javacc-7.0.3.examples.JJTreeExamples.cpp.eg1.ParserTokenManager.h Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of javacc Show documentation

JavaCC is a parser/scanner generator for Java.

There is a newer version: 7.0.13

#ifndef PARSERTOKENMANAGER_H
#define PARSERTOKENMANAGER_H
#include "stdio.h"
#include "JavaCC.h"
#include "CharStream.h"
#include "Token.h"
#include "ErrorHandler.h"
#include "TokenManager.h"
#include "ParserConstants.h"

namespace EG1 {
class Parser;

/** Token Manager. */
class ParserTokenManager : public TokenManager {
public:

  FILE *debugStream;
  void  setDebugStream(FILE *ds);
 int jjStopStringLiteralDfa_0(int pos, unsigned long long active0);
int  jjStartNfa_0(int pos, unsigned long long active0);
 int  jjStopAtPos(int pos, int kind);
 int  jjMoveStringLiteralDfa0_0();
int jjStartNfaWithStates_0(int pos, int kind, int state);
int jjMoveNfa_0(int startState, int curPos);
Token * jjFillToken();

public:
    int curLexState;
    int jjnewStateCnt;
    int jjround;
    int jjmatchedPos;
    int jjmatchedKind;

Token * getNextToken();
#define jjCheckNAdd(state)\
{\
   if (jjrounds[state] != jjround)\
   {\
      jjstateSet[jjnewStateCnt++] = state;\
      jjrounds[state] = jjround;\
   }\
}
#define jjAddStates(start, end)\
{\
   for (int x = start; x <= end; x++) {\
      jjstateSet[jjnewStateCnt++] = jjnextStates[x];\
   } /*while (start++ != end);*/\
}
#define jjCheckNAddTwoStates(state1, state2)\
{\
   jjCheckNAdd(state1);\
   jjCheckNAdd(state2);\
}

#define jjCheckNAddStates(start, end)\
{\
   for (int x = start; x <= end; x++) {\
      jjCheckNAdd(jjnextStates[x]);\
   } /*while (start++ != end);*/\
}

#ifndef JAVACC_CHARSTREAM
#define JAVACC_CHARSTREAM CharStream
#endif

private:
  void ReInitRounds();

public:
  ParserTokenManager(JAVACC_CHARSTREAM *stream, int lexState = 0);
  virtual ~ParserTokenManager();
  void ReInit(JAVACC_CHARSTREAM *stream, int lexState = 0);
  void SwitchTo(int lexState);
  void clear();
  const JJSimpleString jjKindsForBitVector(int i, unsigned long long vec);
  const JJSimpleString jjKindsForStateVector(int lexState, int vec[], int start, int end);

  JAVACC_CHARSTREAM*        input_stream;
  int                       jjrounds[21];
  int                       jjstateSet[2 * 21];
  JJString                  jjimage;
  JJString                  image;
  int                       jjimageLen;
  int                       lengthOfMatch;
  JJChar                    curChar;
  TokenManagerErrorHandler* errorHandler = nullptr;

public: 
  void setErrorHandler(TokenManagerErrorHandler *eh) {
      if (errorHandler) delete errorHandler, errorHandler = nullptr;
      errorHandler = eh;
    }
    
};
}
#endif