Disallow whitespaces between 'array' and '{'

Author: arnaud-lb

src/Parser/TokenIterator.php

@@ -64,6 +64,12 @@ public function isCurrentTokenType(int $tokenType): bool
 	}
 
 
+	public function isPrecededByHorizontalWhitespace(): bool
+	{
+		return ($this->tokens[$this->index - 1][Lexer::TYPE_OFFSET] ?? -1) === Lexer::TOKEN_HORIZONTAL_WS;
+	}
+
+
 	/**
 	 * @param  int $tokenType
 	 * @throws \PHPStan\PhpDocParser\Parser\ParserException

src/Parser/TypeParser.php

@@ -54,7 +54,7 @@ private function parseAtomic(TokenIterator $tokens): Ast\Type\TypeNode
 			} elseif ($tokens->isCurrentTokenType(Lexer::TOKEN_OPEN_SQUARE_BRACKET)) {
 				$type = $this->tryParseArray($tokens, $type);
 
-			} elseif ($type->name === 'array' && $tokens->isCurrentTokenType(Lexer::TOKEN_OPEN_CURLY_BRACKET)) {
+			} elseif ($type->name === 'array' && $tokens->isCurrentTokenType(Lexer::TOKEN_OPEN_CURLY_BRACKET) && !$tokens->isPrecededByHorizontalWhitespace()) {
 				$type = $this->parseArrayShape($tokens, $type);
 			}
 		}
@@ -97,7 +97,7 @@ private function parseNullable(TokenIterator $tokens): Ast\Type\TypeNode
 		if ($tokens->isCurrentTokenType(Lexer::TOKEN_OPEN_ANGLE_BRACKET)) {
 			$type = $this->parseGeneric($tokens, $type);
 
-		} elseif ($type->name === 'array' && $tokens->isCurrentTokenType(Lexer::TOKEN_OPEN_CURLY_BRACKET)) {
+		} elseif ($type->name === 'array' && $tokens->isCurrentTokenType(Lexer::TOKEN_OPEN_CURLY_BRACKET) && !$tokens->isPrecededByHorizontalWhitespace()) {
 			$type = $this->parseArrayShape($tokens, $type);
 		}
 
@@ -174,7 +174,7 @@ private function parseCallableReturnType(TokenIterator $tokens): Ast\Type\TypeNo
 			if ($tokens->isCurrentTokenType(Lexer::TOKEN_OPEN_ANGLE_BRACKET)) {
 				$type = $this->parseGeneric($tokens, $type);
 
-			} elseif ($type->name === 'array' && $tokens->isCurrentTokenType(Lexer::TOKEN_OPEN_CURLY_BRACKET)) {
+			} elseif ($type->name === 'array' && $tokens->isCurrentTokenType(Lexer::TOKEN_OPEN_CURLY_BRACKET) && !$tokens->isPrecededByHorizontalWhitespace()) {
 				$type = $this->parseArrayShape($tokens, $type);
 			}
 		}

tests/PHPStan/Parser/TypeParserTest.php

@@ -268,6 +268,12 @@ public function provideParseData(): array
 					]
 				),
 			],
+			[
+				'array {\'a\': int}',
+				new IdentifierTypeNode('array'),
+				Lexer::TOKEN_OPEN_CURLY_BRACKET,
+			],
+
 			[
 				'array{\'a\': int}',
 				new ArrayShapeNode([