5 open source projects by s-expressionists

an implementation-independent framework for creating Common Lisp compilers

Concrete Syntax Trees represent s-expressions with source information

Environment protocol for Common Lisp compilers.

Sources of the "Well Specified Common Lisp" specification which is based on the final draft of the Common Lisp standard but is not a new Common Lisp standard.

A portable Common Lisp reader that is highly customizable, can recover from errors and can return concrete syntax trees