981 lines
39 KiB
EmacsLisp
981 lines
39 KiB
EmacsLisp
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;;; helm-elisp.el --- Elisp symbols completion for helm. -*- lexical-binding: t -*-
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;; Copyright (C) 2012 ~ 2021 Thierry Volpiatto <thierry.volpiatto@gmail.com>
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;; This program is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with this program. If not, see <http://www.gnu.org/licenses/>.
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;;; Code:
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(require 'cl-lib)
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(require 'helm)
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(require 'helm-lib)
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(require 'helm-help)
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(require 'helm-types)
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(require 'helm-utils)
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(require 'helm-info)
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(require 'helm-eval)
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(require 'helm-files)
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(declare-function helm-describe-function "helm-lib")
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(declare-function helm-describe-variable "helm-lib")
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(declare-function helm-describe-face "helm-lib")
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(declare-function helm-read-file-name "helm-mode")
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(declare-function helm-comp-read "helm-mode")
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(declare-function helm-M-x-transformer-no-sort-no-props "helm-command")
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(defvar helm-M-x-show-short-doc)
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;;; Customizable values
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(defgroup helm-elisp nil
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"Elisp related Applications and libraries for Helm."
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:group 'helm)
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(defcustom helm-turn-on-show-completion t
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"Display candidate in `current-buffer' while moving selection when non--nil."
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:group 'helm-elisp
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:type 'boolean)
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(defcustom helm-show-completion-min-window-height 7
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"Minimum completion window height used in show completion.
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This is used in macro `with-helm-show-completion'."
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:group 'helm-elisp
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:type 'integer)
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(defcustom helm-lisp-quoted-function-list
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'(funcall apply mapc cl-mapc mapcar cl-mapcar
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callf callf2 cl-callf cl-callf2 fset
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fboundp fmakunbound symbol-function)
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"List of function where quoted function completion happen.
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E.g. give only function names after \(funcall '."
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:group 'helm-elisp
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:type '(repeat (choice symbol)))
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(defcustom helm-lisp-unquoted-function-list
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'(function defadvice)
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"List of function where unquoted function completion happen.
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E.g. give only function names after \(function ."
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:group 'helm-elisp
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:type '(repeat (choice symbol)))
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(defcustom helm-apropos-fuzzy-match nil
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"Enable fuzzy matching for `helm-apropos' when non-nil."
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:group 'helm-elisp
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:type 'boolean)
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(defcustom helm-lisp-fuzzy-completion nil
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"Enable fuzzy matching in emacs-lisp completion when non-nil.
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NOTE: This enables fuzzy matching in Helm native implementation of
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elisp completion, but not on helmized elisp completion, i.e. fuzzy
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completion is not available in `completion-at-point'."
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:group 'helm-elisp
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:type 'boolean)
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(defcustom helm-apropos-function-list '(helm-def-source--emacs-commands
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helm-def-source--emacs-functions
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helm-def-source--eieio-classes
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helm-def-source--eieio-generic
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helm-def-source--emacs-variables
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helm-def-source--emacs-faces)
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"A list of functions that build helm sources to use in `helm-apropos'."
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:group 'helm-elisp
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:type '(repeat (choice symbol)))
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(defcustom helm-apropos-defaut-info-lookup-sources '(helm-source-info-elisp
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helm-source-info-cl
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helm-source-info-eieio)
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"A list of sources to look into when searching info page of a symbol."
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:group 'helm-elisp
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:type '(repeat (choice symbol)))
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(defcustom helm-show-completion-display-function
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(if (display-graphic-p)
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#'helm-display-buffer-in-own-frame
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#'helm-show-completion-default-display-function)
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"The function used to display helm completion buffer.
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This function is used by `with-helm-show-completion', when nil
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fallback to `helm-default-display-buffer'.
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Default is to use a separate frame on graphic display and
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`helm-show-completion-default-display-function' on non graphic
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display."
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:group 'helm-elisp
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:type 'function)
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;;; Faces
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;;
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;;
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(defgroup helm-elisp-faces nil
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"Customize the appearance of helm-elisp."
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:prefix "helm-"
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:group 'helm-elisp
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:group 'helm-faces)
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(defface helm-lisp-show-completion
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`((t ,@(and (>= emacs-major-version 27) '(:extend t))
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:background "DarkSlateGray"))
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"Face used for showing candidates in `helm-lisp-completion'."
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:group 'helm-elisp-faces)
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(defface helm-lisp-completion-info
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`((t ,@(and (>= emacs-major-version 27) '(:extend t))
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:foreground "red"))
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"Face used for showing info in `helm-lisp-completion'."
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:group 'helm-elisp-faces)
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(defcustom helm-elisp-help-function
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'helm-elisp-show-help
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"Function for displaying help for Lisp symbols."
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:group 'helm-elisp
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:type '(choice (function :tag "Open help for the symbol."
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helm-elisp-show-help)
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(function :tag "Show one liner in modeline."
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helm-elisp-show-doc-modeline)))
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(defcustom helm-locate-library-fuzzy-match t
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"Enable fuzzy-matching in `helm-locate-library' when non--nil."
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:type 'boolean
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:group 'helm-elisp)
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;;; Show completion.
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;;
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;; Provide show completion with macro `with-helm-show-completion'.
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(defvar helm-show-completion-overlay nil)
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;; Called each time cursor move in helm-buffer.
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(defun helm-show-completion ()
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(with-helm-current-buffer
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(overlay-put helm-show-completion-overlay
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'display (substring-no-properties
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(helm-get-selection)))))
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(defun helm-show-completion-init-overlay (beg end)
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(setq helm-show-completion-overlay (make-overlay beg end))
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(overlay-put helm-show-completion-overlay
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'face 'helm-lisp-show-completion))
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(defun helm-show-completion-default-display-function (buffer &rest _args)
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"A special resized Helm window is used depending on position in BUFFER."
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(with-selected-window (selected-window)
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(if (window-dedicated-p)
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(helm-default-display-buffer buffer)
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(let* ((screen-size (+ (count-screen-lines (window-start) (point) t)
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1 ; mode-line
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(if header-line-format 1 0))) ; header-line
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(def-size (- (window-height)
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helm-show-completion-min-window-height))
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(upper-height (max window-min-height (min screen-size def-size)))
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split-window-keep-point)
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(recenter -1)
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(set-window-buffer (if (active-minibuffer-window)
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(minibuffer-selected-window)
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(split-window nil upper-height
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helm-split-window-default-side))
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buffer)))))
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(defmacro with-helm-show-completion (beg end &rest body)
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"Show Helm candidate in an overlay at point.
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BEG and END are the beginning and end position of the current
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completion in `helm-current-buffer'.
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BODY is an Helm call where we want to enable show completion.
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If `helm-turn-on-show-completion' is nil do nothing."
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(declare (indent 2) (debug t))
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`(unwind-protect
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(if helm-turn-on-show-completion
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(let ((helm-move-selection-after-hook
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(append (list 'helm-show-completion)
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helm-move-selection-after-hook))
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(helm-split-window-default-side
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(if (eq helm-split-window-default-side 'same)
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'below helm-split-window-default-side))
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helm-split-window-inside-p
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helm-reuse-last-window-split-state)
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(helm-set-local-variable
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'helm-display-function
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(or helm-show-completion-display-function
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'helm-default-display-buffer))
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(helm-show-completion-init-overlay ,beg ,end)
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,@body)
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,@body)
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(when (and helm-show-completion-overlay
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(overlayp helm-show-completion-overlay))
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(delete-overlay helm-show-completion-overlay))))
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;;; Lisp symbol completion.
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;;
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;;
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(defun helm-lisp-completion--predicate-at-point (beg)
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;; Return a predicate for `all-completions'.
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(let ((fn-sym-p (lambda ()
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(or
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(and (eq (char-before) ?\ )
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(save-excursion
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(skip-syntax-backward " " (point-at-bol))
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(memq (symbol-at-point)
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helm-lisp-unquoted-function-list)))
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(and (eq (char-before) ?\')
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(save-excursion
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(forward-char -1)
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(eq (char-before) ?\#)))))))
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(save-excursion
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(goto-char beg)
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(if (or
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;; Complete on all symbols in non--lisp modes (logs mail etc..)
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(not (memq major-mode '(emacs-lisp-mode
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lisp-interaction-mode
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inferior-emacs-lisp-mode)))
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(not (or (funcall fn-sym-p)
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(and (eq (char-before) ?\')
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(save-excursion
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(forward-char (if (funcall fn-sym-p) -2 -1))
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(skip-syntax-backward " " (point-at-bol))
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(memq (symbol-at-point)
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helm-lisp-quoted-function-list)))
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(eq (char-before) ?\())) ; no paren before str.
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;; Looks like we are in a let statement.
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(condition-case nil
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(progn (up-list -2) (forward-char 1)
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(eq (char-after) ?\())
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(error nil)))
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(lambda (sym)
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(or (boundp sym) (fboundp sym) (symbol-plist sym)))
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#'fboundp))))
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(defun helm-thing-before-point (&optional limits regexp)
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"Return symbol name before point.
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If REGEXP is specified return what REGEXP find before point.
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By default match the beginning of symbol before point.
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With LIMITS arg specified return the beginning and end position
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of symbol before point."
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(save-excursion
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(let (beg
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(end (point))
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(boundary (field-beginning nil nil (point-at-bol))))
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(if (re-search-backward (or regexp "\\_<") boundary t)
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(setq beg (match-end 0))
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(setq beg boundary))
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(unless (= beg end)
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(if limits
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(cons beg end)
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(buffer-substring-no-properties beg end))))))
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(defun helm-bounds-of-thing-before-point (&optional regexp)
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"Get the beginning and end position of `helm-thing-before-point'.
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Return a cons \(beg . end\)."
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(helm-thing-before-point 'limits regexp))
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(defun helm-insert-completion-at-point (beg end str)
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;; When there is no space after point
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;; we are completing inside a symbol or
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;; after a partial symbol with the next arg aside
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;; without space, in this case mark the region.
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;; deleting it would remove the
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;; next arg which is unwanted.
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(delete-region beg end)
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(insert str)
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(let ((pos (cdr (or (bounds-of-thing-at-point 'symbol)
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;; needed for helm-dabbrev.
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(bounds-of-thing-at-point 'filename)))))
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(when (and pos (< (point) pos))
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(push-mark pos t t))))
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(defvar helm-lisp-completion--cache nil)
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(defvar helm-lgst-len nil)
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;;;###autoload
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(defun helm-lisp-completion-at-point ()
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"Preconfigured Helm for Lisp symbol completion at point."
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(interactive)
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(setq helm-lgst-len 0)
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(let* ((target (helm-thing-before-point))
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(beg (car (helm-bounds-of-thing-before-point)))
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(end (point))
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(pred (and beg (helm-lisp-completion--predicate-at-point beg)))
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(loc-vars (and (fboundp 'elisp--local-variables)
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(ignore-errors
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(mapcar #'symbol-name (elisp--local-variables)))))
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(glob-syms (and target pred (all-completions target obarray pred)))
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(candidates (append loc-vars glob-syms))
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(helm-quit-if-no-candidate t)
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(helm-execute-action-at-once-if-one t)
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(enable-recursive-minibuffers t))
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(setq helm-lisp-completion--cache (cl-loop for sym in candidates
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for len = (length sym)
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when (> len helm-lgst-len)
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do (setq helm-lgst-len len)
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collect sym))
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(if candidates
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(with-helm-show-completion beg end
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;; Overlay is initialized now in helm-current-buffer.
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|||
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(helm
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|||
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:sources (helm-build-in-buffer-source "Lisp completion"
|
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:data helm-lisp-completion--cache
|
|||
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:persistent-action `(helm-lisp-completion-persistent-action .
|
|||
|
|
,(and (eq helm-elisp-help-function
|
|||
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'helm-elisp-show-doc-modeline)
|
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'never-split))
|
|||
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:nomark t
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|||
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:match-part (lambda (c) (car (split-string c)))
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|||
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:fuzzy-match helm-lisp-fuzzy-completion
|
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:persistent-help (helm-lisp-completion-persistent-help)
|
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|
|
:filtered-candidate-transformer
|
|||
|
|
'helm-lisp-completion-transformer
|
|||
|
|
:action (lambda (candidate)
|
|||
|
|
(with-helm-current-buffer
|
|||
|
|
(run-with-timer
|
|||
|
|
0.01 nil
|
|||
|
|
'helm-insert-completion-at-point
|
|||
|
|
beg end candidate))))
|
|||
|
|
:input (if helm-lisp-fuzzy-completion
|
|||
|
|
target (concat target " "))
|
|||
|
|
:resume 'noresume
|
|||
|
|
:truncate-lines t
|
|||
|
|
:buffer "*helm lisp completion*"
|
|||
|
|
:allow-nest t))
|
|||
|
|
(message "[No Match]"))))
|
|||
|
|
|
|||
|
|
(defun helm-lisp-completion-persistent-action (candidate &optional name)
|
|||
|
|
"Show documentation for the function.
|
|||
|
|
Documentation is shown briefly in mode-line or completely in
|
|||
|
|
other window according to the value of
|
|||
|
|
`helm-elisp-help-function'."
|
|||
|
|
(funcall helm-elisp-help-function candidate name))
|
|||
|
|
|
|||
|
|
(defun helm-lisp-completion-persistent-help ()
|
|||
|
|
"Return persistent-help according to the value of `helm-elisp-help-function'"
|
|||
|
|
(cl-ecase helm-elisp-help-function
|
|||
|
|
(helm-elisp-show-doc-modeline "Show brief doc in mode-line")
|
|||
|
|
(helm-elisp-show-help "Toggle show help for the symbol")))
|
|||
|
|
|
|||
|
|
(defun helm-elisp--show-help-1 (candidate &optional name)
|
|||
|
|
(let ((sym (intern-soft candidate)))
|
|||
|
|
(cl-typecase sym
|
|||
|
|
((and fboundp boundp)
|
|||
|
|
(if (member name `(,helm-describe-function-function ,helm-describe-variable-function))
|
|||
|
|
(funcall (intern (format "helm-%s" name)) sym)
|
|||
|
|
;; When there is no way to know what to describe
|
|||
|
|
;; prefer describe-function.
|
|||
|
|
(helm-describe-function sym)))
|
|||
|
|
(fbound (helm-describe-function sym))
|
|||
|
|
(bound (helm-describe-variable sym))
|
|||
|
|
(face (helm-describe-face sym)))))
|
|||
|
|
|
|||
|
|
(defun helm-elisp-show-help (candidate &optional name)
|
|||
|
|
"Show full help for the function CANDIDATE.
|
|||
|
|
Arg NAME specifies the name of the top level function calling
|
|||
|
|
Helm generic completion (e.g., \"describe-function\") which
|
|||
|
|
allows calling the right function when CANDIDATE symbol refers at
|
|||
|
|
the same time to variable and a function."
|
|||
|
|
(helm-elisp--persistent-help
|
|||
|
|
candidate 'helm-elisp--show-help-1 name))
|
|||
|
|
|
|||
|
|
(defun helm-elisp-show-doc-modeline (candidate &optional name)
|
|||
|
|
"Show brief documentation for the function in the mode-line."
|
|||
|
|
(let ((cursor-in-echo-area t)
|
|||
|
|
mode-line-in-non-selected-windows)
|
|||
|
|
(helm-show-info-in-mode-line
|
|||
|
|
(propertize
|
|||
|
|
(helm-get-first-line-documentation
|
|||
|
|
(intern candidate) name)
|
|||
|
|
'face 'helm-lisp-completion-info))))
|
|||
|
|
|
|||
|
|
(defun helm-lisp-completion-transformer (candidates _source)
|
|||
|
|
"Helm candidates transformer for Lisp completion."
|
|||
|
|
(cl-loop for c in candidates
|
|||
|
|
for sym = (intern c)
|
|||
|
|
for annot = (cl-typecase sym
|
|||
|
|
(command " (Com)")
|
|||
|
|
(class " (Class)")
|
|||
|
|
(cl-generic " (Gen)")
|
|||
|
|
(fbound " (Fun)")
|
|||
|
|
(bound " (Var)")
|
|||
|
|
(face " (Face)"))
|
|||
|
|
for spaces = (make-string (- helm-lgst-len (length c)) ? )
|
|||
|
|
collect (cons (concat c spaces annot) c) into lst
|
|||
|
|
finally return (sort lst #'helm-generic-sort-fn)))
|
|||
|
|
|
|||
|
|
(defun helm-get-first-line-documentation (sym &optional name)
|
|||
|
|
"Return first line documentation of symbol SYM.
|
|||
|
|
If SYM is not documented, return \"Not documented\"."
|
|||
|
|
(let ((doc (cl-typecase sym
|
|||
|
|
((and fboundp boundp)
|
|||
|
|
(cond ((string= name "describe-function")
|
|||
|
|
(documentation sym t))
|
|||
|
|
((string= name "describe-variable")
|
|||
|
|
(documentation-property sym 'variable-documentation t))
|
|||
|
|
(t (documentation sym t))))
|
|||
|
|
(fbound (documentation sym t))
|
|||
|
|
(bound (documentation-property sym 'variable-documentation t))
|
|||
|
|
(face (face-documentation sym)))))
|
|||
|
|
(if (and doc (not (string= doc ""))
|
|||
|
|
;; `documentation' return "\n\n(args...)"
|
|||
|
|
;; for CL-style functions.
|
|||
|
|
(not (string-match-p "^\n\n" doc)))
|
|||
|
|
;; Some commands specify key bindings in their first line.
|
|||
|
|
(substitute-command-keys (car (split-string doc "\n")))
|
|||
|
|
"Not documented")))
|
|||
|
|
|
|||
|
|
;;; File completion.
|
|||
|
|
;;
|
|||
|
|
;; Complete file name at point.
|
|||
|
|
|
|||
|
|
;;;###autoload
|
|||
|
|
(defun helm-complete-file-name-at-point (&optional force)
|
|||
|
|
"Preconfigured Helm to complete file name at point."
|
|||
|
|
(interactive)
|
|||
|
|
(require 'helm-mode)
|
|||
|
|
(let* ((tap (or (thing-at-point 'filename) ""))
|
|||
|
|
beg
|
|||
|
|
(init (and tap
|
|||
|
|
(or force
|
|||
|
|
(save-excursion
|
|||
|
|
(end-of-line)
|
|||
|
|
(search-backward tap (point-at-bol) t)
|
|||
|
|
(setq beg (point))
|
|||
|
|
(looking-back "[^'`( ]" (1- (point)))))
|
|||
|
|
(expand-file-name
|
|||
|
|
(substring-no-properties tap))))
|
|||
|
|
(end (point))
|
|||
|
|
(helm-quit-if-no-candidate t)
|
|||
|
|
(helm-execute-action-at-once-if-one t)
|
|||
|
|
completion)
|
|||
|
|
(with-helm-show-completion beg end
|
|||
|
|
(setq completion (helm-read-file-name "FileName: "
|
|||
|
|
:initial-input init)))
|
|||
|
|
(when (and completion (not (string= completion "")))
|
|||
|
|
(delete-region beg end) (insert (if (string-match "^~" tap)
|
|||
|
|
(abbreviate-file-name completion)
|
|||
|
|
completion)))))
|
|||
|
|
|
|||
|
|
;;;###autoload
|
|||
|
|
(defun helm-lisp-indent ()
|
|||
|
|
;; It is meant to use with `helm-define-multi-key' which
|
|||
|
|
;; does not support args for functions yet, so use `current-prefix-arg'
|
|||
|
|
;; for now instead of (interactive "P").
|
|||
|
|
(interactive)
|
|||
|
|
(let ((tab-always-indent (or (eq tab-always-indent 'complete)
|
|||
|
|
tab-always-indent)))
|
|||
|
|
(indent-for-tab-command current-prefix-arg)))
|
|||
|
|
|
|||
|
|
;;;###autoload
|
|||
|
|
(defun helm-lisp-completion-or-file-name-at-point ()
|
|||
|
|
"Preconfigured Helm to complete Lisp symbol or filename at point.
|
|||
|
|
Filename completion happens if string start after or between a
|
|||
|
|
double quote."
|
|||
|
|
(interactive)
|
|||
|
|
(let* ((tap (thing-at-point 'filename)))
|
|||
|
|
(if (and tap (save-excursion
|
|||
|
|
(end-of-line)
|
|||
|
|
(search-backward tap (point-at-bol) t)
|
|||
|
|
(looking-back "[^'`( ]" (1- (point)))))
|
|||
|
|
(helm-complete-file-name-at-point)
|
|||
|
|
(helm-lisp-completion-at-point))))
|
|||
|
|
|
|||
|
|
|
|||
|
|
;;; Apropos
|
|||
|
|
;;
|
|||
|
|
;;
|
|||
|
|
(defvar helm-apropos-history nil)
|
|||
|
|
|
|||
|
|
(defun helm-apropos-init (test default)
|
|||
|
|
"Init candidates buffer for `helm-apropos' sources."
|
|||
|
|
(require 'helm-help)
|
|||
|
|
(helm-init-candidates-in-buffer 'global
|
|||
|
|
(let ((default-symbol (and (stringp default)
|
|||
|
|
(intern-soft default)))
|
|||
|
|
(symbols (all-completions "" obarray test)))
|
|||
|
|
(if (and default-symbol (funcall test default-symbol))
|
|||
|
|
(cons default-symbol symbols)
|
|||
|
|
symbols))))
|
|||
|
|
|
|||
|
|
(defun helm-apropos-init-faces (default)
|
|||
|
|
"Init candidates buffer for faces for `helm-apropos'."
|
|||
|
|
(require 'helm-help)
|
|||
|
|
(with-current-buffer (helm-candidate-buffer 'global)
|
|||
|
|
(goto-char (point-min))
|
|||
|
|
(let ((default-symbol (and (stringp default)
|
|||
|
|
(intern-soft default)))
|
|||
|
|
(faces (face-list)))
|
|||
|
|
(when (and default-symbol (facep default-symbol))
|
|||
|
|
(insert (concat default "\n")))
|
|||
|
|
(insert
|
|||
|
|
(mapconcat #'prin1-to-string
|
|||
|
|
(if default
|
|||
|
|
(cl-remove-if (lambda (sym) (string= sym default)) faces)
|
|||
|
|
faces)
|
|||
|
|
"\n")))))
|
|||
|
|
|
|||
|
|
(defun helm-apropos-default-sort-fn (candidates _source)
|
|||
|
|
(if (string= helm-pattern "")
|
|||
|
|
candidates
|
|||
|
|
(sort candidates #'helm-generic-sort-fn)))
|
|||
|
|
|
|||
|
|
(defun helm-apropos-clean-history-variable (candidate)
|
|||
|
|
(with-helm-current-buffer ; var is maybe local
|
|||
|
|
(let* ((sym (intern-soft candidate))
|
|||
|
|
(cands (symbol-value sym))
|
|||
|
|
(mkds (and (listp cands)
|
|||
|
|
(helm-comp-read "Delete entry: "
|
|||
|
|
cands :marked-candidates t))))
|
|||
|
|
(cl-assert (listp mkds) nil "Variable value is not a list")
|
|||
|
|
(cl-loop for elm in mkds do
|
|||
|
|
(if (local-variable-p sym)
|
|||
|
|
(set (make-local-variable sym)
|
|||
|
|
(setq cands (delete elm cands)))
|
|||
|
|
(set sym (setq cands (delete elm cands))))))))
|
|||
|
|
|
|||
|
|
(defun helm-apropos-clean-ring (candidate)
|
|||
|
|
(with-helm-current-buffer ; var is maybe local
|
|||
|
|
(let* ((sym (intern-soft candidate))
|
|||
|
|
(val (symbol-value sym))
|
|||
|
|
(cands (and (ring-p val) (ring-elements val)))
|
|||
|
|
(mkds (and cands (helm-comp-read
|
|||
|
|
"Delete entry: "
|
|||
|
|
cands :marked-candidates t))))
|
|||
|
|
(when mkds
|
|||
|
|
(cl-loop for elm in mkds do
|
|||
|
|
(ring-remove
|
|||
|
|
val (helm-position
|
|||
|
|
elm
|
|||
|
|
(ring-elements val)
|
|||
|
|
:test 'equal))
|
|||
|
|
and do (if (local-variable-p sym)
|
|||
|
|
(set (make-local-variable sym) val)
|
|||
|
|
(set sym val)))))))
|
|||
|
|
|
|||
|
|
(defun helm-apropos-action-transformer (actions candidate)
|
|||
|
|
(let* ((sym (helm-symbolify candidate))
|
|||
|
|
(val (with-helm-current-buffer (symbol-value sym))))
|
|||
|
|
(cond ((custom-variable-p sym)
|
|||
|
|
(append
|
|||
|
|
actions
|
|||
|
|
(let ((standard-value (eval (car (get sym 'standard-value)))))
|
|||
|
|
(unless (equal standard-value (symbol-value sym))
|
|||
|
|
`(("Reset Variable to default value"
|
|||
|
|
. ,(lambda (candidate)
|
|||
|
|
(let ((sym (helm-symbolify candidate)))
|
|||
|
|
(set sym standard-value)))))))
|
|||
|
|
'(("Customize variable" .
|
|||
|
|
(lambda (candidate)
|
|||
|
|
(customize-option (helm-symbolify candidate)))))))
|
|||
|
|
((and val (with-helm-current-buffer (ring-p (symbol-value sym))))
|
|||
|
|
(append actions
|
|||
|
|
'(("Clean ring" . helm-apropos-clean-ring))))
|
|||
|
|
((and (string-match-p "history" candidate) (listp val))
|
|||
|
|
(append actions
|
|||
|
|
'(("Clean variable" .
|
|||
|
|
helm-apropos-clean-history-variable))))
|
|||
|
|
(t actions))))
|
|||
|
|
|
|||
|
|
(defun helm-def-source--emacs-variables (&optional default)
|
|||
|
|
(helm-build-in-buffer-source "Variables"
|
|||
|
|
:init (lambda ()
|
|||
|
|
(helm-apropos-init
|
|||
|
|
(lambda (x) (and (boundp x) (not (keywordp x)))) default))
|
|||
|
|
:fuzzy-match helm-apropos-fuzzy-match
|
|||
|
|
:filtered-candidate-transformer (and (null helm-apropos-fuzzy-match)
|
|||
|
|
'helm-apropos-default-sort-fn)
|
|||
|
|
:nomark t
|
|||
|
|
:persistent-action (lambda (candidate)
|
|||
|
|
(helm-elisp--persistent-help
|
|||
|
|
candidate 'helm-describe-variable))
|
|||
|
|
:persistent-help "Toggle describe variable"
|
|||
|
|
:action '(("Describe variable" . helm-describe-variable)
|
|||
|
|
("Find variable" . helm-find-variable)
|
|||
|
|
("Info lookup" . helm-info-lookup-symbol)
|
|||
|
|
("Set variable" . helm-set-variable))
|
|||
|
|
:action-transformer 'helm-apropos-action-transformer))
|
|||
|
|
|
|||
|
|
(defun helm-def-source--emacs-faces (&optional default)
|
|||
|
|
"Create `helm' source for faces to be displayed with
|
|||
|
|
`helm-apropos'."
|
|||
|
|
(helm-build-in-buffer-source "Faces"
|
|||
|
|
:init (lambda () (helm-apropos-init-faces default))
|
|||
|
|
:fuzzy-match helm-apropos-fuzzy-match
|
|||
|
|
:filtered-candidate-transformer
|
|||
|
|
(append (and (null helm-apropos-fuzzy-match)
|
|||
|
|
'(helm-apropos-default-sort-fn))
|
|||
|
|
(list
|
|||
|
|
(lambda (candidates _source)
|
|||
|
|
(cl-loop for c in candidates
|
|||
|
|
collect (propertize c 'face (intern c))))))
|
|||
|
|
:persistent-action (lambda (candidate)
|
|||
|
|
(helm-elisp--persistent-help
|
|||
|
|
candidate 'helm-describe-face))
|
|||
|
|
:persistent-help "Toggle describe face"
|
|||
|
|
:action '(("Describe face" . helm-describe-face)
|
|||
|
|
("Find face" . helm-find-face-definition)
|
|||
|
|
("Customize face" . (lambda (candidate)
|
|||
|
|
(customize-face (helm-symbolify candidate)))))))
|
|||
|
|
|
|||
|
|
(defun helm-def-source--emacs-commands (&optional default)
|
|||
|
|
(require 'helm-command)
|
|||
|
|
(helm-build-in-buffer-source "Commands"
|
|||
|
|
:init (lambda ()
|
|||
|
|
(helm-apropos-init 'commandp default))
|
|||
|
|
:fuzzy-match helm-apropos-fuzzy-match
|
|||
|
|
:filtered-candidate-transformer
|
|||
|
|
(append (list #'helm-M-x-transformer-no-sort-no-props)
|
|||
|
|
(and (null helm-apropos-fuzzy-match)
|
|||
|
|
'(helm-apropos-default-sort-fn)))
|
|||
|
|
:display-to-real 'helm-symbolify
|
|||
|
|
:nomark t
|
|||
|
|
:persistent-action (lambda (candidate)
|
|||
|
|
(helm-elisp--persistent-help
|
|||
|
|
candidate 'helm-describe-function))
|
|||
|
|
:persistent-help "Toggle describe command"
|
|||
|
|
:action 'helm-type-function-actions))
|
|||
|
|
|
|||
|
|
(defun helm-def-source--emacs-functions (&optional default)
|
|||
|
|
(helm-build-in-buffer-source "Functions"
|
|||
|
|
:init (lambda ()
|
|||
|
|
(helm-apropos-init (lambda (x)
|
|||
|
|
(and (fboundp x)
|
|||
|
|
(not (commandp x))
|
|||
|
|
(not (cl-generic-p x))
|
|||
|
|
(not (class-p x))))
|
|||
|
|
default))
|
|||
|
|
:fuzzy-match helm-apropos-fuzzy-match
|
|||
|
|
:filtered-candidate-transformer (and (null helm-apropos-fuzzy-match)
|
|||
|
|
'helm-apropos-default-sort-fn)
|
|||
|
|
:display-to-real 'helm-symbolify
|
|||
|
|
:persistent-action (lambda (candidate)
|
|||
|
|
(helm-elisp--persistent-help
|
|||
|
|
candidate 'helm-describe-function))
|
|||
|
|
:persistent-help "Toggle describe function"
|
|||
|
|
:nomark t
|
|||
|
|
:action 'helm-type-function-actions))
|
|||
|
|
|
|||
|
|
(defun helm-def-source--eieio-classes (&optional default)
|
|||
|
|
(helm-build-in-buffer-source "Classes"
|
|||
|
|
:init (lambda ()
|
|||
|
|
(helm-apropos-init (lambda (x)
|
|||
|
|
(class-p x))
|
|||
|
|
default))
|
|||
|
|
:fuzzy-match helm-apropos-fuzzy-match
|
|||
|
|
:filtered-candidate-transformer (and (null helm-apropos-fuzzy-match)
|
|||
|
|
'helm-apropos-default-sort-fn)
|
|||
|
|
:nomark t
|
|||
|
|
:persistent-action (lambda (candidate)
|
|||
|
|
(helm-elisp--persistent-help
|
|||
|
|
candidate 'helm-describe-class))
|
|||
|
|
:persistent-help "Toggle describe class"
|
|||
|
|
:action '(("Describe Class" . helm-describe-class)
|
|||
|
|
("Find Class" . helm-find-function)
|
|||
|
|
("Info lookup" . helm-info-lookup-symbol))))
|
|||
|
|
|
|||
|
|
(defun helm-def-source--eieio-generic (&optional default)
|
|||
|
|
(helm-build-in-buffer-source "Generic functions"
|
|||
|
|
:init (lambda ()
|
|||
|
|
(helm-apropos-init (lambda (x)
|
|||
|
|
(cl-generic-p x))
|
|||
|
|
default))
|
|||
|
|
:fuzzy-match helm-apropos-fuzzy-match
|
|||
|
|
:filtered-candidate-transformer (and (null helm-apropos-fuzzy-match)
|
|||
|
|
'helm-apropos-default-sort-fn)
|
|||
|
|
:nomark t
|
|||
|
|
:persistent-action (lambda (candidate)
|
|||
|
|
(helm-elisp--persistent-help
|
|||
|
|
candidate 'helm-describe-function))
|
|||
|
|
:persistent-help "Toggle describe generic function"
|
|||
|
|
:action '(("Describe function" . helm-describe-function)
|
|||
|
|
("Find function" . helm-find-function)
|
|||
|
|
("Info lookup" . helm-info-lookup-symbol))))
|
|||
|
|
|
|||
|
|
(defun helm-info-lookup-fallback-source (candidate)
|
|||
|
|
(let ((sym (helm-symbolify candidate))
|
|||
|
|
src-name fn)
|
|||
|
|
(cond ((class-p sym)
|
|||
|
|
(setq fn #'helm-describe-function
|
|||
|
|
src-name "Describe class"))
|
|||
|
|
((cl-generic-p sym)
|
|||
|
|
(setq fn #'helm-describe-function
|
|||
|
|
src-name "Describe generic function"))
|
|||
|
|
((fboundp sym)
|
|||
|
|
(setq fn #'helm-describe-function
|
|||
|
|
src-name "Describe function"))
|
|||
|
|
((facep sym)
|
|||
|
|
(setq fn #'helm-describe-face
|
|||
|
|
src-name "Describe face"))
|
|||
|
|
(t
|
|||
|
|
(setq fn #'helm-describe-variable
|
|||
|
|
src-name "Describe variable")))
|
|||
|
|
(helm-build-sync-source src-name
|
|||
|
|
:candidates (list candidate)
|
|||
|
|
:persistent-action (lambda (candidate)
|
|||
|
|
(helm-elisp--persistent-help
|
|||
|
|
candidate fn))
|
|||
|
|
:persistent-help src-name
|
|||
|
|
:nomark t
|
|||
|
|
:action fn)))
|
|||
|
|
|
|||
|
|
(defun helm-info-lookup-symbol-1 (c)
|
|||
|
|
(let ((helm-execute-action-at-once-if-one 'current-source))
|
|||
|
|
(helm :sources (append helm-apropos-defaut-info-lookup-sources
|
|||
|
|
(list (helm-info-lookup-fallback-source c)))
|
|||
|
|
:resume 'noresume
|
|||
|
|
:buffer "*helm lookup*"
|
|||
|
|
:input (helm-stringify c))))
|
|||
|
|
|
|||
|
|
(defun helm-info-lookup-symbol (candidate)
|
|||
|
|
;; ???:Running an idle-timer allows not catching RET when exiting
|
|||
|
|
;; with the fallback source.
|
|||
|
|
;; (run-with-idle-timer 0.01 nil #'helm-info-lookup-symbol-1 candidate)
|
|||
|
|
(helm-info-lookup-symbol-1 candidate))
|
|||
|
|
|
|||
|
|
;;;###autoload
|
|||
|
|
(defun helm-apropos (default)
|
|||
|
|
"Preconfigured Helm to describe commands, functions, variables and faces.
|
|||
|
|
In non interactives calls DEFAULT argument should be provided as
|
|||
|
|
a string, i.e. the `symbol-name' of any existing symbol."
|
|||
|
|
(interactive (list (with-syntax-table emacs-lisp-mode-syntax-table
|
|||
|
|
(thing-at-point 'symbol))))
|
|||
|
|
(let (helm-M-x-show-short-doc)
|
|||
|
|
(helm :sources
|
|||
|
|
(mapcar (lambda (func)
|
|||
|
|
(funcall func default))
|
|||
|
|
helm-apropos-function-list)
|
|||
|
|
:history 'helm-apropos-history
|
|||
|
|
:buffer "*helm apropos*"
|
|||
|
|
:preselect (and default (concat "\\_<" (regexp-quote default) "\\_>")))))
|
|||
|
|
|
|||
|
|
|
|||
|
|
;;; Advices
|
|||
|
|
;;
|
|||
|
|
;;
|
|||
|
|
(defvar ad-advised-functions)
|
|||
|
|
(defvar ad-advice-classes)
|
|||
|
|
(declare-function ad-make-single-advice-docstring "advice")
|
|||
|
|
(declare-function ad-get-advice-info-field "advice")
|
|||
|
|
(declare-function ad-advice-set-enabled "advice")
|
|||
|
|
(declare-function ad-advice-set-enabled "advice")
|
|||
|
|
(declare-function ad-advice-enabled "advice")
|
|||
|
|
|
|||
|
|
(defvar helm-source-advice
|
|||
|
|
(helm-build-sync-source "Function Advice"
|
|||
|
|
:init (lambda () (require 'advice))
|
|||
|
|
:candidates 'helm-advice-candidates
|
|||
|
|
:action (helm-make-actions "Toggle Enable/Disable" 'helm-advice-toggle)
|
|||
|
|
:persistent-action 'helm-advice-persistent-action
|
|||
|
|
:nomark t
|
|||
|
|
:multiline t
|
|||
|
|
:persistent-help "Toggle describe function / C-u C-j: Toggle advice"))
|
|||
|
|
|
|||
|
|
(defun helm-advice-candidates ()
|
|||
|
|
(cl-loop for (fname) in ad-advised-functions
|
|||
|
|
for function = (intern fname)
|
|||
|
|
append
|
|||
|
|
(cl-loop for class in ad-advice-classes append
|
|||
|
|
(cl-loop for advice in (ad-get-advice-info-field function class)
|
|||
|
|
for enabled = (ad-advice-enabled advice)
|
|||
|
|
collect
|
|||
|
|
(cons (format
|
|||
|
|
"%s %s %s"
|
|||
|
|
(if enabled "Enabled " "Disabled")
|
|||
|
|
(propertize fname 'face 'font-lock-function-name-face)
|
|||
|
|
(ad-make-single-advice-docstring advice class nil))
|
|||
|
|
(list function class advice))))))
|
|||
|
|
|
|||
|
|
(defun helm-advice-persistent-action (func-class-advice)
|
|||
|
|
(if current-prefix-arg
|
|||
|
|
(helm-advice-toggle func-class-advice)
|
|||
|
|
(describe-function (car func-class-advice))))
|
|||
|
|
|
|||
|
|
(defun helm-advice-toggle (func-class-advice)
|
|||
|
|
(cl-destructuring-bind (function _class advice) func-class-advice
|
|||
|
|
(cond ((ad-advice-enabled advice)
|
|||
|
|
(ad-advice-set-enabled advice nil)
|
|||
|
|
(message "Disabled"))
|
|||
|
|
(t
|
|||
|
|
(ad-advice-set-enabled advice t)
|
|||
|
|
(message "Enabled")))
|
|||
|
|
(ad-activate function)
|
|||
|
|
(and helm-in-persistent-action
|
|||
|
|
(helm-advice-update-current-display-string))))
|
|||
|
|
|
|||
|
|
(defun helm-advice-update-current-display-string ()
|
|||
|
|
(helm-edit-current-selection
|
|||
|
|
(let ((newword (cond ((looking-at "Disabled") "Enabled")
|
|||
|
|
((looking-at "Enabled") "Disabled"))))
|
|||
|
|
(when newword
|
|||
|
|
(delete-region (point) (progn (forward-word 1) (point)))
|
|||
|
|
(insert newword)))))
|
|||
|
|
|
|||
|
|
;;;###autoload
|
|||
|
|
(defun helm-manage-advice ()
|
|||
|
|
"Preconfigured `helm' to disable/enable function advices."
|
|||
|
|
(interactive)
|
|||
|
|
(helm-other-buffer 'helm-source-advice "*helm advice*"))
|
|||
|
|
|
|||
|
|
|
|||
|
|
;;; Locate elisp library
|
|||
|
|
;;
|
|||
|
|
;;
|
|||
|
|
(defun helm-locate-library-scan-list ()
|
|||
|
|
(cl-loop for dir in load-path
|
|||
|
|
with load-suffixes = '(".el")
|
|||
|
|
when (file-directory-p dir)
|
|||
|
|
append (directory-files
|
|||
|
|
dir t (concat (regexp-opt (get-load-suffixes))
|
|||
|
|
"\\'"))))
|
|||
|
|
|
|||
|
|
;;;###autoload
|
|||
|
|
(defun helm-locate-library ()
|
|||
|
|
"Preconfigured helm to locate elisp libraries."
|
|||
|
|
(interactive)
|
|||
|
|
(helm :sources (helm-build-in-buffer-source "Elisp libraries (Scan)"
|
|||
|
|
:data #'helm-locate-library-scan-list
|
|||
|
|
:fuzzy-match helm-locate-library-fuzzy-match
|
|||
|
|
:keymap helm-generic-files-map
|
|||
|
|
:search (unless helm-locate-library-fuzzy-match
|
|||
|
|
(lambda (regexp)
|
|||
|
|
(re-search-forward
|
|||
|
|
(if helm-ff-transformer-show-only-basename
|
|||
|
|
(replace-regexp-in-string
|
|||
|
|
"\\`\\^" "" regexp)
|
|||
|
|
regexp)
|
|||
|
|
nil t)))
|
|||
|
|
:match-part (lambda (candidate)
|
|||
|
|
(with-helm-buffer
|
|||
|
|
(if helm-ff-transformer-show-only-basename
|
|||
|
|
(helm-basename candidate) candidate)))
|
|||
|
|
:filter-one-by-one (lambda (c)
|
|||
|
|
(with-helm-buffer
|
|||
|
|
(if helm-ff-transformer-show-only-basename
|
|||
|
|
(cons (helm-basename c) c) c)))
|
|||
|
|
:action (helm-actions-from-type-file))
|
|||
|
|
:ff-transformer-show-only-basename nil
|
|||
|
|
:buffer "*helm locate library*"))
|
|||
|
|
|
|||
|
|
(defun helm-set-variable (var)
|
|||
|
|
"Set VAR value interactively."
|
|||
|
|
(let* ((sym (helm-symbolify var))
|
|||
|
|
(val (default-value sym)))
|
|||
|
|
(set-default sym (eval-minibuffer
|
|||
|
|
(format "Set `%s': " var)
|
|||
|
|
(if (or (stringp val)
|
|||
|
|
(memq val '(nil t))
|
|||
|
|
(numberp val))
|
|||
|
|
(prin1-to-string val)
|
|||
|
|
(format "'%s" (prin1-to-string val)))))))
|
|||
|
|
|
|||
|
|
|
|||
|
|
;;; Elisp Timers.
|
|||
|
|
;;
|
|||
|
|
;;
|
|||
|
|
(defclass helm-absolute-time-timers-class (helm-source-sync helm-type-timers)
|
|||
|
|
((candidates :initform 'timer-list)
|
|||
|
|
(allow-dups :initform t)
|
|||
|
|
(candidate-transformer
|
|||
|
|
:initform
|
|||
|
|
(lambda (candidates)
|
|||
|
|
(cl-loop for timer in candidates
|
|||
|
|
collect (cons (helm-elisp--format-timer timer) timer))))))
|
|||
|
|
|
|||
|
|
(defvar helm-source-absolute-time-timers
|
|||
|
|
(helm-make-source "Absolute Time Timers" 'helm-absolute-time-timers-class))
|
|||
|
|
|
|||
|
|
(defclass helm-idle-time-timers-class (helm-source-sync helm-type-timers)
|
|||
|
|
((candidates :initform 'timer-idle-list)
|
|||
|
|
(allow-dups :initform t)
|
|||
|
|
(candidate-transformer
|
|||
|
|
:initform
|
|||
|
|
(lambda (candidates)
|
|||
|
|
(cl-loop for timer in candidates
|
|||
|
|
collect (cons (helm-elisp--format-timer timer) timer))))))
|
|||
|
|
|
|||
|
|
(defvar helm-source-idle-time-timers
|
|||
|
|
(helm-make-source "Idle Time Timers" 'helm-idle-time-timers-class))
|
|||
|
|
|
|||
|
|
(defun helm-elisp--format-timer (timer)
|
|||
|
|
(format "%s repeat=%s %s(%s)"
|
|||
|
|
(let ((time (timer--time timer)))
|
|||
|
|
(if (timer--idle-delay timer)
|
|||
|
|
(format-time-string "idle-for=%5s" time)
|
|||
|
|
(format-time-string "%m/%d %T" time)))
|
|||
|
|
(or (timer--repeat-delay timer) "nil")
|
|||
|
|
(mapconcat 'identity (split-string
|
|||
|
|
(prin1-to-string (timer--function timer))
|
|||
|
|
"\n") " ")
|
|||
|
|
(mapconcat 'prin1-to-string (timer--args timer) " ")))
|
|||
|
|
|
|||
|
|
;;;###autoload
|
|||
|
|
(defun helm-timers ()
|
|||
|
|
"Preconfigured `helm' for timers."
|
|||
|
|
(interactive)
|
|||
|
|
(helm :sources '(helm-source-absolute-time-timers
|
|||
|
|
helm-source-idle-time-timers)
|
|||
|
|
:buffer "*helm timers*"))
|
|||
|
|
|
|||
|
|
|
|||
|
|
;;; Complex command history
|
|||
|
|
;;
|
|||
|
|
;;
|
|||
|
|
|
|||
|
|
(defvar helm-sexp--last-sexp nil)
|
|||
|
|
;; This wont work compiled.
|
|||
|
|
(defun helm-sexp-eval-1 ()
|
|||
|
|
(interactive)
|
|||
|
|
(unwind-protect
|
|||
|
|
(progn
|
|||
|
|
;; Trick called-interactively-p into thinking that `cand' is
|
|||
|
|
;; an interactive call, See `repeat-complex-command'.
|
|||
|
|
(add-hook 'called-interactively-p-functions
|
|||
|
|
#'helm-complex-command-history--called-interactively-skip)
|
|||
|
|
(eval (read helm-sexp--last-sexp)))
|
|||
|
|
(remove-hook 'called-interactively-p-functions
|
|||
|
|
#'helm-complex-command-history--called-interactively-skip)))
|
|||
|
|
|
|||
|
|
(defun helm-complex-command-history--called-interactively-skip (i _frame1 frame2)
|
|||
|
|
(and (eq 'eval (cadr frame2))
|
|||
|
|
(eq 'helm-sexp-eval-1
|
|||
|
|
(cadr (backtrace-frame (+ i 2) #'called-interactively-p)))
|
|||
|
|
1))
|
|||
|
|
|
|||
|
|
(defun helm-sexp-eval (_candidate)
|
|||
|
|
(call-interactively #'helm-sexp-eval-1))
|
|||
|
|
|
|||
|
|
(defvar helm-source-complex-command-history
|
|||
|
|
(helm-build-sync-source "Complex Command History"
|
|||
|
|
:candidates (lambda ()
|
|||
|
|
;; Use cdr to avoid adding
|
|||
|
|
;; `helm-complex-command-history' here.
|
|||
|
|
(cl-loop for i in command-history
|
|||
|
|
unless (equal i '(helm-complex-command-history))
|
|||
|
|
collect (prin1-to-string i)))
|
|||
|
|
:action (helm-make-actions
|
|||
|
|
"Eval" (lambda (candidate)
|
|||
|
|
(and (boundp 'helm-sexp--last-sexp)
|
|||
|
|
(setq helm-sexp--last-sexp candidate))
|
|||
|
|
(let ((command (read candidate)))
|
|||
|
|
(unless (equal command (car command-history))
|
|||
|
|
(setq command-history (cons command command-history))))
|
|||
|
|
(run-with-timer 0.1 nil #'helm-sexp-eval candidate))
|
|||
|
|
"Edit and eval" (lambda (candidate)
|
|||
|
|
(edit-and-eval-command "Eval: " (read candidate))))
|
|||
|
|
:persistent-action #'helm-sexp-eval
|
|||
|
|
:multiline t))
|
|||
|
|
|
|||
|
|
;;;###autoload
|
|||
|
|
(defun helm-complex-command-history ()
|
|||
|
|
"Preconfigured `helm' for complex command history."
|
|||
|
|
(interactive)
|
|||
|
|
(helm :sources 'helm-source-complex-command-history
|
|||
|
|
:buffer "*helm complex commands*"))
|
|||
|
|
|
|||
|
|
(provide 'helm-elisp)
|
|||
|
|
|
|||
|
|
;;; helm-elisp.el ends here
|