXT: note: -verify prefixes must start with a letter and contain only alphanumeric characters, hyphens, and underscores
74 // ERR-NEXT: error: invalid value 'b$' in '-verify='
75 // ERR-NEXT: note: -verify prefixes must start with a letter and contain only alphanumeric characters, hyphens, and underscores
76 // ERR-NOT: {{.}}
77
78
79 // Check that our test code actually has expected diagnostics when there's no
80 // -verify.
81 //
82 // RUN: not %clang_cc1 -Wcast-qual -DGC -DLC -DSC %s 2> %t
83 // RUN: FileCheck --check-prefix=ALL %s < %t
84 //
85 // ALL: cannot assign to variable 'glb' with const-qualified type 'const int'
86 // ALL: variable 'glb' declared const here
87 // ALL: cast from 'const int *' to 'int *' drops const qualifier
88 // ALL: initializing 'int *' with an expression of type 'const int *' discards qualifiers
89
90
91 #if LC
92 # define LCONST const
93 #else
94 # define LCONST
95 #endif
96
97 #if SC
98 # define SCONST const
99 #else
100 # define SCONST
101 #endif
102
foo(void)103 void foo(void) {
104 LCONST int loc = 5;
105 SCONST static int sta = 5;
106 // We don't actually expect 1-2 occurrences of this error. We're just
107 // checking the parsing.
108 glb = 6; // gconst-error1-2 {{cannot assign to variable 'glb' with const-qualified type 'const int'}}
109 *(int*)(&loc) = 6; // lconst-warning {{cast from 'const int *' to 'int *' drops const qualifier}}
110 ; // Code, comments, and many directives with different prefixes per line, including cases where some prefixes (foo and bar) prefix others (such as foo-bar and bar-foo), such that some prefixes appear as normal comments and some have special suffixes (-warning and -re): foo-warning@-1 {{cast from 'const int *' to 'int *' drops const qualifier}} foo-bar-warning@+1 {{initializing 'int *' with an expression of type 'const int *' discards qualifiers}} foo-warning-warning@+1 {{initializing 'int *' with an expression of type 'const int *' discards qualifiers}} bar-warning-re-warning@-1 {{cast from 'const int *' to 'int *' drops const qualifier}} bar-foo-warning@-1 {{cast from 'const int *' to 'int *' drops const qualifier}} bar-warning@+1 {{initializing 'int *' with an expression of type 'const int *' discards qualifiers}}
111 int *p = &sta; // expected-warning {{initializing 'int *' with an expression of type 'const int *' discards qualifiers}}
112 }
113
114 // nconst-no-diagnostics
115 // n-const-no-diagnostics
116 // n_const-no-diagnostics
117 // NConst-no-diagnostics
118 // NConst2-no-diagnostics
119