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📄 CodeCompletionHandler.h(3.02 KB)
📄 DependencyDirectivesSourceMinimizer.h(3.66 KB)
📄 DirectoryLookup.h(7.21 KB)
📄 ExternalPreprocessorSource.h(1.52 KB)
📄 HeaderMap.h(3.27 KB)
📄 HeaderMapTypes.h(1.45 KB)
📄 HeaderSearch.h(31.25 KB)
📄 HeaderSearchOptions.h(8.62 KB)
📄 LexDiagnostic.h(496 B)
📄 Lexer.h(33.92 KB)
📄 LiteralSupport.h(10.06 KB)
📄 MacroArgs.h(5.41 KB)
📄 MacroInfo.h(20.14 KB)
📄 ModuleLoader.h(7.25 KB)
📄 ModuleMap.h(27.64 KB)
📄 MultipleIncludeOpt.h(6.41 KB)
📄 PPCallbacks.h(23.05 KB)
📄 PPConditionalDirectiveRecord.h(3.75 KB)
📄 Pragma.h(4.23 KB)
📄 PreprocessingRecord.h(20.55 KB)
📄 Preprocessor.h(89.66 KB)
📄 PreprocessorExcludedConditionalDirectiveSkipMapping.h(1.24 KB)
📄 PreprocessorLexer.h(6.1 KB)
📄 PreprocessorOptions.h(8.35 KB)
📄 ScratchBuffer.h(1.41 KB)
📄 Token.h(11.63 KB)
📄 TokenConcatenation.h(2.55 KB)
📄 TokenLexer.h(9.96 KB)
📄 VariadicMacroSupport.h(8.95 KB)

Editing: TokenConcatenation.h

//===--- TokenConcatenation.h - Token Concatenation Avoidance ---*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file defines the TokenConcatenation class.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_CLANG_LEX_TOKENCONCATENATION_H
#define LLVM_CLANG_LEX_TOKENCONCATENATION_H

#include "clang/Basic/TokenKinds.h"

namespace clang {
  class Preprocessor;
  class Token;

/// TokenConcatenation class, which answers the question of
  ///   "Is it safe to emit two tokens without a whitespace between them, or
  ///    would that cause implicit concatenation of the tokens?"
  ///
  /// For example, it emitting two identifiers "foo" and "bar" next to each
  /// other would cause the lexer to produce one "foobar" token.  Emitting "1"
  /// and ")" next to each other is safe.
  ///
  class TokenConcatenation {
    const Preprocessor &PP;

enum AvoidConcatInfo {
      /// By default, a token never needs to avoid concatenation.  Most tokens
      /// (e.g. ',', ')', etc) don't cause a problem when concatenated.
      aci_never_avoid_concat = 0,

/// aci_custom_firstchar - AvoidConcat contains custom code to handle this
      /// token's requirements, and it needs to know the first character of the
      /// token.
      aci_custom_firstchar = 1,

/// aci_custom - AvoidConcat contains custom code to handle this token's
      /// requirements, but it doesn't need to know the first character of the
      /// token.
      aci_custom = 2,

/// aci_avoid_equal - Many tokens cannot be safely followed by an '='
      /// character.  For example, "<<" turns into "<<=" when followed by an =.
      aci_avoid_equal = 4
    };

/// TokenInfo - This array contains information for each token on what
    /// action to take when avoiding concatenation of tokens in the AvoidConcat
    /// method.
    char TokenInfo[tok::NUM_TOKENS];
  public:
    TokenConcatenation(const Preprocessor &PP);

bool AvoidConcat(const Token &PrevPrevTok,
                     const Token &PrevTok,
                     const Token &Tok) const;

private:
    /// IsIdentifierStringPrefix - Return true if the spelling of the token
    /// is literally 'L', 'u', 'U', or 'u8'.
    bool IsIdentifierStringPrefix(const Token &Tok) const;
  };
  } // end clang namespace

#endif

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Editing: TokenConcatenation.h

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