diff options
Diffstat (limited to 'guix/utils.scm')
| -rw-r--r-- | guix/utils.scm | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/guix/utils.scm b/guix/utils.scm index e4e9d922e7..29ad09d9f7 100644 --- a/guix/utils.scm +++ b/guix/utils.scm @@ -20,6 +20,7 @@ ;;; Copyright © 2023 Janneke Nieuwenhuizen <janneke@gnu.org> ;;; Copyright © 2023 Zheng Junjie <873216071@qq.com> ;;; Copyright © 2023 Foundation Devices, Inc. <hello@foundationdevices.com> +;;; Copyright © 2024 Herman Rimm <herman@rimm.ee> ;;; ;;; This file is part of GNU Guix. ;;; @@ -38,6 +39,7 @@ (define-module (guix utils) #:use-module (guix config) + #:autoload (guix read-print) (object->string*) #:use-module (srfi srfi-1) #:use-module (srfi srfi-11) #:use-module (srfi srfi-26) @@ -145,6 +147,8 @@ go-to-location edit-expression delete-expression + insert-expression + find-definition-insertion-location filtered-port decompressed-port @@ -502,6 +506,32 @@ the trailing line is included in the edited expression." "Delete the expression specified by SOURCE-PROPERTIES." (edit-expression source-properties (const "") #:include-trailing-newline? #t)) +(define (insert-expression source-properties expr) + "Insert EXPR before the top-level expression specified by +SOURCE-PROPERTIES." + (let* ((expr (object->string* expr 0)) + (insert (lambda (str) + (string-append expr "\n\n" str)))) + (edit-expression source-properties insert))) + +(define (find-definition-insertion-location file term) + "Search in FILE for a top-level public definition whose defined term +alphabetically succeeds TERM. Return the location if found, or #f +otherwise." + (let ((search-term (symbol->string term))) + (call-with-input-file file + (lambda (port) + (do ((syntax (read-syntax port) + (read-syntax port))) + ((match (syntax->datum syntax) + (('define-public current-term _ ...) + (string> (symbol->string current-term) + search-term)) + ((? eof-object?) #t) + (_ #f)) + (and (not (eof-object? syntax)) + (syntax-source syntax)))))))) + ;;; ;;; Keyword arguments. |