unicode.c
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// RUN: %clang_cc1 -fsyntax-only -verify -x c -std=c11 %s
// RUN: %clang_cc1 -fsyntax-only -verify -x c++ -std=c++11 %s
// RUN: %clang_cc1 -E -DPP_ONLY=1 %s -o %t
// RUN: FileCheck --strict-whitespace --input-file=%t %s
// 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
// A 🌹 by any other name....
extern int 🌹;
int 🌵(int 🌻) { return 🌻+ 1; }
int main () {
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 {{non-ASCII character}}
#ifndef PP_ONLY
#define ∶ x // expected-error {{macro name must be an identifier}}
#endif