Fix problem with NameScope

Author: ondrejmirtes

build/baseline-7.4.neon

@@ -51,11 +51,6 @@ parameters:
 			count: 1
 			path: ../src/PhpDoc/ResolvedPhpDocBlock.php
 
-		-
-			message: "#^Class PHPStan\\\\PhpDoc\\\\ResolvedPhpDocBlock has an uninitialized property \\$nameScope\\. Give it default value or assign it in the constructor\\.$#"
-			count: 1
-			path: ../src/PhpDoc/ResolvedPhpDocBlock.php
-
 		-
 			message: "#^Class PHPStan\\\\PhpDoc\\\\ResolvedPhpDocBlock has an uninitialized property \\$templateTypeMap\\. Give it default value or assign it in the constructor\\.$#"
 			count: 1

phpstan-baseline.neon

@@ -60,6 +60,11 @@ parameters:
 			count: 1
 			path: src/PhpDoc/PhpDocBlock.php
 
+		-
+			message: "#^Method PHPStan\\\\PhpDoc\\\\ResolvedPhpDocBlock\\:\\:getNameScope\\(\\) should return PHPStan\\\\Analyser\\\\NameScope but returns PHPStan\\\\Analyser\\\\NameScope\\|null\\.$#"
+			count: 1
+			path: src/PhpDoc/ResolvedPhpDocBlock.php
+
 		-
 			message: "#^Return type \\(PHPStan\\\\PhpDoc\\\\Tag\\\\ParamTag\\) of method PHPStan\\\\PhpDoc\\\\Tag\\\\ParamTag\\:\\:withType\\(\\) should be covariant with return type \\(static\\(PHPStan\\\\PhpDoc\\\\Tag\\\\TypedTag\\)\\) of method PHPStan\\\\PhpDoc\\\\Tag\\\\TypedTag\\:\\:withType\\(\\)$#"
 			count: 1

src/Dependency/ExportedNodeResolver.php

@@ -308,7 +308,10 @@ private function exportPhpDocNode(
 			$text
 		);
 
-		$nameScope = $resolvedPhpDocBlock->getNameScope();
+		$nameScope = $resolvedPhpDocBlock->getNullableNameScope();
+		if ($nameScope === null) {
+			return null;
+		}
 
 		return new ExportedPhpDocNode($text, $nameScope->getNamespace(), $nameScope->getUses());
 	}

src/PhpDoc/ResolvedPhpDocBlock.php

@@ -22,7 +22,7 @@ class ResolvedPhpDocBlock
 
 	private ?string $filename;
 
-	private NameScope $nameScope;
+	private ?NameScope $nameScope = null;
 
 	private TemplateTypeMap $templateTypeMap;
 
@@ -218,7 +218,12 @@ public function getFilename(): ?string
 		return $this->filename;
 	}
 
-	public function getNameScope(): NameScope
+	private function getNameScope(): NameScope
+	{
+		return $this->nameScope;
+	}
+
+	public function getNullableNameScope(): ?NameScope
 	{
 		return $this->nameScope;
 	}
@@ -231,7 +236,7 @@ public function getVarTags(): array
 		if ($this->varTags === false) {
 			$this->varTags = $this->phpDocNodeResolver->resolveVarTags(
 				$this->phpDocNode,
-				$this->nameScope
+				$this->getNameScope()
 			);
 		}
 		return $this->varTags;
@@ -245,7 +250,7 @@ public function getMethodTags(): array
 		if ($this->methodTags === false) {
 			$this->methodTags = $this->phpDocNodeResolver->resolveMethodTags(
 				$this->phpDocNode,
-				$this->nameScope
+				$this->getNameScope()
 			);
 		}
 		return $this->methodTags;
@@ -259,7 +264,7 @@ public function getPropertyTags(): array
 		if ($this->propertyTags === false) {
 			$this->propertyTags = $this->phpDocNodeResolver->resolvePropertyTags(
 				$this->phpDocNode,
-				$this->nameScope
+				$this->getNameScope()
 			);
 		}
 		return $this->propertyTags;
@@ -281,7 +286,7 @@ public function getExtendsTags(): array
 		if ($this->extendsTags === false) {
 			$this->extendsTags = $this->phpDocNodeResolver->resolveExtendsTags(
 				$this->phpDocNode,
-				$this->nameScope
+				$this->getNameScope()
 			);
 		}
 		return $this->extendsTags;
@@ -295,7 +300,7 @@ public function getImplementsTags(): array
 		if ($this->implementsTags === false) {
 			$this->implementsTags = $this->phpDocNodeResolver->resolveImplementsTags(
 				$this->phpDocNode,
-				$this->nameScope
+				$this->getNameScope()
 			);
 		}
 		return $this->implementsTags;
@@ -309,7 +314,7 @@ public function getUsesTags(): array
 		if ($this->usesTags === false) {
 			$this->usesTags = $this->phpDocNodeResolver->resolveUsesTags(
 				$this->phpDocNode,
-				$this->nameScope
+				$this->getNameScope()
 			);
 		}
 		return $this->usesTags;
@@ -323,7 +328,7 @@ public function getParamTags(): array
 		if ($this->paramTags === false) {
 			$this->paramTags = $this->phpDocNodeResolver->resolveParamTags(
 				$this->phpDocNode,
-				$this->nameScope
+				$this->getNameScope()
 			);
 		}
 		return $this->paramTags;
@@ -334,7 +339,7 @@ public function getReturnTag(): ?\PHPStan\PhpDoc\Tag\ReturnTag
 		if ($this->returnTag === false) {
 			$this->returnTag = $this->phpDocNodeResolver->resolveReturnTag(
 				$this->phpDocNode,
-				$this->nameScope
+				$this->getNameScope()
 			);
 		}
 		return $this->returnTag;
@@ -345,7 +350,7 @@ public function getThrowsTag(): ?\PHPStan\PhpDoc\Tag\ThrowsTag
 		if ($this->throwsTag === false) {
 			$this->throwsTag = $this->phpDocNodeResolver->resolveThrowsTags(
 				$this->phpDocNode,
-				$this->nameScope
+				$this->getNameScope()
 			);
 		}
 		return $this->throwsTag;
@@ -359,7 +364,7 @@ public function getMixinTags(): array
 		if ($this->mixinTags === false) {
 			$this->mixinTags = $this->phpDocNodeResolver->resolveMixinTags(
 				$this->phpDocNode,
-				$this->nameScope
+				$this->getNameScope()
 			);
 		}
 
@@ -371,7 +376,7 @@ public function getDeprecatedTag(): ?\PHPStan\PhpDoc\Tag\DeprecatedTag
 		if ($this->deprecatedTag === false) {
 			$this->deprecatedTag = $this->phpDocNodeResolver->resolveDeprecatedTag(
 				$this->phpDocNode,
-				$this->nameScope
+				$this->getNameScope()
 			);
 		}
 		return $this->deprecatedTag;