Package com.singularsys.jep.configurableparser.matchers

Class ArrayAccessGrammarMatcher

java.lang.Object

com.singularsys.jep.configurableparser.matchers.ArrayAccessGrammarMatcher

All Implemented Interfaces:

GrammarMatcher, java.io.Serializable

public class ArrayAccessGrammarMatcher
extends java.lang.Object
implements GrammarMatcher

Matches syntax for array element access a[3]. For multiple dimension arrays the syntax a[2][3] can be used.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
ArrayAccessGrammarMatcher(SymbolToken open, SymbolToken close)	Construct a matcher for array access.

Method Summary

Modifier and Type	Method	Description
void	init(Jep jep)	Delayed initialisation, this methods is called whenever components of the jep instance are changed.
Node	match(Lookahead2Iterator<Token> it, GrammarParser parser)	Test whether the input matches this pattern.

Methods inherited from class java.lang.Object

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

Constructor Detail

ArrayAccessGrammarMatcher

public ArrayAccessGrammarMatcher(SymbolToken open,
                                 SymbolToken close)

Construct a matcher for array access.

Parameters:

open - token representing the opening delimiter

close - token representing the closing delimiter

Method Detail

init

public void init(Jep jep)

Description copied from interface: GrammarMatcher

Delayed initialisation, this methods is called whenever components of the jep instance are changed.

Specified by:

init in interface GrammarMatcher

Parameters:

jep - the current jep instance.

match

public Node match(Lookahead2Iterator<Token> it,
                  GrammarParser parser)
           throws ParseException

Description copied from interface: GrammarMatcher

Test whether the input matches this pattern.

Specified by:

match in interface GrammarMatcher

Parameters:

it - An iterator inspecting the input

parser - the parser to use when evaluating sub expressions

Returns:

if matched returns a node representing the content, return null is does not match

Throws:

ParseException - if there is a syntactical error in the input.