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clang
3.8.0
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#include "clang/Lex/Lexer.h"#include "UnicodeCharSets.h"#include "clang/Basic/CharInfo.h"#include "clang/Basic/SourceManager.h"#include "clang/Lex/CodeCompletionHandler.h"#include "clang/Lex/LexDiagnostic.h"#include "clang/Lex/LiteralSupport.h"#include "clang/Lex/Preprocessor.h"#include "llvm/ADT/STLExtras.h"#include "llvm/ADT/StringExtras.h"#include "llvm/ADT/StringSwitch.h"#include "llvm/Support/Compiler.h"#include "llvm/Support/ConvertUTF.h"#include "llvm/Support/MemoryBuffer.h"#include <cstring>Go to the source code of this file.
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| enum | PreambleDirectiveKind |
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| static size_t | getSpellingSlow (const Token &Tok, const char *BufPtr, const LangOptions &LangOpts, char *Spelling) |
| Slow case of getSpelling. More... | |
| static SourceLocation | getBeginningOfFileToken (SourceLocation Loc, const SourceManager &SM, const LangOptions &LangOpts) |
| static CharSourceRange | makeRangeFromFileLocs (CharSourceRange Range, const SourceManager &SM, const LangOptions &LangOpts) |
| static LLVM_ATTRIBUTE_NOINLINE SourceLocation | GetMappedTokenLoc (Preprocessor &PP, SourceLocation FileLoc, unsigned CharNo, unsigned TokLen) |
| GetMappedTokenLoc - If lexing out of a 'mapped buffer', where we pretend the lexer buffer was all expanded at a single point, perform the mapping. More... | |
| static char | GetTrigraphCharForLetter (char Letter) |
| GetTrigraphCharForLetter - Given a character that occurs after a ?? pair, return the decoded trigraph letter it corresponds to, or '\0' if nothing. More... | |
| static char | DecodeTrigraphChar (const char *CP, Lexer *L) |
| DecodeTrigraphChar - If the specified character is a legal trigraph when prefixed with ??, emit a trigraph warning. More... | |
| static bool | isAllowedIDChar (uint32_t C, const LangOptions &LangOpts) |
| static bool | isAllowedInitiallyIDChar (uint32_t C, const LangOptions &LangOpts) |
| static CharSourceRange | makeCharRange (Lexer &L, const char *Begin, const char *End) |
| static void | maybeDiagnoseIDCharCompat (DiagnosticsEngine &Diags, uint32_t C, CharSourceRange Range, bool IsFirst) |
| static bool | isEndOfBlockCommentWithEscapedNewLine (const char *CurPtr, Lexer *L) |
| isBlockCommentEndOfEscapedNewLine - Return true if the specified newline character (either \n or \r) is part of an escaped newline sequence. More... | |
| static const char * | FindConflictEnd (const char *CurPtr, const char *BufferEnd, ConflictMarkerKind CMK) |
| Find the end of a version control conflict marker. More... | |
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DecodeTrigraphChar - If the specified character is a legal trigraph when prefixed with ??, emit a trigraph warning.
If trigraphs are enabled, return the result character. Finally, emit a warning about trigraph use whether trigraphs are enabled or not.
Definition at line 1091 of file Lexer.cpp.
References clang::Lexer::Diag(), clang::Lexer::getLangOpts(), GetTrigraphCharForLetter(), and clang::PreprocessorLexer::isLexingRawMode().
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Find the end of a version control conflict marker.
Definition at line 2581 of file Lexer.cpp.
References clang::CMK_Perforce.
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Definition at line 449 of file Lexer.cpp.
References Buffer, clang::comments::tok::eof, clang::SourceManager::getBufferData(), clang::SourceManager::getDecomposedLoc(), clang::Token::getKind(), clang::Token::getLength(), clang::Token::getLocation(), clang::SourceLocation::getLocWithOffset(), clang::SourceLocation::isFileID(), and clang::Lexer::SetCommentRetentionState().
Referenced by clang::Lexer::GetBeginningOfToken().
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GetMappedTokenLoc - If lexing out of a 'mapped buffer', where we pretend the lexer buffer was all expanded at a single point, perform the mapping.
This is currently only used for _Pragma implementation, so it is the slow path of the hot getSourceLocation method. Do not allow it to be inlined.
Definition at line 1018 of file Lexer.cpp.
References clang::SourceLocation::getLocWithOffset(), clang::Preprocessor::getSourceManager(), clang::SourceLocation::isMacroID(), and SM.
Referenced by clang::Lexer::getSourceLocation().
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Slow case of getSpelling.
Extract the characters comprising the spelling of this token from the provided input buffer.
Definition at line 231 of file Lexer.cpp.
References clang::Lexer::getCharAndSizeNoWarn(), clang::Token::getKind(), clang::Token::getLength(), clang::tok::isStringLiteral(), Length, and clang::Token::needsCleaning().
Referenced by clang::Lexer::getSpelling().
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GetTrigraphCharForLetter - Given a character that occurs after a ?? pair, return the decoded trigraph letter it corresponds to, or '\0' if nothing.
Definition at line 1072 of file Lexer.cpp.
Referenced by DecodeTrigraphChar().
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Definition at line 1356 of file Lexer.cpp.
References C11AllowedIDCharRanges, C99AllowedIDCharRanges, and CXX03AllowedIDCharRanges.
Referenced by isAllowedInitiallyIDChar().
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Definition at line 1374 of file Lexer.cpp.
References C11DisallowedInitialIDCharRanges, C99DisallowedInitialIDCharRanges, and isAllowedIDChar().
isBlockCommentEndOfEscapedNewLine - Return true if the specified newline character (either \n or \r) is part of an escaped newline sequence.
Issue a diagnostic if so. We know that the newline is inside of a block comment.
Definition at line 2182 of file Lexer.cpp.
References clang::Lexer::Diag(), clang::Lexer::getLangOpts(), clang::isHorizontalWhitespace(), and clang::PreprocessorLexer::isLexingRawMode().
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Definition at line 1391 of file Lexer.cpp.
References clang::CharSourceRange::getCharRange(), and clang::Lexer::getSourceLocation().
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Definition at line 829 of file Lexer.cpp.
References End, clang::CharSourceRange::getBegin(), clang::CharSourceRange::getCharRange(), clang::SourceManager::getDecomposedLoc(), clang::CharSourceRange::getEnd(), clang::Lexer::getLocForEndOfToken(), clang::SourceLocation::isFileID(), clang::SourceManager::isInFileID(), clang::FileID::isInvalid(), clang::SourceLocation::isInvalid(), and clang::CharSourceRange::isTokenRange().
Referenced by clang::Lexer::makeFileCharRange().
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Definition at line 1397 of file Lexer.cpp.
References C99AllowedIDCharRanges, C99DisallowedInitialIDCharRanges, CXX03AllowedIDCharRanges, clang::CharSourceRange::getBegin(), clang::DiagnosticsEngine::isIgnored(), and clang::DiagnosticsEngine::Report().
1.8.6