ConstExprParser: allow integers in bin, oct and hex format

Author: JanTvrdik

src/Lexer/Lexer.php

@@ -132,7 +132,7 @@ private function initialize()
 			self::TOKEN_PHPDOC_EOL => '\\r?+\\n[\\x09\\x20]*+(?:\\*(?!/))?',
 
 			self::TOKEN_FLOAT => '(?:-?[0-9]++\\.[0-9]*+(?:e-?[0-9]++)?)|(?:-?[0-9]*+\\.[0-9]++(?:e-?[0-9]++)?)|(?:-?[0-9]++e-?[0-9]++)',
-			self::TOKEN_INTEGER => '-?[0-9]++',
+			self::TOKEN_INTEGER => '-?(?:(?:0b[0-1]++)|(?:0o[0-7]++)|(?:0x[0-9a-f]++)|(?:[0-9]++))',
 			self::TOKEN_SINGLE_QUOTED_STRING => '\'(?:\\\\.|[^\'\\r\\n])*+\'',
 			self::TOKEN_DOUBLE_QUOTED_STRING => '"(?:\\\\.|[^"\\r\\n])*+"',
 

tests/PHPStan/Parser/ConstExprParserTest.php

@@ -79,6 +79,26 @@ public function provideParseData(): array
 				'123',
 				new ConstExprIntegerNode('123'),
 			],
+			[
+				'0b0110101',
+				new ConstExprIntegerNode('0b0110101'),
+			],
+			[
+				'0o777',
+				new ConstExprIntegerNode('0o777'),
+			],
+			[
+				'0x7Fb4',
+				new ConstExprIntegerNode('0x7Fb4'),
+			],
+			[
+				'-0O777',
+				new ConstExprIntegerNode('-0O777'),
+			],
+			[
+				'-0X7Fb4',
+				new ConstExprIntegerNode('-0X7Fb4'),
+			],
 			[
 				'123.4',
 				new ConstExprFloatNode('123.4'),