Package quickparse.parsing

Class RecursiveDescentParser

java.lang.Object

quickparse.parsing.RecursiveDescentParser

All Implemented Interfaces:

Parser

public class RecursiveDescentParser
extends java.lang.Object
implements Parser

Constructor Summary

Constructors

Constructor	Description
RecursiveDescentParser(Grammar grammar)

Method Summary

Modifier and Type	Method	Description
SyntaxTree	parse(java.lang.CharSequence source)	Parses a CharSequence starting from the proper axiom of a grammar
SyntaxTree	parse(java.lang.CharSequence source, java.lang.String axiom)	Parses a CharSequence starting from the specified construct of a grammar
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Details

RecursiveDescentParser

public RecursiveDescentParser(Grammar grammar) throws InfiniteLeftRecursionException

Throws:

InfiniteLeftRecursionException

Method Details

parse

public SyntaxTree parse(java.lang.CharSequence source, java.lang.String axiom) throws ExpectedSymbolsException, UnexpectedSymbolException

Description copied from interface: Parser

Parses a CharSequence starting from the specified construct of a grammar

Specified by:

parse in interface Parser

Parameters:

source - the source CharSequence to parse

axiom - the construct name to use as the axiom for the parsing process

Returns:

A SyntaxTree object

Throws:

ExpectedSymbolsException - if an expected symbol is not found at some position

UnexpectedSymbolException - if an unexpected symbol is found at the end of the source CharSequence

parse

public SyntaxTree parse(java.lang.CharSequence source) throws ExpectedSymbolsException, UnexpectedSymbolException

Description copied from interface: Parser

Parses a CharSequence starting from the proper axiom of a grammar

Specified by:

parse in interface Parser

Parameters:

source - the source CharSequence to parse

Returns:

A SyntaxTree object

Throws:

ExpectedSymbolsException - if an expected symbol is not found at some position

UnexpectedSymbolException - if an unexpected symbol is found at the end of the source CharSequence

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object