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// RUN: %clang_cc1 -x c++ -std=gnu++11 -fsyntax-only -pedantic -verify %s
// RUN: %clang_cc1 -x c -std=gnu11 -fsyntax-only -pedantic -verify %s
// RUN: %clang_cc1 -x c++ -std=gnu++11 -fwchar-type=short -fno-signed-wchar -fsyntax-only -pedantic -verify %s
// RUN: %clang_cc1 -x c -std=gnu11 -fwchar-type=short -fno-signed-wchar -fsyntax-only -pedantic -verify %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{8}" //expected-error {{invalid digit '8' in escape sequence}}
;
void ucn() {
char a = '\u{1234}'; // expected-error {{character too large for enclosing character literal type}}
// expected-warning@-1 {{delimited escape sequences are a Clang extension}}
unsigned b = U'\u{1234}'; // expected-warning {{extension}}
#ifdef __cplusplus
unsigned b2 = U'\u{1}'; // expected-warning {{extension}}
#else
unsigned b2 = U'\u{1}'; //expected-error {{universal character name refers to a control character}}
#endif
unsigned c = U'\u{000000000001234}'; // expected-warning {{extension}}
unsigned d = U'\u{111111111}'; //expected-error {{hex escape sequence out of range}}
}
void hex() {
char a = '\x{1}'; // expected-warning {{extension}}
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}'; // expected-warning {{extension}}
unsigned e = L'\x{100000000}'; // expected-error {{hex escape sequence out of range}}
#else
unsigned f = L'\x{FFFF}'; // expected-warning {{extension}}
unsigned g = L'\x{10000}'; // expected-error {{hex escape sequence out of range}}
#endif
unsigned h = U'\x{FFFFFFFF}'; // expected-warning {{extension}}
unsigned i = U'\x{100000000}'; // expected-error {{hex escape sequence out of range}}
}
void octal() {
char a = '\o{1}'; // expected-warning {{extension}}
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}'; // expected-warning {{extension}}
unsigned e = L'\o{40000000000}'; // expected-error {{octal escape sequence out of range}}
#else
unsigned d = L'\o{177777}'; // expected-warning {{extension}}
unsigned e = L'\o{200000}'; // expected-error {{octal escape sequence out of range}}
#endif
}
void concat() {
(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 separators() {
(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}}
}
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