io
Class Parser

java.lang.Object
  |
  +--java_cup.runtime.lr_parser
        |
        +--io.Parser

public class Parser
extends java_cup.runtime.lr_parser

CUP v0.10k generated parser.

Version:
Thu Jul 12 17:14:37 CEST 2001

Field Summary
protected static short[][] _action_table
          Parse-action table.
protected static short[][] _production_table
          Production table.
protected static short[][] _reduce_table
          reduce_goto table.
protected  io.CUP$Parser$actions action_obj
          Instance of action encapsulation class.
 
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, tos
 
Constructor Summary
Parser()
          Default constructor.
Parser(java_cup.runtime.Scanner s)
          Constructor which sets the default scanner.
 
Method Summary
 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.
protected  void init_actions()
          Action encapsulation object initializer.
 Expr parseExpression(java.lang.String expression)
          public method to parse a single expression
 SFC parseFile(java.io.File sourcefile)
          public method to parse a file
 short[][] production_table()
          Access to production table.
 short[][] reduce_table()
          Access to reduce_goto table.
 void report_error(java.lang.String message, java.lang.Object info)
           
 void report_fatal_error(java.lang.String message, java.lang.Object info)
           
 int start_production()
          Indicates start production.
 int start_state()
          Indicates start state.
 void syntax_error(java_cup.runtime.Symbol cur_token)
           
 void unrecovered_syntax_error(java_cup.runtime.Symbol cur_token)
           
 
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, find_recovery_config, get_action, get_reduce, getScanner, parse_lookahead, parse, read_lookahead, restart_lookahead, scan, setScanner, shift_under_error, try_parse_ahead, unpackFromStrings, user_init
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

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 io.CUP$Parser$actions action_obj
Instance of action encapsulation class.
Constructor Detail

Parser

public Parser()
Default constructor.

Parser

public Parser(java_cup.runtime.Scanner s)
Constructor which sets the default scanner.
Method Detail

production_table

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

action_table

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

reduce_table

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

init_actions

protected void init_actions()
Action encapsulation object initializer.
Overrides:
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,
                                         java.util.Stack stack,
                                         int top)
                                  throws java.lang.Exception
Invoke a user supplied parse action.
Overrides:
do_action in class java_cup.runtime.lr_parser

start_state

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

start_production

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

EOF_sym

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

error_sym

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

report_fatal_error

public void report_fatal_error(java.lang.String message,
                               java.lang.Object info)
                        throws ParseException
Overrides:
report_fatal_error in class java_cup.runtime.lr_parser

report_error

public void report_error(java.lang.String message,
                         java.lang.Object info)
Overrides:
report_error in class java_cup.runtime.lr_parser

syntax_error

public void syntax_error(java_cup.runtime.Symbol cur_token)
Overrides:
syntax_error in class java_cup.runtime.lr_parser

unrecovered_syntax_error

public void unrecovered_syntax_error(java_cup.runtime.Symbol cur_token)
                              throws ParseException
Overrides:
unrecovered_syntax_error in class java_cup.runtime.lr_parser

parseFile

public SFC parseFile(java.io.File sourcefile)
              throws java.lang.Exception
public method to parse a file
Returns:
abstract syntax tree with absynt.sfc as root
Throws:
java.Exception - when broken.

parseExpression

public Expr parseExpression(java.lang.String expression)
                     throws java.lang.Exception
public method to parse a single expression
Returns:
an absynt.Expr*
Throws:
java.Exception - when not parseable.