This revision was landed with ongoing or failed builds. This revision was automatically updated to reflect the committed changes. Closed by commit rG91ed7e194181: [clang] Allow all string types for all attribute(format) styles (authored by fcloutier).
Changed prior to commit: https://reviews.llvm.org/D125254?vs=428142&id=429028#toc Repository: rG LLVM Github Monorepo CHANGES SINCE LAST ACTION https://reviews.llvm.org/D125254/new/ https://reviews.llvm.org/D125254 Files: clang/include/clang/Basic/DiagnosticSemaKinds.td clang/lib/Sema/SemaDeclAttr.cpp clang/test/SemaObjC/format-strings-objc.m Index: clang/test/SemaObjC/format-strings-objc.m =================================================================== --- clang/test/SemaObjC/format-strings-objc.m +++ clang/test/SemaObjC/format-strings-objc.m @@ -60,8 +60,23 @@ } // Check type validation -extern void NSLog2(int format, ...) __attribute__((format(__NSString__, 1, 2))); // expected-error {{format argument not an NSString}} -extern void CFStringCreateWithFormat2(int *format, ...) __attribute__((format(CFString, 1, 2))); // expected-error {{format argument not a CFString}} +extern void NSLog2(int format, ...) __attribute__((format(__NSString__, 1, 2))); // expected-error {{format argument not a string type}} +extern void CFStringCreateWithFormat2(int *format, ...) __attribute__((format(CFString, 1, 2))); // expected-error {{format argument not a string type}} + +// Check interoperability of strings +extern void NSLog3(const char *, ...) __attribute__((format(__NSString__, 1, 2))); +extern void CFStringCreateWithFormat3(CFStringRef, ...) __attribute__((format(__NSString__, 1, 2))); +extern void printf2(NSString *format, ...) __attribute__((format(printf, 1, 2))); + +extern NSString *CStringToNSString(const char *) __attribute__((format_arg(1))); + +void NSLog3(const char *fmt, ...) { + NSString *const nsFmt = CStringToNSString(fmt); + va_list ap; + va_start(ap, fmt); + NSLogv(nsFmt, ap); + va_end(ap); +} // <rdar://problem/7068334> - Catch use of long long with int arguments. void rdar_7068334(void) { Index: clang/lib/Sema/SemaDeclAttr.cpp =================================================================== --- clang/lib/Sema/SemaDeclAttr.cpp +++ clang/lib/Sema/SemaDeclAttr.cpp @@ -3661,8 +3661,7 @@ (!Ty->isPointerType() || !Ty->castAs<PointerType>()->getPointeeType()->isCharType())) { S.Diag(AL.getLoc(), diag::err_format_attribute_not) - << "a string type" << IdxExpr->getSourceRange() - << getFunctionOrMethodParamRange(D, 0); + << IdxExpr->getSourceRange() << getFunctionOrMethodParamRange(D, 0); return; } Ty = getFunctionOrMethodResultType(D); @@ -3862,27 +3861,12 @@ // make sure the format string is really a string QualType Ty = getFunctionOrMethodParamType(D, ArgIdx); - if (Kind == CFStringFormat) { - if (!isCFStringType(Ty, S.Context)) { - S.Diag(AL.getLoc(), diag::err_format_attribute_not) - << "a CFString" << IdxExpr->getSourceRange() - << getFunctionOrMethodParamRange(D, ArgIdx); - return; - } - } else if (Kind == NSStringFormat) { - // FIXME: do we need to check if the type is NSString*? What are the - // semantics? - if (!isNSStringType(Ty, S.Context, /*AllowNSAttributedString=*/true)) { - S.Diag(AL.getLoc(), diag::err_format_attribute_not) - << "an NSString" << IdxExpr->getSourceRange() - << getFunctionOrMethodParamRange(D, ArgIdx); - return; - } - } else if (!Ty->isPointerType() || - !Ty->castAs<PointerType>()->getPointeeType()->isCharType()) { + if (!isNSStringType(Ty, S.Context, true) && + !isCFStringType(Ty, S.Context) && + (!Ty->isPointerType() || + !Ty->castAs<PointerType>()->getPointeeType()->isCharType())) { S.Diag(AL.getLoc(), diag::err_format_attribute_not) - << "a string type" << IdxExpr->getSourceRange() - << getFunctionOrMethodParamRange(D, ArgIdx); + << IdxExpr->getSourceRange() << getFunctionOrMethodParamRange(D, ArgIdx); return; } Index: clang/include/clang/Basic/DiagnosticSemaKinds.td =================================================================== --- clang/include/clang/Basic/DiagnosticSemaKinds.td +++ clang/include/clang/Basic/DiagnosticSemaKinds.td @@ -3108,7 +3108,7 @@ "strftime format attribute requires 3rd parameter to be 0">; def err_format_attribute_requires_variadic : Error< "format attribute requires variadic function">; -def err_format_attribute_not : Error<"format argument not %0">; +def err_format_attribute_not : Error<"format argument not a string type">; def err_format_attribute_result_not : Error<"function does not return %0">; def err_format_attribute_implicit_this_format_string : Error< "format attribute cannot specify the implicit this argument as the format "
Index: clang/test/SemaObjC/format-strings-objc.m =================================================================== --- clang/test/SemaObjC/format-strings-objc.m +++ clang/test/SemaObjC/format-strings-objc.m @@ -60,8 +60,23 @@ } // Check type validation -extern void NSLog2(int format, ...) __attribute__((format(__NSString__, 1, 2))); // expected-error {{format argument not an NSString}} -extern void CFStringCreateWithFormat2(int *format, ...) __attribute__((format(CFString, 1, 2))); // expected-error {{format argument not a CFString}} +extern void NSLog2(int format, ...) __attribute__((format(__NSString__, 1, 2))); // expected-error {{format argument not a string type}} +extern void CFStringCreateWithFormat2(int *format, ...) __attribute__((format(CFString, 1, 2))); // expected-error {{format argument not a string type}} + +// Check interoperability of strings +extern void NSLog3(const char *, ...) __attribute__((format(__NSString__, 1, 2))); +extern void CFStringCreateWithFormat3(CFStringRef, ...) __attribute__((format(__NSString__, 1, 2))); +extern void printf2(NSString *format, ...) __attribute__((format(printf, 1, 2))); + +extern NSString *CStringToNSString(const char *) __attribute__((format_arg(1))); + +void NSLog3(const char *fmt, ...) { + NSString *const nsFmt = CStringToNSString(fmt); + va_list ap; + va_start(ap, fmt); + NSLogv(nsFmt, ap); + va_end(ap); +} // <rdar://problem/7068334> - Catch use of long long with int arguments. void rdar_7068334(void) { Index: clang/lib/Sema/SemaDeclAttr.cpp =================================================================== --- clang/lib/Sema/SemaDeclAttr.cpp +++ clang/lib/Sema/SemaDeclAttr.cpp @@ -3661,8 +3661,7 @@ (!Ty->isPointerType() || !Ty->castAs<PointerType>()->getPointeeType()->isCharType())) { S.Diag(AL.getLoc(), diag::err_format_attribute_not) - << "a string type" << IdxExpr->getSourceRange() - << getFunctionOrMethodParamRange(D, 0); + << IdxExpr->getSourceRange() << getFunctionOrMethodParamRange(D, 0); return; } Ty = getFunctionOrMethodResultType(D); @@ -3862,27 +3861,12 @@ // make sure the format string is really a string QualType Ty = getFunctionOrMethodParamType(D, ArgIdx); - if (Kind == CFStringFormat) { - if (!isCFStringType(Ty, S.Context)) { - S.Diag(AL.getLoc(), diag::err_format_attribute_not) - << "a CFString" << IdxExpr->getSourceRange() - << getFunctionOrMethodParamRange(D, ArgIdx); - return; - } - } else if (Kind == NSStringFormat) { - // FIXME: do we need to check if the type is NSString*? What are the - // semantics? - if (!isNSStringType(Ty, S.Context, /*AllowNSAttributedString=*/true)) { - S.Diag(AL.getLoc(), diag::err_format_attribute_not) - << "an NSString" << IdxExpr->getSourceRange() - << getFunctionOrMethodParamRange(D, ArgIdx); - return; - } - } else if (!Ty->isPointerType() || - !Ty->castAs<PointerType>()->getPointeeType()->isCharType()) { + if (!isNSStringType(Ty, S.Context, true) && + !isCFStringType(Ty, S.Context) && + (!Ty->isPointerType() || + !Ty->castAs<PointerType>()->getPointeeType()->isCharType())) { S.Diag(AL.getLoc(), diag::err_format_attribute_not) - << "a string type" << IdxExpr->getSourceRange() - << getFunctionOrMethodParamRange(D, ArgIdx); + << IdxExpr->getSourceRange() << getFunctionOrMethodParamRange(D, ArgIdx); return; } Index: clang/include/clang/Basic/DiagnosticSemaKinds.td =================================================================== --- clang/include/clang/Basic/DiagnosticSemaKinds.td +++ clang/include/clang/Basic/DiagnosticSemaKinds.td @@ -3108,7 +3108,7 @@ "strftime format attribute requires 3rd parameter to be 0">; def err_format_attribute_requires_variadic : Error< "format attribute requires variadic function">; -def err_format_attribute_not : Error<"format argument not %0">; +def err_format_attribute_not : Error<"format argument not a string type">; def err_format_attribute_result_not : Error<"function does not return %0">; def err_format_attribute_implicit_this_format_string : Error< "format attribute cannot specify the implicit this argument as the format "
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