/** * @param array $tokens * The tokens from token_get_all() * @param int $iParent * Before: Position on T_FUNCTION. * After, success: Position directly after the closing '}' or ';'. * After, failure: Same as before. * @param true[] $modifiers * E.g. array(T_ABSTRACT => true, T_PRIVATE => true) * @param string $docComment * * @return false|\Donquixote\HastyPhpAst\Ast\FunctionLike\AstFunctionLike */ function parse(array $tokens, &$iParent, array $modifiers = array(), $docComment = NULL) { $i = $iParent; $id = ParserUtil::nextSubstantialExcl($tokens, $i); if ('&' === $id) { $modifiers['&'] = TRUE; $id = ParserUtil::nextSubstantialExcl($tokens, $i); } if (T_STRING !== $id) { return FALSE; } $name = $tokens[$i][1]; $id = ParserUtil::nextSubstantialExcl($tokens, $i); if ('(' !== $id) { return FALSE; } // Skip the signature. ParserUtil::skipCurvy($tokens, $i); $id = ParserUtil::nextSubstantialIncl($tokens, $i); if (';' === $id) { $iParent = $i + 1; return new AstFunctionLike($docComment, $modifiers, $name); } elseif ('{' === $id) { ParserUtil::skipCurly($tokens, $i); $iParent = $i; return new AstFunctionLike($docComment, $modifiers, $name); } else { return FALSE; } }
/** * @param mixed[] $tokens * @param int $i * * @return mixed */ private function doParse(array $tokens, &$i) { $id = ParserUtil::nextSubstantialIncl($tokens, $i); if (T_USE === $id) { return ParserUtil::parseUseStatementGroup($tokens, $i); } elseif (T_NAMESPACE === $id) { return ParserUtil::parseNamespaceDeclaration($tokens, $i); } elseif (T_FINAL === $id || T_ABSTRACT === $id) { if (T_DOC_COMMENT === $tokens[$i - 2][0]) { $docComment = $tokens[$i - 2][1]; } else { $docComment = NULL; } $modifiers = array($id => TRUE); while (TRUE) { $id = ParserUtil::nextSubstantialExcl($tokens, $i); $modifiers[$id] = TRUE; if (T_CLASS === $id || T_INTERFACE === $id || T_TRAIT === $id) { return $this->classLikeParser->parse($tokens, $i, $modifiers, $docComment); } elseif (T_FINAL === $id || T_ABSTRACT === $id) { $modifiers[$id] = TRUE; } else { // Something other than the above does not belong here. return FALSE; } } throw new \RuntimeException('Unreachable code.'); } elseif (T_CLASS === $id || T_INTERFACE === $id || T_TRAIT === $id) { if (T_DOC_COMMENT === $tokens[$i - 2][0]) { $docComment = $tokens[$i - 2][1]; } else { $docComment = NULL; } return $this->classLikeParser->parse($tokens, $i, array($id => TRUE), $docComment); } elseif ('#' === $id) { return FALSE; } else { return self::ignoreStatement($tokens, $i); } }
/** * @param array $tokens * The tokens from token_get_all() * @param int $iParent * Before: Position of the T_CLASS or T_INTERFACE or T_TRAIT. * After, success: Position after the closing '}' or ';'. * After, failure: Same as before. * @param true[] $modifiers * E.g. array(T_ABSTRACT => true, T_INTERFACE => true, T_PRIVATE => true) * @param string $docComment * Doc comment collected in calling code. * * @return mixed|false|null * FALSE, if this parser does not match. * NULL, if the parsed element can be skipped in the result. * A parse subtree, otherwise. * * @throws ParseError * If a syntax error is found in the code. * * @see token_get_all() */ function parse(array $tokens, &$iParent, array $modifiers = array(), $docComment = NULL) { $i = $iParent; $id = ParserUtil::nextSubstantialExcl($tokens, $i); if (T_STRING !== $id) { return FALSE; } $shortName = $tokens[$i][1]; $id = ParserUtil::nextSubstantialExcl($tokens, $i); $extendsAliases = array(); if (T_EXTENDS === $id) { ++$i; $extendsAliases = ParserUtil::parseIdentifierList($tokens, $i); if (FALSE === $extendsAliases) { return FALSE; } $id = ParserUtil::nextSubstantialIncl($tokens, $i); } $implementsAliases = array(); if (T_IMPLEMENTS === $id) { ++$i; $implementsAliases = ParserUtil::parseIdentifierList($tokens, $i); if (FALSE === $implementsAliases) { return FALSE; } $id = ParserUtil::nextSubstantialIncl($tokens, $i); } if ('{' !== $id) { return FALSE; } $body = $this->classBodyParser->parse($tokens, $i); if (FALSE === $body) { return FALSE; } $iParent = $i; return new AstClassLike($docComment, $modifiers, $shortName, $extendsAliases, $implementsAliases, $body); }
/** * @param mixed[] $tokens * @param int $i * Before: Position on the T_NAMESPACE. * After (success): Position after the ';'. * * @return bool|\Donquixote\HastyPhpAst\Ast\Namespace_\AstNamespaceDeclaration */ static function parseNamespaceDeclaration(array $tokens, &$i) { $id = ParserUtil::nextSubstantialExcl($tokens, $i); if (T_STRING !== $id) { return FALSE; } $fqcn = Ptk_Qcn::parse($tokens, $i); if (FALSE === $fqcn) { return FALSE; } return new AstNamespaceDeclaration($fqcn); }