15114979259

Committed 19 May 2025 01:58PM UTC coverage: 78.674% (+0.04%) from 78.632%

Build # 15114979259

Build Type

Pull #880

github

Committed by

web-flow

Commit Message

Merge 17601e27d into ad852ee16

Pull Request Pull Request #880: Generic/InlineControlStructure: bail early for control structures without body

Run Details

48 of 48 new or added lines in 1 file covered. (100.0%)

1 existing line in 1 file now uncovered.

19663 of 24993 relevant lines covered (78.67%)

88.73 hits per line

Source File
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96.03

/src/Standards/Generic/Sniffs/ControlStructures/InlineControlStructureSniff.php

<?php
/**
 * Verifies that inline control statements are not present.
 *
 * @author    Greg Sherwood <gsherwood@squiz.net>
 * @copyright 2006-2015 Squiz Pty Ltd (ABN 77 084 670 600)
 * @license   https://github.com/PHPCSStandards/PHP_CodeSniffer/blob/master/licence.txt BSD Licence
 */

namespace PHP_CodeSniffer\Standards\Generic\Sniffs\ControlStructures;

use PHP_CodeSniffer\Files\File;
use PHP_CodeSniffer\Sniffs\Sniff;
use PHP_CodeSniffer\Util\Tokens;

class InlineControlStructureSniff implements Sniff
{

    /**
     * If true, an error will be thrown; otherwise a warning.
     *
     * @var boolean
     */
    public $error = true;


    /**
     * Returns an array of tokens this test wants to listen for.
     *
     * @return array<int|string>
     */
    public function register()
    {
        return [
            T_IF,
            T_ELSE,
            T_ELSEIF,
            T_FOREACH,
            T_WHILE,
            T_DO,
            T_FOR,
        ];

    }//end register()


    /**
     * Processes this test, when one of its tokens is encountered.
     *
     * @param \PHP_CodeSniffer\Files\File $phpcsFile The file being scanned.
     * @param int                         $stackPtr  The position of the current token in the
     *                                               stack passed in $tokens.
     *
     * @return void|int
     */
    public function process(File $phpcsFile, $stackPtr)
    {
        $tokens = $phpcsFile->getTokens();

        if (isset($tokens[$stackPtr]['scope_opener']) === true) {
            $phpcsFile->recordMetric($stackPtr, 'Control structure defined inline', 'no');
            return;
        }

        // Ignore the ELSE in ELSE IF. We'll process the IF part later.
        if ($tokens[$stackPtr]['code'] === T_ELSE) {
            $next = $phpcsFile->findNext(Tokens::EMPTY_TOKENS, ($stackPtr + 1), null, true);
            if ($tokens[$next]['code'] === T_IF) {
                return;
            }
        }

        if (isset($tokens[$stackPtr]['parenthesis_closer']) === true) {
            $nextTokenIndex = ($tokens[$stackPtr]['parenthesis_closer'] + 1);
        } else if (in_array($tokens[$stackPtr]['code'], [T_ELSE, T_DO], true) === true) {
            $nextTokenIndex = ($stackPtr + 1);
        }

        if (isset($nextTokenIndex) === true) {
            $firstNonEmptyToken = $phpcsFile->findNext(Tokens::EMPTY_TOKENS, $nextTokenIndex, null, true);
            if ($firstNonEmptyToken === false) {
                // Live coding.
                return;
            }

            if ($tokens[$firstNonEmptyToken]['code'] === T_SEMICOLON) {
                // This is a control structure without a body. Bow out.
                $phpcsFile->recordMetric($stackPtr, 'Control structure defined inline', 'no');
                return;
            }
        }

        if (isset($tokens[$stackPtr]['parenthesis_opener'], $tokens[$stackPtr]['parenthesis_closer']) === false
            && $tokens[$stackPtr]['code'] !== T_ELSE
        ) {
            if ($tokens[$stackPtr]['code'] !== T_DO) {
                // Live coding or parse error.
                return;
            }

            $nextWhile = $phpcsFile->findNext(T_WHILE, ($stackPtr + 1));
            if ($nextWhile !== false
                && isset($tokens[$nextWhile]['parenthesis_opener'], $tokens[$nextWhile]['parenthesis_closer']) === false
            ) {
                // Live coding or parse error.
                return;
            }

            unset($nextWhile);
        }

        $start = $stackPtr;
        if (isset($tokens[$stackPtr]['parenthesis_closer']) === true) {
            $start = $tokens[$stackPtr]['parenthesis_closer'];
        }

        $nextNonEmpty = $phpcsFile->findNext(Tokens::EMPTY_TOKENS, ($start + 1), null, true);
        if ($nextNonEmpty === false) {
            // Live coding or parse error.
            return;
        }

        if ($tokens[$nextNonEmpty]['code'] === T_OPEN_CURLY_BRACKET
            || $tokens[$nextNonEmpty]['code'] === T_COLON
        ) {
            // T_CLOSE_CURLY_BRACKET missing, or alternative control structure with
            // T_END... missing. Either live coding, parse error or end
            // tag in short open tags and scan run with short_open_tag=Off.
            // Bow out completely as any further detection will be unreliable
            // and create incorrect fixes or cause fixer conflicts.
            return $phpcsFile->numTokens;
        }

        unset($nextNonEmpty, $start);

        // This is a control structure without an opening brace,
        // so it is an inline statement.
        if ($this->error === true) {
            $fix = $phpcsFile->addFixableError('Inline control structures are not allowed', $stackPtr, 'NotAllowed');
        } else {
            $fix = $phpcsFile->addFixableWarning('Inline control structures are discouraged', $stackPtr, 'Discouraged');
        }

        $phpcsFile->recordMetric($stackPtr, 'Control structure defined inline', 'yes');

        // Stop here if we are not fixing the error.
        if ($fix !== true) {
            return;
        }

        $phpcsFile->fixer->beginChangeset();
        if (isset($tokens[$stackPtr]['parenthesis_closer']) === true) {
            $closer = $tokens[$stackPtr]['parenthesis_closer'];
        } else {
            $closer = $stackPtr;
        }

        if ($tokens[($closer + 1)]['code'] === T_WHITESPACE) {
            $phpcsFile->fixer->addContent($closer, ' {');
        } else {
            $phpcsFile->fixer->addContent($closer, ' { ');
        }

        $fixableScopeOpeners = $this->register();

        $lastNonEmpty = $closer;
        for ($end = ($closer + 1); $end < $phpcsFile->numTokens; $end++) {
            if ($tokens[$end]['code'] === T_SEMICOLON) {
                break;
            }

            if ($tokens[$end]['code'] === T_CLOSE_TAG) {
                $end = $lastNonEmpty;
                break;
            }

            if (in_array($tokens[$end]['code'], $fixableScopeOpeners, true) === true
                && isset($tokens[$end]['scope_opener']) === false
            ) {
                // The best way to fix nested inline scopes is middle-out.
                // So skip this one. It will be detected and fixed on a future loop.
                $phpcsFile->fixer->rollbackChangeset();
                return;
            }

            if (isset($tokens[$end]['scope_opener']) === true) {
                $type = $tokens[$end]['code'];
                $end  = $tokens[$end]['scope_closer'];
                if ($type === T_DO
                    || $type === T_IF || $type === T_ELSEIF
                    || $type === T_TRY || $type === T_CATCH || $type === T_FINALLY
                ) {
                    $next = $phpcsFile->findNext(Tokens::EMPTY_TOKENS, ($end + 1), null, true);
                    if ($next === false) {
                        break;
                    }

                    $nextType = $tokens[$next]['code'];

                    // Let additional conditions loop and find their ending.
                    if (($type === T_IF
                        || $type === T_ELSEIF)
                        && ($nextType === T_ELSEIF
                        || $nextType === T_ELSE)
                    ) {
                        continue;
                    }

                    // Account for TRY... CATCH/FINALLY statements.
                    if (($type === T_TRY
                        || $type === T_CATCH
                        || $type === T_FINALLY)
                        && ($nextType === T_CATCH
                        || $nextType === T_FINALLY)
                    ) {
                        continue;
                    }

                    // Account for DO... WHILE conditions.
                    if ($type === T_DO && $nextType === T_WHILE) {
                        $end = $phpcsFile->findNext(T_SEMICOLON, ($next + 1));
                    }
                } else if ($type === T_CLOSURE) {
                    // There should be a semicolon after the closing brace.
                    $next = $phpcsFile->findNext(Tokens::EMPTY_TOKENS, ($end + 1), null, true);
                    if ($next !== false && $tokens[$next]['code'] === T_SEMICOLON) {
                        $end = $next;
                    }
                }//end if

                if ($tokens[$end]['code'] !== T_END_HEREDOC
                    && $tokens[$end]['code'] !== T_END_NOWDOC
                ) {
                    break;
                }
            }//end if

            if (isset($tokens[$end]['parenthesis_closer']) === true) {
                $end          = $tokens[$end]['parenthesis_closer'];
                $lastNonEmpty = $end;
                continue;
            }

            if ($tokens[$end]['code'] !== T_WHITESPACE) {
                $lastNonEmpty = $end;
            }
        }//end for

        if ($end === $phpcsFile->numTokens) {
            $end = $lastNonEmpty;
        }

        $nextContent = $phpcsFile->findNext(Tokens::EMPTY_TOKENS, ($end + 1), null, true);

        if ($nextContent === false || $tokens[$nextContent]['line'] !== $tokens[$end]['line']) {
            // Account for a comment on the end of the line.
            for ($endLine = $end; $endLine < $phpcsFile->numTokens; $endLine++) {
                if (isset($tokens[($endLine + 1)]) === false
                    || $tokens[$endLine]['line'] !== $tokens[($endLine + 1)]['line']
                ) {
                    break;
                }
            }

            if (isset(Tokens::COMMENT_TOKENS[$tokens[$endLine]['code']]) === false
                && ($tokens[$endLine]['code'] !== T_WHITESPACE
                || isset(Tokens::COMMENT_TOKENS[$tokens[($endLine - 1)]['code']]) === false)
            ) {
                $endLine = $end;
            }
        } else {
            $endLine = $end;
        }

        if ($endLine !== $end) {
            $endToken     = $endLine;
            $addedContent = '';
        } else {
            $endToken     = $end;
            $addedContent = $phpcsFile->eolChar;

            if ($tokens[$end]['code'] !== T_SEMICOLON
                && $tokens[$end]['code'] !== T_CLOSE_CURLY_BRACKET
            ) {
                $phpcsFile->fixer->addContent($end, '; ');
            }
        }

        $next = $phpcsFile->findNext(T_WHITESPACE, ($endToken + 1), null, true);
        if ($next !== false
            && ($tokens[$next]['code'] === T_ELSE
            || $tokens[$next]['code'] === T_ELSEIF)
        ) {
            $phpcsFile->fixer->addContentBefore($next, '} ');
        } else {
            $indent = '';
            for ($first = $stackPtr; $first > 0; $first--) {
                if ($tokens[$first]['column'] === 1) {
                    break;
                }
            }

            if ($tokens[$first]['code'] === T_WHITESPACE) {
                $indent = $tokens[$first]['content'];
            } else if ($tokens[$first]['code'] === T_INLINE_HTML
                || $tokens[$first]['code'] === T_OPEN_TAG
            ) {
                $addedContent = '';
            }

            $addedContent .= $indent.'}';
            if ($next !== false && $tokens[$endToken]['code'] === T_COMMENT) {
                $addedContent .= $phpcsFile->eolChar;
            }

            $phpcsFile->fixer->addContent($endToken, $addedContent);
        }//end if

        $phpcsFile->fixer->endChangeset();

    }//end process()


}//end class

1	<?php
2	/**
3	* Verifies that inline control statements are not present.
4	*
5	* @author Greg Sherwood <gsherwood@squiz.net>
6	* @copyright 2006-2015 Squiz Pty Ltd (ABN 77 084 670 600)
7	* @license https://github.com/PHPCSStandards/PHP_CodeSniffer/blob/master/licence.txt BSD Licence
8	*/
9
10	namespace PHP_CodeSniffer\Standards\Generic\Sniffs\ControlStructures;
11
12	use PHP_CodeSniffer\Files\File;
13	use PHP_CodeSniffer\Sniffs\Sniff;
14	use PHP_CodeSniffer\Util\Tokens;
15
16	class InlineControlStructureSniff implements Sniff
17	{
18
19	/**
20	* If true, an error will be thrown; otherwise a warning.
21	*
22	* @var boolean
23	*/
24	public $error = true;
25
26
27	/**
28	* Returns an array of tokens this test wants to listen for.
29	*
30	* @return array<int\|string>
31	*/
32	public function register()	3✔
33	{
34	return [	2✔
35	T_IF,	3✔
36	T_ELSE,	3✔
37	T_ELSEIF,	3✔
38	T_FOREACH,	3✔
39	T_WHILE,	3✔
40	T_DO,	3✔
41	T_FOR,	3✔
42	];	2✔
43
44	}//end register()
45
46
47	/**
48	* Processes this test, when one of its tokens is encountered.
49	*
50	* @param \PHP_CodeSniffer\Files\File $phpcsFile The file being scanned.
51	* @param int $stackPtr The position of the current token in the
52	* stack passed in $tokens.
53	*
54	* @return void\|int
55	*/
56	public function process(File $phpcsFile, $stackPtr)	3✔
57	{
58	$tokens = $phpcsFile->getTokens();	3✔
59
60	if (isset($tokens[$stackPtr]['scope_opener']) === true) {	3✔
61	$phpcsFile->recordMetric($stackPtr, 'Control structure defined inline', 'no');	3✔
62	return;	3✔
63	}
64
65	// Ignore the ELSE in ELSE IF. We'll process the IF part later.
66	if ($tokens[$stackPtr]['code'] === T_ELSE) {	3✔
67	$next = $phpcsFile->findNext(Tokens::EMPTY_TOKENS, ($stackPtr + 1), null, true);	3✔
68	if ($tokens[$next]['code'] === T_IF) {	3✔
69	return;	3✔
70	}
71	}
72
73	if (isset($tokens[$stackPtr]['parenthesis_closer']) === true) {	3✔
74	$nextTokenIndex = ($tokens[$stackPtr]['parenthesis_closer'] + 1);	3✔
75	} else if (in_array($tokens[$stackPtr]['code'], [T_ELSE, T_DO], true) === true) {	3✔
76	$nextTokenIndex = ($stackPtr + 1);	3✔
77	}
78
79	if (isset($nextTokenIndex) === true) {	3✔
80	$firstNonEmptyToken = $phpcsFile->findNext(Tokens::EMPTY_TOKENS, $nextTokenIndex, null, true);	3✔
81	if ($firstNonEmptyToken === false) {	3✔
82	// Live coding.
83	return;	3✔
84	}
85
86	if ($tokens[$firstNonEmptyToken]['code'] === T_SEMICOLON) {	3✔
87	// This is a control structure without a body. Bow out.
88	$phpcsFile->recordMetric($stackPtr, 'Control structure defined inline', 'no');	3✔
89	return;	3✔
90	}
91	}
92
93	if (isset($tokens[$stackPtr]['parenthesis_opener'], $tokens[$stackPtr]['parenthesis_closer']) === false	3✔
94	&& $tokens[$stackPtr]['code'] !== T_ELSE	3✔
95	) {
96	if ($tokens[$stackPtr]['code'] !== T_DO) {	3✔
97	// Live coding or parse error.
98	return;	3✔
99	}
100
101	$nextWhile = $phpcsFile->findNext(T_WHILE, ($stackPtr + 1));	3✔
102	if ($nextWhile !== false	3✔
103	&& isset($tokens[$nextWhile]['parenthesis_opener'], $tokens[$nextWhile]['parenthesis_closer']) === false	3✔
104	) {
105	// Live coding or parse error.
106	return;	3✔
107	}
108
109	unset($nextWhile);	×
110	}
111
112	$start = $stackPtr;	3✔
113	if (isset($tokens[$stackPtr]['parenthesis_closer']) === true) {	3✔
114	$start = $tokens[$stackPtr]['parenthesis_closer'];	3✔
115	}
116
117	$nextNonEmpty = $phpcsFile->findNext(Tokens::EMPTY_TOKENS, ($start + 1), null, true);	3✔
118	if ($nextNonEmpty === false) {	3✔
119	// Live coding or parse error.
UNCOV 120	return;	×
121	}
122
123	if ($tokens[$nextNonEmpty]['code'] === T_OPEN_CURLY_BRACKET	3✔
124	\|\| $tokens[$nextNonEmpty]['code'] === T_COLON	3✔
125	) {
126	// T_CLOSE_CURLY_BRACKET missing, or alternative control structure with
127	// T_END... missing. Either live coding, parse error or end
128	// tag in short open tags and scan run with short_open_tag=Off.
129	// Bow out completely as any further detection will be unreliable
130	// and create incorrect fixes or cause fixer conflicts.
131	return $phpcsFile->numTokens;	2✔
132	}
133
134	unset($nextNonEmpty, $start);	3✔
135
136	// This is a control structure without an opening brace,
137	// so it is an inline statement.
138	if ($this->error === true) {	3✔
139	$fix = $phpcsFile->addFixableError('Inline control structures are not allowed', $stackPtr, 'NotAllowed');	3✔
140	} else {
141	$fix = $phpcsFile->addFixableWarning('Inline control structures are discouraged', $stackPtr, 'Discouraged');	×
142	}
143
144	$phpcsFile->recordMetric($stackPtr, 'Control structure defined inline', 'yes');	3✔
145
146	// Stop here if we are not fixing the error.
147	if ($fix !== true) {	3✔
148	return;	3✔
149	}
150
151	$phpcsFile->fixer->beginChangeset();	3✔
152	if (isset($tokens[$stackPtr]['parenthesis_closer']) === true) {	3✔
153	$closer = $tokens[$stackPtr]['parenthesis_closer'];	3✔
154	} else {
155	$closer = $stackPtr;	3✔
156	}
157
158	if ($tokens[($closer + 1)]['code'] === T_WHITESPACE) {	3✔
159	$phpcsFile->fixer->addContent($closer, ' {');	3✔
160	} else {
161	$phpcsFile->fixer->addContent($closer, ' { ');	×
162	}
163
164	$fixableScopeOpeners = $this->register();	3✔
165
166	$lastNonEmpty = $closer;	3✔
167	for ($end = ($closer + 1); $end < $phpcsFile->numTokens; $end++) {	3✔
168	if ($tokens[$end]['code'] === T_SEMICOLON) {	3✔
169	break;	3✔
170	}
171
172	if ($tokens[$end]['code'] === T_CLOSE_TAG) {	3✔
173	$end = $lastNonEmpty;	3✔
174	break;	3✔
175	}
176
177	if (in_array($tokens[$end]['code'], $fixableScopeOpeners, true) === true	3✔
178	&& isset($tokens[$end]['scope_opener']) === false	3✔
179	) {
180	// The best way to fix nested inline scopes is middle-out.
181	// So skip this one. It will be detected and fixed on a future loop.
182	$phpcsFile->fixer->rollbackChangeset();	3✔
183	return;	3✔
184	}
185
186	if (isset($tokens[$end]['scope_opener']) === true) {	3✔
187	$type = $tokens[$end]['code'];	3✔
188	$end = $tokens[$end]['scope_closer'];	3✔
189	if ($type === T_DO	3✔
190	\|\| $type === T_IF \|\| $type === T_ELSEIF	3✔
191	\|\| $type === T_TRY \|\| $type === T_CATCH \|\| $type === T_FINALLY	3✔
192	) {
193	$next = $phpcsFile->findNext(Tokens::EMPTY_TOKENS, ($end + 1), null, true);	3✔
194	if ($next === false) {	3✔
195	break;	×
196	}
197
198	$nextType = $tokens[$next]['code'];	3✔
199
200	// Let additional conditions loop and find their ending.
201	if (($type === T_IF	3✔
202	\|\| $type === T_ELSEIF)	3✔
203	&& ($nextType === T_ELSEIF	3✔
204	\|\| $nextType === T_ELSE)	3✔
205	) {
206	continue;	3✔
207	}
208
209	// Account for TRY... CATCH/FINALLY statements.
210	if (($type === T_TRY	3✔
211	\|\| $type === T_CATCH	3✔
212	\|\| $type === T_FINALLY)	3✔
213	&& ($nextType === T_CATCH	3✔
214	\|\| $nextType === T_FINALLY)	3✔
215	) {
216	continue;	3✔
217	}
218
219	// Account for DO... WHILE conditions.
220	if ($type === T_DO && $nextType === T_WHILE) {	3✔
221	$end = $phpcsFile->findNext(T_SEMICOLON, ($next + 1));	3✔
222	}
223	} else if ($type === T_CLOSURE) {	3✔
224	// There should be a semicolon after the closing brace.
225	$next = $phpcsFile->findNext(Tokens::EMPTY_TOKENS, ($end + 1), null, true);	3✔
226	if ($next !== false && $tokens[$next]['code'] === T_SEMICOLON) {	3✔
227	$end = $next;	3✔
228	}
229	}//end if
230
231	if ($tokens[$end]['code'] !== T_END_HEREDOC	3✔
232	&& $tokens[$end]['code'] !== T_END_NOWDOC	3✔
233	) {
234	break;	3✔
235	}
236	}//end if
237
238	if (isset($tokens[$end]['parenthesis_closer']) === true) {	3✔
239	$end = $tokens[$end]['parenthesis_closer'];	3✔
240	$lastNonEmpty = $end;	3✔
241	continue;	3✔
242	}
243
244	if ($tokens[$end]['code'] !== T_WHITESPACE) {	3✔
245	$lastNonEmpty = $end;	3✔
246	}
247	}//end for
248
249	if ($end === $phpcsFile->numTokens) {	3✔
250	$end = $lastNonEmpty;	×
251	}
252
253	$nextContent = $phpcsFile->findNext(Tokens::EMPTY_TOKENS, ($end + 1), null, true);	3✔
254
255	if ($nextContent === false \|\| $tokens[$nextContent]['line'] !== $tokens[$end]['line']) {	3✔
256	// Account for a comment on the end of the line.
257	for ($endLine = $end; $endLine < $phpcsFile->numTokens; $endLine++) {	3✔
258	if (isset($tokens[($endLine + 1)]) === false	3✔
259	\|\| $tokens[$endLine]['line'] !== $tokens[($endLine + 1)]['line']	3✔
260	) {
261	break;	3✔
262	}
263	}
264
265	if (isset(Tokens::COMMENT_TOKENS[$tokens[$endLine]['code']]) === false	3✔
266	&& ($tokens[$endLine]['code'] !== T_WHITESPACE	3✔
267	\|\| isset(Tokens::COMMENT_TOKENS[$tokens[($endLine - 1)]['code']]) === false)	3✔
268	) {
269	$endLine = $end;	3✔
270	}
271	} else {
272	$endLine = $end;	3✔
273	}
274
275	if ($endLine !== $end) {	3✔
276	$endToken = $endLine;	3✔
277	$addedContent = '';	3✔
278	} else {
279	$endToken = $end;	3✔
280	$addedContent = $phpcsFile->eolChar;	3✔
281
282	if ($tokens[$end]['code'] !== T_SEMICOLON	3✔
283	&& $tokens[$end]['code'] !== T_CLOSE_CURLY_BRACKET	3✔
284	) {
285	$phpcsFile->fixer->addContent($end, '; ');	3✔
286	}
287	}
288
289	$next = $phpcsFile->findNext(T_WHITESPACE, ($endToken + 1), null, true);	3✔
290	if ($next !== false	3✔
291	&& ($tokens[$next]['code'] === T_ELSE	3✔
292	\|\| $tokens[$next]['code'] === T_ELSEIF)	3✔
293	) {
294	$phpcsFile->fixer->addContentBefore($next, '} ');	3✔
295	} else {
296	$indent = '';	3✔
297	for ($first = $stackPtr; $first > 0; $first--) {	3✔
298	if ($tokens[$first]['column'] === 1) {	3✔
299	break;	3✔
300	}
301	}
302
303	if ($tokens[$first]['code'] === T_WHITESPACE) {	3✔
304	$indent = $tokens[$first]['content'];	3✔
305	} else if ($tokens[$first]['code'] === T_INLINE_HTML	3✔
306	\|\| $tokens[$first]['code'] === T_OPEN_TAG	3✔
307	) {
308	$addedContent = '';	3✔
309	}
310
311	$addedContent .= $indent.'}';	3✔
312	if ($next !== false && $tokens[$endToken]['code'] === T_COMMENT) {	3✔
313	$addedContent .= $phpcsFile->eolChar;	3✔
314	}
315
316	$phpcsFile->fixer->addContent($endToken, $addedContent);	3✔
317	}//end if
318
319	$phpcsFile->fixer->endChangeset();	3✔
320
321	}//end process()	1✔
322
323
324	}//end class

PHPCSStandards / PHP_CodeSniffer / 15114979259

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