109 lines · c
1// RUN: %clang_cc1 -fsyntax-only -verify -x c -std=c11 %s2// RUN: %clang_cc1 -fsyntax-only -verify=expected,c2x -x c -std=c2x %s3// RUN: %clang_cc1 -fsyntax-only -verify=expected,cxx -x c++ -std=c++11 %s4// RUN: %clang_cc1 -std=c99 -E -DPP_ONLY=1 %s | FileCheck %s --strict-whitespace5// RUN: %clang_cc1 -E -DPP_ONLY=1 %s | FileCheck %s --strict-whitespace6// UNSUPPORTED: system-zos7 8// This file contains Unicode characters; please do not "fix" them!9 10extern int x; // expected-warning {{treating Unicode character as whitespace}}11extern int x; // expected-warning {{treating Unicode character as whitespace}}12 13// CHECK: extern int {{x}}14// CHECK: extern int {{x}}15 16#pragma mark ¡Unicode!17 18#define COPYRIGHT Copyright © 201219#define XSTR(X) #X20#define STR(X) XSTR(X)21 22static const char *copyright = STR(COPYRIGHT); // no-warning23// CHECK: static const char *copyright = "Copyright © {{2012}}";24 25#if PP_ONLY26COPYRIGHT27// CHECK: Copyright © {{2012}}28CHECK : The preprocessor should not complain about Unicode characters like ©.29#endif30 31int a;32 33extern int X\UAAAAAAAA; // expected-error {{not allowed in an identifier}}34int Y = '\UAAAAAAAA'; // expected-error {{invalid universal character}}35 36#if defined(__cplusplus) || (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 202311L)37 38extern int ༀ;39extern int 𑩐;40extern int 𐠈;41extern int ꙮ;42extern int \u1B4C; // BALINESE LETTER ARCHAIC JNYA - Added in Unicode 1443extern int \U00016AA2; // TANGSA LETTER GA - Added in Unicode 1444extern int \U0001E4D0; // 𞓐 NAG MUNDARI LETTER O - Added in Unicode 1545extern int \u{2EBF0}; // CJK UNIFIED IDEOGRAPH-2EBF0 - Added in Unicode 15.146extern int a\N{TANGSA LETTER GA};47extern int a\N{TANGSALETTERGA}; // expected-error {{'TANGSALETTERGA' is not a valid Unicode character name}} \48 // expected-error {{expected ';' after top level declarator}} \49 // expected-note {{characters names in Unicode escape sequences are sensitive to case and whitespace}}50 51extern int 𝛛; // expected-warning {{mathematical notation character <U+1D6DB> in an identifier is a Clang extension}}52extern int ₉; // expected-error {{character <U+2089> not allowed at the start of an identifier}} \\53 expected-warning {{declaration does not declare anything}}54 55int a¹b₍₄₂₎∇; // expected-warning 6{{mathematical notation character}}56 57int \u{221E} = 1; // expected-warning {{mathematical notation character}}58int \N{MATHEMATICAL SANS-SERIF BOLD ITALIC PARTIAL DIFFERENTIAL} = 1;59 // expected-warning@-1 {{mathematical notation character}}60 61int a\N{SUBSCRIPT EQUALS SIGN} = 1; // expected-warning {{mathematical notation character}}62 63// This character doesn't have the XID_Start property64extern int \U00016AC0; // TANGSA DIGIT ZERO // cxx-error {{expected unqualified-id}} \65 // c2x-error {{expected identifier or '('}}66 67extern int 🌹; // expected-error {{unexpected character <U+1F339>}} \68 expected-warning {{declaration does not declare anything}}69 70extern int 🫎; // MOOSE (Unicode 15) \71 // expected-error {{unexpected character <U+1FACE>}} \72 expected-warning {{declaration does not declare anything}}73 74extern int 👷; // expected-error {{unexpected character <U+1F477>}} \75 expected-warning {{declaration does not declare anything}}76 77extern int 👷♀; // expected-warning {{declaration does not declare anything}} \78 expected-error {{unexpected character <U+1F477>}} \79 expected-error {{character <U+200D> not allowed at the start of an identifier}} \80 expected-error {{unexpected character <U+2640>}}81#else82 83// A 🌹 by any other name....84extern int 🌹;85int 🌵(int 🌻) { return 🌻+ 1; }86int main (void) {87 int 🌷 = 🌵(🌹);88 return 🌷;89}90 91int n; = 3; // expected-warning {{treating Unicode character <U+037E> as an identifier character rather than as ';' symbol}}92int *n꞉꞉v = &n;; // expected-warning 2{{treating Unicode character <U+A789> as an identifier character rather than as ':' symbol}}93 // expected-warning@-1 {{treating Unicode character <U+037E> as an identifier character rather than as ';' symbol}}94int v＝［＝］（auto）｛return～x；｝（）; // expected-warning 12{{treating Unicode character}}95 96int xx;97// expected-warning@-1 {{identifier contains Unicode character <U+2060> that is invisible in some environments}}98// expected-warning@-2 {{identifier contains Unicode character <U+FEFF> that is invisible in some environments}}99// expected-warning@-3 {{identifier contains Unicode character <U+200D> that is invisible in some environments}}100int foobar = 0; // expected-warning {{identifier contains Unicode character <U+200B> that is invisible in some environments}}101int x = foobar; // expected-error {{undeclared identifier}}102 103int ∣foo; // expected-error {{unexpected character <U+2223>}}104#ifndef PP_ONLY105#define ∶ x // expected-error {{macro name must be an identifier}}106#endif107 108#endif109