branch: elpa/flymake-collection
commit 6df3ac725d3b6543de059ef827cd26c1ea0b3fa8
Author: Mohsin Kaleem <[email protected]>
Commit: Mohsin Kaleem <[email protected]>
(flymake-rest-hook): Add mode -> checker configuration
Now you can specify which checkers you want enabled in which modes and
then have them automatically added to flymake-diagnostic-functions at
startup.
---
flymake-rest-hook-use-package.el | 24 +++++++++++++++++
flymake-rest-hook.el | 58 ++++++++++++++++++++++++++++++++++++++++
2 files changed, 82 insertions(+)
diff --git a/flymake-rest-hook-use-package.el b/flymake-rest-hook-use-package.el
new file mode 100644
index 0000000000..e05f843cce
--- /dev/null
+++ b/flymake-rest-hook-use-package.el
@@ -0,0 +1,24 @@
+;;; flymake-rest-use-package.el --- use-package extensions for flymake-rest
-*- lexical-binding: t -*-
+
+(require 'flymake-rest)
+(require 'flymake-rest-hook)
+
+(require 'use-package-core)
+
+;; Add to use-package-keywords, just after :custom.
+(unless (member :flymake-hook use-package-keywords)
+ (let ((tail (nthcdr (cl-position :custom use-package-keywords)
+ use-package-keywords)))
+ (setcdr tail (cons :flymake-hook (cdr tail)))))
+
+(defun use-package-normalize/:flymake-hook (_name _keyword args)
+ args)
+
+(defun use-package-handler/:flymake-hook (name-symbol _ hooks rest state)
+ (let ((body (use-package-process-keywords name-symbol rest state)))
+ (use-package-concat
+ (cl-loop for it in hooks
+ collect `(push (quote ,it) flymake-rest-config))
+ body)))
+
+(provide 'flymake-rest-hook-use-package)
diff --git a/flymake-rest-hook.el b/flymake-rest-hook.el
new file mode 100644
index 0000000000..2793df3fcf
--- /dev/null
+++ b/flymake-rest-hook.el
@@ -0,0 +1,58 @@
+;;; flymake-rest-hook.el --- Support for binding flymake backends to specific
modes -*- lexical-binding: t -*-
+
+;; Copyright (C) 2021 Mohsin Kaleem
+
+;;;###autoload
+(defcustom flymake-rest-config nil
+ "Configuration mapping major-modes to flymake-backends."
+ :type 'list)
+
+(defcustom flymake-rest-config-inherit nil
+ "When true any configured checkers for a parent major-mode are
+also added to `flymake-diagnostic-functions'."
+ :type 'boolean)
+
+(defun flymake-rest-configured-checkers (mode)
+ (let (checkers
+ (modes (list mode)))
+ ;; Consider all the parent modes as well.
+ (when flymake-rest-config-inherit
+ (while (setq mode (get mode 'derived-mode-parent))
+ (push mode modes)))
+ ;; For each mode populate the checkers alist with (checker . depth).
+ (dolist (mode modes)
+ (dolist (conf (alist-get mode flymake-rest-config))
+ (cond ((symbolp conf)
+ (push (cons conf nil) checkers))
+ ((consp conf)
+ (cl-destructuring-bind (checker &optional &key depth predicate
disabled &allow-other-keys)
+ (if (numberp conf)
+ `(,(car conf) :depth ,(cdr conf))
+ conf)
+ (when (and (not disabled)
+ (or (not predicate)
+ (funcall predicate)))
+ (push (cons checker depth) checkers))))
+ (t
+ (warn "Unknown checker config in `flymake-rest-config': %s"
conf)))))
+ (nreverse checkers)))
+
+(defun flymake-rest-hook-set-backends ()
+ "Function to add all the diagnostic for the current-major mode
+from `flymake-rest-config' to `flymake-diagnostic-functions'."
+ (dolist (it flymake-rest-configured-checkers)
+ (add-hook 'flymake-diagnostic-functions (car it) (cdr it) t)))
+
+(defun flymake-rest-hook-setup ()
+ "Setup flymake-hook."
+ (add-hook 'after-change-major-mode-hook #'flymake-rest-hook-set-backends))
+
+(defun flymake-rest-hook-teardown ()
+ "Tear down flymake-hook."
+ (remove-hook 'after-change-major-mode-hook #'flymake-rest-hook-set-backends))
+
+;;;###autoload
+(with-eval-after-load 'use-package
+ (require 'flymake-rest-hook-use-package))
+
+(provide 'flymake-rest-hook)
