| // RUN: %clang_cc1 -fsyntax-only -verify -x c -std=c11 %s |
| // RUN: %clang_cc1 -fsyntax-only -verify=expected,c2x -x c -std=c2x %s |
| // RUN: %clang_cc1 -fsyntax-only -verify=expected,cxx -x c++ -std=c++11 %s |
| // RUN: %clang_cc1 -std=c99 -E -DPP_ONLY=1 %s | FileCheck %s --strict-whitespace |
| // RUN: %clang_cc1 -E -DPP_ONLY=1 %s | FileCheck %s --strict-whitespace |
| |
| // This file contains Unicode characters; please do not "fix" them! |
| |
| extern int x; // expected-warning {{treating Unicode character as whitespace}} |
| extern int x; // expected-warning {{treating Unicode character as whitespace}} |
| |
| // CHECK: extern int {{x}} |
| // CHECK: extern int {{x}} |
| |
| #pragma mark ¡Unicode! |
| |
| #define COPYRIGHT Copyright © 2012 |
| #define XSTR(X) #X |
| #define STR(X) XSTR(X) |
| |
| static const char *copyright = STR(COPYRIGHT); // no-warning |
| // CHECK: static const char *copyright = "Copyright © {{2012}}"; |
| |
| #if PP_ONLY |
| COPYRIGHT |
| // CHECK: Copyright © {{2012}} |
| CHECK : The preprocessor should not complain about Unicode characters like ©. |
| #endif |
| |
| int a; |
| |
| extern int X\UAAAAAAAA; // expected-error {{not allowed in an identifier}} |
| int Y = '\UAAAAAAAA'; // expected-error {{invalid universal character}} |
| |
| #if defined(__cplusplus) || (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 202311L) |
| |
| extern int ༀ; |
| extern int 𑩐; |
| extern int 𐠈; |
| extern int ꙮ; |
| extern int \u1B4C; // BALINESE LETTER ARCHAIC JNYA - Added in Unicode 14 |
| extern int \U00016AA2; // TANGSA LETTER GA - Added in Unicode 14 |
| extern int \U0001E4D0; // 𞓐 NAG MUNDARI LETTER O - Added in Unicode 15 |
| extern int \u{2EBF0}; // CJK UNIFIED IDEOGRAPH-2EBF0 - Added in Unicode 15.1 |
| extern int a\N{TANGSA LETTER GA}; |
| extern int a\N{TANGSALETTERGA}; // expected-error {{'TANGSALETTERGA' is not a valid Unicode character name}} \ |
| // expected-error {{expected ';' after top level declarator}} \ |
| // expected-note {{characters names in Unicode escape sequences are sensitive to case and whitespace}} |
| |
| extern int 𝛛; // expected-warning {{mathematical notation character <U+1D6DB> in an identifier is a Clang extension}} |
| extern int ₉; // expected-error {{character <U+2089> not allowed at the start of an identifier}} \\ |
| expected-warning {{declaration does not declare anything}} |
| |
| int a¹b₍₄₂₎∇; // expected-warning 6{{mathematical notation character}} |
| |
| int \u{221E} = 1; // expected-warning {{mathematical notation character}} |
| int \N{MATHEMATICAL SANS-SERIF BOLD ITALIC PARTIAL DIFFERENTIAL} = 1; |
| // expected-warning@-1 {{mathematical notation character}} |
| |
| int a\N{SUBSCRIPT EQUALS SIGN} = 1; // expected-warning {{mathematical notation character}} |
| |
| // This character doesn't have the XID_Start property |
| extern int \U00016AC0; // TANGSA DIGIT ZERO // cxx-error {{expected unqualified-id}} \ |
| // c2x-error {{expected identifier or '('}} |
| |
| extern int 🌹; // expected-error {{unexpected character <U+1F339>}} \ |
| expected-warning {{declaration does not declare anything}} |
| |
| extern int 🫎; // MOOSE (Unicode 15) \ |
| // expected-error {{unexpected character <U+1FACE>}} \ |
| expected-warning {{declaration does not declare anything}} |
| |
| extern int 👷; // expected-error {{unexpected character <U+1F477>}} \ |
| expected-warning {{declaration does not declare anything}} |
| |
| extern int 👷♀; // expected-warning {{declaration does not declare anything}} \ |
| expected-error {{unexpected character <U+1F477>}} \ |
| expected-error {{character <U+200D> not allowed at the start of an identifier}} \ |
| expected-error {{unexpected character <U+2640>}} |
| #else |
| |
| // A 🌹 by any other name.... |
| extern int 🌹; |
| int 🌵(int 🌻) { return 🌻+ 1; } |
| int main (void) { |
| int 🌷 = 🌵(🌹); |
| return 🌷; |
| } |
| |
| int n; = 3; // expected-warning {{treating Unicode character <U+037E> as an identifier character rather than as ';' symbol}} |
| int *n꞉꞉v = &n;; // expected-warning 2{{treating Unicode character <U+A789> as an identifier character rather than as ':' symbol}} |
| // expected-warning@-1 {{treating Unicode character <U+037E> as an identifier character rather than as ';' symbol}} |
| int v=[=](auto){return~x;}(); // expected-warning 12{{treating Unicode character}} |
| |
| int xx; |
| // expected-warning@-1 {{identifier contains Unicode character <U+2060> that is invisible in some environments}} |
| // expected-warning@-2 {{identifier contains Unicode character <U+FEFF> that is invisible in some environments}} |
| // expected-warning@-3 {{identifier contains Unicode character <U+200D> that is invisible in some environments}} |
| int foobar = 0; // expected-warning {{identifier contains Unicode character <U+200B> that is invisible in some environments}} |
| int x = foobar; // expected-error {{undeclared identifier}} |
| |
| int ∣foo; // expected-error {{unexpected character <U+2223>}} |
| #ifndef PP_ONLY |
| #define ∶ x // expected-error {{macro name must be an identifier}} |
| #endif |
| |
| #endif |