You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
|
|
|
|
#lang racket
|
|
|
|
|
(require racket/class)
|
|
|
|
|
(provide (all-defined-out))
|
|
|
|
|
|
|
|
|
|
(define (indenter t pos)
|
|
|
|
|
(with-handlers ([exn:fail? (λ (exn) #f)]) ; this function won't work until gui-lib 1.26
|
|
|
|
|
(send t compute-racket-amount-to-indent pos (λ(x)
|
|
|
|
|
(case x
|
|
|
|
|
[("with-pattern"
|
|
|
|
|
"with-shared-id"
|
|
|
|
|
"pattern-case"
|
|
|
|
|
"pattern-case-filter") 'lambda]
|
|
|
|
|
[("define-macro"
|
|
|
|
|
"define-macro-cases"
|
|
|
|
|
"define-cases"
|
|
|
|
|
"while"
|
|
|
|
|
"until") 'define]
|
|
|
|
|
[else #f])))))
|
|
|
|
|
|
|
|
|
|
(define (br-get-info key default-value proc)
|
|
|
|
|
(define (fallback) (if proc (proc key default-value) default-value))
|
|
|
|
|
(define (try-dynamic-require lib export)
|
|
|
|
|
(with-handlers ([exn:missing-module?
|
|
|
|
|
(λ (x) (case key
|
|
|
|
|
[(drracket:indentation) indenter]
|
|
|
|
|
[else (fallback)]))])
|
|
|
|
|
(dynamic-require lib export)))
|
|
|
|
|
(case key
|
|
|
|
|
[(color-lexer)
|
|
|
|
|
(try-dynamic-require 'syntax-color/scribble-lexer 'scribble-lexer)]
|
|
|
|
|
[(drracket:indentation)
|
|
|
|
|
(try-dynamic-require 'scribble/private/indentation 'determine-spaces)]
|
|
|
|
|
[(drracket:keystrokes)
|
|
|
|
|
(try-dynamic-require 'scribble/private/indentation 'keystrokes)]
|
|
|
|
|
[else (fallback)]))
|
