jmathlib.core.functions
Class FunctionParser

java.lang.Object
  jmathlib.core.interpreter.RootObject
      jmathlib.core.functions.FunctionParser

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, ErrorCodes, TokenConstants

public class FunctionParser
extends RootObject
implements TokenConstants, ErrorCodes

A class for parsing user functions. M-files contain either functions or they are script files. Script files are just a couple of commands which are typed into a text file

See Also:

Serialized Form

Field Summary

Fields inherited from interface jmathlib.core.constants.TokenConstants

ADDSUB_PRIORITY, AND_PRIORITY, ANDAND_PRIORITY, ASSIGN_PRIORITY, BRACKET_PRIORITY, COMPARE_PRIORITY, CONCAT, MATRIX, MULDIV_PRIORITY, OR_PRIORITY, OROR_PRIORITY, PARAMETER, POWER_PRIORITY, RELATION_PRIORITY, SINGLE, ttDelimiter, ttNotSet, ttOperand, ttOperator

Fields inherited from interface jmathlib.core.constants.ErrorCodes

ERR_BRACKET_OPEN, ERR_BRACKET_ORDER, ERR_FUNCTION_NOT_FOUND, ERR_FUNCTION_NOT_IMPLEMENTED, ERR_INSUFFICIENT_PARAMETERS, ERR_INVALID_PARAMETER, ERR_LVALUE_REQUIRED, ERR_MATRIX_SINGULAR, ERR_NOT_SQUARE_MATRIX, ERR_OPNOTSUPPORTED, ERR_TOO_MANY_PARAMETERS, ERR_USER_ERROR, ERR_VARIABLE_NOTDEFINED, OK, OK_FUNCTION_PROCESS

Constructor Summary

FunctionParser()
default constructor - creates the FunctionParser object with an empty expression string

Method Summary

UserFunction

parseFunction(java.lang.String expr) Parse a user function

Methods inherited from class jmathlib.core.interpreter.RootObject

clone, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

FunctionParser

public FunctionParser()

default constructor - creates the FunctionParser object with an empty expression string

Method Detail

parseFunction

public UserFunction parseFunction(java.lang.String expr)

Parse a user function

Parameters:

expression - the function as a string

Returns:

the UserFunction object created