clang::analyze_format_string Namespace Reference

Common components of both fprintf and fscanf format strings. More...

Classes
class	OptionalFlag
class	LengthModifier
	Represents the length modifier in a format string in scanf/printf. More...
class	ConversionSpecifier
class	ArgTypeResult
class	OptionalAmount
class	FormatSpecifier
class	FormatStringHandler
class	SpecifierResult
Enumerations
enum	PositionContext { FieldWidthPos = 0, PrecisionPos = 1 }
Functions
bool	ParsePrintfString (FormatStringHandler &H, const char *beg, const char *end, const LangOptions &LO)
bool	ParseScanfString (FormatStringHandler &H, const char *beg, const char *end, const LangOptions &LO)
OptionalAmount	ParseAmount (const char *&Beg, const char *E)
OptionalAmount	ParseNonPositionAmount (const char *&Beg, const char *E, unsigned &argIndex)
OptionalAmount	ParsePositionAmount (FormatStringHandler &H, const char *Start, const char *&Beg, const char *E, PositionContext p)
bool	ParseFieldWidth (FormatStringHandler &H, FormatSpecifier &CS, const char *Start, const char *&Beg, const char *E, unsigned *argIndex)
bool	ParseArgPosition (FormatStringHandler &H, FormatSpecifier &CS, const char *Start, const char *&Beg, const char *E)
bool	ParseLengthModifier (FormatSpecifier &FS, const char *&Beg, const char *E, const LangOptions &LO, bool IsScanf=false)

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Detailed Description

Common components of both fprintf and fscanf format strings.

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Enumeration Type Documentation

enum clang::analyze_format_string::PositionContext

Enumerator:

FieldWidthPos
PrecisionPos

Definition at line 593 of file FormatString.h.

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Function Documentation

OptionalAmount clang::analyze_format_string::ParseAmount	(	const char *&	Beg,
		const char *	E
	)

Definition at line 36 of file FormatString.cpp.

Referenced by ParseArgPosition(), ParseNonPositionAmount(), ParsePositionAmount(), and ParseScanfSpecifier().

bool clang::analyze_format_string::ParseArgPosition	(	FormatStringHandler &	H,
		FormatSpecifier &	CS,
		const char *	Start,
		const char *&	Beg,
		const char *	E
	)

Definition at line 143 of file FormatString.cpp.

References clang::analyze_format_string::OptionalAmount::getConstantAmount(), clang::analyze_format_string::OptionalAmount::getHowSpecified(), clang::analyze_format_string::FormatStringHandler::HandleIncompleteSpecifier(), clang::analyze_format_string::FormatStringHandler::HandlePosition(), clang::analyze_format_string::FormatStringHandler::HandleZeroPosition(), ParseAmount(), clang::analyze_format_string::FormatSpecifier::setArgIndex(), and clang::analyze_format_string::FormatSpecifier::setUsesPositionalArg().

Referenced by ParsePrintfSpecifier(), and ParseScanfSpecifier().

bool clang::analyze_format_string::ParseFieldWidth	(	FormatStringHandler &	H,
		FormatSpecifier &	CS,
		const char *	Start,
		const char *&	Beg,
		const char *	E,
		unsigned *	argIndex
	)

Definition at line 121 of file FormatString.cpp.

References FieldWidthPos, clang::analyze_format_string::OptionalAmount::isInvalid(), ParseNonPositionAmount(), ParsePositionAmount(), and clang::analyze_format_string::FormatSpecifier::setFieldWidth().

Referenced by ParsePrintfSpecifier().

bool clang::analyze_format_string::ParseLengthModifier	(	FormatSpecifier &	FS,
		const char *&	Beg,
		const char *	E,
		const LangOptions &	LO,
		bool	IsScanf = false
	)

Returns true if a LengthModifier was parsed and installed in the FormatSpecifier& argument, and false otherwise.

Definition at line 180 of file FormatString.cpp.

References clang::analyze_format_string::FormatSpecifier::setLengthModifier().

Referenced by ParsePrintfSpecifier(), and ParseScanfSpecifier().

OptionalAmount clang::analyze_format_string::ParseNonPositionAmount	(	const char *&	Beg,
		const char *	E,
		unsigned &	argIndex
	)

Definition at line 62 of file FormatString.cpp.

References Arg, and ParseAmount().

Referenced by ParseFieldWidth(), and ParsePrecision().

OptionalAmount clang::analyze_format_string::ParsePositionAmount	(	FormatStringHandler &	H,
		const char *	Start,
		const char *&	Beg,
		const char *	E,
		PositionContext	p
	)

Definition at line 74 of file FormatString.cpp.

References Arg, clang::analyze_format_string::OptionalAmount::getConstantAmount(), clang::analyze_format_string::OptionalAmount::getHowSpecified(), clang::analyze_format_string::FormatStringHandler::HandleIncompleteSpecifier(), clang::analyze_format_string::FormatStringHandler::HandleInvalidPosition(), clang::analyze_format_string::FormatStringHandler::HandleZeroPosition(), and ParseAmount().

Referenced by ParseFieldWidth(), and ParsePrecision().

bool clang::analyze_format_string::ParsePrintfString	(	FormatStringHandler &	H,
		const char *	beg,
		const char *	end,
		const LangOptions &	LO
	)

Definition at line 212 of file PrintfFormatString.cpp.

References clang::analyze_format_string::SpecifierResult< T >::getStart(), clang::analyze_format_string::SpecifierResult< T >::getValue(), clang::analyze_format_string::FormatStringHandler::HandlePrintfSpecifier(), clang::analyze_format_string::SpecifierResult< T >::hasValue(), ParsePrintfSpecifier(), and clang::analyze_format_string::SpecifierResult< T >::shouldStop().

bool clang::analyze_format_string::ParseScanfString	(	FormatStringHandler &	H,
		const char *	beg,
		const char *	end,
		const LangOptions &	LO
	)

Definition at line 427 of file ScanfFormatString.cpp.

References clang::analyze_format_string::SpecifierResult< T >::getStart(), clang::analyze_format_string::SpecifierResult< T >::getValue(), clang::analyze_format_string::FormatStringHandler::HandleScanfSpecifier(), clang::analyze_format_string::SpecifierResult< T >::hasValue(), ParseScanfSpecifier(), and clang::analyze_format_string::SpecifierResult< T >::shouldStop().