pazu

Documentation

Index

• func Parse(tokens []string) (interface{}, error)
• func Tokenize(sexp string) (tokens []string, err error)
• type Atom
• type List
• type Symbol
• type SyntaxError
  • func (e *SyntaxError) Error() string

Functions

func Parse

func Parse(tokens []string) (interface{}, error)

Parse takes an s-expression of string tokens and returns an abstract syntax tree. It returns a single item which may be an Atom (int, string, symbol) or a List.

func Tokenize

func Tokenize(sexp string) (tokens []string, err error)

Types

type Atom

type Atom struct {
	Value interface{}
}

type List

type List struct {
	Elements []interface{} // Elements may be Atoms or Lists
}

type Symbol

type Symbol string

type SyntaxError

type SyntaxError struct {
	Msg    string
	Line   int
	Column int
}

func (*SyntaxError) Error

func (e *SyntaxError) Error() string