mirror of
https://github.com/Gnucash/gnucash.git
synced 2024-11-29 12:14:31 -06:00
6f9517845a
When a guile coder uses a variable but omits use-modules, this code will scan *all* available modules and offer the appropriate module name. Before: Unbound variable: gnc-build-url After: Unbound variable: gnc-build-url. Did you forget (use-module (sw_gnc_html))?
110 lines
4.0 KiB
Scheme
110 lines
4.0 KiB
Scheme
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
;;; core-utils.scm
|
|
;;; Guile module for core-utils
|
|
;;;
|
|
;;; Copyright 2006 Chris Shoemaker <c.shoemaker@cox.net>
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
;; This program is free software; you can redistribute it and/or
|
|
;; modify it under the terms of the GNU General Public License as
|
|
;; published by the Free Software Foundation; either version 2 of
|
|
;; the License, or (at your option) any later version.
|
|
;;
|
|
;; This program is distributed in the hope that it will be useful,
|
|
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
;; GNU General Public License for more details.
|
|
;;
|
|
;; You should have received a copy of the GNU General Public License
|
|
;; along with this program; if not, contact:
|
|
;;
|
|
;; Free Software Foundation Voice: +1-617-542-5942
|
|
;; 51 Franklin Street, Fifth Floor Fax: +1-617-542-2652
|
|
;; Boston, MA 02110-1301, USA gnu@gnu.org
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
|
|
|
(define-module (gnucash core-utils))
|
|
|
|
(eval-when (compile load eval expand)
|
|
(load-extension "libgnucash-guile" "gnc_guile_bindings_init"))
|
|
|
|
(use-modules (srfi srfi-26))
|
|
(use-modules (ice-9 match))
|
|
(use-modules (ice-9 i18n))
|
|
|
|
(export N_)
|
|
(export G_)
|
|
(export NG_)
|
|
(export C_)
|
|
(export load-and-reexport)
|
|
(export gnc:string-locale<?)
|
|
(export gnc:string-locale>?)
|
|
(export gnc:version)
|
|
|
|
;; loads modules and re-exports all its public interface into the
|
|
;; current module
|
|
(define-syntax load-and-reexport
|
|
(syntax-rules ()
|
|
((_ (mod ...) ...)
|
|
(begin
|
|
(use-modules (mod ...))
|
|
...
|
|
(module-use! (module-public-interface (current-module))
|
|
(resolve-interface '(mod ...)))
|
|
...))))
|
|
|
|
(load-and-reexport (sw_core_utils))
|
|
|
|
(define gnc:version (gnc-version))
|
|
|
|
;; gettext functions
|
|
(define G_ gnc:gettext)
|
|
(define NG_ gnc:ngettext)
|
|
(define C_ gnc:C-gettext)
|
|
(define N_ identity)
|
|
|
|
;; the following will define _ to call gnc:gettext for guile up to
|
|
;; 2.2. It may be removed in the future when minimum guile is 3.0.
|
|
(cond-expand
|
|
(guile-3)
|
|
(guile-2
|
|
(define-public (_ x)
|
|
(issue-deprecation-warning "Using _ to call gettext is disallowed in guile-3 and will be removed in the future. Use G_ instead.")
|
|
(gnc:gettext x))))
|
|
|
|
(define gnc:string-locale<? string-locale<?)
|
|
(define gnc:string-locale>? string-locale>?)
|
|
|
|
;; Custom unbound-variable exception printer: instead of generic "In
|
|
;; procedure module-lookup: Unbound variable: varname", it will first
|
|
;; search all available modules to identify missing (use-modules) in
|
|
;; header, and offer hint to add it. This is adapted from Guix source.
|
|
(define (known-variable-definition variable)
|
|
(define seen (make-hash-table))
|
|
(let lp ((modules (list (resolve-module '() #f #f #:ensure #f))) (retval '()))
|
|
(match modules
|
|
(() retval)
|
|
(((? (cut hash-ref seen <>)) . tail) (lp tail retval))
|
|
((head tail ...)
|
|
(hash-set! seen head #t)
|
|
(let ((next (append tail (hash-map->list (lambda (name module) module)
|
|
(module-submodules head)))))
|
|
(match (and=> (module-public-interface head)
|
|
(cut module-local-variable <> variable))
|
|
(#f (lp next retval))
|
|
(_ (lp next (cons (module-name head) retval)))))))))
|
|
|
|
(define (print-unbound-variable-error port key args default-printer)
|
|
(match args
|
|
((proc message (variable) _ ...)
|
|
(format port "Unbound variable: ~a. " variable)
|
|
(match (known-variable-definition variable)
|
|
(() (format port "It is a typo, or inaccessible in current module."))
|
|
((mod) (format port "Did you forget (use-module ~s)?" mod))
|
|
(modules (format port "It is defined in one of the following modules\n")
|
|
(for-each (cut format port "(use-module ~s)\n" <>) modules))))
|
|
(_ (default-printer))))
|
|
|
|
(set-exception-printer! 'unbound-variable print-unbound-variable-error)
|