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// 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 _;
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__ >= 202000L)
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 _\N{TANGSA LETTER GA};
extern int _\N{TANGSALETTERGA}; // expected-error {{'TANGSALETTERGA' is not a valid Unicode character name}} \
// expected-note {{characters names in Unicode escape sequences are sensitive to case and whitespace}}
// 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 👷; // 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 {{unexpected character <U+200D>}} \
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 identifier character rather than as ';' symbol}}
int *n꞉꞉v = &n;; // expected-warning 2{{treating Unicode character <U+A789> as identifier character rather than as ':' symbol}}
// expected-warning@-1 {{treating Unicode character <U+037E> as 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
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