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 -std=c99 -E -DPP_ONLY=1 %s | FileCheck %s --strict-whitespace 4 // RUN: %clang_cc1 -E -DPP_ONLY=1 %s | FileCheck %s --strict-whitespace 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 int _; 30 31 extern int X\UAAAAAAAA; // expected-error {{not allowed in an identifier}} 32 int Y = '\UAAAAAAAA'; // expected-error {{invalid universal character}} 33 34 #ifdef __cplusplus 35 36 extern int ༀ; 37 extern int ��; 38 extern int ��; 39 extern int ꙮ; 40 extern int \u1B4C; // BALINESE LETTER ARCHAIC JNYA - Added in Unicode 14 41 extern int \U00016AA2; // TANGSA LETTER GA - Added in Unicode 14 42 extern int _\N{TANGSA LETTER GA}; 43 extern int _\N{TANGSALETTERGA}; // expected-error {{'TANGSALETTERGA' is not a valid Unicode character name}} \ 44 // expected-note {{characters names in Unicode escape sequences are sensitive to case and whitespace}} 45 46 47 48 // This character doesn't have the XID_Start property 49 extern int \U00016AC0; // TANGSA DIGIT ZERO // expected-error {{expected unqualified-id}} 50 51 extern int ��; // expected-error {{unexpected character <U+1F339>}} \ 52 expected-warning {{declaration does not declare anything}} 53 54 extern int ��; // expected-error {{unexpected character <U+1F477>}} \ 55 expected-warning {{declaration does not declare anything}} 56 57 extern int ��♀; // expected-warning {{declaration does not declare anything}} \ 58 expected-error {{unexpected character <U+1F477>}} \ 59 expected-error {{unexpected character <U+200D>}} \ 60 expected-error {{unexpected character <U+2640>}} 61 #else 62 63 // A �� by any other name.... 64 extern int ��; 65 int ��(int ��) { return ��+ 1; } 66 int main (void) { 67 int �� = ��(��); 68 return ��; 69 } 70 71 int n; = 3; // expected-warning {{treating Unicode character <U+037E> as identifier character rather than as ';' symbol}} 72 int *n꞉꞉v = &n;; // expected-warning 2{{treating Unicode character <U+A789> as identifier character rather than as ':' symbol}} 73 // expected-warning@-1 {{treating Unicode character <U+037E> as identifier character rather than as ';' symbol}} 74 int v＝［＝］（auto）｛return～x；｝（）; // expected-warning 12{{treating Unicode character}} 75 76 int xx; 77 // expected-warning@-1 {{identifier contains Unicode character <U+2060> that is invisible in some environments}} 78 // expected-warning@-2 {{identifier contains Unicode character <U+FEFF> that is invisible in some environments}} 79 // expected-warning@-3 {{identifier contains Unicode character <U+200D> that is invisible in some environments}} 80 int foobar = 0; // expected-warning {{identifier contains Unicode character <U+200B> that is invisible in some environments}} 81 int x = foobar; // expected-error {{undeclared identifier}} 82 83 int ∣foo; // expected-error {{unexpected character <U+2223>}} 84 #ifndef PP_ONLY 85 #define ∶ x // expected-error {{macro name must be an identifier}} 86 #endif 87 88 #endif 89