;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2015 Andy Wingo <wingo@igalia.com>
+;;; Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com>
+;;; Copyright © 2017, 2018 Clément Lassieur <clement@lassieur.org>
;;;
;;; This file is part of GNU Guix.
;;;
#:use-module (guix packages)
#:use-module (guix records)
#:use-module (guix gexp)
+ #:use-module ((guix utils) #:select (source-properties->location))
#:autoload (texinfo) (texi-fragment->stexi)
#:autoload (texinfo serialize) (stexi->texi)
#:use-module (ice-9 match)
#:use-module (srfi srfi-35)
#:export (configuration-field
configuration-field-name
+ configuration-field-type
configuration-missing-field
configuration-field-error
+ configuration-field-serializer
+ configuration-field-getter
+ configuration-field-default-value-thunk
+ configuration-field-documentation
serialize-configuration
+ define-maybe
define-configuration
validate-configuration
generate-documentation
- serialize-field
- serialize-string
- serialize-name
- serialize-space-separated-string-list
- space-separated-string-list?
- serialize-file-name
- file-name?
- serialize-boolean
serialize-package))
;;; Commentary:
(documentation configuration-field-documentation))
(define (serialize-configuration config fields)
- (for-each (lambda (field)
- ((configuration-field-serializer field)
- (configuration-field-name field)
- ((configuration-field-getter field) config)))
- fields))
+ #~(string-append
+ #$@(map (lambda (field)
+ ((configuration-field-serializer field)
+ (configuration-field-name field)
+ ((configuration-field-getter field) config)))
+ fields)))
(define (validate-configuration config fields)
(for-each (lambda (field)
(configuration-field-name field) val))))
fields))
+(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)
+ (if (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 ...)
#,(id #'stem #'% #'stem)
#,(id #'stem #'make- #'stem)
#,(id #'stem #'stem #'?)
+ (%location #,(id #'stem #'-location)
+ (default (and=> (current-source-location)
+ source-properties->location))
+ (innate))
(field field-getter (default def))
...)
(define #,(id #'stem #'stem #'-fields)
#,(id #'stem #'stem #'-fields))
conf))))))))
-(define (uglify-field-name field-name)
- (let ((str (symbol->string field-name)))
- (string-concatenate
- (map string-titlecase
- (string-split (if (string-suffix? "?" str)
- (substring str 0 (1- (string-length str)))
- str)
- #\-)))))
-
-(define (serialize-field field-name val)
- (format #t "~a ~a\n" (uglify-field-name field-name) val))
-
(define (serialize-package field-name val)
- #f)
-
-(define (serialize-string field-name val)
- (serialize-field field-name val))
-
-(define (space-separated-string-list? val)
- (and (list? val)
- (and-map (lambda (x)
- (and (string? x) (not (string-index x #\space))))
- val)))
-(define (serialize-space-separated-string-list field-name val)
- (serialize-field field-name (string-join val " ")))
-
-(define (file-name? val)
- (and (string? val)
- (string-prefix? "/" val)))
-(define (serialize-file-name field-name val)
- (serialize-string field-name val))
-
-(define (serialize-boolean field-name val)
- (serialize-string field-name (if val "yes" "no")))
+ "")
;; A little helper to make it easier to document all those fields.
(define (generate-documentation documentation documentation-name)
(configuration-field-default-value-thunk f)
(lambda _ '%invalid))))
(define (show-default? val)
- (or (string? default) (number? default) (boolean? default)
+ (or (string? val) (number? val) (boolean? val)
(and (symbol? val) (not (eq? val '%invalid)))
(and (list? val) (and-map show-default? val))))
`(deftypevr (% (category