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-rw-r--r--lisp/emacs-lisp/bytecomp.el59
1 files changed, 54 insertions, 5 deletions
diff --git a/lisp/emacs-lisp/bytecomp.el b/lisp/emacs-lisp/bytecomp.el
index 72dbfd74b11..c0662a6d280 100644
--- a/lisp/emacs-lisp/bytecomp.el
+++ b/lisp/emacs-lisp/bytecomp.el
@@ -562,6 +562,28 @@ Each element is (INDEX . VALUE)")
(defvar byte-compile-depth 0 "Current depth of execution stack.")
(defvar byte-compile-maxdepth 0 "Maximum depth of execution stack.")
+;; These are use by comp.el to spill data out of here
+(cl-defstruct byte-to-native-function
+ "Named or anonymous function defined a top level."
+ name c-name data lap)
+(cl-defstruct byte-to-native-top-level
+ "All other top level forms."
+ form)
+(defvar byte-native-compiling nil
+ "Non nil while native compiling.")
+(defvar byte-native-for-bootstrap nil
+ "Non nil while compiling for bootstrap."
+ ;; During boostrap we produce both the .eln and the .elc together.
+ ;; Because the make target is the later this has to be produced as
+ ;; last to be resilient against build interruptions.
+)
+(defvar byte-to-native-lap-h nil
+ "Hash byte-code -> LAP.")
+(defvar byte-to-native-top-level-forms nil
+ "List of top level forms.")
+(defvar byte-to-native-output-file nil
+ "Temporary file containing the byte-compilation output.")
+
;;; The byte codes; this information is duplicated in bytecomp.c
@@ -954,7 +976,11 @@ CONST2 may be evaluated multiple times."
;; it within 2 bytes in the byte string).
(puthash value pc hash-table))
hash-table))
- (apply 'unibyte-string (nreverse bytes))))
+ (let ((bytecode (apply 'unibyte-string (nreverse bytes))))
+ (when byte-native-compiling
+ ;; Spill LAP for the native compiler here
+ (puthash bytecode lap byte-to-native-lap-h))
+ bytecode)))
;;; compile-time evaluation
@@ -2018,8 +2044,16 @@ The value is non-nil if there were no errors, nil if errors."
;; emacs-lisp files in the build tree are
;; recompiled). Previously this was accomplished by
;; deleting target-file before writing it.
- (rename-file tempfile target-file t))
- (or noninteractive (message "Wrote %s" target-file)))
+ (if byte-native-compiling
+ (if byte-native-for-bootstrap
+ ;; Defer elc final renaming.
+ (setf byte-to-native-output-file
+ (cons tempfile target-file))
+ (delete-file tempfile))
+ (rename-file tempfile target-file t)))
+ (or noninteractive
+ byte-native-compiling
+ (message "Wrote %s" target-file)))
;; This is just to give a better error message than write-region
(let ((exists (file-exists-p target-file)))
(signal (if exists 'file-error 'file-missing)
@@ -2193,6 +2227,10 @@ Call from the source buffer."
;; defalias calls are output directly by byte-compile-file-form-defmumble;
;; it does not pay to first build the defalias in defmumble and then parse
;; it here.
+ (when byte-native-compiling
+ ;; Spill output for the native compiler here
+ (push (make-byte-to-native-top-level :form form)
+ byte-to-native-top-level-forms))
(let ((print-escape-newlines t)
(print-length nil)
(print-level nil)
@@ -2646,6 +2684,16 @@ not to take responsibility for the actual compilation of the code."
;; If there's no doc string, provide -1 as the "doc string
;; index" so that no element will be treated as a doc string.
(if (not (stringp (documentation code t))) -1 4)))
+ (when byte-native-compiling
+ ;; Spill output for the native compiler here.
+ (push (if macro
+ (make-byte-to-native-top-level
+ :form `(defalias ',name '(macro . ,code) nil))
+ (make-byte-to-native-function :name name
+ :data code
+ :lap (gethash (aref code 1)
+ byte-to-native-lap-h)))
+ byte-to-native-top-level-forms))
;; Output the form by hand, that's much simpler than having
;; b-c-output-file-form analyze the defalias.
(byte-compile-output-docform
@@ -5101,7 +5149,8 @@ Use with caution."
(message "Can't find %s to refresh preloaded Lisp files" argv0)
(dolist (f (reverse load-history))
(setq f (car f))
- (if (string-match "elc\\'" f) (setq f (substring f 0 -1)))
+ (when (string-match "el[cn]\\'" f)
+ (setq f (substring f 0 -1)))
(when (and (file-readable-p f)
(file-newer-than-file-p f emacs-file)
;; Don't reload the source version of the files below
@@ -5110,7 +5159,7 @@ Use with caution."
;; so it can cause recompilation to fail.
(not (member (file-name-nondirectory f)
'("pcase.el" "bytecomp.el" "macroexp.el"
- "cconv.el" "byte-opt.el"))))
+ "cconv.el" "byte-opt.el" "comp.el"))))
(message "Reloading stale %s" (file-name-nondirectory f))
(condition-case nil
(load f 'noerror nil 'nosuffix)