support type and parameter annotations in definterface

Author: richhickey

src/clj/clojure/core_deftype.clj

@@ -20,8 +20,8 @@
   [name & sigs]
   (let [tag (fn [x] (or (:tag (meta x)) Object))
         psig (fn [[name [& args]]]
-               (vector name (vec (map tag args)) (tag name)))
-        cname (symbol (str (namespace-munge *ns*) "." name))]
+               (vector name (vec (map tag args)) (tag name) (map meta args)))
+        cname (with-meta (symbol (str (namespace-munge *ns*) "." name)) (meta name))]
     `(do (gen-interface :name ~cname :methods ~(vec (map psig sigs)))
          (import ~cname))))
 

src/clj/clojure/genclass.clj

@@ -622,14 +622,18 @@
        (when (seq extends)
          (into-array (map #(.getInternalName (asm-type %)) extends))))
     (add-annotations cv (meta name))
-    (doseq [[mname pclasses rclass] methods]
-      (. cv visitMethod (+ Opcodes/ACC_PUBLIC Opcodes/ACC_ABSTRACT)
-         (str mname)
-         (Type/getMethodDescriptor (asm-type rclass) 
-                                   (if pclasses
-                                     (into-array Type (map asm-type pclasses))
-                                     (make-array Type 0)))
-         nil nil))
+    (doseq [[mname pclasses rclass pmetas] methods]
+      (let [mv (. cv visitMethod (+ Opcodes/ACC_PUBLIC Opcodes/ACC_ABSTRACT)
+                  (str mname)
+                  (Type/getMethodDescriptor (asm-type rclass) 
+                                            (if pclasses
+                                              (into-array Type (map asm-type pclasses))
+                                              (make-array Type 0)))
+                  nil nil)]
+        (add-annotations mv (meta mname))
+        (dotimes [i (count pmetas)]
+          (add-annotations mv (nth pmetas i) i))
+        (. mv visitEnd)))
     (. cv visitEnd)
     [iname (. cv toByteArray)]))