1 | // RUN: %clang_cc1 %s -fsyntax-only -std=c99 -verify |
2 | // RUN: %clang_cc1 %s -fsyntax-only -std=c11 -Wc99-compat -verify |
3 | // RUN: %clang_cc1 %s -fsyntax-only -x c++ -std=c++03 -Wc++11-compat -verify |
4 | // RUN: %clang_cc1 %s -fsyntax-only -x c++ -std=c++11 -Wc++98-compat -verify |
5 | |
6 | // Identifier characters |
7 | extern char a\u01F6; // C11, C++11 |
8 | extern char a\u00AA; // C99, C11, C++11 |
9 | extern char a\u0384; // C++03, C11, C++11 |
10 | extern char a\u0E50; // C99, C++03, C11, C++11 |
11 | extern char a\uFFFF; // none |
12 | |
13 | |
14 | |
15 | |
16 | |
17 | // Identifier initial characters |
18 | extern char \u0E50; // C++03, C11, C++11 |
19 | extern char \u0300; // disallowed initially in C11/C++11, always in C99/C++03 |
20 | extern char \u0D61; // C99, C11, C++03, C++11 |
21 | |
22 | |
23 | |
24 | |
25 | |
26 | |
27 | |
28 | // Disallowed everywhere |
29 | #define A \u0000 // expected-error{{control character}} |
30 | #define B \u001F // expected-error{{control character}} |
31 | #define C \u007F // expected-error{{control character}} |
32 | #define D \u009F // expected-error{{control character}} |
33 | #define E \uD800 // C++03 allows UCNs representing surrogate characters! |
34 | |
35 | |
36 | |
37 | |
38 | |
39 | |
40 | #if __cplusplus |
41 | # if __cplusplus >= 201103L |
42 | // C++11 |
43 | // expected-warning@7 {{using this character in an identifier is incompatible with C++98}} |
44 | // expected-warning@8 {{using this character in an identifier is incompatible with C++98}} |
45 | // expected-error@11 {{expected ';'}} |
46 | // expected-error@19 {{expected unqualified-id}} |
47 | // expected-error@33 {{invalid universal character}} |
48 | |
49 | # else |
50 | // C++03 |
51 | // expected-error@7 {{expected ';'}} |
52 | // expected-error@8 {{expected ';'}} |
53 | // expected-error@11 {{expected ';'}} |
54 | // expected-error@19 {{expected unqualified-id}} |
55 | // expected-warning@33 {{universal character name refers to a surrogate character}} |
56 | |
57 | # endif |
58 | #else |
59 | # if __STDC_VERSION__ >= 201112L |
60 | // C11 |
61 | // expected-warning@7 {{using this character in an identifier is incompatible with C99}} |
62 | // expected-warning@9 {{using this character in an identifier is incompatible with C99}} |
63 | // expected-error@11 {{expected ';'}} |
64 | // expected-warning@18 {{starting an identifier with this character is incompatible with C99}} |
65 | // expected-error@19 {{expected identifier}} |
66 | // expected-error@33 {{invalid universal character}} |
67 | |
68 | # else |
69 | // C99 |
70 | // expected-error@7 {{expected ';'}} |
71 | // expected-error@9 {{expected ';'}} |
72 | // expected-error@11 {{expected ';'}} |
73 | // expected-error@18 {{expected identifier}} |
74 | // expected-error@19 {{expected identifier}} |
75 | // expected-error@33 {{invalid universal character}} |
76 | |
77 | # endif |
78 | #endif |
79 | |