Security/libsecurity_codesigning/antlr2/antlr/Token.hpp

   1 #ifndef INC_Token_hpp__
   2 #define INC_Token_hpp__
   3
   4 /* ANTLR Translator Generator
   5  * Project led by Terence Parr at http://www.jGuru.com
   6  * Software rights: http://www.antlr.org/license.html
   7  *
   8  * $Id: //depot/code/org.antlr/release/antlr-2.7.7/lib/cpp/antlr/Token.hpp#2 $
   9  */
  10
  11 #include <antlr/config.hpp>
  12 #include <antlr/TokenRefCount.hpp>
  13 #include <string>
  14
  15 #ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
  16 namespace antlr {
  17 #endif
  18
  19 struct TokenRef;
  20
  21 /** A token is minimally a token type.  Subclasses can add the text matched
  22  *  for the token and line info.
  23  */
  24 class ANTLR_API Token
  25 {
  26 public:
  27         // constants
  28 #ifndef NO_STATIC_CONSTS
  29         static const int MIN_USER_TYPE = 4;
  30         static const int NULL_TREE_LOOKAHEAD = 3;
  31         static const int INVALID_TYPE = 0;
  32         static const int EOF_TYPE = 1;
  33         static const int SKIP = -1;
  34 #else
  35         enum {
  36                 MIN_USER_TYPE = 4,
  37                 NULL_TREE_LOOKAHEAD = 3,
  38                 INVALID_TYPE = 0,
  39                 EOF_TYPE = 1,
  40                 SKIP = -1
  41         };
  42 #endif
  43
  44         Token()
  45         : ref(0)
  46         , type(INVALID_TYPE)
  47         {
  48         }
  49         Token(int t)
  50         : ref(0)
  51         , type(t)
  52         {
  53         }
  54         Token(int t, const ANTLR_USE_NAMESPACE(std)string& txt)
  55         : ref(0)
  56         , type(t)
  57         {
  58                 setText(txt);
  59         }
  60         virtual ~Token()
  61         {
  62         }
  63
  64         virtual int getColumn() const;
  65         virtual int getLine() const;
  66         virtual ANTLR_USE_NAMESPACE(std)string getText() const;
  67         virtual const ANTLR_USE_NAMESPACE(std)string& getFilename() const;
  68         virtual int getType() const;
  69
  70         virtual void setColumn(int c);
  71
  72         virtual void setLine(int l);
  73         virtual void setText(const ANTLR_USE_NAMESPACE(std)string& t);
  74         virtual void setType(int t);
  75
  76         virtual void setFilename( const std::string& file );
  77
  78         virtual ANTLR_USE_NAMESPACE(std)string toString() const;
  79
  80 private:
  81         friend struct TokenRef;
  82         TokenRef* ref;
  83
  84         int type;                                                       ///< the type of the token
  85
  86         Token(RefToken other);
  87         Token& operator=(const Token& other);
  88         Token& operator=(RefToken other);
  89
  90         Token(const Token&);
  91 };
  92
  93 extern ANTLR_API RefToken nullToken;
  94
  95 #ifdef NEEDS_OPERATOR_LESS_THAN
  96 // RK: Added after 2.7.2 previously it was undefined.
  97 // AL: what to return if l and/or r point to nullToken???
  98 inline bool operator<( RefToken l, RefToken r )
  99 {
 100         return nullToken == l ? ( nullToken == r ? false : true ) : l->getType() < r->getType();
 101 }
 102 #endif
 103
 104 #ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
 105 }
 106 #endif
 107
 108 #endif //INC_Token_hpp__