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(stable) In the "cpplint" binding, raise messages on "line 0" without a line

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Summary:
Ref T13543. The "cpplint.py" script may emit messages on line 0, but Arcanist doesn't accept these messages.

This is a small piece of a whole set of broader issues, but stop the bleeding for now.

Test Plan:
  - Ran `arc lint example.h` on a file with no `#ifndef` guard, and `cpplint` configured.
  - Cpplint raised a message at line "0".
  - Before change: arc choked when trying to render this.
  - After change: arc survives rendering.

Maniphest Tasks: T13543

Differential Revision: https://secure.phabricator.com/D21289
This commit is contained in:
epriestley 2020-05-27 10:49:31 -07:00
parent a5bfb968cd
commit 609c8c9fdc
1 changed files with 11 additions and 1 deletions
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12
src/lint/linter/ArcanistCpplintLinter.php
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@ -48,12 +48,22 @@ final class ArcanistCpplintLinter extends ArcanistExternalLinter {
$message = new ArcanistLintMessage();
$message->setPath($path);
$message->setLine($matches[1]);
$message->setCode($matches[3]);
$message->setName($matches[3]);
$message->setDescription($matches[2]);
$message->setSeverity($severity);
// NOTE: "cpplint" raises some messages which apply to the whole file,
// like "no #ifndef guard found". It raises these messages on line 0.
// Arcanist messages should have a "null" line, not a "0" line, if they
// aren't bound to a particular line number.
$line = (int)$matches[1];
if ($line > 0) {
$message->setLine($line);
}
$messages[] = $message;
}