CUP Parser Generator for Java 10k · java_cup.parser

Modifier and Type	Field and Description
protected static final short[][]	_action_table Parse-action table.
protected static final short[][]	_production_table Production table.
protected static final short[][]	_reduce_table `reduce_goto` table.
protected CUP$parser$actions	action_obj Instance of action encapsulation class.

Access	Constructor and Description
public	parser() Default constructor.
public	parser(Scanner s) Constructor which sets the default scanner.

Method Summary

Modifier and Type	Method and Description
public short[][]	action_table() Implements abstract java_cup.runtime.lr_parser.action_table. Access to parse-action table.
public Symbol	do_action(int the internal index of the action to be performed. act_num, lr_parser the parser object we are acting for. parser, Stack<E> the parse stack of that object. stack, int the index of the top element of the parse stack. top) Implements abstract java_cup.runtime.lr_parser.do_action. Invoke a user supplied parse action.
public int	EOF_sym() Implements abstract java_cup.runtime.lr_parser.EOF_sym. `EOF` Symbol index.
public int	error_sym() Implements abstract java_cup.runtime.lr_parser.error_sym. `error` Symbol index.
protected void	init_actions() Implements abstract java_cup.runtime.lr_parser.init_actions. Action encapsulation object initializer.
public short[][]	production_table() Implements abstract java_cup.runtime.lr_parser.production_table. Access to production table.
public short[][]	reduce_table() Implements abstract java_cup.runtime.lr_parser.reduce_table. Access to `reduce_goto` table.
public void	report_error(String an error message. message, Object an extra object reserved for use by specialized subclasses. info) Overrides java_cup.runtime.lr_parser.report_error. Report a non fatal error (or warning).
public void	report_fatal_error(String an error message. message, Object an extra object reserved for use by specialized subclasses. info) Overrides java_cup.runtime.lr_parser.report_fatal_error. Report a fatal error.
public Symbol	scan() Overrides java_cup.runtime.lr_parser.scan. Scan to get the next Symbol.
public int	start_production() Implements abstract java_cup.runtime.lr_parser.start_production. Indicates start production.
public int	start_state() Implements abstract java_cup.runtime.lr_parser.start_state. Indicates start state.
public void	user_init() Overrides java_cup.runtime.lr_parser.user_init. User initialization code.

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

_production_table	back to summary
protected static final short[][] _production_table Production table.

_reduce_table	back to summary
protected static final short[][] _reduce_table `reduce_goto` table.

action_obj	back to summary
protected CUP$parser$actions action_obj Instance of action encapsulation class.

parser	back to summary
public parser() Default constructor.

parser	back to summary
public parser(Scanner s) Constructor which sets the default scanner.

Method Detail

action_table	back to summary
public short[][] action_table() Implements abstract java_cup.runtime.lr_parser.action_table. Access to parse-action table.

action_table

back to summary

public short[][] action_table()

Implements abstract java_cup.runtime.lr_parser.action_table.

Access to parse-action table.

do_action	back to summary
public Symbol do_action(int act_num, lr_parser parser, Stack<E> stack, int top) throws Exception Implements abstract java_cup.runtime.lr_parser.do_action. Invoke a user supplied parse action. Parameters act_num:int Doc from java_cup.runtime.lr_parser.do_action. the internal index of the action to be performed. parser:lr_parser Doc from java_cup.runtime.lr_parser.do_action. the parser object we are acting for. stack:Stack<E> Doc from java_cup.runtime.lr_parser.do_action. the parse stack of that object. top:int Doc from java_cup.runtime.lr_parser.do_action. the index of the top element of the parse stack.

do_action

back to summary

public Symbol do_action(int act_num, lr_parser parser, Stack<E> stack, int top) throws Exception

Implements abstract java_cup.runtime.lr_parser.do_action.

Invoke a user supplied parse action.

Parameters

act_num:int

Doc from java_cup.runtime.lr_parser.do_action.

the internal index of the action to be performed.

parser:lr_parser

Doc from java_cup.runtime.lr_parser.do_action.

the parser object we are acting for.

stack:Stack<E>

Doc from java_cup.runtime.lr_parser.do_action.

the parse stack of that object.

top:int

Doc from java_cup.runtime.lr_parser.do_action.

the index of the top element of the parse stack.

EOF_sym back to summary

EOF_sym	back to summary
public int EOF_sym() Implements abstract java_cup.runtime.lr_parser.EOF_sym. `EOF` Symbol index.

public int EOF_sym()

Implements abstract java_cup.runtime.lr_parser.EOF_sym.

EOF Symbol index.

error_sym back to summary

error_sym	back to summary
public int error_sym() Implements abstract java_cup.runtime.lr_parser.error_sym. `error` Symbol index.

public int error_sym()

Implements abstract java_cup.runtime.lr_parser.error_sym.

error Symbol index.

init_actions	back to summary
protected void init_actions() Implements abstract java_cup.runtime.lr_parser.init_actions. Action encapsulation object initializer.

init_actions

back to summary

protected void init_actions()

Implements abstract java_cup.runtime.lr_parser.init_actions.

Action encapsulation object initializer.

production_table	back to summary
public short[][] production_table() Implements abstract java_cup.runtime.lr_parser.production_table. Access to production table.

production_table

back to summary

public short[][] production_table()

Implements abstract java_cup.runtime.lr_parser.production_table.

Access to production table.

reduce_table back to summary

reduce_table	back to summary
public short[][] reduce_table() Implements abstract java_cup.runtime.lr_parser.reduce_table. Access to `reduce_goto` table.

public short[][] reduce_table()

Implements abstract java_cup.runtime.lr_parser.reduce_table.

Access to reduce_goto table.

report_error	back to summary
public void report_error(String message, Object info) Overrides java_cup.runtime.lr_parser.report_error. Doc from java_cup.runtime.lr_parser.report_error. Report a non fatal error (or warning). This method takes a message string and an additional object (to be used by specializations implemented in subclasses). Here in the base class a very simple implementation is provided which simply prints the message to System.err. Parameters message:String an error message. info:Object an extra object reserved for use by specialized subclasses.

report_error

back to summary

public void report_error(String message, Object info)

Overrides java_cup.runtime.lr_parser.report_error.

Doc from java_cup.runtime.lr_parser.report_error.

Report a non fatal error (or warning). This method takes a message string and an additional object (to be used by specializations implemented in subclasses). Here in the base class a very simple implementation is provided which simply prints the message to System.err.

Parameters

message:String: an error message.
info:Object: an extra object reserved for use by specialized subclasses.

report_fatal_error	back to summary
public void report_fatal_error(String message, Object info) Overrides java_cup.runtime.lr_parser.report_fatal_error. Doc from java_cup.runtime.lr_parser.report_fatal_error. Report a fatal error. This method takes a message string and an additional object (to be used by specializations implemented in subclasses). Here in the base class a very simple implementation is provided which reports the error then throws an exception. Parameters message:String an error message. info:Object an extra object reserved for use by specialized subclasses.

report_fatal_error

back to summary

public void report_fatal_error(String message, Object info)

Overrides java_cup.runtime.lr_parser.report_fatal_error.

Doc from java_cup.runtime.lr_parser.report_fatal_error.

Report a fatal error. This method takes a message string and an additional object (to be used by specializations implemented in subclasses). Here in the base class a very simple implementation is provided which reports the error then throws an exception.

Parameters