cxxScanner.h

#ifndef CXXSCANNER_H
#define CXXSCANNER_H
#include <stdio.h>
#include <string>
#include <vector>
#include "obstack.h"
enum TOKEN_t { OTHER=-1, ENDFILE = 0, ATS=1, AMPERSTAND, ARRAY_DELETE, ARRAY_NEW, ARROW,
               ARROWSTAR, BIT_AND_EQUALS, BIT_OR, BIT_OR_EQUALS, BRACKET_PAIR, BSLASH, CLASS, 
               COLON, COMMA, CONST, CPPELIF, CPPIF, CXXCMNT, DCOLON, DEFINE, DELETE, DIV,
               DIVEQUALS, DQSTR, ECMNT, ENUM, EQUAL, EQUALITY, GREATERTHAN, GREATERTHAN_EQUALS, 
               ICMNT, ID, LBRACE, LBRACKET, LESSTHAN, LESSTHAN_EQUALS, LOGICAL_AND, 
               LOGICAL_NOT, LOGICAL_NOT_EQUALS, LOGICAL_OR, LPAREN, LSHIFT, LSHIFT_ASSIGN,
               MINUS, MINUSEQUALS, MINUSMINUS, NAMESPACE, NEW, NLSPACE, OPERATOR, PAREN_PAIR,
               PERCENT, PERCENTEQUALS, PLUS, PLUSEQUALS, PLUSPLUS, RBRACE, RETURN, RPAREN,
               RSHIFT, RSHIFT_ASSIGN, SCMNT, SEMICOLON, SPACE, SQSTR, STRUCT, TEMPLATE, TILDE, 
               TIMES, TIMESEQUALS, USING, XOR, XOREQUALS};

//====================================================
//====================================================
class Token
{
 public:
  Token(TOKEN_t a = ENDFILE, const char* b = 0, int len = 0, int lineIn = -1, int colIn = -1);

  Token(const Token& t);

  ~Token();    

  void assign(TOKEN_t a, const char* b, int len, int lineIn, int colIn);

  TOKEN_t             tokenType() const  { return m_tokenType; } 
  const char*         text()      const  { return mp_text;     }
  int                 textLen()   const  { return m_len;       } 
  int                 lineNo()    const  { return m_line;      } 
  int                 column()    const  { return m_column;    } 

  static void  setObstack(Obstack* s)    { msp_obstack = s;    } 
  static void  resetObstack();                                   
 protected:
  TOKEN_t     m_tokenType;   
  int         m_len;         
  int         m_line;        
  int         m_column;      
  const char* mp_text;       
  static Obstack* msp_obstack;
};

//====================================================
//====================================================
class CxxScanner
{
 public:
  enum {HSIZE=128, HMASK=127};
  //====================================================
  //====================================================
  CxxScanner(const char* fileName);

  //====================================================
  //====================================================
  ~CxxScanner();


  static const char* filename() { return mp_fileName; }  
  static int lineNo();                                   
  static int column(int icol);                           

  //====================================================
  //====================================================
  Token read(const char* errStr = 0);

  //====================================================
  //====================================================
  void  pushBack(Token& t);

  //====================================================
  //====================================================
  Token prevToken(int i);


 private:
  static char*       mp_fileName;         
  int                m_current;           
  std::vector<Token> m_tokens;            
  int                m_stackCnt;          
  int                m_stdin;             
  Obstack            m_s;
};



#endif // CXXSCANNER_H

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