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diff --git a/gnu/llvm/tools/clang/lib/Format/FormatTokenLexer.h b/gnu/llvm/tools/clang/lib/Format/FormatTokenLexer.h
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-//===--- FormatTokenLexer.h - Format C++ code ----------------*- C++ ----*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-///
-/// \file
-/// This file contains FormatTokenLexer, which tokenizes a source file
-/// into a token stream suitable for ClangFormat.
-///
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_CLANG_LIB_FORMAT_FORMATTOKENLEXER_H
-#define LLVM_CLANG_LIB_FORMAT_FORMATTOKENLEXER_H
-
-#include "Encoding.h"
-#include "FormatToken.h"
-#include "clang/Basic/SourceLocation.h"
-#include "clang/Basic/SourceManager.h"
-#include "clang/Format/Format.h"
-#include "llvm/Support/Regex.h"
-#include "llvm/ADT/MapVector.h"
-
-#include <stack>
-
-namespace clang {
-namespace format {
-
-enum LexerState {
- NORMAL,
- TEMPLATE_STRING,
- TOKEN_STASHED,
-};
-
-class FormatTokenLexer {
-public:
- FormatTokenLexer(const SourceManager &SourceMgr, FileID ID, unsigned Column,
- const FormatStyle &Style, encoding::Encoding Encoding);
-
- ArrayRef<FormatToken *> lex();
-
- const AdditionalKeywords &getKeywords() { return Keywords; }
-
-private:
- void tryMergePreviousTokens();
-
- bool tryMergeLessLess();
- bool tryMergeNSStringLiteral();
-
- bool tryMergeTokens(ArrayRef<tok::TokenKind> Kinds, TokenType NewType);
-
- // Returns \c true if \p Tok can only be followed by an operand in JavaScript.
- bool precedesOperand(FormatToken *Tok);
-
- bool canPrecedeRegexLiteral(FormatToken *Prev);
-
- // Tries to parse a JavaScript Regex literal starting at the current token,
- // if that begins with a slash and is in a location where JavaScript allows
- // regex literals. Changes the current token to a regex literal and updates
- // its text if successful.
- void tryParseJSRegexLiteral();
-
- // Handles JavaScript template strings.
- //
- // JavaScript template strings use backticks ('`') as delimiters, and allow
- // embedding expressions nested in ${expr-here}. Template strings can be
- // nested recursively, i.e. expressions can contain template strings in turn.
- //
- // The code below parses starting from a backtick, up to a closing backtick or
- // an opening ${. It also maintains a stack of lexing contexts to handle
- // nested template parts by balancing curly braces.
- void handleTemplateStrings();
-
- void tryParsePythonComment();
-
- bool tryMerge_TMacro();
-
- bool tryMergeConflictMarkers();
-
- FormatToken *getStashedToken();
-
- FormatToken *getNextToken();
-
- FormatToken *FormatTok;
- bool IsFirstToken;
- std::stack<LexerState> StateStack;
- unsigned Column;
- unsigned TrailingWhitespace;
- std::unique_ptr<Lexer> Lex;
- const SourceManager &SourceMgr;
- FileID ID;
- const FormatStyle &Style;
- IdentifierTable IdentTable;
- AdditionalKeywords Keywords;
- encoding::Encoding Encoding;
- llvm::SpecificBumpPtrAllocator<FormatToken> Allocator;
- // Index (in 'Tokens') of the last token that starts a new line.
- unsigned FirstInLineIndex;
- SmallVector<FormatToken *, 16> Tokens;
-
- llvm::SmallMapVector<IdentifierInfo *, TokenType, 8> Macros;
-
- bool FormattingDisabled;
-
- llvm::Regex MacroBlockBeginRegex;
- llvm::Regex MacroBlockEndRegex;
-
- void readRawToken(FormatToken &Tok);
-
- void resetLexer(unsigned Offset);
-};
-
-} // namespace format
-} // namespace clang
-
-#endif