[Guile-commits] 09/36: symbol default value procedures

[Robin Templeton]

bpt pushed a commit to branch wip-elisp-rebased
in repository guile.

commit a2657bfc5a1bf7dc833c2c69f234068a56231cba
Author: Robin Templeton <robin@terpri.org>
AuthorDate: Tue Jun 24 00:01:56 2014 -0400

    symbol default value procedures
    
    (Best-ability ChangeLog annotation added by Christine Lemmer-Webber.)
    
    * module/language/elisp/runtime.scm:
      (symbol-default-bound?, symbol-default-value, set-symbol-default-value!):
      New procedure aliases.  Export their symbols.
      (emacs!): Update to accept new parameters dref, dset, dboundp.
---
 module/language/elisp/runtime.scm | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/module/language/elisp/runtime.scm 
b/module/language/elisp/runtime.scm
index bedb15a8a..ff01520ac 100644
--- a/module/language/elisp/runtime.scm
+++ b/module/language/elisp/runtime.scm
@@ -37,6 +37,9 @@
             set-symbol-plist!
             symbol-bound?
             symbol-fbound?
+            symbol-default-bound?
+            symbol-default-value
+            set-symbol-default-value!
             bind-symbol
             makunbound!
             fmakunbound!
@@ -193,6 +196,12 @@
               (dynamic-bound? (variable-ref var))
               #t)))))
 
+(define symbol-default-bound? symbol-bound?)
+
+(define symbol-default-value symbol-value)
+
+(define set-symbol-default-value! set-symbol-value!)
+
 (define (symbol-fbound? symbol)
   (set! symbol (schemify symbol))
   (and
@@ -225,10 +234,13 @@
   (vector-set! (symbol-desc sym) 3 1)
   #nil)
 
-(define (emacs! ref set boundp bind)
+(define (emacs! ref set boundp dref dset dboundp bind)
   (set! symbol-value ref)
   (set! set-symbol-value! set)
   (set! symbol-bound? boundp)
+  (set! symbol-default-value dref)
+  (set! set-symbol-default-value! dset)
+  (set! symbol-default-bound? dboundp)
   (set! bind-symbol bind)
   (set! lexical-binding? (lambda () (symbol-value 'lexical-binding)))
   (set! set-lexical-binding-mode (lambda (x) (set-symbol-value! 
'lexical-binding x))))