Package adams.parser.twitterfilter

Class Parser

  • public class Parser
extends java_cup.runtime.lr_parser
    CUP v0.11b 20160615 (GIT 4ac7450) generated parser.

    • Field Summary

      Fields 
      Modifier and Type Field Description
      protected static short[][] _action_table
      Parse-action table.
      protected static short[][] _production_table
      Production table.
      protected static short[][] _reduce_table
      reduce_goto table.
      protected adams.parser.twitterfilter.Parser.CUP$Parser$actions action_obj
      Instance of action encapsulation class.
      protected adams.parser.ParserHelper m_Helper
      the helper.
      protected Boolean m_Result
      for storing the result of the expression.
      protected HashMap m_Symbols
      variable - value relation.

      • Fields inherited from class java_cup.runtime.lr_parser

        _done_parsing, _error_sync_size, action_tab, cur_token, lookahead, lookahead_pos, production_tab, reduce_tab, stack, symbolFactory, tos

    • Constructor Summary

      Constructors 
      Constructor Description
      Parser()
      Deprecated.
      Parser​(java_cup.runtime.Scanner s)
      Deprecated.
      Parser​(java_cup.runtime.Scanner s, java_cup.runtime.SymbolFactory sf)
      Constructor which sets the default scanner.

    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      short[][] action_table()
      Access to parse-action table.
      java_cup.runtime.Symbol do_action​(int act_num, java_cup.runtime.lr_parser parser, Stack stack, int top)
      Invoke a user supplied parse action.
      int EOF_sym()
      EOF Symbol index.
      int error_sym()
      error Symbol index.
      protected String get​(TwitterField symbol)
      Returns the string value associated with the symbol.
      protected Object get​(String symbol)
      Returns the object value associated with the symbol.
      protected Boolean getBoolean​(TwitterField symbol)
      Returns the boolean value associated with the symbol.
      protected Double getDouble​(TwitterField symbol)
      Returns the double value associated with the symbol.
      adams.parser.ParserHelper getHelper()
      Returns the parser helper.
      Boolean getResult()
      Returns the result of the evaluation.
      Class getSymbolContainer()  
      HashMap getSymbols()
      Returns the current variable - value relation in use.
      protected boolean has​(TwitterField symbol)
      Returns whether the symbol is present at all.
      protected void init_actions()
      Action encapsulation object initializer.
      boolean isExactMatch​(String search, String[] values)
      Returns whether an exact match was found in array.
      boolean isRegExpMatch​(String search, String[] values)
      Returns whether a regexp matched a value of the array.
      boolean isSubstringMatch​(String search, String[] values)
      Returns whether a substring was found in the array.
      static void main​(String[] args)
      Runs the parser from commandline.
      short[][] production_table()
      Access to production table.
      short[][] reduce_table()
      Access to reduce_goto table.
      void setResult​(Boolean value)
      Sets the result of the evaluation.
      void setSymbols​(HashMap value)
      Sets the variable - value relation to use.
      int start_production()
      Indicates start production.
      int start_state()
      Indicates start state.

      • Methods inherited from class java_cup.runtime.lr_parser

        advance_lookahead, cur_err_token, debug_message, debug_parse, debug_reduce, debug_shift, debug_stack, done_parsing, dump_stack, error_recovery, error_sync_size, expected_token_ids, find_recovery_config, get_action, get_reduce, getScanner, getSymbolFactory, parse, parse_lookahead, read_lookahead, report_error, report_expected_token_ids, report_fatal_error, restart_lookahead, scan, setScanner, shift_under_error, symbl_name_from_id, syntax_error, try_parse_ahead, unpackFromStrings, unrecovered_syntax_error, user_init

    • Field Detail

      • _production_table

        protected static final short[][] _production_table
        Production table.

      • _action_table

        protected static final short[][] _action_table
        Parse-action table.

      • _reduce_table

        protected static final short[][] _reduce_table
        reduce_goto table.

      • action_obj

        protected adams.parser.twitterfilter.Parser.CUP$Parser$actions action_obj
        Instance of action encapsulation class.

      • m_Symbols

        protected HashMap m_Symbols
        variable - value relation.

      • m_Result

        protected Boolean m_Result
        for storing the result of the expression.

      • m_Helper

        protected adams.parser.ParserHelper m_Helper
        the helper.

    • Constructor Detail

      • Parser

        @Deprecated
public Parser()
        Deprecated.
        Default constructor.

      • Parser

        @Deprecated
public Parser​(java_cup.runtime.Scanner s)
        Deprecated.
        Constructor which sets the default scanner.

      • Parser

        public Parser​(java_cup.runtime.Scanner s,
              java_cup.runtime.SymbolFactory sf)
        Constructor which sets the default scanner.

    • Method Detail

      • getSymbolContainer

        public final Class getSymbolContainer()
        Overrides:
        getSymbolContainer in class java_cup.runtime.lr_parser

      • production_table

        public short[][] production_table()
        Access to production table.
        Specified by:
        production_table in class java_cup.runtime.lr_parser

      • action_table

        public short[][] action_table()
        Access to parse-action table.
        Specified by:
        action_table in class java_cup.runtime.lr_parser

      • reduce_table

        public short[][] reduce_table()
        Access to reduce_goto table.
        Specified by:
        reduce_table in class java_cup.runtime.lr_parser

      • init_actions

        protected void init_actions()
        Action encapsulation object initializer.
        Specified by:
        init_actions in class java_cup.runtime.lr_parser

      • do_action

        public java_cup.runtime.Symbol do_action​(int act_num,
                                         java_cup.runtime.lr_parser parser,
                                         Stack stack,
                                         int top)
                                  throws Exception
        Invoke a user supplied parse action.
        Specified by:
        do_action in class java_cup.runtime.lr_parser
        Throws:
        Exception

      • start_state

        public int start_state()
        Indicates start state.
        Specified by:
        start_state in class java_cup.runtime.lr_parser

      • start_production

        public int start_production()
        Indicates start production.
        Specified by:
        start_production in class java_cup.runtime.lr_parser

      • EOF_sym

        public int EOF_sym()
        EOF Symbol index.
        Specified by:
        EOF_sym in class java_cup.runtime.lr_parser

      • error_sym

        public int error_sym()
        error Symbol index.
        Specified by:
        error_sym in class java_cup.runtime.lr_parser

      • setSymbols

        public void setSymbols​(HashMap value)
        Sets the variable - value relation to use.
        Parameters:
        value - the variable-value relation

      • getSymbols

        public HashMap getSymbols()
        Returns the current variable - value relation in use.
        Returns:
        the variable-value relation

      • getHelper

        public adams.parser.ParserHelper getHelper()
        Returns the parser helper.
        Returns:
        the helper

      • get

        protected String get​(TwitterField symbol)
        Returns the string value associated with the symbol.
        Parameters:
        symbol - the symbol to look up
        Returns:
        the string value, "" if not available

      • get

        protected Object get​(String symbol)
        Returns the object value associated with the symbol.
        Parameters:
        symbol - the symbol to look up
        Returns:
        the string value, null if not available

      • getDouble

        protected Double getDouble​(TwitterField symbol)
        Returns the double value associated with the symbol.
        Returns:
        the double value, Double.NaN if not available

      • getBoolean

        protected Boolean getBoolean​(TwitterField symbol)
        Returns the boolean value associated with the symbol.
        Returns:
        the boolean value, false if not available

      • has

        protected boolean has​(TwitterField symbol)
        Returns whether the symbol is present at all.
        Returns:
        true if present

      • setResult

        public void setResult​(Boolean value)
        Sets the result of the evaluation.
        Parameters:
        value - the result

      • getResult

        public Boolean getResult()
        Returns the result of the evaluation.
        Returns:
        the result

      • isExactMatch

        public boolean isExactMatch​(String search,
                            String[] values)
        Returns whether an exact match was found in array.
        Parameters:
        search - the search term
        values - the array of values to search
        Returns:
        true if match

      • isSubstringMatch

        public boolean isSubstringMatch​(String search,
                                String[] values)
        Returns whether a substring was found in the array.
        Parameters:
        search - the substring to find
        values - the array of values to search
        Returns:
        true if match

      • isRegExpMatch

        public boolean isRegExpMatch​(String search,
                             String[] values)
        Returns whether a regexp matched a value of the array.
        Parameters:
        search - the regexp to match against the values
        values - the array of values to search
        Returns:
        true if match

      • main

        public static void main​(String[] args)
                 throws Exception
        Runs the parser from commandline. Either reads lines from System.in or from a provided file (line by line). With -symbols as first parameter one can provide predefined variable values. E.g.: -symbols "Y=10;X=3" "X+Y"
        Parameters:
        args - the commandline arguments
        Throws:
        Exception - if something goes wrong