900 lines
39 KiB
EmacsLisp
900 lines
39 KiB
EmacsLisp
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;;; cider-stacktrace.el --- Stacktrace navigator -*- lexical-binding: t -*-
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;; Copyright © 2014-2018 Jeff Valk, Bozhidar Batsov and CIDER contributors
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;; Author: Jeff Valk <jv@jeffvalk.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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;; This file is not part of GNU Emacs.
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;;; Commentary:
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;; Stacktrace filtering and stack frame source navigation
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;;; Code:
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(require 'cl-lib)
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(require 'cider-popup)
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(require 'button)
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(require 'easymenu)
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(require 'cider-common)
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(require 'subr-x)
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(require 'cider-compat)
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(require 'cider-client)
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(require 'cider-util)
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(require 'seq)
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;; Variables
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(defgroup cider-stacktrace nil
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"Stacktrace filtering and navigation."
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:prefix "cider-stacktrace-"
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:group 'cider)
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(defcustom cider-stacktrace-fill-column t
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"Fill column for error messages in stacktrace display.
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If nil, messages will not be wrapped. If truthy but non-numeric,
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`fill-column' will be used."
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:type 'list
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:group 'cider-stacktrace
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:package-version '(cider . "0.7.0"))
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(defcustom cider-stacktrace-default-filters '(tooling dup)
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"Frame types to omit from initial stacktrace display."
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:type 'list
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:group 'cider-stacktrace
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:package-version '(cider . "0.6.0"))
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(defcustom cider-stacktrace-print-length 50
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"Set the maximum length of sequences in displayed cause data.
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This sets the value of Clojure's `*print-length*` when pretty printing the
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`ex-data` map for exception causes in the stacktrace that are instances of
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`IExceptionInfo`.
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Be advised that setting this to `nil` will cause the attempted printing of
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infinite data structures."
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:type '(choice integer (const nil))
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:group 'cider-stacktrace
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:package-version '(cider . "0.9.0"))
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(defcustom cider-stacktrace-print-level 50
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"Set the maximum level of nesting in displayed cause data.
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This sets the value of Clojure's `*print-level*` when pretty printing the
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`ex-data` map for exception causes in the stacktrace that are instances of
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`IExceptionInfo`.
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Be advised that setting this to `nil` will cause the attempted printing of
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cyclical data structures."
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:type '(choice integer (const nil))
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:group 'cider-stacktrace
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:package-version '(cider . "0.8.0"))
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(defvar cider-stacktrace-detail-max 2
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"The maximum detail level for causes.")
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(defvar-local cider-stacktrace-hidden-frame-count 0)
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(defvar-local cider-stacktrace-filters nil)
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(defvar-local cider-stacktrace-cause-visibility nil)
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(defvar-local cider-stacktrace-positive-filters nil)
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(defconst cider-error-buffer "*cider-error*")
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(make-obsolete 'cider-visit-error-buffer 'cider-selector "0.18")
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(defcustom cider-stacktrace-suppressed-errors '()
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"Errors that won't make the stacktrace buffer 'pop-over' your active window.
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The error types are represented as strings."
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:type 'list
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:group 'cider-stacktrace
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:package-version '(cider . "0.12.0"))
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;; Faces
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(defface cider-stacktrace-error-class-face
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'((t (:inherit font-lock-warning-face)))
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"Face for exception class names"
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:group 'cider-stacktrace
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:package-version '(cider . "0.6.0"))
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(defface cider-stacktrace-error-message-face
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'((t (:inherit font-lock-doc-face)))
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"Face for exception messages"
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:group 'cider-stacktrace
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:package-version '(cider . "0.7.0"))
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(defface cider-stacktrace-filter-active-face
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'((t (:inherit button :underline t :weight normal)))
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"Face for filter buttons representing frames currently visible"
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:group 'cider-stacktrace
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:package-version '(cider . "0.6.0"))
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(defface cider-stacktrace-filter-inactive-face
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'((t (:inherit button :underline nil :weight normal)))
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"Face for filter buttons representing frames currently filtered out"
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:group 'cider-stacktrace
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:package-version '(cider . "0.6.0"))
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(defface cider-stacktrace-face
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'((t (:inherit default)))
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"Face for stack frame text"
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:group 'cider-stacktrace
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:package-version '(cider . "0.6.0"))
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(defface cider-stacktrace-ns-face
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'((t (:inherit font-lock-comment-face)))
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"Face for stack frame namespace name"
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:group 'cider-stacktrace
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:package-version '(cider . "0.6.0"))
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(defface cider-stacktrace-fn-face
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'((t (:inherit default :weight bold)))
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"Face for stack frame function name"
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:group 'cider-stacktrace
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:package-version '(cider . "0.6.0"))
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(defface cider-stacktrace-promoted-button-face
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'((((type graphic))
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:box (:line-width 3 :style released-button)
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:inherit error)
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(t :inverse-video t))
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"A button with this face represents a promoted (non-suppressed) error type."
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:group 'cider-stacktrace
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:package-version '(cider . "0.12.0"))
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(defface cider-stacktrace-suppressed-button-face
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'((((type graphic))
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:box (:line-width 3 :style pressed-button)
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:inherit widget-inactive)
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(t :inverse-video t))
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"A button with this face represents a suppressed error type."
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:group 'cider-stacktrace
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:package-version '(cider . "0.12.0"))
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;; Colors & Theme Support
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(defvar cider-stacktrace-frames-background-color
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(cider-scale-background-color)
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"Background color for stacktrace frames.")
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(defadvice enable-theme (after cider-stacktrace-adapt-to-theme activate)
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"When theme is changed, update `cider-stacktrace-frames-background-color'."
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(setq cider-stacktrace-frames-background-color (cider-scale-background-color)))
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(defadvice disable-theme (after cider-stacktrace-adapt-to-theme activate)
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"When theme is disabled, update `cider-stacktrace-frames-background-color'."
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(setq cider-stacktrace-frames-background-color (cider-scale-background-color)))
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;; Mode & key bindings
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(defvar cider-stacktrace-mode-map
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(let ((map (make-sparse-keymap)))
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(define-key map (kbd "M-p") #'cider-stacktrace-previous-cause)
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(define-key map (kbd "M-n") #'cider-stacktrace-next-cause)
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(define-key map (kbd "M-.") #'cider-stacktrace-jump)
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(define-key map "q" #'cider-popup-buffer-quit-function)
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(define-key map "j" #'cider-stacktrace-toggle-java)
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(define-key map "c" #'cider-stacktrace-toggle-clj)
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(define-key map "r" #'cider-stacktrace-toggle-repl)
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(define-key map "t" #'cider-stacktrace-toggle-tooling)
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(define-key map "d" #'cider-stacktrace-toggle-duplicates)
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(define-key map "p" #'cider-stacktrace-show-only-project)
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(define-key map "a" #'cider-stacktrace-toggle-all)
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(define-key map "1" #'cider-stacktrace-cycle-cause-1)
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(define-key map "2" #'cider-stacktrace-cycle-cause-2)
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(define-key map "3" #'cider-stacktrace-cycle-cause-3)
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(define-key map "4" #'cider-stacktrace-cycle-cause-4)
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(define-key map "5" #'cider-stacktrace-cycle-cause-5)
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(define-key map "0" #'cider-stacktrace-cycle-all-causes)
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(define-key map (kbd "TAB") #'cider-stacktrace-cycle-current-cause)
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(define-key map [backtab] #'cider-stacktrace-cycle-all-causes)
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(easy-menu-define cider-stacktrace-mode-menu map
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"Menu for CIDER's stacktrace mode"
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'("Stacktrace"
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["Previous cause" cider-stacktrace-previous-cause]
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["Next cause" cider-stacktrace-next-cause]
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"--"
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["Jump to frame source" cider-stacktrace-jump]
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"--"
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["Cycle current cause detail" cider-stacktrace-cycle-current-cause]
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["Cycle cause #1 detail" cider-stacktrace-cycle-cause-1]
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["Cycle cause #2 detail" cider-stacktrace-cycle-cause-2]
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["Cycle cause #3 detail" cider-stacktrace-cycle-cause-3]
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["Cycle cause #4 detail" cider-stacktrace-cycle-cause-4]
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["Cycle cause #5 detail" cider-stacktrace-cycle-cause-5]
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["Cycle all cause detail" cider-stacktrace-cycle-all-causes]
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"--"
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["Show/hide Java frames" cider-stacktrace-toggle-java]
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["Show/hide Clojure frames" cider-stacktrace-toggle-clj]
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["Show/hide REPL frames" cider-stacktrace-toggle-repl]
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["Show/hide tooling frames" cider-stacktrace-toggle-tooling]
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["Show/hide duplicate frames" cider-stacktrace-toggle-duplicates]
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["Toggle only project frames" cider-stacktrace-show-only-project]
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["Show/hide all frames" cider-stacktrace-toggle-all]))
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map))
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(define-derived-mode cider-stacktrace-mode special-mode "Stacktrace"
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"Major mode for filtering and navigating CIDER stacktraces.
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\\{cider-stacktrace-mode-map}"
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(when cider-special-mode-truncate-lines
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(setq-local truncate-lines t))
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(setq-local sesman-system 'CIDER)
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(setq-local electric-indent-chars nil)
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(setq-local cider-stacktrace-hidden-frame-count 0)
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(setq-local cider-stacktrace-filters cider-stacktrace-default-filters)
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(setq-local cider-stacktrace-cause-visibility (make-vector 10 0)))
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;; Stacktrace filtering
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(defvar cider-stacktrace--all-negative-filters
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'(clj tooling dup java repl)
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"Filters that remove stackframes.")
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(defvar cider-stacktrace--all-positive-filters
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'(project all)
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"Filters that ensure stackframes are shown.")
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(defun cider-stacktrace--face-for-filter (filter neg-filters pos-filters)
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"Return whether we should mark the FILTER is active or not.
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NEG-FILTERS and POS-FILTERS are lists of filters to check FILTER's type.
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NEG-FILTERS dictate which frames should be hidden while POS-FILTERS can
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override this and ensure that those frames are shown."
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(cond ((member filter cider-stacktrace--all-negative-filters)
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(if (member filter neg-filters)
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'cider-stacktrace-filter-active-face
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'cider-stacktrace-filter-inactive-face))
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((member filter cider-stacktrace--all-positive-filters)
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(if (member filter pos-filters)
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'cider-stacktrace-filter-active-face
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'cider-stacktrace-filter-inactive-face))))
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(defun cider-stacktrace-indicate-filters (filters pos-filters)
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"Update enabled state of filter buttons.
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Find buttons with a 'filter property; if filter is a member of FILTERS, or
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if filter is nil ('show all') and the argument list is non-nil, fontify the
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button as disabled. Upon finding text with a 'hidden-count property, stop
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searching and update the hidden count text. POS-FILTERS is the list of
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positive filters to always include."
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(with-current-buffer cider-error-buffer
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(save-excursion
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(goto-char (point-min))
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(let ((inhibit-read-only t))
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;; Toggle buttons
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(while (not (or (get-text-property (point) 'hidden-count) (eobp)))
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(let ((button (button-at (point))))
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(when button
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(let* ((filter (button-get button 'filter))
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(face (cider-stacktrace--face-for-filter filter
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filters
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pos-filters)))
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(button-put button 'face face)))
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(goto-char (or (next-property-change (point))
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(point-max)))))
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;; Update hidden count
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(when (and (get-text-property (point) 'hidden-count)
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(re-search-forward "[0-9]+" (line-end-position) t))
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(replace-match
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(number-to-string cider-stacktrace-hidden-frame-count)))))))
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(defun cider-stacktrace-frame-p ()
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"Indicate if the text at point is a stack frame."
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(get-text-property (point) 'cider-stacktrace-frame))
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(defun cider-stacktrace-collapsed-p ()
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"Indicate if the stackframe was collapsed."
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(get-text-property (point) 'collapsed))
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(defun cider-stacktrace--should-hide-p (neg-filters pos-filters flags)
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"Decide whether a stackframe should be hidden or not.
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NEG-FILTERS dictate which frames should be hidden while POS-FILTERS can
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override this and ensure that those frames are shown.
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Argument FLAGS are the flags set on the stackframe, ie: clj dup, etc."
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(let ((neg (seq-intersection neg-filters flags))
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(pos (seq-intersection pos-filters flags))
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(all (memq 'all pos-filters)))
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(cond (all nil) ;; if all filter is on then we should not hide
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((and pos neg) nil) ;; if hidden and "resurrected" we should not hide
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(pos nil)
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(neg t)
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(t nil))))
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(defun cider-stacktrace--apply-filters (neg-filters pos-filters)
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"Set visibility on stack frames.
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Should be called by `cider-stacktrace-apply-filters' which has the logic of
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how to interpret the combinations of the positive and negative filters.
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For instance, the presence of the positive filter `project' requires all of
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the other negative filters to be applied so that only project frames are
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shown. NEG-FILTERS are the tags that should be hidden. POS-FILTERS are
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the tags that must be shown."
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(with-current-buffer cider-error-buffer
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(save-excursion
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(goto-char (point-min))
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(let ((inhibit-read-only t)
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(hidden 0))
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(while (not (eobp))
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||
|
|
(when (and (cider-stacktrace-frame-p)
|
||
|
|
(not (cider-stacktrace-collapsed-p)))
|
||
|
|
(let* ((flags (get-text-property (point) 'flags))
|
||
|
|
(hide (cider-stacktrace--should-hide-p neg-filters
|
||
|
|
pos-filters
|
||
|
|
flags)))
|
||
|
|
(when hide (cl-incf hidden))
|
||
|
|
(put-text-property (point) (line-beginning-position 2)
|
||
|
|
'invisible hide)))
|
||
|
|
(forward-line 1))
|
||
|
|
(setq cider-stacktrace-hidden-frame-count hidden)))
|
||
|
|
(cider-stacktrace-indicate-filters neg-filters pos-filters)))
|
||
|
|
|
||
|
|
(defun cider-stacktrace-apply-filters (filters)
|
||
|
|
"Takes a single list of filters and applies them.
|
||
|
|
Update `cider-stacktrace-hidden-frame-count' and indicate
|
||
|
|
filters applied. Currently collapsed stacktraces are ignored, and do not
|
||
|
|
contribute to the hidden count. FILTERS is the list of filters to be
|
||
|
|
applied, positive and negative all together. This function defines how
|
||
|
|
those choices interact and separates them into positive and negative
|
||
|
|
filters for the resulting machinery."
|
||
|
|
(let ((neg-filters (seq-intersection filters cider-stacktrace--all-negative-filters))
|
||
|
|
(pos-filters (seq-intersection filters cider-stacktrace--all-positive-filters)))
|
||
|
|
;; project and all are mutually exclusive. when both are present we check to
|
||
|
|
;; see the most recent one (as cons onto the list would put it) and use that
|
||
|
|
;; interaction.
|
||
|
|
(cond
|
||
|
|
((memq 'all (memq 'project pos-filters)) ;; project is most recent
|
||
|
|
(cider-stacktrace--apply-filters cider-stacktrace--all-negative-filters '(project)))
|
||
|
|
((memq 'project (memq 'all pos-filters)) ;; all is most recent
|
||
|
|
(cider-stacktrace--apply-filters nil '(all)))
|
||
|
|
((memq 'all pos-filters) (cider-stacktrace--apply-filters nil '(all)))
|
||
|
|
((memq 'project pos-filters) (cider-stacktrace--apply-filters cider-stacktrace--all-negative-filters
|
||
|
|
pos-filters))
|
||
|
|
(t (cider-stacktrace--apply-filters neg-filters pos-filters)))))
|
||
|
|
|
||
|
|
(defun cider-stacktrace-apply-cause-visibility ()
|
||
|
|
"Apply `cider-stacktrace-cause-visibility' to causes and reapply filters."
|
||
|
|
(with-current-buffer cider-error-buffer
|
||
|
|
(save-excursion
|
||
|
|
(goto-char (point-min))
|
||
|
|
(cl-flet ((next-detail (end)
|
||
|
|
(when-let* ((pos (next-single-property-change (point) 'detail)))
|
||
|
|
(when (< pos end)
|
||
|
|
(goto-char pos)))))
|
||
|
|
(let ((inhibit-read-only t))
|
||
|
|
;; For each cause...
|
||
|
|
(while (cider-stacktrace-next-cause)
|
||
|
|
(let* ((num (get-text-property (point) 'cause))
|
||
|
|
(level (elt cider-stacktrace-cause-visibility num))
|
||
|
|
(cause-end (cadr (cider-property-bounds 'cause))))
|
||
|
|
;; For each detail level within the cause, set visibility.
|
||
|
|
(while (next-detail cause-end)
|
||
|
|
(let* ((detail (get-text-property (point) 'detail))
|
||
|
|
(detail-end (cadr (cider-property-bounds 'detail)))
|
||
|
|
(hide (if (> detail level) t nil)))
|
||
|
|
(add-text-properties (point) detail-end
|
||
|
|
(list 'invisible hide
|
||
|
|
'collapsed hide))))))))
|
||
|
|
(cider-stacktrace-apply-filters cider-stacktrace-filters))))
|
||
|
|
|
||
|
|
;;; Internal/Middleware error suppression
|
||
|
|
|
||
|
|
(defun cider-stacktrace-some-suppressed-errors-p (error-types)
|
||
|
|
"Return intersection of ERROR-TYPES and CIDER-STACKTRACE-SUPPRESSED-ERRORS.
|
||
|
|
I.e, Return non-nil if the seq ERROR-TYPES shares any elements with
|
||
|
|
`cider-stacktrace-suppressed-errors'. This means that even a
|
||
|
|
'well-behaved' (ie, promoted) error type will be 'guilty by association' if
|
||
|
|
grouped with a suppressed error type."
|
||
|
|
(seq-intersection error-types cider-stacktrace-suppressed-errors))
|
||
|
|
|
||
|
|
(defun cider-stacktrace-suppress-error (error-type)
|
||
|
|
"Destructively add element ERROR-TYPE to the `cider-stacktrace-suppressed-errors' set."
|
||
|
|
(setq cider-stacktrace-suppressed-errors
|
||
|
|
(cl-adjoin error-type cider-stacktrace-suppressed-errors :test 'equal)))
|
||
|
|
|
||
|
|
(defun cider-stacktrace-promote-error (error-type)
|
||
|
|
"Destructively remove element ERROR-TYPE from the `cider-stacktrace-suppressed-errors' set."
|
||
|
|
(setq cider-stacktrace-suppressed-errors
|
||
|
|
(remove error-type cider-stacktrace-suppressed-errors)))
|
||
|
|
|
||
|
|
(defun cider-stacktrace-suppressed-error-p (error-type)
|
||
|
|
"Return non-nil if element ERROR-TYPE is a member of the `cider-stacktrace-suppressed-errors' set."
|
||
|
|
(member error-type cider-stacktrace-suppressed-errors))
|
||
|
|
|
||
|
|
;; Interactive functions
|
||
|
|
|
||
|
|
(defun cider-stacktrace-previous-cause ()
|
||
|
|
"Move point to the previous exception cause, if one exists."
|
||
|
|
(interactive)
|
||
|
|
(with-current-buffer cider-error-buffer
|
||
|
|
(when-let* ((pos (previous-single-property-change (point) 'cause)))
|
||
|
|
(goto-char pos))))
|
||
|
|
|
||
|
|
(defun cider-stacktrace-next-cause ()
|
||
|
|
"Move point to the next exception cause, if one exists."
|
||
|
|
(interactive)
|
||
|
|
(with-current-buffer cider-error-buffer
|
||
|
|
(when-let* ((pos (next-single-property-change (point) 'cause)))
|
||
|
|
(goto-char pos))))
|
||
|
|
|
||
|
|
(defun cider-stacktrace-cycle-cause (num &optional level)
|
||
|
|
"Update element NUM of `cider-stacktrace-cause-visibility'.
|
||
|
|
If LEVEL is specified, it is useed, otherwise its current value is incremented.
|
||
|
|
When it reaches 3, it wraps to 0."
|
||
|
|
(let ((level (or level (1+ (elt cider-stacktrace-cause-visibility num)))))
|
||
|
|
(aset cider-stacktrace-cause-visibility num (mod level 3))
|
||
|
|
(cider-stacktrace-apply-cause-visibility)))
|
||
|
|
|
||
|
|
(defun cider-stacktrace-cycle-all-causes ()
|
||
|
|
"Cycle the visibility of all exception causes."
|
||
|
|
(interactive)
|
||
|
|
(with-current-buffer cider-error-buffer
|
||
|
|
(save-excursion
|
||
|
|
;; Find nearest cause.
|
||
|
|
(unless (get-text-property (point) 'cause)
|
||
|
|
(cider-stacktrace-next-cause)
|
||
|
|
(unless (get-text-property (point) 'cause)
|
||
|
|
(cider-stacktrace-previous-cause)))
|
||
|
|
;; Cycle its level, and apply that to all causes.
|
||
|
|
(let* ((num (get-text-property (point) 'cause))
|
||
|
|
(level (1+ (elt cider-stacktrace-cause-visibility num))))
|
||
|
|
(setq-local cider-stacktrace-cause-visibility
|
||
|
|
(make-vector 10 (mod level 3)))
|
||
|
|
(cider-stacktrace-apply-cause-visibility)))))
|
||
|
|
|
||
|
|
(defun cider-stacktrace-cycle-current-cause ()
|
||
|
|
"Cycle the visibility of current exception at point, if any."
|
||
|
|
(interactive)
|
||
|
|
(with-current-buffer cider-error-buffer
|
||
|
|
(when-let* ((num (get-text-property (point) 'cause)))
|
||
|
|
(cider-stacktrace-cycle-cause num))))
|
||
|
|
|
||
|
|
(defun cider-stacktrace-cycle-cause-1 ()
|
||
|
|
"Cycle the visibility of exception cause #1."
|
||
|
|
(interactive)
|
||
|
|
(cider-stacktrace-cycle-cause 1))
|
||
|
|
|
||
|
|
(defun cider-stacktrace-cycle-cause-2 ()
|
||
|
|
"Cycle the visibility of exception cause #2."
|
||
|
|
(interactive)
|
||
|
|
(cider-stacktrace-cycle-cause 2))
|
||
|
|
|
||
|
|
(defun cider-stacktrace-cycle-cause-3 ()
|
||
|
|
"Cycle the visibility of exception cause #3."
|
||
|
|
(interactive)
|
||
|
|
(cider-stacktrace-cycle-cause 3))
|
||
|
|
|
||
|
|
(defun cider-stacktrace-cycle-cause-4 ()
|
||
|
|
"Cycle the visibility of exception cause #4."
|
||
|
|
(interactive)
|
||
|
|
(cider-stacktrace-cycle-cause 4))
|
||
|
|
|
||
|
|
(defun cider-stacktrace-cycle-cause-5 ()
|
||
|
|
"Cycle the visibility of exception cause #5."
|
||
|
|
(interactive)
|
||
|
|
(cider-stacktrace-cycle-cause 5))
|
||
|
|
|
||
|
|
(defun cider-stacktrace-toggle (flag)
|
||
|
|
"Update `cider-stacktrace-filters' to add or remove FLAG, and apply filters."
|
||
|
|
(cider-stacktrace-apply-filters
|
||
|
|
(setq cider-stacktrace-filters
|
||
|
|
(if (memq flag cider-stacktrace-filters)
|
||
|
|
(remq flag cider-stacktrace-filters)
|
||
|
|
(cons flag cider-stacktrace-filters)))))
|
||
|
|
|
||
|
|
(defun cider-stacktrace-toggle-all ()
|
||
|
|
"Toggle `all' in filter list."
|
||
|
|
(interactive)
|
||
|
|
(cider-stacktrace-toggle 'all))
|
||
|
|
|
||
|
|
(defun cider-stacktrace-show-only-project ()
|
||
|
|
"Display only the stackframes from the project."
|
||
|
|
(interactive)
|
||
|
|
(cider-stacktrace-toggle 'project))
|
||
|
|
|
||
|
|
(defun cider-stacktrace-toggle-java ()
|
||
|
|
"Toggle display of Java stack frames."
|
||
|
|
(interactive)
|
||
|
|
(cider-stacktrace-toggle 'java))
|
||
|
|
|
||
|
|
(defun cider-stacktrace-toggle-clj ()
|
||
|
|
"Toggle display of Clojure stack frames."
|
||
|
|
(interactive)
|
||
|
|
(cider-stacktrace-toggle 'clj))
|
||
|
|
|
||
|
|
(defun cider-stacktrace-toggle-repl ()
|
||
|
|
"Toggle display of REPL stack frames."
|
||
|
|
(interactive)
|
||
|
|
(cider-stacktrace-toggle 'repl))
|
||
|
|
|
||
|
|
(defun cider-stacktrace-toggle-tooling ()
|
||
|
|
"Toggle display of Tooling stack frames (compiler, nREPL middleware, etc)."
|
||
|
|
(interactive)
|
||
|
|
(cider-stacktrace-toggle 'tooling))
|
||
|
|
|
||
|
|
(defun cider-stacktrace-toggle-duplicates ()
|
||
|
|
"Toggle display of stack frames that are duplicates of their descendents."
|
||
|
|
(interactive)
|
||
|
|
(cider-stacktrace-toggle 'dup))
|
||
|
|
|
||
|
|
;; Text button functions
|
||
|
|
|
||
|
|
(defun cider-stacktrace-filter (button)
|
||
|
|
"Apply filter(s) indicated by the BUTTON."
|
||
|
|
(with-temp-message "Filters may also be toggled with the keyboard."
|
||
|
|
(let ((flag (button-get button 'filter)))
|
||
|
|
(cond ((member flag cider-stacktrace--all-negative-filters)
|
||
|
|
(cider-stacktrace-toggle flag))
|
||
|
|
((member flag cider-stacktrace--all-positive-filters)
|
||
|
|
(cider-stacktrace-show-only-project))
|
||
|
|
(t (cider-stacktrace-toggle-all))))
|
||
|
|
(sit-for 5)))
|
||
|
|
|
||
|
|
(defun cider-stacktrace-toggle-suppression (button)
|
||
|
|
"Toggle stacktrace pop-over/pop-under behavior for the `error-type' in BUTTON.
|
||
|
|
Achieved by destructively manipulating the `cider-stacktrace-suppressed-errors' set."
|
||
|
|
(with-current-buffer cider-error-buffer
|
||
|
|
(let ((inhibit-read-only t)
|
||
|
|
(suppressed (button-get button 'suppressed))
|
||
|
|
(error-type (button-get button 'error-type)))
|
||
|
|
(if suppressed
|
||
|
|
(progn
|
||
|
|
(cider-stacktrace-promote-error error-type)
|
||
|
|
(button-put button 'face 'cider-stacktrace-promoted-button-face)
|
||
|
|
(button-put button 'help-echo "Click to suppress these stacktraces."))
|
||
|
|
(cider-stacktrace-suppress-error error-type)
|
||
|
|
(button-put button 'face 'cider-stacktrace-suppressed-button-face)
|
||
|
|
(button-put button 'help-echo "Click to promote these stacktraces."))
|
||
|
|
(button-put button 'suppressed (not suppressed)))))
|
||
|
|
|
||
|
|
(defun cider-stacktrace-navigate (button)
|
||
|
|
"Navigate to the stack frame source represented by the BUTTON."
|
||
|
|
(let* ((var (button-get button 'var))
|
||
|
|
(class (button-get button 'class))
|
||
|
|
(method (button-get button 'method))
|
||
|
|
(info (or (and var (cider-var-info var))
|
||
|
|
(and class method (cider-member-info class method))
|
||
|
|
(nrepl-dict)))
|
||
|
|
;; Stacktrace returns more accurate line numbers, but if the function's
|
||
|
|
;; line was unreliable, then so is the stacktrace by the same amount.
|
||
|
|
;; Set `line-shift' to the number of lines from the beginning of defn.
|
||
|
|
(line-shift (- (or (button-get button 'line) 0)
|
||
|
|
(or (nrepl-dict-get info "line") 1)))
|
||
|
|
(file (or
|
||
|
|
(and (null var) (cider-resolve-java-class class))
|
||
|
|
(nrepl-dict-get info "file")
|
||
|
|
(button-get button 'file)))
|
||
|
|
;; give priority to `info` files as `info` returns full paths.
|
||
|
|
(info (nrepl-dict-put info "file" file)))
|
||
|
|
(cider--jump-to-loc-from-info info t)
|
||
|
|
(forward-line line-shift)
|
||
|
|
(back-to-indentation)))
|
||
|
|
|
||
|
|
(declare-function cider-find-var "cider-find")
|
||
|
|
|
||
|
|
(defun cider-stacktrace-jump (&optional arg)
|
||
|
|
"Find definition for stack frame at point, if available.
|
||
|
|
The prefix ARG and `cider-prompt-for-symbol' decide whether to
|
||
|
|
prompt and whether to use a new window. Similar to `cider-find-var'."
|
||
|
|
(interactive "P")
|
||
|
|
(let ((button (button-at (point))))
|
||
|
|
(if (and button (button-get button 'line))
|
||
|
|
(cider-stacktrace-navigate button)
|
||
|
|
(cider-find-var arg))))
|
||
|
|
|
||
|
|
|
||
|
|
;; Rendering
|
||
|
|
|
||
|
|
(defun cider-stacktrace-emit-indented (text &optional indent fill fontify)
|
||
|
|
"Insert TEXT, and optionally FILL and FONTIFY as clojure the entire block.
|
||
|
|
INDENT is a string to insert before each line. When INDENT is nil, first
|
||
|
|
line is not indented and INDENT defaults to a white-spaced string with
|
||
|
|
length given by `current-column'."
|
||
|
|
(let ((text (if fontify
|
||
|
|
(cider-font-lock-as-clojure text)
|
||
|
|
text))
|
||
|
|
(do-first indent)
|
||
|
|
(indent (or indent (make-string (current-column) ? )))
|
||
|
|
(beg (point)))
|
||
|
|
(insert text)
|
||
|
|
(goto-char beg)
|
||
|
|
(when do-first
|
||
|
|
(insert indent))
|
||
|
|
(forward-line)
|
||
|
|
(while (not (eobp))
|
||
|
|
(insert indent)
|
||
|
|
(forward-line))
|
||
|
|
(when (and fill cider-stacktrace-fill-column)
|
||
|
|
(when (and (numberp cider-stacktrace-fill-column))
|
||
|
|
(setq-local fill-column cider-stacktrace-fill-column))
|
||
|
|
(setq-local fill-prefix indent)
|
||
|
|
(fill-region beg (point)))))
|
||
|
|
|
||
|
|
(defun cider-stacktrace-render-filters (buffer special-filters filters)
|
||
|
|
"Emit into BUFFER toggle buttons for each of the FILTERS.
|
||
|
|
SPECIAL-FILTERS are filters that show stack certain stack frames, hiding
|
||
|
|
others."
|
||
|
|
(with-current-buffer buffer
|
||
|
|
(insert " Show: ")
|
||
|
|
(dolist (filter special-filters)
|
||
|
|
(insert-text-button (car filter)
|
||
|
|
'filter (cadr filter)
|
||
|
|
'follow-link t
|
||
|
|
'action 'cider-stacktrace-filter
|
||
|
|
'help-echo (format "Toggle %s stack frames"
|
||
|
|
(car filter)))
|
||
|
|
(insert " "))
|
||
|
|
(insert "\n")
|
||
|
|
(insert " Hide: ")
|
||
|
|
(dolist (filter filters)
|
||
|
|
(insert-text-button (car filter)
|
||
|
|
'filter (cadr filter)
|
||
|
|
'follow-link t
|
||
|
|
'action 'cider-stacktrace-filter
|
||
|
|
'help-echo (format "Toggle %s stack frames"
|
||
|
|
(car filter)))
|
||
|
|
(insert " "))
|
||
|
|
|
||
|
|
(let ((hidden "(0 frames hidden)"))
|
||
|
|
(put-text-property 0 (length hidden) 'hidden-count t hidden)
|
||
|
|
(insert " " hidden "\n"))))
|
||
|
|
|
||
|
|
(defun cider-stacktrace-render-suppression-toggle (buffer error-types)
|
||
|
|
"Emit into BUFFER toggle buttons for each of the ERROR-TYPES leading this stacktrace buffer."
|
||
|
|
(with-current-buffer buffer
|
||
|
|
(when error-types
|
||
|
|
(insert " This is an unexpected CIDER middleware error.\n Please submit a bug report via `")
|
||
|
|
(insert-text-button "M-x cider-report-bug"
|
||
|
|
'follow-link t
|
||
|
|
'action (lambda (_button) (cider-report-bug))
|
||
|
|
'help-echo "Report bug to the CIDER team.")
|
||
|
|
(insert "`.\n\n")
|
||
|
|
(insert "\
|
||
|
|
If these stacktraces are occuring frequently, consider using the
|
||
|
|
button(s) below to suppress these types of errors for the duration of
|
||
|
|
your current CIDER session. The stacktrace buffer will still be
|
||
|
|
generated, but it will \"pop under\" your current buffer instead of
|
||
|
|
\"popping over\". The button toggles this behavior.\n\n ")
|
||
|
|
(dolist (error-type error-types)
|
||
|
|
(let ((suppressed (cider-stacktrace-suppressed-error-p error-type)))
|
||
|
|
(insert-text-button (format "%s %s" (if suppressed "Promote" "Suppress") error-type)
|
||
|
|
'follow-link t
|
||
|
|
'error-type error-type
|
||
|
|
'action 'cider-stacktrace-toggle-suppression
|
||
|
|
'suppressed suppressed
|
||
|
|
'face (if suppressed
|
||
|
|
'cider-stacktrace-suppressed-button-face
|
||
|
|
'cider-stacktrace-promoted-button-face)
|
||
|
|
'help-echo (format "Click to %s these stacktraces."
|
||
|
|
(if suppressed "promote" "suppress"))))
|
||
|
|
(insert " ")))))
|
||
|
|
|
||
|
|
(defun cider-stacktrace-render-frame (buffer frame)
|
||
|
|
"Emit into BUFFER function call site info for the stack FRAME.
|
||
|
|
This associates text properties to enable filtering and source navigation."
|
||
|
|
(with-current-buffer buffer
|
||
|
|
(nrepl-dbind-response frame (file line flags class method name var ns fn)
|
||
|
|
(let ((flags (mapcar 'intern flags))) ; strings -> symbols
|
||
|
|
(insert-text-button (format "%26s:%5d %s/%s"
|
||
|
|
(if (member 'repl flags) "REPL" file) line
|
||
|
|
(if (member 'clj flags) ns class)
|
||
|
|
(if (member 'clj flags) fn method))
|
||
|
|
'var var 'class class 'method method
|
||
|
|
'name name 'file file 'line line
|
||
|
|
'flags flags 'follow-link t
|
||
|
|
'action 'cider-stacktrace-navigate
|
||
|
|
'help-echo "View source at this location"
|
||
|
|
'font-lock-face 'cider-stacktrace-face
|
||
|
|
'type 'cider-plain-button)
|
||
|
|
(save-excursion
|
||
|
|
(let ((p4 (point))
|
||
|
|
(p1 (search-backward " "))
|
||
|
|
(p2 (search-forward "/"))
|
||
|
|
(p3 (search-forward-regexp "[^/$]+")))
|
||
|
|
(put-text-property p1 p4 'font-lock-face 'cider-stacktrace-ns-face)
|
||
|
|
(put-text-property p2 p3 'font-lock-face 'cider-stacktrace-fn-face)
|
||
|
|
(put-text-property (line-beginning-position) (line-end-position)
|
||
|
|
'cider-stacktrace-frame t)))
|
||
|
|
(insert "\n")))))
|
||
|
|
|
||
|
|
(defun cider-stacktrace-render-compile-error (buffer cause)
|
||
|
|
"Emit into BUFFER the compile error CAUSE, and enable jumping to it."
|
||
|
|
(with-current-buffer buffer
|
||
|
|
(nrepl-dbind-response cause (file path line column)
|
||
|
|
(let ((indent " ")
|
||
|
|
(message-face 'cider-stacktrace-error-message-face))
|
||
|
|
(insert indent)
|
||
|
|
(insert (propertize "Error compiling " 'font-lock-face message-face))
|
||
|
|
(insert-text-button path 'compile-error t
|
||
|
|
'file file 'line line 'column column 'follow-link t
|
||
|
|
'action (lambda (_button)
|
||
|
|
(cider-jump-to (cider-find-file file)
|
||
|
|
(cons line column))))
|
||
|
|
(insert (propertize (format " at (%d:%d)" line column)
|
||
|
|
'font-lock-face message-face))))))
|
||
|
|
|
||
|
|
(defun cider-stacktrace--toggle-visibility (id)
|
||
|
|
"Toggle visibility of the region with ID invisibility prop.
|
||
|
|
ID can also be a button, in which case button's property :id is used
|
||
|
|
instead. This function can be used directly in button actions."
|
||
|
|
(let ((id (if (or (numberp id) (symbolp id))
|
||
|
|
;; There is no proper way to identify buttons. Assuming that
|
||
|
|
;; id's can be either numbers or symbols.
|
||
|
|
id
|
||
|
|
(button-get id :id))))
|
||
|
|
(if (and (consp buffer-invisibility-spec)
|
||
|
|
(assoc id buffer-invisibility-spec))
|
||
|
|
(remove-from-invisibility-spec (cons id t))
|
||
|
|
(add-to-invisibility-spec (cons id t)))))
|
||
|
|
|
||
|
|
(defun cider-stacktrace--insert-named-group (indent name &rest vals)
|
||
|
|
"Insert named group with the ability to toggle visibility.
|
||
|
|
NAME is a string naming the group. VALS are strings to be inserted after
|
||
|
|
the NAME. The whole group is prefixed by string INDENT."
|
||
|
|
(let* ((str (and vals (replace-regexp-in-string "\n+\\'" "" (apply #'concat vals))))
|
||
|
|
(id (and str
|
||
|
|
(string-match "\n" str)
|
||
|
|
(cl-gensym name))))
|
||
|
|
(insert indent)
|
||
|
|
(if id
|
||
|
|
(let* ((beg-link (string-match "[^ :]" name))
|
||
|
|
(end-link (string-match "[ :]" name (1+ beg-link))))
|
||
|
|
(insert (substring name 0 beg-link))
|
||
|
|
(insert-text-button (substring name beg-link end-link)
|
||
|
|
:id id
|
||
|
|
'face '((:weight bold) (:underline t))
|
||
|
|
'follow-link t
|
||
|
|
'help-echo "Toggle visibility"
|
||
|
|
'action #'cider-stacktrace--toggle-visibility)
|
||
|
|
(insert (substring name end-link)))
|
||
|
|
(insert (propertize name 'face '((:weight bold)))))
|
||
|
|
(let ((pos (point)))
|
||
|
|
(when str
|
||
|
|
(cider-stacktrace-emit-indented (concat str "\n") nil nil t)
|
||
|
|
(when id
|
||
|
|
(remove-from-invisibility-spec (cons id t))
|
||
|
|
(let ((hide-beg (save-excursion (goto-char pos) (point-at-eol)))
|
||
|
|
(hide-end (1- (point-at-bol))))
|
||
|
|
(overlay-put (make-overlay hide-beg hide-end) 'invisible id)))))))
|
||
|
|
|
||
|
|
(defun cider-stacktrace--emit-spec-problems (spec-data indent)
|
||
|
|
"Emit SPEC-DATA indented with INDENT."
|
||
|
|
(nrepl-dbind-response spec-data (spec value problems)
|
||
|
|
(insert "\n")
|
||
|
|
(cider-stacktrace--insert-named-group indent " Spec: " spec)
|
||
|
|
(cider-stacktrace--insert-named-group indent " Value: " value)
|
||
|
|
(insert "\n")
|
||
|
|
(cider-stacktrace--insert-named-group indent "Problems: \n")
|
||
|
|
(let ((indent2 (concat indent " ")))
|
||
|
|
(dolist (prob problems)
|
||
|
|
(nrepl-dbind-response prob (in val predicate reason spec at extra)
|
||
|
|
(insert "\n")
|
||
|
|
(when (not (string= val value))
|
||
|
|
(cider-stacktrace--insert-named-group indent2 " val: " val))
|
||
|
|
(when in
|
||
|
|
(cider-stacktrace--insert-named-group indent2 " in: " in))
|
||
|
|
(cider-stacktrace--insert-named-group indent2 "failed: " predicate)
|
||
|
|
(when spec
|
||
|
|
(cider-stacktrace--insert-named-group indent2 " spec: " spec))
|
||
|
|
(when at
|
||
|
|
(cider-stacktrace--insert-named-group indent2 " at: " at))
|
||
|
|
(when reason
|
||
|
|
(cider-stacktrace--insert-named-group indent2 "reason: " reason))
|
||
|
|
(when extra
|
||
|
|
(cider-stacktrace--insert-named-group indent2 "extras: \n")
|
||
|
|
(cider-stacktrace-emit-indented extra (concat indent2 " ") nil t)))))))
|
||
|
|
|
||
|
|
(defun cider-stacktrace-render-cause (buffer cause num note)
|
||
|
|
"Emit into BUFFER the CAUSE NUM, exception class, message, data, and NOTE."
|
||
|
|
(with-current-buffer buffer
|
||
|
|
(nrepl-dbind-response cause (class message data spec stacktrace)
|
||
|
|
(let ((indent " ")
|
||
|
|
(class-face 'cider-stacktrace-error-class-face)
|
||
|
|
(message-face 'cider-stacktrace-error-message-face))
|
||
|
|
(cider-propertize-region `(cause ,num)
|
||
|
|
;; Detail level 0: exception class
|
||
|
|
(cider-propertize-region '(detail 0)
|
||
|
|
(insert (format "%d. " num)
|
||
|
|
(propertize note 'font-lock-face 'font-lock-comment-face) " "
|
||
|
|
(propertize class 'font-lock-face class-face)
|
||
|
|
"\n"))
|
||
|
|
;; Detail level 1: message + ex-data
|
||
|
|
(cider-propertize-region '(detail 1)
|
||
|
|
(if (equal class "clojure.lang.Compiler$CompilerException")
|
||
|
|
(cider-stacktrace-render-compile-error buffer cause)
|
||
|
|
(cider-stacktrace-emit-indented
|
||
|
|
(propertize (or message "(No message)")
|
||
|
|
'font-lock-face message-face)
|
||
|
|
indent t))
|
||
|
|
(insert "\n")
|
||
|
|
(when spec
|
||
|
|
(cider-stacktrace--emit-spec-problems spec (concat indent " ")))
|
||
|
|
(when data
|
||
|
|
(cider-stacktrace-emit-indented data indent nil t)))
|
||
|
|
;; Detail level 2: stacktrace
|
||
|
|
(cider-propertize-region '(detail 2)
|
||
|
|
(insert "\n")
|
||
|
|
(let ((beg (point))
|
||
|
|
(bg `(:background ,cider-stacktrace-frames-background-color)))
|
||
|
|
(dolist (frame stacktrace)
|
||
|
|
(cider-stacktrace-render-frame buffer frame))
|
||
|
|
(overlay-put (make-overlay beg (point)) 'font-lock-face bg)))
|
||
|
|
;; Add line break between causes, even when collapsed.
|
||
|
|
(cider-propertize-region '(detail 0)
|
||
|
|
(insert "\n")))))))
|
||
|
|
|
||
|
|
(defun cider-stacktrace-initialize (causes)
|
||
|
|
"Set and apply CAUSES initial visibility, filters, and cursor position."
|
||
|
|
(nrepl-dbind-response (car causes) (class)
|
||
|
|
(let ((compile-error-p (equal class "clojure.lang.Compiler$CompilerException")))
|
||
|
|
;; Partially display outermost cause if it's a compiler exception (the
|
||
|
|
;; description reports reader location of the error).
|
||
|
|
(when compile-error-p
|
||
|
|
(cider-stacktrace-cycle-cause (length causes) 1))
|
||
|
|
;; Fully display innermost cause. This also applies visibility/filters.
|
||
|
|
(cider-stacktrace-cycle-cause 1 cider-stacktrace-detail-max)
|
||
|
|
;; Move point (DWIM) to the compile error location if present, or to the
|
||
|
|
;; first stacktrace frame in displayed cause otherwise. If the error
|
||
|
|
;; buffer is visible in a window, ensure that window is selected while moving
|
||
|
|
;; point, so as to move both the buffer's and the window's point.
|
||
|
|
(with-selected-window (or (get-buffer-window cider-error-buffer)
|
||
|
|
(selected-window))
|
||
|
|
(with-current-buffer cider-error-buffer
|
||
|
|
(goto-char (point-min))
|
||
|
|
(if compile-error-p
|
||
|
|
(goto-char (next-single-property-change (point) 'compile-error))
|
||
|
|
(progn
|
||
|
|
(while (cider-stacktrace-next-cause))
|
||
|
|
(goto-char (next-single-property-change (point) 'flags)))))))))
|
||
|
|
|
||
|
|
(defun cider-stacktrace-render (buffer causes &optional error-types)
|
||
|
|
"Emit into BUFFER useful stacktrace information for the CAUSES.
|
||
|
|
Takes an optional ERROR-TYPES list which will render a 'suppression' toggle
|
||
|
|
that alters the pop-over/pop-under behavorior of the stacktrace buffers
|
||
|
|
created by these types of errors. The suppressed errors set can be customized
|
||
|
|
through the `cider-stacktrace-suppressed-errors' variable."
|
||
|
|
(with-current-buffer buffer
|
||
|
|
(let ((inhibit-read-only t))
|
||
|
|
(erase-buffer)
|
||
|
|
(insert "\n")
|
||
|
|
;; Stacktrace filters
|
||
|
|
(cider-stacktrace-render-filters
|
||
|
|
buffer
|
||
|
|
`(("Project-Only" project) ("All" all))
|
||
|
|
`(("Clojure" clj) ("Java" java) ("REPL" repl)
|
||
|
|
("Tooling" tooling) ("Duplicates" dup)))
|
||
|
|
(insert "\n")
|
||
|
|
;; Option to suppress internal/middleware errors
|
||
|
|
(when error-types
|
||
|
|
(cider-stacktrace-render-suppression-toggle buffer error-types)
|
||
|
|
(insert "\n\n"))
|
||
|
|
;; Stacktrace exceptions & frames
|
||
|
|
(let ((num (length causes)))
|
||
|
|
(dolist (cause causes)
|
||
|
|
(let ((note (if (= num (length causes)) "Unhandled" "Caused by")))
|
||
|
|
(cider-stacktrace-render-cause buffer cause num note)
|
||
|
|
(setq num (1- num))))))
|
||
|
|
(cider-stacktrace-initialize causes)
|
||
|
|
(font-lock-refresh-defaults)))
|
||
|
|
|
||
|
|
(provide 'cider-stacktrace)
|
||
|
|
|
||
|
|
;;; cider-stacktrace.el ends here
|