| // RUN: %clang_cc1 -x c++ -std=gnu++11 -fsyntax-only -pedantic -verify=ext,expected %s |
| // RUN: %clang_cc1 -x c -std=gnu11 -fsyntax-only -pedantic -verify=ext,expected %s |
| // RUN: %clang_cc1 -x c++ -std=c++23 -fsyntax-only -pedantic -verify=cxx23,expected -Wpre-c++23-compat %s |
| // RUN: %clang_cc1 -x c++ -std=gnu++11 -fwchar-type=short -fno-signed-wchar -fsyntax-only -pedantic -verify=ext,expected %s |
| // RUN: %clang_cc1 -x c -std=gnu11 -fwchar-type=short -fno-signed-wchar -fsyntax-only -pedantic -verify=ext,expected %s |
| // RUN: %clang_cc1 -x c++ -std=c++17 -ftrigraphs -fsyntax-only -pedantic -verify=ext,expected -DTRIGRAPHS=1 %s |
| |
| const char *errors = |
| "\u{}" // expected-error {{delimited escape sequence cannot be empty}} |
| "\u{" // expected-error {{expected '}'}} |
| "\u{h}" // expected-error {{invalid digit 'h' in escape sequence}} |
| "\x{}" // expected-error {{delimited escape sequence cannot be empty}} |
| "\x{" // expected-error {{expected '}'}} |
| "\x{h}" // expected-error {{invalid digit 'h' in escape sequence}} |
| "\o{}" // expected-error {{delimited escape sequence cannot be empty}} |
| "\o{" // expected-error {{expected '}'}} |
| "\o" // expected-error {{expected '{' after '\o' escape sequence}} |
| "\o{8}" // expected-error {{invalid digit '8' in escape sequence}} |
| "\U{8}" // expected-error {{\U used with no following hex digits}} |
| ; |
| |
| void ucn(void) { |
| char a = '\u{1234}'; // expected-error {{character too large for enclosing character literal type}} \ |
| // ext-warning {{extension}} cxx23-warning {{C++23}} |
| |
| unsigned b = U'\u{1234}'; // ext-warning {{extension}} cxx23-warning {{C++23}} |
| |
| #ifdef __cplusplus |
| unsigned b2 = U'\u{1}'; // ext-warning {{extension}} cxx23-warning {{C++23}} |
| #else |
| unsigned b2 = U'\u{1}'; //expected-error {{universal character name refers to a control character}} |
| #endif |
| |
| unsigned c = U'\u{000000000001234}'; // ext-warning {{extension}} cxx23-warning {{C++23}} |
| unsigned d = U'\u{111111111}'; //expected-error {{hex escape sequence out of range}} |
| } |
| |
| void hex(void) { |
| char a = '\x{1}'; // ext-warning {{extension}} cxx23-warning {{C++23}} |
| char b = '\x{abcdegggggabc}'; // expected-error 5{{invalid digit 'g' in escape sequence}} |
| char c = '\x{ff1}'; // expected-error {{hex escape sequence out of range}} |
| |
| #if __WCHAR_MAX__ > 0xFFFF |
| unsigned d = L'\x{FFFFFFFF}'; // ext-warning {{extension}} cxx23-warning {{C++23}} |
| unsigned e = L'\x{100000000}'; // expected-error {{hex escape sequence out of range}} |
| #else |
| unsigned f = L'\x{FFFF}'; // ext-warning {{extension}} cxx23-warning {{C++23}} |
| unsigned g = L'\x{10000}'; // expected-error {{hex escape sequence out of range}} |
| #endif |
| unsigned h = U'\x{FFFFFFFF}'; // ext-warning {{extension}} cxx23-warning {{C++23}} |
| unsigned i = U'\x{100000000}'; // expected-error {{hex escape sequence out of range}} |
| } |
| |
| void octal(void) { |
| char a = '\o{1}'; // ext-warning {{extension}} cxx23-warning {{C++23}} |
| char b = '\o{12345678881238}'; // expected-error 4{{invalid digit '8' in escape sequence}} |
| char c = '\o{777}'; // //expected-error {{octal escape sequence out of range}} |
| #if __WCHAR_MAX__ > 0xFFFF |
| unsigned d = L'\o{37777777777}'; // ext-warning {{extension}} cxx23-warning {{C++23}} |
| unsigned e = L'\o{40000000000}'; // expected-error {{octal escape sequence out of range}} |
| unsigned f = L'\o{100000000000}'; // expected-error {{octal escape sequence out of range}} |
| unsigned g = L'\o{200000000000}'; // expected-error {{octal escape sequence out of range}} |
| #else |
| unsigned d = L'\o{177777}'; // ext-warning {{extension}} cxx23-warning {{C++23}} |
| unsigned e = L'\o{200000}'; // expected-error {{octal escape sequence out of range}} |
| #endif |
| } |
| |
| void concat(void) { |
| (void)"\x{" "12}"; // expected-error {{expected '}'}} |
| (void)"\u{" "12}"; // expected-error {{expected '}'}} |
| (void)"\o{" "12}"; // expected-error {{expected '}'}} |
| |
| (void)"\x{12" "}"; // expected-error {{expected '}'}} |
| (void)"\u{12" "}"; // expected-error {{expected '}'}} |
| (void)"\o{12" "}"; // expected-error {{expected '}'}} |
| } |
| |
| void named(void) { |
| char a = '\N{LOTUS}'; // expected-error{{character too large for enclosing character literal type}} \ |
| // ext-warning {{extension}} cxx23-warning {{C++23}} |
| |
| char b = '\N{DOLLAR SIGN}'; // ext-warning {{extension}} cxx23-warning {{C++23}} |
| char b_ = '\N{ DOL-LAR _SIGN }'; // expected-error {{' DOL-LAR _SIGN ' is not a valid Unicode character name}} \ |
| // expected-note {{characters names in Unicode escape sequences are sensitive to case and whitespaces}} |
| |
| char c = '\N{NOTATHING}'; // expected-error {{'NOTATHING' is not a valid Unicode character name}} \ |
| // expected-note 5{{did you mean}} |
| char d = '\N{}'; // expected-error {{delimited escape sequence cannot be empty}} |
| char e = '\N{'; // expected-error {{incomplete universal character name}} |
| |
| unsigned f = L'\N{GREEK CAPITAL LETTER DELTA}'; // ext-warning {{extension}} cxx23-warning {{C++23}} |
| |
| unsigned g = u'\N{LOTUS}'; // expected-error {{character too large for enclosing character literal type}} \ |
| // ext-warning {{extension}} cxx23-warning {{C++23}} |
| |
| unsigned h = U'\N{LOTUS}'; // ext-warning {{extension}} cxx23-warning {{C++23}} |
| unsigned i = u'\N{GREEK CAPITAL LETTER DELTA}'; // ext-warning {{extension}} cxx23-warning {{C++23}} |
| char j = '\NN'; // expected-error {{expected '{' after '\N' escape sequence}} expected-warning {{multi-character character constant}} |
| unsigned k = u'\N{LOTUS'; // expected-error {{incomplete universal character name}} |
| |
| const char* emoji = "\N{🤡}"; // expected-error {{'🤡' is not a valid Unicode character name}} \ |
| // expected-note 5{{did you mean}} |
| const char* nested = "\N{\N{SPARKLE}}"; // expected-error {{'\N{SPARKLE' is not a valid Unicode character name}} \ |
| // expected-note 5{{did you mean}} |
| } |
| |
| void separators(void) { |
| (void)"\x{12'3}"; // expected-error {{invalid digit ''' in escape sequence}} |
| (void)"\u{12'3}"; // expected-error {{invalid digit ''' in escape sequence}} |
| (void)"\o{12'3}"; // expected-error {{invalid digit ''' in escape sequence}} |
| |
| '\x{12'3'}'; // expected-error {{expected '}'}} |
| // expected-error@-1 2{{expected ';'}} |
| // expected-warning@-2 3{{expression result unused}} |
| } |
| |
| #if L'\N{GREEK CAPITAL LETTER GAMMA}' != L'Γ' // ext-warning {{extension}} cxx23-warning {{C++23}} |
| #error "oh no!" |
| #endif |
| |
| #ifdef TRIGRAPHS |
| static_assert('\N??<DOLLAR SIGN??>' == '$'); // expected-warning 2{{trigraph converted}} \ |
| // ext-warning {{extension}} cxx23-warning {{C++23}} |
| #endif |
