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;; Copyright (C) 2010, 2014-2016, 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/>.
;; Ruby Trepanning debugger
(eval-when-compile (require 'cl-lib)) ;For setf.
(require 'load-relative)
(require-relative-list '("../../common/regexp"
"../../common/loc"
"../../common/init")
"realgud-")
(require-relative-list '("../../lang/ruby") "realgud-lang-")
(defvar realgud-pat-hash)
(declare-function make-realgud-loc-pat 'realgud-regexp)
(defvar realgud:trepan-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")
(setf (gethash "loc-callback-fn" realgud:trepan-pat-hash) 'realgud:trepan-loc-fn-callback)
;; Regular expression that describes a trepan location generally shown
;; before a command prompt.
;; For example:
;; -- (/tmp/linecache.rb:64)
;; C> (/tmp/eval.rb:2)
(setf (gethash "loc" realgud:trepan-pat-hash)
(make-realgud-loc-pat
:regexp ".. (\\(?:.+ \\(?:via\\|remapped\\) \\)?\\(.+\\):\\([0-9]+\\)\\(?: @[0-9]+\\)?)\\(?:\n\\(.*?\\)\n\\)?"
:file-group 1
:line-group 2
:text-group 3
))
;; An initial list of regexps that don't generally have files
;; associated with them and therefore we should not try to find file
;; associations for them. This list is used to seed a field of the
;; same name in the cmd-info structure inside a command buffer. A user
;; may add additional files to the command-buffer's re-ignore-list.
(setf (gethash "ignore-re-file-list" realgud:trepan-pat-hash)
'("(eval: .*)"))
;; Regular expression that describes a trepan command prompt
;; For example:
;; (trepan):
;; ((trepan)):
;; (trepan@main):
;; (trepan@55):
(setf (gethash "prompt" realgud:trepan-pat-hash)
(make-realgud-loc-pat
:regexp "^(+trepan\\(@[0-9]+\\|@main\\)?)+: "
))
;; Regular expression that describes a Ruby YARV 1.9 syntax error line.
(setf (gethash "syntax-error" realgud:trepan-pat-hash)
realgud-ruby-YARV-syntax-error-pat)
;; Regular expression that describes a Ruby YARV backtrace line.
;; For example:
;; from /ruby/gems/2.2.0/gems/fog-1.32.0/lib/fog/digitalocean.rb:1:in `<top (required)>'
;; from /Users/fog-1.32.0/lib/fog.rb:28:in `require'
(setf (gethash "lang-backtrace" realgud:trepan-pat-hash)
realgud-ruby-backtrace-loc-pat)
;; realgud-loc-pat that describes a ruby $! backtrace
(setf (gethash "dollar-bang-backtrace" realgud:trepan-pat-hash)
realgud-ruby-dollar-bang-loc-pat)
;; realgud-loc-pat that describes a "breakpoint set" line.
;; For example:
;; Breakpoint 1 set at VM offset 2 of instruction sequence "require",
;; line 29 in file <internal:lib/rubygems/custom_require>.
;; Breakpoint 2 set at VM offset 29 of instruction sequence "<top /xx.rb>",
;; line 64 in file /src/external-vcs/linecache/trunk/lib/linecache.rb.
(setf (gethash "brkpt-set" realgud:trepan-pat-hash)
(make-realgud-loc-pat
:regexp "^Breakpoint \\([0-9]+\\) set at .*[\n\t ]+line \\([0-9]+\\)[ \t\n]+in file \\(.+\\)."
:num 1
:file-group 3
:line-group 2))
;; realgud-loc-pat that describes a debugger "delete" (breakpoint) response.
;; For example:
;; Deleted breakpoint 1.
(setf (gethash "brkpt-del" realgud:trepan-pat-hash)
(make-realgud-loc-pat
:regexp "^Deleted breakpoint \\([0-9]+\\).\n"
:num 1))
(defconst realgud:trepan-selected-frame-indicator "-->"
"String that describes which frame is selected in a debugger
backtrace listing.")
(defconst realgud:trepan-frame-file-regexp
"[ \t\n]+in file \\([^ \n]+\\)")
(defconst realgud:trepan-debugger-name "trepan" "Name of debugger")
;; Top frame number
(setf (gethash "top-frame-num" realgud:trepan-pat-hash) 0)
;; realgud-loc-pat that describes a debugger "selected" frame in in
;; a frame-motion command.
;; For example:
;; --> #1 TOP Object#<top /usr/local/bin/irb> in file /usr/local/bin/irb at line 9
(setf (gethash "selected-frame" realgud:trepan-pat-hash)
(make-realgud-loc-pat
:regexp
(format "^%s #\\([0-9]+\\) .*%s"
realgud:trepan-selected-frame-indicator
realgud:trepan-frame-file-regexp)
:num 1))
(setf (gethash "control-frame" realgud:trepan-pat-hash)
(make-realgud-loc-pat
:regexp "^c:\\([0-9]+\\) p:\\([0-9]+\\) s:\\([0-9]+\\) b:\\([0-9]+\\) l:\\([0-9a-f]+\\) d:\\([0-9a-f]+\\) \\([A-Z]+\\) \\(.+\\):\\([0-9]+\\)"
:file-group 8
:line-group 9))
;; realgud-loc-pat that describes a Ruby $! string
(setf (gethash "dollar-bang" realgud:trepan-pat-hash)
realgud-ruby-dollar-bang-loc-pat)
;; realgud-loc-pat that describes debugger "backtrace" command line.
;; e.g.
;; --> #0 METHOD Object#require(path) in file <internal:lib/require> at line 28
;; #1 TOP Object#<top /tmp/linecache.rb> in file /tmp/linecache.rb
(setf (gethash "debugger-backtrace" realgud:trepan-pat-hash)
(make-realgud-loc-pat
:regexp (concat realgud:trepan-frame-start-regexp " "
realgud:trepan-frame-num-regexp " "
"\\([A-Z]+\\) *\\([A-Z_][a-zA-Z0-9_]*\\)[#]\\(.*\\)"
realgud:trepan-frame-file-regexp
"\\(?:" realgud:trepan-frame-line-regexp "\\)?"
)
:num 2
:file-group 6
:line-group 7)
)
;; realgud-loc-pat that for a termination message.
(setf (gethash "termination" realgud:trepan-pat-hash)
"^trepan: That's all, folks...\n")
(setf (gethash "font-lock-keywords" realgud:trepan-pat-hash)
'(
;; The frame number and first type name, if present.
("^\\(-->\\| \\)? #\\([0-9]+\\) \\([A-Z]+\\) *\\([A-Z_][a-zA-Z0-9_]*\\)[#]\\([a-zA-Z_][a-zA-Z_[0-9]]*\\)?"
(2 realgud-backtrace-number-face)
(3 font-lock-keyword-face) ; e.g. METHOD, TOP
(4 font-lock-constant-face) ; e.g. Object
(5 font-lock-function-name-face nil t)) ; t means optional
;; Instruction sequence
("<\\(.+\\)>"
(1 font-lock-variable-name-face))
;; "::Type", which occurs in class name of function and in parameter list.
;; Parameter sequence
("(\\(.+\\))"
(1 font-lock-variable-name-face))
;; "::Type", which occurs in class name of function and in parameter list.
("::\\([a-zA-Z_][a-zA-Z0-9_]*\\)"
(1 font-lock-type-face))
;; File name.
("[ \t]+in file \\([^ ]+*\\)"
(1 realgud-file-name-face))
;; Line number.
("[ \t]+at line \\([0-9]+\\)$"
(1 realgud-line-number-face))
;; Function name.
("\\<\\([a-zA-Z_][a-zA-Z0-9_]*\\)\\.\\([a-zA-Z_][a-zA-Z0-9_]*\\)"
(1 font-lock-type-face)
(2 font-lock-function-name-face))
;; (trepan-frames-match-current-line
;; (0 trepan-frames-current-frame-face append))
))
;; (setf (gethash "font-lock-keywords" realgud:trepan-pat-hash)
;; '(
;; ;; The frame number and first type name, if present.
;; ((concat realgud:trepan-frame-start-regexp " "
;; realgud:trepan-frame-num-regexp " "
;; "\\([A-Z]+\\) *\\([A-Z_][a-zA-Z0-9_]*\\)[#]\\([a-zA-Z_][a-zA-Z_[0-9]]*\\)?")
;; (2 realgud-backtrace-number-face)
;; (3 font-lock-keyword-face) ; e.g. METHOD, TOP
;; (4 font-lock-constant-face) ; e.g. Object
;; (5 font-lock-function-name-face nil t)) ; t means optional
;; ;; Instruction sequence
;; ("<\\(.+\\)>"
;; (1 font-lock-variable-name-face))
;; ;; "::Type", which occurs in class name of function and in
;; ;; parameter list. Parameter sequence
;; ("(\\(.+\\))"
;; (1 font-lock-variable-name-face))
;; ;; "::Type", which occurs in class name of function and in
;; ;; parameter list.
;; ("::\\([a-zA-Z_][a-zA-Z0-9_]*\\)"
;; (1 font-lock-type-face))
;; ;; File name.
;; (realgud:trepan-frame-file-regexp (1 realgud-file-name-face))
;; ;; Line number.
;; (realgud:trepan-frame-line-regexp (1 realgud-line-number-face))
;; ;; Function name.
;; ("\\<\\([a-zA-Z_][a-zA-Z0-9_]*\\)\\.\\([a-zA-Z_][a-zA-Z0-9_]*\\)"
;; (1 font-lock-type-face)
;; (2 font-lock-function-name-face))
;; ;; (trepan-frames-match-current-line
;; ;; (0 trepan-frames-current-frame-face append))
;; ))
(setf (gethash realgud:trepan-debugger-name realgud-pat-hash) realgud:trepan-pat-hash)
(defvar realgud:trepan-command-hash (make-hash-table :test 'equal)
"Hash key is command name like 'quit' and the value is
the trepan command to use, like 'quit!'")
(setf (gethash "quit" realgud:trepan-command-hash) "quit!")
(setf (gethash "shell" realgud:trepan-command-hash) "irb")
(setf (gethash realgud:trepan-debugger-name
realgud-command-hash) realgud:trepan-command-hash)
(provide-me "realgud:trepan-")