From 9ef09ff72b8c8a015b38a30334b00cb4cea15158 Mon Sep 17 00:00:00 2001
From: Jose Antonio Ortega Ruiz <jao@gnu.org>
Date: Sun, 27 Jun 2010 14:44:16 +0200
Subject: Better switch/import REPL commands.

---
 elisp/geiser-guile.el  | 13 ++++++++++++-
 elisp/geiser-racket.el | 11 ++++++++++-
 elisp/geiser-repl.el   | 17 ++++++++++++++++-
 3 files changed, 38 insertions(+), 3 deletions(-)

(limited to 'elisp')

diff --git a/elisp/geiser-guile.el b/elisp/geiser-guile.el
index cfcba80..fb49085 100644
--- a/elisp/geiser-guile.el
+++ b/elisp/geiser-guile.el
@@ -90,8 +90,18 @@ This function uses `geiser-guile-init-file' if it exists."
                (car (geiser-syntax--read-from-string module))) :f))
         (t :f)))
 
+(defun geiser-guile--module-cmd (module fmt &optional def)
+  (when module
+    (let* ((module (geiser-guile--get-module module))
+           (module (cond ((or (null module) (eq module :f)) def)
+                         (t (format "%s" module)))))
+      (and module (format fmt module)))))
+
+(defun geiser-guile--import-command (module)
+  (geiser-guile--module-cmd module ",i %s"))
+
 (defun geiser-guile--enter-command (module)
-  (and module (format ",m %s" (geiser-guile--get-module module))))
+  (geiser-guile--module-cmd module ",m %s" "(guile-user)"))
 
 (defun geiser-guile--symbol-begin (module)
   (if module
@@ -204,6 +214,7 @@ This function uses `geiser-guile-init-file' if it exists."
   (marshall-procedure geiser-guile--geiser-procedure)
   (find-module geiser-guile--get-module)
   (enter-command geiser-guile--enter-command)
+  (import-command geiser-guile--import-command)
   (find-symbol-begin geiser-guile--symbol-begin)
   (display-error geiser-guile--display-error)
   (display-help)
diff --git a/elisp/geiser-racket.el b/elisp/geiser-racket.el
index e5f8780..7f00810 100644
--- a/elisp/geiser-racket.el
+++ b/elisp/geiser-racket.el
@@ -113,7 +113,15 @@ This function uses `geiser-racket-init-file' if it exists."
   (save-excursion (skip-syntax-backward "^-()>") (point)))
 
 (defun geiser-racket--enter-command (module)
-  (and (stringp module) (format "(enter! (file %S))" module)))
+  (when (stringp module)
+    (cond ((zerop (length module)) "(enter! #f)")
+          ((file-name-absolute-p module) (format "(enter! (file %S))" module))
+          (t (format "(enter! %s)" module)))))
+
+(defun geiser-racket--import-command (module)
+  (and (stringp module)
+       (not (zerop (length module)))
+       (format "(require %s)" module)))
 
 (defconst geiser-racket--binding-forms
   '(for for/list for/hash for/hasheq for/and for/or
@@ -192,6 +200,7 @@ This function uses `geiser-racket-init-file' if it exists."
   (marshall-procedure geiser-racket--geiser-procedure)
   (find-module geiser-racket--get-module)
   (enter-command geiser-racket--enter-command)
+  (import-command geiser-racket--import-command)
   (find-symbol-begin geiser-racket--symbol-begin)
   (display-error geiser-racket--display-error)
   (display-help geiser-racket--external-help)
diff --git a/elisp/geiser-repl.el b/elisp/geiser-repl.el
index 3e52361..c9f3d26 100644
--- a/elisp/geiser-repl.el
+++ b/elisp/geiser-repl.el
@@ -251,6 +251,21 @@ module command as a string")
     (switch-to-geiser)
     (geiser-repl--send cmd)))
 
+(geiser-impl--define-caller geiser-repl--import-cmd import-command (module)
+  "Function taking a module designator and returning a REPL import
+module command as a string")
+
+(defun geiser-repl-import-module (&optional module)
+  "Import a given module in the current namespace."
+  (interactive)
+  (let* ((module (or module
+                     (geiser-completion--read-module "Import module: ")))
+         (cmd (and module
+                   (geiser-repl--import-cmd geiser-impl--implementation
+                                            module))))
+    (switch-to-geiser)
+    (geiser-repl--send cmd)))
+
 (defun geiser-repl-nuke ()
   "Try this command if the REPL becomes unresponsive."
   (interactive)
@@ -395,7 +410,7 @@ module command as a string")
    :enable (symbol-at-point))
   --
   ("Switch to module..." ("\C-c\C-m" "\C-cm") switch-to-geiser-module)
-  ("Load module" ("\C-c\C-l" "\C-cl") geiser-load-file)
+  ("Import module" ("\C-c\C-i" "\C-ci") geiser-repl-import-module)
   --
   ("Previous matching input" "\M-p" comint-previous-matching-input-from-input
    "Previous input matching current")
-- 
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