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Modernize ArcanistCpplintLinter
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Summary: Convert the `cpplint.py` wrapper linter to `ArcanistExternalLinter`. This is in preparation for T2039. Test Plan: `arc unit`. Reviewers: epriestley, #blessed_reviewers Reviewed By: epriestley, #blessed_reviewers Subscribers: epriestley, Korvin Maniphest Tasks: T2039 Differential Revision: https://secure.phabricator.com/D9033
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2 changed files with 54 additions and 45 deletions
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@ -225,7 +225,7 @@ phutil_register_library_map(array(
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'ArcanistConfigurationDrivenLintEngine' => 'ArcanistLintEngine',
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'ArcanistCoverWorkflow' => 'ArcanistBaseWorkflow',
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'ArcanistCppcheckLinter' => 'ArcanistLinter',
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'ArcanistCpplintLinter' => 'ArcanistLinter',
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'ArcanistCpplintLinter' => 'ArcanistExternalLinter',
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'ArcanistCpplintLinterTestCase' => 'ArcanistArcanistLinterTestCase',
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'ArcanistDiffParserTestCase' => 'ArcanistTestCase',
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'ArcanistDiffUtilsTestCase' => 'ArcanistTestCase',
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@ -1,68 +1,56 @@
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<?php
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/**
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* Uses google's cpplint.py to check code.
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*
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* You can get it here:
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* http://google-styleguide.googlecode.com/svn/trunk/cpplint/cpplint.py
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* @group linter
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* Uses Google's `cpplint.py` to check code.
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*/
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final class ArcanistCpplintLinter extends ArcanistLinter {
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final class ArcanistCpplintLinter extends ArcanistExternalLinter {
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public function getLinterName() {
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return 'cpplint.py';
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return 'CPPLINT';
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}
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public function getLintOptions() {
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$config = $this->getEngine()->getConfigurationManager();
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return $config->getConfigFromAnySource('lint.cpplint.options', '');
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public function getLinterConfigurationName() {
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return 'cpplint';
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}
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public function getLintPath() {
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public function getDefaultBinary() {
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// TODO: Warn that all of this is deprecated.
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$config = $this->getEngine()->getConfigurationManager();
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$prefix = $config->getConfigFromAnySource('lint.cpplint.prefix');
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$bin = $config->getConfigFromAnySource('lint.cpplint.bin', 'cpplint.py');
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if ($prefix !== null) {
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if (!Filesystem::pathExists($prefix.'/'.$bin)) {
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throw new ArcanistUsageException(
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"Unable to find cpplint.py binary in a specified directory. Make ".
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"sure that 'lint.cpplint.prefix' and 'lint.cpplint.bin' keys are ".
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"set correctly. If you'd rather use a copy of cpplint installed ".
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"globally, you can just remove these keys from your .arcconfig.");
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}
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return csprintf("%s/%s", $prefix, $bin);
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}
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// Look for globally installed cpplint.py
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list($err) = exec_manual('which %s', $bin);
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if ($err) {
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throw new ArcanistUsageException(
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"cpplint.py does not appear to be installed on this system. Install ".
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"it (e.g., with 'wget \"http://google-styleguide.googlecode.com/".
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"svn/trunk/cpplint/cpplint.py\"') or configure 'lint.cpplint.prefix' ".
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"in your .arcconfig to point to the directory where it resides. ".
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"Also don't forget to chmod a+x cpplint.py!");
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}
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if ($prefix) {
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return $prefix.'/'.$bin;
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} else {
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return $bin;
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}
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public function lintPath($path) {
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$bin = $this->getLintPath();
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$options = $this->getLintOptions();
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$f = new ExecFuture("%C %C -", $bin, $options);
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$f->write($this->getData($path));
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list($err, $stdout, $stderr) = $f->resolve();
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if ($err === 2) {
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throw new Exception("cpplint failed to run correctly:\n".$stderr);
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}
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public function getInstallInstructions() {
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return pht('Install cpplint.py using `wget http://google-styleguide.'.
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'googlecode.com/svn/trunk/cpplint/cpplint.py`.');
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}
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public function shouldExpectCommandErrors() {
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return true;
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}
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public function supportsReadDataFromStdin() {
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return true;
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}
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public function getReadDataFromStdinFilename() {
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return '-';
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}
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protected function getDefaultFlags() {
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$config = $this->getEngine()->getConfigurationManager();
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return $config->getConfigFromAnySource('lint.cpplint.options', array());
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}
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protected function parseLinterOutput($path, $err, $stdout, $stderr) {
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$lines = explode("\n", $stderr);
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$messages = array();
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foreach ($lines as $line) {
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$line = trim($line);
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@ -81,8 +69,29 @@ final class ArcanistCpplintLinter extends ArcanistLinter {
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$message->setName($matches[3]);
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$message->setDescription($matches[2]);
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$message->setSeverity(ArcanistLintSeverity::SEVERITY_WARNING);
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$this->addLintMessage($message);
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$messages[] = $message;
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}
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if ($err && !$messages) {
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return false;
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}
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return $messages;
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}
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protected function getLintCodeFromLinterConfigurationKey($code) {
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if (!preg_match('@^[a-z_]+/[a-z_]+$@', $code)) {
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throw new Exception(
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pht(
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'Unrecognized lint message code "%s". Expected a valid cpplint '.
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'lint code like "%s" or "%s".',
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$code,
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'build/include_order',
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'whitespace/braces'));
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}
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return $code;
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}
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}
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