1<?php
2/**
3 * Squiz_Sniffs_Objects_ObjectInstantiationSniff.
4 *
5 * PHP version 5
6 *
7 * @category  PHP
8 * @package   PHP_CodeSniffer
9 * @author    Greg Sherwood <gsherwood@squiz.net>
10 * @author    Marc McIntyre <mmcintyre@squiz.net>
11 * @copyright 2006-2014 Squiz Pty Ltd (ABN 77 084 670 600)
12 * @license   https://github.com/squizlabs/PHP_CodeSniffer/blob/master/licence.txt BSD Licence
13 * @link      http://pear.php.net/package/PHP_CodeSniffer
14 */
15
16/**
17 * Squiz_Sniffs_Objects_ObjectInstantiationSniff.
18 *
19 * Ensures objects are assigned to a variable when instantiated.
20 *
21 * @category  PHP
22 * @package   PHP_CodeSniffer
23 * @author    Greg Sherwood <gsherwood@squiz.net>
24 * @author    Marc McIntyre <mmcintyre@squiz.net>
25 * @copyright 2006-2014 Squiz Pty Ltd (ABN 77 084 670 600)
26 * @license   https://github.com/squizlabs/PHP_CodeSniffer/blob/master/licence.txt BSD Licence
27 * @version   Release: @package_version@
28 * @link      http://pear.php.net/package/PHP_CodeSniffer
29 */
30class Squiz_Sniffs_Objects_ObjectInstantiationSniff implements PHP_CodeSniffer_Sniff
31{
32
33
34    /**
35     * Registers the token types that this sniff wishes to listen to.
36     *
37     * @return array
38     */
39    public function register()
40    {
41        return array(T_NEW);
42
43    }//end register()
44
45
46    /**
47     * Process the tokens that this sniff is listening for.
48     *
49     * @param PHP_CodeSniffer_File $phpcsFile The file where the token was found.
50     * @param int                  $stackPtr  The position in the stack where
51     *                                        the token was found.
52     *
53     * @return void
54     */
55    public function process(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
56    {
57        $tokens = $phpcsFile->getTokens();
58
59        $allowedTokens   = PHP_CodeSniffer_Tokens::$emptyTokens;
60        $allowedTokens[] = T_BITWISE_AND;
61
62        $prev = $phpcsFile->findPrevious($allowedTokens, ($stackPtr - 1), null, true);
63
64        $allowedTokens = array(
65                          T_EQUAL        => true,
66                          T_DOUBLE_ARROW => true,
67                          T_THROW        => true,
68                          T_RETURN       => true,
69                          T_INLINE_THEN  => true,
70                          T_INLINE_ELSE  => true,
71                         );
72
73        if (isset($allowedTokens[$tokens[$prev]['code']]) === false) {
74            $error = 'New objects must be assigned to a variable';
75            $phpcsFile->addError($error, $stackPtr, 'NotAssigned');
76        }
77
78    }//end process()
79
80
81}//end class
82