javacc-6.1.2.classes.templates.TokenManagerBoilerPlateMethods.template Maven / Gradle / Ivy

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JavaCC is a parser/scanner generator for Java.

There is a newer version: 7.0.13

#if TOKEN_MANAGER_USES_PARSER && !STATIC
    /** Constructor with parser. */
    public ${tokMgrClassName} (${cu_name} parserArg, ${charStreamName} stream){
    parser = parserArg;
#else
    /** Constructor. */
    public ${tokMgrClassName}(${charStreamName} stream){
#fi

#if STATIC && !USER_CHAR_STREAM
      if (input_stream != null)
        throw new ${LEGACY_EXCEPTION_HANDLING?TokenMgrError:TokenMgrException}("ERROR: Second call to constructor of static lexer. You must use ReInit() to initialize the static variables.", ${LEGACY_EXCEPTION_HANDLING?TokenMgrError:TokenMgrException}.STATIC_LEXER_ERROR);
#elif !USER_CHAR_STREAM
    #if JAVA_UNICODE_ESCAPE
      if (JavaCharStream.staticFlag)
    #else
      if (SimpleCharStream.staticFlag)
    #fi
            throw new ${LEGACY_EXCEPTION_HANDLING?Error:RuntimeException}("ERROR: Cannot use a static CharStream class with a non-static lexical analyzer.");
#fi

    input_stream = stream;
  }

#if TOKEN_MANAGER_USES_PARSER && !STATIC
  /** Constructor with parser. */
  public ${tokMgrClassName} (${cu_name} parserArg, ${charStreamName} stream, int lexState){
    ReInit(parserArg, stream);
  }
#else
  /** Constructor. */
  public ${tokMgrClassName} (${charStreamName} stream, int lexState){
    ReInit(stream);
    SwitchTo(lexState);
  }
#fi

  /** Reinitialise parser. */
  ${STATIC?static :}public void ReInit(${TOKEN_MANAGER_USES_PARSER?${cu_name} parserArg, :}${charStreamName} stream)
  {
	${TOKEN_MANAGER_USES_PARSER?this.parser = parserArg; :}
    jjmatchedPos = jjnewStateCnt = 0;
    curLexState = defaultLexState;
    input_stream = stream;
    ReInitRounds();
  }

  ${STATIC?static :}private void ReInitRounds()
  {
    int i;
    jjround = 0x80000001;
    for (i = ${stateSetSize}; i-- > 0;)
      jjrounds[i] = 0x80000000;
  }

  /** Reinitialise parser. */
  ${STATIC?static :}public void ReInit( ${TOKEN_MANAGER_USES_PARSER?${cu_name} parserArg, :}${charStreamName} stream, int lexState)
  {
  
    ReInit(${TOKEN_MANAGER_USES_PARSER?parserArg,:} stream);
    SwitchTo(lexState);
  }

  /** Switch to specified lex state. */
  ${STATIC?static :}public void SwitchTo(int lexState)
  {
    if (lexState >= ${lexStateNameLength} || lexState < 0)
      throw new ${LEGACY_EXCEPTION_HANDLING?TokenMgrError:TokenMgrException}("Error: Ignoring invalid lexical state : " + lexState + ". State unchanged.", ${LEGACY_EXCEPTION_HANDLING?TokenMgrError:TokenMgrException}.INVALID_LEXICAL_STATE);
    else
      curLexState = lexState;
  }