Fix parsing invalid types in type aliases

Author: ondrejmirtes

src/Parser/PhpDocParser.php

@@ -460,9 +460,20 @@ private function parseTypeAliasTagValue(TokenIterator $tokens): Ast\PhpDoc\TypeA
 		if ($this->preserveTypeAliasesWithInvalidTypes) {
 			try {
 				$type = $this->typeParser->parse($tokens);
+				if (!$tokens->isCurrentTokenType(Lexer::TOKEN_CLOSE_PHPDOC)) {
+					if (!$tokens->isCurrentTokenType(Lexer::TOKEN_PHPDOC_EOL)) {
+						throw new ParserException(
+							$tokens->currentTokenValue(),
+							$tokens->currentTokenType(),
+							$tokens->currentTokenOffset(),
+							Lexer::TOKEN_PHPDOC_EOL
+						);
+					}
+				}
 
 				return new Ast\PhpDoc\TypeAliasTagValueNode($alias, $type);
 			} catch (ParserException $e) {
+				$this->parseOptionalDescription($tokens);
 				return new Ast\PhpDoc\TypeAliasTagValueNode($alias, new Ast\Type\InvalidTypeNode($e));
 			}
 		}

tests/PHPStan/Parser/PhpDocParserTest.php

@@ -916,6 +916,24 @@ public function provideVarTagsData(): Iterator
 					)
 				),
 			]),
+			null,
+			new PhpDocNode([
+				new PhpDocTagNode(
+					'@psalm-type',
+					new TypeAliasTagValueNode(
+						'PARTSTRUCTURE_PARAM',
+						new InvalidTypeNode(
+							new ParserException(
+								'{',
+								Lexer::TOKEN_OPEN_CURLY_BRACKET,
+								44,
+								Lexer::TOKEN_PHPDOC_EOL,
+								null
+							)
+						)
+					)
+				),
+			]),
 		];
 	}
 
@@ -3954,6 +3972,106 @@ public function provideTypeAliasTagsData(): Iterator
 			]),
 		];
 
+		yield [
+			'invalid type that should be an error',
+			'/**
+ * @phpstan-type Foo array{}
+ * @phpstan-type InvalidFoo what{}
+ */',
+			new PhpDocNode([
+				new PhpDocTagNode(
+					'@phpstan-type',
+					new InvalidTagValueNode(
+						"Unexpected token \"{\", expected '*/' at offset 65",
+						new ParserException(
+							'{',
+							Lexer::TOKEN_OPEN_CURLY_BRACKET,
+							65,
+							Lexer::TOKEN_CLOSE_PHPDOC,
+							null
+						)
+					)
+				),
+			]),
+			null,
+			new PhpDocNode([
+				new PhpDocTagNode(
+					'@phpstan-type',
+					new TypeAliasTagValueNode(
+						'Foo',
+						new ArrayShapeNode([])
+					)
+				),
+				new PhpDocTagNode(
+					'@phpstan-type',
+					new TypeAliasTagValueNode(
+						'InvalidFoo',
+						new InvalidTypeNode(new ParserException(
+							'{',
+							Lexer::TOKEN_OPEN_CURLY_BRACKET,
+							65,
+							Lexer::TOKEN_PHPDOC_EOL,
+							null
+						))
+					)
+				),
+			]),
+		];
+
+		yield [
+			'invalid type that should be an error followed by valid again',
+			'/**
+ * @phpstan-type Foo array{}
+ * @phpstan-type InvalidFoo what{}
+ * @phpstan-type Bar array{}
+ */',
+			new PhpDocNode([
+				new PhpDocTagNode(
+					'@phpstan-type',
+					new InvalidTagValueNode(
+						"Unexpected token \"{\", expected '*/' at offset 65",
+						new ParserException(
+							'{',
+							Lexer::TOKEN_OPEN_CURLY_BRACKET,
+							65,
+							Lexer::TOKEN_CLOSE_PHPDOC,
+							null
+						)
+					)
+				),
+			]),
+			null,
+			new PhpDocNode([
+				new PhpDocTagNode(
+					'@phpstan-type',
+					new TypeAliasTagValueNode(
+						'Foo',
+						new ArrayShapeNode([])
+					)
+				),
+				new PhpDocTagNode(
+					'@phpstan-type',
+					new TypeAliasTagValueNode(
+						'InvalidFoo',
+						new InvalidTypeNode(new ParserException(
+							'{',
+							Lexer::TOKEN_OPEN_CURLY_BRACKET,
+							65,
+							Lexer::TOKEN_PHPDOC_EOL,
+							null
+						))
+					)
+				),
+				new PhpDocTagNode(
+					'@phpstan-type',
+					new TypeAliasTagValueNode(
+						'Bar',
+						new ArrayShapeNode([])
+					)
+				),
+			]),
+		];
+
 		yield [
 			'invalid empty',
 			'/** @phpstan-type */',