A parsing tool it implements a flexible lexer and a straightforward approach to analyze documents
Python Eacc is a parsing tool it implements a flexible lexer and a straightforward approach to analyze documents. It uses Python code to specify both lexer and grammar for a given document. Eacc can handle succinctly most parsing cases that existing Python parsing tools propose to address.
Documents are split into tokens and a token has a type when a sequence of tokens is matched it evaluates to a specific type then rematcned again against the existing rules. The types can be function objects it means patterns can be evaluated based on extern conditions.
The fact of it being possible to have a grammar rule associated to a type and the type being variable in the context of the program it makes eacc useful for some text analysis problems.