use guile eval for elisp tree-il

(Best-ability ChangeLog annotation added by Christopher Allan Webber.)

* module/language/elisp/boot.el (eval): Update with simplified definition.
* module/language/elisp/compile-tree-il.scm: Import "(language tree-il eval)".
  (eval-when-compile): Use eval-elisp.
  (defmacro): Use eval-tree-il.
* module/language/elisp/runtime.scm: Import "(language tree-il eval)".
  (eval-elisp): Use "eval" to evaluate compiled form within current-module.

module/language/elisp/boot.el

@@ -209,12 +209,7 @@
       f)))
 
 (defun eval (form)
-  (%funcall (@ (system base compile) compile)
-            form
-            (%funcall (@ (guile) symbol->keyword) 'from)
-            'elisp
-            (%funcall (@ (guile) symbol->keyword) 'to)
-            'value))
+  (%funcall (@ (language elisp runtime) eval-elisp) form))
 
 (defun %indirect-function (object)
   (cond

module/language/elisp/compile-tree-il.scm

@@ -30,6 +30,7 @@
   #:use-module (srfi srfi-11)
   #:use-module (srfi srfi-26)
   #:use-module (ice-9 format)
+  #:use-module (language tree-il eval)
   #:export (compile-tree-il
             compile-progn
             compile-eval-when-compile
@@ -462,7 +463,7 @@
                  (map compile-expr-1 args))))
 
 (defspecial eval-when-compile (loc args)
-  (make-const loc (compile `(progn ,@args) #:from 'elisp #:to 'value)))
+  (make-const loc (eval-elisp `(progn ,@args))))
 
 (define toplevel? (make-fluid))
 
@@ -786,7 +787,7 @@
                                           body))))
                   (make-const loc name))))
            (when (fluid-ref toplevel?)
-             (compile tree-il #:from 'tree-il #:to 'value))
+             (eval-tree-il tree-il))
            tree-il)))
     (else (report-error loc "bad defmacro" args))))
 

module/language/elisp/runtime.scm

@@ -22,6 +22,7 @@
   #:use-module (ice-9 format)
   #:use-module ((system base compile)
                 #:select (compile))
+  #:use-module (language tree-il eval)
   #:export (nil-value
             t-value
             value-slot-module
@@ -247,7 +248,7 @@
   (set! set-lexical-binding-mode (lambda (x) (set-symbol-value! 'lexical-binding x))))
 
 (define (eval-elisp form)
-  (compile form #:from 'elisp #:to 'value))
+  (eval (compile form #:from 'elisp #:to 'tree-il) (current-module)))
 
 (define (compile-elisp form)
   (compile (compile form #:from 'elisp #:to 'bytecode)