src/module-parse.lisp (code): Allow setting constraints without a fragment.

[sod] / src / module-output.lisp

diff --git a/src/module-output.lisp b/src/module-output.lisp
index fe04f2b7460a15fc2696672de8cf983503a2576f..78951768da3b9a1b1e08f495d8cfdc3ec7af1e46 100644 (file)
--- a/src/module-output.lisp
+++ b/src/module-output.lisp
@@ -114,12 +114,13 @@ (defmethod hook-output progn ((frag code-fragment-item) reason sequencer)
   (when (eq reason (code-fragment-reason frag))
     (dolist (constraint (code-fragment-constraints frag))
       (add-sequencer-constraint sequencer constraint))
   (when (eq reason (code-fragment-reason frag))
     (dolist (constraint (code-fragment-constraints frag))
       (add-sequencer-constraint sequencer constraint))

-    (add-sequencer-item-function sequencer (code-fragment-name frag)
-                                (lambda (stream)
-                                  (write (code-fragment frag)
-                                         :stream stream
-                                         :pretty nil
-                                         :escape nil)))))
+    (awhen (code-fragment-name frag)
+      (add-sequencer-item-function sequencer it
+                                  (lambda (stream)
+                                    (write (code-fragment frag)
+                                           :stream stream
+                                           :pretty nil
+                                           :escape nil))))))

 
 (defmethod hook-output progn ((module module) (reason (eql :h)) sequencer)
   (sequence-output (stream sequencer)
 
 (defmethod hook-output progn ((module module) (reason (eql :h)) sequencer)
   (sequence-output (stream sequencer)


@@ -212,6 +213,7 @@ (defun declare-output-type (reason pathname)
 
    The output file name will be constructed by merging the module's pathname
    with PATHNAME."
 
    The output file name will be constructed by merging the module's pathname
    with PATHNAME."

+  (pushnew reason *output-types*)

   (setf (get reason 'output-type) pathname))
 
 (export 'output-type-pathname)
   (setf (get reason 'output-type) pathname))
 
 (export 'output-type-pathname)


@@ -246,6 +248,51 @@ (defmethod module-output-file
                (make-pathname :directory nil
                               :defaults (module-name module)))))
 
                (make-pathname :directory nil
                               :defaults (module-name module)))))
 

+(export 'write-dependency-file)
+(defgeneric write-dependency-file (module reason output-dir)
+  (:documentation
+   "Write a dependency-tracking make(1) fragment.
+
+   Specifically, we've processed a MODULE for a particular REASON (a
+   symbol), and the user has requested that output be written to OUTPUT-DIR
+   (a pathname): determine a suitable output pathname and write a make(1)
+   fragment explaining that the output file we've made depends on all of the
+   files we had to read to load the module."))
+
+(defmethod write-dependency-file ((module module) reason output-dir)
+  (let* ((common-case
+         ;; Bletch.  We want to derive the filetype from the one we're
+         ;; given, but we need to determine the environment's preferred
+         ;; filetype case to do that.  Make a pathname and inspect it to
+         ;; find out how to do this.
+
+         (if (upper-case-p
+                          (char (pathname-type (make-pathname
+                                                :type "TEST"
+                                                :case :common))
+                                0))
+                         #'string-upcase
+                         #'string-downcase))
+
+        (outpath (output-type-pathname reason))
+        (deppath (make-pathname :type (concatenate 'string
+                                                   (pathname-type outpath)
+                                                   (funcall common-case
+                                                            "-DEP"))
+                                :defaults outpath))
+        (outfile (module-output-file module reason output-dir))
+        (depfile (module-output-file module deppath output-dir)))
+
+    (with-open-file (dep depfile
+                    :direction :output
+                    :if-exists :supersede
+                    :if-does-not-exist :create)
+      (format dep "### -*-makefile-*-~%~
+                  ~A:~{ \\~%   ~A~}~%"
+             outfile
+             (cons (module-name module)
+                   (module-files module))))))
+

 (define-clear-the-decks reset-output-types
   "Clear out the registered output types."
   (dolist (reason *output-types*) (remprop reason 'output-type))
 (define-clear-the-decks reset-output-types
   "Clear out the registered output types."
   (dolist (reason *output-types*) (remprop reason 'output-type))