class StringLiteralParser

Declaration

class StringLiteralParser { /* full declaration omitted */ };

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).

Declared at: clang/include/clang/Lex/LiteralSupport.h:218

Member Variables

private const clang::SourceManager& SM

private const clang::LangOptions& Features

private const clang::TargetInfo& Target

private clang::DiagnosticsEngine* Diags

private unsigned int MaxTokenLength

private unsigned int SizeBound

private unsigned int CharByteWidth

private tok::TokenKind Kind

private SmallString<512> ResultBuf

private char* ResultPtr

private SmallString<32> UDSuffixBuf

private unsigned int UDSuffixToken

private unsigned int UDSuffixOffset

public bool hadError

public bool Pascal

Method Overview

• private bool CopyStringFragment(const clang::Token & Tok, const char * TokBegin, llvm::StringRef Fragment)
• private void DiagnoseLexingError(clang::SourceLocation Loc)
• public unsigned int GetNumStringChars() const
• public llvm::StringRef GetString() const
• public unsigned int GetStringLength() const
• public StringLiteralParser(ArrayRef<clang::Token> StringToks, const clang::SourceManager & sm, const clang::LangOptions & features, const clang::TargetInfo & target, clang::DiagnosticsEngine * diags = nullptr)
• public StringLiteralParser(ArrayRef<clang::Token> StringToks, clang::Preprocessor & PP)
• public unsigned int getOffsetOfStringByte(const clang::Token & TheTok, unsigned int ByteNo) const
• public llvm::StringRef getUDSuffix() const
• public unsigned int getUDSuffixOffset() const
• public unsigned int getUDSuffixToken() const
• private void init(ArrayRef<clang::Token> StringToks)
• public bool isOrdinary() const
• public bool isPascal() const
• public bool isUTF16() const
• public bool isUTF32() const
• public bool isUTF8() const
• public static bool isValidUDSuffix(const clang::LangOptions & LangOpts, llvm::StringRef Suffix)
• public bool isWide() const

Methods

¶bool CopyStringFragment(const clang::Token& Tok,
                        const char* TokBegin,
                        llvm::StringRef Fragment)

Declared at: clang/include/clang/Lex/LiteralSupport.h:290

Parameters

const clang::Token& Tok

const char* TokBegin

llvm::StringRef Fragment

¶void DiagnoseLexingError(
    clang::SourceLocation Loc)

Declared at: clang/include/clang/Lex/LiteralSupport.h:292

Parameters

clang::SourceLocation Loc

¶unsigned int GetNumStringChars() const

Declared at: clang/include/clang/Lex/LiteralSupport.h:255

¶llvm::StringRef GetString() const

Declared at: clang/include/clang/Lex/LiteralSupport.h:250

¶unsigned int GetStringLength() const

Declared at: clang/include/clang/Lex/LiteralSupport.h:253

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

Declared at: clang/include/clang/Lex/LiteralSupport.h:236

Parameters

ArrayRef<clang::Token> StringToks

const clang::SourceManager& sm

const clang::LangOptions& features

const clang::TargetInfo& target

clang::DiagnosticsEngine* diags = nullptr

¶StringLiteralParser(
    ArrayRef<clang::Token> StringToks,
    clang::Preprocessor& PP)

Declared at: clang/include/clang/Lex/LiteralSupport.h:234

Parameters

ArrayRef<clang::Token> StringToks

clang::Preprocessor& PP

¶unsigned int getOffsetOfStringByte(
    const clang::Token& TheTok,
    unsigned int ByteNo) const

Description

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.

Declared at: clang/include/clang/Lex/LiteralSupport.h:264

Parameters

const clang::Token& TheTok

unsigned int ByteNo

¶llvm::StringRef getUDSuffix() const

Declared at: clang/include/clang/Lex/LiteralSupport.h:273

¶unsigned int getUDSuffixOffset() const

Description

Get the spelling offset of the first byte of the ud-suffix.

Declared at: clang/include/clang/Lex/LiteralSupport.h:281

¶unsigned int getUDSuffixToken() const

Description

Get the index of a token containing a ud-suffix.

Declared at: clang/include/clang/Lex/LiteralSupport.h:276

¶void init(ArrayRef<clang::Token> StringToks)

Declared at: clang/include/clang/Lex/LiteralSupport.h:289

Parameters

ArrayRef<clang::Token> StringToks

¶bool isOrdinary() const

Declared at: clang/include/clang/Lex/LiteralSupport.h:266

¶bool isPascal() const

Declared at: clang/include/clang/Lex/LiteralSupport.h:271

¶bool isUTF16() const

Declared at: clang/include/clang/Lex/LiteralSupport.h:269

¶bool isUTF32() const

Declared at: clang/include/clang/Lex/LiteralSupport.h:270

¶bool isUTF8() const

Declared at: clang/include/clang/Lex/LiteralSupport.h:268

¶static bool isValidUDSuffix(
    const clang::LangOptions& LangOpts,
    llvm::StringRef Suffix)

Declared at: clang/include/clang/Lex/LiteralSupport.h:286

Parameters

const clang::LangOptions& LangOpts

llvm::StringRef Suffix

¶bool isWide() const

Declared at: clang/include/clang/Lex/LiteralSupport.h:267