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206 lines
7.1 KiB
206 lines
7.1 KiB
;; Copyright (C) 2015-2016, 2019 Free Software Foundation, Inc
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;; Author: Rocky Bernstein <rocky@gnu.org>
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;; This program is free software: you can redistribute it and/or
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;; modify it under the terms of the GNU General Public License as
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;; published by the Free Software Foundation, either version 3 of the
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;; License, or (at your option) any later version.
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;; This program is distributed in the hope that it will be useful, but
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;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;; 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
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;; <http://www.gnu.org/licenses/>.
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;; Regular expressions for Go SSA debugger: gub
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(eval-when-compile (require 'cl-lib)) ;For setf.
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(require 'load-relative)
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(require-relative-list '("../../common/regexp"
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"../../common/loc"
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"../../common/init")
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"realgud-")
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(defvar realgud-pat-hash)
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(declare-function make-realgud-loc-pat 'realgud-regexp)
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(defvar realgud:gub-pat-hash (make-hash-table :test 'equal)
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"Hash key is the what kind of pattern we want to match:
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backtrace, prompt, etc. The values of a hash entry is a
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realgud-loc-pat struct")
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;; Regular expression that describes a gub location generally shown
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;; before a command prompt.
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;; For example:
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;; interp/testdata/square.go:16:2-17
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(setf (gethash "loc" realgud:gub-pat-hash)
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(make-realgud-loc-pat
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:regexp
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"\\(?:^\\|\n\\)\\(\\(?:[a-zA-Z]:\\)?[a-zA-Z0-9_/.\\\\][-a-zA-Z0-9_/.\\\\ ]*\\.go\\):\\([0-9]+\\)"
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:file-group 1
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:line-group 2))
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;; Regular expression that describes a Go backtrace line.
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;; For example:
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;; ssa-interp/interp/interp.go:202 (0x506c84)
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;; visitInstr: *fr.get(instr.Addr).(*Value) = copyVal(fr.get(instr.Val))
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;; sa-interp/interp/interp.go:604 (0x50b5b1)
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;; runFrame: switch visitInstr(fr, instr) {
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(setf (gethash "lang-backtrace" realgud:gub-pat-hash)
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(make-realgud-loc-pat
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:regexp
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"\\(?:^\\|\n\\)\\(\\(?:[a-zA-Z]:\\)?[a-zA-Z0-9_/.\\\\][-a-zA-Z0-9_/.\\\\]*\\.go\\):\\([0-9]+\\)"
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:file-group 1
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:line-group 2))
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;; Regular expression that describes a gub location generally shown
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;; before a command prompt.
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;; For example:
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;; gub[1]:
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;; gub[1@3]:
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(setf (gethash "prompt" realgud:gub-pat-hash)
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(make-realgud-loc-pat
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:regexp (format "^gub\\[%s\\(?:@%s\\)?\\]: "
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realgud:regexp-captured-num
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realgud:regexp-captured-num)
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:num 1
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))
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;; Regular expression that describes a "breakpoint set" line
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(setf (gethash "brkpt-set" realgud:gub-pat-hash)
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(make-realgud-loc-pat
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:regexp (format
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"^Breakpoint %s set\\(?:in function \\) in file \\([a-zA-Z0-9_/.\\\\][-a-zA-Z0-9_/.\\\\ ]*\\.go\\) line %s, column %s"
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realgud:regexp-captured-num realgud:regexp-captured-num
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realgud:regexp-captured-num)
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:num 1
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:file-group 2
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:line-group 3
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:char-offset-group 4))
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;; Regular expression that describes a debugger "delete" (breakpoint) response.
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;; For example:
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;; Deleted breakpoint 1.
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(setf (gethash "brkpt-del" realgud:gub-pat-hash)
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(make-realgud-loc-pat
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:regexp (format
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"^Deleted breakpoint %s\n"
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realgud:regexp-captured-num)
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:num 1))
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;; Regular expression describes general location. In contrast to loc
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;; which triggers automatically, we bind this to a key like C-c !s
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;; For example:
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;; interp/testdata/square.go:16:2-17
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; ^^^^^^ spaces
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(setf (gethash "general-location" realgud:gub-pat-hash)
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(make-realgud-loc-pat
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:regexp
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(format
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"\\(?:^\\|\n\\)[ \t]*\\(\\(?:[a-zA-Z]:\\)?[a-zA-Z0-9_/.\\\\][-a-zA-Z0-9_/.\\\\ ]*\\.go\\):%s" realgud:regexp-captured-num)
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:file-group 1
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:line-group 2))
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(defconst realgud:gub-selected-frame-arrow "=>"
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"String that describes which frame is selected in a debugger
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backtrace listing.")
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(defconst realgud:gub-frame-arrow (format "\\(%s\\| \\)"
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realgud:gub-selected-frame-arrow))
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(defconst realgud:gub-frame-num-regexp
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(format " #%s " realgud:regexp-captured-num))
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(defconst realgud:gub-frame-file-regexp
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(format " at \\(.*\\):%s" realgud:regexp-captured-num))
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;; Regular expression that describes a debugger "backtrace" command line.
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;; For example:
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;; => #0 square(n)
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;; #1 main()
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(setf (gethash "debugger-backtrace" realgud:gub-pat-hash)
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(make-realgud-loc-pat
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:regexp (concat "^"
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realgud:gub-frame-arrow
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realgud:gub-frame-num-regexp
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"\\(.*\\)"
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realgud:gub-frame-file-regexp
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)
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:num 2
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:file-group 4
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:line-group 5)
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)
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(setf (gethash "selected-frame-indicator" realgud:gub-pat-hash)
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realgud:gub-selected-frame-arrow)
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;; Regular expression that describes a Go backtrace line
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;; For example:
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;; /usr/local/go/src/pkg/runtime/panic.c:482 (0x805c956)
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;; ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-^^^-----------
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(setf (gethash "lang-backtrace" realgud:gub-pat-hash)
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(make-realgud-loc-pat
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:regexp "^\\(/.+\\):\\([0-9]+\\) \\((0x[0-9a-f]+)\\)?$"
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:file-group 1
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:line-group 2))
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;; Regular expression that describes a Go runtime panic
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;; For example:
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;; /tmp/github.com/rocky/ssa-interp/eval/selectorexpr.go:18 +0x9f
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;;^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-^^------
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(setf (gethash "panic-backtrace" realgud:gub-pat-hash)
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(make-realgud-loc-pat
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:regexp (format "^[ \t]*\\(/.+\\):%s \\(+0x[0-9a-f]+\\)?$"
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realgud:regexp-captured-num)
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:file-group 1
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:line-group 2))
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;; Regular expression for a termination message.
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(setf (gethash "termination" realgud:gub-pat-hash)
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"^gub: That's all, folks...\n")
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(setf (gethash "font-lock-keywords" realgud:gub-pat-hash)
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'(
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;; File name and line number
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;; E.g. =>#0 Makefile.in at /tmp/Makefile:216
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;; ---^^^^^^^^^^^^^-^^^
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(" at \\(.*\\):\\([0-9]+\\)"
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(1 realgud-file-name-face)
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(2 realgud-line-number-face))
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;; The frame number and first type name, if present.
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;; E.g. =>#0 Makefile.in at /tmp/Makefile:216
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;; ---^
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("#\\([0-9]+\\) "
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(1 realgud-backtrace-number-face))
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))
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(setf (gethash "gub" realgud-pat-hash) realgud:gub-pat-hash)
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;; Prefix used in variable names (e.g. short-key-mode-map) for
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;; this debugger
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(setf (gethash "tortoise" realgud:variable-basename-hash) "realgud:gub")
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(defvar realgud:gub-command-hash (make-hash-table :test 'equal)
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"Hash key is command name like 'quit' and the value is
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the gub command to use, like 'q'")
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(setf (gethash "backtrace" realgud:gub-command-hash) "backtrace")
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(setf (gethash "break" realgud:gub-command-hash) "break %l")
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(setf (gethash "continue" realgud:gub-command-hash) "continue")
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;;(setf (gethash "eval" realgud:gub-command-hash) "x %s")
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(setf (gethash "quit" realgud:gub-command-hash) "quit")
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(setf (gethash "restart" realgud:gub-command-hash) "R")
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(setf (gethash "run" realgud:gub-command-hash) "R")
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(setf (gethash "step" realgud:gub-command-hash) "step")
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(setf (gethash "next" realgud:gub-command-hash) "next")
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(setf (gethash "until" realgud:gub-command-hash) "until %l")
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(setf (gethash "gub" realgud-command-hash) realgud:gub-command-hash)
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(provide-me "realgud:gub-")
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