D14632.diff
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	diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
	--- a/src/__phutil_library_map__.php
	+++ b/src/__phutil_library_map__.php
	@@ -55,6 +55,8 @@
	'ArcanistCapabilityNotSupportedException' => 'workflow/exception/ArcanistCapabilityNotSupportedException.php',
	'ArcanistCastSpacingXHPASTLinterRule' => 'lint/linter/xhpast/rules/ArcanistCastSpacingXHPASTLinterRule.php',
	'ArcanistCastSpacingXHPASTLinterRuleTestCase' => 'lint/linter/xhpast/rules/__tests__/ArcanistCastSpacingXHPASTLinterRuleTestCase.php',
	+ 'ArcanistCheckstyleLinter' => 'lint/linter/ArcanistCheckstyleLinter.php',
	+ 'ArcanistCheckstyleLinterTestCase' => 'lint/linter/__tests__/ArcanistCheckstyleLinterTestCase.php',
	'ArcanistCheckstyleXMLLintRenderer' => 'lint/renderer/ArcanistCheckstyleXMLLintRenderer.php',
	'ArcanistChmodLinter' => 'lint/linter/ArcanistChmodLinter.php',
	'ArcanistChmodLinterTestCase' => 'lint/linter/__tests__/ArcanistChmodLinterTestCase.php',
	@@ -274,6 +276,8 @@
	'ArcanistPHPOpenTagXHPASTLinterRuleTestCase' => 'lint/linter/xhpast/rules/__tests__/ArcanistPHPOpenTagXHPASTLinterRuleTestCase.php',
	'ArcanistPHPShortTagXHPASTLinterRule' => 'lint/linter/xhpast/rules/ArcanistPHPShortTagXHPASTLinterRule.php',
	'ArcanistPHPShortTagXHPASTLinterRuleTestCase' => 'lint/linter/xhpast/rules/__tests__/ArcanistPHPShortTagXHPASTLinterRuleTestCase.php',
	+ 'ArcanistPMDLinter' => 'lint/linter/ArcanistPMDLinter.php',
	+ 'ArcanistPMDLinterTestCase' => 'lint/linter/__tests__/ArcanistPMDLinterTestCase.php',
	'ArcanistPaamayimNekudotayimSpacingXHPASTLinterRule' => 'lint/linter/xhpast/rules/ArcanistPaamayimNekudotayimSpacingXHPASTLinterRule.php',
	'ArcanistPaamayimNekudotayimSpacingXHPASTLinterRuleTestCase' => 'lint/linter/xhpast/rules/__tests__/ArcanistPaamayimNekudotayimSpacingXHPASTLinterRuleTestCase.php',
	'ArcanistParentMemberReferenceXHPASTLinterRule' => 'lint/linter/xhpast/rules/ArcanistParentMemberReferenceXHPASTLinterRule.php',
	@@ -469,6 +473,8 @@
	'ArcanistCapabilityNotSupportedException' => 'Exception',
	'ArcanistCastSpacingXHPASTLinterRule' => 'ArcanistXHPASTLinterRule',
	'ArcanistCastSpacingXHPASTLinterRuleTestCase' => 'ArcanistXHPASTLinterRuleTestCase',
	+ 'ArcanistCheckstyleLinter' => 'ArcanistExternalLinter',
	+ 'ArcanistCheckstyleLinterTestCase' => 'ArcanistExternalLinterTestCase',
	'ArcanistCheckstyleXMLLintRenderer' => 'ArcanistLintRenderer',
	'ArcanistChmodLinter' => 'ArcanistLinter',
	'ArcanistChmodLinterTestCase' => 'ArcanistLinterTestCase',
	@@ -688,6 +694,8 @@
	'ArcanistPHPOpenTagXHPASTLinterRuleTestCase' => 'ArcanistXHPASTLinterRuleTestCase',
	'ArcanistPHPShortTagXHPASTLinterRule' => 'ArcanistXHPASTLinterRule',
	'ArcanistPHPShortTagXHPASTLinterRuleTestCase' => 'ArcanistXHPASTLinterRuleTestCase',
	+ 'ArcanistPMDLinter' => 'ArcanistExternalLinter',
	+ 'ArcanistPMDLinterTestCase' => 'ArcanistExternalLinterTestCase',
	'ArcanistPaamayimNekudotayimSpacingXHPASTLinterRule' => 'ArcanistXHPASTLinterRule',
	'ArcanistPaamayimNekudotayimSpacingXHPASTLinterRuleTestCase' => 'ArcanistXHPASTLinterRuleTestCase',
	'ArcanistParentMemberReferenceXHPASTLinterRule' => 'ArcanistXHPASTLinterRule',
	diff --git a/src/lint/linter/ArcanistCheckstyleLinter.php b/src/lint/linter/ArcanistCheckstyleLinter.php
	new file mode 100644
	--- /dev/null
	+++ b/src/lint/linter/ArcanistCheckstyleLinter.php
	@@ -0,0 +1,177 @@
	+<?php
	+
	+/**
	+ * This linter invokes checkstyle for verifying java coding standards.
	+ * The checkstyle report is given over stdout as a simple XML document
	+ * which maps fairly easily to ArcanistLintMessage.
	+ */
	+class ArcanistCheckstyleLinter extends ArcanistExternalLinter {
	+
	+ private $fullyQualifySourcename = false;
	+
	+ public function getInfoName() {
	+ return 'Java checkstyle linter';
	+ }
	+
	+ public function getLinterName() {
	+ return 'CHECKSTYLE';
	+ }
	+
	+ public function getInfoURI() {
	+ return 'http://checkstyle.sourceforge.net';
	+ }
	+
	+ public function getInfoDescription() {
	+ return pht('Use `%s` to perform static analysis on Java code.',
	+ 'checkstyle');
	+ }
	+
	+ public function getLinterConfigurationName() {
	+ return 'checkstyle';
	+ }
	+
	+ public function getLinterConfigurationOptions() {
	+ $options = array(
	+ 'checkstyle.fully-qualify-sourcename' => array(
	+ 'type' => 'optional bool',
	+ 'help' => pht(
	+ 'Controls whether errors messages reported by checkstyle use the '.
	+ 'fully-qualified or simple classname of the reporting check. The '.
	+ 'default setting is `false`, which simplifies the class name: '.
	+ '`com.company.pkg.CheckIndentation` => `CheckIndentation`.'),
	+ ),
	+ );
	+
	+ return $options + parent::getLinterConfigurationOptions();
	+ }
	+
	+ public function setLinterConfigurationValue($key, $value) {
	+ switch ($key) {
	+ case 'checkstyle.fully-qualify-sourcename':
	+ $this->setFullyQualifySourcename($value);
	+ return;
	+ }
	+
	+ return parent::setLinterConfigurationValue($key, $value);
	+ }
	+
	+ public function setFullyQualifySourcename($fully_qualify_sourcename) {
	+ $this->fullyQualifySourcename = $fully_qualify_sourcename;
	+ return $this;
	+ }
	+
	+ public function getVersion() {
	+ list($stdout) = execx('%C -v', $this->getExecutableCommand());
	+
	+ $matches = array();
	+ $regex = '/^Checkstyle version: (?P<version>\d+\.\d+)$/';
	+ if (preg_match($regex, $stdout, $matches)) {
	+ return $matches['version'];
	+ }
	+ return false;
	+ }
	+
	+ public function getInstallInstructions() {
	+ return pht('Ensure java is configured as interpreter and '.
	+ 'the checkstyle jar is configured as the binary. If you need to pass '.
	+ 'additional additional JVM arguments include them with the '.
	+ '`interpreter.flags` field. Use the `flags` field to configure '.
	+ 'checkstyle arguments, including the `-c my_styles.xml` for '.
	+ 'the styles to verify.');
	+ }
	+
	+ protected function getMandatoryFlags() {
	+ return array('-f', 'xml');
	+ }
	+
	+ public function shouldExpectCommandErrors() {
	+ return false;
	+ }
	+
	+ public function shouldUseInterpreter() {
	+ return true;
	+ }
	+
	+ public function getDefaultBinary() {
	+ return 'checkstyle.jar';
	+ }
	+
	+ public function getDefaultInterpreter() {
	+ return 'java';
	+ }
	+
	+ protected function getMandatoryInterpreterFlags() {
	+ // since the binary is the checkstyle jar, this flag must
	+ // always be passed to the interpreter, and is guaranteed to be provided
	+ // as the first flag before the binary jar on the command line
	+ return array('-jar');
	+ }
	+
	+ protected function parseLinterOutput($path, $err, $stdout, $stderr) {
	+ $dom = new DOMDocument();
	+ $ok = @$dom->loadXML($stdout);
	+
	+ if (!$ok) {
	+ return false;
	+ }
	+
	+ $files = $dom->getElementsByTagName('file');
	+ $messages = array();
	+ foreach ($files as $file) {
	+ $errors = $file->getElementsByTagName('error');
	+ foreach ($errors as $error) {
	+ $message = new ArcanistLintMessage();
	+ $message->setPath($file->getAttribute('name'));
	+ $message->setLine($error->getAttribute('line'));
	+ $message->setCode($this->getLinterName());
	+
	+ // source is the module's fully-qualified classname
	+ // attempt to simplify it for readability
	+ $source = $error->getAttribute('source');
	+ if ($this->fullyQualifySourcename == false) {
	+ $source = idx(array_slice(explode('.', $source), -1), 0);
	+ }
	+ $message->setName($source);
	+
	+ // checkstyle's XMLLogger escapes these five characters
	+ $description = $error->getAttribute('message');
	+ $description = str_replace(
	+ ['<', '>', ''', '"', '&'],
	+ ['<', '>', '\'', '"', '&'],
	+ $description);
	+ $message->setDescription($description);
	+
	+ $column = $error->getAttribute('column');
	+ if ($column) {
	+ $message->setChar($column);
	+ }
	+
	+ $severity = $error->getAttribute('severity');
	+ switch ($severity) {
	+ case 'error':
	+ $message->setSeverity(ArcanistLintSeverity::SEVERITY_ERROR);
	+ break;
	+ case 'warning':
	+ $message->setSeverity(ArcanistLintSeverity::SEVERITY_WARNING);
	+ break;
	+ case 'info':
	+ $message->setSeverity(ArcanistLintSeverity::SEVERITY_ADVICE);
	+ break;
	+ case 'ignore':
	+ $message->setSeverity(ArcanistLintSeverity::SEVERITY_DISABLED);
	+ break;
	+
	+ // The above four are the only valid checkstyle severities,
	+ // this is for completion as well as preparing for future severities
	+ default:
	+ $message->setSeverity(ArcanistLintSeverity::SEVERITY_WARNING);
	+ break;
	+ }
	+
	+ $messages[] = $message;
	+ }
	+ }
	+
	+ return $messages;
	+ }
	+}
	diff --git a/src/lint/linter/ArcanistPMDLinter.php b/src/lint/linter/ArcanistPMDLinter.php
	new file mode 100644
	--- /dev/null
	+++ b/src/lint/linter/ArcanistPMDLinter.php
	@@ -0,0 +1,326 @@
	+<?php
	+
	+/**
	+ * This linter invokes PMD for linting java code.
	+ * The PMD report is given over stdout as a simple XML document
	+ * which maps fairly easily to ArcanistLintMessage.
	+ *
	+ * The manner of executing PMD is a little round-about in order
	+ * to work around the internals of ArcanistExternalLinter.
	+ *
	+ * The binary is passed as a classpath argument to `java` then
	+ * the binary arguments override it with a full classpath.
	+ * This also enables the binary being used to build the full
	+ * classpath since the PMD distribution uses multiple jars.
	+ *
	+ * This linter can be used to invoke either PMD or CPD subcommands.
	+ */
	+class ArcanistPMDLinter extends ArcanistExternalLinter {
	+
	+ private $subCommand = 'pmd';
	+
	+ public function getInfoName() {
	+ return 'Java PMD linter';
	+ }
	+
	+ public function getLinterName() {
	+ return 'PMD';
	+ }
	+
	+ public function getInfoURI() {
	+ return 'https://pmd.github.io/';
	+ }
	+
	+ public function getInfoDescription() {
	+ return pht('Use `%s` to perform static analysis on Java code.',
	+ 'PMD');
	+ }
	+
	+ public function getLinterConfigurationName() {
	+ return 'pmd';
	+ }
	+
	+ public function getLinterConfigurationOptions() {
	+ $options = array(
	+ 'pmd.command' => array(
	+ 'type' => 'optional string',
	+ 'help' => pht(
	+ 'Specify the subcommand to run, defaults to `pmd`. '.
	+ 'Available subcommands are `pmd` or `cpd`. See the PMD '.
	+ 'documentation for more details.'),
	+ ),
	+ );
	+
	+ return $options + parent::getLinterConfigurationOptions();
	+ }
	+
	+ public function setLinterConfigurationValue($key, $value) {
	+ switch ($key) {
	+ case 'pmd.command':
	+ $this->setSubCommand($value);
	+ return;
	+ }
	+
	+ return parent::setLinterConfigurationValue($key, $value);
	+ }
	+
	+ public function setSubCommand($sub_command) {
	+ $this->subCommand = $sub_command;
	+ return $this;
	+ }
	+
	+ public function getVersion() {
	+ // The pmd executable doesn't appear to actually be able to print a version
	+ // However if you run the binary, the help output gives examples that
	+ // appear to display the version number in paths...
	+ $interpreter = $this->getInterpreter();
	+ $classpath = $this->buildClasspath();
	+ $mainclass = $this->getSubCommandMainClass();
	+
	+ // having the help printout for PMD returns with error code 4.
	+ list($code, $stdout, $stderr) = exec_manual('%s -cp %s %s',
	+ $interpreter, $classpath, $mainclass);
	+
	+ $matches = array();
	+ $regex = '/^\$ pmd-bin-(?P<version>\d+\.\d+\.\d+)/m';
	+ if (preg_match($regex, $stdout, $matches)) {
	+ return $matches['version'];
	+ }
	+ return false;
	+ }
	+
	+ public function getInstallInstructions() {
	+ return pht('Ensure java is configured as interpreter and '.
	+ 'the pmd jar is configured as the binary. If you need to pass '.
	+ 'additional additional JVM arguments include them with the '.
	+ '`interpreter.flags` field. Use the `flags` field to configure pmd '.
	+ 'arguments, including the `-rulesets my_rulesets.xml`. '.
	+ 'You must pass the `-dir` or `--files` argument as the last flag.');
	+ }
	+
	+ protected function getMandatoryFlags() {
	+ $classpath = $this->buildClasspath();
	+ $subcommand_mainclass = $this->getSubCommandMainClass();
	+ $format_option = '-format';
	+ if ($this->subCommand == 'cpd') {
	+ $format_option = '--format';
	+ }
	+
	+ return array(
	+ '-cp',
	+ $classpath,
	+ $subcommand_mainclass,
	+ '-failOnViolation',
	+ 'false',
	+ $format_option,
	+ 'xml',
	+ );
	+ }
	+
	+ public function shouldExpectCommandErrors() {
	+ return false;
	+ }
	+
	+ public function shouldUseInterpreter() {
	+ return true;
	+ }
	+
	+ public function getDefaultBinary() {
	+ return 'pmd-core.jar';
	+ }
	+
	+ public function getDefaultInterpreter() {
	+ return 'java';
	+ }
	+
	+ protected function getMandatoryInterpreterFlags() {
	+ // this causes the jar binary to be interpreted as classpath
	+ // later to be overwritten with a full classpath during execution
	+ return array('-cp');
	+ }
	+
	+ protected function parseLinterOutput($path, $err, $stdout, $stderr) {
	+ $messages = array();
	+
	+ if (strlen(trim($stdout)) == 0) {
	+ return $messages;
	+ }
	+
	+ $dom = new DOMDocument();
	+ $ok = @$dom->loadXML($stdout);
	+
	+ if (!$ok) {
	+ return false;
	+ }
	+
	+ $pmd = $dom->getElementsByTagName('pmd');
	+ if ($pmd) {
	+ foreach ($pmd as $pmd_node) {
	+ $messages = array_merge($messages,
	+ $this->parsePmdNodeToLintMessages($pmd_node));
	+ }
	+ }
	+
	+ $cpd = $dom->getElementsByTagName('pmd-cpd');
	+ if ($cpd) {
	+ foreach ($cpd as $cpd_node) {
	+ $messages = array_merge($messages,
	+ $this->parseCpdNodeToLintMessages($cpd_node, $messages));
	+ }
	+ }
	+
	+ return $messages;
	+ }
	+
	+ private function parsePmdNodeToLintMessages($pmd) {
	+ $messages = array();
	+
	+ $files = $pmd->getElementsByTagName('file');
	+ foreach ($files as $file) {
	+ $violations = $file->getElementsByTagName('violation');
	+ foreach ($violations as $violation) {
	+ $message = new ArcanistLintMessage();
	+ $message->setPath($file->getAttribute('name'));
	+ $message->setLine($violation->getAttribute('beginline'));
	+ $message->setCode('PMD');
	+
	+ // include the ruleset and the rule
	+ $message->setName($violation->getAttribute('ruleset').
	+ ': '.$violation->getAttribute('rule'));
	+
	+ $description = '';
	+ if (property_exists($violation, 'firstChild')) {
	+ $first_child = $violation->firstChild;
	+ if (property_exists($first_child, 'wholeText')) {
	+ $description = $first_child->wholeText;
	+ }
	+ }
	+
	+ // unescape the XML written out by pmd's XMLRenderer
	+ if ($description) {
	+ // these 4 characters use specific XML-escape codes
	+ $description = str_replace(
	+ ['&', '"', '<', '>'],
	+ ['&', '"', '<', '>'],
	+ $description);
	+
	+ // everything else is hex-code escaped
	+ $escaped_chars = array();
	+ preg_replace_callback(
	+ '/&#x(?P<hexcode>[a-f\|A-F\|0-9]+);/',
	+ array($this, 'callbackReplaceMatchesWithHexcode'),
	+ $description);
	+
	+ $message->setDescription($description);
	+ }
	+
	+ $column = $violation->getAttribute('begincolumn');
	+ if ($column) {
	+ $message->setChar($column);
	+ }
	+
	+ $severity = $violation->getAttribute('priority');
	+ switch ($severity) {
	+ case '1':
	+ $message->setSeverity(ArcanistLintSeverity::SEVERITY_ERROR);
	+ break;
	+ case '2':
	+ $message->setSeverity(ArcanistLintSeverity::SEVERITY_WARNING);
	+ break;
	+ case '3':
	+ case '4':
	+ case '5':
	+ $message->setSeverity(ArcanistLintSeverity::SEVERITY_ADVICE);
	+ break;
	+
	+ // The above five are the only valid PMD priorities,
	+ // this is for completion as well as preparing for future severities
	+ default:
	+ $message->setSeverity(ArcanistLintSeverity::SEVERITY_WARNING);
	+ break;
	+ }
	+
	+ $messages[] = $message;
	+ }
	+ }
	+
	+ return $messages;
	+ }
	+
	+ private function parseCpdNodeToLintMessages($cpd_node, array $messages) {
	+ $dups = $cpd_node->getElementsByTagName('duplication');
	+ foreach ($dups as $dup) {
	+ $files = $dup->getElementsByTagName('file');
	+ $code_nodes = $dup->getElementsByTagName('codefragment');
	+
	+ $description = pht('Duplicated code locations: ');
	+ foreach ($files as $file) {
	+ $description .=
	+ $file->getAttribute('path').':'.$file->getAttribute('line').', ';
	+ }
	+
	+ reset($files);
	+ foreach ($files as $file) {
	+ $message = new ArcanistLintMessage();
	+ $message->setPath($file->getAttribute('path'));
	+ $message->setLine($file->getAttribute('line'));
	+ $message->setCode('CPD');
	+ $message->setName('Copy/Paste Detector');
	+ $message->setDescription($description);
	+ $message->setSeverity(ArcanistLintSeverity::SEVERITY_WARNING);
	+
	+ $messages[] = $message;
	+ }
	+ }
	+
	+ return $messages;
	+ }
	+
	+ private function buildClasspath() {
	+ $jar_files = array();
	+ $lib_path = Filesystem::resolvePath($this->getBinary());
	+ $lib_path = substr($lib_path, 0, strrpos($lib_path, DIRECTORY_SEPARATOR));
	+
	+ $lib_path_contents = Filesystem::listDirectory($lib_path);
	+ foreach ($lib_path_contents as $lib_path_file) {
	+ if (preg_match('/\.jar$/', $lib_path_file)) {
	+ $jar_files[] = $lib_path.DIRECTORY_SEPARATOR.$lib_path_file;
	+ }
	+ }
	+ return implode(PATH_SEPARATOR, $jar_files);
	+ }
	+
	+ private function getSubCommandMainClass() {
	+ $command_mainclass = '';
	+ switch ($this->subCommand) {
	+ case 'pmd':
	+ $command_mainclass = 'net.sourceforge.pmd.PMD';
	+ break;
	+ case 'cpd':
	+ $command_mainclass = 'net.sourceforge.pmd.cpd.CPD';
	+ break;
	+ }
	+ return $command_mainclass;
	+ }
	+
	+ private function callbackReplaceMatchesWithHexcode($matches) {
	+ return $this->convertHexToBin($matches['hexcode']);
	+ }
	+
	+ /**
	+ * This is a replacement for hex2bin() which is only available in PHP 5.4+.
	+ * Returns the ascii interpretation of a given hexadecimal string.
	+ *
	+ * @param $str string The hexadecimal string to interpret
	+ *
	+ * @return string The string of characters represented by the given hex codes
	+ */
	+ private function convertHexToBin($str) {
	+ $sbin = '';
	+ $len = strlen($str);
	+ for ($i = 0; $i < $len; $i += 2) {
	+ $sbin .= pack('H*', substr($str, $i, 2));
	+ }
	+ return $sbin;
	+ }
	+}
	diff --git a/src/lint/linter/__tests__/ArcanistCheckstyleLinterTestCase.php b/src/lint/linter/__tests__/ArcanistCheckstyleLinterTestCase.php
	new file mode 100644
	--- /dev/null
	+++ b/src/lint/linter/__tests__/ArcanistCheckstyleLinterTestCase.php
	@@ -0,0 +1,17 @@
	+<?php
	+
	+final class ArcanistCheckstyleLinterTestCase
	+ extends ArcanistExternalLinterTestCase {
	+
	+ protected function getLinter() {
	+ $linter = parent::getLinter();
	+ $linter->setBinary('/usr/local/bin/checkstyle-6.13-all.jar');
	+ $linter->setFlags(
	+ array('-c', dirname(__FILE__).'/checkstyle/google_checks.xml'));
	+ return $linter;
	+ }
	+
	+ public function testLinter() {
	+ $this->executeTestsInDirectory(dirname(__FILE__).'/checkstyle/');
	+ }
	+}
	diff --git a/src/lint/linter/__tests__/ArcanistLinterTestCase.php b/src/lint/linter/__tests__/ArcanistLinterTestCase.php
	--- a/src/lint/linter/__tests__/ArcanistLinterTestCase.php
	+++ b/src/lint/linter/__tests__/ArcanistLinterTestCase.php
	@@ -60,9 +60,9 @@
	'~~~~~~~~~~'));
	}

	- list($data, $expect, $xform, $config) = array_merge(
	+ list($data, $expect, $xform, $config, $tmp_filename) = array_merge(
	$contents,
	- array(null, null));
	+ array(null, null, null));

	$basename = basename($file);

	@@ -87,7 +87,10 @@
	$caught_exception = false;

	try {
	- $tmp = new TempFile($basename);
	+ if (!$tmp_filename) {
	+ $tmp_filename = $basename;
	+ }
	+ $tmp = new TempFile($tmp_filename);
	Filesystem::writeFile($tmp, $data);
	$full_path = (string)$tmp;

	diff --git a/src/lint/linter/__tests__/ArcanistPMDLinterTestCase.php b/src/lint/linter/__tests__/ArcanistPMDLinterTestCase.php
	new file mode 100644
	--- /dev/null
	+++ b/src/lint/linter/__tests__/ArcanistPMDLinterTestCase.php
	@@ -0,0 +1,16 @@
	+<?php
	+
	+final class ArcanistPMDLinterTestCase
	+ extends ArcanistExternalLinterTestCase {
	+
	+ protected function getLinter() {
	+ $linter = parent::getLinter();
	+ $linter->setBinary('/usr/local/pmd/pmd-bin-5.4.1/lib/pmd-core-5.4.1.jar');
	+ return $linter;
	+ }
	+
	+ public function testLinter() {
	+ $this->executeTestsInDirectory(dirname(__FILE__).'/pmd/');
	+ }
	+
	+}
	diff --git a/src/lint/linter/__tests__/checkstyle/google_checks.lint-test b/src/lint/linter/__tests__/checkstyle/google_checks.lint-test
	new file mode 100644
	--- /dev/null
	+++ b/src/lint/linter/__tests__/checkstyle/google_checks.lint-test
	@@ -0,0 +1,28 @@
	+public class TestingCheckstyle {
	+ public static void main(String[] args)
	+ {
	+ System.out.println()
	+ }
	+
	+ private class A{
	+
	+ @Override public String m() { return null; }
	+ }
	+}
	+~~~~~~~~~~
	+warning:1:
	+warning:3:3
	+warning:4:
	+warning:7:18
	+warning:9:
	+warning:9:31
	+warning:9:46
	+~~~~~~~~~~
	+~~~~~~~~~~
	+{
	+ "config": {
	+ "checkstyle.fully-qualify-sourcename": false
	+ }
	+}
	+~~~~~~~~~~
	+google_checks.lint-test.java
	diff --git a/src/lint/linter/__tests__/checkstyle/google_checks.xml b/src/lint/linter/__tests__/checkstyle/google_checks.xml
	new file mode 100644
	--- /dev/null
	+++ b/src/lint/linter/__tests__/checkstyle/google_checks.xml
	@@ -0,0 +1,206 @@
	+<?xml version="1.0"?>
	+<!DOCTYPE module PUBLIC
	+ "-//Puppy Crawl//DTD Check Configuration 1.3//EN"
	+ "http://www.puppycrawl.com/dtds/configuration_1_3.dtd">
	+
	+<!--
	+
	+ Checkstyle configuration that checks the Google coding conventions from:
	+
	+ - Google Java Style
	+ https://google-styleguide.googlecode.com/svn-history/r130/trunk/javaguide.html
	+
	+ Checkstyle is very configurable. Be sure to read the documentation at
	+ http://checkstyle.sf.net (or in your downloaded distribution).
	+
	+ Most Checks are configurable, be sure to consult the documentation.
	+
	+ To completely disable a check, just comment it out or delete it from the file.
	+
	+ Authors: Max Vetrenko, Ruslan Diachenko, Roman Ivanov.
	+
	+ -->
	+
	+<module name = "Checker">
	+ <property name="charset" value="UTF-8"/>
	+
	+ <property name="severity" value="warning"/>
	+
	+ <property name="fileExtensions" value="java, properties, xml"/>
	+ <!-- Checks for whitespace -->
	+ <!-- See http://checkstyle.sf.net/config_whitespace.html -->
	+ <module name="FileTabCharacter">
	+ <property name="eachLine" value="true"/>
	+ </module>
	+
	+ <module name="TreeWalker">
	+ <module name="OuterTypeFilename"/>
	+ <module name="IllegalTokenText">
	+ <property name="tokens" value="STRING_LITERAL, CHAR_LITERAL"/>
	+ <property name="format" value="\\u00(08\|09\|0(a\|A)\|0(c\|C)\|0(d\|D)\|22\|27\|5(C\|c))\|\\(0(10\|11\|12\|14\|15\|42\|47)\|134)"/>
	+ <property name="message" value="Avoid using corresponding octal or Unicode escape."/>
	+ </module>
	+ <module name="AvoidEscapedUnicodeCharacters">
	+ <property name="allowEscapesForControlCharacters" value="true"/>
	+ <property name="allowByTailComment" value="true"/>
	+ <property name="allowNonPrintableEscapes" value="true"/>
	+ </module>
	+ <module name="LineLength">
	+ <property name="max" value="100"/>
	+ <property name="ignorePattern" value="^package.\|^import.\|a href\|href\|http://\|https://\|ftp://"/>
	+ </module>
	+ <module name="AvoidStarImport"/>
	+ <module name="OneTopLevelClass"/>
	+ <module name="NoLineWrap"/>
	+ <module name="EmptyBlock">
	+ <property name="option" value="TEXT"/>
	+ <property name="tokens" value="LITERAL_TRY, LITERAL_FINALLY, LITERAL_IF, LITERAL_ELSE, LITERAL_SWITCH"/>
	+ </module>
	+ <module name="NeedBraces"/>
	+ <module name="LeftCurly">
	+ <property name="maxLineLength" value="100"/>
	+ </module>
	+ <module name="RightCurly"/>
	+ <module name="RightCurly">
	+ <property name="option" value="alone"/>
	+ <property name="tokens" value="CLASS_DEF, METHOD_DEF, CTOR_DEF, LITERAL_FOR, LITERAL_WHILE, LITERAL_DO, STATIC_INIT, INSTANCE_INIT"/>
	+ </module>
	+ <module name="WhitespaceAround">
	+ <property name="allowEmptyConstructors" value="true"/>
	+ <property name="allowEmptyMethods" value="true"/>
	+ <property name="allowEmptyTypes" value="true"/>
	+ <property name="allowEmptyLoops" value="true"/>
	+ <message key="ws.notFollowed"
	+ value="WhitespaceAround: ''{0}'' is not followed by whitespace. Empty blocks may only be represented as '{}' when not part of a multi-block statement (4.1.3)"/>
	+ <message key="ws.notPreceded"
	+ value="WhitespaceAround: ''{0}'' is not preceded with whitespace."/>
	+ </module>
	+ <module name="OneStatementPerLine"/>
	+ <module name="MultipleVariableDeclarations"/>
	+ <module name="ArrayTypeStyle"/>
	+ <module name="MissingSwitchDefault"/>
	+ <module name="FallThrough"/>
	+ <module name="UpperEll"/>
	+ <module name="ModifierOrder"/>
	+ <module name="EmptyLineSeparator">
	+ <property name="allowNoEmptyLineBetweenFields" value="true"/>
	+ </module>
	+ <module name="SeparatorWrap">
	+ <property name="tokens" value="DOT"/>
	+ <property name="option" value="nl"/>
	+ </module>
	+ <module name="SeparatorWrap">
	+ <property name="tokens" value="COMMA"/>
	+ <property name="option" value="EOL"/>
	+ </module>
	+ <module name="PackageName">
	+ <property name="format" value="^[a-z]+(\.[a-z][a-z0-9])$"/>
	+ <message key="name.invalidPattern"
	+ value="Package name ''{0}'' must match pattern ''{1}''."/>
	+ </module>
	+ <module name="TypeName">
	+ <message key="name.invalidPattern"
	+ value="Type name ''{0}'' must match pattern ''{1}''."/>
	+ </module>
	+ <module name="MemberName">
	+ <property name="format" value="^[a-z][a-z0-9][a-zA-Z0-9]*$"/>
	+ <message key="name.invalidPattern"
	+ value="Member name ''{0}'' must match pattern ''{1}''."/>
	+ </module>
	+ <module name="ParameterName">
	+ <property name="format" value="^[a-z][a-z0-9][a-zA-Z0-9]*$"/>
	+ <message key="name.invalidPattern"
	+ value="Parameter name ''{0}'' must match pattern ''{1}''."/>
	+ </module>
	+ <module name="LocalVariableName">
	+ <property name="tokens" value="VARIABLE_DEF"/>
	+ <property name="format" value="^[a-z][a-z0-9][a-zA-Z0-9]*$"/>
	+ <property name="allowOneCharVarInForLoop" value="true"/>
	+ <message key="name.invalidPattern"
	+ value="Local variable name ''{0}'' must match pattern ''{1}''."/>
	+ </module>
	+ <module name="ClassTypeParameterName">
	+ <property name="format" value="(^[A-Z][0-9]?)$\|([A-Z][a-zA-Z0-9]*[T]$)"/>
	+ <message key="name.invalidPattern"
	+ value="Class type name ''{0}'' must match pattern ''{1}''."/>
	+ </module>
	+ <module name="MethodTypeParameterName">
	+ <property name="format" value="(^[A-Z][0-9]?)$\|([A-Z][a-zA-Z0-9]*[T]$)"/>
	+ <message key="name.invalidPattern"
	+ value="Method type name ''{0}'' must match pattern ''{1}''."/>
	+ </module>
	+ <module name="NoFinalizer"/>
	+ <module name="GenericWhitespace">
	+ <message key="ws.followed"
	+ value="GenericWhitespace ''{0}'' is followed by whitespace."/>
	+ <message key="ws.preceded"
	+ value="GenericWhitespace ''{0}'' is preceded with whitespace."/>
	+ <message key="ws.illegalFollow"
	+ value="GenericWhitespace ''{0}'' should followed by whitespace."/>
	+ <message key="ws.notPreceded"
	+ value="GenericWhitespace ''{0}'' is not preceded with whitespace."/>
	+ </module>
	+ <module name="Indentation">
	+ <property name="basicOffset" value="2"/>
	+ <property name="braceAdjustment" value="0"/>
	+ <property name="caseIndent" value="2"/>
	+ <property name="throwsIndent" value="4"/>
	+ <property name="lineWrappingIndentation" value="4"/>
	+ <property name="arrayInitIndent" value="2"/>
	+ </module>
	+ <module name="AbbreviationAsWordInName">
	+ <property name="ignoreFinal" value="false"/>
	+ <property name="allowedAbbreviationLength" value="1"/>
	+ </module>
	+ <module name="OverloadMethodsDeclarationOrder"/>
	+ <module name="VariableDeclarationUsageDistance"/>
	+ <module name="CustomImportOrder">
	+ <property name="specialImportsRegExp" value="com.google"/>
	+ <property name="sortImportsInGroupAlphabetically" value="true"/>
	+ <property name="customImportOrderRules" value="STATIC###SPECIAL_IMPORTS###THIRD_PARTY_PACKAGE###STANDARD_JAVA_PACKAGE"/>
	+ </module>
	+ <module name="MethodParamPad"/>
	+ <module name="OperatorWrap">
	+ <property name="option" value="NL"/>
	+ <property name="tokens" value="BAND, BOR, BSR, BXOR, DIV, EQUAL, GE, GT, LAND, LE, LITERAL_INSTANCEOF, LOR, LT, MINUS, MOD, NOT_EQUAL, PLUS, QUESTION, SL, SR, STAR "/>
	+ </module>
	+ <module name="AnnotationLocation">
	+ <property name="tokens" value="CLASS_DEF, INTERFACE_DEF, ENUM_DEF, METHOD_DEF, CTOR_DEF"/>
	+ </module>
	+ <module name="AnnotationLocation">
	+ <property name="tokens" value="VARIABLE_DEF"/>
	+ <property name="allowSamelineMultipleAnnotations" value="true"/>
	+ </module>
	+ <module name="NonEmptyAtclauseDescription"/>
	+ <module name="JavadocTagContinuationIndentation"/>
	+ <module name="SummaryJavadocCheck">
	+ <property name="forbiddenSummaryFragments" value="^@return the *\|^This method returns \|^A [{]@code [a-zA-Z0-9]+[}]( is a )"/>
	+ </module>
	+ <module name="JavadocParagraph"/>
	+ <module name="AtclauseOrder">
	+ <property name="tagOrder" value="@param, @return, @throws, @deprecated"/>
	+ <property name="target" value="CLASS_DEF, INTERFACE_DEF, ENUM_DEF, METHOD_DEF, CTOR_DEF, VARIABLE_DEF"/>
	+ </module>
	+ <module name="JavadocMethod">
	+ <property name="scope" value="public"/>
	+ <property name="allowMissingParamTags" value="true"/>
	+ <property name="allowMissingThrowsTags" value="true"/>
	+ <property name="allowMissingReturnTag" value="true"/>
	+ <property name="minLineCount" value="2"/>
	+ <property name="allowedAnnotations" value="Override, Test"/>
	+ <property name="allowThrowsTagsForSubclasses" value="true"/>
	+ </module>
	+ <module name="MethodName">
	+ <property name="format" value="^[a-z][a-z0-9][a-zA-Z0-9_]*$"/>
	+ <message key="name.invalidPattern"
	+ value="Method name ''{0}'' must match pattern ''{1}''."/>
	+ </module>
	+ <module name="SingleLineJavadoc">
	+ <property name="ignoreInlineTags" value="false"/>
	+ </module>
	+ <module name="EmptyCatchBlock">
	+ <property name="exceptionVariableName" value="expected"/>
	+ </module>
	+ <module name="CommentsIndentation"/>
	+ </module>
	+</module>
	diff --git a/src/lint/linter/__tests__/pmd/cpd.lint-test b/src/lint/linter/__tests__/pmd/cpd.lint-test
	new file mode 100644
	--- /dev/null
	+++ b/src/lint/linter/__tests__/pmd/cpd.lint-test
	@@ -0,0 +1,60 @@
	+public class TestingCPD {
	+ public static void main(String[] args)
	+ {
	+ boolean b = true;
	+ if (b && b \|\| !b && !b) {
	+ System.out.println();
	+ }
	+
	+ boolean b = true;
	+ if (b && b \|\| !b && !b) {
	+ System.out.println();
	+ }
	+
	+ boolean b = true;
	+ if (b && b \|\| !b && !b) {
	+ System.out.println();
	+ }
	+
	+ boolean b = true;
	+ if (b && b \|\| !b && !b) {
	+ System.out.println();
	+ }
	+
	+ boolean b = true;
	+ if (b && b \|\| !b && !b) {
	+ System.out.println();
	+ }
	+
	+ boolean b = true;
	+ if (b && b \|\| !b && !b) {
	+ System.out.println();
	+ }
	+
	+ boolean b = true;
	+ if (b && b \|\| !b && !b) {
	+ System.out.println();
	+ }
	+ }
	+}
	+~~~~~~~~~~
	+warning:4:
	+warning:24:
	+warning:4:
	+warning:29:
	+warning:4:
	+warning:34:
	+~~~~~~~~~~
	+~~~~~~~~~~
	+{
	+ "config": {
	+ "pmd.command": "cpd",
	+ "flags": [
	+ "--minimum-tokens",
	+ "25",
	+ "--files"
	+ ]
	+ }
	+}
	+~~~~~~~~~~
	+cpd.lint-test.java
	\ No newline at end of file
	diff --git a/src/lint/linter/__tests__/pmd/pmd.lint-test b/src/lint/linter/__tests__/pmd/pmd.lint-test
	new file mode 100644
	--- /dev/null
	+++ b/src/lint/linter/__tests__/pmd/pmd.lint-test
	@@ -0,0 +1,30 @@
	+public class TestingPMD {
	+ public static void main(String[] args)
	+ {
	+ System.out.println();
	+ }
	+
	+ private class A{
	+
	+ @Override public String m() { return null; }
	+ }
	+}
	+~~~~~~~~~~
	+advice:1:8
	+advice:7:11
	+advice:7:11
	+advice:9:27
	+~~~~~~~~~~
	+~~~~~~~~~~
	+{
	+ "config": {
	+ "pmd.command": "pmd",
	+ "flags": [
	+ "-rulesets",
	+ "rulesets/java/naming.xml",
	+ "-dir"
	+ ]
	+ }
	+}
	+~~~~~~~~~~
	+pmd.lint-test.java
	\ No newline at end of file

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