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Code Issues Releases Wiki Activity

Memoize PHP compatibility info

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Summary: Ref T7892. Avoid reading the PHP compatibility information for every file being linted.

Test Plan:
```name=Before
real    1m24.327s
user    1m19.571s
sys 0m5.239s
```

```lang=After
real    1m12.029s
user    1m5.756s
sys 0m5.502s
```

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: Korvin, epriestley

Maniphest Tasks: T7892

Differential Revision: https://secure.phabricator.com/D12518
This commit is contained in:
Joshua Spence 2015-04-23 20:14:46 +10:00
parent f4aadb9604
commit d6f4bded25
1 changed files with 7 additions and 3 deletions
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10
src/lint/linter/ArcanistXHPASTLinter.php
View file

@ -500,13 +500,17 @@ final class ArcanistXHPASTLinter extends ArcanistBaseXHPASTLinter {
}
private function lintPHPCompatibility(XHPASTNode $root) {
static $compat_info;
if (!$this->version) {
return;
}
$target = phutil_get_library_root('phutil').
'/../resources/php_compat_info.json';
$compat_info = phutil_json_decode(Filesystem::readFile($target));
if ($compat_info === null) {
$target = phutil_get_library_root('phutil').
'/../resources/php_compat_info.json';
$compat_info = phutil_json_decode(Filesystem::readFile($target));
}
// Create a whitelist for symbols which are being used conditionally.
$whitelist = array(