Package dk.jonaslindstrom.arithmeticparser

Class Parser<NumberT>

java.lang.Object

dk.jonaslindstrom.arithmeticparser.Parser<NumberT>

Type Parameters:

NumberT -

public class Parser<NumberT>
extends Object

This class parses arithmetic expressions into reverse polish notation which makes them easy to evaluate. It supports basic arithmetic (+, -, *, /, ^) and parenthesis. It also supports user defined functions and variables to be assigned during evaluation.

Constructor Summary

Constructors

Constructor	Description
Parser(List<String> operators, NumberParser<NumberT> parser)	Create a new operator recognizing the given operators and using the given parser to convert numbers into the desired type.

Method Summary

Modifier and Type	Method	Description
static Parser<Double>	getDefault()	Return the default parser.
List<Token>	parse(String infix, List<String> variables, List<String> functions)	Parse the given expression given lists of names of user defined variables and functions.

Methods inherited from class java.lang.Object

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

Constructor Details

Parser

public Parser(List<String> operators,
 NumberParser<NumberT> parser)

Create a new operator recognizing the given operators and using the given parser to convert numbers into the desired type. Operators should be ordered with the least precedent first.

Parameters:

operators -

parser -

Method Details

getDefault

public static Parser<Double> getDefault()

Return the default parser.

Returns:

parse

public List<Token> parse(String infix,
 List<String> variables,
 List<String> functions)
                  throws ParseException

Parse the given expression given lists of names of user defined variables and functions.

Parameters:

infix -

variables -

functions -

Returns:

Throws:

ParseException