vendor and env first commit

vendor/phpstan/phpdoc-parser/src/Ast/ConstExpr/QuoteAwareConstExprStringNode.php

@@ -0,0 +1,78 @@
+<?php declare(strict_types = 1);
+
+namespace PHPStan\PhpDocParser\Ast\ConstExpr;
+
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
+use function addcslashes;
+use function assert;
+use function dechex;
+use function ord;
+use function preg_replace_callback;
+use function sprintf;
+use function str_pad;
+use function strlen;
+use const STR_PAD_LEFT;
+
+class QuoteAwareConstExprStringNode extends ConstExprStringNode implements ConstExprNode
+{
+
+	public const SINGLE_QUOTED = 1;
+	public const DOUBLE_QUOTED = 2;
+
+	use NodeAttributes;
+
+	/** @var self::SINGLE_QUOTED|self::DOUBLE_QUOTED */
+	public $quoteType;
+
+	/**
+	 * @param self::SINGLE_QUOTED|self::DOUBLE_QUOTED $quoteType
+	 */
+	public function __construct(string $value, int $quoteType)
+	{
+		parent::__construct($value);
+		$this->quoteType = $quoteType;
+	}
+
+
+	public function __toString(): string
+	{
+		if ($this->quoteType === self::SINGLE_QUOTED) {
+			// from https://github.com/nikic/PHP-Parser/blob/0ffddce52d816f72d0efc4d9b02e276d3309ef01/lib/PhpParser/PrettyPrinter/Standard.php#L1007
+			return sprintf("'%s'", addcslashes($this->value, '\'\\'));
+		}
+
+		// from https://github.com/nikic/PHP-Parser/blob/0ffddce52d816f72d0efc4d9b02e276d3309ef01/lib/PhpParser/PrettyPrinter/Standard.php#L1010-L1040
+		return sprintf('"%s"', $this->escapeDoubleQuotedString());
+	}
+
+	private function escapeDoubleQuotedString(): string
+	{
+		$quote = '"';
+		$escaped = addcslashes($this->value, "\n\r\t\f\v$" . $quote . '\\');
+
+		// Escape control characters and non-UTF-8 characters.
+		// Regex based on https://stackoverflow.com/a/11709412/385378.
+		$regex = '/(
+              [\x00-\x08\x0E-\x1F] # Control characters
+            | [\xC0-\xC1] # Invalid UTF-8 Bytes
+            | [\xF5-\xFF] # Invalid UTF-8 Bytes
+            | \xE0(?=[\x80-\x9F]) # Overlong encoding of prior code point
+            | \xF0(?=[\x80-\x8F]) # Overlong encoding of prior code point
+            | [\xC2-\xDF](?![\x80-\xBF]) # Invalid UTF-8 Sequence Start
+            | [\xE0-\xEF](?![\x80-\xBF]{2}) # Invalid UTF-8 Sequence Start
+            | [\xF0-\xF4](?![\x80-\xBF]{3}) # Invalid UTF-8 Sequence Start
+            | (?<=[\x00-\x7F\xF5-\xFF])[\x80-\xBF] # Invalid UTF-8 Sequence Middle
+            | (?<![\xC2-\xDF]|[\xE0-\xEF]|[\xE0-\xEF][\x80-\xBF]|[\xF0-\xF4]|[\xF0-\xF4][\x80-\xBF]|[\xF0-\xF4][\x80-\xBF]{2})[\x80-\xBF] # Overlong Sequence
+            | (?<=[\xE0-\xEF])[\x80-\xBF](?![\x80-\xBF]) # Short 3 byte sequence
+            | (?<=[\xF0-\xF4])[\x80-\xBF](?![\x80-\xBF]{2}) # Short 4 byte sequence
+            | (?<=[\xF0-\xF4][\x80-\xBF])[\x80-\xBF](?![\x80-\xBF]) # Short 4 byte sequence (2)
+        )/x';
+		return preg_replace_callback($regex, static function ($matches) {
+			assert(strlen($matches[0]) === 1);
+			$hex = dechex(ord($matches[0]));
+
+			return '\\x' . str_pad($hex, 2, '0', STR_PAD_LEFT);
+		}, $escaped);
+	}
+
+}