Archived
1
0
Fork 0
This repository has been archived on 2024-10-19. You can view files and clone it, but cannot push or open issues or pull requests.
emacs/code/elpa/helm-20240728.459/helm-imenu.el
2024-07-28 12:03:37 -04:00

544 lines
25 KiB
EmacsLisp
Raw Permalink Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

;;; helm-imenu.el --- Helm interface for Imenu -*- lexical-binding: t -*-
;; Copyright (C) 2012 ~ 2023 Thierry Volpiatto
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <http://www.gnu.org/licenses/>.
;;; Code:
(require 'cl-lib)
(require 'helm)
(require 'helm-lib)
(require 'imenu)
(require 'helm-utils)
(require 'helm-help)
(defvar all-the-icons-default-adjust)
(defvar all-the-icons-scale-factor)
(declare-function which-function "which-func")
(declare-function all-the-icons-material "ext:all-the-icons.el")
(declare-function all-the-icons-octicon "ext:all-the-icons.el")
(declare-function all-the-icons-faicon "ext:all-the-icons.el")
(declare-function all-the-icons-wicon "ext:all-the-icons.el")
(defgroup helm-imenu nil
"Imenu related libraries and applications for Helm."
:group 'helm)
(defcustom helm-imenu-delimiter " / "
"Delimit types of candidates and their value in `helm-buffer'."
:group 'helm-imenu
:type 'string)
(defcustom helm-imenu-execute-action-at-once-if-one
#'helm-imenu--execute-action-at-once-p
"Goto the candidate when only one is remaining."
:group 'helm-imenu
:type 'function)
(defcustom helm-imenu-all-buffer-assoc nil
"Major mode association alist for `helm-imenu-in-all-buffers'.
Allow `helm-imenu-in-all-buffers' searching in these associated
buffers even if they are not derived from each other. The alist
is bidirectional, i.e. no need to add \\='((foo . bar) (bar . foo)),
only \\='((foo . bar)) is needed."
:type '(alist :key-type symbol :value-type symbol)
:group 'helm-imenu)
(defcustom helm-imenu-in-all-buffers-separate-sources t
"Display imenu index of each buffer in its own source when non-nil.
When nil all candidates are displayed in a single source.
NOTE: Each source will have as name \"Imenu <buffer-name>\".
`helm-source-imenu-all' will not be set, however it will continue
to be used as a flag for using default as input. If you do not
want this behavior, remove it from
`helm-sources-using-default-as-input' even if not using a single
source to display imenu in all buffers."
:type 'boolean
:group 'helm-imenu)
(defcustom helm-imenu-type-faces
'(("^Variables$" . font-lock-variable-name-face)
("^\\(Function\\|Functions\\|Defuns\\)$" . font-lock-function-name-face)
("^\\(Types\\|Provides\\|Requires\\|Classes\\|Class\\|Includes\\|Imports\\|Misc\\|Code\\)$" . font-lock-type-face))
"Faces for showing type in helm-imenu.
This is a list of cons cells. The cdr of each cell is a face to
be used, and it can also just be like \\='(:foreground
\"yellow\"). Each car is a regexp match pattern of the imenu type
string."
:group 'helm-faces
:type '(repeat
(cons
(regexp :tag "Imenu type regexp pattern")
(sexp :tag "Face"))))
(defcustom helm-imenu-extra-modes nil
"Extra modes where `helm-imenu-in-all-buffers' should look into."
:group 'helm-imenu
:type '(repeat symbol))
(defcustom helm-imenu-hide-item-type-name nil
"Hide display name of imenu item type along with the icon when non nil.
This value can be toggled with \\<helm-imenu-map>\\[helm-imenu-toggle-type-view].
Don't use `setq' to set this."
:group 'helm-imenu
:type 'boolean
:set (lambda (var val)
(if (require 'all-the-icons nil t)
(set var val)
(set var nil))))
(defcustom helm-imenu-use-icon nil
"Display an icon from all-the-icons package when non nil.
Don't use `setq' to set this."
:group 'helm-imenu
:type 'boolean
:set (lambda (var val)
(if (require 'all-the-icons nil t)
(set var val)
(set var nil))))
(defcustom helm-imenu-icon-type-alist
'(("Array" . (all-the-icons-material "crop" :face font-lock-builtin-face))
("Arrays" . (all-the-icons-material "crop" :face font-lock-builtin-face))
("Boolean" . (all-the-icons-material "crop" :face font-lock-builtin-face))
("Booleans" . (all-the-icons-material "crop" :face font-lock-builtin-face))
("Class" . (all-the-icons-octicon "package" :face font-lock-type-face))
("Classes" . (all-the-icons-octicon "package" :face font-lock-type-face))
("Color" . (all-the-icons-material "color_lens" :face font-lock-builtin-face))
("Colors" . (all-the-icons-material "color_lens" :face font-lock-builtin-face))
("Constant" . (all-the-icons-material "crop" :face font-lock-builtin-face))
("Constants" . (all-the-icons-material "crop" :face font-lock-builtin-face))
("Constructor" . (all-the-icons-faicon "cube" :face font-lock-function-name-face))
("Constructors" . (all-the-icons-faicon "cube" :face font-lock-function-name-face))
("Enum Member" . (all-the-icons-octicon "three-bars" :face font-lock-type-face))
("Enum Members" . (all-the-icons-octicon "three-bars" :face font-lock-type-face))
("Enum" . (all-the-icons-faicon "cog" :face font-lock-type-face))
("Enums" . (all-the-icons-faicon "cog" :face font-lock-type-face))
("Event" . (all-the-icons-wicon "lightning" :face font-lock-builtin-face))
("Events" . (all-the-icons-wicon "lightning" :face font-lock-builtin-face))
("Field" . (all-the-icons-octicon "three-bars" :face font-lock-type-face))
("Fields" . (all-the-icons-octicon "three-bars" :face font-lock-type-face))
("File" . (all-the-icons-faicon "file" :face font-lock-variable-name-face))
("Files" . (all-the-icons-faicon "file" :face font-lock-variable-name-face))
("Folder" . (all-the-icons-faicon "folder" :face font-lock-variable-name-face))
("Folders" . (all-the-icons-faicon "folder" :face font-lock-variable-name-face))
("Interface" . (all-the-icons-octicon "package" :face font-lock-builtin-face))
("Interfaces" . (all-the-icons-octicon "package" :face font-lock-builtin-face))
("Keyword" . (all-the-icons-octicon "key" :face font-lock-builtin-face))
("Keywords" . (all-the-icons-octicon "key" :face font-lock-builtin-face))
("Method" . (all-the-icons-faicon "cube" :face font-lock-function-name-face))
("Methods" . (all-the-icons-faicon "cube" :face font-lock-function-name-face))
("Defun" . (all-the-icons-faicon "cube" :face font-lock-function-name-face))
("Defuns" . (all-the-icons-faicon "cube" :face font-lock-function-name-face))
("Fn" . (all-the-icons-faicon "cube" :face font-lock-function-name-face))
("Fns" . (all-the-icons-faicon "cube" :face font-lock-function-name-face))
("Function" . (all-the-icons-faicon "cube" :face font-lock-function-name-face))
("Functions" . (all-the-icons-faicon "cube" :face font-lock-function-name-face))
("Misc" . (all-the-icons-faicon "globe" :face font-lock-function-name-face))
("Miscs" . (all-the-icons-faicon "globe" :face font-lock-function-name-face))
("Module" . (all-the-icons-faicon "angle-double-right" :face font-lock-builtin-face))
("Modules" . (all-the-icons-faicon "angle-double-right" :face font-lock-builtin-face))
("Numeric" . (all-the-icons-material "crop" :face font-lock-builtin-face))
("Numerics" . (all-the-icons-material "crop" :face font-lock-builtin-face))
("Object" . (all-the-icons-faicon "angle-double-right" :face font-lock-builtin-face))
("Objects" . (all-the-icons-faicon "angle-double-right" :face font-lock-builtin-face))
("Operator" . (all-the-icons-faicon "calculator" :face font-lock-builtin-face))
("Operators" . (all-the-icons-faicon "calculator" :face font-lock-builtin-face))
("Property" . (all-the-icons-octicon "book" :face font-lock-variable-name-face))
("Properties" . (all-the-icons-octicon "book" :face font-lock-variable-name-face))
("Reference" . (all-the-icons-octicon "book" :face font-lock-variable-name-face))
("References" . (all-the-icons-octicon "book" :face font-lock-variable-name-face))
("Snippet" . (all-the-icons-material "border_style" :face font-lock-variable-name-face))
("Snippets" . (all-the-icons-material "border_style" :face font-lock-variable-name-face))
("String" . (all-the-icons-material "text_fields" :face font-lock-variable-name-face))
("Strings" . (all-the-icons-material "text_fields" :face font-lock-variable-name-face))
("Struct" . (all-the-icons-faicon "cog" :face font-lock-type-face))
("Structs" . (all-the-icons-faicon "cog" :face font-lock-type-face))
("Text" . (all-the-icons-material "text_fields" :face font-lock-variable-name-face))
("Texts" . (all-the-icons-material "text_fields" :face font-lock-variable-name-face))
("Top level" . (all-the-icons-faicon "globe" :face font-lock-function-name-face))
("Trait" . (all-the-icons-octicon "package" :face font-lock-builtin-face))
("Traits" . (all-the-icons-octicon "package" :face font-lock-builtin-face))
("Type" . (all-the-icons-faicon "cog" :face font-lock-type-face))
("Types" . (all-the-icons-faicon "cog" :face font-lock-type-face))
("Type Parameter" . (all-the-icons-material "code" :face font-lock-type-face))
("Type Parameters" . (all-the-icons-material "code" :face font-lock-type-face))
("Unit" . (all-the-icons-faicon "bar-chart" :face font-lock-builtin-face))
("Units" . (all-the-icons-faicon "bar-chart" :face font-lock-builtin-face))
("Value" . (all-the-icons-faicon "cog" :face font-lock-type-face))
("Values" . (all-the-icons-faicon "cog" :face font-lock-type-face))
("Variable" . (all-the-icons-octicon "book" :face font-lock-variable-name-face))
("Variables" . (all-the-icons-octicon "book":face font-lock-variable-name-face)))
"An alist of types associated with a sexp returning an icon.
The sexp should be an `all-the-icons' function with its args."
:type '(alist :key-type string :value-type sexp)
:group 'helm-imenu)
(defcustom helm-imenu-default-type-sexp
'(all-the-icons-faicon "globe" :face font-lock-function-name-face)
"Default sexp to use when no type for an object is found."
:type 'sexp
:group 'helm-imenu)
;;; keymap
(defvar helm-imenu-map
(let ((map (make-sparse-keymap)))
(set-keymap-parent map helm-map)
(define-key map (kbd "M-<down>") 'helm-imenu-next-section)
(define-key map (kbd "M-<up>") 'helm-imenu-previous-section)
(define-key map (kbd "C-]") 'helm-imenu-toggle-type-view)
map))
(defun helm-imenu-toggle-type-view ()
"Toggle candidate type view."
(interactive)
(with-helm-window
(setq helm-imenu-hide-item-type-name (not helm-imenu-hide-item-type-name))
(let* ((sel (substring (helm-get-selection nil 'withprop)
(if helm-imenu-use-icon 2 0)))
(type (get-text-property 1 'type-name sel)))
(setq sel (substring-no-properties sel))
(helm-force-update (if helm-imenu-hide-item-type-name
(format "^[ ]*%s$"
(car (last (split-string
sel helm-imenu-delimiter t))))
(format "^[ ]*%s / %s$"
type sel))))))
(put 'helm-imenu-toggle-type-view 'no-helm-mx t)
(defcustom helm-imenu-lynx-style-map nil
"Use Arrow keys to jump to occurences."
:group 'helm-imenu
:type 'boolean
:set (lambda (var val)
(set var val)
(if val
(progn
(define-key helm-imenu-map (kbd "<right>") 'helm-execute-persistent-action)
(define-key helm-imenu-map (kbd "<left>") 'helm-maybe-exit-minibuffer))
(define-key helm-imenu-map (kbd "<right>") nil)
(define-key helm-imenu-map (kbd "<left>") nil))))
(defun helm-imenu-next-or-previous-section (n)
(with-helm-window
(let* ((fn (lambda ()
(let ((str (buffer-substring
(pos-bol) (pos-eol))))
(if helm-imenu-hide-item-type-name
(get-text-property 1 'type-name str)
(car (split-string str helm-imenu-delimiter))))))
(curtype (funcall fn))
(stop-fn (if (> n 0)
#'helm-end-of-source-p
#'helm-beginning-of-source-p)))
(while (and (not (funcall stop-fn))
(string= curtype (funcall fn)))
(forward-line n))
(helm-mark-current-line)
(helm-follow-execute-persistent-action-maybe))))
(defun helm-imenu-next-section ()
(interactive)
(helm-imenu-next-or-previous-section 1))
(defun helm-imenu-previous-section ()
(interactive)
(helm-imenu-next-or-previous-section -1))
;;; Internals
(defvar helm-cached-imenu-alist nil)
(make-variable-buffer-local 'helm-cached-imenu-alist)
(defvar helm-cached-imenu-candidates nil)
(make-variable-buffer-local 'helm-cached-imenu-candidates)
(defvar helm-cached-imenu-tick nil)
(make-variable-buffer-local 'helm-cached-imenu-tick)
(defvar helm-imenu--in-all-buffers-cache nil)
(defvar helm-source-imenu nil "See (info \"(emacs)Imenu\")")
(defvar helm-source-imenu-all nil)
(defclass helm-imenu-source (helm-source-sync)
((candidates :initform 'helm-imenu-candidates)
(candidate-transformer :initform 'helm-imenu-transformer)
(persistent-action :initform 'helm-imenu-persistent-action)
(persistent-help :initform "Show this entry")
(nomark :initform t)
(keymap :initform 'helm-imenu-map)
(help-message :initform 'helm-imenu-help-message)
(action :initform 'helm-imenu-action)
(find-file-target :initform #'helm-imenu-quit-and-find-file-fn)
(group :initform 'helm-imenu)))
(defcustom helm-imenu-fuzzy-match nil
"Enable fuzzy matching in `helm-source-imenu'."
:group 'helm-imenu
:type 'boolean
:set (lambda (var val)
(set var val)
(setq helm-source-imenu
(helm-make-source "Imenu" 'helm-imenu-source
:fuzzy-match helm-imenu-fuzzy-match))))
(defun helm-imenu--maybe-switch-to-buffer (candidate)
(let ((cand (cdr candidate)))
(helm-aif (and (markerp cand) (marker-buffer cand))
(switch-to-buffer it))))
(defun helm-imenu--execute-action-at-once-p ()
(let ((cur (helm-get-selection))
(mb (with-helm-current-buffer
(save-excursion
(goto-char (pos-bol))
(point-marker)))))
;; Happen when cursor is on the line where a definition is. This
;; prevent jumping to the definition where we are already, instead
;; display helm with all definitions and preselection to the place
;; we already are.
(if (equal (cdr cur) mb)
(prog1 nil
(helm-set-pattern "")
(helm-force-update
(concat "\\_<" (regexp-quote (car cur)) "\\_>")))
t)))
(defun helm-imenu-quit-and-find-file-fn (source)
(let ((sel (helm-get-selection nil nil source)))
(when (and (consp sel) (markerp (cdr sel)))
(buffer-file-name (marker-buffer (cdr sel))))))
(defun helm-imenu-action (candidate)
"Default action for `helm-source-imenu'."
(helm-log-run-hook "helm-imenu-action" 'helm-goto-line-before-hook)
(helm-imenu--maybe-switch-to-buffer candidate)
(imenu candidate)
;; If semantic is supported in this buffer
;; imenu used `semantic-imenu-goto-function'
;; and position have been highlighted,
;; no need to highlight again.
(unless (eq imenu-default-goto-function
'semantic-imenu-goto-function)
(helm-highlight-current-line)))
(defun helm-imenu-persistent-action (candidate)
"Default persistent action for `helm-source-imenu'."
(helm-imenu--maybe-switch-to-buffer candidate)
(imenu candidate)
(helm-highlight-current-line))
(defun helm-imenu-candidates (&optional buffer)
(with-current-buffer (or buffer helm-current-buffer)
(let ((tick (buffer-modified-tick)))
(if (eq helm-cached-imenu-tick tick)
helm-cached-imenu-candidates
(setq imenu--index-alist nil)
(prog1 (setq helm-cached-imenu-candidates
(let ((index (imenu--make-index-alist t)))
(helm-imenu--candidates-1
(delete (assoc "*Rescan*" index) index))))
(setq helm-cached-imenu-tick tick))))))
(defun helm-imenu-candidates-in-all-buffers (&optional build-sources)
(let* ((lst (buffer-list))
(progress-reporter (make-progress-reporter
"Imenu indexing buffers..." 1 (length lst))))
(prog1
(cl-loop with cur-buf = (if build-sources
(current-buffer) helm-current-buffer)
for b in lst
for count from 1
when (with-current-buffer b
(and (or (member major-mode helm-imenu-extra-modes)
(derived-mode-p 'prog-mode))
(helm-same-major-mode-p
cur-buf helm-imenu-all-buffer-assoc)))
if build-sources
collect (helm-make-source
(format "Imenu in %s" (buffer-name b))
'helm-imenu-source
:candidates (with-current-buffer b
(helm-imenu-candidates b))
:fuzzy-match helm-imenu-fuzzy-match)
else
append (with-current-buffer b
(helm-imenu-candidates b))
do (progress-reporter-update progress-reporter count))
(progress-reporter-done progress-reporter))))
(defun helm-imenu--candidates-1 (alist)
(cl-loop for elm in alist
nconc (cond
((imenu--subalist-p elm)
(helm-imenu--candidates-1
(cl-loop for (e . v) in (cdr elm) collect
(cons (propertize
e 'helm-imenu-type (car elm))
;; If value is an integer, convert it
;; to a marker, otherwise it is a cons cell
;; and it will be converted on next recursions.
;; (Bug#1060) [1].
(if (integerp v) (copy-marker v) v)))))
((listp (cdr elm))
(and elm (list elm)))
(t
;; bug in imenu, should not be needed.
(and (cdr elm)
;; Semantic uses overlays whereas imenu uses
;; markers (Bug#1706).
(setcdr elm (helm-acase (cdr elm) ; Same as [1].
((guard (overlayp it))
(copy-overlay it))
((guard (or (markerp it) (integerp it)))
(copy-marker it))))
(list elm))))))
(defun helm-imenu--get-prop (item)
;; property value of ITEM can have itself
;; a property value which have itself a property value
;; ...and so on; Return a list of all these
;; properties values starting at ITEM.
(let* ((prop (get-text-property 0 'helm-imenu-type item))
(lst (list prop item)))
(when prop
(while prop
(setq prop (get-text-property 0 'helm-imenu-type prop))
(and prop (push prop lst)))
lst)))
(defun helm-imenu-icon-for-type (type)
"Return an icon for type TYPE.
The icon is found in `helm-imenu-icon-type-alist', if not
`helm-imenu-default-type-sexp' is evaled to provide a default icon."
(let ((all-the-icons-scale-factor 1.0)
(all-the-icons-default-adjust 0.0))
(or (helm-aand (assoc-default
type helm-imenu-icon-type-alist)
(apply (car it) (cdr it)))
(apply (car helm-imenu-default-type-sexp)
(cdr helm-imenu-default-type-sexp)))))
(defun helm-imenu-transformer (candidates)
(cl-loop for (k . v) in candidates
;; (k . v) == (symbol-name . marker)
for bufname = (buffer-name
(helm-acase v
((guard (overlayp it)) (overlay-buffer it))
((guard (markerp it)) (marker-buffer it))))
for types = (or (helm-imenu--get-prop k)
(list (if (with-current-buffer bufname
(derived-mode-p 'prog-mode))
"Function"
"Top level")
k))
for type-icon = (and helm-imenu-use-icon
(helm-imenu-icon-for-type (car types)))
for type-name = (propertize
(car types) 'face
(cl-loop for (p . f) in helm-imenu-type-faces
when (string-match p (car types))
return f
finally return 'default))
for disp1 = (mapconcat 'identity
(cdr types)
(propertize helm-imenu-delimiter
'face 'shadow))
for disp = (concat (if helm-imenu-use-icon
(concat (propertize " " 'display type-icon) " ")
"")
(if helm-imenu-hide-item-type-name
""
(concat type-name
(propertize helm-imenu-delimiter
'face 'shadow)))
(propertize disp1 'help-echo bufname 'types types))
collect
(cons (propertize disp 'type-name type-name) (cons k v))))
;;;###autoload
(defun helm-imenu ()
"Preconfigured `helm' for `imenu'."
(interactive)
(require 'which-func)
(unless helm-source-imenu
(setq helm-source-imenu
(helm-make-source "Imenu" 'helm-imenu-source
:fuzzy-match helm-imenu-fuzzy-match)))
(let* ((imenu-auto-rescan t)
(helm-highlight-matches-around-point-max-lines 'never)
(str (thing-at-point 'symbol))
(init-reg (and str (concat "\\_<" (regexp-quote str) "\\_>")))
(helm-execute-action-at-once-if-one
helm-imenu-execute-action-at-once-if-one))
(helm :sources 'helm-source-imenu
:default (and str (list init-reg str))
:preselect (helm-aif (which-function)
(concat "\\_<" (regexp-quote it) "\\_>")
init-reg)
:buffer "*helm imenu*")))
;;;###autoload
(defun helm-imenu-in-all-buffers ()
"Fetch Imenu entries in all buffers with similar mode as current.
A mode is similar as current if it is the same, it is derived
i.e. `derived-mode-p' or it have an association in
`helm-imenu-all-buffer-assoc'."
(interactive)
(require 'which-func)
(unless helm-imenu-in-all-buffers-separate-sources
(unless helm-source-imenu-all
(setq helm-source-imenu-all
(helm-make-source "Imenu in all buffers" 'helm-imenu-source
:init (lambda ()
;; Use a cache to avoid repeatedly sending
;; progress-reporter message when updating
;; (Bug#1704).
(setq helm-imenu--in-all-buffers-cache
(helm-imenu-candidates-in-all-buffers)))
:candidates 'helm-imenu--in-all-buffers-cache
:fuzzy-match helm-imenu-fuzzy-match))))
(let* ((imenu-auto-rescan t)
(helm-highlight-matches-around-point-max-lines 'never)
(str (thing-at-point 'symbol))
(init-reg (and str (concat "\\_<" (regexp-quote str) "\\_>")))
(helm-execute-action-at-once-if-one
helm-imenu-execute-action-at-once-if-one)
(helm-maybe-use-default-as-input
(not (null (memq 'helm-source-imenu-all
helm-sources-using-default-as-input))))
(sources (if helm-imenu-in-all-buffers-separate-sources
(helm-imenu-candidates-in-all-buffers 'build-sources)
'(helm-source-imenu-all))))
(helm :sources sources
:default (and str (list init-reg str))
:preselect (helm-aif (which-function)
(concat "\\_<" (regexp-quote it) "\\_>")
init-reg)
:buffer "*helm imenu all*")))
(provide 'helm-imenu)
;;; helm-imenu.el ends here