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<?php
/**
* Uses Google's `cpplint` to check code.
*/
final class FnCpplintLinter extends ArcanistExternalLinter {
public function getInfoName() {
return 'CppLint';
}
public function getInfoURI() {
return 'https://github.com/google/styleguide/tree/gh-pages/cpplint';
}
public function getInfoDescription() {
return pht('Google\'s linter for C++ code');
}
public function getLinterName() {
return 'CPPLINT';
}
public function getLinterConfigurationName() {
return 'fn-cpplint';
}
public function getDefaultBinary() {
return 'cpplint';
}
public function getInstallInstructions() {
return pht('`wget https://raw.githubusercontent.com/google/styleguide/gh-pages/cpplint/cpplint.py`');
}
protected function getDefaultMessageSeverity($code) {
return ArcanistLintSeverity::SEVERITY_WARNING;
}
protected function parseLinterOutput($path, $err, $stdout, $stderr) {
$lines = explode("\n", $stderr);
$messages = array();
foreach ($lines as $line) {
$line = trim($line);
$matches = null;
$regex = '/^.+?:(\d+):\s*(.*)\s*\[(.*)\] \[(\d+)\]$/';
if (!preg_match($regex, $line, $matches)) {
continue;
}
foreach ($matches as $key => $match) {
$matches[$key] = trim($match);
}
$severity = $this->getLintMessageSeverity($matches[3]);
$message = new ArcanistLintMessage();
$message->setPath($path);
$message->setLine($matches[1]);
$message->setCode($matches[3]);
$message->setName($matches[3]);
$message->setDescription($matches[2]);
$message->setSeverity($severity);
$messages[] = $message;
}
return $messages;
}
protected function getLintCodeFromLinterConfigurationKey($code) {
if (!preg_match('@^[a-z_]+/[a-z_]+$@', $code)) {
throw new Exception(
pht(
'Unrecognized lint message code "%s". Expected a valid cpplint '.
'lint code like "%s" or "%s".',
$code,
'build/include_order',
'whitespace/braces'));
}
return $code;
}
}
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