类 Parser

java.lang.Object
java_cup.runtime.lr_parser
weka.core.mathematicalexpression.Parser

public class Parser extends java_cup.runtime.lr_parser
CUP v0.11a beta 20060608 generated parser.
版本:
Sun Jan 11 11:41:39 NZDT 2009
  • 字段概要

    从类继承的字段 java_cup.runtime.lr_parser

    symbolFactory
  • 构造器概要

    构造器
    构造器
    说明
    Default constructor.
    Parser(java_cup.runtime.Scanner s)
    Constructor which sets the default scanner.
    Parser(java_cup.runtime.Scanner s, java_cup.runtime.SymbolFactory sf)
    Constructor which sets the default scanner.
  • 方法概要

    修饰符和类型
    方法
    说明
    short[][]
    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 Symbol index.
    int
    error Symbol index.
    Returns the result of the evaluation.
    Returns the current variable - value relation in use.
    static void
    main(String[] args)
    Runs the parser from commandline.
    short[][]
    Access to production table.
    short[][]
    Access to reduce_goto table.
    void
    Sets the result of the evaluation.
    void
    Sets the variable - value relation to use.
    int
    Indicates start production.
    int
    Indicates start state.

    从类继承的方法 java_cup.runtime.lr_parser

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

    从类继承的方法 java.lang.Object

    equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
  • 构造器详细资料

    • Parser

      public Parser()
      Default constructor.
    • Parser

      public Parser(java_cup.runtime.Scanner s)
      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.
  • 方法详细资料

    • production_table

      public short[][] production_table()
      Access to production table.
      指定者:
      production_table 在类中 java_cup.runtime.lr_parser
    • action_table

      public short[][] action_table()
      Access to parse-action table.
      指定者:
      action_table 在类中 java_cup.runtime.lr_parser
    • reduce_table

      public short[][] reduce_table()
      Access to reduce_goto table.
      指定者:
      reduce_table 在类中 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.
      指定者:
      do_action 在类中 java_cup.runtime.lr_parser
      抛出:
      Exception
    • start_state

      public int start_state()
      Indicates start state.
      指定者:
      start_state 在类中 java_cup.runtime.lr_parser
    • start_production

      public int start_production()
      Indicates start production.
      指定者:
      start_production 在类中 java_cup.runtime.lr_parser
    • EOF_sym

      public int EOF_sym()
      EOF Symbol index.
      指定者:
      EOF_sym 在类中 java_cup.runtime.lr_parser
    • error_sym

      public int error_sym()
      error Symbol index.
      指定者:
      error_sym 在类中 java_cup.runtime.lr_parser
    • setSymbols

      public void setSymbols(HashMap value)
      Sets the variable - value relation to use.
      参数:
      value - the variable-value relation
    • getSymbols

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

      public void setResult(Double value)
      Sets the result of the evaluation.
      参数:
      value - the result
    • getResult

      public Double getResult()
      Returns the result of the evaluation.
      返回:
      the result
    • 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 <semi-colon separated list of variable/value pairs> as first parameter one can provide predefined variable values. E.g.: -symbols "Y=10;X=3" "X+Y"
      参数:
      args - the commandline arguments
      抛出:
      Exception - if something goes wrong