Package com.gengoai.parsing

Interface Summary

Interface	Description
Expression	An expression encapsulates the result of parsing
GrammarRegistrable
Lexer	A Lexer tokenizes a string or resource into tokens.
PostfixHandler	Handler for postfix and infix expressions.
PrefixHandler	Handler for prefix expressions.
TokenDef	Defines a Tag and pattern representing a terminal token to be lexed.
TokenStream	A stream of tokens extracted via a Lexer allowing for single token look-ahead.

Class Summary

Class	Description
AbstractTokenStream	Abstract base token stream providing extracted tokens from a Lexer.
BaseExpression	Abstract Base Class for Expressions to implement.
BinaryInfixOperatorExpression	An Expression representing a binary operation, eg.
Evaluator<O>	An evaluator provides a switch-like interface for evaluating expressions.
Grammar	A grammar representing the rules for parsing.
ListExpression	The type List expression.
Parser	An implementation of a Pratt Parser inspired by Pratt Parsers: Expression Parsing Made Easy.
ParserGenerator	Generates a Parser objects that uses a pre-defined Grammar to parse the ParserTokens extracted using the pre-defined Lexer.
ParserToken	A token and its associated metadata extracted via a Lexer
TokenExpression
UnaryOperatorExpression	An Expression unary operator which contains a single expression value
ValueExpression	Generic value expression in which the value is stored using a Val to support arbitrary types.

Enum Summary

Enum	Description
CommonTypes	A enum of common Parser Token Types.

Exception Summary

Exception	Description
ParseException	Exception class indicating an error in parsing.