Resolve PHPStan warnings

Author: JakeQZ

config/phpstan-baseline.neon

@@ -48,6 +48,12 @@ parameters:
 			count: 3
 			path: ../src/Value/Color.php
 
+		-
+			message: '#^Parameter \#2 \$arguments of class Sabberworm\\CSS\\Value\\Expression constructor expects array\<Sabberworm\\CSS\\Value\\Value\|string\>\|Sabberworm\\CSS\\Value\\RuleValueList, Sabberworm\\CSS\\Value\\Value\|string given\.$#'
+			identifier: argument.type
+			count: 1
+			path: ../src/Value/Expression.php
+
 		-
 			message: '#^Parameters should have "float" types as the only types passed to this method$#'
 			identifier: typePerfect.narrowPublicClassMethodParamType
@@ -107,3 +113,9 @@ parameters:
 			identifier: argument.type
 			count: 2
 			path: ../tests/Unit/CSSList/CSSListTest.php
+
+		-
+			message: '#^Call to an undefined static method Sabberworm\\CSS\\Tests\\Value\\ExpressionTest\:\:listDelimiterForRule\(\)\.$#'
+			identifier: staticMethod.notFound
+			count: 1
+			path: ../tests/Unit/Value/ExpressionTest.php

src/Value/CSSFunction.php

@@ -17,14 +17,14 @@
 class CSSFunction extends ValueList
 {
     /**
-     * @var non-empty-string
+     * @var string
      *
      * @internal since 8.8.0
      */
     protected $name;
 
     /**
-     * @param non-empty-string $name
+     * @param string $name
      * @param RuleValueList|array<Value|string> $arguments
      * @param non-empty-string $separator
      * @param int<1, max>|null $lineNumber

src/Value/Expression.php

@@ -5,6 +5,7 @@
 namespace Sabberworm\CSS\Value;
 
 use Sabberworm\CSS\Parsing\ParserState;
+use Sabberworm\CSS\Parsing\SourceException;
 
 /**
  * An `Expression` represents a special kind of value that is comprised of multiple components wrapped in parenthesis.
@@ -14,10 +15,8 @@ class Expression extends CSSFunction
 {
     /**
      * @throws SourceException
-     * @throws UnexpectedEOFException
-     * @throws UnexpectedTokenException
      */
-    public static function parse(ParserState $oParserState, bool $bIgnoreCase = false): Expression
+    public static function parse(ParserState $oParserState, bool $bIgnoreCase = false): CSSFunction
     {
         $oParserState->consume('(');
         $aArguments = parent::parseArguments($oParserState);

tests/Unit/Value/ExpressionTest.php

@@ -19,7 +19,7 @@
 final class ExpressionTest extends TestCase
 {
     /**
-     * @return array<0, array{string: string}>
+     * @return list<array{input: non-empty-string, expected_output: non-empty-string, expression_index: int}>
      */
     public static function provideExpressions(): array
     {
@@ -54,6 +54,9 @@ public function parseExpressions(string $input, string $expected, int $expressio
         self::assertSame($expected, $val->render(OutputFormat::createCompact()));
     }
 
+    /**
+     * @return list<non-empty-string>
+     */
     private function getDelimiters(string $rule): array
     {
         $closure = function ($rule) {