com.github.zafarkhaja.semver.expr

Class ExpressionParser

java.lang.Object

com.github.zafarkhaja.semver.expr.ExpressionParser

All Implemented Interfaces:

Parser<Expression>

public class ExpressionParser
extends Object
implements Parser<Expression>

A parser for the SemVer Expressions.

Since:

0.7.0

Author:

Zafar Khaja (zafarkhaja@gmail.com)

Method Summary

Methods

Modifier and Type	Method and Description
static Parser<Expression>	newInstance() Creates and returns new instance of the ExpressionParser class.
Expression	parse(String input) Parses the SemVer Expressions.

Methods inherited from class java.lang.Object

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

Method Detail

newInstance

public static Parser<Expression> newInstance()

Creates and returns new instance of the ExpressionParser class.

This method implements the Static Factory Method pattern.

Returns:

a new instance of the ExpressionParser class

parse

public Expression parse(String input)

Parses the SemVer Expressions.

Specified by:

parse in interface Parser<Expression>

Parameters:

input - a string representing the SemVer Expression

Returns:

the AST for the SemVer Expressions

Throws:

LexerException - when encounters an illegal character

UnexpectedTokenException - when consumes a token of an unexpected type