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