Default to compiling to RTL

* module/ice-9/eval-string.scm (eval-string)
* module/language/tree-il/spec.scm (tree-il)
* module/scripts/compile.scm (compile)
* module/system/base/compile.scm (compile-file, read-and-compile)
* module/system/repl/common.scm (repl-compile, repl-prepare-eval-thunk):
  Default to compiling to RTL.

* module/language/rtl/spec.scm (rtl->value): Add value compiler.

module/ice-9/eval-string.scm

@@ -22,6 +22,7 @@
   #:use-module (system base compile)
   #:use-module (system base language)
   #:use-module (system vm program)
+  #:use-module (system vm objcode)
   #:replace (eval-string))
 
 (define (ensure-language x)
@@ -84,5 +85,6 @@
               (set-port-column! port line))
 
           (if (or compile? (not (language-evaluator lang)))
-              ((make-program (read-and-compile port #:from lang #:to 'objcode)))
+              ((load-thunk-from-memory
+                (read-and-compile port #:from lang #:to 'rtl)))
               (read-and-eval port #:lang lang))))))))

module/language/rtl/spec.scm

@@ -20,12 +20,23 @@
 
 (define-module (language rtl spec)
   #:use-module (system base language)
+  #:use-module (system vm objcode)
   #:use-module (ice-9 binary-ports)
   #:export (rtl))
 
+(define (rtl->value x e opts)
+  (let ((thunk (load-thunk-from-memory x)))
+    (if (eq? e (current-module))
+        ;; save a cons in this case
+        (values (thunk) e e)
+        (save-module-excursion
+         (lambda ()
+           (set-current-module e)
+           (values (thunk) e e))))))
+
 (define-language rtl
   #:title	"Register Transfer Language"
-  #:compilers   '()
+  #:compilers   `((value . ,rtl->value))
   #:printer	(lambda (rtl port) (put-bytevector port rtl))
   #:reader      get-bytevector-all
   #:for-humans? #f)

module/language/tree-il/spec.scm

@@ -44,7 +44,7 @@
   #:printer	write-tree-il
   #:parser      parse-tree-il
   #:joiner      join
-  #:compilers   `((glil . ,compile-glil)
-                  (cps . ,compile-cps))
+  #:compilers   `((cps . ,compile-cps)
+                  (glil . ,compile-glil))
   #:for-humans? #f
   )

module/scripts/compile.scm

@@ -1,6 +1,6 @@
 ;;; Compile --- Command-line Guile Scheme compiler  -*- coding: iso-8859-1 -*-
 
-;; Copyright 2005,2008,2009,2010,2011 Free Software Foundation, Inc.
+;; Copyright 2005,2008,2009,2010,2011,2013 Free Software Foundation, Inc.
 ;;
 ;; This program is free software; you can redistribute it and/or
 ;; modify it under the terms of the GNU Lesser General Public License
@@ -139,7 +139,7 @@ There is NO WARRANTY, to the extent permitted by law.~%"))
                                 (cons #:O o)
                                 o)))
          (from            (or (assoc-ref options 'from) 'scheme))
-         (to              (or (assoc-ref options 'to) 'objcode))
+         (to              (or (assoc-ref options 'to) 'rtl))
          (target          (or (assoc-ref options 'target) %host-type))
 	 (input-files     (assoc-ref options 'input-files))
 	 (output-file     (assoc-ref options 'output-file))

module/system/base/compile.scm

@@ -133,7 +133,7 @@
 (define* (compile-file file #:key
                        (output-file #f)
                        (from (current-language))
-                       (to 'objcode)
+                       (to 'rtl)
                        (env (default-environment from))
                        (opts '())
                        (canonicalization 'relative))
@@ -207,7 +207,7 @@
 
 (define* (read-and-compile port #:key
                            (from (current-language))
-                           (to 'objcode)
+                           (to 'rtl)
                            (env (default-environment from))
                            (opts '()))
   (let ((from (ensure-language from))

module/system/repl/common.scm

@@ -25,6 +25,7 @@
   #:use-module (system base language)
   #:use-module (system base message)
   #:use-module (system vm program)
+  #:use-module (system vm objcode)
   #:autoload (language tree-il optimize) (optimize)
   #:use-module (ice-9 control)
   #:use-module (ice-9 history)
@@ -176,7 +177,7 @@ See <http://www.gnu.org/licenses/lgpl.html>, for more details.")
 (define (repl-compile repl form)
   (let ((from (repl-language repl))
         (opts (repl-compile-options repl)))
-    (compile form #:from from #:to 'objcode #:opts opts
+    (compile form #:from from #:to 'rtl #:opts opts
              #:env (current-module))))
 
 (define (repl-expand repl form)
@@ -205,7 +206,7 @@ See <http://www.gnu.org/licenses/lgpl.html>, for more details.")
              (or (null? (language-compilers (repl-language repl)))
                  (repl-option-ref repl 'interp)))
         (lambda () (eval form (current-module)))
-        (make-program (repl-compile repl form)))))
+        (load-thunk-from-memory (repl-compile repl form)))))
 
 (define (repl-eval repl form)
   (let ((thunk (repl-prepare-eval-thunk repl form)))