edu.neu.ccs.parser
Class ParserContext

java.lang.Object
  edu.neu.ccs.parser.ParserContext

public class ParserContext

extends Object

The class ParserContext is a support class for the class BaseParser.

The class allows the critical "state" variables to be saved and restored in case the parse method of BaseParser is called recursively.

Currently the "state" variables are:

• data: the string being parsed
• next: the current position in the string being parsed
• let_variables: the current "let" variables

We reserve the right to change this support class in the future without a guarantee of backward compatibility. This class should not be used directly by clients of Java Power Tools.

Field Summary

private String	data The string being parsed.
private Hashtable	let_variables The current "let" variables.
private int	next The current position in the string being parsed.

Constructor Summary

ParserContext(String data, int next, Hashtable let_variables)
The constructor that saves the parser context.

Method Summary

String	data() Returns the string being parsed.
Hashtable	let_variables() Returns the current "let" variables.
int	next() Returns the current position in the string being parsed.

Methods inherited from class java.lang.Object

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

Field Detail

data

private String data

The string being parsed.

next

private int next

The current position in the string being parsed.

let_variables

private Hashtable let_variables

The current "let" variables.

Constructor Detail

ParserContext

public ParserContext(String data,
                     int next,
                     Hashtable let_variables)

The constructor that saves the parser context.

Method Detail

data

public String data()

Returns the string being parsed.

next

public int next()

Returns the current position in the string being parsed.

let_variables

public Hashtable let_variables()

Returns the current "let" variables.