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authorStefan Monnier <monnier@iro.umontreal.ca>2012-05-29 23:59:42 -0400
committerStefan Monnier <monnier@iro.umontreal.ca>2012-05-29 23:59:42 -0400
commit61b108cc62d69c96c20b9e23b248185591563c1f (patch)
treee07c24a1ec29b567b1f2de381e486f83a5da6211 /lisp/emacs-lisp/byte-run.el
parent934f3f582d0369e95c6495748e3944405d3629b8 (diff)
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* lisp/emacs-lisp/byte-run.el (defmacro, defun): Move from C.
(macro-declaration-function): Move var from C code. (macro-declaration-function): Define function with defalias. * lisp/emacs-lisp/macroexp.el (macroexpand-all-1): * lisp/emacs-lisp/cconv.el (cconv-convert, cconv-analyse-form): * lisp/emacs-lisp/byte-opt.el (byte-optimize-form-code-walker): Don't handle defun/defmacro any more. * lisp/emacs-lisp/bytecomp.el (byte-compile-arglist-signature): Provide fallback for unknown arglist. (byte-compile-arglist-warn): Change calling convention. (byte-compile-output-file-form): Move print-vars binding. (byte-compile-output-docform): Simplify accordingly. (byte-compile-file-form-defun, byte-compile-file-form-defmacro) (byte-compile-defmacro-declaration): Remove. (byte-compile-file-form-defmumble): Generalize to defalias. (byte-compile-output-as-comment): Return byte-positions. Simplify callers accordingly. (byte-compile-lambda): Use `assert'. (byte-compile-defun, byte-compile-defmacro): Remove. (byte-compile-file-form-defalias): Use byte-compile-file-form-defmumble. (byte-compile-defalias-warn): Remove. * src/eval.c (Fdefun, Fdefmacro, Vmacro_declaration_function): Move to byte-run.el. (Fautoload): Do the hash-doc more carefully. * src/data.c (Fdefalias): Purify definition, except for keymaps. (Qdefun): Move from eval.c. * src/lisp.h (Qdefun): Remove. * src/lread.c (read1): Tiny simplification. * lib-src/make-docfile.c: Improve comment style. (search_lisp_doc_at_eol): New function. (scan_lisp_file): Use it.
Diffstat (limited to 'lisp/emacs-lisp/byte-run.el')
-rw-r--r--lisp/emacs-lisp/byte-run.el111
1 files changed, 88 insertions, 23 deletions
diff --git a/lisp/emacs-lisp/byte-run.el b/lisp/emacs-lisp/byte-run.el
index 7de3396f8ed..9b04e9889dd 100644
--- a/lisp/emacs-lisp/byte-run.el
+++ b/lisp/emacs-lisp/byte-run.el
@@ -34,33 +34,98 @@
;; handle declarations in macro definitions and this is the first file
;; loaded by loadup.el that uses declarations in macros.
-(defun macro-declaration-function (macro decl)
- "Process a declaration found in a macro definition.
+(defvar macro-declaration-function #'macro-declaration-function
+ "Function to process declarations in a macro definition.
+The function will be called with two args MACRO and DECL.
+MACRO is the name of the macro being defined.
+DECL is a list `(declare ...)' containing the declarations.
+The value the function returns is not used.")
+
+(defalias 'macro-declaration-function
+ #'(lambda (macro decl)
+ "Process a declaration found in a macro definition.
This is set as the value of the variable `macro-declaration-function'.
MACRO is the name of the macro being defined.
DECL is a list `(declare ...)' containing the declarations.
The return value of this function is not used."
- ;; We can't use `dolist' or `cadr' yet for bootstrapping reasons.
- (let (d)
- ;; Ignore the first element of `decl' (it's always `declare').
- (while (setq decl (cdr decl))
- (setq d (car decl))
- (if (and (consp d)
- (listp (cdr d))
- (null (cdr (cdr d))))
- (cond ((eq (car d) 'indent)
- (put macro 'lisp-indent-function (car (cdr d))))
- ((eq (car d) 'debug)
- (put macro 'edebug-form-spec (car (cdr d))))
- ((eq (car d) 'doc-string)
- (put macro 'doc-string-elt (car (cdr d))))
- (t
- (message "Unknown declaration %s" d)))
- (message "Invalid declaration %s" d)))))
-
-
-(setq macro-declaration-function 'macro-declaration-function)
-
+ ;; We can't use `dolist' or `cadr' yet for bootstrapping reasons.
+ (let (d)
+ ;; Ignore the first element of `decl' (it's always `declare').
+ (while (setq decl (cdr decl))
+ (setq d (car decl))
+ (if (and (consp d)
+ (listp (cdr d))
+ (null (cdr (cdr d))))
+ (cond ((eq (car d) 'indent)
+ (put macro 'lisp-indent-function (car (cdr d))))
+ ((eq (car d) 'debug)
+ (put macro 'edebug-form-spec (car (cdr d))))
+ ((eq (car d) 'doc-string)
+ (put macro 'doc-string-elt (car (cdr d))))
+ (t
+ (message "Unknown declaration %s" d)))
+ (message "Invalid declaration %s" d))))))
+
+(put 'defmacro 'doc-string-elt 3)
+(defalias 'defmacro
+ (cons
+ 'macro
+ #'(lambda (name arglist &optional docstring decl &rest body)
+ "Define NAME as a macro.
+When the macro is called, as in (NAME ARGS...),
+the function (lambda ARGLIST BODY...) is applied to
+the list ARGS... as it appears in the expression,
+and the result should be a form to be evaluated instead of the original.
+
+DECL is a declaration, optional, which can specify how to indent
+calls to this macro, how Edebug should handle it, and which argument
+should be treated as documentation. It looks like this:
+ (declare SPECS...)
+The elements can look like this:
+ (indent INDENT)
+ Set NAME's `lisp-indent-function' property to INDENT.
+
+ (debug DEBUG)
+ Set NAME's `edebug-form-spec' property to DEBUG. (This is
+ equivalent to writing a `def-edebug-spec' for the macro.)
+
+ (doc-string ELT)
+ Set NAME's `doc-string-elt' property to ELT."
+ (if (stringp docstring) nil
+ (if decl (setq body (cons decl body)))
+ (setq decl docstring)
+ (setq docstring nil))
+ (if (or (null decl) (eq 'declare (car-safe decl))) nil
+ (setq body (cons decl body))
+ (setq decl nil))
+ (if (null body) (setq body '(nil)))
+ (if docstring (setq body (cons docstring body)))
+ ;; Can't use backquote because it's not defined yet!
+ (let* ((fun (list 'function (cons 'lambda (cons arglist body))))
+ (def (list 'defalias
+ (list 'quote name)
+ (list 'cons ''macro fun))))
+ (if decl
+ (list 'progn
+ (list 'funcall 'macro-declaration-function
+ (list 'quote name)
+ (list 'quote decl))
+ def)
+ def)))))
+
+;; Now that we defined defmacro we can use it!
+(defmacro defun (name arglist &optional docstring &rest body)
+ "Define NAME as a function.
+The definition is (lambda ARGLIST [DOCSTRING] BODY...).
+See also the function `interactive'."
+ (declare (doc-string 3))
+ (if docstring (setq body (cons docstring body))
+ (if (null body) (setq body '(nil))))
+ (list 'defalias
+ (list 'quote name)
+ (list 'function
+ (cons 'lambda
+ (cons arglist body)))))
;; Redefined in byte-optimize.el.
;; This is not documented--it's not clear that we should promote it.