com.singularsys.jep

Interface Parser

All Superinterfaces:

JepComponent, java.io.Serializable

All Known Implementing Classes:

ConfigurableParser, ExtDocsTest.MyStructuredParser, NullParser, StandardConfigurableParser, StandardParser, StandardStructuredParser, StructuredParser

public interface Parser
extends JepComponent

Defines the methods a parser must implement.

Method Summary

Modifier and Type	Method and Description
Node	continueParse() Read the next equation from the stream.
Node	parse(java.io.Reader stream) Parse a single equation from a stream
void	restart(java.io.Reader stream) Restart the parser for reentrant parsing of multiple equations.

Methods inherited from interface com.singularsys.jep.JepComponent

getLightWeightInstance, init

Method Detail

parse

Node parse(java.io.Reader stream)
    throws ParseException

Parse a single equation from a stream

Parameters:

stream - input reader

Returns:

the root node of the expression tree

Throws:

ParseException - on syntax/gramatical error in input

restart

void restart(java.io.Reader stream)

Restart the parser for reentrant parsing of multiple equations.

Parameters:

stream - input stream

continueParse

Node continueParse()
            throws ParseException

Read the next equation from the stream. By default empty expressions should be silently ignored.

Returns:

the root node of the expression tree

Throws:

ParseException - on syntax/gramatical error in input