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phorge-arcanist/src/lint/linter/xhpast/rules/ArcanistCastSpacingXHPASTLinterRule.php
Joshua Spence 0b1acf0dc0 Split the ArcanistXHPASTLinter into modular rules
Summary:
The `ArcanistXHPASTLinter` class is becoming quite bloated. This diff separates the class into one-class-per-rule, which makes everything much more modular. One downside to this decoupling is that code reuse between linter rules is much more difficult, although this only affects a very small number of linter rules.

There is still some further work that could be done here, but I defer this until a later diff:

  - Rewrite `ArcanistPhutilXHPASTLinter` using `ArcanistXHPASTLinterRule`.
  - Change the unit tests so that they are truly only testing a single linter rule.
  - Maybe improve the way in which linter configuration options are handled.
  - Make it easier to keep track of the linter rule IDs (see T6859).

Test Plan: `arc unit`

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: johnny-bit, epriestley, Korvin

Differential Revision: https://secure.phabricator.com/D10541
2015-06-01 15:49:16 +10:00

34 lines
792 B
PHP

<?php
final class ArcanistCastSpacingXHPASTLinterRule
extends ArcanistXHPASTLinterRule {
const ID = 66;
public function getLintName() {
return pht('Cast Spacing');
}
public function getLintSeverity() {
return ArcanistLintSeverity::SEVERITY_ADVICE;
}
public function process(XHPASTNode $root) {
$cast_expressions = $root->selectDescendantsOfType('n_CAST_EXPRESSION');
foreach ($cast_expressions as $cast_expression) {
$cast = $cast_expression->getChildOfType(0, 'n_CAST');
list($before, $after) = $cast->getSurroundingNonsemanticTokens();
$after = head($after);
if ($after) {
$this->raiseLintAtToken(
$after,
pht('A cast statement must not be followed by a space.'),
'');
}
}
}
}