From de6fc09551730fe87f7f3d6f532bafd189c97236 Mon Sep 17 00:00:00 2001
From: Jose Antonio Ortega Ruiz <jao@gnu.org>
Date: Wed, 24 Oct 2012 05:17:34 +0200
Subject: Completing file names at the REPL, but only in string contexts

---
 NEWS                   | 1 +
 elisp/geiser-repl.el   | 4 +++-
 elisp/geiser-syntax.el | 3 +++
 3 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/NEWS b/NEWS
index 290d0b3..6458861 100644
--- a/NEWS
+++ b/NEWS
@@ -1,5 +1,6 @@
 * Version 0.2.3 ()
 
+  - TAB in a string context in the REPL triggers filename completion.
   - Indentation of scheme forms improved (specially for those of you
     using a single implementation).
 
diff --git a/elisp/geiser-repl.el b/elisp/geiser-repl.el
index dce6143..1a83565 100644
--- a/elisp/geiser-repl.el
+++ b/elisp/geiser-repl.el
@@ -15,6 +15,7 @@
 (require 'geiser-autodoc)
 (require 'geiser-edit)
 (require 'geiser-completion)
+(require 'geiser-syntax)
 (require 'geiser-impl)
 (require 'geiser-eval)
 (require 'geiser-connection)
@@ -546,7 +547,8 @@ buffer."
   (interactive "p")
   (if (>= (point) (geiser-repl--last-prompt-end))
       (or (completion-at-point)
-          (comint-replace-by-expanded-filename)
+          (and (geiser-syntax--in-string-p)
+               (comint-replace-by-expanded-filename))
           (lisp-indent-line))
     (compilation-next-error n)))
 
diff --git a/elisp/geiser-syntax.el b/elisp/geiser-syntax.el
index 46ee350..46374a2 100644
--- a/elisp/geiser-syntax.el
+++ b/elisp/geiser-syntax.el
@@ -241,6 +241,9 @@ implementation-specific entries for font-lock-keywords.")
 (defsubst geiser-syntax--nesting-level ()
   (or (nth 0 (syntax-ppss)) 0))
 
+(defsubst geiser-syntax--in-string-p ()
+  (nth 3 (syntax-ppss)))
+
 (defsubst geiser-syntax--pair-length (p)
   (if (cdr (last p)) (1+ (safe-length p)) (length p)))
 
-- 
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