mirror of
https://github.com/joaotavora/yasnippet.git
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Provide command line interface from yasnippet-debug.el
yasnippet-debug.el can now be used to quickly test and debug a snippet in a file. * Rakefile (itests): New target, runs tests interactively. * yasnippet-debug.el: Set lexical binding. (when-let): Backwards compabtility definition. (yas-debug-live-indicators, yas-debug-live-colors) (yas-debug-recently-live-indicators, yas-debug-get-live-indicator) (yas-debug-live-marker, yas-debug-ov-fom-start, yas-debug-ov-fom-end) (yas-debug-live-range, yas-debug-with-tracebuf, yas-debug-snippet) (yas-debug-target-buffer, yas-debug-target-snippets) (yas-debug-snippets, yas-debug-process-command-line): New functions and variables. (yas-debug-test): Remove. * yasnippet.el (yas--snippet-revive): List snippet identifier in debug message. (yas--post-command-handler): Allow the debugger to run.
This commit is contained in:
Noam Postavsky
parent
c98672eb54
commit
274406ee44
6
Rakefile
6
Rakefile
@ -20,6 +20,12 @@ task :tests do
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" --batch -f ert-run-tests-batch-and-exit"
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end
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desc "run test in interactive mode"
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task :itests do
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sh "#{$EMACS} -Q -L . -l yasnippet-tests.el" +
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" --eval \"(call-interactively 'ert)\""
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end
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desc "create a release package"
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task :package do
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release_dir = "pkg/yasnippet-#{$version}"
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@ -1,8 +1,8 @@
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;;; yasnippet-debug.el --- debug functions for yasnippet
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;;; yasnippet-debug.el --- debug functions for yasnippet -*- lexical-binding: t -*-
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;; Copyright (C) 2010, 2013, 2014 Free Software Foundation, Inc.
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;; Author: João Távora
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;; Author: João Távora
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;; Keywords: emulations, convenience
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;; This program is free software; you can redistribute it and/or modify
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@ -20,69 +20,258 @@
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;;; Commentary:
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;; Just some debug functions
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;; Some debug functions. When loaded from the command line, provides
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;; quick way to test out snippets in a fresh Emacs instance.
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;;
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;; emacs -Q -l yasnippet-debug [-v[v]]
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;; [-M:<modename>] [-M.<filext>] [-S:[<snippet-file|name>]]
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;; [-- <more-arguments-passed-to-Emacs>...]
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;;
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;; See the source in `yas-debug-process-command-line' for meaning of
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;; args.
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;;
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;;; Code:
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(require 'yasnippet)
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(defconst yas--loaddir
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(file-name-directory (or load-file-name buffer-file-name))
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"Directory that yasnippet was loaded from.")
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(require 'yasnippet (expand-file-name "yasnippet" yas--loaddir))
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(require 'cl-lib)
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(eval-when-compile
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(unless (require 'subr-x nil t)
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(defmacro when-let (key-val &rest body)
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(declare (indent 1) (debug ((symbolp form) body)))
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`(let ((,(car key-val) ,(cadr key-val)))
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(when ,(car key-val)
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,@body)))))
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(defvar yas-debug-live-indicators
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(make-hash-table :test #'eq))
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(defun yas-debug-live-colors ()
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(let ((colors ()))
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(maphash (lambda (_k v) (push (nth 1 (car v)) colors)) yas-debug-live-indicators)
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colors))
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(defvar yas-debug-recently-live-indicators)
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(defun yas-debug-get-live-indicator (location)
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(require 'color)
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(when (boundp 'yas-debug-recently-live-indicators)
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(push location yas-debug-recently-live-indicators))
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(let (beg end)
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(if (markerp location)
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(setq beg (setq end (marker-position location)))
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(setq beg (yas-debug-ov-fom-start location)
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end (yas-debug-ov-fom-end location)))
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(or (when-let (color-ov (gethash location yas-debug-live-indicators))
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(if (and beg end) (move-overlay (cdr color-ov) beg end)
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(delete-overlay (cdr color-ov)))
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color-ov)
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(let* ((live-colors (yas-debug-live-colors))
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(color
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(cl-loop with best-color = nil with max-dist = -1
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for color = (format "#%06X" (random #x1000000))
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for comp = (apply #'color-rgb-to-hex (color-complement color))
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if (< (color-distance color (face-foreground 'default))
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(color-distance comp (face-foreground 'default)))
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do (setq color comp)
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for dist = (cl-loop for c in live-colors
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minimize (color-distance c color))
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if (or (not live-colors) (> dist max-dist))
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do (setq best-color color) (setq max-dist dist)
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repeat (if live-colors 100 1)
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finally return `(:background ,best-color)))
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(ov (make-overlay beg end)))
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(if (markerp location)
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(overlay-put ov 'before-string (propertize "↓" 'face color))
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(overlay-put ov 'before-string (propertize "↘" 'face color))
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(overlay-put ov 'after-string (propertize "↙" 'face color)))
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(puthash location (cons color ov) yas-debug-live-indicators)))))
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(defun yas-debug-live-marker (marker)
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(let* ((buffer (current-buffer))
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(color-ov (yas-debug-get-live-indicator marker))
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(color (car color-ov))
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(ov (cdr color-ov))
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(decorator (overlay-get ov 'before-string)))
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(propertize (format "at %d" (marker-position marker))
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'cursor-sensor-functions
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`(,(lambda (window _oldpos dir)
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(overlay-put
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ov 'before-string
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(propertize decorator
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'face (if (eq dir 'entered)
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'mode-line-highlight color)))))
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'face color)))
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(defun yas-debug-ov-fom-start (ovfom)
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(if (overlayp ovfom) (overlay-start ovfom)
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(let ((m (yas--fom-start ovfom)))
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(when (markerp m) (marker-position m)))))
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(defun yas-debug-ov-fom-end (ovfom)
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(if (overlayp ovfom) (overlay-end ovfom)
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(let ((m (yas--fom-end ovfom)))
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(when (markerp m) (marker-position m)))))
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(defun yas-debug-live-range (range)
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(let* ((color-ov (yas-debug-get-live-indicator range))
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(color (car color-ov))
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(ov (cdr color-ov))
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(decorator-beg (overlay-get ov 'before-string))
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(decorator-end (overlay-get ov 'after-string))
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(beg (yas-debug-ov-fom-start range))
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(end (yas-debug-ov-fom-end range)))
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(if (and beg end)
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(propertize (format "from %d to %d" beg end)
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'cursor-sensor-functions
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`(,(lambda (window _oldpos dir)
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(let ((face (if (eq dir 'entered)
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'mode-line-highlight color)))
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(overlay-put ov 'before-string
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(propertize decorator-beg 'face face))
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(overlay-put ov 'after-string
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(propertize decorator-end 'face face)))))
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'face color)
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"<dead>")))
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(defmacro yas-debug-with-tracebuf (outbuf &rest body)
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(declare (indent 1))
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(let ((tracebuf-var (make-symbol "tracebuf")))
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`(let ((,tracebuf-var (or ,outbuf (get-buffer-create "*YASnippet trace*"))))
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(unless (eq ,tracebuf-var (current-buffer))
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(cl-flet ((printf (fmt &rest args)
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(with-current-buffer ,tracebuf-var
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(insert (apply #'format fmt args)))))
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(unless ,outbuf
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(with-current-buffer ,tracebuf-var
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(erase-buffer)
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(when (fboundp 'cursor-sensor-mode)
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(cursor-sensor-mode +1))
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(setq truncate-lines t)))
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(setq ,outbuf ,tracebuf-var)
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(save-restriction
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(widen)
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,@body))))))
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(defun yas-debug-snippet (snippet &optional outbuf)
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(yas-debug-with-tracebuf outbuf
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(when-let (overlay (yas--snippet-control-overlay snippet))
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(printf "\tsid: %d control overlay %s\n"
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(yas--snippet-id snippet)
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(yas-debug-live-range overlay)))
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(when-let (active-field (yas--snippet-active-field snippet))
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(unless (consp (yas--field-start active-field))
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(printf "\tactive field: #%d %s covering \"%s\"\n"
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(yas--field-number active-field)
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(yas-debug-live-range active-field)
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(buffer-substring-no-properties (yas--field-start active-field) (yas--field-end active-field)))))
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(when-let (exit (yas--snippet-exit snippet))
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(printf "\tsnippet-exit: %s next: %s\n"
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(yas-debug-live-marker (yas--exit-marker exit))
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(yas--exit-next exit)))
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(dolist (field (yas--snippet-fields snippet))
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(unless (consp (yas--field-start field))
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(printf "\tfield: %d %s covering \"%s\" next: %s%s\n"
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(yas--field-number field)
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(yas-debug-live-range field)
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(buffer-substring-no-properties (yas--field-start field) (yas--field-end field))
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(yas--debug-format-fom-concise (yas--field-next field))
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(if (yas--field-parent-field field) "(has a parent)" "")))
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(dolist (mirror (yas--field-mirrors field))
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(unless (consp (yas--mirror-start mirror))
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(printf "\t\tmirror: %s covering \"%s\" next: %s\n"
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(yas-debug-live-range mirror)
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(buffer-substring-no-properties (yas--mirror-start mirror) (yas--mirror-end mirror))
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(yas--debug-format-fom-concise (yas--mirror-next mirror))))))))
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(defvar yas-debug-target-buffer nil)
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(defvar-local yas-debug-target-snippets nil)
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(defadvice yas--snippet-parse-create (before yas-debug-target-snippet (snippet))
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(add-to-list 'yas-debug-target-snippets snippet))
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(defadvice yas--commit-snippet (after yas-debug-untarget-snippet (snippet))
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(setq yas-debug-target-snippets
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(remq snippet yas-debug-target-snippets))
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(maphash (lambda (k color-ov)
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(delete-overlay (cdr color-ov)))
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yas-debug-live-indicators)
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(clrhash yas-debug-live-indicators))
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(defun yas-debug-snippets (&optional outbuf hook)
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(interactive (list nil t))
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(condition-case err
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(yas-debug-with-tracebuf outbuf
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(unless (buffer-live-p yas-debug-target-buffer)
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(setq yas-debug-target-buffer nil))
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(with-current-buffer (or yas-debug-target-buffer (current-buffer))
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(when yas-debug-target-snippets
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(setq yas-debug-target-snippets
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(cl-delete-if-not #'yas--snippet-p yas-debug-target-snippets)))
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(let ((yas-debug-recently-live-indicators nil))
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(dolist (snippet (or yas-debug-target-snippets
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(yas-active-snippets)))
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(printf "snippet %d\n" (yas--snippet-id snippet))
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(yas-debug-snippet snippet outbuf))
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(maphash (lambda (loc color-ov)
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(unless (memq loc yas-debug-recently-live-indicators)
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(delete-overlay (cdr color-ov))
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(remhash loc yas-debug-live-indicators)))
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yas-debug-live-indicators)))
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(when hook
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(setq yas-debug-target-buffer (current-buffer))
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(ad-enable-advice 'yas--snippet-parse-create 'before 'yas-debug-target-snippet)
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(ad-activate 'yas--snippet-parse-create)
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(ad-enable-advice 'yas--commit-snippet 'after 'yas-debug-untarget-snippet)
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(ad-activate 'yas--commit-snippet)
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(add-hook 'post-command-hook #'yas-debug-snippets)
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;; Window management is slapped together, it does what I
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;; want when the caller has a single window open. Good
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;; enough for now.
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(when (eq hook 'create)
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(require 'edebug)
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(edebug-instrument-function 'yas--snippet-parse-create)
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(let ((buf-point (find-function-noselect 'yas--snippet-parse-create)))
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(with-current-buffer (car buf-point)
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(goto-char (cdr buf-point)))))
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outbuf))
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((debug error) (signal (car err) (cdr err)))))
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(defun yas-debug-snippet-create ()
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(yas-debug-snippets nil 'create))
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(defun yas-debug-snippet-vars ()
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"Debug snippets, fields, mirrors and the `buffer-undo-list'."
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(interactive)
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(with-output-to-temp-buffer "*YASnippet trace*"
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(princ "Interesting YASnippet vars: \n\n")
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(yas-debug-with-tracebuf ()
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(printf "Interesting YASnippet vars: \n\n")
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(princ (format "\nPost command hook: %s\n" post-command-hook))
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(princ (format "\nPre command hook: %s\n" pre-command-hook))
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(printf "\nPost command hook: %s\n" post-command-hook)
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(printf "\nPre command hook: %s\n" pre-command-hook)
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(princ (format "%s live snippets in total\n" (length (yas-active-snippets 'all-snippets))))
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(princ (format "%s overlays in buffer:\n\n" (length (overlays-in (point-min) (point-max)))))
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(princ (format "%s live snippets at point:\n\n" (length (yas-active-snippets))))
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(printf "%s live snippets in total\n" (length (yas-active-snippets 'all-snippets)))
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(printf "%s overlays in buffer:\n\n" (length (overlays-in (point-min) (point-max))))
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(printf "%s live snippets at point:\n\n" (length (yas-active-snippets)))
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(yas-debug-snippets outbuf)
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(dolist (snippet (yas-active-snippets))
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(princ (format "\tsid: %d control overlay from %d to %d\n"
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(yas--snippet-id snippet)
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(overlay-start (yas--snippet-control-overlay snippet))
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(overlay-end (yas--snippet-control-overlay snippet))))
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(princ (format "\tactive field: %s from %s to %s covering \"%s\"\n"
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(yas--field-number (yas--snippet-active-field snippet))
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(marker-position (yas--field-start (yas--snippet-active-field snippet)))
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(marker-position (yas--field-end (yas--snippet-active-field snippet)))
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(buffer-substring-no-properties (yas--field-start (yas--snippet-active-field snippet)) (yas--field-end (yas--snippet-active-field snippet)))))
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(when (yas--snippet-exit snippet)
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(princ (format "\tsnippet-exit: at %s next: %s\n"
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(yas--exit-marker (yas--snippet-exit snippet))
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(yas--exit-next (yas--snippet-exit snippet)))))
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(dolist (field (yas--snippet-fields snippet))
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(princ (format "\tfield: %s from %s to %s covering \"%s\" next: %s%s\n"
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(yas--field-number field)
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(marker-position (yas--field-start field))
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(marker-position (yas--field-end field))
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(buffer-substring-no-properties (yas--field-start field) (yas--field-end field))
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(yas--debug-format-fom-concise (yas--field-next field))
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(if (yas--field-parent-field field) "(has a parent)" "")))
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(dolist (mirror (yas--field-mirrors field))
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(princ (format "\t\tmirror: from %s to %s covering \"%s\" next: %s\n"
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(marker-position (yas--mirror-start mirror))
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(marker-position (yas--mirror-end mirror))
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(buffer-substring-no-properties (yas--mirror-start mirror) (yas--mirror-end mirror))
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(yas--debug-format-fom-concise (yas--mirror-next mirror)))))))
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(princ (format "\nUndo is %s and point-max is %s.\n"
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(if (eq buffer-undo-list t)
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"DISABLED"
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"ENABLED")
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(point-max)))
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(printf "\nUndo is %s and point-max is %s.\n"
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(if (eq buffer-undo-list t)
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"DISABLED"
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"ENABLED")
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(point-max))
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(unless (eq buffer-undo-list t)
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(princ (format "Undpolist has %s elements. First 10 elements follow:\n"
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(length buffer-undo-list)))
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(printf "Undpolist has %s elements. First 10 elements follow:\n"
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(length buffer-undo-list))
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(let ((first-ten (cl-subseq buffer-undo-list 0
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(min 19 (length buffer-undo-list)))))
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(dolist (undo-elem first-ten)
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(princ (format "%2s: %s\n" (cl-position undo-elem first-ten)
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(truncate-string-to-width (format "%s" undo-elem) 70))))))))
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(printf "%2s: %s\n" (cl-position undo-elem first-ten)
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(truncate-string-to-width (format "%s" undo-elem) 70)))))
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(display-buffer tracebuf)))
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(defun yas--debug-format-fom-concise (fom)
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(when fom
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@ -99,6 +288,50 @@
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(format "snippet exit at %d"
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(marker-position (yas--fom-start fom)))))))
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(defun yas-debug-process-command-line ()
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"Implement command line processing."
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(setq yas-verbosity 99)
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(setq yas-triggers-in-field t)
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(setq debug-on-error t)
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(let* ((snippet-file nil)
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(snippet-mode 'fundamental-mode)
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(options (cl-loop for opt = (pop command-line-args-left)
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while (and opt (not (equal opt "--"))
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(string-prefix-p "-" opt))
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collect opt))
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(snippet-key nil))
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(when-let (mode (cl-member "-M:" options :test #'string-prefix-p))
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(setq snippet-mode (intern (concat (substring (car mode) 3) "-mode"))))
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(when-let (mode (cl-member "-M." options :test #'string-prefix-p))
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(setq snippet-mode
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(cdr (cl-assoc (substring (car mode) 2) auto-mode-alist
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:test (lambda (ext regexp) (string-match-p regexp ext))))))
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(switch-to-buffer (get-buffer-create "*yas test*"))
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(funcall snippet-mode)
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(when-let (snippet-file (cl-member "-S:" options :test #'string-prefix-p))
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(setq snippet-file (substring (car snippet-file) 3))
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(if (file-exists-p snippet-file)
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(with-temp-buffer
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(insert-file-contents snippet-file)
|
||||
(let ((snippet-deflist (yas--parse-template snippet-file)))
|
||||
(yas-define-snippets snippet-mode (list snippet-deflist))
|
||||
(setq snippet-key (car snippet-deflist))))
|
||||
(yas-reload-all)
|
||||
(let ((template (yas--lookup-snippet-1 snippet-file snippet-mode)))
|
||||
(if template
|
||||
(setq snippet-key (yas--template-key template))
|
||||
(error "No such snippet `%s'" snippet-file)))))
|
||||
(display-buffer (find-file-noselect
|
||||
(expand-file-name "yasnippet.el" yas--loaddir)))
|
||||
(when-let (verbosity (car (or (member "-v" options) (member "-vv" options))))
|
||||
(set-window-buffer
|
||||
(split-window) (yas-debug-snippets
|
||||
nil (if (equal verbosity "-vv") 'create t))))
|
||||
(yas-minor-mode +1)
|
||||
(when snippet-key (insert snippet-key))))
|
||||
|
||||
(when command-line-args-left
|
||||
(yas-debug-process-command-line))
|
||||
|
||||
(defun yas-exterminate-package ()
|
||||
(interactive)
|
||||
@ -108,24 +341,6 @@
|
||||
(when (string-match "yas[-/]" (symbol-name atom))
|
||||
(unintern atom obarray)))))
|
||||
|
||||
(defun yas-debug-test (&optional quiet)
|
||||
(interactive "P")
|
||||
(yas-load-directory (or (car-safe yas-snippet-dirs)
|
||||
yas-snippet-dirs
|
||||
"~/Source/yasnippet/snippets/"))
|
||||
(set-buffer (switch-to-buffer "*YAS TEST*"))
|
||||
(mapc #'yas--commit-snippet (yas-active-snippets 'all-snippets))
|
||||
(erase-buffer)
|
||||
(setq buffer-undo-list nil)
|
||||
(setq undo-in-progress nil)
|
||||
(snippet-mode)
|
||||
(yas-minor-mode 1)
|
||||
(let ((abbrev))
|
||||
(setq abbrev "$f")
|
||||
(insert abbrev))
|
||||
(unless quiet
|
||||
(add-hook 'post-command-hook 'yas-debug-snippet-vars 't 'local)))
|
||||
|
||||
(provide 'yasnippet-debug)
|
||||
;; Local Variables:
|
||||
;; indent-tabs-mode: nil
|
||||
|
||||
46
yasnippet.el
46
yasnippet.el
@ -3828,7 +3828,7 @@ considered when expanding the snippet."
|
||||
(sit-for 0) ;; fix issue 125
|
||||
(yas--letenv (yas--snippet-expand-env snippet)
|
||||
(yas--move-to-field snippet first-field))))
|
||||
(yas--message 4 "snippet expanded.")
|
||||
(yas--message 4 "snippet %d expanded." (yas--snippet-id snippet))
|
||||
(setq deactivate-mark nil)
|
||||
t))))
|
||||
|
||||
@ -4601,27 +4601,29 @@ When multiple expressions are found, only the last one counts."
|
||||
;;
|
||||
(defun yas--post-command-handler ()
|
||||
"Handles various yasnippet conditions after each command."
|
||||
(yas--finish-moving-snippets)
|
||||
(cond ((eq 'undo this-command)
|
||||
;;
|
||||
;; After undo revival the correct field is sometimes not
|
||||
;; restored correctly, this condition handles that
|
||||
;;
|
||||
(let* ((snippet (car (yas-active-snippets)))
|
||||
(target-field
|
||||
(and snippet
|
||||
(cl-find-if-not
|
||||
(lambda (field)
|
||||
(yas--field-probably-deleted-p snippet field))
|
||||
(remq nil
|
||||
(cons (yas--snippet-active-field snippet)
|
||||
(yas--snippet-fields snippet)))))))
|
||||
(when target-field
|
||||
(yas--move-to-field snippet target-field))))
|
||||
((not (yas--undo-in-progress))
|
||||
;; When not in an undo, check if we must commit the snippet
|
||||
;; (user exited it).
|
||||
(yas--check-commit-snippet))))
|
||||
(condition-case err
|
||||
(progn (yas--finish-moving-snippets)
|
||||
(cond ((eq 'undo this-command)
|
||||
;;
|
||||
;; After undo revival the correct field is sometimes not
|
||||
;; restored correctly, this condition handles that
|
||||
;;
|
||||
(let* ((snippet (car (yas-active-snippets)))
|
||||
(target-field
|
||||
(and snippet
|
||||
(cl-find-if-not
|
||||
(lambda (field)
|
||||
(yas--field-probably-deleted-p snippet field))
|
||||
(remq nil
|
||||
(cons (yas--snippet-active-field snippet)
|
||||
(yas--snippet-fields snippet)))))))
|
||||
(when target-field
|
||||
(yas--move-to-field snippet target-field))))
|
||||
((not (yas--undo-in-progress))
|
||||
;; When not in an undo, check if we must commit the snippet
|
||||
;; (user exited it).
|
||||
(yas--check-commit-snippet))))
|
||||
((debug error) (signal (car err) (cdr err)))))
|
||||
|
||||
;;; Fancy docs:
|
||||
;;
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user