1 // RUN: %clang_cc1 -fsyntax-only -verify -x c -std=c11 %s
2 // RUN: %clang_cc1 -fsyntax-only -verify -x c++ -std=c++11 %s
3 // RUN: %clang_cc1 -E -DPP_ONLY=1 %s -o %t
4 // RUN: FileCheck --strict-whitespace --input-file=%t %s
5
6 // This file contains Unicode characters; please do not "fix" them!
7
8 extern int x; // expected-warning {{treating Unicode character as whitespace}}
9 extern int x; // expected-warning {{treating Unicode character as whitespace}}
10
11 // CHECK: extern int {{x}}
12 // CHECK: extern int {{x}}
13
14 #pragma mark ¡Unicode!
15
16 #define COPYRIGHT Copyright © 2012
17 #define XSTR(X) #X
18 #define STR(X) XSTR(X)
19
20 static const char *copyright = STR(COPYRIGHT); // no-warning
21 // CHECK: static const char *copyright = "Copyright © {{2012}}";
22
23 #if PP_ONLY
24 COPYRIGHT
25 // CHECK: Copyright © {{2012}}
26 CHECK: The preprocessor should not complain about Unicode characters like ©.
27 #endif
28
29 // A �� by any other name....
30 extern int ��;
31 int ��(int ��) { return ��+ 1; }
main()32 int main () {
33 int �� = ��(��);
34 return ��;
35 }
36
37 int n; = 3; // expected-warning {{treating Unicode character <U+037E> as identifier character rather than as ';' symbol}}
38 int *n꞉꞉v = &n;; // expected-warning 2{{treating Unicode character <U+A789> as identifier character rather than as ':' symbol}}
39 // expected-warning@-1 {{treating Unicode character <U+037E> as identifier character rather than as ';' symbol}}
40 int v＝［＝］（auto）｛return～x；｝（）; // expected-warning 12{{treating Unicode character}}
41
42 int xx;
43 // expected-warning@-1 {{identifier contains Unicode character <U+2060> that is invisible in some environments}}
44 // expected-warning@-2 {{identifier contains Unicode character <U+FEFF> that is invisible in some environments}}
45 // expected-warning@-3 {{identifier contains Unicode character <U+200D> that is invisible in some environments}}
46 int foobar = 0; // expected-warning {{identifier contains Unicode character <U+200B> that is invisible in some environments}}
47 int x = foobar; // expected-error {{undeclared identifier}}
48
49 int ∣foo; // expected-error {{non-ASCII character}}
50 #ifndef PP_ONLY
51 #define ∶ x // expected-error {{macro name must be an identifier}}
52 #endif
53