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(stable) Promote 2018 Week 51

This commit is contained in:
epriestley 2018-12-28 12:44:35 -08:00
commit 97ddb9d5a1
6 changed files with 139 additions and 0 deletions

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@ -91,6 +91,8 @@ phutil_register_library_map(array(
'ArcanistConsoleLintRendererTestCase' => 'lint/renderer/__tests__/ArcanistConsoleLintRendererTestCase.php',
'ArcanistConstructorParenthesesXHPASTLinterRule' => 'lint/linter/xhpast/rules/ArcanistConstructorParenthesesXHPASTLinterRule.php',
'ArcanistConstructorParenthesesXHPASTLinterRuleTestCase' => 'lint/linter/xhpast/rules/__tests__/ArcanistConstructorParenthesesXHPASTLinterRuleTestCase.php',
'ArcanistContinueInsideSwitchXHPASTLinterRule' => 'lint/linter/xhpast/rules/ArcanistContinueInsideSwitchXHPASTLinterRule.php',
'ArcanistContinueInsideSwitchXHPASTLinterRuleTestCase' => 'lint/linter/xhpast/rules/__tests__/ArcanistContinueInsideSwitchXHPASTLinterRuleTestCase.php',
'ArcanistControlStatementSpacingXHPASTLinterRule' => 'lint/linter/xhpast/rules/ArcanistControlStatementSpacingXHPASTLinterRule.php',
'ArcanistControlStatementSpacingXHPASTLinterRuleTestCase' => 'lint/linter/xhpast/rules/__tests__/ArcanistControlStatementSpacingXHPASTLinterRuleTestCase.php',
'ArcanistCoverWorkflow' => 'workflow/ArcanistCoverWorkflow.php',
@ -511,6 +513,8 @@ phutil_register_library_map(array(
'ArcanistConsoleLintRendererTestCase' => 'PhutilTestCase',
'ArcanistConstructorParenthesesXHPASTLinterRule' => 'ArcanistXHPASTLinterRule',
'ArcanistConstructorParenthesesXHPASTLinterRuleTestCase' => 'ArcanistXHPASTLinterRuleTestCase',
'ArcanistContinueInsideSwitchXHPASTLinterRule' => 'ArcanistXHPASTLinterRule',
'ArcanistContinueInsideSwitchXHPASTLinterRuleTestCase' => 'ArcanistXHPASTLinterRuleTestCase',
'ArcanistControlStatementSpacingXHPASTLinterRule' => 'ArcanistXHPASTLinterRule',
'ArcanistControlStatementSpacingXHPASTLinterRuleTestCase' => 'ArcanistXHPASTLinterRuleTestCase',
'ArcanistCoverWorkflow' => 'ArcanistWorkflow',

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@ -0,0 +1,53 @@
<?php
final class ArcanistContinueInsideSwitchXHPASTLinterRule
extends ArcanistXHPASTLinterRule {
const ID = 128;
public function getLintName() {
return pht('Continue Inside Switch');
}
public function process(XHPASTNode $root) {
$continues = $root->selectDescendantsOfType('n_CONTINUE');
$valid_containers = array(
'n_WHILE' => true,
'n_FOREACH' => true,
'n_FOR' => true,
'n_DO_WHILE' => true,
);
foreach ($continues as $continue) {
// If this is a "continue 2;" or similar, assume it's legitimate.
$label = $continue->getChildByIndex(0);
if ($label->getTypeName() !== 'n_EMPTY') {
continue;
}
$node = $continue->getParentNode();
while ($node) {
$node_type = $node->getTypeName();
// If we hit a valid loop which you can actually "continue;" inside,
// this is legitimate and we're done here.
if (isset($valid_containers[$node_type])) {
break;
}
if ($node_type === 'n_SWITCH') {
$this->raiseLintAtNode(
$continue,
pht(
'In a "switch" statement, "continue;" is equivalent to "break;" '.
'but causes compile errors beginning with PHP 7.0.0.'),
'break');
}
$node = $node->getParentNode();
}
}
}
}

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@ -0,0 +1,11 @@
<?php
final class ArcanistContinueInsideSwitchXHPASTLinterRuleTestCase
extends ArcanistXHPASTLinterRuleTestCase {
public function testLinter() {
$this->executeTestsInDirectory(
dirname(__FILE__).'/continue-inside-switch/');
}
}

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@ -0,0 +1,21 @@
<?php
// These are valid loops which you can "continue;" inside.
for ($x = 0; $x < 3; $x++) {
continue;
}
foreach ($x as $y) {
continue;
}
while ($x) {
continue;
}
do {
continue;
} while ($x);
~~~~~~~~~~
~~~~~~~~~~

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@ -0,0 +1,24 @@
<?php
// It's okay to "continue N;" into a loop, although this is usually not the
// cleanest way to write code and might be discouraged in the future.
while ($x) {
switch ($y) {
case 1:
continue 2;
}
}
// This is invalid, but we don't detect it for now.
switch ($x) {
case 1:
switch ($y) {
case 2:
continue 2;
}
break;
}
~~~~~~~~~~
~~~~~~~~~~

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@ -0,0 +1,26 @@
<?php
switch ($x) {
case 1:
continue;
}
switch ($x) {
case 1:
continue /* CRITICAL: Nuclear launch code is 1234. */ ;
}
~~~~~~~~~~
error:5:5
error:10:5
~~~~~~~~~~
<?php
switch ($x) {
case 1:
break;
}
switch ($x) {
case 1:
break /* CRITICAL: Nuclear launch code is 1234. */ ;
}