https://github.com/clojure/tools.trace.git
git clone 'https://github.com/clojure/tools.trace.git'
(ql:quickload :clojure.tools.trace)
A Clojure trace tool. Defines tracing macros/fns to help you see what your code is doing.
Formerly known as clojure.contrib.trace.
See the tools.trace API Reference.
Latest stable release: 0.7.10
Leiningen dependency information:
[org.clojure/tools.trace "0.7.10"]Maven dependency information:
xml
<dependency>
<groupId>org.clojure</groupId>
<artifactId>tools.trace</artifactId>
<version>0.7.10</version>
</dependency>
=> (use 'clojure.tools.trace)
=> (trace (* 2 3)) ;; To trace a value
TRACE: 6
6
=> (trace "tag" (* 2 3)) ;; To trace a value and assign a trace tag
TRACE tag: 6
6
=> (deftrace fubar [x v] (+ x v)) ;; To trace a function call and its return value
=> (fubar 2 3)
TRACE t1107: (fubar 2 3)
TRACE t1107: => 5
5
=> (do (+ 1 3) (* 5 6) (/ 1 0))
ArithmeticException Divide by zero clojure.lang.Numbers.divide (Numbers.java:156)
=> (trace-forms (+ 1 3) (* 5 6) (/ 1 0)) ;; To identify which form is failing
ArithmeticException Divide by zero
Form failed: (/ 1 0)
clojure.lang.Numbers.divide (Numbers.java:156)
(trace-ns myown.namespace) ;; To dynamically trace/untrace all fns in a name space (untrace-ns myown.namespace)
(trace-vars myown.namespace/fubar) ;; To dynamically trace/untrace specific fns (untrace-vars myown.namespace/fubar)
[http://build.clojure.org/job/tools.trace-test-matrix/)
Release 0.7.10 September 23, 2018:
Closed TTRACE-16, applied fix from Andy Fingerhut, fixed typos in README, support Clojure 1.9, fixes to unit tests
Closed TTRACE-13, trace-ns macro accept both quoted or unquoted namespace argument
Release 0.7.9 October 8, 2015:
Closed TTRACE-11, trace-vars/untrace-vars now accept vars
Closed TTRACE-12, move away from Java 5, extend some new throwables with ThrowableRecompose
Added more tests for TTRACE-12
Release 0.7.8 March 15, 2013:
Fixed README
Release 0.7.7 March 14, 2013:
Replaced def by declare in deftrace macro
Remove unnecessary call to run-tests in test suite
Trace only functions in trace-vars*
Added missing cond in clone-throwable on a Throwable
Do not allow trace-vars* to reapply tracing on an already traced function
Release 0.7.6 Aug 23, 2013:
Fixed crash of throwable tracing when no string based constructor exists
Release 0.7.5 Dec 1, 2012:
Fixed README and comments in source file
Release 0.7.4 Dec 1, 2012:
added traced? and traceable/ fns
removed reflection warnings
Release 0.7.3 March 4, 2012:
added macro wrappers around fns allowing dynamic tracing.
Release 0.7.2 Feb. 20, 2012:
added contribution from Michał Marczyk and Don Jackson to allow dynamic tracing of fn vars and all fns in a given namespace.
Release 0.7.1 on 2011-09-18
moved it to new contrib modular struct
made it 1.2/1.3 compliant
supported doc strings
added a trace-form macro, from Jonathan Fischer
Changes from clojure.trace
replaced trace-out with tracer
made trace a function instead of a macro (suggestion from Stuart Halloway)
added trace-fn-call
Copyright (c) Stuart Sierra, Michel Salim, Luc Préfontaine, Jonathan Fischer Friberg, Michał Marczyk, Andy Fingerhut 2011-2018. All rights reserved. The use and distribution terms for this software are covered by the Eclipse Public License 1.0 (http://opensource.org/licenses/eclipse-1.0.php) which can be found in the file epl-v10.html at the root of this distribution. By using this software in any fashion, you are agreeing to be bound by the terms of this license. You must not remove this notice, or any other, from this software.