84 lines
2.2 KiB
PHP
84 lines
2.2 KiB
PHP
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<?php declare(strict_types = 1);
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namespace SlevomatCodingStandard\Helpers;
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use PHP_CodeSniffer\Files\File;
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use function array_merge;
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use function in_array;
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use const T_BITWISE_OR;
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use const T_CATCH;
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use const T_FINALLY;
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/**
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* @internal
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*/
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class CatchHelper
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{
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public static function getTryEndPointer(File $phpcsFile, int $catchPointer): int
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{
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$tokens = $phpcsFile->getTokens();
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$endPointer = $tokens[$catchPointer]['scope_closer'];
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do {
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$nextPointer = TokenHelper::findNextEffective($phpcsFile, $endPointer + 1);
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if ($nextPointer === null || !in_array($tokens[$nextPointer]['code'], [T_CATCH, T_FINALLY], true)) {
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break;
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}
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$endPointer = $tokens[$nextPointer]['scope_closer'];
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} while (true);
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return $endPointer;
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}
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/**
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* @param array<string, array<int, int|string>|int|string> $catchToken
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* @return list<string>
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*/
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public static function findCaughtTypesInCatch(File $phpcsFile, array $catchToken): array
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{
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/** @var int $catchParenthesisOpenerPointer */
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$catchParenthesisOpenerPointer = $catchToken['parenthesis_opener'];
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/** @var int $catchParenthesisCloserPointer */
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$catchParenthesisCloserPointer = $catchToken['parenthesis_closer'];
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$nameTokenCodes = TokenHelper::getNameTokenCodes();
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$nameEndPointer = $catchParenthesisOpenerPointer;
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$tokens = $phpcsFile->getTokens();
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$caughtTypes = [];
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do {
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$nameStartPointer = TokenHelper::findNext(
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$phpcsFile,
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array_merge([T_BITWISE_OR], $nameTokenCodes),
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$nameEndPointer + 1,
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$catchParenthesisCloserPointer
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);
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if ($nameStartPointer === null) {
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break;
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}
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if ($tokens[$nameStartPointer]['code'] === T_BITWISE_OR) {
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/** @var int $nameStartPointer */
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$nameStartPointer = TokenHelper::findNextEffective($phpcsFile, $nameStartPointer + 1, $catchParenthesisCloserPointer);
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}
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$pointerAfterNameEndPointer = TokenHelper::findNextExcluding($phpcsFile, $nameTokenCodes, $nameStartPointer + 1);
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$nameEndPointer = $pointerAfterNameEndPointer === null ? $nameStartPointer : $pointerAfterNameEndPointer - 1;
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$caughtTypes[] = NamespaceHelper::resolveClassName(
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$phpcsFile,
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TokenHelper::getContent($phpcsFile, $nameStartPointer, $nameEndPointer),
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$catchParenthesisOpenerPointer
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);
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} while (true);
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return $caughtTypes;
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}
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}
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