Added separate compilation stubs.

scheme/Makefile.am

@@ -23,7 +23,8 @@ EXTRA_DIST=ikarus.boot.prebuilt ikarus.enumerations.ss \
   psyntax.compat.ss psyntax.config.ss psyntax.expander.ss \
   psyntax.internal.ss psyntax.library-manager.ss \
   unicode/unicode-char-cases.ss unicode/unicode-charinfo.ss \
-  ikarus.io.ss ikarus.time-and-date.ss 
+  ikarus.io.ss ikarus.time-and-date.ss \
+  ikarus.separate-compilation.ss
  
 all: $(nodist_pkglib_DATA)
 

scheme/Makefile.in

@@ -177,7 +177,8 @@ EXTRA_DIST = ikarus.boot.prebuilt ikarus.enumerations.ss \
   psyntax.compat.ss psyntax.config.ss psyntax.expander.ss \
   psyntax.internal.ss psyntax.library-manager.ss \
   unicode/unicode-char-cases.ss unicode/unicode-charinfo.ss \
-  ikarus.io.ss ikarus.time-and-date.ss 
+  ikarus.io.ss ikarus.time-and-date.ss \
+  ikarus.separate-compilation.ss
 
 revno = "$(shell sed 's/ .*//' ../.bzr/branch/last-revision 2>/dev/null)"
 CLEANFILES = $(nodist_pkglib_DATA) ikarus.config.ss

scheme/ikarus.compiler.ss

@@ -744,6 +744,8 @@
   body)
 |#
 
+(define scc-letrec (make-parameter #t))
+
 (define (optimize-letrec/scc x)
   (define who 'optimize-letrec/scc)
   (module (get-sccs-in-order)
@@ -2946,7 +2948,6 @@
     [else 
      (printf "    ~s\n" x)]))
 
-(define scc-letrec (make-parameter #t))
 
 (define (compile-core-expr->code p)
   (let* ([p (recordize p)]

scheme/ikarus.separate-compilation.ss

@@ -0,0 +1,18 @@
+
+(library (ikarus separate-compilation)
+  (export compile-library-to-port)
+  (import 
+    (except (ikarus) compile-library-to-port)
+    (only (ikarus.compiler) compile-core-expr-to-port)
+    (only (psyntax library-manager) current-library-expander))
+
+  (define (compile-library-to-port x p)
+    (let-values (((id name ver imp* vis* inv* 
+                   invoke-code visit-code export-subst export-env)
+                  ((current-library-expander) x)))
+      (printf "id=~s name=~s ver=~s imp*=~s vis*=~s inv*=~s\n"
+              id name ver imp* vis* inv*)
+      (fasl-write (list id name ver imp* vis* inv* export-subst export-env) p)
+      (compile-core-expr-to-port visit-code p)
+      (compile-core-expr-to-port invoke-code p))))
+

scheme/last-revision

@@ -1 +1 @@
-1389
+1390

scheme/makefile.ss

@@ -88,6 +88,8 @@
     "psyntax.config.ss"
     "psyntax.builders.ss"
     "psyntax.expander.ss"
+
+    "ikarus.separate-compilation.ss"
     "ikarus.load.ss"
     "ikarus.pretty-print.ss"
     "ikarus.cafe.ss"
@@ -1397,6 +1399,7 @@
     [scc-letrec i]
     [optimize-cp i]
     [optimize-level i]
+    [compile-library-to-port i]
   ))
 
 (define (macro-identifier? x) 

scheme/psyntax.library-manager.ss

@@ -154,13 +154,23 @@
             f
             (assertion-violation 'file-locator "not a procedure" f)))))
 
-  (define library-locator
+  (define (library-precompiled? x) #f)
+
+  (define (load-precompiled-library x) 
+    (error 'load-precompiled-library "not implemented"))
+
+  (define library-loader
     (make-parameter
       (lambda (x)
         (let ((file-name ((file-locator) x)))
-          (and (string? file-name)
-               (with-input-from-file file-name 
-                 read-annotated))))
+          (cond
+            [(not file-name) 
+             (assertion-violation #f "cannot file library" x)]
+            [(library-precompiled? file-name)
+             (load-precompiled-library file-name)]
+            [else 
+             ((current-library-expander) 
+              (with-input-from-file file-name read-annotated))])))
       (lambda (f)
         (if (procedure? f)
             f
@@ -186,15 +196,12 @@
         "circular attempt to import library was detected" name))
     (parameterize ((external-pending-libraries
                     (cons name (external-pending-libraries))))
-      (let ((lib-expr ((library-locator) name)))
-        (unless lib-expr 
-          (assertion-violation #f "cannot find library" name))
-        ((current-library-expander) lib-expr)
+      ((library-loader) name)
       (or (find-library-by
             (lambda (x) (equal? (library-name x) name)))
           (assertion-violation #f
             "handling external library did not yield the correct library"
-               name)))))
+             name))))
         
   (define (find-library-by-name name)
     (or (find-library-by