Package uk.co.cogitolearning.cogpar

Interface Summary

Interface	Description
ExpressionNode	An interface for expression nodes.
ExpressionNodeVisitor	An interface for the visitor design pattern.

Class Summary

Class	Description
AdditionExpressionNode	An ExpressionNode that handles additions and subtractions.
ConstantExpressionNode	An ExpressionNode that stores a constant value
ExponentiationExpressionNode	An ExpressionNode that handles exponentiation.
FunctionExpressionNode	An ExpressionNode that handles mathematical functions.
MultiplicationExpressionNode	An ExpressionNode that handles multiplications and divisions.
Parser	A parser for mathematical expressions.
SequenceExpressionNode	A base class for AdditionExpressionNode and MultiplicationExpressionNode.
SetVariable	A visitor that sets a variable with a specific name to a given value
Token	A token that is produced by Tokenizer and fed into Parser.parse A token consists of a token identifier, a string that the token was created from and the position in the input string that the token was found.
Tokenizer	A class for reading an input string and separating it into tokens that can be fed into Parser.
VariableExpressionNode	An ExpressionNode that stores a named variable

Exception Summary

Exception	Description
EvaluationException	A simple subclass of RuntimeException that indicates errors when trying to evaluate an expression.
ParserException	A simple subclass of RuntimeException that indicates errors when trying to parse the input to Parser.