(defvar byte-compiler-error-flag)
+(defun byte-compile-recurse-toplevel (form &optional non-toplevel-case)
+ "Implement `eval-when-compile' and `eval-and-compile'.
+Return the compile-time value of FORM."
+ ;; Macroexpand (not macroexpand-all!) form at toplevel in case it
+ ;; expands into a toplevel-equivalent `progn'. See CLHS section
+ ;; 3.2.3.1, "Processing of Top Level Forms". The semantics are very
+ ;; subtle: see test/automated/bytecomp-tests.el for interesting
+ ;; cases.
+ (setf form (macroexpand form byte-compile-macro-environment))
+ (if (eq (car-safe form) 'progn)
+ (cons 'progn
+ (mapcar (lambda (subform)
+ (byte-compile-recurse-toplevel
+ subform non-toplevel-case))
+ (cdr form)))
+ (funcall non-toplevel-case form)))
+
(defconst byte-compile-initial-macro-environment
'(
;; (byte-compiler-options . (lambda (&rest forms)
;; (apply 'byte-compiler-options-handler forms)))
(declare-function . byte-compile-macroexpand-declare-function)
(eval-when-compile . (lambda (&rest body)
- (list
- 'quote
- (byte-compile-eval
- (byte-compile-top-level
- (byte-compile-preprocess (cons 'progn body)))))))
+ (let ((result nil))
+ (byte-compile-recurse-toplevel
+ (cons 'progn body)
+ (lambda (form)
+ (setf result
+ (byte-compile-eval
+ (byte-compile-top-level
+ (byte-compile-preprocess form))))))
+ (list 'quote result))))
(eval-and-compile . (lambda (&rest body)
- ;; Byte compile before running it. Do it piece by
- ;; piece, in case further expressions need earlier
- ;; ones to be evaluated already, as is the case in
- ;; eieio.el.
- `(progn
- ,@(mapcar (lambda (exp)
- (let ((cexp
- (byte-compile-top-level
- (byte-compile-preprocess
- exp))))
- (eval cexp)
- cexp))
- body)))))
+ (byte-compile-recurse-toplevel
+ (cons 'progn body)
+ (lambda (form)
+ (let ((compiled (byte-compile-top-level
+ (byte-compile-preprocess form))))
+ (eval compiled)
+ compiled))))))
"The default macro-environment passed to macroexpand by the compiler.
Placing a macro here will cause a macro to have different semantics when
expanded by the compiler as when expanded by the interpreter.")
(t form)))
;; byte-hunk-handlers cannot call this!
-(defun byte-compile-toplevel-file-form (form)
- (let ((byte-compile-current-form nil)) ; close over this for warnings.
- (byte-compile-file-form (byte-compile-preprocess form t))))
+(defun byte-compile-toplevel-file-form (top-level-form)
+ (byte-compile-recurse-toplevel
+ top-level-form
+ (lambda (form)
+ (let ((byte-compile-current-form nil)) ; close over this for warnings.
+ (byte-compile-file-form (byte-compile-preprocess form t))))))
;; byte-hunk-handlers can call this.
(defun byte-compile-file-form (form)
interactive-only))
(t "."))))
(if (eq (car-safe (symbol-function (car form))) 'macro)
- (byte-compile-log-warning
- (format "Forgot to expand macro %s" (car form)) nil :error))
+ (progn
+ (debug)
+ (byte-compile-log-warning
+ (format "Forgot to expand macro %s in %S" (car form) form)
+ nil :error)))
(if (and handler
;; Make sure that function exists.
(and (functionp handler)
'face fail-face)))
(insert "\n"))))
+(defun test-byte-comp-compile-and-load (&rest forms)
+ (let ((elfile nil)
+ (elcfile nil))
+ (unwind-protect
+ (progn
+ (setf elfile (make-temp-file "test-bytecomp" nil ".el"))
+ (setf elcfile (make-temp-file "test-bytecomp" nil ".elc"))
+ (with-temp-buffer
+ (dolist (form forms)
+ (print form (current-buffer)))
+ (write-region (point-min) (point-max) elfile))
+ (let ((byte-compile-dest-file elcfile))
+ (byte-compile-file elfile t)))
+ (when elfile (delete-file elfile))
+ (when elcfile (delete-file elcfile)))))
+(put 'test-byte-comp-compile-and-load 'lisp-indent-function 0)
+
+(ert-deftest test-byte-comp-macro-expansion ()
+ (test-byte-comp-compile-and-load
+ '(progn (defmacro abc (arg) 1) (defun def () (abc 2))))
+ (should (equal (funcall 'def) 1)))
+
+(ert-deftest test-byte-comp-macro-expansion-eval-and-compile ()
+ (test-byte-comp-compile-and-load
+ '(eval-and-compile (defmacro abc (arg) -1) (defun def () (abc 2))))
+ (should (equal (funcall 'def) -1)))
+
+(ert-deftest test-byte-comp-macro-expansion-eval-when-compile ()
+ ;; Make sure we interpret eval-when-compile forms properly. CLISP
+ ;; and SBCL interpreter eval-when-compile (well, the CL equivalent)
+ ;; in the same way.
+ (test-byte-comp-compile-and-load
+ '(eval-when-compile
+ (defmacro abc (arg) -10)
+ (defun abc-1 () (abc 2)))
+ '(defmacro abc-2 () (abc-1))
+ '(defun def () (abc-2)))
+ (should (equal (funcall 'def) -10)))
+
+(ert-deftest test-byte-comp-macro-expand-lexical-override ()
+ ;; Intuitively, one might expect the defmacro to override the
+ ;; macrolet since macrolet's is explicitly called out as being
+ ;; equivalent to toplevel, but CLISP and SBCL both evaluate the form
+ ;; this way, so we should too.
+ (test-byte-comp-compile-and-load
+ '(require 'cl-lib)
+ '(cl-macrolet ((m () 4))
+ (defmacro m () 5)
+ (defun def () (m))))
+ (should (equal (funcall 'def) 4)))
;; Local Variables:
;; no-byte-compile: t
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