Classes
class	Array
	An Array is a JSON array, which contains heterogeneous JSON values. More...

class	Object
	An Object is a JSON object, which maps strings to heterogenous JSON values. More...

class	ObjectKey
	ObjectKey is a used to capture keys in Object. More...

class	ObjectMapper
	Helper for mapping JSON objects onto protocol structs. More...

class	OStream
	json::OStream allows writing well-formed JSON without materializing all structures as json::Value ahead of time. More...

class	ParseError

class	Path
	A "cursor" marking a position within a Value. More...

class	Value
	A Value is an JSON value of unknown type. More...

Functions
bool	isUTF8 (llvm::StringRef S, size_t *ErrOffset=nullptr)
	Returns true if `S` is valid UTF-8, which is required for use as JSON.

std::string	fixUTF8 (llvm::StringRef S)
	Replaces invalid UTF-8 sequences in `S` with the replacement character (U+FFFD).

template<typename T >
Value	toJSON (const std::optional< T > &Opt)

bool	operator== (const Object &LHS, const Object &RHS)

bool	operator!= (const Object &LHS, const Object &RHS)

bool	operator!= (const Array &L, const Array &R)

bool	operator== (const Value &, const Value &)

bool	operator!= (const Value &L, const Value &R)

bool	operator== (const Array &L, const Array &R)

bool	operator== (const ObjectKey &L, const ObjectKey &R)

bool	operator!= (const ObjectKey &L, const ObjectKey &R)

bool	operator< (const ObjectKey &L, const ObjectKey &R)

std::vector< const Object::value_type * >	sortedElements (const Object &O)

bool	fromJSON (const Value &E, std::string &Out, Path P)

bool	fromJSON (const Value &E, int &Out, Path P)

bool	fromJSON (const Value &E, int64_t &Out, Path P)

bool	fromJSON (const Value &E, double &Out, Path P)

bool	fromJSON (const Value &E, bool &Out, Path P)

bool	fromJSON (const Value &E, uint64_t &Out, Path P)

bool	fromJSON (const Value &E, std::nullptr_t &Out, Path P)

template<typename T >
bool	fromJSON (const Value &E, std::optional< T > &Out, Path P)

template<typename T >
bool	fromJSON (const Value &E, std::vector< T > &Out, Path P)

template<typename T >
bool	fromJSON (const Value &E, std::map< std::string, T > &Out, Path P)

llvm::Expected< Value >	parse (llvm::StringRef JSON)
	Parses the provided JSON source, or returns a ParseError.

template<typename T >
Expected< T >	parse (const llvm::StringRef &JSON, const char *RootName="")
	Version of parse() that converts the parsed value to the type T.

llvm::raw_ostream &	operator<< (llvm::raw_ostream &OS, const Value &V)
	Serializes this Value to JSON, writing it to the provided stream.

static void	abbreviate (const Value &V, OStream &JOS)

static void	abbreviateChildren (const Value &V, OStream &JOS)

static void	encodeUtf8 (uint32_t Rune, std::string &Out)

static void	quote (llvm::raw_ostream &OS, llvm::StringRef S)

Variables
template<typename T >
constexpr bool	is_uint_64_bit_v

Function Documentation

◆ abbreviate()

static void llvm::json::abbreviate	(	const Value &	V,
		OStream &	JOS
	)

static

Definition at line 259 of file JSON.cpp.

References llvm::json::Value::Array, fixUTF8(), llvm::json::Value::Object, llvm::json::OStream::rawValue(), llvm::StringRef::size(), llvm::json::Value::String, llvm::StringRef::take_front(), and llvm::json::OStream::value().

Referenced by abbreviateChildren(), and llvm::json::Path::Root::printErrorContext().

◆ abbreviateChildren()

static void llvm::json::abbreviateChildren	(	const Value &	V,
		OStream &	JOS
	)

static

Definition at line 285 of file JSON.cpp.

References abbreviate(), llvm::json::Value::Array, llvm::json::OStream::array(), I, llvm::json::Value::Object, llvm::json::OStream::object(), sortedElements(), and llvm::json::OStream::value().

Referenced by llvm::json::Path::Root::printErrorContext().

◆ encodeUtf8()

static void llvm::json::encodeUtf8	(	uint32_t	Rune,
		std::string &	Out
	)

static

Definition at line 580 of file JSON.cpp.

References llvm_unreachable.

◆ fixUTF8()

std::string llvm::json::fixUTF8 ( llvm::StringRef S )

Replaces invalid UTF-8 sequences in S with the replacement character (U+FFFD).

The returned string is valid UTF-8. This is much slower than isUTF8, so test that first.

Definition at line 707 of file JSON.cpp.

References llvm::ConvertUTF32toUTF8(), llvm::ConvertUTF8toUTF32(), llvm::StringRef::data(), llvm::lenientConversion, llvm::StringRef::size(), and llvm::strictConversion.

Referenced by abbreviate(), llvm::json::OStream::attributeBegin(), llvm::json::ObjectKey::ObjectKey(), and llvm::json::Value::Value().

◆ fromJSON() [1/10]

bool llvm::json::fromJSON	(	const Value &	E,
		bool &	Out,
		Path	P
	)

inline

Definition at line 763 of file JSON.h.

References E, and P.

◆ fromJSON() [2/10]

bool llvm::json::fromJSON	(	const Value &	E,
		double &	Out,
		Path	P
	)

inline

Definition at line 755 of file JSON.h.

References E, and P.

◆ fromJSON() [3/10]

bool llvm::json::fromJSON	(	const Value &	E,
		int &	Out,
		Path	P
	)

inline

Definition at line 739 of file JSON.h.

References E, and P.

◆ fromJSON() [4/10]

bool llvm::json::fromJSON	(	const Value &	E,
		int64_t &	Out,
		Path	P
	)

inline

Definition at line 747 of file JSON.h.

References E, and P.

◆ fromJSON() [5/10]

template<typename T >

bool llvm::json::fromJSON	(	const Value &	E,
		std::map< std::string, T > &	Out,
		Path	P
	)

Definition at line 813 of file JSON.h.

References E, fromJSON(), and P.

◆ fromJSON() [6/10]

bool llvm::json::fromJSON	(	const Value &	E,
		std::nullptr_t &	Out,
		Path	P
	)

inline

Definition at line 779 of file JSON.h.

References E, and P.

◆ fromJSON() [7/10]

template<typename T >

bool llvm::json::fromJSON	(	const Value &	E,
		std::optional< T > &	Out,
		Path	P
	)

Definition at line 788 of file JSON.h.

References E, fromJSON(), and P.

◆ fromJSON() [8/10]

bool llvm::json::fromJSON	(	const Value &	E,
		std::string &	Out,
		Path	P
	)

inline

Definition at line 731 of file JSON.h.

References E, and P.

Referenced by fromJSON(), llvm::json::ObjectMapper::map(), llvm::json::ObjectMapper::mapOptional(), and parse().

◆ fromJSON() [9/10]

template<typename T >

bool llvm::json::fromJSON	(	const Value &	E,
		std::vector< T > &	Out,
		Path	P
	)

Definition at line 800 of file JSON.h.

References A, E, fromJSON(), I, and P.

◆ fromJSON() [10/10]

bool llvm::json::fromJSON	(	const Value &	E,
		uint64_t &	Out,
		Path	P
	)

inline

Definition at line 771 of file JSON.h.

References E, and P.

◆ isUTF8()

bool llvm::json::isUTF8	(	llvm::StringRef	S,
		size_t *	ErrOffset = `nullptr`
	)

Returns true if S is valid UTF-8, which is required for use as JSON.

If it returns false, Offset is set to a byte offset near the first error.

Definition at line 693 of file JSON.cpp.

References llvm::StringRef::data(), llvm::Data, llvm::isLegalUTF8String(), LLVM_LIKELY, and llvm::StringRef::size().

Referenced by llvm::json::OStream::attributeBegin(), llvm::json::ObjectKey::ObjectKey(), and llvm::json::Value::Value().

◆ operator!=() [1/4]

bool llvm::json::operator!=	(	const Array &	L,
		const Array &	R
	)

inline

Definition at line 209 of file JSON.h.

◆ operator!=() [2/4]

bool llvm::json::operator!=	(	const Object &	LHS,
		const Object &	RHS
	)

inline

Definition at line 158 of file JSON.h.

References LHS, and RHS.

◆ operator!=() [3/4]

bool llvm::json::operator!=	(	const ObjectKey &	L,
		const ObjectKey &	R
	)

inline

Definition at line 624 of file JSON.h.

◆ operator!=() [4/4]

bool llvm::json::operator!=	(	const Value &	L,
		const Value &	R
	)

inline

Definition at line 530 of file JSON.h.

◆ operator<()

bool llvm::json::operator<	(	const ObjectKey &	L,
		const ObjectKey &	R
	)

inline

Definition at line 627 of file JSON.h.

◆ operator<<()

llvm::raw_ostream & llvm::json::operator<<	(	llvm::raw_ostream &	OS,
		const Value &	V
	)

inline

Serializes this Value to JSON, writing it to the provided stream.

The formatting is compact (no extra whitespace) and deterministic. For pretty-printing, use the formatv() format_provider below.

Definition at line 1089 of file JSON.h.

References OS, and llvm::json::OStream::value().

◆ operator==() [1/4]

bool llvm::json::operator==	(	const Array &	L,
		const Array &	R
	)

inline

Definition at line 572 of file JSON.h.

◆ operator==() [2/4]

bool llvm::json::operator==	(	const Object &	LHS,
		const Object &	RHS
	)

Definition at line 87 of file JSON.cpp.

References LHS, llvm::operator==(), and RHS.

◆ operator==() [3/4]

bool llvm::json::operator==	(	const ObjectKey &	L,
		const ObjectKey &	R
	)

inline

Definition at line 621 of file JSON.h.

References llvm::operator==().

◆ operator==() [4/4]

bool llvm::json::operator==	(	const Value &	L,
		const Value &	R
	)

Definition at line 185 of file JSON.cpp.

◆ parse() [1/2]

template<typename T >

Expected< T > llvm::json::parse	(	const llvm::StringRef &	JSON,
		const char *	RootName = `""`
	)

Version of parse() that converts the parsed value to the type T.

RootName describes the root object and is used in error messages.

Definition at line 914 of file JSON.h.

References fromJSON().

◆ parse() [2/2]

Expected< Value > llvm::json::parse ( llvm::StringRef JSON )

Parses the provided JSON source, or returns a ParseError.

The returned Value is self-contained and owns its strings (they do not refer to the original source).

Definition at line 682 of file JSON.cpp.

References E, and P.

◆ quote()

static void llvm::json::quote	(	llvm::raw_ostream &	OS,
		llvm::StringRef	S
	)

static

Definition at line 724 of file JSON.cpp.

References llvm::CallingConv::C, llvm::Lower, OS, and llvm::write_hex().

Referenced by llvm::json::OStream::attributeBegin(), and llvm::json::OStream::value().

◆ sortedElements()

std::vector< const Object::value_type * > llvm::json::sortedElements ( const Object & O )

Definition at line 245 of file JSON.cpp.

References E, and llvm::sort().

Referenced by abbreviateChildren(), llvm::json::Path::Root::printErrorContext(), and llvm::json::OStream::value().

◆ toJSON()

template<typename T >

Value llvm::json::toJSON ( const std::optional< T > & Opt )

Definition at line 827 of file JSON.h.

Variable Documentation

◆ is_uint_64_bit_v

template<typename T >

constexpr bool llvm::json::is_uint_64_bit_v

constexpr

Initial value:

=
    std::is_integral_v<T> && std::is_unsigned_v<T> &&
    sizeof(T) == sizeof(uint64_t)

Definition at line 79 of file JSON.h.

Classes

Functions

Variables

Function Documentation

◆ abbreviate()

◆ abbreviateChildren()

◆ encodeUtf8()

◆ fixUTF8()

◆ fromJSON() [1/10]

◆ fromJSON() [2/10]

◆ fromJSON() [3/10]

◆ fromJSON() [4/10]

◆ fromJSON() [5/10]

◆ fromJSON() [6/10]

◆ fromJSON() [7/10]

◆ fromJSON() [8/10]

◆ fromJSON() [9/10]

◆ fromJSON() [10/10]

◆ isUTF8()

◆ operator!=() [1/4]

◆ operator!=() [2/4]

◆ operator!=() [3/4]

◆ operator!=() [4/4]

◆ operator<()

◆ operator<<()

◆ operator==() [1/4]

◆ operator==() [2/4]

◆ operator==() [3/4]

◆ operator==() [4/4]

◆ parse() [1/2]

◆ parse() [2/2]

◆ quote()

◆ sortedElements()

◆ toJSON()

Variable Documentation

◆ is_uint_64_bit_v