diff options
Diffstat (limited to 'clang/test/SemaCXX/attr-format.cpp')
| -rw-r--r-- | clang/test/SemaCXX/attr-format.cpp | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/clang/test/SemaCXX/attr-format.cpp b/clang/test/SemaCXX/attr-format.cpp index adc05fc..c0aeb5d 100644 --- a/clang/test/SemaCXX/attr-format.cpp +++ b/clang/test/SemaCXX/attr-format.cpp @@ -1,4 +1,4 @@ -// RUN: %clang_cc1 -fsyntax-only -Wformat-nonliteral -verify %s +// RUN: %clang_cc1 -fsyntax-only -std=c++23 -Wformat-nonliteral -verify %s #include <stdarg.h> int printf(const char *fmt, ...) __attribute__((format(printf, 1, 2))); @@ -11,6 +11,10 @@ struct S { // the format argument is argument 2 here. void g(const char*, ...) __attribute__((format(printf, 2, 3))); const char* g2(const char*) __attribute__((format_arg(2))); + // From C++23 'this' can also be specified explicitly. + void g3(this S&, const char *, ...) __attribute__((format(printf, 2, 3))); + void g4(this const char* s, ...) __attribute__((format(printf, 1, 2))); + consteval operator const char*() const { return "%f"; } // #g4_fmt_string void h(const char*, ...) __attribute__((format(printf, 1, 4))); // \ expected-error{{implicit this argument as the format string}} @@ -18,10 +22,17 @@ struct S { expected-error{{out of bounds}} const char* h3(const char*) __attribute__((format_arg(1))); // \ expected-error{{invalid for the implicit this argument}} + void h4(this S&, const char *, ...) __attribute__((format(printf, 1, 3))); // \ + expected-error {{format argument not a string type}} void operator() (const char*, ...) __attribute__((format(printf, 2, 3))); }; +void s() { + S().g4(4); // expected-warning {{format specifies type 'double' but the argument has type 'int'}} + // expected-note@#g4_fmt_string {{format string is defined here}} +} + // PR5521 struct A { void a(const char*,...) __attribute((format(printf,2,3))); }; void b(A x) { |