:reflection
:boxed-math
:non-dynamic-earmuffs
^:dynamic
metadata.doall
side-effectful (for the :unused-ret-vals
linter).:no-ns-form-found
linter for Eastwood config files.
defprotocol
analysis causes issues.src/
test/
or such) will be silenced, for most linters where doing so is low-risk.
:ignore-faults-from-foreign-macroexpansions? false
global option.:forced-exit-code 0
option.
:unused-ret-vals
/:unused-ret-val-on-try
don't trigger warnings so easily for static method calls.
jvm-method-info.edn
) describing their side-effects. Now, if a method isn't found in said list it will be considered side-effectful, favoring false negatives over false positives.:unused-ret-vals
/:unused-ret-val-on-try
also lint instance method calls.
:deprecations
linter won't emit faults if the deprecated defn and a given consumer defn belong to the same ns.
:unused-ret-vals
for clojure.core/read
clojure.core.async/go
macro.
:abort-on-core-async-exceptions? true
as a top-level Eastwood option.:source-paths
, etc.:wrong-arity
linter omittable via the disable-warning
mechanism.eastwood.lint
-main
program when invoked with no arguments.(class (byte-array 0))
as an extend-protocol
target without it triggering :wrong-tag
.some->
, some->>
:constant-test
linter available for if-some
, when-some
:unused-fn-args
linter omittable via the disable-warning
mechanism
:unused-fn-args
linter play better with multimethods
:implicit-requires
linter work corectly in presence of dynamic require
forms
(is false)
pattern
(while true)
pattern
let
destructuring
extend-protocol
let-flow
are
, with-out-str
, some external libraries, etc.:wrong-tag
linter can also be configured via the disable-warning
mechanism.
disable-warnings
that Eastwood ships by default now prevent false positives against the speced.def lib.:suspicious-test
linter can also be configured via the disable-warning
mechanism.
clojure.test/are
macro now does not trigger a linter fault.:unused-meta-on-macro
linter can also be configured via the disable-warning
mechanism.
eastwood.lint/eastwood
programatically, now a new key is offered: :some-errors
, akin to :some-warnings
.
unused-ret-vals-in-try
for clojure.test
suspicious-expression
for clojure.test/is
clojure.test/assert-expr
better
defn
s having :test
metadata don't result in false positives for the :bad-arglists
linter anymore.:ignored-faults
option
:parallelism?
option, which affects analysis/evaluation) is thread-safe.^:const
:implicit-dependencies
to support potemkin/import-vars:rethrow-exceptions?
option which could try to hash-map:namespaces
option:rethrow-exceptions?
option, which offers throwing any encountered exceptions during analysis/linting instead of only reporting them.
You might want this if using Eastwood programatically.set-linter-executor!
configuration option:only-modified
with the value true,
Eastwood will only lint the files which are modified since the timestamp stored in
.eastwood
:naive
which runs pmap
over
the namespaces.:redefd-vars
warning for mount's defstate
:implicit-dependencies
linter:constant-test
warning on macro expansion of clojure.spec
's
coll-of
as->
and coll-of
The main changes with version 0.2.5 are for improving how Eastwood
works with Clojure 1.9.0, and eliminating false positives when using
the :unused-namespaces
linter.
Thanks to contributions from Daniel Compton, Derek Passen, Emlyn Corrin, and Reid McKenzie.
No new linters.
Updated version of tools.reader adds support for new syntax in Clojure 1.9.0-beta2, e.g. map namespace syntax, Issue #228 #201
Eliminate some common :suspicious-expression
warnings due to how
some clojure.spec
macros such as every
and and
are
implemented. Issue
#227. There are
likely further improvements that can be made in this area in the
future.
:unused-namespaces
linter has been significantly improved, in that
it gives far fewer false positive warnings.
Issue #200
#211
#186
Eliminate warnings when running with Clojure 1.9.0 for conflict with new functions in core like boolean? and uri? Issue #232 #233
Eliminate new warnings that appeared with Clojure 1.9.0 defrecord performance improvement, because Eastwood was using internal details that changed. Issue #231
New version of leinjacker allows Eastwood to be invoked via lein
command line for Leiningen projects that use managed
dependencies.
Issue #230
Eliminate some unwanted debug messages when clojure.spec/assert
is
used inside of function preconditions.
Issue #219
Eliminate some false :non-dynamic-earmuffs
warnings.
Issue #213
No new linters. Added initial support for .cljc files and reader conditionals.
Read .cljc files in addition to .clj files when scanning namespaces.
Handle reader conditionals by always parsing the :clj branch.
Allow ClojureScript-specific libspec entries, such as :include-macros true
.
Internal enhancements:
Updated versions of tools.analyzer, tools.reader, tools.namespace, core.memoize, and clojure.java.classpath.
Updated documentation, cleaned up comments, and removed unused require statements.
No new linters. The only difference with 0.2.2 is a few bug fixes:
Ignore the contents of any file data_readers.clj
in any directory
of your classpath. Earlier versions of Eastwood would lint their
contents, and by default complain that there was no ns
form at the
beginning. There should not be an ns
form in such a file, and
Eastwood no longer issues such incorrect warnings. Issue
#172.
Eliminate an exception caused by Eastwood's unused-ret-vals
and
unused-ret-vals-in-try
linters that could occur if a Java method
cannot be resolved. Issue
#173.
New linter:
:wrong-pre-post
that warns about several kinds of wrong
or suspicious preconditions or postconditions in a function.
link. Issue
#89.Other enhancements and bug fixes:
Updates to support Clojure 1.8.0-RC1.
Picture of Clint Eastwood in the README.
Warn when a record field and function name are identical. This was actually implemented in an earlier version of Eastwood, but I did not notice that until now. Issue #55.
Several fixes to the bad-arglists linter.
Change keyword-typos linter so that it no longer warns if the only difference between two keywords is the presence or absence of an initial underscore character. Issue #163.
If you use the APIs to invoke Eastwood that return a map of info about each warning, there is a new :warning-details-url key that gives a link to the Eastwood documentation giving more detail about each type of warning. Issue #105.
Eliminate exception thrown when linting byte-streams library. Issue #120.
Disable unused-ret-vals warnings inside Potemkin's import-vars macro. Issue #135.
Internal enhancements:
Correct the output put into debug file forms-emitted.txt. Issue #136.
Updated versions of tools.analyzer, tools.analyzer.jvm and several other libraries used by Eastwood. The current version of these should always be visible in the file clone.sh
There were changes in the way the 'defn' macro was implemented in Clojure 1.8.0-RC1 that caused the tools.analyzer ASTs (abstract syntax trees) to differ when analyzing Clojure code. Eastwood 0.2.1 and earlier did not gracefully handle those changes, causing the warnings issued for the same Clojure project to differ significantly when using Clojure 1.8.0-RC1 instead of an earlier version of Clojure, most noticeably for misplaced doc strings and wrong tag warnings. Hopefully all of these issues have been eliminated with Eastwood 0.2.2.
If you use Emacs+Cider or Eclipse+Counterclockwise development environments, there are now add-ons that integrate Eastwood warnings. See https://github.com/jonase/eastwood#editor-support
New linters, and new good warnings from existing linters:
New linter :wrong-ns-form
that warns about several kinds of wrong
or suspicious :require
or :use
subforms inside ns
forms.
Issue #85,
#98
:suspicious-expression
linter now warns about trivial uses of more
clojure.core
macros then before.
Fewer unwanted warnings, via logic enhancements or configuration options:
Several linters now have configuration options to disable their
warnings based upon whether the warnings occur inside of a
macroexpansion of a particular macro. By default, Eastwood loads
several config files worth of such disabling options for the linters
:constant-test
, :redefd-vars
, :suspicious-expression
, and
:unused-ret-vals
that prevent them from generating many unwanted
warning messages, at least when certain macros are used, such as
those in core.contracts
, core.match
, core.typed
, Korma,
Carmine, Timbre, Instaparse, and Schema. Eastwood users may write
their own config files to disable more warnings.
Issue #45,
#96,
#108,
#111,
#118,
#122,
#123
The :wrong-arity
linter now generates nearly no unwanted warnings
when you use the java.jdbc
and Hiccup libraries. Those libraries
modify the :arglists
key in metadata of some of their functions
and macros for documentation purposes, but in a way that fooled
Eastwood into generating incorrect warnings. Like the previous
item, this is also configurable, and Eastwood users may extend these
configurations for their own situations.
Issue #119,
#124
Limited documentation for how to specify these new config files, plus links to the current ones, where one might learn from the current example configs. This documentation should expand in the future.
The :unused-namespaces
linter had several bugs causing it to
report a namespace that was require
d or use
d as being unused,
when in fact it was. The only remaining case of such unwanted
warnings is at least documented.
Issue #25
:suspicious-test
linter now correctly infers in more cases when
the last argument to clojure.test/is
is a string, eliminating some
incorrect warnings.
Issue #117
Other enhancements:
:constant-test
warning messages now include the expression in
which the constant test expression was found. In some cases where
the expression is inside of a macro expansion, this can give more
clues about the cause of the constant test.
When reflection or boxed math warnings are enabled and the Clojure
compiler prints them during Eastwood's eval
ing of your code,
Eastwood will recognize them and change their format to match that
of Eastwood's own warnings, so that they may be stepped through in
editors in the same way as other Eastwood warnings. Note that any
such warnings produced when Leiningen is loading other namespaces,
before Eastwood analysis begins, are outside of Eastwood's knowledge
or control, and are thus not modified.
New eastwood.lint/lint
function intended for use by developers
integrating Eastwood with editors and IDEs.
Issue #131
When specifying lists of linters to use in Eastwood options, can now
use the keyword :all
as an abbreviation for all linters, or
:default
for all linters enabled by default.
Issue #130
If code uses the values of &env
in a macro expansions, which
causes Eastwood to throw an exception, it now recognizes that
exception message and gives a message that explains a little more
clearly why the exception occurred, with links to the documentation.
Documentation of how Eastwood's options map is created from
Leiningen configuration files and the command line, plus a new debug
option :options
to show what the options are at several steps of
the process.
Issue #125
Invoking lein help eastwood
from the command line now prints some
help, plus link to the full documentation.
:debug
key value in Eastwood options map can now be a list or
vector, to avoid the need to type the #
character as part of the
set literal syntax.
Internal Eastwood test/development enhancements:
Enhancements to Eastwood's tests to make it easier to update expected results to match actual results.
Update projects in Eastwood's test suite (the "crucible") to include
newer versions of core.logic
and Elastisch.
Eastwood version 0.2.0 requires Clojure 1.5.0 or later. Clojure 1.4.0 is no longer supported.
The new default lint warning format is no longer a map, but lines of
the form "FILE:LINE:COL: LINTER MSG". You can put only the warnings
lines into a file using the new option :out
. Support already
exists in Emacs, Vim, and probably other editors for stepping
through the warnings, with another buffer/window jumping to the
location of the warning for you. See docs for more details. Issue
#104.
Enhanced :suspicious-expression
linter so it always uses
macroexpanded forms, not original source forms. Thus it no longer
produces incorrect warnings for expressions using ->
or ->>
like
(-> 1 (= 1))
, as it used to. Issue
#93.
New linter :constant-test
that warns when a test expression in an
if
, cond
, if-let
, etc. is obviously a constant, or a literal
collection that will always evaluate as true. Issue
#77.
New linter :unused-meta-on-macro
that warns when metadata is used
to annotate a macro invocation, but the Clojure compiler will ignore
it because it is discarded during macro expansion. Issue
#97.
New linter :unused-locals
that warns when a let
binds values to
symbols, but those symbols are never used. Disabled by default.
Issue #106.
New linter :no-ns-form-found
that warns about each Clojure file
found where Eastwood could not find an ns
form. Most likely that
is because there is none, but more unusually there could be an ns
form that is nested inside of another top level form.
New linter :non-clojure-file
that warns about each non-Clojure
file found in your :source-paths
or :test-paths
, if you specify
those in the list of namespaces to lint, or leave them there as the
default. Issue
#102.
Corrections to the :wrong-tag
linter where it was throwing
exceptions while linting some projects -- ones that had not been
tested before Eastwood 0.1.5 release.
Updated the :unused-private-vars
linter so that it should be
correct in more cases, and have better line number info.
Corrected a case where :unlimited-use
warnings were still being
issued for the namespace clojure.test
, which was (:use [clojure test])
. Issue #95.
For namespace / file name consistency check error messages, made the message a little clearer for common special case of file name having '-' characters instead of '_'. Issue #103.
Improved line/column location info for a few :unused-ret-val
warnings.
Updated versions of several libraries used: tools.analyzer
0.6.3 +
a few commits, tools.analyzer.jvm
0.6.4 + a few commits,
core.memoize
0.5.6 + a few commits, core.cache
0.6.4. Issues:
#100.
Added several projects to the 'crucible' set of projects on which Eastwood is regularly tested: Instaparse, Schema, Plumbing, Carmine, Compojure.
New linter :local-shadows-var
that warns if a local name (e.g. a
function argument or let binding) has the same name as a global Var,
and is called as a function. This is sometimes a mistake. Issue
#81.
New linter :wrong-tag
that warns for some kinds of erroneous type
tags. For example, a primitive type tag like ^int
or ^bytes
on
a Var name being def
'd or defn
'd should be given as ^{:tag 'int}
instead. Also it is best if Java class names outside of the
java.lang
package are fully qualified when used to hint the return
type of a function on its argument vector. Introducing this linter
depends upon changes to tools.analyzer.jvm
that no longer throw
exceptions when linting source code with these problems. Issue
#37.
New API for running Eastwood from a REPL session, nearly identical to what is available from the command line. This should be used with caution due to problems that might result if you run Eastwood multiple times from the same REPL session, because it reloads and re-evaluates your code each time. Issue #56.
The default behavior is now to stop analyzing namespaces after the
first exception thrown during analysis or evaluation. The new
option :continue-on-exception
can be set to true to force the old
behavior. The new stopping behavior prevents some spurious warnings
about undefined Vars that can be confusing to users. Issue
#79.
:unlimited-use
warnings are no longer issued for the namespace
clojure.test
. It is very common for Clojure developers to have
(:use clojure.test)
in test namespaces. Issue
#95.
:suspicious-expression
warnings are no longer issued for forms
inside quote forms. Issue
#74.
The warning messages for linters :unused-fn-args
and
:unused-ret-vals
have changed slightly to remove details that were
not easy to continue to provide with the newest tools.analyzer
libraries. On the plus side, some of the line and column numbers
are now more precise than they were before with those linters, and
also for the :suspicious-test
linter.
Lint warning maps contain a new key :uri-or-file-name
, which has
the advantage of making it easier to know the exact directory of the
file being linted when the warning was found, including the
directory of your classpath that the file is in (the :file
name
string is relative to the classpath the file is in). The value of
:uri-or-file-name
is either: (a) a string with the relative path
name to the file containing the namespace being linted when the
warning was found (relative to where the lein eastwood
command was
run, (b) the absolute full path name if the file is not beneath the
current directory, or (c) a URI like the following if it is a
namespace inside of a JAR file:
#<URI jar:file:/Users/jafinger/.m2/repository/org/clojure/clojure/1.6.0/clojure-1.6.0.jar!/clojure/test/junit.clj>
Eliminated an exception thrown when running the :suspicious-test
linter on forms like (clojure.test/is ((my-fn args) more-args))
,
with an expression (my-fn args)
instead of a symbol my-fn
as the
first item. Issue
#88.
Eastwood 0.1.4, and perhaps a few earlier versions as well,
unintentionally 'hid' exceptions thrown by the Clojure compiler
while doing eval
. Such exceptions are now made visible to the
user, which makes errors occur earlier, and closer to the actual
source of the problem.
Updated versions of several libraries used: tools.analyzer
0.6.2,
tools.analyzer.jvm
0.6.3, tools.reader
0.8.10, tools.namespace
0.2.7
Added some new utility/debug functions for showing ASTs trimmed of unwanted data, and sorting the keys in orders that put the most important values early.
Made some Eastwood code simultaneously simpler, shorter, and more
reliable by using a tools.analyzer(.jvm)
enhancement that
preserves the original forms of code that goes through macro
expansion. Issue
#71.
Modified pprint-ast-node
to avoid an infinite loop for ASTs of
code containing defprotocol
forms. Issue
#90.
Extensive internal plumbing changes: replace many println
calls
with a probably-too-complex callback function instead. The hope is
that this will make it easier for IDE developers to invoke Eastwood
and control where the different kinds of output go, and get more of
it as Clojure data rather than strings.
Only report :suspicious-test
warnings for (is ...)
forms if the
is
refers to the one defined in clojure.test
. This is
especially helpful to users of core.typed
, which defines its own
meaning for (is ...)
forms. These often caused false warnings
with previous Eastwood versions. Issue
#63.
No longer report nil
values as :unused-ret-vals
warnings if they
arise due to the expansion of gen-class
or comment
macros.
Issue #39.
Improved precision of :line
and :column
values in
:unlimited-use
warnings.
Several small changes while working towards being able to lint the
core.typed
Clojure contrib library. First was an algorithmic
speedup from exponential to linear time in tools.namespace
dependency analysis, which was only first noticed with
core.typed
's inter-namespace dependencies. Second was creating
all namespaces before beginning linting, to handle an unusual
occurrence of alias
in namespace B
to namespace A
, where A
required B
. More work still needed here.
Updated tools.analyzer
and tools.analyzer.jvm
to version 0.2.2.
:debug
option :ns
was removed when introducing the use of
tools.analyzer.jvm/analyze+eval
. It may be added back in again
later. Other debug options were temporarily removed, then added
back in, although in some cases forms are now pprint'ed without
metadata keys such as :column
, :end-line
, :end-column
, and
:file
, for brevity.
Added file name to all linter warnings. Issue #64.
Added column numbers to :redefd-vars warnings.
Handle "./" at beginning of :source-paths or :test-paths dir names. Fixes issue #66.
Most of the Clojure contrib libraries upon which Eastwood depends are now copied into Eastwood itself, and then renamed to have different namespace names. This helps to avoid potential conflicts between the version used by Eastwood, and the version used by Clojure projects being linted. Fixes issue #67.
Updated tools.analyzer
and tools.analyzer.jvm
to version
0.1.0-beta13.
Updated data.priority-map
to 0.0.5, and core.memoize
to 0.5.6
plus a local patch, both to avoid spurious reflection warnings from
Eastwood itself.
Added :compare-forms debug option, only intended for use by Eastwood developers for debugging Eastwood itself. Causes Eastwood to write two files forms-read.txt and forms-emitted.txt. forms-read.txt contains the forms after they have been read, top-level do forms are recognized and each subform analyzed separately, and after calling macroexpand-1 on them, at the top level only. forms-emitted.txt contains the forms after all of those steps, plus being analyzed with tools.analyzer(.jvm) to produce an AST, and then emit-form called on the AST to produce a form.
Updated tools.analyzer
and tools.analyzer.jvm
to version
0.1.0-beta10. Most of the Eastwood issues fixed since Eastwood
0.1.1 were due to this change.
Changed method of analyzing code that was throwing exception with some projects, e.g. kria. Fixes issue #60, and I think this same fix also corrected issue #54
Fixed analysis problem that caused Eastwood to throw exceptions when analyzing Midje, and test code of libraries that used Midje. Fixes issue #61
New functions and macros added to Clojure 1.6.0 will now cause :unused-ret-vals or :unused-ret-vals-in-try warnings if they are called and their return value is ignored, just as that happens for other functions in clojure.core. Fixes issue #59
Updates to scripts and files used to test Eastwood, of interest only to Eastwood developers. Now it is straightforward to ensure that you get the same version of project source code if you use the test scripts on multiple machines, instead of getting whatever the latest happened to be at the time you ran the clone.sh script.
Added consistency checking between namespace and file names before actual linting begins, to avoid hard-to-understand error messages that could otherwise result. See this section in the docs.
Added :bad-arglists
linter. See this
section
in the docs.
No longer issue warnings for code inside of comment
forms. Fixes
issue #47
lein help
now gives one-line description of Eastwood plugin, and
lein eastwood help
gives a link to the full documentation, and
help about the same as that in the "Installation & Quick Usage"
section.
Reflection warnings appearing in output of lein eastwood
should
now be much closer to those produced by Clojure itself, and usually
include useful line:column numbers. There may still be some
differences, so reflection warnings in the output of lein check
are still the ones you want to trust, if there are any differences.
Updated tools.analyzer
and tools.analyzer.jvm
to version
0.1.0-beta8. Updated some Eastwood code as a result of changes in
those libraries. (Eastwood version 0.1.0 used version 0.1.0-alpha1
of those libraries).
Top level do
forms are now analyzed by Eastwood similarly to how
Clojure itself does it, as if the forms inside the do
were
themselves independent top level forms. See the article "in which
the perils of the gilardi scenario are
overcome" for some description of why
Clojure does this. Fixes issue
#49
Correctly detect gen-interface
forms even if invoked using
clojure.core/gen-interface
.
Link
to the commit.
Updates to scripts and files used to test Eastwood, of interest only to Eastwood developers.
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