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Code Issues Releases Wiki Activity

Improve performance of XHPASTLinter

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Summary:
  - XHPASTLinter + coverage is ass-slow.
  - Use caching/perf options introduced by D1828.

Test Plan:
  - Ran profiling for unit tests with new --xprofile command line flag.
  - Old profile: https://secure.phabricator.com/xhprof/profile/PHID-FILE-uiuwsqa5wulj7eyfkjy2/
  - New profile: https://secure.phabricator.com/xhprof/profile/PHID-FILE-nl635t3jcp2sfo2spzwu/
  - Overall runtime decreased from 18.2s to 3.7s (4.9x performance increase) with coverage enabled.

Reviewers: btrahan

Reviewed By: btrahan

CC: aran, epriestley

Differential Revision: https://secure.phabricator.com/D1829
This commit is contained in:
epriestley 2012-03-08 12:20:46 -08:00
parent 92febf184e
commit 8088b4cdac
1 changed files with 23 additions and 24 deletions
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47
src/lint/linter/xhpast/ArcanistXHPASTLinter.php
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@ -164,6 +164,9 @@ final class ArcanistXHPASTLinter extends ArcanistLinter {
$root = $this->trees[$path]->getRootNode();
$root->buildSelectCache();
$root->buildTokenCache();
$this->lintUseOfThisInStaticMethods($root);
$this->lintDynamicDefines($root);
$this->lintSurpriseConstructors($root);
@ -406,19 +409,18 @@ final class ArcanistXHPASTLinter extends ArcanistLinter {
protected function lintHashComments($root) {
$tokens = $root->getTokens();
foreach ($tokens as $token) {
if ($token->getTypeName() == 'T_COMMENT') {
$value = $token->getValue();
if ($value[0] == '#') {
$this->raiseLintAtOffset(
$token->getOffset(),
self::LINT_COMMENT_STYLE,
'Use "//" single-line comments, not "#".',
'#',
'//');
}
foreach ($root->selectTokensOfType('T_COMMENT') as $comment) {
$value = $comment->getValue();
if ($value[0] != '#') {
continue;
}
$this->raiseLintAtOffset(
$comment->getOffset(),
self::LINT_COMMENT_STYLE,
'Use "//" single-line comments, not "#".',
'#',
'//');
}
}
@ -788,13 +790,12 @@ final class ArcanistXHPASTLinter extends ArcanistLinter {
break;
}
}
foreach ($tokens as $token) {
if ($token->getTypeName() == 'T_CLOSE_TAG') {
$this->raiseLintAtToken(
$token,
self::LINT_PHP_CLOSE_TAG,
'Do not use the PHP closing tag, "?>".');
}
foreach ($root->selectTokensOfType('T_CLOSE_TAG') as $token) {
$this->raiseLintAtToken(
$token,
self::LINT_PHP_CLOSE_TAG,
'Do not use the PHP closing tag, "?>".');
}
}
@ -1341,12 +1342,10 @@ final class ArcanistXHPASTLinter extends ArcanistLinter {
}
protected function lintTODOComments($root) {
$tokens = $root->getTokens();
foreach ($tokens as $token) {
if (!$token->isComment()) {
continue;
}
$comments = $root->selectTokensOfType('T_COMMENT') +
$root->selectTokensOfType('T_DOC_COMMENT');
foreach ($comments as $token) {
$value = $token->getValue();
$matches = null;
$preg = preg_match_all(