From f7359658348635b5e37de9c89ced90cc271f1fb8 Mon Sep 17 00:00:00 2001 From: "Richard M. Stallman" Date: Wed, 20 Mar 1996 13:30:16 +0000 Subject: [PATCH] Comment change. --- lisp/emacs-lisp/edebug.el | 562 ++++++++++++++++++-------------------- 1 file changed, 270 insertions(+), 292 deletions(-) diff --git a/lisp/emacs-lisp/edebug.el b/lisp/emacs-lisp/edebug.el index 1b55e107c25..7931e449b75 100644 --- a/lisp/emacs-lisp/edebug.el +++ b/lisp/emacs-lisp/edebug.el @@ -1,6 +1,6 @@ -;;; edebug.el --- a source-level debugger for Emacs Lispl +;;; edebug.el --- a source-level debugger for Emacs Lisp -;; Copyright (C) 1988,'89,'90,'91,'92,'93,'94 Free Software Foundation, Inc +;; Copyright (C) 1988,'89,'90,'91,'92,'93,'94,'95 Free Software Foundation, Inc ;; Author: Daniel LaLiberte ;; Keywords: lisp, tools, maint @@ -8,7 +8,7 @@ ;; LCD Archive Entry: ;; edebug|Daniel LaLiberte|liberte@cs.uiuc.edu ;; |A source level debugger for Emacs Lisp. -;; |$Date: 1994/04/05 01:21:06 $|$Revision: 3.5 $|~/modes/edebug.el| +;; |$Date: 1996/03/20 13:19:48 $|$Revision: 3.5.1.27 $|~/modes/edebug.el| ;; This file is part of GNU Emacs. @@ -23,103 +23,80 @@ ;; GNU General Public License for more details. ;; You should have received a copy of the GNU General Public License -;; along with GNU Emacs; see the file COPYING. If not, write to -;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - -;;;; Commentary: - -;;; This minor mode allows programmers to step through Emacs Lisp -;;; source code while executing functions. You can also set -;;; breakpoints, trace (stopping at each expression), evaluate -;;; expressions as if outside Edebug, reevaluate and display a list of -;;; expressions, trap errors normally caught by debug, and display a -;;; debug style backtrace. - -;;;; Installation -;;; ============= - -;;; Put edebug.el in some directory in your load-path and -;;; byte-compile it. Also read the beginning of edebug-epoch.el, -;;; cl-specs.el, and edebug-cl-read.el if they apply to you. - -;;; Unless you are using Emacs 19 which is already set up to use Edebug, -;;; put the following forms in your .emacs file. -;;; (define-key emacs-lisp-mode-map "\C-xx" 'edebug-eval-top-level-form) -;;; (autoload 'edebug-eval-top-level-form "edebug") - -;;; If you wish to change the default edebug global command prefix, change: -;;; (setq edebug-global-prefix "\C-xX") - -;;; Other options, are described in the manual. - -;;; In previous versions of Edebug, users were directed to set -;;; `debugger' to `edebug-debug'. This is no longer necessary -;;; since Edebug automatically sets it whenever Edebug is active. - -;;;; Minimal Instructions -;;; ===================== - -;;; First evaluate a defun with C-xx, then run the function. Step -;;; through the code with SPC, mark breakpoints with b, go until a -;;; breakpoint is reached with g, and quit execution with q. Use the -;;; "?" command in edebug to describe other commands. See edebug.tex -;;; or the Emacs 19 Lisp Reference Manual for more instructions. - -;;; Send me your enhancements, ideas, bugs, or fixes. -;;; For bugs, you can call edebug-submit-bug-report if you have reporter.el. -;;; There is an edebug mailing list if you want to keep up -;;; with the latest developments. Requests to: edebug-request@cs.uiuc.edu - -;;; Daniel LaLiberte 217-398-4114 -;;; University of Illinois, Urbana-Champaign -;;; Department of Computer Science -;;; 1304 W Springfield -;;; Urbana, IL 61801 - -;;; uiucdcs!liberte -;;; liberte@cs.uiuc.edu - -;;; =============================== -;;; $Header: /import/kaplan/kaplan/liberte/Edebug/RCS/edebug.el,v 3.5 1994/04/08 21:39:52 liberte Exp liberte $ -;;; $Log: edebug.el,v $ -;;; Revision 3.5 1994/04/04 21:39:52 liberte -;;; * Change "-emacs-" to "-original-" throughout. -;;; * (edebug-last-sexp) Fix missing ";;" -;;; * (edebug-read) Fix docstring, &optional arg, -;;; and the check that stream is current-buffer. -;;; * (edebug-install-read-eval-functions) Use (elisp-eval-region-install). -;;; * (edebug-uninstall-read-eval-functions) Restore to symbol-function values. -;;; * (edebug-eval-defun) Repair check for edebug-all-defs. -;;; * (edebug-top-level-form) Set edebug-all-defs to t. -;;; * (edebug-read-and-maybe-wrap-form1) Call edebug-original-read -;;; instead of read. -;;; * (edebug-enter) Bind pre-command-hook and post-command-hook to nil. -;;; Reset these variables and executing-macro to outside values. -;;; * (edebug-display) Reset global variables to outside values. -;;; * (edebug-recursive-edit) Reset global variables to outside values. -;;; * (edebug-outside-excursion) Set outside values of global variables -;;; in case they were changed by side effect. -;;; * (edebug-instrument-callee) Use edebug-original-read instaed of read. -;;; * (edebug-eval-result-list) While evaluating evaluation list, -;;; bind edebug-execution-mode and edebug-trace to nil, to avoid loop. -;;; -;;; -;;; For the rest of the revision history, see edebug-history. +;; along with GNU Emacs; see the file COPYING. If not, write to the +;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, +;; Boston, MA 02111-1307, USA. + +;;; Commentary: + +;; This minor mode allows programmers to step through Emacs Lisp +;; source code while executing functions. You can also set +;; breakpoints, trace (stopping at each expression), evaluate +;; expressions as if outside Edebug, reevaluate and display a list of +;; expressions, trap errors normally caught by debug, and display a +;; debug style backtrace. + +;;; Installation +;; ============= + +;; Put edebug.el in some directory in your load-path and +;; byte-compile it. Also read the beginning of edebug-epoch.el, +;; cl-specs.el, and edebug-cl-read.el if they apply to you. + +;; Unless you are using Emacs 19 which is already set up to use Edebug, +;; put the following forms in your .emacs file. +;; (define-key emacs-lisp-mode-map "\C-xx" 'edebug-eval-top-level-form) +;; (autoload 'edebug-eval-top-level-form "edebug") + +;; If you wish to change the default edebug global command prefix, change: +;; (setq edebug-global-prefix "\C-xX") + +;; Other options, are described in the manual. + +;; In previous versions of Edebug, users were directed to set +;; `debugger' to `edebug-debug'. This is no longer necessary +;; since Edebug automatically sets it whenever Edebug is active. + +;;; Minimal Instructions +;; ===================== + +;; First evaluate a defun with C-xx, then run the function. Step +;; through the code with SPC, mark breakpoints with b, go until a +;; breakpoint is reached with g, and quit execution with q. Use the +;; "?" command in edebug to describe other commands. See edebug.tex +;; or the Emacs 19 Lisp Reference Manual for more instructions. + +;; Send me your enhancements, ideas, bugs, or fixes. +;; For bugs, you can call edebug-submit-bug-report if you have reporter.el. +;; There is an edebug mailing list if you want to keep up +;; with the latest developments. Requests to: edebug-request@cs.uiuc.edu + +;; Daniel LaLiberte 217-398-4114 +;; University of Illinois, Urbana-Champaign +;; Department of Computer Science +;; 1304 W Springfield +;; Urbana, IL 61801 + +;; uiucdcs!liberte +;; liberte@cs.uiuc.edu + +;; For the early revision history, see edebug-history. + +;;; Code: (defconst edebug-version - (let ((raw-version "$Revision: 3.5 $")) + (let ((raw-version "$Revision: 3.5.1.27 $")) (substring raw-version (string-match "[0-9.]*" raw-version) (match-end 0)))) (require 'backquote) -;; Emacs 18 doesnt have defalias. +;; Emacs 18 doesn't have defalias. (eval-and-compile (or (fboundp 'defalias) (fset 'defalias 'fset))) -;;;; Bug reporting -;;; ============== +;;; Bug reporting (defconst edebug-maintainer-address "liberte@cs.uiuc.edu") @@ -147,9 +124,7 @@ 'edebug-print-circle )))) - -;;;; Options -;;; =============================== +;;; Options (defvar edebug-setup-hook nil "*Functions to call before edebug is used. @@ -166,21 +141,21 @@ This applies to `eval-defun', `eval-region', `eval-buffer', and You can use the command `edebug-all-defs' to toggle the value of this variable. You may wish to make it local to each buffer with -(make-local-variable 'edebug-all-defs) in your +\(make-local-variable 'edebug-all-defs) in your `emacs-lisp-mode-hook'.") (defvar edebug-all-forms nil "*Non-nil evaluation of all forms will instrument for Edebug. This doesn't apply to loading or evaluations in the minibuffer. -Use the command edebug-all-forms to toggle the value of this option.") +Use the command `edebug-all-forms' to toggle the value of this option.") (defvar edebug-eval-macro-args nil "*Non-nil means all macro call arguments may be evaluated. -If this variable is nil, the default, edebug will *not* wrap +If this variable is nil, the default, Edebug will *not* wrap macro call arguments as if they will be evaluated. -For each macro, a edebug-form-spec overrides this option. +For each macro, a `edebug-form-spec' overrides this option. So to specify exceptions for macros that have some arguments evaluated -and some not, you should specify an edebug-form-spec. +and some not, you should specify an `edebug-form-spec'. This option is going away soon.") @@ -241,11 +216,11 @@ Use this with caution since it is not debugged.") (defvar edebug-print-length 50 - "*Default value of print-length to use while printing results in edebug.") + "*Default value of `print-length' to use while printing results in Edebug.") (defvar edebug-print-level 50 - "*Default value of print-level to use while printing results in edebug.") + "*Default value of `print-level' to use while printing results in Edebug.") (defvar edebug-print-circle t - "*Default value of print-circle to use while printing results in edebug.") + "*Default value of `print-circle' to use while printing results in Edebug.") (defvar edebug-unwrap-results nil "*Non-nil if Edebug should unwrap results of expressions. @@ -271,19 +246,17 @@ After execution is resumed, the error is signaled again.") "*If non-nil, an expression to test for at every stop point. If the result is non-nil, then break. Errors are ignored.") - -;;;; Form spec utilities. -;;; =============================== +;;; Form spec utilities. ;;;###autoload (defmacro def-edebug-spec (symbol spec) "Set the edebug-form-spec property of SYMBOL according to SPEC. Both SYMBOL and SPEC are unevaluated. The SPEC can be 0, t, a symbol -(naming a function), or a list." +\(naming a function), or a list." (` (put (quote (, symbol)) 'edebug-form-spec (quote (, spec))))) (defmacro def-edebug-form-spec (symbol spec-form) - "For compatibility with old version. Use def-edebug-spec instead." + "For compatibility with old version. Use `def-edebug-spec' instead." (message "Obsolete: use def-edebug-spec instead.") (def-edebug-spec symbol (eval spec-form))) @@ -298,18 +271,13 @@ Both SYMBOL and SPEC are unevaluated. The SPEC can be 0, t, a symbol edebug-form-spec )) +;;; Utilities -;;;; Utilities -;;; =============================== - -(if (not (fboundp 'gensym)) - (progn +;; Define edebug-gensym - from old cl.el +(defvar edebug-gensym-index 0 + "Integer used by `edebug-gensym' to produce new names.") -;; Define gensym - from old cl.el -(defvar *gensym-index* 0 - "Integer used by gensym to produce new names.") - -(defun gensym (&optional prefix) +(defun edebug-gensym (&optional prefix) "Generate a fresh uninterned symbol. There is an optional argument, PREFIX. PREFIX is the string that begins the new name. Most people take just the default, @@ -319,31 +287,29 @@ except when debugging needs suggest otherwise." (let ((newsymbol nil) (newname "")) (while (not newsymbol) - (setq newname (concat prefix *gensym-index*)) - (setq *gensym-index* (+ *gensym-index* 1)) + (setq newname (concat prefix (int-to-string edebug-gensym-index))) + (setq edebug-gensym-index (+ edebug-gensym-index 1)) (if (not (intern-soft newname)) (setq newsymbol (make-symbol newname)))) newsymbol)) -)) ;; Only used by CL-like code. -'(if (not (fboundp 'keywordp)) - (defun keywordp (object) - "Return t if OBJECT is a keyword. -A keyword is a symbol that starts with "":""." - (and (symbolp object) - (= ?: (aref (symbol-name object) 0))))) - -(defun lambda-list-keywordp (object) +(defun edebug-keywordp (object) + "Return t if OBJECT is a keyword. +A keyword is a symbol that starts with `:'." + (and (symbolp object) + (= ?: (aref (symbol-name object) 0)))) + +(defun edebug-lambda-list-keywordp (object) "Return t if OBJECT is a lambda list keyword. -A lambda list keyword is a symbol that starts with ""&""." +A lambda list keyword is a symbol that starts with `&'." (and (symbolp object) (= ?& (aref (symbol-name object) 0)))) (defun edebug-last-sexp () ;; Return the last sexp before point in current buffer. - ;; Assumes elisp syntax is active. + ;; Assumes Emacs Lisp syntax is active. (car (read-from-string (buffer-substring @@ -353,8 +319,8 @@ A lambda list keyword is a symbol that starts with ""&""." (point))))) (defun edebug-window-list () - "Return a list of windows, in order of next-window." - ;; This doesnt work for epoch. + "Return a list of windows, in order of `next-window'." + ;; This doesn't work for epoch. (let* ((first-window (selected-window)) (window-list (list first-window)) (next (next-window first-window))) @@ -396,6 +362,7 @@ A lambda list keyword is a symbol that starts with ""&""." "Returns the function named by OBJECT, or nil if it is not a function." (setq object (edebug-lookup-function object)) (if (or (subrp object) + (byte-code-function-p object) (and (listp object) (eq (car object) 'lambda) (listp (car (cdr object))))) @@ -426,8 +393,7 @@ Return the result of the last expression in BODY." (set-buffer (marker-buffer edebug:s-r-beg)) (narrow-to-region edebug:s-r-beg edebug:s-r-end)))))) -;;;; Display -;;; ============ +;;; Display (defconst edebug-trace-buffer "*edebug-trace*" "Name of the buffer to put trace info in.") @@ -449,7 +415,7 @@ Return the result of the last expression in BODY." (split-window)) ;; (message "next window: %s" (next-window)) (sit-for 1) (if (eq (get-buffer-window edebug-trace-buffer) (next-window)) - ;; Dont select trace window + ;; Don't select trace window nil (select-window (next-window)))) (set-window-buffer (selected-window) buffer) @@ -521,13 +487,12 @@ Return the result of the last expression in BODY." (defalias 'edebug-input-pending-p 'input-pending-p) -;;;; Redefine read and eval functions -;;; ================================= -;;; read is redefined to maybe instrument forms. -;;; eval-defun is redefined to check edebug-all-forms and edebug-all-defs. +;;; Redefine read and eval functions +;; read is redefined to maybe instrument forms. +;; eval-defun is redefined to check edebug-all-forms and edebug-all-defs. -;;; Use the Lisp version of eval-region. -(require 'elisp-eval-region "eval-region") +;; Use the Lisp version of eval-region. +(require 'eval-reg "eval-reg") ;; Save the original read function (or (fboundp 'edebug-original-read) @@ -545,7 +510,7 @@ STREAM or the value of `standard-input' may be: t (read text line using minibuffer and use it). This version, from Edebug, maybe instruments the expression. But the -STREAM must be the current buffer to do so. Whether it instuments is +STREAM must be the current buffer to do so. Whether it instruments is also dependent on the values of `edebug-all-defs' and `edebug-all-forms'." (or stream (setq stream standard-input)) @@ -556,22 +521,27 @@ also dependent on the values of `edebug-all-defs' and (or (fboundp 'edebug-original-eval-defun) (defalias 'edebug-original-eval-defun (symbol-function 'eval-defun))) +;; We should somehow arrange to be able to do this +;; without actually replacing the eval-defun command. (defun edebug-eval-defun (edebug-it) "Evaluate the top-level form containing point, or after point. This version, from Edebug, has the following differences: With a prefix argument instrument the code for Edebug. If `edebug-all-defs' is non-nil, then the code is instrumented *unless* there is a prefix -argument. If instrumenting, it prints: \"Edebug: \". +argument. If instrumenting, it prints: `Edebug: FUNCTIONNAME'. Otherwise, it prints in the minibuffer." (interactive "P") - (let ((edebugging (not (eq (not edebug-it) (not edebug-all-defs)))) - (edebug-result)) - (setq edebug-result - (eval - (let ((edebug-all-forms edebugging) - (edebug-all-defs (eq edebug-all-defs (not edebug-it)))) - (edebug-read-top-level-form)))) + (let* ((edebugging (not (eq (not edebug-it) (not edebug-all-defs)))) + (edebug-result) + (form + (let ((edebug-all-forms edebugging) + (edebug-all-defs (eq edebug-all-defs (not edebug-it)))) + (edebug-read-top-level-form)))) + (if (and (eq (car form) 'defvar) + (cdr-safe (cdr-safe form))) + (setq form (cons 'defconst (cdr form)))) + (setq edebug-result (eval form)) (if (not edebugging) (princ edebug-result) edebug-result))) @@ -585,11 +555,10 @@ Otherwise, it prints in the minibuffer." "Evaluate a top level form, such as a defun or defmacro. This is like `eval-defun', but the code is always instrumented for Edebug. Print its name in the minibuffer and leave point where it is, -or if an error occurs, leave point after it with mark at the original -point." +or if an error occurs, leave point after it with mark at the original point." (interactive) (eval - ;; Bind edebug-all-forms only while reading, not while evaling + ;; Bind edebug-all-forms only while reading, not while evalling ;; but this causes problems while edebugging edebug. (let ((edebug-all-forms t) (edebug-all-defs t)) @@ -628,7 +597,7 @@ point." (defun edebug-install-read-eval-functions () (interactive) ;; Don't install if already installed. - (if (eq 'read 'edebug-read) nil + (if (eq (symbol-function 'read) 'edebug-read) nil (elisp-eval-region-install) (defalias 'read 'edebug-read) (defalias 'eval-defun 'edebug-eval-defun))) @@ -640,11 +609,10 @@ point." (defalias 'eval-defun (symbol-function 'edebug-original-eval-defun))) -;;;; Edebug internal data -;;; =============================== +;;; Edebug internal data -;;; The internal data that is needed for edebugging is kept in the -;;; buffer-local variable `edebug-form-data'. +;; The internal data that is needed for edebugging is kept in the +;; buffer-local variable `edebug-form-data'. (make-variable-buffer-local 'edebug-form-data) @@ -725,10 +693,7 @@ point." ;; (set-marker (nth 2 entry) nil) (setq edebug-form-data (delq entry edebug-form-data))))) - -;;;; Parser utilities -;;; =============================== - +;;; Parser utilities (defun edebug-syntax-error (&rest args) ;; Signal an invalid-read-syntax with ARGS. @@ -746,6 +711,8 @@ point." (aset table ?\( 'lparen) (aset table ?\) 'rparen) (aset table ?\' 'quote) + (aset table ?\` 'backquote) + (aset table ?\, 'comma) (aset table ?\" 'string) (aset table ?\? 'char) (aset table ?\[ 'lbracket) @@ -753,12 +720,13 @@ point." (aset table ?\. 'dot) (aset table ?\# 'hash) ;; We treat numbers as symbols, because of confusion with -, -1, and 1-. - ;; We dont care about any other chars since they wont be seen. + ;; We don't care about any other chars since they won't be seen. table)) (defun edebug-next-token-class () ;; Move to the next token and return its class. We only care about - ;; lparen, rparen, dot, quote, string, char, vector, or symbol. + ;; lparen, rparen, dot, quote, backquote, comma, string, char, vector, + ;; or symbol. (edebug-skip-whitespace) (aref edebug-read-syntax-table (following-char))) @@ -795,12 +763,14 @@ point." (forward-char -1)))) ((eq class 'quote) (forward-char 1) (list 'quote (edebug-read-sexp))) + ((eq class 'backquote) + (list '\` (edebug-read-sexp))) + ((eq class 'comma) + (list '\, (edebug-read-sexp))) (t ; anything else, just read it. (edebug-original-read (current-buffer)))))) - -;;;; Offsets for reader -;;; ============================== +;;; Offsets for reader ;; Define a structure to represent offset positions of expressions. ;; Each offset structure looks like: (before . after) for constituents, @@ -875,8 +845,8 @@ point." (edebug-store-after-offset (point))))) -;;;; Reader for Emacs Lisp. -;;; ========================================== +;;; Reader for Emacs Lisp. + ;; Uses edebug-next-token-class (and edebug-skip-whitespace) above. (defconst edebug-read-alist @@ -884,6 +854,8 @@ point." (lparen . edebug-read-list) (string . edebug-read-string) (quote . edebug-read-quote) + (backquote . edebug-read-backquote) + (comma . edebug-read-comma) (lbracket . edebug-read-vector) (hash . edebug-read-function) )) @@ -920,6 +892,42 @@ point." (edebug-storing-offsets (point) 'quote) (edebug-read-storing-offsets stream))) +(defun edebug-read-backquote (stream) + ;; Turn `thing into (\` thing) + (let ((opoint (point))) + (forward-char 1) + ;; Generate the same structure of offsets we would have + ;; if the resulting list appeared verbatim in the input text. + (edebug-storing-offsets opoint + (list + (edebug-storing-offsets opoint '\`) + (edebug-read-storing-offsets stream))))) + +(defvar edebug-read-backquote-new nil + "Non-nil if reading the inside of a new-style backquote with no parens around it. +Value of nil means reading the inside of an old-style backquote construct +which is surrounded by an extra set of parentheses. +This controls how we read comma constructs.") + +(defun edebug-read-comma (stream) + ;; Turn ,thing into (\, thing). Handle ,@ and ,. also. + (let ((opoint (point))) + (forward-char 1) + (let ((symbol '\,)) + (cond ((eq (following-char) ?\.) + (setq symbol '\,\.) + (forward-char 1)) + ((eq (following-char) ?\@) + (setq symbol '\,@) + (forward-char 1))) + ;; Generate the same structure of offsets we would have + ;; if the resulting list appeared verbatim in the input text. + (if edebug-read-backquote-new + (list + (edebug-storing-offsets opoint symbol) + (edebug-read-storing-offsets stream)) + (edebug-storing-offsets opoint symbol))))) + (defun edebug-read-function (stream) ;; Turn #'thing into (function thing) (forward-char 1) @@ -935,7 +943,18 @@ point." (prog1 (let ((elements)) (while (not (memq (edebug-next-token-class) '(rparen dot))) - (setq elements (cons (edebug-read-storing-offsets stream) elements))) + (if (eq (edebug-next-token-class) 'backquote) + (let ((edebug-read-backquote-new (not (null elements))) + (opoint (point))) + (if edebug-read-backquote-new + (setq elements (cons (edebug-read-backquote stream) elements)) + (forward-char 1) ; Skip backquote. + ;; Call edebug-storing-offsets here so that we + ;; produce the same offsets we would have had + ;; if the backquote were an ordinary symbol. + (setq elements (cons (edebug-storing-offsets opoint '\`) + elements)))) + (setq elements (cons (edebug-read-storing-offsets stream) elements)))) (setq elements (nreverse elements)) (if (eq 'dot (edebug-next-token-class)) (let (dotted-form) @@ -960,10 +979,7 @@ point." (forward-char 1) ; skip \] )) - - -;;;; Cursors for traversal of list and vector elements with offsets. -;;;==================================================================== +;;; Cursors for traversal of list and vector elements with offsets. (defvar edebug-dotted-spec nil) @@ -1040,29 +1056,28 @@ point." (setq offset (cdr offset))) offset)) -;;;; The Parser -;;; =============================== +;;; The Parser -;;; The top level function for parsing forms is -;;; edebug-read-and-maybe-wrap-form; it calls all the rest. It checks the -;;; syntax a bit and leaves point at any error it finds, but otherwise -;;; should appear to work like eval-defun. +;; The top level function for parsing forms is +;; edebug-read-and-maybe-wrap-form; it calls all the rest. It checks the +;; syntax a bit and leaves point at any error it finds, but otherwise +;; should appear to work like eval-defun. -;;; The basic plan is to surround each expression with a call to -;;; the edebug debugger together with indexes into a table of positions of -;;; all expressions. Thus an expression "exp" becomes: +;; The basic plan is to surround each expression with a call to +;; the edebug debugger together with indexes into a table of positions of +;; all expressions. Thus an expression "exp" becomes: -;;; (edebug-after (edebug-before 1) 2 exp) +;; (edebug-after (edebug-before 1) 2 exp) -;;; When this is evaluated, first point is moved to the beginning of -;;; exp at offset 1 of the current function. The expression is -;;; evaluated, which may cause more edebug calls, and then point is -;;; moved to offset 2 after the end of exp. +;; When this is evaluated, first point is moved to the beginning of +;; exp at offset 1 of the current function. The expression is +;; evaluated, which may cause more edebug calls, and then point is +;; moved to offset 2 after the end of exp. -;;; The highest level expressions of the function are wrapped in a call to -;;; edebug-enter, which supplies the function name and the actual -;;; arguments to the function. See functions edebug-enter, edebug-before, -;;; and edebug-after for more details. +;; The highest level expressions of the function are wrapped in a call to +;; edebug-enter, which supplies the function name and the actual +;; arguments to the function. See functions edebug-enter, edebug-before, +;; and edebug-after for more details. ;; Dynamically bound vars, left unbound, but globally declared. ;; This is to quiet the byte compiler. @@ -1093,7 +1108,7 @@ point." (let (result edebug-top-window-data edebug-def-name;; make sure it is locally nil - ;; I dont like these here!! + ;; I don't like these here!! edebug-&optional edebug-&rest edebug-gate @@ -1102,7 +1117,7 @@ point." no-match ;; Do this once here instead of several times. (max-lisp-eval-depth (+ 800 max-lisp-eval-depth)) - (max-specpdl-size (+ 1200 max-specpdl-size))) + (max-specpdl-size (+ 2000 max-specpdl-size))) (setq no-match (catch 'no-match (setq result (edebug-read-and-maybe-wrap-form1)) @@ -1117,7 +1132,7 @@ point." def-kind defining-form-p def-name - ;; These offset things dont belong here, but to support recursive + ;; These offset things don't belong here, but to support recursive ;; calls to edebug-read, they need to be here. edebug-offsets edebug-offsets-stack @@ -1206,12 +1221,12 @@ point." ;; Uses the dynamically bound vars edebug-def-name and edebug-def-args. ;; Do this after parsing since that may find a name. (setq edebug-def-name - (or edebug-def-name edebug-old-def-name (gensym "edebug-anon"))) + (or edebug-def-name edebug-old-def-name (edebug-gensym "edebug-anon"))) (` (edebug-enter (quote (, edebug-def-name)) (, (if edebug-inside-func (` (list (,@ - ;; Doesnt work with more than one def-body!! + ;; Doesn't work with more than one def-body!! ;; But the list will just be reversed. (nreverse edebug-def-args)))) 'nil)) @@ -1240,7 +1255,7 @@ point." ;; (edebug-after (edebug-before BEFORE-INDEX) AFTER-INDEX FORM) ;; Also increment the offset index for subsequent use. ;; if (not edebug-stop-before-symbols) and form is a symbol, - ;; then dont call edebug-before. + ;; then don't call edebug-before. (list 'edebug-after (list 'edebug-before before-index) after-index form)) @@ -1326,7 +1341,7 @@ expressions; a `progn' form will be returned enclosing these forms." ;; Set the name here if it was not set by edebug-make-enter-wrapper. (setq edebug-def-name - (or edebug-def-name edebug-old-def-name (gensym "edebug-anon"))) + (or edebug-def-name edebug-old-def-name (edebug-gensym "edebug-anon"))) ;; Add this def as a dependent of containing def. Buggy. '(if (and edebug-containing-def-name @@ -1429,9 +1444,9 @@ expressions; a `progn' form will be returned enclosing these forms." ((symbolp form) (cond - ;; Check for constant symbols that dont get wrapped. + ;; Check for constant symbols that don't get wrapped. ((or (memq form '(t nil)) - (and (fboundp 'keywordp) (keywordp form))) + (and (fboundp 'edebug-keywordp) (edebug-keywordp form))) form) ;; This option may go away. @@ -1518,9 +1533,7 @@ expressions; a `progn' form will be returned enclosing these forms." "Head of list form must be a symbol or lambda expression."))) )) - -;;;; Matching of specs. -;;; =================== +;;; Matching of specs. (defvar edebug-after-dotted-spec nil) @@ -1528,8 +1541,8 @@ expressions; a `progn' form will be returned enclosing these forms." (defconst edebug-max-depth 150) ;; maximum number of matching recursions. -;;;; Failure to match -;;; ================== +;;; Failure to match + ;; This throws to no-match, if there are higher alternatives. ;; Otherwise it signals an error. The place of the error is found ;; with the two before- and after-offset functions. @@ -1617,7 +1630,7 @@ expressions; a `progn' form will be returned enclosing these forms." ;; Define specs for all the symbol specs with functions used to process them. -;; Perhaps we shouldnt be doing this with edebug-form-specs since the +;; Perhaps we shouldn't be doing this with edebug-form-specs since the ;; user may want to define macros or functions with the same names. ;; We could use an internal obarray for these primitive specs. @@ -1639,7 +1652,6 @@ expressions; a `progn' form will be returned enclosing these forms." ;; Less frequently used: ;; (function . edebug-match-function) (lambda-expr . edebug-match-lambda-expr) - ;; (keywordp . edebug-match-keywordp) (¬ . edebug-match-¬) (&key . edebug-match-&key) (place . edebug-match-place) @@ -1736,7 +1748,7 @@ expressions; a `progn' form will be returned enclosing these forms." (let (edebug-gate ;; only while matching each spec edebug-best-error edebug-error-point) - ;; Doesnt support e.g. &or symbolp &rest form + ;; Doesn't support e.g. &or symbolp &rest form (edebug-match-one-spec cursor (car specs))))) ;; Match failed, so reset and try again. (setq specs (cdr specs)) @@ -1765,7 +1777,7 @@ expressions; a `progn' form will be returned enclosing these forms." (defun edebug-match-&key (cursor specs) ;; Following specs must look like ( ) ... ;; where is the name of a keyword, and spec is its spec. - ;; This really doesnt save much over the expanded form and takes time. + ;; This really doesn't save much over the expanded form and takes time. (edebug-match-&rest cursor (cons '&or @@ -1869,7 +1881,7 @@ expressions; a `progn' form will be returned enclosing these forms." (defun edebug-match-&define (cursor specs) ;; Match a defining form. - ;; Normally, &define is interpretted specially other places. + ;; Normally, &define is interpreted specially other places. ;; This should only be called inside of a spec list to match the remainder ;; of the current list. e.g. ("lambda" &define args def-body) (edebug-make-form-wrapper @@ -1907,17 +1919,6 @@ expressions; a `progn' form will be returned enclosing these forms." ))) -;; Not needed if the predicate exists. -'(defun edebug-match-keywordp (cursor) - ;; Match a common lisp style keyword symbol. - (let ((sexp (edebug-top-element cursor))) - (if (keywordp sexp) - (prog1 - (list sexp) - (edebug-move-cursor cursor)) - (edebug-no-match cursor "Keyword expected")))) - - (defun edebug-match-name (cursor) ;; Set the edebug-def-name bound in edebug-defining-form. (let ((name (edebug-top-element-required cursor "Expected name"))) @@ -1945,7 +1946,7 @@ expressions; a `progn' form will be returned enclosing these forms." ;; set the def-args bound in edebug-defining-form (let ((edebug-arg (edebug-top-element-required cursor "Expected arg"))) (if (or (not (symbolp edebug-arg)) - (lambda-list-keywordp edebug-arg)) + (edebug-lambda-list-keywordp edebug-arg)) (edebug-no-match cursor "Bad argument:" edebug-arg)) (edebug-move-cursor cursor) (setq edebug-def-args (cons edebug-arg edebug-def-args)) @@ -1995,14 +1996,14 @@ expressions; a `progn' form will be returned enclosing these forms." ("quote" symbolp) edebug-spec-list stringp - [lambda-list-keywordp &rest edebug-spec] - ;; [keywordp gate edebug-spec] ;; need keywordp for this. + [edebug-lambda-list-keywordp &rest edebug-spec] + ;; [edebug-keywordp gate edebug-spec] ;; need edebug-keywordp for this. edebug-spec-p ;; Including all the special ones e.g. form. symbolp;; a predicate )) -;;;;* Emacs special forms and some functions. +;;;* Emacs special forms and some functions. ;; quote expects only one argument, although it allows any number. (def-edebug-spec quote sexp) @@ -2019,7 +2020,7 @@ expressions; a `progn' form will be returned enclosing these forms." (def-edebug-spec defmacro (&define name lambda-list def-body)) -(def-edebug-spec arglist lambda-list) ;; denegrated - use lambda-list. +(def-edebug-spec arglist lambda-list) ;; deprecated - use lambda-list. (def-edebug-spec lambda-list (([&rest arg] @@ -2076,7 +2077,7 @@ expressions; a `progn' form will be returned enclosing these forms." &rest (symbolp body))) -(def-edebug-spec ` (backquote-form)) +(def-edebug-spec \` (backquote-form)) ;; Supports quotes inside backquotes, ;; but only at the top level inside unquotes. @@ -2103,8 +2104,8 @@ expressions; a `progn' form will be returned enclosing these forms." ;; ,@ might have some problems. -(defalias 'edebug-` '`) ;; same macro as regular backquote. -(def-edebug-spec edebug-` (def-form)) +(defalias 'edebug-\` '\`) ;; same macro as regular backquote. +(def-edebug-spec edebug-\` (def-form)) ;; Assume immediate quote in unquotes mean backquote at next higher level. (def-edebug-spec , (&or ("quote" edebug-`) def-form)) @@ -2120,7 +2121,6 @@ expressions; a `progn' form will be returned enclosing these forms." ;; Anything else? -;;==================== ;; Some miscellaneous specs for macros in public packages. ;; Send me yours. @@ -2138,9 +2138,7 @@ expressions; a `progn' form will be returned enclosing these forms." [&optional ("interactive" interactive)] def-body)) - -;;;; The debugger itself -;;; =============================== +;;; The debugger itself (defvar edebug-active nil) ;; Non-nil when edebug is active @@ -2197,15 +2195,16 @@ expressions; a `progn' form will be returned enclosing these forms." (defvar edebug-outside-pre-command-hook) (defvar edebug-outside-post-command-hook) +(defvar edebug-outside-post-command-idle-hook) ;; Emacs 19 (defvar pre-command-hook nil) (defvar post-command-hook nil) +(defvar post-command-idle-hook nil) (defvar cl-lexical-debug) ;; Defined in cl.el ;;; Handling signals -;;; ================= (if (not (fboundp 'edebug-original-signal)) (defalias 'edebug-original-signal (symbol-function 'signal))) @@ -2234,7 +2233,6 @@ error is signaled again." ;;; Entering Edebug -;;; ================== (defun edebug-enter (edebug-function edebug-args edebug-body) ;; Entering FUNC. The arguments are ARGS, and the body is BODY. @@ -2267,7 +2265,8 @@ error is signaled again." ;; Save the outside value of executing macro. (here??) (edebug-outside-executing-macro executing-macro) (edebug-outside-pre-command-hook pre-command-hook) - (edebug-outside-post-command-hook post-command-hook)) + (edebug-outside-post-command-hook post-command-hook) + (edebug-outside-post-command-idle-hook post-command-idle-hook)) (unwind-protect (let (;; Don't keep reading from an executing kbd macro ;; within edebug unless edebug-continue-kbd-macro is @@ -2279,7 +2278,8 @@ error is signaled again." ;; a hook function is instrumented - to avoid infinite loop. ;; This may be more than we need, however. (pre-command-hook nil) - (post-command-hook nil)) + (post-command-hook nil) + (post-command-idle-hook nil)) (setq edebug-execution-mode (or edebug-next-execution-mode edebug-initial-mode edebug-execution-mode) @@ -2291,8 +2291,9 @@ error is signaled again." (fset 'signal (symbol-function 'edebug-original-signal)))) ;; Reset global variables in case outside value was changed. (setq executing-macro edebug-outside-executing-macro - edebug-outside-pre-command-hook pre-command-hook - edebug-outside-post-command-hook post-command-hook + pre-command-hook edebug-outside-pre-command-hook + post-command-hook edebug-outside-post-command-hook + post-command-idle-hook edebug-outside-post-command-idle-hook ))) (let* ((edebug-data (get edebug-function 'edebug)) @@ -2548,8 +2549,8 @@ MSG is printed after `::::} '." (setq edebug-buffer-points (edebug-get-displayed-buffer-points))) ;; First move the edebug buffer point to edebug-point - ;; so that window start doesnt get changed when we display it. - ;; I dont know if this is going to help. + ;; so that window start doesn't get changed when we display it. + ;; I don't know if this is going to help. ;;(set-buffer edebug-buffer) ;;(goto-char edebug-point) @@ -2644,7 +2645,7 @@ MSG is printed after `::::} '." (eq edebug-arg-mode 'error)) (progn ;; (setq edebug-execution-mode 'step) - ;; (edebug-overlay-arrow) ; this doesnt always show up. + ;; (edebug-overlay-arrow) ; This doesn't always show up. (edebug-recursive-edit))) ; <---------- Recursive edit ;; Reset the edebug-window-data to whatever it is now. @@ -2690,7 +2691,7 @@ MSG is printed after `::::} '." 'no-force) ;; Unrestore edebug-buffer's window-point. ;; Needed in addition to setting the buffer point - ;; - otherwise quitting doesnt leave point as is. + ;; - otherwise quitting doesn't leave point as is. ;; But this causes point to not be restored at times. ;; Also, it may not be a visible window. ;; (set-window-point window edebug-point) @@ -2710,8 +2711,8 @@ MSG is printed after `::::} '." (set-buffer edebug-outside-buffer) ;; Restore point, and mark. ;; Needed even if restoring windows because - ;; that doesnt restore point and mark in the current buffer. - ;; But dont restore point if edebug-buffer is current buffer. + ;; that doesn't restore point and mark in the current buffer. + ;; But don't restore point if edebug-buffer is current buffer. (if (not (eq edebug-buffer edebug-outside-buffer)) (goto-char edebug-outside-point)) (if (marker-buffer (edebug-mark-marker)) @@ -2765,7 +2766,6 @@ MSG is printed after `::::} '." ;; Emacs 18 (defvar edebug-outside-unread-command-char) -(defvar unread-command-char -1) ;; Lucid Emacs (defvar edebug-outside-unread-command-event) ;; like unread-command-events @@ -2779,14 +2779,6 @@ MSG is printed after `::::} '." (defvar edebug-outside-last-nonmenu-event) (defvar edebug-outside-track-mouse) -;; For Emacs 18, define vars defined by Emacs 19. -(defvar last-input-event nil) -(defvar last-command-event nil) -(defvar unread-command-events nil) -(defvar last-event-frame nil) -(defvar last-nonmenu-event nil) -(defvar track-mouse nil) - ;; Disable byte compiler warnings about unread-command-char and -event ;; (maybe works with byte-compile-version 2.22 at least) (defvar edebug-unread-command-char-warning) @@ -2935,7 +2927,6 @@ MSG is printed after `::::} '." ;;; Display related functions -;;; =============================== (defun edebug-adjust-window (old-start) ;; If pos is not visible, adjust current window to fit following context. @@ -3108,9 +3099,7 @@ The default is one second." (message "Displaying %s %s" buffer (if already-displaying "off" "on")))) - ;;; Breakpoint related functions -;;; =============================== (defun edebug-find-stop-point () ;; Return (function . index) of the nearest edebug stop point. @@ -3174,7 +3163,8 @@ The default is one second." (goto-char (+ edebug-def-mark (aref offset-vector (car breakpoint)))) - (message (concat (if (nth 2 breakpoint) + (message "%s" + (concat (if (nth 2 breakpoint) "Temporary " "") (if (car (cdr breakpoint)) (format "Condition: %s" @@ -3269,7 +3259,6 @@ With prefix argument, make it a temporary breakpoint." ;;; Mode switching functions -;;; =============================== (defun edebug-set-mode (mode shortmsg msg) ;; Set the edebug mode to MODE. @@ -3494,7 +3483,6 @@ This is useful for exiting even if unwind-protect code may be executed." ;; (edebug-set-mode 'exiting "Exit...")) -;;; ----------------------------------------------------------------- ;;; The following initial mode setting definitions are not used yet. '(defconst edebug-initial-mode-alist @@ -3540,9 +3528,7 @@ edebug-mode." (error "Key must map to one of the mode changing commands") ))) - ;;; Evaluation of expressions -;;; =============================== (def-edebug-spec edebug-outside-excursion t) @@ -3583,6 +3569,7 @@ Return the result of the last expression." (defining-kbd-macro edebug-outside-defining-kbd-macro) (pre-command-hook edebug-outside-pre-command-hook) (post-command-hook edebug-outside-post-command-hook) + (post-command-idle-hook edebug-outside-post-command-idle-hook) ;; See edebug-display (overlay-arrow-position edebug-outside-o-a-p) @@ -3624,6 +3611,7 @@ Return the result of the last expression." edebug-outside-defining-kbd-macro defining-kbd-macro edebug-outside-pre-command-hook pre-command-hook edebug-outside-post-command-hook post-command-hook + edebug-outside-post-command-idle-hook post-command-idle-hook edebug-outside-o-a-p overlay-arrow-position edebug-outside-o-a-s overlay-arrow-string @@ -3648,8 +3636,8 @@ Return the result of the last expression." (get (car edebug-err) 'error-message) (car (cdr edebug-err)))))) -;;;; Printing -;;; ========= +;;; Printing + ;; Replace printing functions. ;; obsolete names @@ -3731,8 +3719,7 @@ Return the result of the last expression." (interactive) (message "%s" edebug-previous-result)) -;;;; Read, Eval and Print -;;; ===================== +;;; Read, Eval and Print (defun edebug-eval-expression (edebug-expr) "Evaluate an expression in the outside environment. @@ -3765,9 +3752,7 @@ print value into current buffer." (princ "\n") )) - -;;;; Edebug Minor Mode -;;; =============================== +;;; Edebug Minor Mode ;; Global GUD bindings for all emacs-lisp-mode buffers. (define-key emacs-lisp-mode-map "\C-x\C-a\C-s" 'edebug-step-mode) @@ -3930,9 +3915,8 @@ edebug-global-break-condition " (use-local-map edebug-mode-map)) +;;; edebug eval list mode -;;;; edebug eval list mode -;;; =============================================== ;; A list of expressions and their evaluations is displayed in *edebug*. (defun edebug-eval-result-list () @@ -4067,9 +4051,7 @@ Global commands prefixed by global-edebug-prefix: (setq mode-name "Edebug-Eval") (use-local-map edebug-eval-mode-map)) - -;;;; Interface with standard debugger. -;;; ======================================== +;;; Interface with standard debugger. ;; (setq debugger 'edebug) ; to use the edebug debugger ;; (setq debugger 'debug) ; use the standard debugger @@ -4148,8 +4130,7 @@ show where we last were. Otherwise call debug normally." ))))) -;;;; Trace display -;; =============================== +;;; Trace display (defun edebug-trace-display (buf-name fmt &rest args) "In buffer BUF-NAME, display FMT and ARGS at the end and make it visible. @@ -4184,8 +4165,7 @@ You must include newlines in FMT to break lines, but one newline is appended." (apply 'edebug-trace-display edebug-trace-buffer fmt args)) -;;;; Frequency count and coverage -;;; ============================== +;;; Frequency count and coverage (defun edebug-display-freq-count () "Display the frequency count data for each line of the current @@ -4268,8 +4248,7 @@ It is removed when you hit any char." (undo))) -;;;; Menus -;;;========= +;;; Menus (defun edebug-toggle (variable) (set variable (not (eval variable))) @@ -4336,8 +4315,8 @@ It is removed when you hit any char." "Lemacs style menus for Edebug.") -;;;; Emacs version specific code -;;;============================= +;;; Emacs version specific code + ;;; The default for all above is Emacs 18, because it is easier to compile ;;; Emacs 18 code in Emacs 19 than vice versa. This default will ;;; change once most people are using Emacs 19 or derivatives. @@ -4402,7 +4381,9 @@ Print result in minibuffer." (setq values (cons (edebug-eval edebug-expr) values)) (edebug-safe-prin1-to-string (car values))))) - (easy-menu-define 'edebug edebug-mode-map "Edebug menus" edebug-mode-menus) + (easy-menu-define edebug-menu edebug-mode-map "Edebug menus" edebug-mode-menus) + (if window-system + (x-popup-menu nil (lookup-key edebug-mode-map [menu-bar Edebug]))) ) @@ -4445,8 +4426,8 @@ Print result in minibuffer." (edebug-emacs-version-specific) -;;;; Byte-compiler -;;; ==================== +;;; Byte-compiler + ;; Extension for bytecomp to resolve undefined function references. ;; Requires new byte compiler. @@ -4499,7 +4480,7 @@ Print result in minibuffer." (byte-compile-resolve-functions '(reporter-submit-bug-report - gensym ;; also in cl.el + edebug-gensym ;; also in cl.el ;; Interfaces to standard functions. edebug-original-eval-defun edebug-original-read @@ -4516,7 +4497,7 @@ Print result in minibuffer." popup-menu ;; CL cl-macroexpand-all - ;; And believe it or not, the byte compiler doesnt know about: + ;; And believe it or not, the byte compiler doesn't know about: byte-compile-resolve-functions )) @@ -4530,8 +4511,7 @@ Print result in minibuffer." ))) -;;;; Autoloading of Edebug accessories -;;;=================================== +;;; Autoloading of Edebug accessories (if (featurep 'cl) (add-hook 'edebug-setup-hook @@ -4540,6 +4520,7 @@ Print result in minibuffer." (add-hook 'cl-load-hook (function (lambda () (require 'cl-specs))))) +;;; edebug-cl-read and cl-read are available from liberte@cs.uiuc.edu (if (featurep 'cl-read) (add-hook 'edebug-setup-hook (function (lambda () (require 'edebug-cl-read)))) @@ -4548,8 +4529,7 @@ Print result in minibuffer." (function (lambda () (require 'edebug-cl-read))))) -;;;; Finalize Loading -;;;=================== +;;; Finalize Loading ;;; Finally, hook edebug into the rest of Emacs. ;;; There are probably some other things that could go here. @@ -4560,5 +4540,3 @@ Print result in minibuffer." (provide 'edebug) ;;; edebug.el ends here - - -- 2.39.2