kc3-lang/angle/src/compiler/preprocessor/Token.h

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• Author : Stuart Morgan
  Date : 2019-08-14 12:25:12
  Hash : 9d737966
  Message : Standardize copyright notices to project style For all "ANGLE Project" copyrights, standardize to the format specified by the style guide. Changes: - "Copyright (c)" and "Copyright(c)" changed to just "Copyright". - Removed the second half of date ranges ("Y1Y1-Y2Y2"->"Y1Y1"). - Fixed a small number of files that had no copyright date using the initial commit year from the version control history. - Fixed one instance of copyright being "The ANGLE Project" rather than "The ANGLE Project Authors" These changes are applied both to the copyright of source file, and where applicable to copyright statements that are generated by templates. BUG=angleproject:3811 Change-Id: I973dd65e4ef9deeba232d5be74c768256a0eb2e5 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1754397 Commit-Queue: Jamie Madill <jmadill@chromium.org> Reviewed-by: Jamie Madill <jmadill@chromium.org>

• src/compiler/preprocessor/Token.h

• //
  // Copyright 2011 The ANGLE Project Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  //
  
  #ifndef COMPILER_PREPROCESSOR_TOKEN_H_
  #define COMPILER_PREPROCESSOR_TOKEN_H_
  
  #include <ostream>
  #include <string>
  
  #include "compiler/preprocessor/SourceLocation.h"
  
  namespace angle
  {
  
  namespace pp
  {
  
  struct Token
  {
      enum Type
      {
          // Calling this ERROR causes a conflict with wingdi.h
          GOT_ERROR = -1,
          LAST      = 0,  // EOF.
  
          IDENTIFIER = 258,
  
          CONST_INT,
          CONST_FLOAT,
  
          OP_INC,
          OP_DEC,
          OP_LEFT,
          OP_RIGHT,
          OP_LE,
          OP_GE,
          OP_EQ,
          OP_NE,
          OP_AND,
          OP_XOR,
          OP_OR,
          OP_ADD_ASSIGN,
          OP_SUB_ASSIGN,
          OP_MUL_ASSIGN,
          OP_DIV_ASSIGN,
          OP_MOD_ASSIGN,
          OP_LEFT_ASSIGN,
          OP_RIGHT_ASSIGN,
          OP_AND_ASSIGN,
          OP_XOR_ASSIGN,
          OP_OR_ASSIGN,
  
          // Preprocessing token types.
          // These types are used by the preprocessor internally.
          // Preprocessor clients must not depend or check for them.
          PP_HASH,
          PP_NUMBER,
          PP_OTHER
      };
      enum Flags
      {
          AT_START_OF_LINE   = 1 << 0,
          HAS_LEADING_SPACE  = 1 << 1,
          EXPANSION_DISABLED = 1 << 2
      };
  
      Token() : type(0), flags(0) {}
  
      void reset();
      bool equals(const Token &other) const;
  
      // Returns true if this is the first token on line.
      // It disregards any leading whitespace.
      bool atStartOfLine() const { return (flags & AT_START_OF_LINE) != 0; }
      void setAtStartOfLine(bool start);
  
      bool hasLeadingSpace() const { return (flags & HAS_LEADING_SPACE) != 0; }
      void setHasLeadingSpace(bool space);
  
      bool expansionDisabled() const { return (flags & EXPANSION_DISABLED) != 0; }
      void setExpansionDisabled(bool disable);
  
      // Converts text into numeric value for CONST_INT and CONST_FLOAT token.
      // Returns false if the parsed value cannot fit into an int or float.
      bool iValue(int *value) const;
      bool uValue(unsigned int *value) const;
  
      int type;
      unsigned int flags;
      SourceLocation location;
      std::string text;
  };
  
  inline bool operator==(const Token &lhs, const Token &rhs)
  {
      return lhs.equals(rhs);
  }
  
  inline bool operator!=(const Token &lhs, const Token &rhs)
  {
      return !lhs.equals(rhs);
  }
  
  std::ostream &operator<<(std::ostream &out, const Token &token);
  
  constexpr char kDefined[] = "defined";
  
  }  // namespace pp
  
  }  // namespace angle
  
  #endif  // COMPILER_PREPROCESSOR_TOKEN_H_