Psalm v6: strict_types=1

UPGRADING.md

@@ -34,10 +34,16 @@
 
 - [BC] The return type of `Psalm\Internal\LanguageServer\ProtocolWriter#write() changed from `Amp\Promise` to `void` due to the switch to Amp v3
 
+- [BC] All parameters, properties and return typehints are now strictly typed.
+
+- [BC] `strict_types` is now applied to all files of the Psalm codebase.
+
 - [BC] Properties `Psalm\Type\Atomic\TLiteralFloat::$value` and `Psalm\Type\Atomic\TLiteralInt::$value` became typed (`float` and `int` respectively)
 
 - [BC] Property `Psalm\Storage\EnumCaseStorage::$value` changed from `int|string|null` to `TLiteralInt|TLiteralString|null`
 
+- [BC] `Psalm\CodeLocation\Raw`, `Psalm\CodeLocation\ParseErrorLocation`, `Psalm\CodeLocation\DocblockTypeLocation`, `Psalm\Report\CountReport`, `Psalm\Type\Atomic\TNonEmptyArray` are now all final.
+
 # Upgrading from Psalm 4 to Psalm 5
 ## Changed
 

bin/generate_issues_list_doc.php

@@ -1,6 +1,8 @@
 #!/usr/bin/env php
 <?php
 
+declare(strict_types=1);
+
 $docs_dir = dirname(__DIR__) . DIRECTORY_SEPARATOR . "docs"
     . DIRECTORY_SEPARATOR . "running_psalm" . DIRECTORY_SEPARATOR;
 $issues_index = "{$docs_dir}issues.md";

bin/generate_levels_doc.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 use Psalm\Config\IssueHandler;
 use Psalm\Issue\CodeIssue;
 

bin/generate_testsuites.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 if (count($argv) < 2) {
     fwrite(STDERR, 'Usage: ' . $argv[0] . ' <number_of_chunks>' . PHP_EOL);
     exit(1);
@@ -35,7 +37,7 @@
 );
 array_multisort($order, $files);
 
-$chunks = array_chunk($files, ceil(count($files) / $number_of_chunks));
+$chunks = array_chunk($files, (int) ceil(count($files) / $number_of_chunks));
 
 $phpunit_config = new DOMDocument('1.0', 'UTF-8');
 $phpunit_config->preserveWhiteSpace = false;

bin/improve_class_alias.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 $vendor_path = 'vendor-bin/box/vendor/humbug/php-scoper/src/PhpParser/NodeVisitor/ClassAliasStmtAppender.php';
 
 if (!file_exists($vendor_path)) {

bin/max_used_shortcode.php

@@ -1,6 +1,8 @@
 #!/usr/bin/env php
 <?php
 
+declare(strict_types=1);
+
 use Psalm\Config\IssueHandler;
 
 require_once(dirname(__DIR__) . '/vendor/autoload.php');

composer.json

@@ -116,7 +116,7 @@
         "lint": "parallel-lint ./src ./tests",
         "phpunit": [
             "Composer\\Config::disableProcessTimeout",
-            "paratest --runner=WrapperRunner"
+            "paratest -f --runner=WrapperRunner"
         ],
         "phpunit-std": [
             "Composer\\Config::disableProcessTimeout",

phpcs.xml

@@ -10,7 +10,7 @@
       *  Configuration                                                                                                *
       ************************************************************************************************************** -->
 
-    <config name="php_version" value="70400"/>
+    <config name="php_version" value="80100"/>
     <config name="installed_paths" value="../../slevomat/coding-standard"/>
 
     <arg name="basepath" value="."/>
@@ -91,8 +91,6 @@
             <property name="linesCountAfterDeclare" value="1"/>
             <property name="spacesCountAroundEqualsSign" value="0"/>
         </properties>
-
-        <exclude name="SlevomatCodingStandard.TypeHints.DeclareStrictTypes.DeclareStrictTypesMissing"/>
     </rule>
 
     <!--
@@ -251,13 +249,11 @@
     </rule>
     <rule ref="SlevomatCodingStandard.TypeHints.PropertyTypeHint">
         <exclude name="SlevomatCodingStandard.TypeHints.PropertyTypeHint.MissingTraversableTypeHintSpecification"/>
-        <!-- TODO: Remove in Psalm 6 -->
-        <include-pattern>bin/*</include-pattern>
-        <include-pattern>src/Psalm/Internal/*</include-pattern>
-        <include-pattern>tests/*</include-pattern>
     </rule>
     <rule ref="SlevomatCodingStandard.Arrays.TrailingArrayComma"/>
     <rule ref="SlevomatCodingStandard.Functions.RequireTrailingCommaInCall"/>
     <rule ref="SlevomatCodingStandard.Functions.RequireTrailingCommaInClosureUse"/>
     <rule ref="SlevomatCodingStandard.Functions.RequireTrailingCommaInDeclaration"/>
+
+    <rule ref="SlevomatCodingStandard.TypeHints.DeclareStrictTypes"/>
 </ruleset>

psalm-baseline.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<files psalm-version="dev-master@77650e7b153ee3a96507ba6902ce2807def23221">
+<files psalm-version="dev-master@973a3fa554b4a2016e2a551dce2206fb47084050">
   <file src="examples/TemplateChecker.php">
     <PossiblyUndefinedIntArrayOffset>
       <code><![CDATA[$comment_block->tags['variablesfrom'][0]]]></code>
@@ -251,6 +251,16 @@
       <code>$stub</code>
     </PossiblyUndefinedIntArrayOffset>
   </file>
+  <file src="src/Psalm/Internal/Codebase/Methods.php">
+    <InvalidArgument>
+      <code><![CDATA[$class_storage->methods[$declaring_method_name]->stubbed]]></code>
+    </InvalidArgument>
+  </file>
+  <file src="src/Psalm/Internal/Codebase/Populator.php">
+    <InvalidArgument>
+      <code><![CDATA[$storage->methods[$implementing_method_id->method_name]->abstract]]></code>
+    </InvalidArgument>
+  </file>
   <file src="src/Psalm/Internal/Codebase/Properties.php">
     <PossiblyUndefinedIntArrayOffset>
       <code>$property_name</code>
@@ -346,9 +356,6 @@
     <PossiblyUndefinedIntArrayOffset>
       <code>$since_parts[1]</code>
     </PossiblyUndefinedIntArrayOffset>
-    <RedundantCondition>
-      <code><![CDATA[count($line_parts) > 0]]></code>
-    </RedundantCondition>
   </file>
   <file src="src/Psalm/Internal/PhpVisitor/Reflector/FunctionLikeDocblockScanner.php">
     <PossiblyUndefinedArrayOffset>

src/Psalm/Aliases.php

@@ -1,50 +1,48 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Psalm;
 
 final class Aliases
 {
     /**
      * @var array<lowercase-string, string>
      */
-    public $uses;
+    public array $uses;
 
     /**
      * @var array<lowercase-string, string>
      */
-    public $uses_flipped;
+    public array $uses_flipped;
 
     /**
      * @var array<lowercase-string, non-empty-string>
      */
-    public $functions;
+    public array $functions;
 
     /**
      * @var array<lowercase-string, string>
      */
-    public $functions_flipped;
+    public array $functions_flipped;
 
     /**
      * @var array<string, string>
      */
-    public $constants;
+    public array $constants;
 
     /**
      * @var array<string, string>
      */
-    public $constants_flipped;
+    public array $constants_flipped;
 
-    /** @var string|null */
-    public $namespace;
+    public ?string $namespace = null;
 
-    /** @var ?int */
-    public $namespace_first_stmt_start;
+    public ?int $namespace_first_stmt_start = null;
 
-    /** @var ?int */
-    public $uses_start;
+    public ?int $uses_start = null;
 
-    /** @var ?int */
-    public $uses_end;
+    public ?int $uses_end = null;
 
     /**
      * @param array<lowercase-string, string> $uses
@@ -63,7 +61,7 @@ public function __construct(
         array $constants = [],
         array $uses_flipped = [],
         array $functions_flipped = [],
-        array $constants_flipped = []
+        array $constants_flipped = [],
     ) {
         $this->namespace = $namespace;
         $this->uses = $uses;

src/Psalm/CodeLocation.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Psalm;
 
 use Exception;
@@ -33,34 +35,25 @@
 {
     use ImmutableNonCloneableTrait;
 
-    /** @var string */
-    public $file_path;
+    public string $file_path;
 
-    /** @var string */
-    public $file_name;
+    public string $file_name;
 
-    /** @var int */
-    public $raw_line_number;
+    public int $raw_line_number;
 
     private int $end_line_number = -1;
 
-    /** @var int */
-    public $raw_file_start;
+    public int $raw_file_start;
 
-    /** @var int */
-    public $raw_file_end;
+    public int $raw_file_end;
 
-    /** @var int */
-    protected $file_start;
+    protected int $file_start;
 
-    /** @var int */
-    protected $file_end;
+    protected int $file_end;
 
-    /** @var bool */
-    protected $single_line;
+    protected bool $single_line;
 
-    /** @var int */
-    protected $preview_start;
+    protected int $preview_start;
 
     private int $preview_end = -1;
 
@@ -76,20 +69,17 @@
 
     private ?string $text = null;
 
-    /** @var int|null */
-    public $docblock_start;
+    public ?int $docblock_start = null;
 
     private ?int $docblock_start_line_number = null;
 
-    /** @var int|null */
-    protected $docblock_line_number;
+    protected ?int $docblock_line_number = null;
 
     private ?int $regex_type = null;
 
     private bool $have_recalculated = false;
 
-    /** @var null|CodeLocation */
-    public $previous_location;
+    public ?CodeLocation $previous_location = null;
 
     public const VAR_TYPE = 0;
     public const FUNCTION_RETURN_TYPE = 1;
@@ -107,7 +97,7 @@
         bool $single_line = false,
         ?int $regex_type = null,
         ?string $selected_text = null,
-        ?int $comment_line = null
+        ?int $comment_line = null,
     ) {
         /** @psalm-suppress ImpureMethodCall Actually mutation-free just not marked */
         $this->file_start = (int)$stmt->getAttribute('startFilePos');

src/Psalm/CodeLocation/DocblockTypeLocation.php

@@ -1,18 +1,20 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Psalm\CodeLocation;
 
 use Psalm\CodeLocation;
 use Psalm\FileSource;
 
 /** @psalm-immutable */
-class DocblockTypeLocation extends CodeLocation
+final class DocblockTypeLocation extends CodeLocation
 {
     public function __construct(
         FileSource $file_source,
         int $file_start,
         int $file_end,
-        int $line_number
+        int $line_number,
     ) {
         $this->file_start = $file_start;
         // matches how CodeLocation works

src/Psalm/CodeLocation/ParseErrorLocation.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Psalm\CodeLocation;
 
 use PhpParser;
@@ -9,13 +11,13 @@
 use function substr_count;
 
 /** @psalm-immutable */
-class ParseErrorLocation extends CodeLocation
+final class ParseErrorLocation extends CodeLocation
 {
     public function __construct(
         PhpParser\Error $error,
         string $file_contents,
         string $file_path,
-        string $file_name
+        string $file_name,
     ) {
         /** @psalm-suppress PossiblyUndefinedStringArrayOffset, ImpureMethodCall */
         $this->file_start = (int)$error->getAttributes()['startFilePos'];

src/Psalm/CodeLocation/Raw.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Psalm\CodeLocation;
 
 use Psalm\CodeLocation;
@@ -8,14 +10,14 @@
 use function substr_count;
 
 /** @psalm-immutable */
-class Raw extends CodeLocation
+final class Raw extends CodeLocation
 {
     public function __construct(
         string $file_contents,
         string $file_path,
         string $file_name,
         int $file_start,
-        int $file_end
+        int $file_end,
     ) {
         $this->file_start = $file_start;
         $this->file_end = $file_end;