Index: src/org/armedbear/lisp/runtime-class.lisp =================================================================== --- src/org/armedbear/lisp/runtime-class.lisp (revision 14590) +++ src/org/armedbear/lisp/runtime-class.lisp (working copy) @@ -30,7 +30,7 @@ Method definitions are lists of the form (method-name return-type argument-types function &key modifiers annotations) where method-name is a string, return-type and argument-types are strings or keywords for - primitive types (:void, :int, etc.), and function is a Lisp function of minimum arity + primitive types (:void, :int, etc.), and function is a Lisp function designator of minimum arity (1+ (length argument-types)); the instance (`this') is passed in as the first argument. Field definitions are lists of the form (field-name type &key modifiers annotations)." @@ -116,59 +116,104 @@ (t (error "Unsupported return type: ~A" return-type)))) +(defun java::runtime-class-common-add-method-boxer (argument-types) + (let ((argc (length argument-types))) + ;;Allocate registers (2 * argc to load and store arguments + 2 to box "this") + (dotimes (i (* 2 (1+ argc))) + (allocate-register nil)) + ;;Box "this" (to be passed as the first argument to the Lisp function) + (aload 0) + (emit 'iconst_1) ;;true + (emit-invokestatic +abcl-java-object+ "getInstance" + (list +java-object+ :boolean) +lisp-object+) + (astore (1+ argc)) + ;;Box each argument + (loop + :for arg-type :in argument-types + :for i :from 1 + :do (progn + (cond + ((keywordp arg-type) + (error "Unsupported arg-type: ~A" arg-type)) + ((eq arg-type :int) :todo) + (t (aload i) + (emit 'iconst_1) ;;true + (emit-invokestatic +abcl-java-object+ "getInstance" + (list +java-object+ :boolean) +lisp-object+))) + (astore (+ i (1+ argc))))))) + +(defun java::runtime-class-common-add-method-return (argument-types return-type) + (let ((argc (length argument-types))) + (if (<= (1+ argc) call-registers-limit) + (progn + ;;Load the boxed this + (aload (1+ argc)) + ;;Load each boxed argument + (dotimes (i argc) + (aload (+ argc 2 i)))) + (error "execute(LispObject[]) is currently not supported"))) + (emit-call-execute (1+ (length argument-types))) + (java::emit-unbox-and-return return-type)) + +(defun java::runtime-class-add-normal-method-body (function class-file field-name argument-types return-type) + (java::runtime-class-common-add-method-boxer argument-types) + ;;Load the Lisp function from its static field + (emit-getstatic (class-file-class class-file) field-name +lisp-object+) + (java::runtime-class-common-add-method-return argument-types return-type)) + +(defun java::runtime-class-add-symbol-method-body (function class-file field-name argument-types return-type) + ;; symbol = org.armedbear.lisp.Packages.findPackage().findAccessibleSymbol() + (emit 'ldc (pool-add-string *pool* (package-name (symbol-package function)))) + (emit-invokestatic +lisp-packages+ + "findPackage" + (list +java-string+) + +lisp-package+) + (let* ((num-locals (* 2 (1+ (length argument-types)))) + (local-var-1-index (+ 0 num-locals)) + (local-var-2-index (+ 1 num-locals))) + (dotimes (i 2) (allocate-register nil)) + (astore local-var-1-index) + (aload local-var-1-index) + (emit 'ldc (pool-add-string *pool* (symbol-name function))) + (emit-invokevirtual +lisp-package+ + "findAccessibleSymbol" + (list +java-string+) + +lisp-symbol+) + (astore local-var-2-index) + (aload local-var-2-index)) + (java::runtime-class-common-add-method-boxer argument-types) + (java::runtime-class-common-add-method-return argument-types return-type)) + (defun java::runtime-class-add-methods (class-file methods) + "Lisp functions (lisp objects) are saved and referenced from + public static class fields, while symbols (function names) are + hardcoded into the method body to be funcalled. The user must + separately ensure the callee function is loaded/maintained within + the Lisp Interpreter. No additional handling is provided here for + serialising/deserialising the function definition. That means if + this class is loaded from a new Interpreter (for instance from a + class file), the method call will fail." (let (method-implementation-fields) (dolist (m methods) (destructuring-bind (name return-type argument-types function &key (modifiers '(:public)) annotations override) m (let* ((argument-types (mapcar #'java::canonicalize-java-type argument-types)) - (argc (length argument-types)) (return-type (java::canonicalize-java-type return-type)) (jmethod (make-jvm-method name return-type argument-types :flags modifiers)) (field-name (string (gensym name)))) (class-add-method class-file jmethod) - (let ((field (make-field field-name +lisp-object+ :flags '(:public :static)))) - (class-add-field class-file field) - (push (cons field-name function) method-implementation-fields)) + (unless (symbolp function) + (let ((field (make-field field-name +lisp-object+ :flags '(:public :static)))) + (class-add-field class-file field) + (push (cons field-name function) method-implementation-fields))) (when annotations (method-add-attribute jmethod (make-runtime-visible-annotations-attribute :list (mapcar #'parse-annotation annotations)))) (with-code-to-method (class-file jmethod) - ;;Allocate registers (2 * argc to load and store arguments + 2 to box "this") - (dotimes (i (* 2 (1+ argc))) - (allocate-register nil)) - ;;Box "this" (to be passed as the first argument to the Lisp function) - (aload 0) - (emit 'iconst_1) ;;true - (emit-invokestatic +abcl-java-object+ "getInstance" - (list +java-object+ :boolean) +lisp-object+) - (astore (1+ argc)) - ;;Box each argument - (loop - :for arg-type :in argument-types - :for i :from 1 - :do (progn - (cond - ((keywordp arg-type) - (error "Unsupported arg-type: ~A" arg-type)) - ((eq arg-type :int) :todo) - (t (aload i) - (emit 'iconst_1) ;;true - (emit-invokestatic +abcl-java-object+ "getInstance" - (list +java-object+ :boolean) +lisp-object+))) - (astore (+ i (1+ argc))))) - ;;Load the Lisp function from its static field - (emit-getstatic (class-file-class class-file) field-name +lisp-object+) - (if (<= (1+ argc) call-registers-limit) - (progn - ;;Load the boxed this - (aload (1+ argc)) - ;;Load each boxed argument - (dotimes (i argc) - (aload (+ argc 2 i)))) - (error "execute(LispObject[]) is currently not supported")) - (emit-call-execute (1+ (length argument-types))) - (java::emit-unbox-and-return return-type)) + (funcall (if (symbolp function) + 'java::runtime-class-add-symbol-method-body + 'java::runtime-class-add-normal-method-body) + function class-file field-name argument-types return-type)) (cond ((eq override t) (let ((super-method Index: src/org/armedbear/lisp/jvm-class-file.lisp =================================================================== --- src/org/armedbear/lisp/jvm-class-file.lisp (revision 14590) +++ src/org/armedbear/lisp/jvm-class-file.lisp (working copy) @@ -200,6 +200,7 @@ "org.armedbear.lisp.CompiledPrimitive") (define-class-name +lisp-eql-hash-table+ "org.armedbear.lisp.EqlHashTable") (define-class-name +lisp-hash-table+ "org.armedbear.lisp.HashTable") +(define-class-name +lisp-packages+ "org.armedbear.lisp.Packages") (define-class-name +lisp-package+ "org.armedbear.lisp.Package") (define-class-name +lisp-readtable+ "org.armedbear.lisp.Readtable") (define-class-name +lisp-stream+ "org.armedbear.lisp.Stream") @@ -1734,4 +1735,4 @@ |# -(provide '#:jvm-class-file) \ No newline at end of file +(provide '#:jvm-class-file)