regexparser

Documentation

Overview

Package parser provides a lisp parser.

expr   := '(' <expr>* ')' | <number> | <string> | <symbol>
number := /[+-]?[0-9]+/ <fraction>? <exponent>?
fraction := '.' /[0-9]+/
exponent := e /[0-9]+/
string := '"' <strcontent> '"'
strcontent := /[^"]+/ | '\' '"'
symbol := /[^[:space:]]+/

Index

• func NewReader() lisp.Reader
• func Parse(env *lisp.LEnv, print bool, text []byte) (bool, error)
• func ParseLVal(text []byte) ([]*lisp.LVal, int, error)

Functions

func NewReader

func NewReader() lisp.Reader

NewReader returns a lisp.Reader.

func Parse

func Parse(env *lisp.LEnv, print bool, text []byte) (bool, error)

Parse parses a lisp expression.

func ParseLVal

func ParseLVal(text []byte) ([]*lisp.LVal, int, error)

ParseLVal parses LVal values from text and returns them. The number of bytes read is returned along with any error that was encountered in parsing.