#include <LiteralSupport.h>

Collaboration diagram for clang::StringLiteralParser:

Public Member Functions
	StringLiteralParser (ArrayRef< Token > StringToks, Preprocessor &PP, bool Complain=true)
	StringLiteralParser (ArrayRef< Token > StringToks, const SourceManager &sm, const LangOptions &features, const TargetInfo &target, DiagnosticsEngine *diags=nullptr)
StringRef	GetString () const
unsigned	GetStringLength () const
unsigned	GetNumStringChars () const
unsigned	getOffsetOfStringByte (const Token &TheTok, unsigned ByteNo) const
bool	isAscii () const
bool	isWide () const
bool	isUTF8 () const
bool	isUTF16 () const
bool	isUTF32 () const
bool	isPascal () const
StringRef	getUDSuffix () const
unsigned	getUDSuffixToken () const
	Get the index of a token containing a ud-suffix.
unsigned	getUDSuffixOffset () const
	Get the spelling offset of the first byte of the ud-suffix.
Public Attributes
bool	hadError
bool	Pascal

Detailed Description

StringLiteralParser - This decodes string escape characters and performs wide string analysis and Translation Phase #6 (concatenation of string literals) (C99 5.1.1.2p1).

Definition at line 183 of file LiteralSupport.h.

Constructor & Destructor Documentation

StringLiteralParser::StringLiteralParser	(	ArrayRef< Token >	StringToks,
		Preprocessor &	PP,
		bool	Complain = `true`
	)

          string-literal: [C++0x lex.string]
            encoding-prefix " [s-char-sequence] "
            encoding-prefix R raw-string
          encoding-prefix:
            u8
            u
            U
            L
          s-char-sequence:
            s-char
            s-char-sequence s-char
          s-char:
            any member of the source character set except the double-quote ",
              backslash \, or new-line character
            escape-sequence
            universal-character-name
          raw-string:
            " d-char-sequence ( r-char-sequence ) d-char-sequence "
          r-char-sequence:
            r-char
            r-char-sequence r-char
          r-char:
            any member of the source character set, except a right parenthesis )
              followed by the initial d-char-sequence (which may be empty)
              followed by a double quote ".
          d-char-sequence:
            d-char
            d-char-sequence d-char
          d-char:
            any member of the basic source character set except:
              space, the left parenthesis (, the right parenthesis ),
              the backslash \, and the control characters representing horizontal
              tab, vertical tab, form feed, and newline.
          escape-sequence: [C++0x lex.ccon]
            simple-escape-sequence
            octal-escape-sequence
            hexadecimal-escape-sequence
          simple-escape-sequence:
            one of \' \" \? \\ \a \b \f \n \r \t \v
          octal-escape-sequence:
            \ octal-digit
            \ octal-digit octal-digit
            \ octal-digit octal-digit octal-digit
          hexadecimal-escape-sequence:
            \x hexadecimal-digit
            hexadecimal-escape-sequence hexadecimal-digit
          universal-character-name:
            \u hex-quad
            \U hex-quad hex-quad
          hex-quad:
            hex-digit hex-digit hex-digit hex-digit

Definition at line 1262 of file LiteralSupport.cpp.

clang::StringLiteralParser::StringLiteralParser	(	ArrayRef< Token >	StringToks,
		const SourceManager &	sm,
		const LangOptions &	features,
		const TargetInfo &	target,
		DiagnosticsEngine *	diags = `nullptr`
	)		`[inline]`

Definition at line 201 of file LiteralSupport.h.

Member Function Documentation

unsigned clang::StringLiteralParser::GetNumStringChars ( ) const [inline]

Definition at line 220 of file LiteralSupport.h.

References GetStringLength().

unsigned StringLiteralParser::getOffsetOfStringByte	(	const Token &	Tok,
		unsigned	ByteNo
	)		const

getOffsetOfStringByte - This function returns the offset of the specified byte of the string data represented by Token. This handles advancing over escape sequences in the string.

If the Diagnostics pointer is non-null, then this will do semantic checking of the string literal and emit errors and warnings.

getOffsetOfStringByte - This function returns the offset of the specified byte of the string data represented by Token. This handles advancing over escape sequences in the string.

Definition at line 1608 of file LiteralSupport.cpp.

References clang::Token::getLength(), clang::Token::getLocation(), clang::Lexer::getSpelling(), MeasureUCNEscape(), and ProcessCharEscape().

Referenced by clang::StringLiteral::getLocationOfByte().

StringRef clang::StringLiteralParser::GetString ( ) const [inline]

Definition at line 215 of file LiteralSupport.h.

References GetStringLength().

Referenced by clang::Preprocessor::FinishLexStringLiteral().

unsigned clang::StringLiteralParser::GetStringLength ( ) const [inline]

Definition at line 218 of file LiteralSupport.h.

Referenced by clang::StringLiteral::getLocationOfByte(), GetNumStringChars(), and GetString().

StringRef clang::StringLiteralParser::getUDSuffix ( ) const [inline]

Definition at line 238 of file LiteralSupport.h.