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;; Copyright (C) 2019 Free Software Foundation, Inc
;; Author: Rocky Bernstein <rocky@gnu.org>
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <http://www.gnu.org/licenses/>.
;;; "node debug" debugger
;;; Note: this protocol is was in use up until node version 6 and
;;; became became deprecated with node version 8. The newer protocol
;;; is in realgud-node-inspect
;;;
;;; Regular expressions for nodejs Javascript debugger with "node debug" protocol.
(eval-when-compile (require 'cl-lib)) ;For setf.
(require 'realgud)
(require 'realgud-lang-js)
(require 'ansi-color)
(require 'load-relative)
(defvar realgud:node-debug-pat-hash)
(declare-function make-realgud-loc-pat (realgud-loc))
(defvar realgud:node-debug-pat-hash (make-hash-table :test 'equal)
"Hash key is the what kind of pattern we want to match:
backtrace, prompt, etc. The values of a hash entry is a
realgud-loc-pat struct")
;; before a command prompt.
;; For example:
;; break in /home/indutny/Code/git/indutny/myscript.js:1
(setf (gethash "loc" realgud:node-debug-pat-hash)
(make-realgud-loc-pat
:regexp (format
"\\(?:%s\\)*\\(?:break\\|exception\\) in %s:%s"
realgud:js-term-escape "\\([^:]+\\)"
realgud:regexp-captured-num)
:file-group 1
:line-group 2))
;; Regular expression that describes a node-debug command prompt
;; For example:
;; debug>
(setf (gethash "prompt" realgud:node-debug-pat-hash)
(make-realgud-loc-pat
:regexp (format "^\\(?:%s\\)*debug> " realgud:js-term-escape)
))
;; Need an improved setbreak for this.
;; ;; Regular expression that describes a "breakpoint set" line
;; ;; 3 const armlet = require('armlet');
;; ;; * 4 const client = new armlet.Client(
;; ;; ^^^^
;; ;;
;; (setf (gethash "brkpt-set" realgud:node-debug-pat-hash)
;; (make-realgud-loc-pat
;; :regexp "^\*[ ]*\\([0-9]+\\) \\(.+\\)"
;; :line-group 1
;; :text-group 2))
;; Regular expression that describes a V8 backtrace line.
;; For example:
;; at repl:1:7
;; at Interface.controlEval (/src/external-vcs/github/trepanjs/lib/interface.js:352:18)
;; at REPLServer.b [as eval] (domain.js:183:18)
(setf (gethash "lang-backtrace" realgud:node-debug-pat-hash)
realgud:js-backtrace-loc-pat)
;; Regular expression that describes a debugger "delete" (breakpoint)
;; response.
;; For example:
;; Removed 1 breakpoint(s).
(setf (gethash "brkpt-del" realgud:node-debug-pat-hash)
(make-realgud-loc-pat
:regexp (format "^Removed %s breakpoint(s).\n"
realgud:regexp-captured-num)
:num 1))
(defconst realgud:node-debug-frame-start-regexp "\\(?:^\\|\n\\)\\(?:#\\)")
(defconst realgud:node-debug-frame-num-regexp realgud:regexp-captured-num)
(defconst realgud:node-debug-frame-module-regexp "[^ \t\n]+")
(defconst realgud:node-debug-frame-file-regexp "[^ \t\n]+")
;; Regular expression that describes a node-debug location generally shown
;; Regular expression that describes a debugger "backtrace" command line.
;; For example:
;; #0 module.js:380:17
;; #1 dbgtest.js:3:9
;; #2 Module._compile module.js:456:26
;; #3 Module._extensions..js module.js:474:10
;; #4 Module.load module.js:356:32
;; #5 Module._load module.js:312:12
;; #6 Module.runMain module.js:497:10
; ;#7 timers.js:110:15
(setf (gethash "debugger-backtrace" realgud:node-debug-pat-hash)
(make-realgud-loc-pat
:regexp (concat realgud:node-debug-frame-start-regexp
realgud:node-debug-frame-num-regexp " "
"\\(?:" realgud:node-debug-frame-module-regexp " \\)?"
"\\(" realgud:node-debug-frame-file-regexp "\\)"
":"
realgud:regexp-captured-num
":"
realgud:regexp-captured-num
)
:num 1
:file-group 2
:line-group 3
:char-offset-group 4))
(defconst realgud:node-debug-debugger-name "node-debug" "Name of debugger.")
;; ;; Regular expression that for a termination message.
;; (setf (gethash "termination" realgud:node-debug-pat-hash)
;; "^node-debug: That's all, folks...\n")
(setf (gethash "font-lock-keywords" realgud:node-debug-pat-hash)
'(
;; #0 module.js:380:17
;; ^ ^^^^^^^^^ ^^^ ^^
(concat realgud:node-debug-frame-start-regexp
realgud:node-debug-frame-num-regexp " "
"\\(?:" realgud:node-debug-frame-module-regexp " \\)?"
"\\(" realgud:node-debug-frame-file-regexp "\\)"
":"
realgud:regexp-captured-num
)
(1 realgud-file-name-face)
(2 realgud-line-number-face)
)
)
(setf (gethash "node-debug" realgud-pat-hash)
realgud:node-debug-pat-hash)
;; Prefix used in variable names (e.g. short-key-mode-map) for
;; this debugger
(setf (gethash "node-debug" realgud:variable-basename-hash)
"realgud:node-debug")
(defvar realgud:node-debug-command-hash (make-hash-table :test 'equal)
"Hash key is command name like 'finish' and the value is the node-debug command to use, like 'out'.")
(setf (gethash realgud:node-debug-debugger-name
realgud-command-hash)
realgud:node-debug-command-hash)
(setf (gethash "backtrace" realgud:node-debug-command-hash) "backtrace")
(setf (gethash "break" realgud:node-debug-command-hash)
"setBreakpoint('%X',%l)")
(setf (gethash "clear" realgud:node-debug-command-hash)
"clearBreakpoint('%X', %l)")
(setf (gethash "continue" realgud:node-debug-command-hash) "cont")
(setf (gethash "kill" realgud:node-debug-command-hash) "kill")
(setf (gethash "quit" realgud:node-debug-command-hash) ".exit")
(setf (gethash "finish" realgud:node-debug-command-hash) "out")
(setf (gethash "shell" realgud:node-debug-command-hash) "repl")
(setf (gethash "eval" realgud:node-debug-command-hash) "exec('%s')")
(setf (gethash "info-breakpoints" realgud:node-debug-command-hash) "breakpoints")
;; We need aliases for step and next because the default would
;; do step 1 and node-debug doesn't handle this. And if it did,
;; it would probably look like step(1).
(setf (gethash "step" realgud:node-debug-command-hash) "step")
(setf (gethash "next" realgud:node-debug-command-hash) "next")
;; Unsupported features:
(setf (gethash "jump" realgud:node-debug-command-hash) "*not-implemented*")
(setf (gethash "up" realgud:node-debug-command-hash) "*not-implemented*")
(setf (gethash "down" realgud:node-debug-command-hash) "*not-implemented*")
(setf (gethash "frame" realgud:node-debug-command-hash) "*not-implemented*")
(setf (gethash "node-debug" realgud-command-hash) realgud:node-debug-command-hash)
(setf (gethash "node-debug" realgud-pat-hash) realgud:node-debug-pat-hash)
(provide-me "realgud:node-debug-")
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