;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2015 Andy Wingo <wingo@igalia.com>
+;;; Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com>
;;;
;;; This file is part of GNU Guix.
;;;
configuration-field-default-value-thunk
configuration-field-documentation
serialize-configuration
+ define-maybe
define-configuration
validate-configuration
generate-documentation
(configuration-field-name field) val))))
fields))
+(define (id ctx part . parts)
+ (let ((part (syntax->datum part)))
+ (datum->syntax
+ ctx
+ (match parts
+ (() part)
+ (parts (symbol-append part
+ (syntax->datum (apply id ctx parts))))))))
+
+(define-syntax define-maybe
+ (lambda (x)
+ (syntax-case x ()
+ ((_ stem)
+ (with-syntax
+ ((stem? (id #'stem #'stem #'?))
+ (maybe-stem? (id #'stem #'maybe- #'stem #'?))
+ (serialize-stem (id #'stem #'serialize- #'stem))
+ (serialize-maybe-stem (id #'stem #'serialize-maybe- #'stem)))
+ #'(begin
+ (define (maybe-stem? val)
+ (or (eq? val 'disabled) (stem? val)))
+ (define (serialize-maybe-stem field-name val)
+ (when (stem? val) (serialize-stem field-name val)))))))))
+
(define-syntax define-configuration
(lambda (stx)
- (define (id ctx part . parts)
- (let ((part (syntax->datum part)))
- (datum->syntax
- ctx
- (match parts
- (() part)
- (parts (symbol-append part
- (syntax->datum (apply id ctx parts))))))))
(syntax-case stx ()
((_ stem (field (field-type def) doc) ...)
(with-syntax (((field-getter ...)
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2017 Clément Lassieur <clement@lassieur.org>
+;;; Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com>
;;;
;;; This file is part of GNU Guix.
;;;
;;;
;;; Code:
-(define-syntax-rule (id ctx parts ...)
- "Assemble PARTS into a raw (unhygienic) identifier."
- (datum->syntax ctx (symbol-append (syntax->datum parts) ...)))
-
-(define-syntax define-maybe
- (lambda (x)
- (syntax-case x ()
- ((_ stem)
- (with-syntax
- ((stem? (id #'stem #'stem #'?))
- (maybe-stem? (id #'stem #'maybe- #'stem #'?))
- (serialize-stem (id #'stem #'serialize- #'stem))
- (serialize-maybe-stem (id #'stem #'serialize-maybe- #'stem)))
- #'(begin
- (define (maybe-stem? val)
- (or (eq? val 'disabled) (stem? val)))
- (define (serialize-maybe-stem field-name val)
- (when (stem? val) (serialize-stem field-name val)))))))))
-
(define-syntax define-all-configurations
(lambda (stx)
+ (define-syntax-rule (id ctx parts ...)
+ "Assemble PARTS into a raw (unhygienic) identifier."
+ (datum->syntax ctx (symbol-append (syntax->datum parts) ...)))
(define (make-pred arg)
(lambda (field target)
(and (memq (syntax->datum target) `(common ,arg)) field)))