From a4358aa381d45b1c05bea5c8545a108a7bc20123 Mon Sep 17 00:00:00 2001
From: Jose Antonio Ortega Ruiz <jao@gnu.org>
Date: Mon, 2 Mar 2009 23:01:17 +0100
Subject: Autodoc enhancements:

  * Use argument names from guile-procedures.txt when available.
  * Highlihgt #:opt with a face of its own.
---
 elisp/geiser-autodoc.el | 16 ++++++++++++----
 elisp/geiser-repl.el    |  4 ++--
 elisp/geiser-syntax.el  | 12 +++++++-----
 3 files changed, 21 insertions(+), 11 deletions(-)

diff --git a/elisp/geiser-autodoc.el b/elisp/geiser-autodoc.el
index 4e8a5bf..d6424b4 100644
--- a/elisp/geiser-autodoc.el
+++ b/elisp/geiser-autodoc.el
@@ -46,6 +46,10 @@
   'font-lock-function-name-face
   geiser-autodoc "highlighting procedure name in autodoc messages")
 
+(geiser-custom--defface autodoc-optional-arg-marker
+  'font-lock-keyword-face
+  geiser-autodoc "highlighting #:opt marker in autodoc messages")
+
 (defcustom geiser-autodoc-delay 0.2
   "Delay before autodoc messages are fetched and displayed, in seconds."
   :type 'number
@@ -75,7 +79,8 @@ when `geiser-autodoc-display-module-p' is on."
   (if (equal (car geiser-autodoc--last) form) (cdr geiser-autodoc--last)
     (when form
       (let ((res (geiser-eval--send/result
-                  `(:eval ((:ge autodoc) (quote (:scm ,form)))))))
+                  `(:eval ((:ge autodoc) (quote (:scm ,form))))
+                  500)))
         (when (and res (listp res))
           (setq geiser-autodoc--last
                 (cons form
@@ -86,14 +91,17 @@ when `geiser-autodoc-display-module-p' is on."
 
 (defun geiser-autodoc--insert-arg (arg current pos)
   (let ((p (point))
-        (str (format "%s" (if (eq arg '\#:rest) "." arg))))
+        (str (format "%s" (if (eq arg '\#:rest) "." arg)))
+        (face (or (and (eq '\#:opt arg)
+                       'geiser-font-lock-autodoc-optional-arg-marker)
+                  (and (= current pos)
+                       'geiser-font-lock-autodoc-current-arg))))
     (insert str)
     (when (listp arg)
       (save-excursion
         (replace-regexp "(quote \\(.*\\))" "'\\1" nil p (point))
         (replace-string "nil" "()" t p (point))))
-    (when (= current pos)
-      (put-text-property p (point) 'face 'geiser-font-lock-autodoc-current-arg))))
+    (when face (put-text-property p (point) 'face face))))
 
 (defsubst geiser-autodoc--proc-name (proc module)
   (let ((str (if module
diff --git a/elisp/geiser-repl.el b/elisp/geiser-repl.el
index 9d01835..c542a66 100644
--- a/elisp/geiser-repl.el
+++ b/elisp/geiser-repl.el
@@ -132,7 +132,7 @@ REPL buffer."
     (apply 'make-comint-in-buffer `("Geiser REPL" ,(current-buffer) ,guile nil ,@args))
     (geiser-repl--wait-for-prompt 10000)
     (geiser-repl--history-setup)
-    (geiser-con--setup-connection (current-buffer) geiser-repl--prompt-regex)))
+    (geiser-con--setup-connection (current-buffer)  geiser-repl--prompt-regex)))
 
 (defun geiser-repl--process (&optional start)
   (or (and (buffer-live-p (geiser-repl--buffer))
@@ -175,7 +175,7 @@ REPL buffer."
   (goto-char (point-max))
   (comint-kill-region comint-last-input-start (point))
   (comint-redirect-cleanup)
-  (geiser-con--setup-connection geiser-repl--buffer))
+  (geiser-con--setup-connection geiser-repl--buffer geiser-repl--prompt-regex))
 
 
 ;;; geiser-repl mode:
diff --git a/elisp/geiser-syntax.el b/elisp/geiser-syntax.el
index e050503..01dd151 100644
--- a/elisp/geiser-syntax.el
+++ b/elisp/geiser-syntax.el
@@ -83,12 +83,14 @@
     (when (not (eq (char-after (point)) ?\())
       (skip-syntax-backward "-<>")
       (delete-region (point) (point-max)))
-    (let ((pps (parse-partial-sexp (point-min) (point))))
-      (when (nth 8 pps) ;; inside a comment or string
-        (delete-region (nth 8 pps) (point-max))))
+    (let ((p (nth 8 (syntax-ppss))))
+      (when p ;; inside a comment or string
+        (let ((str (nth 3 (syntax-ppss))))
+          (delete-region p (point-max))
+          (when str (insert "XXXpointXXX")))))
     (when (cond ((eq (char-after (1- (point))) ?\)) (geiser-syntax--del-sexp -1) t)
                 ((eq (char-after (point)) ?\() (delete-region (point) (point-max)) t)
-                ((memq (char-after (1- (point))) (list ?. ?@ ?, ?\' ?\` ?\#))
+                ((memq (char-after (1- (point))) (list ?. ?@ ?, ?\' ?\` ?\# ?\\))
                  (skip-syntax-backward "^-(")
                  (delete-region (point) (point-max))
                  t))
@@ -101,7 +103,7 @@
 (defsubst geiser-syntax--get-partial-sexp ()
   (unless (zerop (nth 0 (syntax-ppss)))
     (let* ((end (if (eq (char-after (point)) ?\() (1+ (point))
-                  (save-excursion (skip-syntax-forward "^-()") (point))))
+                  (save-excursion (skip-syntax-forward "^-\"<>()") (point))))
            (begin (save-excursion (beginning-of-defun) (point))))
       (geiser-syntax--complete-partial-sexp (current-buffer) begin end))))
 
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