Package weka.core.expressionlanguage.parser

Class Parser

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

    • Field Summary

      • Fields inherited from class java_cup.runtime.lr_parser

        symbolFactory

    • 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, java.util.Stack stack, int top)
      Invoke a user supplied parse action.
      int EOF_sym()
      EOF Symbol index.
      int error_sym()
      error Symbol index.
      Node getRoot()
      Returns the root node of the program
      java.lang.Class getSymbolContainer()  
      static Node parse​(java.lang.String expr, VariableDeclarations variables, MacroDeclarations macros)
      Tries to parse and compile a program from the textual representation in expr while exposing the variables and marcos
      short[][] production_table()
      Access to production table.
      short[][] reduce_table()
      Access to reduce_goto table.
      void setMacros​(MacroDeclarations macros)
      Sets the macro declarations for the program
      void setVariables​(VariableDeclarations variables)
      Sets the variable declarations for the program
      int start_production()
      Indicates start production.
      int start_state()
      Indicates start state.
      void unrecovered_syntax_error​(java_cup.runtime.Symbol token)  

      • Methods inherited from class java_cup.runtime.lr_parser

        debug_message, debug_parse, debug_reduce, debug_shift, debug_stack, done_parsing, dump_stack, expected_token_ids, getScanner, getSymbolFactory, parse, report_error, report_fatal_error, scan, setScanner, symbl_name_from_id, syntax_error, user_init

      • Methods inherited from class java.lang.Object

        equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • 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 java.lang.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

      • do_action

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

      • setVariables

        public void setVariables​(VariableDeclarations variables)
        Sets the variable declarations for the program
        Parameters:
        variables - the variables that should be exposed to the program

      • setMacros

        public void setMacros​(MacroDeclarations macros)
        Sets the macro declarations for the program
        Parameters:
        macros - the macros that should be exposed to the program

      • getRoot

        public Node getRoot()
        Returns the root node of the program
        Returns:
        the root node

      • parse

        public static Node parse​(java.lang.String expr,
                         VariableDeclarations variables,
                         MacroDeclarations macros)
                  throws java.lang.Exception
        Tries to parse and compile a program from the textual representation in expr while exposing the variables and marcos
        Parameters:
        expr - the expression to be compiled in textual form
        variables - the variables exposed to the program
        macros - the macros exposed to the program
        Returns:
        the root node of the compiled program
        Throws:
        java.lang.Exception - if an error occurs during compilation

      • unrecovered_syntax_error

        public void unrecovered_syntax_error​(java_cup.runtime.Symbol token)
                              throws SyntaxException
        Overrides:
        unrecovered_syntax_error in class java_cup.runtime.lr_parser
        Throws:
        SyntaxException