danog/psalm
1
0
Fork 0
mirror of https://github.com/danog/psalm.git synced 2024-11-26 12:24:49 +01:00
Code Issues Projects Releases Wiki Activity

Fix #5001 - update variables after context after type change from empty

Browse Source 
Empty is the invalid state, and some old logic here was causing a bug
This commit is contained in:
Matt Brown 2021-01-13 11:35:44 -05:00 committed by Daniil Gentili
parent 0b5a828f6f
commit bd8df0e820
Signed by: danog
GPG Key ID: 8C1BE3B34B230CA7
2 changed files with 39 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
src/Psalm/Context.php
View File

@ -463,10 +463,7 @@ class Context
$new_type = $new_vars_in_scope[$var_id];
if (!$this_type->isEmpty()
&& !$new_type->isEmpty()
&& !$this_type->equals($new_type)
) {
if (!$this_type->equals($new_type)) {
$redefined_vars[$var_id] = $this_type;
}
}

38
tests/Loop/WhileTest.php
View File

@ -585,6 +585,44 @@ class WhileTest extends \Psalm\Tests\TestCase
}
}'
],
'ifNestedInsideLoop' => [
'<?php
function analyse(): int {
$state = 1;
while (rand(0, 1)) {
if ($state === 3) {
echo "here";
} elseif ($state === 2) {
if (rand(0, 1)) {
$state = 3;
}
} else {
$state = 2;
}
}
return $state;
}'
],
'ifNotNestedInsideLoop' => [
'<?php
function analyse(): int {
$state = 1;
while (rand(0, 1)) {
if ($state === 3) {
echo "here";
} elseif ($state === 2) {
$state = 3;
} else {
$state = 2;
}
}
return $state;
}'
],
];
}