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| author | Richard M. Stallman | 1993-06-07 19:37:18 +0000 |
|---|---|---|
| committer | Richard M. Stallman | 1993-06-07 19:37:18 +0000 |
| commit | dcec1a3b1910fed638ee7521205bcdd757eb6cb7 (patch) | |
| tree | 22ad2769fd381462daf824a3295e271ea5bc6fb0 | |
| parent | 4536d48457b2e2c448eead9ade2b2694f1bcf2c1 (diff) | |
| download | emacs-dcec1a3b1910fed638ee7521205bcdd757eb6cb7.tar.gz emacs-dcec1a3b1910fed638ee7521205bcdd757eb6cb7.zip | |
Doc fixes. Delete local variable list at the end.
(expr-forward-sexp): Renamed from forw-expr.
(expr-backward-sexp): Renamed from back-expr.
| -rw-r--r-- | lisp/gud.el | 84 |
1 files changed, 29 insertions, 55 deletions
diff --git a/lisp/gud.el b/lisp/gud.el index 7be667ba8ba..dc1a5337186 100644 --- a/lisp/gud.el +++ b/lisp/gud.el | |||
| @@ -362,8 +362,8 @@ and source-file directory for your debugger." | |||
| 362 | "Major mode for interacting with an inferior debugger process. | 362 | "Major mode for interacting with an inferior debugger process. |
| 363 | 363 | ||
| 364 | You start it up with one of the commands M-x gdb, M-x sdb, or | 364 | You start it up with one of the commands M-x gdb, M-x sdb, or |
| 365 | M-x dbx. Each entry point finishes by executing a hook; gdb-mode-hook, | 365 | M-x dbx. Each entry point finishes by executing a hook; `gdb-mode-hook', |
| 366 | sdb-mode-hook or dbx-mode-hook respectively. | 366 | `sdb-mode-hook' or `dbx-mode-hook' respectively. |
| 367 | 367 | ||
| 368 | After startup, the following commands are available in both the GUD | 368 | After startup, the following commands are available in both the GUD |
| 369 | interaction buffer and any source buffer GUD visits due to a breakpoint stop | 369 | interaction buffer and any source buffer GUD visits due to a breakpoint stop |
| @@ -398,14 +398,14 @@ frame. \\[gud-down] drops back down through one. | |||
| 398 | If you are using gdb, \\[gdb-finish] runs execution to the return from | 398 | If you are using gdb, \\[gdb-finish] runs execution to the return from |
| 399 | the current function and stops. | 399 | the current function and stops. |
| 400 | 400 | ||
| 401 | All the keystrokes above have synonyms (in the GUD buffer only) with | 401 | All the keystrokes above are accessible in the GUD buffer |
| 402 | a prefix of C-c (this is for backward compatibility with old gdb.el). | 402 | with the prefix C-c, and in all buffers through the prefix C-x C-a. |
| 403 | 403 | ||
| 404 | All pre-defined functions for which the concept make sense repeat | 404 | All pre-defined functions for which the concept make sense repeat |
| 405 | themselves the appropriate number of times if you give a prefix | 405 | themselves the appropriate number of times if you give a prefix |
| 406 | argument. | 406 | argument. |
| 407 | 407 | ||
| 408 | You may use the gud-def macro in the initialization hook to define other | 408 | You may use the `gud-def' macro in the initialization hook to define other |
| 409 | commands. | 409 | commands. |
| 410 | 410 | ||
| 411 | Other commands for interacting with the debugger process are inherited from | 411 | Other commands for interacting with the debugger process are inherited from |
| @@ -666,14 +666,13 @@ Obeying it means displaying in another window the specified file and line." | |||
| 666 | (interactive "P") | 666 | (interactive "P") |
| 667 | (recenter arg) | 667 | (recenter arg) |
| 668 | (gud-display-frame)) | 668 | (gud-display-frame)) |
| 669 | 669 | ||
| 670 | ;;; Code for parsing expressions out of C code. The single entry point is | 670 | ;;; Code for parsing expressions out of C code. The single entry point is |
| 671 | ;;; find-c-expr, which tries to return an lvalue expression from around point. | 671 | ;;; find-c-expr, which tries to return an lvalue expression from around point. |
| 672 | ;;; | 672 | ;;; |
| 673 | ;;; The rest of this file is a hacked version of gdbsrc.el by | 673 | ;;; The rest of this file is a hacked version of gdbsrc.el by |
| 674 | ;;; Debby Ayers <ayers@asc.slb.com>, | 674 | ;;; Debby Ayers <ayers@asc.slb.com>, |
| 675 | ;;; Rich Schaefer <schaefer@asc.slb.com> Schlumberger, Austin, Tx. | 675 | ;;; Rich Schaefer <schaefer@asc.slb.com> Schlumberger, Austin, Tx. |
| 676 | ;;; ??? We're waiting on papers from these people | ||
| 677 | 676 | ||
| 678 | (defun find-c-expr () | 677 | (defun find-c-expr () |
| 679 | "Returns the C expr that surrounds point." | 678 | "Returns the C expr that surrounds point." |
| @@ -686,50 +685,44 @@ Obeying it means displaying in another window the specified file and line." | |||
| 686 | (while (expr-compound test-expr expr) | 685 | (while (expr-compound test-expr expr) |
| 687 | (setq expr (cons (car test-expr) (cdr expr))) | 686 | (setq expr (cons (car test-expr) (cdr expr))) |
| 688 | (goto-char (car expr)) | 687 | (goto-char (car expr)) |
| 689 | (setq test-expr (expr-prev)) | 688 | (setq test-expr (expr-prev))) |
| 690 | ) | ||
| 691 | (goto-char p) | 689 | (goto-char p) |
| 692 | (setq test-expr (expr-next)) | 690 | (setq test-expr (expr-next)) |
| 693 | (while (expr-compound expr test-expr) | 691 | (while (expr-compound expr test-expr) |
| 694 | (setq expr (cons (car expr) (cdr test-expr))) | 692 | (setq expr (cons (car expr) (cdr test-expr))) |
| 695 | (setq test-expr (expr-next)) | 693 | (setq test-expr (expr-next)) |
| 696 | ) | 694 | ) |
| 697 | (buffer-substring (car expr) (cdr expr)) | 695 | (buffer-substring (car expr) (cdr expr))))) |
| 698 | ) | ||
| 699 | ) | ||
| 700 | ) | ||
| 701 | 696 | ||
| 702 | (defun expr-cur () | 697 | (defun expr-cur () |
| 703 | "Returns the expr that point is in; point is set to beginning of expr. | 698 | "Returns the expr that point is in; point is set to beginning of expr. |
| 704 | The expr is represented as a cons cell, where the car specifies the point in | 699 | The expr is represented as a cons cell, where the car specifies the point in |
| 705 | the current buffer that marks the beginning of the expr and the cdr specifies | 700 | the current buffer that marks the beginning of the expr and the cdr specifies |
| 706 | the character after the end of the expr" | 701 | the character after the end of the expr." |
| 707 | (let ((p (point)) (begin) (end)) | 702 | (let ((p (point)) (begin) (end)) |
| 708 | (back-expr) | 703 | (expr-backward-sexp) |
| 709 | (setq begin (point)) | 704 | (setq begin (point)) |
| 710 | (forw-expr) | 705 | (expr-forward-sexp) |
| 711 | (setq end (point)) | 706 | (setq end (point)) |
| 712 | (if (>= p end) | 707 | (if (>= p end) |
| 713 | (progn | 708 | (progn |
| 714 | (setq begin p) | 709 | (setq begin p) |
| 715 | (goto-char p) | 710 | (goto-char p) |
| 716 | (forw-expr) | 711 | (expr-forward-sexp) |
| 717 | (setq end (point)) | 712 | (setq end (point)) |
| 718 | ) | 713 | ) |
| 719 | ) | 714 | ) |
| 720 | (goto-char begin) | 715 | (goto-char begin) |
| 721 | (cons begin end) | 716 | (cons begin end))) |
| 722 | ) | ||
| 723 | ) | ||
| 724 | 717 | ||
| 725 | (defun back-expr () | 718 | (defun expr-backward-sexp () |
| 726 | "Version of backward-sexp that catches errors" | 719 | "Version of `backward-sexp' that catches errors." |
| 727 | (condition-case nil | 720 | (condition-case nil |
| 728 | (backward-sexp) | 721 | (backward-sexp) |
| 729 | (error t))) | 722 | (error t))) |
| 730 | 723 | ||
| 731 | (defun forw-expr () | 724 | (defun expr-forward-sexp () |
| 732 | "Version of forward-sexp that catches errors" | 725 | "Version of `forward-sexp' that catches errors." |
| 733 | (condition-case nil | 726 | (condition-case nil |
| 734 | (forward-sexp) | 727 | (forward-sexp) |
| 735 | (error t))) | 728 | (error t))) |
| @@ -740,9 +733,9 @@ The expr is represented as a cons cell, where the car specifies the point in | |||
| 740 | the current buffer that marks the beginning of the expr and the cdr specifies | 733 | the current buffer that marks the beginning of the expr and the cdr specifies |
| 741 | the character after the end of the expr" | 734 | the character after the end of the expr" |
| 742 | (let ((begin) (end)) | 735 | (let ((begin) (end)) |
| 743 | (back-expr) | 736 | (expr-backward-sexp) |
| 744 | (setq begin (point)) | 737 | (setq begin (point)) |
| 745 | (forw-expr) | 738 | (expr-forward-sexp) |
| 746 | (setq end (point)) | 739 | (setq end (point)) |
| 747 | (goto-char begin) | 740 | (goto-char begin) |
| 748 | (cons begin end))) | 741 | (cons begin end))) |
| @@ -751,16 +744,14 @@ the character after the end of the expr" | |||
| 751 | "Returns the following expr, point is set to beginning of that expr. | 744 | "Returns the following expr, point is set to beginning of that expr. |
| 752 | The expr is represented as a cons cell, where the car specifies the point in | 745 | The expr is represented as a cons cell, where the car specifies the point in |
| 753 | the current buffer that marks the beginning of the expr and the cdr specifies | 746 | the current buffer that marks the beginning of the expr and the cdr specifies |
| 754 | the character after the end of the expr" | 747 | the character after the end of the expr." |
| 755 | (let ((begin) (end)) | 748 | (let ((begin) (end)) |
| 756 | (forw-expr) | 749 | (expr-forward-sexp) |
| 757 | (forw-expr) | 750 | (expr-forward-sexp) |
| 758 | (setq end (point)) | 751 | (setq end (point)) |
| 759 | (back-expr) | 752 | (expr-backward-sexp) |
| 760 | (setq begin (point)) | 753 | (setq begin (point)) |
| 761 | (cons begin end) | 754 | (cons begin end))) |
| 762 | ) | ||
| 763 | ) | ||
| 764 | 755 | ||
| 765 | (defun expr-compound-sep (span-start span-end) | 756 | (defun expr-compound-sep (span-start span-end) |
| 766 | "Returns '.' for '->' & '.', returns ' ' for white space, | 757 | "Returns '.' for '->' & '.', returns ' ' for white space, |
| @@ -780,15 +771,13 @@ returns '?' for other puctuation." | |||
| 780 | (t (setq span-start span-end) | 771 | (t (setq span-start span-end) |
| 781 | (setq result ??))))) | 772 | (setq result ??))))) |
| 782 | (setq span-start (+ span-start 1))) | 773 | (setq span-start (+ span-start 1))) |
| 783 | result | 774 | result)) |
| 784 | ) | ||
| 785 | ) | ||
| 786 | 775 | ||
| 787 | (defun expr-compound (first second) | 776 | (defun expr-compound (first second) |
| 788 | "Returns non-nil if the concatenation of two exprs results in a single C | 777 | "Non-nil if concatenating FIRST and SECOND makes a single C token. |
| 789 | token. The two exprs are represented as a cons cells, where the car | 778 | The two exprs are represented as a cons cells, where the car |
| 790 | specifies the point in the current buffer that marks the beginning of the | 779 | specifies the point in the current buffer that marks the beginning of the |
| 791 | expr and the cdr specifies the character after the end of the expr | 780 | expr and the cdr specifies the character after the end of the expr. |
| 792 | Link exprs of the form: | 781 | Link exprs of the form: |
| 793 | Expr -> Expr | 782 | Expr -> Expr |
| 794 | Expr . Expr | 783 | Expr . Expr |
| @@ -814,21 +803,6 @@ Link exprs of the form: | |||
| 814 | ((= span-end ?[ ) t ) | 803 | ((= span-end ?[ ) t ) |
| 815 | (t nil)) | 804 | (t nil)) |
| 816 | ) | 805 | ) |
| 817 | (t nil)) | 806 | (t nil)))) |
| 818 | ) | ||
| 819 | ) | ||
| 820 | |||
| 821 | ;;; There appears to be a bug in the byte compiler somewhere near macro | ||
| 822 | ;;; handling that (a) generates a spurious message about gud-key-prefix | ||
| 823 | ;;; when the global-set-key clause in gud-def is compiled, (b) generates | ||
| 824 | ;;; incorrect bytecode for gud-def. The symptom of this incorrectness | ||
| 825 | ;;; is that loading gud.elc brings in a compiled gud-def that doesn't | ||
| 826 | ;;; properly perform both global (C-x C-a) and local (C-c) bindings. | ||
| 827 | ;;; The workaround is to always load from source. Consequently, we try | ||
| 828 | ;;; to disable byte-compilation here. | ||
| 829 | ;;; | ||
| 830 | ;;; Local Variables: | ||
| 831 | ;;; no-byte-compile: t | ||
| 832 | ;;; End: | ||
| 833 | 807 | ||
| 834 | ;;; gud.el ends here | 808 | ;;; gud.el ends here |