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Showing content from https://clang.llvm.org/doxygen/ScanfFormatString_8cpp_source.html below:

clang: lib/AST/ScanfFormatString.cpp Source File

26using namespace clang

;

33 const char

*&Beg,

const char

*

E

) {

35 const char

*start = I - 1;

36

UpdateOnReturn <const char*> UpdateBeg(Beg, I);

53 if

(I + 1 !=

E

&& I[0] ==

'^'

&& I[1] ==

']'

) {

84 const char

*Start =

nullptr

;

85

UpdateOnReturn <const char*> UpdateBeg(Beg, I);

88 for

( ; I !=

E

; ++I) {

112 if

(ParseArgPosition(H, FS, Start, I,

E

))

123

FS.setSuppressAssignment(I);

135

FS.setFieldWidth(Amt);

145 if

(ParseLengthModifier(FS, I,

E

, LO,

true

) && I ==

E

) {

158 const char

*conversionPosition = I++;

160 switch

(*conversionPosition) {

189 if

(

Target

.getTriple().isOSDarwin())

193 if

(

Target

.getTriple().isOSDarwin())

197 if

(

Target

.getTriple().isOSDarwin())

206

FS.setConversionSpecifier(CS);

208

&& !FS.usesPositionalArg())

209

FS.setArgIndex(argIndex++);

215 unsigned

Len = I - Beg;

216 if

(ParseUTF8InvalidSpecifier(Beg,

E

, Len)) {

218

FS.setConversionSpecifier(CS);

234 case

ConversionSpecifier::dArg:

235 case

ConversionSpecifier::DArg:

236 case

ConversionSpecifier::iArg:

268

llvm_unreachable(

"Unsupported LengthModifier Type"

);

271 case

ConversionSpecifier::bArg:

272 case

ConversionSpecifier::oArg:

273 case

ConversionSpecifier::OArg:

274 case

ConversionSpecifier::uArg:

275 case

ConversionSpecifier::UArg:

276 case

ConversionSpecifier::xArg:

277 case

ConversionSpecifier::XArg:

310

llvm_unreachable(

"Unsupported LengthModifier Type"

);

313 case

ConversionSpecifier::aArg:

314 case

ConversionSpecifier::AArg:

315 case

ConversionSpecifier::eArg:

316 case

ConversionSpecifier::EArg:

317 case

ConversionSpecifier::fArg:

318 case

ConversionSpecifier::FArg:

319 case

ConversionSpecifier::gArg:

320 case

ConversionSpecifier::GArg:

333 case

ConversionSpecifier::cArg:

334 case

ConversionSpecifier::sArg:

335 case

ConversionSpecifier::ScanListArg:

352 case

ConversionSpecifier::CArg:

353 case

ConversionSpecifier::SArg:

371 case

ConversionSpecifier::pArg:

375 case

ConversionSpecifier::nArg:

419 if

(

CS

.

getKind

() == ConversionSpecifier::nArg)

430 if

(!ETy->getDecl()->isComplete())

432

PT = ETy->getDecl()->getIntegerType();

441 CS

.

setKind

(ConversionSpecifier::sArg);

451

CAT->getZExtSize() - 1,

""

, 0,

false

);

459 case

BuiltinType::UInt:

460 case

BuiltinType::Int:

461 case

BuiltinType::Float:

466 case

BuiltinType::Char_U:

467 case

BuiltinType::UChar:

468 case

BuiltinType::Char_S:

469 case

BuiltinType::SChar:

474 case

BuiltinType::Short:

475 case

BuiltinType::UShort:

480 case

BuiltinType::Long:

481 case

BuiltinType::ULong:

482 case

BuiltinType::Double:

487 case

BuiltinType::LongLong:

488 case

BuiltinType::ULongLong:

493 case

BuiltinType::LongDouble:

503 if

(LangOpt.C99 || LangOpt.CPlusPlus11)

515 CS

.

setKind

(ConversionSpecifier::fArg);

517 CS

.

setKind

(ConversionSpecifier::dArg);

519 CS

.

setKind

(ConversionSpecifier::uArg);

521

llvm_unreachable(

"Unexpected type"

);

531 if

(SuppressAssignment)

545 unsigned

argIndex = 0;

565

assert(I ==

E

&&

"Format string not exhausted"

);

llvm::MachO::Target Target

static bool ParseScanList(FormatStringHandler &H, ScanfConversionSpecifier &CS, const char *&Beg, const char *E)

static ScanfSpecifierResult ParseScanfSpecifier(FormatStringHandler &H, const char *&Beg, const char *E, unsigned &argIndex, const LangOptions &LO, const TargetInfo &Target)

clang::analyze_format_string::SpecifierResult< ScanfSpecifier > ScanfSpecifierResult

__device__ __2f16 float c

Holds long-lived AST nodes (such as types and decls) that can be referred to throughout the semantic ...

const ConstantArrayType * getAsConstantArrayType(QualType T) const

QualType getUnsignedPointerDiffType() const

Return the unique unsigned counterpart of "ptrdiff_t" integer type.

CanQualType getIntMaxType() const

Return the unique type for "intmax_t" (C99 7.18.1.5), defined in <stdint.h>.

QualType getPointerDiffType() const

Return the unique type for "ptrdiff_t" (C99 7.17) defined in <stddef.h>.

CanQualType UnsignedLongTy

CanQualType getSizeType() const

Return the unique type for "size_t" (C99 7.17), defined in <stddef.h>.

CanQualType UnsignedCharTy

CanQualType UnsignedIntTy

CanQualType UnsignedLongLongTy

CanQualType UnsignedShortTy

const TargetInfo & getTargetInfo() const

QualType getWideCharType() const

Return the type of wide characters.

CanQualType getSignedSizeType() const

Return the unique signed counterpart of the integer type corresponding to size_t.

CanQualType getUIntMaxType() const

Return the unique type for "uintmax_t" (C99 7.18.1.5), defined in <stdint.h>.

This class is used for builtin types like 'int'.

Represents the canonical version of C arrays with a specified constant size.

A helper class that allows the use of isa/cast/dyncast to detect TagType objects of enums.

Keeps track of the various options that can be enabled, which controls the dialect of C or C++ that i...

A (possibly-)qualified type.

Exposes information about the current target.

const llvm::Triple & getTriple() const

Returns the target triple of the primary target.

bool isSignedIntegerType() const

Return true if this is an integer type that is signed, according to C99 6.2.5p4 [char,...

bool isPointerType() const

QualType getPointeeType() const

If this is a pointer, ObjC object pointer, or block pointer, this returns the respective pointee.

bool isAnyCharacterType() const

Determine whether this type is any of the built-in character types.

bool isRealFloatingType() const

Floating point categories.

bool isWideCharType() const

bool isUnsignedIntegerType() const

Return true if this is an integer type that is unsigned, according to C99 6.2.5p6 [which returns true...

const T * getAs() const

Member-template getAs<specific type>'.

static ArgType PtrTo(const ArgType &A)

Create an ArgType which corresponds to the type pointer to A.

MatchKind matchesType(ASTContext &C, QualType argTy) const

void setEndScanList(const char *pos)

const char * toString() const

bool consumesDataArgument() const

unsigned getPositionalArgIndex() const

bool usesPositionalArg() const

static bool namedTypeToLengthModifier(QualType QT, LengthModifier &LM)

For a TypedefType QT, if it is a named integer type such as size_t, assign the appropriate value to L...

bool hasValidLengthModifier(const TargetInfo &Target, const LangOptions &LO) const

OptionalAmount FieldWidth

virtual void HandleIncompleteScanList(const char *start, const char *end)

virtual void HandleNullChar(const char *nullCharacter)

virtual void HandleIncompleteSpecifier(const char *startSpecifier, unsigned specifierLen)

virtual bool HandleScanfSpecifier(const analyze_scanf::ScanfSpecifier &FS, const char *startSpecifier, unsigned specifierLen)

virtual bool HandleInvalidScanfConversionSpecifier(const analyze_scanf::ScanfSpecifier &FS, const char *startSpecifier, unsigned specifierLen)

Represents the length modifier in a format string in scanf/printf.

const char * toString() const

void toString(raw_ostream &os) const

HowSpecified getHowSpecified() const

const T & getValue() const

const char * getStart() const

bool fixType(QualType QT, QualType RawQT, const LangOptions &LangOpt, ASTContext &Ctx)

void toString(raw_ostream &os) const

const ScanfConversionSpecifier & getConversionSpecifier() const

ArgType getArgType(ASTContext &Ctx) const

Defines the clang::TargetInfo interface.

Common components of both fprintf and fscanf format strings.

OptionalAmount ParseAmount(const char *&Beg, const char *E)

bool ParseScanfString(FormatStringHandler &H, const char *beg, const char *end, const LangOptions &LO, const TargetInfo &Target)

Pieces specific to fscanf format strings.

The JSON file list parser is used to communicate input to InstallAPI.


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