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Code Issues Releases Wiki Activity

Modernize ArcanistScalaSBTLinter.

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Summary: Ref T2039. Convert the `ArcanistScalaSBTLinter` into an `ArcanistExternalLinter` and make it compatible with `.arclint`.

Test Plan: I can't really test this because I don't have any Scala projects and we don't have any test cases.

Reviewers: #blessed_reviewers, epriestley

Reviewed By: #blessed_reviewers, epriestley

Subscribers: codeblock, epriestley, Korvin

Maniphest Tasks: T2039

Differential Revision: https://secure.phabricator.com/D9097
This commit is contained in:
Joshua Spence 2014-05-18 10:49:22 -07:00 committed by epriestley
parent 178b32c6c2
commit 6c1bae437e
2 changed files with 74 additions and 42 deletions
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2
src/__phutil_library_map__.php
View file

@ -311,7 +311,7 @@ phutil_register_library_map(array(
'ArcanistRevertWorkflow' => 'ArcanistBaseWorkflow',
'ArcanistRubyLinter' => 'ArcanistExternalLinter',
'ArcanistRubyLinterTestCase' => 'ArcanistArcanistLinterTestCase',
'ArcanistScalaSBTLinter' => 'ArcanistLinter',
'ArcanistScalaSBTLinter' => 'ArcanistExternalLinter',
'ArcanistScriptAndRegexLinter' => 'ArcanistLinter',
'ArcanistSetConfigWorkflow' => 'ArcanistBaseWorkflow',
'ArcanistShellCompleteWorkflow' => 'ArcanistBaseWorkflow',

114
src/lint/linter/ArcanistScalaSBTLinter.php
View file

@ -3,60 +3,78 @@
/**
* Uses `sbt compile` to detect various warnings/errors in Scala code.
*/
final class ArcanistScalaSBTLinter extends ArcanistLinter {
final class ArcanistScalaSBTLinter extends ArcanistExternalLinter {
public function getInfoName() {
return 'sbt';
}
public function getInfoURI() {
return 'http://www.scala-sbt.org';
}
public function getInfoDescription() {
return pht('sbt is a build tool for Scala, Java, and more.');
}
public function getLinterName() {
return 'ScalaSBT';
}
public function canRun() {
// Check if this looks like a SBT project. If it doesn't, throw, because
// we rely fairly heavily on `sbt compile` working, below. We don't want
// to call out to scalac ourselves, because then we'll end up in Class Path
// Hell. We let the build system handle this for us.
if (!Filesystem::pathExists('project/Build.scala') &&
!Filesystem::pathExists('build.sbt')) {
public function getLinterConfigurationName() {
return 'scala-sbt';
}
public function getDefaultBinary() {
$prefix = $this->getDeprecatedConfiguration('lint.scala_sbt.prefix');
$bin = 'sbt';
if ($prefix) {
return $prefix.'/'.$bin;
} else {
return $bin;
}
}
public function getVersion() {
// NOTE: `sbt --version` returns a non-zero exit status.
list($err, $stdout) = exec_manual(
'%C --version',
$this->getExecutableCommand());
$matches = array();
$regex = '/^sbt launcher version (?P<version>\d+\.\d+\.\d+)$/';
if (preg_match($regex, $stdout, $matches)) {
return $matches['version'];
} else {
return false;
}
}
public function getInstallInstructions() {
return pht(
'Check <http://www.scala-sbt.org> for installation instructions.');
}
public function shouldExpectCommandErrors() {
return true;
}
private function getSBTPath() {
$sbt_bin = "sbt";
$prefix = $this->getDeprecatedConfiguration('lint.scala_sbt.prefix');
if ($prefix !== null) {
$sbt_bin = $prefix . $sbt_bin;
protected function getMandatoryFlags() {
return array(
'-Dsbt.log.noformat=true',
'compile',
);
}
return $sbt_bin;
}
private function getMessageCodeSeverity($type_of_error) {
switch ($type_of_error) {
case 'warn':
return ArcanistLintSeverity::SEVERITY_WARNING;
case 'error':
return ArcanistLintSeverity::SEVERITY_ERROR;
}
}
public function lintPath($path) {
$sbt = $this->getSBTPath();
// Tell SBT to not use color codes so our regex life is easy.
// TODO: Should this be "clean compile" instead of "compile"?
$f = new ExecFuture("%s -Dsbt.log.noformat=true compile", $sbt);
list($err, $stdout, $stderr) = $f->resolve();
$lines = explode("\n", $stdout);
protected function parseLinterOutput($path, $err, $stdout, $stderr) {
$lines = phutil_split_lines($stdout, false);
$messages = array();
foreach ($lines as $line) {
$matches = null;
if (!preg_match(
"/\[(warn|error)\] (.*?):(\d+): (.*?)$/",
$line,
$matches)) {
$regex = '/\[(warn|error)\] (.*?):(\d+): (.*?)$/';
if (!preg_match($regex, $line, $matches)) {
continue;
}
foreach ($matches as $key => $match) {
@ -68,9 +86,23 @@ final class ArcanistScalaSBTLinter extends ArcanistLinter {
$message->setLine($matches[3]);
$message->setCode($this->getLinterName());
$message->setDescription($matches[4]);
$message->setSeverity($this->getMessageCodeSeverity($matches[1]));
$this->addLintMessage($message);
switch ($matches[1]) {
case 'error':
$message->setSeverity(ArcanistLintSeverity::SEVERITY_ERROR);
break;
case 'warn':
$message->setSeverity(ArcanistLintSeverity::SEVERITY_WARNING);
break;
default:
$message->setSeverity(ArcanistLintSeverity::SEVERITY_ADVICE);
break;
}
$messages[] = $message;
}
return $messages;
}
}