LLVM  14.0.0git
Classes | Functions
llvm::json Namespace Reference

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. More...
 
std::string fixUTF8 (llvm::StringRef S)
 Replaces invalid UTF-8 sequences in S with the replacement character (U+FFFD). More...
 
template<typename T >
Value toJSON (const llvm::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 ObjectKey &L, const ObjectKey &R)
 
bool operator!= (const ObjectKey &L, const ObjectKey &R)
 
bool operator< (const ObjectKey &L, const ObjectKey &R)
 
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, llvm::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< Valueparse (llvm::StringRef JSON)
 Parses the provided JSON source, or returns a ParseError. More...
 
template<typename T >
Expected< Tparse (const llvm::StringRef &JSON, const char *RootName="")
 Version of parse() that converts the parsed value to the type T. More...
 
llvm::raw_ostreamoperator<< (llvm::raw_ostream &OS, const Value &V)
 Serializes this Value to JSON, writing it to the provided stream. More...
 
static void quote (llvm::raw_ostream &OS, llvm::StringRef S)
 

Function Documentation

◆ 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 695 of file JSON.cpp.

References llvm::ConvertUTF32toUTF8(), llvm::ConvertUTF8toUTF32(), llvm::lenientConversion, S, and llvm::strictConversion.

Referenced by 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 704 of file JSON.h.

References E, P, and S.

◆ fromJSON() [2/10]

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

Definition at line 696 of file JSON.h.

References E, P, and S.

◆ fromJSON() [3/10]

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

Definition at line 680 of file JSON.h.

References E, P, and S.

◆ fromJSON() [4/10]

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

Definition at line 688 of file JSON.h.

References E, P, and S.

◆ fromJSON() [5/10]

template<typename T >
bool llvm::json::fromJSON ( const Value E,
llvm::Optional< T > &  Out,
Path  P 
)

Definition at line 729 of file JSON.h.

References E, fromJSON(), move, llvm::None, P, and T.

◆ fromJSON() [6/10]

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

Definition at line 754 of file JSON.h.

References E, fromJSON(), llvm::RISCVFenceField::O, and P.

◆ fromJSON() [7/10]

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

Definition at line 720 of file JSON.h.

References E, P, and S.

◆ fromJSON() [8/10]

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

Definition at line 672 of file JSON.h.

References E, P, and S.

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 741 of file JSON.h.

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

◆ fromJSON() [10/10]

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

Definition at line 712 of file JSON.h.

References E, P, and S.

◆ 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 681 of file JSON.cpp.

References llvm::Data, llvm::isLegalUTF8String(), LLVM_LIKELY, and S.

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 210 of file JSON.h.

◆ operator!=() [2/4]

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

Definition at line 150 of file JSON.h.

◆ operator!=() [3/4]

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

Definition at line 567 of file JSON.h.

◆ operator!=() [4/4]

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

Definition at line 515 of file JSON.h.

References llvm::RISCVFenceField::R.

◆ operator<()

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

Definition at line 570 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 1030 of file JSON.h.

References llvm::json::OStream::value().

◆ operator==() [1/3]

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

◆ operator==() [2/3]

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

Definition at line 564 of file JSON.h.

◆ operator==() [3/3]

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

◆ 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 855 of file JSON.h.

References fromJSON(), move, parse(), and T.

◆ 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 670 of file JSON.cpp.

References E, move, and P.

Referenced by parse().

◆ quote()

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

Definition at line 712 of file JSON.cpp.

References llvm::Lower, S, and llvm::write_hex().

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

◆ toJSON()

template<typename T >
Value llvm::json::toJSON ( const llvm::Optional< T > &  Opt)

Definition at line 768 of file JSON.h.