Guile: using meta-commands to talk with Guile

3 files changed, 52 insertions, 44 deletions

diff --git a/elisp/geiser-guile.el b/elisp/geiser-guile.el
index 3e1c03f..e07fb1b 100644
--- a/elisp/geiser-guile.el
+++ b/elisp/geiser-guile.el
@@ -113,17 +113,25 @@ This function uses `geiser-guile-init-file' if it exists."
 
 
 ;;; Evaluation support:
+(defun geiser-guile--linearize (str)
+  (if (string-match "\n" str)
+      (with-temp-buffer
+        (insert str)
+        (subst-char-in-region (point-min) (point-max) ?\n ? t)
+        (buffer-string))
+    str))
+
+(defsubst geiser-guile--linearize-args (args)
+  (mapconcat 'geiser-guile--linearize args " "))
 
 (defun geiser-guile--geiser-procedure (proc &rest args)
   (case proc
-    ((eval compile) (format "((@ (geiser emacs) ge:compile) '%s '%s)"
-                            (mapconcat 'identity (cdr args) " ")
-                            (or (car args) "#f")))
-    ((load-file compile-file)
-     (format "((@ (geiser emacs) ge:%s) %s)" proc (car args)))
-    ((no-values) "((@ (guile) values))")
-    (t (format "(apply (@ (geiser emacs) ge:%s) (list %s))"
-               proc (mapconcat 'identity args "")))))
+    ((eval compile) (format ",geiser-eval %s %s"
+                            (or (car args) "#f")
+                            (geiser-guile--linearize-args (cdr args))))
+    ((load-file compile-file) (format ",geiser-load-file %s" (car args)))
+    ((no-values) ",geiser-no-values")
+    (t (format "ge:%s %s" proc (geiser-guile--linearize-args args)))))
 
 (defconst geiser-guile--module-re
   "(define-module +\\(([^)]+)\\)")
@@ -247,9 +255,10 @@ it spawn a server thread."
   (font-lock-add-keywords nil
                           `((,geiser-guile--path-rx 1
                                                     compilation-error-face)))
-  (geiser-eval--send/result
-   `(:scm ,(format "(set! %%load-path (cons %S %%load-path))"
-                   (expand-file-name "guile/" geiser-scheme-dir))))
+  (geiser-eval--send/wait
+   (format "(set! %%load-path (cons %S %%load-path))"
+           (expand-file-name "guile/" geiser-scheme-dir)))
+  (geiser-eval--send/wait ",use (geiser emacs)")
   (geiser-guile-update-warning-level))
 
 
diff --git a/scheme/guile/geiser/emacs.scm b/scheme/guile/geiser/emacs.scm
index af1a052..c3696f8 100644
--- a/scheme/guile/geiser/emacs.scm
+++ b/scheme/guile/geiser/emacs.scm
@@ -10,37 +10,31 @@
 ;; Start date: Sun Feb 08, 2009 18:39
 
 (define-module (geiser emacs)
-  #:re-export (ge:macroexpand
-               ge:compile-file
-               ge:load-file
-               ge:autodoc
-               ge:completions
-               ge:module-completions
-               ge:symbol-location
-               ge:generic-methods
-               ge:symbol-documentation
-               ge:module-exports
-               ge:module-location
-               ge:callers
-               ge:callees
-               ge:find-file)
-  #:export (ge:compile
-            ge:no-values
-            ge:newline)
   #:use-module (ice-9 match)
+  #:use-module (system repl command)
   #:use-module (geiser evaluation)
   #:use-module ((geiser modules) :renamer (symbol-prefix-proc 'ge:))
   #:use-module ((geiser completion) :renamer (symbol-prefix-proc 'ge:))
   #:use-module ((geiser xref) :renamer (symbol-prefix-proc 'ge:))
   #:use-module ((geiser doc) :renamer (symbol-prefix-proc 'ge:)))
 
-(define (ge:no-values) (values))
-(define ge:newline newline)
-
-(define (ge:compile form mod)
-  (match form
-    (`((@ (geiser emacs) . ,_) . ,_) (compile/no-warns form mod))
-    (_ (compile/warns form mod))))
-
-
-;;; emacs.scm ends here
+(define this-module (resolve-module '(geiser emacs)))
+
+(define-meta-command ((geiser-no-values geiser) repl)
+  "geiser-no-values
+No-op command used internally by Geiser."
+  (values))
+
+(define-meta-command ((geiser-eval geiser) repl mod form . args)
+  "geiser-eval
+Meta-command used by Geiser to evaluate and compile code."
+  (display form) (newline)
+  (if (null? args)
+      (ge:compile form mod)
+      (let ((proc (eval form this-module)))
+        (ge:eval `(,proc ,@args) mod))))
+
+(define-meta-command ((geiser-load-file geiser) repl file)
+  "geiser-load-file
+Meta-command used by Geiser to load and compile files."
+  (ge:compile-file file))
diff --git a/scheme/guile/geiser/evaluation.scm b/scheme/guile/geiser/evaluation.scm
index 1cc21a7..ef082db 100644
--- a/scheme/guile/geiser/evaluation.scm
+++ b/scheme/guile/geiser/evaluation.scm
@@ -10,8 +10,8 @@
 ;; Start date: Mon Mar 02, 2009 02:46
 
 (define-module (geiser evaluation)
-  #:export (compile/warns
-            compile/no-warns
+  #:export (ge:compile
+            ge:eval
             ge:macroexpand
             ge:compile-file
             ge:load-file
@@ -71,10 +71,7 @@
                    (set! result (thunk)))))))
     (write-result result output)))
 
-(define (compile/no-warns form module)
-  (compile* form module '()))
-
-(define (compile/warns form module)
+(define (ge:compile form module)
   (compile* form module compile-opts))
 
 (define (compile* form module-name opts)
@@ -92,6 +89,14 @@
                  (lambda vs (map object->string vs))))))
     (call-with-result ev)))
 
+(define (ge:eval form module-name)
+  (let* ((module (or (find-module module-name) (current-module)))
+         (ev (lambda ()
+               (call-with-values
+                   (lambda () (eval form module))
+                 (lambda vs (map object->string vs))))))
+    (call-with-result ev)))
+
 (define (ge:compile-file path)
   (call-with-result
    (lambda ()