Squashed 'third_party/lisp/trivial-backtrace/' content from commit 43ef7d9

git-subtree-dir: third_party/lisp/trivial-backtrace
git-subtree-split: 43ef7d947f4b4de767d0f91f28b50d9c03ad29d6
This commit is contained in:
Vincent Ambo 2020-01-17 17:53:27 +00:00
commit cc026178a9
19 changed files with 809 additions and 0 deletions

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# really this is private to my build process
make/
common-lisp.net
.vcs
GNUmakefile
init-lisp.lisp
website/changelog.xml
trivial-backtrace.tar.gz
website/output/
test-results/
lift-local.config
*.dribble
*.fasl

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Copyright (c) 2008-2008 Gary Warren King (gwking@metabang.com)
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
Copyright (c) 2005-2007 Dr. Edi Weitz
BSD style license: http://www.opensource.org/licenses/bsd-license.php

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(in-package #:trivial-backtrace)
(defun print-condition (condition stream)
"Print `condition` to `stream` using the pretty printer."
(format
stream
"~@<An unhandled error condition has been signalled:~3I ~a~I~:@>~%~%"
condition))
(defun print-backtrace (error &key (output *debug-io*)
(if-exists :append)
(verbose nil))
"Send a backtrace for the error `error` to `output`.
The keywords arguments are:
* :output - where to send the output. This can be:
* a string (which is assumed to designate a pathname)
* an open stream
* nil to indicate that the backtrace information should be
returned as a string
* if-exists - what to do if output designates a pathname and
the pathname already exists. Defaults to :append.
* verbose - if true, then a message about the backtrace is sent
to \\*terminal-io\\*. Defaults to `nil`.
If the `output` is nil, the returns the backtrace output as a
string. Otherwise, returns nil.
"
(when verbose
(print-condition error *terminal-io*))
(multiple-value-bind (stream close?)
(typecase output
(null (values (make-string-output-stream) nil))
(string (values (open output :if-exists if-exists
:if-does-not-exist :create
:direction :output) t))
(stream (values output nil)))
(unwind-protect
(progn
(format stream "~&Date/time: ~a" (date-time-string))
(print-condition error stream)
(terpri stream)
(print-backtrace-to-stream stream)
(terpri stream)
(when (typep stream 'string-stream)
(get-output-stream-string stream)))
;; cleanup
(when close?
(close stream)))))
#+(or mcl ccl)
(defun print-backtrace-to-stream (stream)
(let ((*debug-io* stream))
(ccl:print-call-history :detailed-p nil)))
#+allegro
(defun print-backtrace-to-stream (stream)
(with-standard-io-syntax
(let ((*print-readably* nil)
(*print-miser-width* 40)
(*print-pretty* t)
(tpl:*zoom-print-circle* t)
(tpl:*zoom-print-level* nil)
(tpl:*zoom-print-length* nil))
(cl:ignore-errors
(let ((*terminal-io* stream)
(*standard-output* stream))
(tpl:do-command "zoom"
:from-read-eval-print-loop nil
:count t
:all t))))))
#+lispworks
(defun print-backtrace-to-stream (stream)
(let ((dbg::*debugger-stack*
(dbg::grab-stack nil :how-many most-positive-fixnum))
(*debug-io* stream)
(dbg:*debug-print-level* nil)
(dbg:*debug-print-length* nil))
(dbg:bug-backtrace nil)))
#+sbcl
;; determine how we're going to access the backtrace in the next
;; function
(eval-when (:compile-toplevel :load-toplevel :execute)
(when (find-symbol "*DEBUG-PRINT-VARIABLE-ALIST*" :sb-debug)
(pushnew :sbcl-debug-print-variable-alist *features*)))
#+sbcl
(defun print-backtrace-to-stream (stream)
(let (#+:sbcl-debug-print-variable-alist
(sb-debug:*debug-print-variable-alist*
(list* '(*print-level* . nil)
'(*print-length* . nil)
sb-debug:*debug-print-variable-alist*))
#-:sbcl-debug-print-variable-alist
(sb-debug:*debug-print-level* nil)
#-:sbcl-debug-print-variable-alist
(sb-debug:*debug-print-length* nil))
(sb-debug:backtrace most-positive-fixnum stream)))
#+clisp
(defun print-backtrace-to-stream (stream)
(system::print-backtrace :out stream))
#+(or cmucl scl)
(defun print-backtrace-to-stream (stream)
(let ((debug:*debug-print-level* nil)
(debug:*debug-print-length* nil))
(debug:backtrace most-positive-fixnum stream)))
;; must be after the defun above or the docstring may be wiped out
(setf (documentation 'print-backtrace-to-stream 'function)
"Send a backtrace of the current error to stream.
Stream is assumed to be an open writable file stream or a
string-output-stream. Note that `print-backtrace-to-stream`
will print a backtrace for whatever the Lisp deems to be the
*current* error.
")

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(in-package #:trivial-backtrace)
(eval-when (:compile-toplevel :load-toplevel :execute)
(unless (fboundp 'map-backtrace)
(defun map-backtrace (func)
(declare (ignore func))))
(unless (fboundp 'print-backtrace-to-stream)
(defun print-backtrace-to-stream (stream)
(format stream "~&backtrace output unavailable.~%"))))

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(in-package #:trivial-backtrace)
(defstruct frame
func
source-filename
source-pos
vars)
(defstruct var
name
value)
(defstruct pos-form-number
number)
(defmethod print-object ((pos-form-number pos-form-number) stream)
(cond
(*print-readably* (call-next-method))
(t
(format stream "f~A" (pos-form-number-number pos-form-number)))))
(defvar *trivial-backtrace-frame-print-specials*
'((*print-length* . 100)
(*print-level* . 20)
(*print-lines* . 5)
(*print-pretty* . t)
(*print-readably* . nil)))
(defun print-frame (frame stream)
(format stream "~A:~@[~A:~] ~A: ~%"
(or (ignore-errors (translate-logical-pathname (frame-source-filename frame))) (frame-source-filename frame) "<unknown>")
(frame-source-pos frame)
(frame-func frame))
(loop for var in (frame-vars frame)
do
(format stream " ~A = ~A~%" (var-name var)
(or (ignore-errors
(progv
(mapcar #'car *trivial-backtrace-frame-print-specials*)
(mapcar #'cdr *trivial-backtrace-frame-print-specials*)
(prin1-to-string
(var-value var))))
"<error>"))))
(defun map-backtrace (function)
(impl-map-backtrace function))
(defun print-map-backtrace (&optional (stream *debug-io*) &rest args)
(apply 'map-backtrace
(lambda (frame)
(print-frame frame stream)) args))
(defun backtrace-string (&rest args)
(with-output-to-string (stream)
(apply 'print-map-backtrace stream args)))
#+ccl
(defun impl-map-backtrace (func)
(ccl::map-call-frames (lambda (ptr)
(multiple-value-bind (lfun pc)
(ccl::cfp-lfun ptr)
(let ((source-note (ccl:function-source-note lfun)))
(funcall func
(make-frame :func (ccl::lfun-name lfun)
:source-filename (ccl:source-note-filename source-note)
:source-pos (let ((form-number (ccl:source-note-start-pos source-note)))
(when form-number (make-pos-form-number :number form-number)))
:vars (loop for (name . value) in (ccl::arguments-and-locals nil ptr lfun pc)
collect (make-var :name name :value value)))))))))
#+sbcl
(defun impl-map-backtrace (func)
(loop for f = (or sb-debug:*stack-top-hint* (sb-di:top-frame)) then (sb-di:frame-down f)
while f
do (funcall func
(make-frame :func
(ignore-errors
(sb-di:debug-fun-name
(sb-di:frame-debug-fun f)))
:source-filename
(ignore-errors
(sb-di:debug-source-namestring (sb-di:code-location-debug-source (sb-di:frame-code-location f))))
:source-pos
(ignore-errors ;;; XXX does not work
(let ((cloc (sb-di:frame-code-location f)))
(unless (sb-di:code-location-unknown-p cloc)
(format nil "tlf~Dfn~D"
(sb-di:code-location-toplevel-form-offset cloc)
(sb-di:code-location-form-number cloc)))))
:vars
(remove-if 'not
(map 'list (lambda(v)
(ignore-errors
(when (eq :valid
(sb-di:debug-var-validity v (sb-di:frame-code-location f)))
(make-var :name (sb-di:debug-var-symbol v)
:value (sb-di:debug-var-value v f)))))
(ignore-errors (sb-di::debug-fun-debug-vars (sb-di:frame-debug-fun f)))))))))
#-(or ccl sbcl)
(defun impl-map-backtrace (func)
(declare (ignore func))
(warn "unable to map backtrace for ~a" (lisp-implementation-type)))

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(in-package #:metabang.gsn)
#|
Need to account for different kinds of links
in gsn-nodes-from-json, need to return pairs of node and attributes
hash-table for nodes to prevent duplicates
queue or stack for nodes to expand
hash-table for links (triples of A link B?) to handle duplicates
|#
(defgeneric expand-node (context node)
)
(defgeneric find-neighbors (context node)
)
(defgeneric expand-node-p (context node)
)
(defgeneric add-node (context node)
)
(defgeneric add-link (context node neighbor direction)
)
(defgeneric update-node-data (context node data)
)
(defclass abstract-context ()
())
(defclass gsn-context (abstract-context)
())
(defparameter +gsn-root+ "http://socialgraph.apis.google.com/")
(defmethod expand-node ((context abstract-context) node)
(bind (((to from) (find-neighbors context node)))
(dolist (neighbor to)
(add-node context neighbor)
(add-link context node neighbor :to))
(dolist (neighbor from)
(add-node context neighbor)
(add-link context node neighbor :from))))
(defmethod find-neighbors ((context gsn-context) node)
(bind (((result headers stream)
(http-get
(format nil "~alookup?edo=1&edi=1&pretty=1&q=~a"
+gsn-root+ node)))
json)
(unwind-protect
(setf json (json:decode-json stream))
(close strea))
(update-node-data context node json)
(list (gsn-nodes-from-json json :to)
(gsn-nodes-from-json json :from))))
(gsn-nodes-from-json x :from)
(defun gsn-test (who)
(destructuring-bind (result headers stream)
(http-get
(format nil "http://socialgraph.apis.google.com/lookup?edo=1&edi=1&pretty=1&q=~a" who))
(declare (ignore result headers))
(json:decode-json stream)))
(assoc :nodes_referenced
(assoc :nodes (gsn-test "TWITTER.COM/GWKING") :key #'first))
(setf x (gsn-test "TWITTER.COM/GWKING"))

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(in-package #:common-lisp-user)
(defpackage #:trivial-backtrace
(:use #:common-lisp)
(:export #:print-backtrace
#:print-backtrace-to-stream
#:print-condition
#:*date-time-format*
#:backtrace-string
#:map-backtrace))

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(in-package #:trivial-backtrace)
(defparameter *date-time-format* "%Y-%m-%d-%H:%M"
"The default format to use when printing dates and times.
* %% - A '%' character
* %d - Day of the month as a decimal number [01-31]
* %e - Same as %d but does not print the leading 0 for days 1 through 9
[unlike strftime[], does not print a leading space]
* %H - Hour based on a 24-hour clock as a decimal number [00-23]
*%I - Hour based on a 12-hour clock as a decimal number [01-12]
* %m - Month as a decimal number [01-12]
* %M - Minute as a decimal number [00-59]
* %S - Second as a decimal number [00-59]
* %w - Weekday as a decimal number [0-6], where Sunday is 0
* %y - Year without century [00-99]
* %Y - Year with century [such as 1990]
This code is borrowed from the `format-date` function in
[metatilities-base][].")
;; modified from metatilities-base
(eval-when (:compile-toplevel :load-toplevel :execute)
(defmacro generate-time-part-function (part-name position)
(let ((function-name
(intern
(concatenate 'string
(symbol-name 'time) "-" (symbol-name part-name))
:trivial-backtrace)))
`(eval-when (:compile-toplevel :load-toplevel :execute)
(defun ,function-name
(&optional (universal-time (get-universal-time))
(time-zone nil))
,(format nil "Returns the ~(~A~) part of the given time." part-name)
(nth-value ,position
(apply #'decode-universal-time
universal-time time-zone))))))
(generate-time-part-function second 0)
(generate-time-part-function minute 1)
(generate-time-part-function hour 2)
(generate-time-part-function date 3)
(generate-time-part-function month 4)
(generate-time-part-function year 5)
(generate-time-part-function day-of-week 6)
(generate-time-part-function daylight-savings-time-p 7))
(defun date-time-string (&key (date/time (get-universal-time))
(format *date-time-format*))
(format-date format date/time nil))
(defun format-date (format date &optional stream time-zone)
(declare (ignore time-zone))
(let ((format-length (length format)))
(format
stream "~{~A~}"
(loop for index = 0 then (1+ index)
while (< index format-length) collect
(let ((char (aref format index)))
(cond
((char= #\% char)
(setf char (aref format (incf index)))
(cond
;; %% - A '%' character
((char= char #\%) #\%)
;; %d - Day of the month as a decimal number [01-31]
((char= char #\d) (format nil "~2,'0D" (time-date date)))
;; %e - Same as %d but does not print the leading 0 for
;; days 1 through 9. Unlike strftime, does not print a
;; leading space
((char= char #\e) (format nil "~D" (time-date date)))
;; %H - Hour based on a 24-hour clock as a decimal number [00-23]
((char= char #\H) (format nil "~2,'0D" (time-hour date)))
;; %I - Hour based on a 12-hour clock as a decimal number [01-12]
((char= char #\I) (format nil "~2,'0D"
(1+ (mod (time-hour date) 12))))
;; %m - Month as a decimal number [01-12]
((char= char #\m) (format nil "~2,'0D" (time-month date)))
;; %M - Minute as a decimal number [00-59]
((char= char #\M) (format nil "~2,'0D" (time-minute date)))
;; %S - Second as a decimal number [00-59]
((char= char #\S) (format nil "~2,'0D" (time-second date)))
;; %w - Weekday as a decimal number [0-6], where Sunday is 0
((char= char #\w) (format nil "~D" (time-day-of-week date)))
;; %y - Year without century [00-99]
((char= char #\y)
(let ((year-string (format nil "~,2A" (time-year date))))
(subseq year-string (- (length year-string) 2))))
;; %Y - Year with century [such as 1990]
((char= char #\Y) (format nil "~D" (time-year date)))
(t
(error "Ouch - unknown formatter '%~c" char))))
(t char)))))))

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;;; configuration for LIFT tests
;; settings
(:if-dribble-exists :supersede)
(:dribble "lift.dribble")
(:print-length 10)
(:print-level 5)
(:print-test-case-names t)
;; suites to run
(trivial-backtrace-test)
;; report properties
(:report-property :title "Trivial-Backtrace | Test results")
(:report-property :relative-to trivial-backtrace-test)
(:report-property :style-sheet "test-style.css")
(:report-property :if-exists :supersede)
(:report-property :format :html)
(:report-property :full-pathname "test-results/test-report.html")
(:report-property :unique-name t)
(:build-report)
(:report-property :unique-name t)
(:report-property :format :describe)
(:report-property :full-pathname "test-results/test-report.txt")
(:build-report)
(:report-property :format :save)
(:report-property :full-pathname "test-results/test-report.sav")
(:build-report)
(:report-property :format :describe)
(:report-property :full-pathname *standard-output*)
(:build-report)

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(in-package #:common-lisp-user)
(defpackage #:trivial-backtrace-test
(:use #:common-lisp #:lift #:trivial-backtrace))

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(in-package #:trivial-backtrace-test)
(deftestsuite trivial-backtrace-test ()
())

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(in-package #:trivial-backtrace-test)
(deftestsuite generates-backtrace (trivial-backtrace-test)
())
(addtest (generates-backtrace)
test-1
(let ((output nil))
(handler-case
(let ((x 1))
(let ((y (- x (expt 1024 0))))
(declare (optimize (safety 3)))
(/ 2 y)))
(error (c)
(setf output (print-backtrace c :output nil))))
(ensure (stringp output))
(ensure (plusp (length output)))))

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(defpackage #:trivial-backtrace-test-system (:use #:asdf #:cl))
(in-package #:trivial-backtrace-test-system)
(defsystem trivial-backtrace-test
:author "Gary Warren King <gwking@metabang.com>"
:maintainer "Gary Warren King <gwking@metabang.com>"
:licence "MIT Style License; see file COPYING for details"
:components ((:module
"setup"
:pathname "test/"
:components ((:file "packages")
(:file "test-setup"
:depends-on ("packages"))))
(:module
"test"
:pathname "test/"
:depends-on ("setup")
:components ((:file "tests"))))
:depends-on (:lift :trivial-backtrace))

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(in-package #:common-lisp-user)
(defpackage #:trivial-backtrace-system (:use #:asdf #:cl))
(in-package #:trivial-backtrace-system)
(defsystem trivial-backtrace
:version "1.1.0"
:author "Gary Warren King <gwking@metabang.com> and contributors"
:maintainer "Gary Warren King <gwking@metabang.com> and contributors"
:licence "MIT Style license "
:description "trivial-backtrace"
:depends-on ()
:components
((:static-file "COPYING")
(:module
"setup"
:pathname "dev/"
:components ((:file "packages")))
(:module
"dev"
:depends-on ("setup")
:components ((:file "utilities")
(:file "backtrace")
(:file "map-backtrace")
(:file "fallback" :depends-on ("backtrace" "map-backtrace")))))
:in-order-to ((test-op (load-op trivial-backtrace-test)))
:perform (test-op :after (op c)
(funcall
(intern (symbol-name '#:run-tests) :lift)
:config :generic)))
(defmethod operation-done-p
((o test-op)
(c (eql (find-system 'trivial-backtrace))))
(values nil))

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{include resources/header.md}
<div class="contents">
<div class="system-links">
* [Mailing Lists][mailing-list]
* [Getting it][downloads]
* [Documentation][]
* [News][]
* [Test results][tr]
* [Changelog][]
</div>
<div class="system-description">
### What it is
On of the many things that didn't quite get into the Common
Lisp standard was how to get a Lisp to output its call stack
when something has gone wrong. As such, each Lisp has
developed its own notion of what to display, how to display
it, and what sort of arguments can be used to customize it.
`trivial-backtrace` is a simple solution to generating a
backtrace portably. As of {today}, it supports Allegro Common
Lisp, LispWorks, ECL, MCL, SCL, SBCL and CMUCL. Its
interface consists of three functions and one variable:
* print-backtrace
* print-backtrace-to-stream
* print-condition
* \*date-time-format\*
You can probably already guess what they do, but they are
described in more detail below.
{anchor mailing-lists}
### Mailing Lists
* [trivial-backtrace-devel][devel-list]: A list for
announcements, questions, patches, bug reports, and so
on; It's for anything and everything
### API
{set-property docs-package trivial-backtrace}
{docs print-backtrace}
{docs print-backtrace-to-stream}
{docs print-condition}
{docs *date-time-format*}
{anchor downloads}
### Where is it
A [git][] repository is available using
git clone http://common-lisp.net/project/trivial-backtrace/trivial-backtrace.git
The [darcs][] repository is still around but is **not** being updated.
The command to get it is below:
;;; WARNING: out of date
darcs get http://common-lisp.net/project/trivial-backtrace/
trivial-backtrace is also [ASDF installable][asdf-install].
Its CLiki home is right [where][cliki-home] you'd expect.
There's also a handy [gzipped tar file][tarball].
{anchor news}
### What is happening
<dl>
<dt>14 May 2009</dt>
<dd>Moved to [git][]; John Fremlin adds map-backtrace
</dd>
<dt>1 June 2008</dt>
<dd>Release version 1.0
</dd>
</dl>
</div>
</div>
{include resources/footer.md}

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<div id="footer" class="footer">
<div id="buttons">
<a class="nav" href="http://validator.w3.org/check/referer" title="xhtml1.1"><img src="http://common-lisp.net/project/cl-containers/shared/buttons/xhtml.gif" width="80" height="15" title="valid xhtml button" alt="valid xhtml" /></a>
<a class="nav" href="http://common-lisp.net/project/cl-markdown/" title="Mark with CL-Markdown"><img src="http://common-lisp.net/project/cl-containers/shared/buttons/cl-markdown.png" width="80" height="15" title="Made with CL-Markdown" alt="CL-Markdown" /></a>
<a class="nav" href="http://www.catb.org/hacker-emblem/" title="hacker"><img src="http://common-lisp.net/project/cl-containers/shared/buttons/hacker.png" width="80" height="15" title="hacker emblem" alt="hacker button" /></a>
<a class="nav" href="http://www.lisp.org/" title="Association of Lisp Users"><img src="http://common-lisp.net/project/cl-containers/shared/buttons/lambda-lisp.png" width="80" height="15" title="ALU emblem" alt="ALU button" /></a>
<a class="nav" href="http://common-lisp.net/" title="Common-Lisp.net"><img src="http://common-lisp.net/project/cl-containers/shared/buttons/lisp-lizard.png" width="80" height="15" title="Common-Lisp.net" alt="Common-Lisp.net button" /></a>
</div>
### Copyright (c) 2009 - 2011 Gary Warren King (gwking@metabang.com)
trivial-backtrace has an [MIT style][mit-license] license
<div id="timestamp">Last updated {today} at {now}</div>
</div>

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{include shared-links.md}
{set-property html yes}
{set-property style-sheet "styles.css"}
{set-property author "Gary Warren King"}
{set-property title "trivial-backtrace | watch where you've been"}
[devel-list]: http://common-lisp.net/cgi-bin/mailman/listinfo/trivial-backtrace-devel
[cliki-home]: http://www.cliki.net//trivial-backtrace
[tarball]: http://common-lisp.net/project/trivial-backtrace/trivial-backtrace.tar.gz
<div id="header">
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## trivial-backtrace
#### watch where you've been
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website/website.tmproj Normal file
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