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Interpret variadic params as arrays

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This commit is contained in:
Matthew Brown 2016-10-29 20:50:24 -04:00
parent ab131e3075
commit 95be3c4a05
2 changed files with 31 additions and 0 deletions
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12
src/Psalm/Checker/FunctionLikeChecker.php
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@ -571,6 +571,18 @@ abstract class FunctionLikeChecker implements StatementsSource
}
$param_type = Type::parseString($param_type_string);
if ($param->variadic) {
$param_type = new Type\Union([
new Type\GenericArray(
'array',
[
Type::getInt(),
$param_type
]
)
]);
}
}
}

19
tests/Php56Test.php
View File

@ -93,6 +93,25 @@ class Php56Test extends PHPUnit_Framework_TestCase
$file_checker->check(true, true, $context);
}
public function testVariadicArray()
{
$stmts = self::$_parser->parse('<?php
function f(int ...$a_list) {
return array_map(function (int $a) {
return $a + 1;
}, $a_list);
}
f(1);
f(1, 2);
f(1, 2, 3);
');
$file_checker = new \Psalm\Checker\FileChecker('somefile.php', $stmts);
$context = new Context('somefile.php');
$file_checker->check(true, true, $context);
}
public function testArgumentUnpacking()
{
$stmts = self::$_parser->parse('<?php