Class UPParserTokenManager

java.lang.Object
org.tweetyproject.preferences.io.UPParserTokenManager
All Implemented Interfaces:
UPParserConstants
public class UPParserTokenManager extends Object implements UPParserConstants
Token Manager.

  • Field Details

    • debugStream

      public PrintStream debugStream
      Debug output.

    • jjstrLiteralImages

      public static final String[] jjstrLiteralImages
      Token literal values.

    • lexStateNames

      public static final String[] lexStateNames
      Lexer state names.

  • Constructor Details

    • UPParserTokenManager

      public UPParserTokenManager(SimpleCharStream stream)
      Token manager for parsing with the given input stream.
      Parameters:
      stream - the simple

    • UPParserTokenManager

      public UPParserTokenManager(SimpleCharStream stream, int lexState)
      Token manager for parsing with the given input stream and initial lexical state.
      Parameters:
      stream - The input stream to be used by the token manager.
      lexState - The initial lexical state to switch to.

  • Method Details

    • setDebugStream

      public void setDebugStream(PrintStream ds)
      Set debug output.
      Parameters:
      ds - print stream

    • ReInit

      public void ReInit(SimpleCharStream stream)
      Reinitializes the parser with a new input stream, resetting to default lexical state.
      Parameters:
      stream - The new input stream to be used.

    • ReInit

      public void ReInit(SimpleCharStream stream, int lexState)
      Reinitializes the parser with a new input stream and sets the lexical state.
      Parameters:
      stream - The new input stream to be used.
      lexState - The lexical state to switch to.

    • SwitchTo

      public void SwitchTo(int lexState)
      Switches the lexical analyzer to a specified lexical state.
      Parameters:
      lexState - The new lexical state to switch to.
      Throws:
      TokenMgrError - If the specified lexical state is invalid.

    • getNextToken

      public Token getNextToken()
      Get the next Token.
      Returns:
      token