IOS 警告 汇总
来源:互联网 发布:mac os x 10.12 cdr 编辑:程序博客网 时间:2024/05/19 15:42
Semantic Warnings
input conversion stopped due to an input byte that does not belong to the input codeset UTF-8-WNSObject-attribute
__attribute ((NSObject)) may be put on a typedef only, attribute is ignored-Wabstract-vbase-init
initializer for virtual base class %0 of abstract class %1 will never be used-Waddress-of-array-temporary
pointer is initialized by a temporary array, which will be destroyed at the end of the full-expression-Warc-maybe-repeated-use-of-weak
"weak %select{variable|property|implicit property|instance variable}0 %1 may be accessed multiple times in this %select{function|method|block|lambda}2 and may be unpredictably set to nil assign to a strong variable to keep the object alive-Warc-non-pod-memaccess
%select{destination for|source of}0 this %1 call is a pointer to ownership-qualified type %2-Warc-performSelector-leaks
performSelector may cause a leak because its selector is unknown-Warc-repeated-use-of-weak
"weak %select{variable|property|implicit property|instance variable}0 %1 is accessed multiple times in this %select{function|method|block|lambda}2 but may be unpredictably set to nil assign to a strong variable to keep the object alive-Warc-retain-cycles
capturing %0 strongly in this block is likely to lead to a retain cycle-Warc-unsafe-retained-assign
assigning retained object to unsafe property object will be released after assignment-Warc-unsafe-retained-assign
assigning %select{array literal|dictionary literal|numeric literal|boxed expression|should not happen|block literal}0 to a weak %select{property|variable}1 object will be released after assignment-Warc-unsafe-retained-assign
assigning retained object to %select{weak|unsafe_unretained}0 %select{property|variable}1 object will be released after assignment-Warray-bounds
array index %0 is past the end of the array (which contains %1 element%s2)-Warray-bounds
array index %0 is before the beginning of the array-Warray-bounds
'static' has no effect on zero-length arrays-Warray-bounds
array argument is too small contains %0 elements, callee requires at least %1-Warray-bounds-pointer-arithmetic
the pointer incremented by %0 refers past the end of the array (that contains %1 element%s2)-Warray-bounds-pointer-arithmetic
the pointer decremented by %0 refers before the beginning of the array-Wassign-enum
integer constant not in range of enumerated type %0-Watomic-property-with-user-defined-accessor
writable atomic property %0 cannot pair a synthesized %select{getter|setter}1 with a user defined %select{getter|setter}2-Wattributes
unknown attribute %0 ignored-Wauto-var-id
'auto' deduced as 'id' in declaration of %0-Wavailability
unknown platform %0 in availability macro-Wavailability
overriding method %select{introduced after|deprecated before|obsoleted before}0 overridden method on %1 (%2 vs. %3)-Wavailability
availability does not match previous declaration-Wavailability
overriding method cannot be unavailable on %0 when its overridden method is available-Wavailability
feature cannot be %select{introduced|deprecated|obsoleted}0 in %1 version %2 before it was %select{introduced|deprecated|obsoleted}3 in version %4 attribute ignored-Wbad-function-cast
cast from function call of type %0 to non-matching type %1-Wbitfield-constant-conversion
implicit truncation from %2 to bitfield changes value from %0 to %1-Wbitwise-op-parentheses
'&' within '|'-Wbool-conversion
"initialization of pointer of type %0 to null from a constant boolean " "expression-Wbridge-cast
%0 cannot bridge to %1-Wbridge-cast
%0 bridges to %1, not %2-Wbuiltin-requires-header
declaration of built-in function '%0' requires inclusion of the header stdio.h-Wbuiltin-requires-header
declaration of built-in function '%0' requires inclusion of the header setjmp.h-Wbuiltin-requires-header
declaration of built-in function '%0' requires inclusion of the header ucontext.h-Wc++-compat
%select{|empty }0%select{struct|union}1 has size 0 in C, %select{size 1|non-zero size}2 in C++-Wc++11-compat
explicit instantiation cannot be 'inline'-Wc++11-compat
explicit instantiation of %0 must occur at global scope-Wc++11-compat
explicit instantiation of %0 not in a namespace enclosing %1-Wc++11-compat
explicit instantiation of %q0 must occur in namespace %1-Wc++11-narrowing
constant expression evaluates to %0 which cannot be narrowed to type %1 in C++11-Wc++11-narrowing
type %0 cannot be narrowed to %1 in initializer list in C++11-Wc++11-narrowing
non-constant-expression cannot be narrowed from type %0 to %1 in initializer list in C++11-Wc++98-c++11-compat
type definition in a constexpr %select{function|constructor}0 is incompatible with C++ standards before C++1y-Wc++98-c++11-compat
use of this statement in a constexpr %select{function|constructor}0 is incompatible with C++ standards before C++1y-Wc++98-c++11-compat
init-captures.def warn_cxx11_compat_init_capture : Warning "initialized lambda captures are incompatible with C++ standards " "before C++1y-Wc++98-c++11-compat
variable declaration in a constexpr %select{function|constructor}0 is incompatible with C++ standards before C++1y-Wc++98-c++11-compat
constexpr function with no return statements is incompatible with C++ standards before C++1y-Wc++98-c++11-compat
multiple return statements in constexpr function is incompatible with C++ standards before C++1y-Wc++98-c++11-compat
variable templates are incompatible with C++ standards before C++1y-Wc++98-compat
substitution failure due to access control is incompatible with C++98-Wc++98-compat
%select{anonymous struct|union}0 member %1 with a non-trivial %select{constructor|copy constructor|move constructor|copy assignment operator|move assignment operator|destructor}2 is incompatible with C++98-Wc++98-compat
enumeration type in nested name specifier is incompatible with C++98-Wc++98-compat
static data member %0 in union is incompatible with C++98-Wc++98-compat
default template arguments for a function template are incompatible with C++98-Wc++98-compat
scalar initialized from empty initializer list is incompatible with C++98-Wc++98-compat
befriending %1 without '%select{struct|interface|union|class|enum}0' keyword is incompatible with C++98-Wc++98-compat
use of null pointer as non-type template argument is incompatible with C++98-Wc++98-compat
friend declaration naming a member of the declaring class is incompatible with C++98-Wc++98-compat
non-class friend type %0 is incompatible with C++98-Wc++98-compat
befriending enumeration type %0 is incompatible with C++98-Wc++98-compat
use of non-static data member %0 in an unevaluated context is incompatible with C++98-Wc++98-compat
friend function %0 would be implicitly redefined in C++98-Wc++98-compat
%select{class template|class template partial|variable template|variable template partial|function template|member function|static data member|member class|member enumeration}0 specialization of %1 outside namespace %2 is incompatible with C++98-Wc++98-compat
reference initialized from initializer list is incompatible with C++98-Wc++98-compat
redundant parentheses surrounding address non-type template argument are incompatible with C++98-Wc++98-compat
initialization of initializer_list object is incompatible with C++98-Wc++98-compat
use of 'template' keyword outside of a template is incompatible with C++98-Wc++98-compat
non-type template argument referring to %select{function|object}0 %1 with internal linkage is incompatible with C++98-Wc++98-compat
use of 'typename' outside of a template is incompatible with C++98-Wc++98-compat
passing object of trivial but non-POD type %0 through variadic %select{function|block|method|constructor}1 is incompatible with C++98-Wc++98-compat
goto would jump into protected scope in C++98-Wc++98-compat
constructor call from initializer list is incompatible with C++98-Wc++98-compat
'auto' type specifier is incompatible with C++98-Wc++98-compat
delegating constructors are incompatible with C++98-Wc++98-compat
'constexpr' specifier is incompatible with C++98-Wc++98-compat
inheriting constructors are incompatible with C++98-Wc++98-compat
explicit conversion functions are incompatible with C++98-Wc++98-compat
switch case would be in a protected scope in C++98-Wc++98-compat
'%0' type specifier is incompatible with C++98-Wc++98-compat
indirect goto might cross protected scopes in C++98-Wc++98-compat-pedantic
cast between pointer-to-function and pointer-to-object is incompatible with C++98-Wc++98-compat-pedantic
implicit conversion from array size expression of type %0 to %select{integral|enumeration}1 type %2 is incompatible with C++98-Wcast-align
cast from %0 to %1 increases required alignment from %2 to %3-Wcast-of-sel-type
cast of type %0 to %1 is deprecated use sel_getName instead-Wchar-subscripts
array subscript is of type 'char'-Wconditional-uninitialized
variable %0 may be uninitialized when %select{used here|captured by block}1-Wconstant-logical-operand
use of logical '%0' with constant operand-Wconstexpr-not-const
'constexpr' non-static member function will not be implicitly 'const' in C++1y add 'const' to avoid a change in behavior-Wconsumed
state of variable '%0' must match at the entry and exit of loop-Wconsumed
parameter '%0' not in expected state when the function returns: expected '%1', observed '%2'-Wconsumed
argument not in expected state expected '%0', observed '%1'-Wconsumed
invalid invocation of method '%0' on a temporary object while it is in the '%1' state-Wconsumed
return state set for an unconsumable type '%0'-Wconsumed
consumed analysis attribute is attached to member of class '%0' which isn't marked as consumable-Wconsumed
invalid invocation of method '%0' on object '%1' while it is in the '%2' state-Wconsumed
return value not in expected state expected '%0', observed '%1'-Wconversion
implicit conversion discards imaginary component: %0 to %1-Wconversion
non-type template argument with value '%0' converted to '%1' for unsigned template parameter of type %2-Wconversion
implicit conversion loses floating-point precision: %0 to %1-Wconversion
implicit conversion loses integer precision: %0 to %1-Wconversion
non-type template argument value '%0' truncated to '%1' for template parameter of type %2-Wconversion
implicit conversion turns vector to scalar: %0 to %1-Wconversion
implicit conversion turns floating-point number into integer: %0 to %1-Wcovered-switch-default
default label in switch which covers all enumeration values-Wcustom-atomic-properties
atomic by default property %0 has a user defined %select{getter|setter}1 (property should be marked 'atomic' if this is intended)-Wdangling-field
initializing pointer member %0 with the stack address of parameter %1-Wdangling-field
binding reference %select{|subobject of }1member %0 to a temporary value-Wdangling-field
binding reference member %0 to stack allocated parameter %1-Wdangling-initializer-list
array backing the initializer list will be destroyed at the end of %select{the full-expression|the constructor}0-Wdelete-incomplete
deleting pointer to incomplete type %0 may cause undefined behavior-Wdelete-non-virtual-dtor
delete called on %0 that is abstract but has non-virtual destructor-Wdelete-non-virtual-dtor
delete called on %0 that has virtual functions but non-virtual destructor-Wdeprecated
access declarations are deprecated use using declarations instead-Wdeprecated
definition of implicit copy %select{constructor|assignment operator}1 for %0 is deprecated because it has a user-declared %select{copy %select{assignment operator|constructor}1|destructor}2-Wdeprecated
dynamic exception specifications are deprecated-Wdeprecated-increment-bool
incrementing expression of type bool is deprecated-Wdeprecated-objc-isa-usage
assignment to Objective-C's isa is deprecated in favor of object_setClass()-Wdeprecated-objc-isa-usage
direct access to Objective-C's isa is deprecated in favor of object_getClass()-Wdeprecated-objc-pointer-introspection
bitmasking for introspection of Objective-C object pointers is strongly discouraged-Wdeprecated-objc-pointer-introspection-performSelector
warn_objc_pointer_masking.Text-Wdeprecated-writable-strings
dummy warning to enable -fconst-strings-Wdirect-ivar-access
instance variable %0 is being directly accessed-Wdistributed-object-modifiers
conflicting distributed object modifiers on return type in implementation of %0-Wdistributed-object-modifiers
conflicting distributed object modifiers on parameter type in implementation of %0-Wdivision-by-zero
division by zero is undefined-Wdivision-by-zero
remainder by zero is undefined-Wdocumentation
parameter '%0' not found in the function declaration-Wdocumentation
not a Doxygen trailing comment-Wduplicate-enum
element %0 has been implicitly assigned %1 which another element has been assigned-Wduplicate-method-match
multiple declarations of method %0 found and ignored-Wdynamic-class-memaccess
%select{destination for|source of|first operand of|second operand of}0 this %1 call is a pointer to dynamic class %2 vtable pointer will be %select{overwritten|copied|moved|compared}3-Wempty-body
switch statement has empty body-Wempty-body
for loop has empty body-Wempty-body
if statement has empty body-Wempty-body
range-based for loop has empty body-Wempty-body
while loop has empty body-Wenum-compare
comparison of two values with different enumeration types%diff{ ($ and $)|}0,1-Wenum-conversion
implicit conversion from enumeration type %0 to different enumeration type %1-Wexit-time-destructors
declaration requires an exit-time destructor-Wexplicit-ownership-type
method parameter of type %0 with no explicit ownership-Wextern-c-compat
%select{|empty }0%select{struct|union}1 has size 0 in C, %select{size 1|non-zero size}2 in C++-Wextern-initializer
'extern' variable has an initializer-Wfloat-equal
comparing floating point with == or != is unsafe-Wformat
"data argument position '%0' exceeds the number of data arguments (%1)-Wformat
position arguments in format strings start counting at 1 (not 0)-Wformat
invalid position specified for %select{field width|field precision}0-Wformat
cannot mix positional and non-positional arguments in format string-Wformat
values of type '%0' should not be used as format arguments add an explicit cast to %1 instead-Wformat
format specifies type %0 but the argument has type %1-Wformat
zero field width in scanf format string is unused-Wformat
no closing ']' for '%%[' in scanf format string-Wformat
format string should not be a wide string-Wformat
format string contains '\\0' within the string body-Wformat
'%select{*|.*}0' specified field %select{width|precision}0 is missing a matching 'int' argument-Wformat
field %select{width|precision}0 should have type %1, but argument has type %2-Wformat
%select{field width|precision}0 used with '%1' conversion specifier, resulting in undefined behavior-Wformat
format string missing-Wformat
incomplete format specifier-Wformat
flag '%0' results in undefined behavior with '%1' conversion specifier-Wformat
flag '%0' is ignored when flag '%1' is present-Wformat
more '%%' conversions than data arguments-Wformat
length modifier '%0' results in undefined behavior or no effect with '%1' conversion specifier-Wformat-extra-args
data argument not used by format string-Wformat-invalid-specifier
invalid conversion specifier '%0'-Wformat-nonliteral
format string is not a string literal-Wformat-security
format string is not a string literal (potentially insecure)-Wformat-zero-length
format string is empty-Wgcc-compat
GCC does not allow the 'cleanup' attribute argument to be anything other than a simple identifier-Wglobal-constructors
declaration requires a global constructor-Wglobal-constructors
declaration requires a global destructor-Wgnu-conditional-omitted-operand
use of GNU ?: conditional expression extension, omitting middle operand-Wheader-hygiene
using namespace directive in global context in header-Widiomatic-parentheses
using the result of an assignment as a condition without parentheses-Wignored-attributes
'malloc' attribute only applies to functions returning a pointer type-Wignored-attributes
%0 attribute only applies to %select{functions|unions|variables and functions|functions and methods|parameters|functions, methods and blocks|functions, methods, and classes|functions, methods, and parameters|classes|variables|methods|variables, functions and labels|fields and global variables|structs|variables, functions and tag types|thread-local variables|variables and fields|variables, data members and tag types|types and namespaces|Objective-C interfaces}1-Wignored-attributes
'%0' attribute cannot be specified on a definition-Wignored-attributes
__weak attribute cannot be specified on an automatic variable when ARC is not enabled-Wignored-attributes
Objective-C GC does not allow weak variables on the stack-Wignored-attributes
__weak attribute cannot be specified on a field declaration-Wignored-attributes
attribute %0 cannot be applied to %select{functions|Objective-C method}1 without return value-Wignored-attributes
attribute declaration must precede definition-Wignored-attributes
attribute %0 is ignored, place it after \"%select{class|struct|union|interface|enum}1\" to apply attribute to type declaration-Wignored-attributes
__declspec attribute %0 is not supported-Wignored-attributes
attribute %0 ignored, because it cannot be applied to a type-Wignored-attributes
attribute %0 after definition is ignored-Wignored-attributes
%0 attribute ignored-Wignored-attributes
'sentinel' attribute only supported for variadic %select{functions|blocks}0-Wignored-attributes
'sentinel' attribute requires named arguments-Wignored-attributes
'%0' only applies to %select{function|pointer|Objective-C object or block pointer}1 types type here is %2-Wignored-attributes
'nonnull' attribute applied to function with no pointer arguments-Wignored-attributes
%0 attribute can only be applied to instance variables or properties-Wignored-attributes
unknown visibility %0-Wignored-attributes
%0 calling convention ignored on variadic function-Wignored-attributes
%0 only applies to variables with static storage duration and functions-Wignored-attributes
ibaction attribute can only be applied to Objective-C instance methods-Wignored-attributes
#pramga ms_struct can not be used with dynamic classes or structures-Wignored-attributes
transparent union definition must contain at least one field transparent_union attribute ignored-Wignored-attributes
first field of a transparent union cannot have %select{floating point|vector}0 type %1 transparent_union attribute ignored-Wignored-attributes
'gnu_inline' attribute requires function to be marked 'inline', attribute ignored-Wignored-attributes
calling convention %0 ignored for this target-Wignored-attributes
transparent_union attribute can only be applied to a union definition attribute ignored-Wignored-attributes
%select{alignment|size}0 of field %1 (%2 bits) does not match the %select{alignment|size}0 of the first field in transparent union transparent_union attribute ignored-Wignored-attributes
attribute %0 is already applied-Wignored-attributes
%0 attribute ignored for field of type %1-Wignored-attributes
%0 attribute ignored when parsing type-Wignored-attributes
%0 attribute only applies to %select{functions|methods|properties}1 that return %select{an Objective-C object|a pointer|a non-retainable pointer}2-Wignored-attributes
%0 attribute only applies to %select{Objective-C object|pointer}1 parameters-Wignored-attributes
attribute %0 is already applied with different parameters-Wignored-attributes
%0 attribute argument not supported: %1-Wignored-qualifiers
"'%0' type qualifier%s1 on return type %plural{1:has|:have}1 no effect-Wignored-qualifiers
ARC %select{unused|__unsafe_unretained|__strong|__weak|__autoreleasing}0 lifetime qualifier on return type is ignored-Wimplicit-atomic-properties
property is assumed atomic by default-Wimplicit-atomic-properties
property is assumed atomic when auto-synthesizing the property-Wimplicit-fallthrough
fallthrough annotation in unreachable code-Wimplicit-fallthrough
unannotated fall-through between switch labels-Wimplicit-fallthrough
fallthrough annotation does not directly precede switch label-Wimplicit-function-declaration
implicit declaration of function %0-Wimplicit-function-declaration
use of unknown builtin %0-Wimplicit-retain-self
"block implicitly retains 'self' explicitly mention 'self' to indicate this is intended behavior-Wincompatible-library-redeclaration
incompatible redeclaration of library function %0-Wincomplete-implementation
method definition for %0 not found-Winherited-variadic-ctor
inheriting constructor does not inherit ellipsis-Winitializer-overrides
subobject initialization overrides initialization of other fields within its enclosing subobject-Winitializer-overrides
initializer overrides prior initialization of this subobject-Wint-to-pointer-cast
cast to %1 from smaller integer type %0-Wint-to-void-pointer-cast
cast to %1 from smaller integer type %0-Winvalid-iboutlet
IBOutletCollection properties should be copy/strong and not assign-Winvalid-iboutlet
%select{instance variable|property}2 with %0 attribute must be an object type (invalid %1)-Winvalid-noreturn
function %0 declared 'noreturn' should not return-Winvalid-noreturn
function declared 'noreturn' should not return-Wlarge-by-value-copy
return value of %0 is a large (%1 bytes) pass-by-value object pass it by reference instead ?-Wlarge-by-value-copy
%0 is a large (%1 bytes) pass-by-value argument pass it by reference instead ?-Wliteral-conversion
implicit conversion from %0 to %1 changes value from %2 to %3-Wliteral-range
magnitude of floating-point constant too large for type %0 maximum is %1-Wliteral-range
magnitude of floating-point constant too small for type %0 minimum is %1-Wlogical-not-parentheses
logical not is only applied to the left hand side of this comparison-Wlogical-op-parentheses
'&&' within '||'-Wloop-analysis
variable%select{s| %1|s %1 and %2|s %1, %2, and %3|s %1, %2, %3, and %4}0 used in loop condition not modified in loop body-Wloop-analysis
variable %0 is %select{decremented|incremented}1 both in the loop header and in the loop body-Wmethod-signatures
conflicting parameter types in implementation of %0: %1 vs %2-Wmethod-signatures
conflicting return type in implementation of %0: %1 vs %2-Wmicrosoft
extra qualification on member %0-Wmismatched-method-attributes
attributes on method implementation and its declaration must match-Wmismatched-parameter-types
conflicting parameter types in implementation of %0%diff{: $ vs $|}1,2-Wmismatched-return-types
conflicting return type in implementation of %0%diff{: $ vs $|}1,2-Wmissing-braces
suggest braces around initialization of subobject-Wmissing-declarations
'%0' ignored on this declaration-Wmissing-field-initializers
missing field '%0' initializer-Wmissing-method-return-type
method has no return type specified defaults to 'id'-Wmissing-noreturn
block could be declared with attribute 'noreturn'-Wmissing-noreturn
%select{function|method}0 %1 could be declared with attribute 'noreturn'-Wmissing-prototypes
no previous prototype for function %0-Wmissing-variable-declarations
no previous extern declaration for non-static variable %0-Wmultiple-move-vbase
defaulted move assignment operator of %0 will move assign virtual base class %1 multiple times-Wnested-anon-types
anonymous types declared in an anonymous union/struct are an extension-Wnon-literal-null-conversion
"expression which evaluates to zero treated as a null pointer constant of " "type %0-Wnon-pod-varargs
cannot pass object of %select{non-POD|non-trivial}0 type %1 through variadic %select{function|block|method|constructor}2 call will abort at runtime-Wnon-pod-varargs
cannot pass %select{non-POD|non-trivial}0 object of type %1 to variadic %select{function|block|method|constructor}2 expected type from format string was %3-Wnon-pod-varargs
second argument to 'va_arg' is of ARC ownership-qualified type %0-Wnon-pod-varargs
second argument to 'va_arg' is of non-POD type %0-Wnon-virtual-dtor
%0 has virtual functions but non-virtual destructor-Wnonnull
null passed to a callee which requires a non-null argument-Wnull-arithmetic
comparison between NULL and non-pointer %select{(%1 and NULL)|(NULL and %1)}0-Wnull-arithmetic
use of NULL in arithmetic operation-Wnull-dereference
indirection of non-volatile null pointer will be deleted, not trap-Wobjc-autosynthesis-property-ivar-name-match
autosynthesized property %0 will use %select{|synthesized}1 instance variable %2, not existing instance variable %3-Wobjc-forward-class-redefinition
redefinition of forward class %0 of a typedef name of an object type is ignored-Wobjc-interface-ivars
declaration of instance variables in the interface is deprecated-Wobjc-literal-compare
direct comparison of %select{an array literal|a dictionary literal|a numeric literal|a boxed expression|}0 has undefined behavior-Wobjc-literal-missing-atsign
string literal must be prefixed by '@'-Wobjc-method-access
class method %objcclass0 not found (return type defaults to 'id')-Wobjc-method-access
instance method %objcinstance0 not found (return type defaults to 'id')-Wobjc-method-access
instance method %0 is being used on 'Class' which is not in the root class-Wobjc-method-access
instance method %0 found instead of class method %1-Wobjc-method-access
class method %objcclass0 not found (return type defaults to 'id') did you mean %objcclass2?-Wobjc-method-access
instance method %objcinstance0 not found (return type defaults to 'id') did you mean %objcinstance2?-Wobjc-missing-property-synthesis
"auto property synthesis is synthesizing property not explicitly synthesized-Wobjc-missing-super-calls
method possibly missing a [super %0] call-Wobjc-noncopy-retain-block-property
"retain'ed block property does not copy the block " "- use copy attribute instead-Wobjc-nonunified-exceptions
can not catch an exception thrown with @throw in C++ in the non-unified exception model-Wobjc-property-implementation
property %0 requires method %1 to be defined - use @synthesize, @dynamic or provide a method implementation in this class implementation-Wobjc-property-implementation
property %0 requires method %1 to be defined - use @dynamic or provide a method implementation in this category-Wobjc-property-implicit-mismatch
"primary property declaration is implicitly strong while redeclaration in class extension is weak-Wobjc-property-matches-cocoa-ownership-rule
property's synthesized getter follows Cocoa naming convention for returning 'owned' objects-Wobjc-property-no-attribute
no 'assign', 'retain', or 'copy' attribute is specified - 'assign' is assumed-Wobjc-property-no-attribute
default property attribute 'assign' not appropriate for non-GC object-Wobjc-property-synthesis
"auto property synthesis will not synthesize property '%0' because it cannot share an ivar with another synthesized property-Wobjc-property-synthesis
auto property synthesis will not synthesize property '%0' because it is 'readwrite' but it will be synthesized 'readonly' via another property-Wobjc-protocol-method-implementation
category is implementing a method which will also be implemented by its primary class-Wobjc-protocol-property-synthesis
auto property synthesis will not synthesize property declared in a protocol-Wobjc-redundant-literal-use
using %0 with a literal is redundant-Wobjc-root-class
class %0 defined without specifying a base class-Wobjc-string-compare
direct comparison of a string literal has undefined behavior-Wobjc-string-concatenation
concatenated NSString literal for an NSArray expression - possibly missing a comma-Wover-aligned
type %0 requires %1 bytes of alignment and the default allocator only guarantees %2 bytes-Woverloaded-shift-op-parentheses
overloaded operator %select{|}0 has lower precedence than comparison operator-Woverloaded-virtual
%q0 hides overloaded virtual %select{function|functions}1-Woverriding-method-mismatch
conflicting distributed object modifiers on parameter type in declaration of %0-Woverriding-method-mismatch
conflicting parameter types in declaration of %0: %1 vs %2-Woverriding-method-mismatch
conflicting variadic declaration of method and its implementation-Woverriding-method-mismatch
conflicting return type in declaration of %0: %1 vs %2-Woverriding-method-mismatch
conflicting distributed object modifiers on return type in declaration of %0-Woverriding-method-mismatch
conflicting return type in declaration of %0%diff{: $ vs $|}1,2-Woverriding-method-mismatch
conflicting parameter types in declaration of %0%diff{: $ vs $|}1,2-Wpacked
packed attribute is unnecessary for %0-Wpadded
padding size of %0 with %1 %select{byte|bit}2%select{|s}3 to alignment boundary-Wpadded
padding %select{struct|interface|class}0 %1 with %2 %select{byte|bit}3%select{|s}4 to align %5-Wpadded
padding %select{struct|interface|class}0 %1 with %2 %select{byte|bit}3%select{|s}4 to align anonymous bit-field-Wparentheses
%0 has lower precedence than %1 %1 will be evaluated first-Wparentheses
using the result of an assignment as a condition without parentheses-Wparentheses
operator '?:' has lower precedence than '%0' '%0' will be evaluated first-Wparentheses-equality
equality comparison with extraneous parentheses-Wpointer-arith
subtraction of pointers to type %0 of zero size has undefined behavior-Wpredefined-identifier-outside-function
predefined identifier is only valid inside function-Wprivate-extern
use of __private_extern__ on a declaration may not produce external symbol private to the linkage unit and is deprecated-Wprotocol
method %0 in protocol not implemented-Wprotocol-property-synthesis-ambiguity
property of type %0 was selected for synthesis-Wreadonly-iboutlet-property
readonly IBOutlet property '%0' when auto-synthesized may not work correctly with 'nib' loader-Wreadonly-setter-attrs
property attributes '%0' and '%1' are mutually exclusive-Wreceiver-expr
receiver type %0 is not 'id' or interface pointer, consider casting it to 'id'-Wreceiver-forward-class
receiver type %0 for instance message is a forward declaration-Wreceiver-is-weak
"weak %select{receiver|property|implicit property}0 may be unpredictably set to nil-Wreinterpret-base-class
'reinterpret_cast' %select{from|to}3 class %0 %select{to|from}3 its %select{virtual base|base at non-zero offset}2 %1 behaves differently from 'static_cast'-Wreorder
%select{field|base class}0 %1 will be initialized after %select{field|base}2 %3-Wrequires-super-attribute
%0 attribute cannot be applied to %select{methods in protocols|dealloc}1-Wreturn-stack-address
returning address of label, which is local-Wreturn-stack-address
returning reference to local temporary object-Wreturn-stack-address
address of stack memory associated with local variable %0 returned-Wreturn-stack-address
returning address of local temporary object-Wreturn-stack-address
reference to stack memory associated with local variable %0 returned-Wreturn-type
non-void %select{function|method}1 %0 should return a value, DefaultError-Wreturn-type
control may reach end of non-void function-Wreturn-type
control reaches end of non-void function-Wreturn-type-c-linkage
%0 has C-linkage specified, but returns user-defined type %1 which is incompatible with C-Wreturn-type-c-linkage
%0 has C-linkage specified, but returns incomplete type %1 which could be incompatible with C-Wsection
section does not match previous declaration-Wselector
creating selector for nonexistent method %0-Wselector-type-mismatch
multiple selectors named %0 found-Wself-assign
explicitly assigning a variable of type %0 to itself-Wself-assign-field
assigning %select{field|instance variable}0 to itself-Wsentinel
not enough variable arguments in %0 declaration to fit a sentinel-Wsentinel
"missing sentinel in %select{function call|method dispatch|block call}0-Wshadow
declaration shadows a %select{" "local variable|" "variable in %2|" "static data member of %2|" "field of %2}1-Wshadow-ivar
local declaration of %0 hides instance variable-Wshift-count-negative
shift count is negative-Wshift-count-overflow
shift count = width of type-Wshift-op-parentheses
operator '%0' has lower precedence than '%1' '%1' will be evaluated first-Wshift-overflow
signed shift result (%0) requires %1 bits to represent, but %2 only has %3 bits-Wshift-sign-overflow
signed shift result (%0) sets the sign bit of the shift expression's type (%1) and becomes negative-Wshorten-64-to-32
implicit conversion loses integer precision: %0 to %1-Wsign-compare
comparison of integers of different signs: %0 and %1-Wsign-conversion
implicit conversion changes signedness: %0 to %1-Wsign-conversion
operand of ? changes signedness: %0 to %1-Wsizeof-array-argument
sizeof on array function parameter will return size of %0 instead of %1-Wsizeof-array-decay
sizeof on pointer operation will return size of %0 instead of %1-Wsizeof-pointer-memaccess
'%0' call operates on objects of type %1 while the size is based on a " "different type %2-Wsizeof-pointer-memaccess
argument to 'sizeof' in %0 call is the same pointer type %1 as the %select{destination|source}2 expected %3 or an explicit length-Wsometimes-uninitialized
variable %0 is %select{used|captured}1 uninitialized whenever %select{'%3' condition is %select{true|false}4|'%3' loop %select{is entered|exits because its condition is false}4|'%3' loop %select{condition is true|exits because its condition is false}4|switch %3 is taken|its declaration is reached|%3 is called}2-Wstatic-local-in-inline
non-constant static local variable in inline function may be different in different files-Wstatic-self-init
static variable %0 is suspiciously used within its own initialization-Wstrict-selector-match
multiple methods named %0 found-Wstring-compare
result of comparison against %select{a string literal|@encode}0 is unspecified (use strncmp instead)-Wstring-conversion
implicit conversion turns string literal into bool: %0 to %1-Wstring-plus-char
adding %0 to a string pointer does not append to the string-Wstring-plus-int
adding %0 to a string does not append to the string-Wstrlcpy-strlcat-size
size argument in %0 call appears to be size of the source expected the size of the destination-Wstrncat-size
the value of the size argument to 'strncat' is wrong-Wstrncat-size
the value of the size argument in 'strncat' is too large, might lead to a " "buffer overflow-Wstrncat-size
size argument in 'strncat' call appears " "to be size of the source-Wsuper-class-method-mismatch
method parameter type %diff{$ does not match super class method parameter type $|does not match super class method parameter type}0,1-Wswitch
enumeration value %0 not handled in switch-Wswitch
overflow converting case value to switch condition type (%0 to %1)-Wswitch
enumeration values %0 and %1 not handled in switch-Wswitch
case value not in enumerated type %0-Wswitch
enumeration values %0, %1, and %2 not handled in switch-Wswitch
%0 enumeration values not handled in switch: %1, %2, %3...-Wswitch-enum
enumeration value %0 not explicitly handled in switch-Wswitch-enum
%0 enumeration values not explicitly handled in switch: %1, %2, %3...-Wswitch-enum
enumeration values %0 and %1 not explicitly handled in switch-Wswitch-enum
enumeration values %0, %1, and %2 not explicitly handled in switch-Wtautological-compare
%select{self-|array }0comparison always evaluates to %select{false|true|a constant}1-Wtautological-compare
comparison of unsigned%select{| enum}2 expression %0 is always %1-Wtautological-compare
comparison of %0 unsigned%select{| enum}2 expression is always %1-Wtautological-constant-out-of-range-compare
comparison of constant %0 with expression of type %1 is always %select{false|true}2-Wthread-safety-analysis
expecting mutex '%0' to be locked at the end of function-Wthread-safety-analysis
%select{reading|writing}1 the value pointed to by '%0' requires locking %select{any mutex|any mutex exclusively}1-Wthread-safety-analysis
unlocking '%0' that was not locked-Wthread-safety-analysis
mutex '%0' is locked exclusively and shared in the same scope-Wthread-safety-analysis
expecting mutex '%0' to be locked at start of each loop-Wthread-safety-analysis
%select{reading|writing}2 variable '%0' requires locking %select{'%1'|'%1' exclusively}2-Wthread-safety-analysis
%select{reading|writing}2 the value pointed to by '%0' requires locking %select{'%1'|'%1' exclusively}2-Wthread-safety-analysis
calling function '%0' requires %select{shared|exclusive}2 lock on '%1'-Wthread-safety-analysis
locking '%0' that is already locked-Wthread-safety-analysis
cannot resolve lock expression-Wthread-safety-analysis
cannot call function '%0' while mutex '%1' is locked-Wthread-safety-analysis
mutex '%0' is still locked at the end of function-Wthread-safety-analysis
mutex '%0' is not locked on every path through here-Wthread-safety-analysis
%select{reading|writing}1 variable '%0' requires locking %select{any mutex|any mutex exclusively}1-Wthread-safety-attributes
%0 attribute only applies to %select{fields and global variables|functions and methods|classes and structs}1-Wthread-safety-attributes
'%0' only applies to pointer types type here is %1-Wthread-safety-attributes
%0 attribute can only be applied in a context annotated with 'lockable' attribute-Wthread-safety-attributes
ignoring %0 attribute because its argument is invalid-Wthread-safety-attributes
%0 attribute requires arguments whose type is annotated with 'lockable' attribute type here is '%1'-Wthread-safety-attributes
%0 attribute requires arguments that are class type or point to class type type here is '%1'-Wthread-safety-beta
Thread safety beta warning.-Wthread-safety-precise
calling function '%0' requires %select{shared|exclusive}2 lock on '%1'-Wthread-safety-precise
%select{reading|writing}2 the value pointed to by '%0' requires locking %select{'%1'|'%1' exclusively}2-Wthread-safety-precise
%select{reading|writing}2 variable '%0' requires locking %select{'%1'|'%1' exclusively}2-Wtype-safety
argument type %0 doesn't match specified '%1' type tag %select{that requires %3|}2-Wtype-safety
specified %0 type tag requires a null pointer-Wtype-safety
this type tag was not designed to be used with this function-Wundeclared-selector
undeclared selector %0 did you mean %1?-Wundeclared-selector
undeclared selector %0-Wundefined-inline
inline function %q0 is not defined-Wundefined-internal
%select{function|variable}0 %q1 has internal linkage but is not defined-Wundefined-reinterpret-cast
reinterpret_cast from %0 to %1 has undefined behavior-Wundefined-reinterpret-cast
dereference of type %1 that was reinterpret_cast from type %0 has undefined behavior-Wuninitialized
reference %0 is not yet bound to a value when used within its own initialization-Wuninitialized
block pointer variable %0 is uninitialized when captured by block-Wuninitialized
field %0 is uninitialized when used here-Wuninitialized
reference %0 is not yet bound to a value when used here-Wuninitialized
variable %0 is uninitialized when %select{used here|captured by block}1-Wuninitialized
variable %0 is uninitialized when used within its own initialization-Wunneeded-internal-declaration
'static' function %0 declared in header file should be declared 'static inline'-Wunneeded-internal-declaration
%select{function|variable}0 %1 is not needed and will not be emitted-Wunneeded-member-function
member function %0 is not needed and will not be emitted-Wunreachable-code
will never be executed-Wunsequenced
multiple unsequenced modifications to %0-Wunsequenced
unsequenced modification and access to %0-Wunsupported-friend
dependent nested name specifier '%0' for friend class declaration is not supported turning off access control for %1-Wunsupported-friend
dependent nested name specifier '%0' for friend template declaration is not supported ignoring this friend declaration-Wunsupported-visibility
target does not support 'protected' visibility using 'default'-Wunused-comparison
%select{equality|inequality}0 comparison result unused-Wunused-const-variable
unused variable %0-Wunused-exception-parameter
unused exception parameter %0-Wunused-function
unused function %0-Wunused-label
unused label %0-Wunused-member-function
unused member function %0-Wunused-parameter
unused parameter %0-Wunused-private-field
private field %0 is not used-Wunused-property-ivar
ivar %0 which backs the property is not referenced in this property's accessor-Wunused-result
ignoring return value of function declared with warn_unused_result attribute-Wunused-value
expression result unused should this cast be to 'void'?-Wunused-value
expression result unused-Wunused-value
ignoring return value of function declared with %0 attribute-Wunused-variable
unused variable %0-Wunused-volatile-lvalue
expression result unused assign into a variable to force a volatile load-Wused-but-marked-unused
%0 was marked unused but was used-Wuser-defined-literals
user-defined literal suffixes not starting with '_' are reserved%select{ no literal will invoke this operator|}0-Wvarargs
second argument to 'va_arg' is of promotable type %0 this va_arg has undefined behavior because arguments will be promoted to %1-Wvarargs
'va_start' has undefined behavior with reference types-Wvarargs
second parameter of 'va_start' not last named argument-Wvector-conversion
incompatible vector types %select{%diff{assigning to $ from $|assigning to different types}0,1|%diff{passing $ to parameter of type $|passing to parameter of different type}0,1|%diff{returning $ from a function with result type $|returning from function with different return type}0,1|%diff{converting $ to type $|converting between types}0,1|%diff{initializing $ with an expression of type $|initializing with expression of different type}0,1|%diff{sending $ to parameter of type $|sending to parameter of different type}0,1|%diff{casting $ to type $|casting between types}0,1}2-Wvexing-parse
empty parentheses interpreted as a function declaration-Wvexing-parse
parentheses were disambiguated as a function declaration-Wvisibility
declaration of %0 will not be visible outside of this function-Wvisibility
redefinition of %0 will not be visible outside of this function-Wvla
variable length array used-Wvla-extension
variable length arrays are a C99 feature-Wweak-template-vtables
explicit template instantiation %0 will emit a vtable in every translation unit-Wweak-vtables
%0 has no out-of-line virtual method definitions; its vtable will be emitted in every translation unit
Lexer Warnings
%0-W#warnings
%0-W#warnings
%0-Wambiguous-macro
ambiguous expansion of macro %0-Wauto-import
treating #%select{include|import|include_next|__include_macros}0 as an import of module '%1'-Wbackslash-newline-escape
backslash and newline separated by space-Wc++11-compat
identifier after literal will be treated as a user-defined literal suffix in C++11-Wc++11-compat
'%0' is a keyword in C++11-Wc++98-c++11-compat
digit separators are incompatible with C++ standards before C++1y-Wc++98-c++11-compat-pedantic
binary integer literals are incompatible with C++ standards before C++1y-Wc++98-compat
raw string literals are incompatible with C++98-Wc++98-compat
unicode literals are incompatible with C++98-Wc++98-compat
universal character name referring to a control character is incompatible with C++98-Wc++98-compat
'::' is treated as digraph ':' (aka '[') followed by ':' in C++98-Wc++98-compat
using this character in an identifier is incompatible with C++98-Wc++98-compat
specifying character '%0' with a universal character name is incompatible with C++98-Wc++98-compat-pedantic
variadic macros are incompatible with C++98-Wc++98-compat-pedantic
#line number greater than 32767 is incompatible with C++98-Wc++98-compat-pedantic
C++98 requires newline at end of file-Wc++98-compat-pedantic
empty macro arguments are incompatible with C++98-Wc99-compat
unicode literals are incompatible with C99-Wc99-compat
%select{using this character in an identifier|starting an identifier with this character}0 is incompatible with C99-Wcomment
'/*' within block comment-Wcomment
escaped newline between */ characters at block comment end-Wdisabled-macro-expansion
disabled expansion of recursive macro-Wheader-guard
%0 is used as a header guard here, followed by #define of a different macro-Wignored-attributes
unknown attribute '%0'-Wincomplete-module
header '%0' is included in module '%1' but not listed in module map-Wincomplete-umbrella
umbrella header for module '%0' does not include header '%1'-Winvalid-token-paste
pasting formed '%0', an invalid preprocessing token, DefaultError-Wmalformed-warning-check
__has_warning expected option name (e.g. \"-Wundef\")-Wnewline-eof
no newline at end of file-Wnull-character
null character ignored-Wnull-character
null character(s) preserved in string literal-Wnull-character
null character(s) preserved in character literal-Wtrigraphs
ignored trigraph would end block comment-Wtrigraphs
trigraph ignored-Wundef
%0 is not defined, evaluates to 0-Wunicode
universal character names are only valid in C99 or C++ treating as '\\' followed by identifier-Wunicode
\\%0 used with no following hex digits treating as '\\' followed by identifier-Wunicode
incomplete universal character name treating as '\\' followed by identifier-Wunicode
universal character name refers to a surrogate character-Wunknown-pragmas
unknown pragma ignored-Wunknown-pragmas
pragma STDC FENV_ACCESS ON is not supported, ignoring pragma-Wunused-macros
macro is not used
Parser Warnings
'%0' casts have no effect when not using ARC-Wattributes
unknown __declspec attribute %0 ignored-Wavailability
'unavailable' availability overrides all other availability information-Wc++11-compat
use of right-shift operator ('') in template argument will require parentheses in C++11-Wc++11-compat
'auto' storage class specifier is redundant and incompatible with C++11-Wc++98-c++11-compat
'decltype(auto)' type specifier is incompatible with C++ standards before C++1y-Wc++98-compat
range-based for loop is incompatible with C++98-Wc++98-compat
alias declarations are incompatible with C++98-Wc++98-compat
in-class initialization of non-static data members is incompatible with C++98-Wc++98-compat
defaulted function definitions are incompatible with C++98-Wc++98-compat
rvalue references are incompatible with C++98-Wc++98-compat
reference qualifiers on functions are incompatible with C++98-Wc++98-compat
inline namespaces are incompatible with C++98-Wc++98-compat
generalized initializer lists are incompatible with C++98-Wc++98-compat
trailing return types are incompatible with C++98-Wc++98-compat
enumeration types with a fixed underlying type are incompatible with C++98-Wc++98-compat
alignof expressions are incompatible with C++98-Wc++98-compat
'%0' keyword is incompatible with C++98-Wc++98-compat
'decltype' type specifier is incompatible with C++98-Wc++98-compat
deleted function definitions are incompatible with C++98-Wc++98-compat
consecutive right angle brackets are incompatible with C++98 (use '> >')-Wc++98-compat
static_assert declarations are incompatible with C++98-Wc++98-compat
scoped enumerations are incompatible with C++98-Wc++98-compat
lambda expressions are incompatible with C++98-Wc++98-compat
attributes are incompatible with C++98-Wc++98-compat
'alignas' is incompatible with C++98-Wc++98-compat
noexcept specifications are incompatible with C++98-Wc++98-compat
literal operators are incompatible with C++98-Wc++98-compat
noexcept expressions are incompatible with C++98-Wc++98-compat
'nullptr' is incompatible with C++98-Wc++98-compat-pedantic
extra '' outside of a function is incompatible with C++98-Wc++98-compat-pedantic
extern templates are incompatible with C++98-Wc++98-compat-pedantic
commas at the end of enumerator lists are incompatible with C++98-Wdangling-else
add explicit braces to avoid dangling else-Wdeprecated
Use of 'long' with '__vector' is deprecated-Wdeprecated-declarations
use of C-style parameters in Objective-C method declarations is deprecated-Wdeprecated-register
'register' storage class specifier is deprecated-Wduplicate-decl-specifier
duplicate '%0' declaration specifier-Wextra-semi
extra ';' after member function definition-Wextra-tokens
"extra tokens at the end of '#pragma omp %0' are ignored-Wgcc-compat
GCC does not allow %0 attribute in this position on a function definition-Wignored-attributes
attribute %0 ignored, because it is not attached to a declaration-Wmicrosoft-exists
dependent %select{__if_not_exists|__if_exists}0 declarations are ignored-Wmissing-selector-name
%0 used as the name of the previous parameter rather than as part of the selector-Wsemicolon-before-method-body
semicolon before method body is ignored-Wsource-uses-openmp
"unexpected '#pragma omp ...' in program-Wstatic-inline-explicit-instantiation
ignoring '%select{static|inline}0' keyw
0 0
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