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Issue a warning if javelinsymbols is not built

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Summary:
Currently, the Javelin linter fails completley if this binary is missing.
However, it's hard to build and not critical so just issue a warning.

Eventually we can document this better and make the build easier, but the
current behavior is pretty unfriendly so make it smoother until the state of the
world can be improved.

Test Plan:
Removed the binary and ran "arc lint --lintall" against multiple Javelin paths.
Received one warning. Restored the binary and ran with "--trace", got no
warnings and verified that the binary was running.

Reviewed By: jungejason
Reviewers: tuomaspelkonen, jungejason, aran, tomo
CC: aran, jungejason
Differential Revision: 265
This commit is contained in:
epriestley 2011-05-11 05:11:59 -07:00
parent c6beb7a4fb
commit f36c852542
2 changed files with 43 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

46
src/infrastructure/lint/linter/javelin/PhabricatorJavelinLinter.php
View file

@ -20,12 +20,25 @@ class PhabricatorJavelinLinter extends ArcanistLinter {
private $symbols = array();
private $haveSymbolsBinary;
private $haveWarnedAboutBinary;
const LINT_PRIVATE_ACCESS = 1;
const LINT_MISSING_DEPENDENCY = 2;
const LINT_UNNECESSARY_DEPENDENCY = 3;
const LINT_UNKNOWN_DEPENDENCY = 4;
const LINT_MISSING_BINARY = 5;
public function willLintPaths(array $paths) {
if ($this->haveSymbolsBinary === null) {
$binary = $this->getSymbolsBinaryPath();
$this->haveSymbolsBinary = Filesystem::pathExists($binary);
if (!$this->haveSymbolsBinary) {
return;
}
}
$futures = array();
foreach ($paths as $path) {
$future = $this->newSymbolsFuture($path);
@ -42,7 +55,9 @@ class PhabricatorJavelinLinter extends ArcanistLinter {
}
public function getLintSeverityMap() {
return array();
return array(
self::LINT_MISSING_BINARY => ArcanistLintSeverity::SEVERITY_WARNING,
);
}
public function getLintNameMap() {
@ -51,11 +66,28 @@ class PhabricatorJavelinLinter extends ArcanistLinter {
self::LINT_MISSING_DEPENDENCY => 'Missing Javelin Dependency',
self::LINT_UNNECESSARY_DEPENDENCY => 'Unnecessary Javelin Dependency',
self::LINT_UNKNOWN_DEPENDENCY => 'Unknown Javelin Dependency',
self::LINT_MISSING_BINARY => '`javelinsymbols` Binary Not Built',
);
}
public function lintPath($path) {
if (!$this->haveSymbolsBinary) {
if (!$this->haveWarnedAboutBinary) {
$this->haveWarnedAboutBinary = true;
// TODO: Write build documentation for the Javelin binaries and point
// the user at it.
$this->raiseLintAtLine(
0,
0,
self::LINT_MISSING_BINARY,
"The 'javelinsymbols' binary in the Javelin project has not been ".
"built, so the Javelin linter can't run. This isn't a big concern, ".
"but means some Javelin problems can't be automatically detected.");
}
return;
}
list($uses, $installs) = $this->getUsedAndInstalledSymbolsForPath($path);
foreach ($uses as $symbol => $line) {
$parts = explode('.', $symbol);
@ -153,16 +185,20 @@ class PhabricatorJavelinLinter extends ArcanistLinter {
}
private function newSymbolsFuture($path) {
$root = dirname(phutil_get_library_root('phabricator'));
$support = $root.'/externals/javelin/support';
$javelinsymbols = $support.'/javelinsymbols/javelinsymbols';
$javelinsymbols = $this->getSymbolsBinaryPath();
$future = new ExecFuture($javelinsymbols.' # '.escapeshellarg($path));
$future->write($this->getData($path));
return $future;
}
private function getSymbolsBinaryPath() {
$root = dirname(phutil_get_library_root('phabricator'));
$support = $root.'/externals/javelin/support';
return $support.'/javelinsymbols/javelinsymbols';
}
private function getUsedAndInstalledSymbolsForPath($path) {
list($symbols) = $this->loadSymbols($path);

2
src/infrastructure/lint/linter/javelin/__init__.php
View file

@ -7,9 +7,11 @@
phutil_require_module('arcanist', 'lint/linter/base');
phutil_require_module('arcanist', 'lint/severity');
phutil_require_module('phabricator', 'infrastructure/celerity/map');
phutil_require_module('phutil', 'filesystem');
phutil_require_module('phutil', 'future');
phutil_require_module('phutil', 'future/exec');
phutil_require_module('phutil', 'moduleutils');