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pollen/main-pre.rkt

34 lines
1.2 KiB
Racket

#lang racket/base
(require (only-in (planet mb/pollen/readability) ->list)
(only-in (planet mb/pollen/tools) trim)
(only-in (planet mb/pollen/predicates) whitespace?))
(provide (except-out (all-from-out racket/base) #%module-begin)
(rename-out [module-begin #%module-begin]))
(require (only-in scribble/text output))
(define-syntax-rule (module-begin expr ...)
(#%module-begin
; We want our module language to support require & provide
; which are only supported at the module level, so ...
; create a submodule to contain the input
; and export as needed
; doclang2_raw is a clone of scribble/doclang2 with decode disabled
; helpful because it collects & exports content via 'doc
(module pollen-inner (planet mb/pollen/lang/doclang2_raw)
(require (planet mb/pollen/tools) (planet mb/pollen/main-helper))
(require-and-provide-extras) ; brings in the project require files
expr ...) ; body of module
(require 'pollen-inner) ; provides 'doc
(define text (trim (->list doc) whitespace?)) ; if single line, text will be a string
(provide text (all-from-out 'pollen-inner))
(output text)))