org.exolab.castor.jdo.oql

Class Parser

public class Parser extends Object implements TokenTypes

Generates a parse tree for a stream of tokens representing an OQL query.

Version: $Revision: 1.4 $ $Date: 2005/11/04 20:48:20 $

Constructor Summary
	Parser(Lexer lexer) Creates a parser which will generate a parse tree from a series of tokens.

Method Summary
ParseTreeNode	getParseTree() Generates the parse tree for the tokens provided by the Lexer passed in the constructor.

Field Detail

Token _curToken

Lexer _lexer

Token _nextToken

public Parser(Lexer lexer)

Creates a parser which will generate a parse tree from a series of tokens.

Parameters: lexer Lexer instance.

Throws: InvalidCharException thrown by primeLexer. OQLSyntaxException thrown by primeLexer.

public ParseTreeNode getParseTree()

Generates the parse tree for the tokens provided by the Lexer passed in the constructor.

Returns: a ParseTreeNode representing the query.

Throws: InvalidCharException thrown by match. OQLSyntaxException thrown by match.