--- /dev/null
+<?php
+
+namespace PhpParser;
+
+/*
+ * This parser is based on a skeleton written by Moriyoshi Koizumi, which in
+ * turn is based on work by Masato Bito.
+ */
+use PhpParser\Node\Name;
+use PhpParser\Node\Param;
+use PhpParser\Node\Scalar\LNumber;
+use PhpParser\Node\Scalar\String_;
+use PhpParser\Node\Stmt\Class_;
+use PhpParser\Node\Stmt\ClassConst;
+use PhpParser\Node\Stmt\ClassMethod;
+use PhpParser\Node\Stmt\Interface_;
+use PhpParser\Node\Stmt\Namespace_;
+use PhpParser\Node\Stmt\Property;
+use PhpParser\Node\Stmt\TryCatch;
+use PhpParser\Node\Stmt\UseUse;
+
+abstract class ParserAbstract implements Parser
+{
+ const SYMBOL_NONE = -1;
+
+ /*
+ * The following members will be filled with generated parsing data:
+ */
+
+ /** @var int Size of $tokenToSymbol map */
+ protected $tokenToSymbolMapSize;
+ /** @var int Size of $action table */
+ protected $actionTableSize;
+ /** @var int Size of $goto table */
+ protected $gotoTableSize;
+
+ /** @var int Symbol number signifying an invalid token */
+ protected $invalidSymbol;
+ /** @var int Symbol number of error recovery token */
+ protected $errorSymbol;
+ /** @var int Action number signifying default action */
+ protected $defaultAction;
+ /** @var int Rule number signifying that an unexpected token was encountered */
+ protected $unexpectedTokenRule;
+
+ protected $YY2TBLSTATE;
+ protected $YYNLSTATES;
+
+ /** @var array Map of lexer tokens to internal symbols */
+ protected $tokenToSymbol;
+ /** @var array Map of symbols to their names */
+ protected $symbolToName;
+ /** @var array Names of the production rules (only necessary for debugging) */
+ protected $productions;
+
+ /** @var array Map of states to a displacement into the $action table. The corresponding action for this
+ * state/symbol pair is $action[$actionBase[$state] + $symbol]. If $actionBase[$state] is 0, the
+ action is defaulted, i.e. $actionDefault[$state] should be used instead. */
+ protected $actionBase;
+ /** @var array Table of actions. Indexed according to $actionBase comment. */
+ protected $action;
+ /** @var array Table indexed analogously to $action. If $actionCheck[$actionBase[$state] + $symbol] != $symbol
+ * then the action is defaulted, i.e. $actionDefault[$state] should be used instead. */
+ protected $actionCheck;
+ /** @var array Map of states to their default action */
+ protected $actionDefault;
+
+ /** @var array Map of non-terminals to a displacement into the $goto table. The corresponding goto state for this
+ * non-terminal/state pair is $goto[$gotoBase[$nonTerminal] + $state] (unless defaulted) */
+ protected $gotoBase;
+ /** @var array Table of states to goto after reduction. Indexed according to $gotoBase comment. */
+ protected $goto;
+ /** @var array Table indexed analogously to $goto. If $gotoCheck[$gotoBase[$nonTerminal] + $state] != $nonTerminal
+ * then the goto state is defaulted, i.e. $gotoDefault[$nonTerminal] should be used. */
+ protected $gotoCheck;
+ /** @var array Map of non-terminals to the default state to goto after their reduction */
+ protected $gotoDefault;
+
+ /** @var array Map of rules to the non-terminal on their left-hand side, i.e. the non-terminal to use for
+ * determining the state to goto after reduction. */
+ protected $ruleToNonTerminal;
+ /** @var array Map of rules to the length of their right-hand side, which is the number of elements that have to
+ * be popped from the stack(s) on reduction. */
+ protected $ruleToLength;
+
+ /*
+ * The following members are part of the parser state:
+ */
+
+ /** @var Lexer Lexer that is used when parsing */
+ protected $lexer;
+ /** @var mixed Temporary value containing the result of last semantic action (reduction) */
+ protected $semValue;
+ /** @var int Position in stacks (state stack, semantic value stack, attribute stack) */
+ protected $stackPos;
+ /** @var array Semantic value stack (contains values of tokens and semantic action results) */
+ protected $semStack;
+ /** @var array[] Start attribute stack */
+ protected $startAttributeStack;
+ /** @var array[] End attribute stack */
+ protected $endAttributeStack;
+ /** @var array End attributes of last *shifted* token */
+ protected $endAttributes;
+ /** @var array Start attributes of last *read* token */
+ protected $lookaheadStartAttributes;
+
+ /** @var ErrorHandler Error handler */
+ protected $errorHandler;
+ /** @var Error[] Errors collected during last parse */
+ protected $errors;
+ /** @var int Error state, used to avoid error floods */
+ protected $errorState;
+
+ /**
+ * Creates a parser instance.
+ *
+ * @param Lexer $lexer A lexer
+ * @param array $options Options array. Currently no options are supported.
+ */
+ public function __construct(Lexer $lexer, array $options = array()) {
+ $this->lexer = $lexer;
+ $this->errors = array();
+
+ if (isset($options['throwOnError'])) {
+ throw new \LogicException(
+ '"throwOnError" is no longer supported, use "errorHandler" instead');
+ }
+ }
+
+ /**
+ * Parses PHP code into a node tree.
+ *
+ * If a non-throwing error handler is used, the parser will continue parsing after an error
+ * occurred and attempt to build a partial AST.
+ *
+ * @param string $code The source code to parse
+ * @param ErrorHandler|null $errorHandler Error handler to use for lexer/parser errors, defaults
+ * to ErrorHandler\Throwing.
+ *
+ * @return Node[]|null Array of statements (or null if the 'throwOnError' option is disabled and the parser was
+ * unable to recover from an error).
+ */
+ public function parse($code, ErrorHandler $errorHandler = null) {
+ $this->errorHandler = $errorHandler ?: new ErrorHandler\Throwing;
+
+ // Initialize the lexer
+ $this->lexer->startLexing($code, $this->errorHandler);
+
+ // We start off with no lookahead-token
+ $symbol = self::SYMBOL_NONE;
+
+ // The attributes for a node are taken from the first and last token of the node.
+ // From the first token only the startAttributes are taken and from the last only
+ // the endAttributes. Both are merged using the array union operator (+).
+ $startAttributes = '*POISON';
+ $endAttributes = '*POISON';
+ $this->endAttributes = $endAttributes;
+
+ // Keep stack of start and end attributes
+ $this->startAttributeStack = array();
+ $this->endAttributeStack = array($endAttributes);
+
+ // Start off in the initial state and keep a stack of previous states
+ $state = 0;
+ $stateStack = array($state);
+
+ // Semantic value stack (contains values of tokens and semantic action results)
+ $this->semStack = array();
+
+ // Current position in the stack(s)
+ $this->stackPos = 0;
+
+ $this->errorState = 0;
+
+ for (;;) {
+ //$this->traceNewState($state, $symbol);
+
+ if ($this->actionBase[$state] == 0) {
+ $rule = $this->actionDefault[$state];
+ } else {
+ if ($symbol === self::SYMBOL_NONE) {
+ // Fetch the next token id from the lexer and fetch additional info by-ref.
+ // The end attributes are fetched into a temporary variable and only set once the token is really
+ // shifted (not during read). Otherwise you would sometimes get off-by-one errors, when a rule is
+ // reduced after a token was read but not yet shifted.
+ $tokenId = $this->lexer->getNextToken($tokenValue, $startAttributes, $endAttributes);
+
+ // map the lexer token id to the internally used symbols
+ $symbol = $tokenId >= 0 && $tokenId < $this->tokenToSymbolMapSize
+ ? $this->tokenToSymbol[$tokenId]
+ : $this->invalidSymbol;
+
+ if ($symbol === $this->invalidSymbol) {
+ throw new \RangeException(sprintf(
+ 'The lexer returned an invalid token (id=%d, value=%s)',
+ $tokenId, $tokenValue
+ ));
+ }
+
+ // This is necessary to assign some meaningful attributes to /* empty */ productions. They'll get
+ // the attributes of the next token, even though they don't contain it themselves.
+ $this->startAttributeStack[$this->stackPos+1] = $startAttributes;
+ $this->endAttributeStack[$this->stackPos+1] = $endAttributes;
+ $this->lookaheadStartAttributes = $startAttributes;
+
+ //$this->traceRead($symbol);
+ }
+
+ $idx = $this->actionBase[$state] + $symbol;
+ if ((($idx >= 0 && $idx < $this->actionTableSize && $this->actionCheck[$idx] == $symbol)
+ || ($state < $this->YY2TBLSTATE
+ && ($idx = $this->actionBase[$state + $this->YYNLSTATES] + $symbol) >= 0
+ && $idx < $this->actionTableSize && $this->actionCheck[$idx] == $symbol))
+ && ($action = $this->action[$idx]) != $this->defaultAction) {
+ /*
+ * >= YYNLSTATES: shift and reduce
+ * > 0: shift
+ * = 0: accept
+ * < 0: reduce
+ * = -YYUNEXPECTED: error
+ */
+ if ($action > 0) {
+ /* shift */
+ //$this->traceShift($symbol);
+
+ ++$this->stackPos;
+ $stateStack[$this->stackPos] = $state = $action;
+ $this->semStack[$this->stackPos] = $tokenValue;
+ $this->startAttributeStack[$this->stackPos] = $startAttributes;
+ $this->endAttributeStack[$this->stackPos] = $endAttributes;
+ $this->endAttributes = $endAttributes;
+ $symbol = self::SYMBOL_NONE;
+
+ if ($this->errorState) {
+ --$this->errorState;
+ }
+
+ if ($action < $this->YYNLSTATES) {
+ continue;
+ }
+
+ /* $yyn >= YYNLSTATES means shift-and-reduce */
+ $rule = $action - $this->YYNLSTATES;
+ } else {
+ $rule = -$action;
+ }
+ } else {
+ $rule = $this->actionDefault[$state];
+ }
+ }
+
+ for (;;) {
+ if ($rule === 0) {
+ /* accept */
+ //$this->traceAccept();
+ return $this->semValue;
+ } elseif ($rule !== $this->unexpectedTokenRule) {
+ /* reduce */
+ //$this->traceReduce($rule);
+
+ try {
+ $this->{'reduceRule' . $rule}();
+ } catch (Error $e) {
+ if (-1 === $e->getStartLine() && isset($startAttributes['startLine'])) {
+ $e->setStartLine($startAttributes['startLine']);
+ }
+
+ $this->emitError($e);
+ // Can't recover from this type of error
+ return null;
+ }
+
+ /* Goto - shift nonterminal */
+ $lastEndAttributes = $this->endAttributeStack[$this->stackPos];
+ $this->stackPos -= $this->ruleToLength[$rule];
+ $nonTerminal = $this->ruleToNonTerminal[$rule];
+ $idx = $this->gotoBase[$nonTerminal] + $stateStack[$this->stackPos];
+ if ($idx >= 0 && $idx < $this->gotoTableSize && $this->gotoCheck[$idx] == $nonTerminal) {
+ $state = $this->goto[$idx];
+ } else {
+ $state = $this->gotoDefault[$nonTerminal];
+ }
+
+ ++$this->stackPos;
+ $stateStack[$this->stackPos] = $state;
+ $this->semStack[$this->stackPos] = $this->semValue;
+ $this->endAttributeStack[$this->stackPos] = $lastEndAttributes;
+ } else {
+ /* error */
+ switch ($this->errorState) {
+ case 0:
+ $msg = $this->getErrorMessage($symbol, $state);
+ $this->emitError(new Error($msg, $startAttributes + $endAttributes));
+ // Break missing intentionally
+ case 1:
+ case 2:
+ $this->errorState = 3;
+
+ // Pop until error-expecting state uncovered
+ while (!(
+ (($idx = $this->actionBase[$state] + $this->errorSymbol) >= 0
+ && $idx < $this->actionTableSize && $this->actionCheck[$idx] == $this->errorSymbol)
+ || ($state < $this->YY2TBLSTATE
+ && ($idx = $this->actionBase[$state + $this->YYNLSTATES] + $this->errorSymbol) >= 0
+ && $idx < $this->actionTableSize && $this->actionCheck[$idx] == $this->errorSymbol)
+ ) || ($action = $this->action[$idx]) == $this->defaultAction) { // Not totally sure about this
+ if ($this->stackPos <= 0) {
+ // Could not recover from error
+ return null;
+ }
+ $state = $stateStack[--$this->stackPos];
+ //$this->tracePop($state);
+ }
+
+ //$this->traceShift($this->errorSymbol);
+ ++$this->stackPos;
+ $stateStack[$this->stackPos] = $state = $action;
+
+ // We treat the error symbol as being empty, so we reset the end attributes
+ // to the end attributes of the last non-error symbol
+ $this->endAttributeStack[$this->stackPos] = $this->endAttributeStack[$this->stackPos - 1];
+ $this->endAttributes = $this->endAttributeStack[$this->stackPos - 1];
+ break;
+
+ case 3:
+ if ($symbol === 0) {
+ // Reached EOF without recovering from error
+ return null;
+ }
+
+ //$this->traceDiscard($symbol);
+ $symbol = self::SYMBOL_NONE;
+ break 2;
+ }
+ }
+
+ if ($state < $this->YYNLSTATES) {
+ break;
+ }
+
+ /* >= YYNLSTATES means shift-and-reduce */
+ $rule = $state - $this->YYNLSTATES;
+ }
+ }
+
+ throw new \RuntimeException('Reached end of parser loop');
+ }
+
+ protected function emitError(Error $error) {
+ $this->errorHandler->handleError($error);
+ }
+
+ protected function getErrorMessage($symbol, $state) {
+ $expectedString = '';
+ if ($expected = $this->getExpectedTokens($state)) {
+ $expectedString = ', expecting ' . implode(' or ', $expected);
+ }
+
+ return 'Syntax error, unexpected ' . $this->symbolToName[$symbol] . $expectedString;
+ }
+
+ protected function getExpectedTokens($state) {
+ $expected = array();
+
+ $base = $this->actionBase[$state];
+ foreach ($this->symbolToName as $symbol => $name) {
+ $idx = $base + $symbol;
+ if ($idx >= 0 && $idx < $this->actionTableSize && $this->actionCheck[$idx] === $symbol
+ || $state < $this->YY2TBLSTATE
+ && ($idx = $this->actionBase[$state + $this->YYNLSTATES] + $symbol) >= 0
+ && $idx < $this->actionTableSize && $this->actionCheck[$idx] === $symbol
+ ) {
+ if ($this->action[$idx] != $this->unexpectedTokenRule
+ && $this->action[$idx] != $this->defaultAction
+ && $symbol != $this->errorSymbol
+ ) {
+ if (count($expected) == 4) {
+ /* Too many expected tokens */
+ return array();
+ }
+
+ $expected[] = $name;
+ }
+ }
+ }
+
+ return $expected;
+ }
+
+ /*
+ * Tracing functions used for debugging the parser.
+ */
+
+ /*
+ protected function traceNewState($state, $symbol) {
+ echo '% State ' . $state
+ . ', Lookahead ' . ($symbol == self::SYMBOL_NONE ? '--none--' : $this->symbolToName[$symbol]) . "\n";
+ }
+
+ protected function traceRead($symbol) {
+ echo '% Reading ' . $this->symbolToName[$symbol] . "\n";
+ }
+
+ protected function traceShift($symbol) {
+ echo '% Shift ' . $this->symbolToName[$symbol] . "\n";
+ }
+
+ protected function traceAccept() {
+ echo "% Accepted.\n";
+ }
+
+ protected function traceReduce($n) {
+ echo '% Reduce by (' . $n . ') ' . $this->productions[$n] . "\n";
+ }
+
+ protected function tracePop($state) {
+ echo '% Recovering, uncovered state ' . $state . "\n";
+ }
+
+ protected function traceDiscard($symbol) {
+ echo '% Discard ' . $this->symbolToName[$symbol] . "\n";
+ }
+ */
+
+ /*
+ * Helper functions invoked by semantic actions
+ */
+
+ /**
+ * Moves statements of semicolon-style namespaces into $ns->stmts and checks various error conditions.
+ *
+ * @param Node[] $stmts
+ * @return Node[]
+ */
+ protected function handleNamespaces(array $stmts) {
+ $hasErrored = false;
+ $style = $this->getNamespacingStyle($stmts);
+ if (null === $style) {
+ // not namespaced, nothing to do
+ return $stmts;
+ } elseif ('brace' === $style) {
+ // For braced namespaces we only have to check that there are no invalid statements between the namespaces
+ $afterFirstNamespace = false;
+ foreach ($stmts as $stmt) {
+ if ($stmt instanceof Node\Stmt\Namespace_) {
+ $afterFirstNamespace = true;
+ } elseif (!$stmt instanceof Node\Stmt\HaltCompiler
+ && $afterFirstNamespace && !$hasErrored) {
+ $this->emitError(new Error(
+ 'No code may exist outside of namespace {}', $stmt->getAttributes()));
+ $hasErrored = true; // Avoid one error for every statement
+ }
+ }
+ return $stmts;
+ } else {
+ // For semicolon namespaces we have to move the statements after a namespace declaration into ->stmts
+ $resultStmts = array();
+ $targetStmts =& $resultStmts;
+ foreach ($stmts as $stmt) {
+ if ($stmt instanceof Node\Stmt\Namespace_) {
+ if ($stmt->stmts === null) {
+ $stmt->stmts = array();
+ $targetStmts =& $stmt->stmts;
+ $resultStmts[] = $stmt;
+ } else {
+ // This handles the invalid case of mixed style namespaces
+ $resultStmts[] = $stmt;
+ $targetStmts =& $resultStmts;
+ }
+ } elseif ($stmt instanceof Node\Stmt\HaltCompiler) {
+ // __halt_compiler() is not moved into the namespace
+ $resultStmts[] = $stmt;
+ } else {
+ $targetStmts[] = $stmt;
+ }
+ }
+ return $resultStmts;
+ }
+ }
+
+ private function getNamespacingStyle(array $stmts) {
+ $style = null;
+ $hasNotAllowedStmts = false;
+ foreach ($stmts as $i => $stmt) {
+ if ($stmt instanceof Node\Stmt\Namespace_) {
+ $currentStyle = null === $stmt->stmts ? 'semicolon' : 'brace';
+ if (null === $style) {
+ $style = $currentStyle;
+ if ($hasNotAllowedStmts) {
+ $this->emitError(new Error(
+ 'Namespace declaration statement has to be the very first statement in the script',
+ $stmt->getLine() // Avoid marking the entire namespace as an error
+ ));
+ }
+ } elseif ($style !== $currentStyle) {
+ $this->emitError(new Error(
+ 'Cannot mix bracketed namespace declarations with unbracketed namespace declarations',
+ $stmt->getLine() // Avoid marking the entire namespace as an error
+ ));
+ // Treat like semicolon style for namespace normalization
+ return 'semicolon';
+ }
+ continue;
+ }
+
+ /* declare(), __halt_compiler() and nops can be used before a namespace declaration */
+ if ($stmt instanceof Node\Stmt\Declare_
+ || $stmt instanceof Node\Stmt\HaltCompiler
+ || $stmt instanceof Node\Stmt\Nop) {
+ continue;
+ }
+
+ /* There may be a hashbang line at the very start of the file */
+ if ($i == 0 && $stmt instanceof Node\Stmt\InlineHTML && preg_match('/\A#!.*\r?\n\z/', $stmt->value)) {
+ continue;
+ }
+
+ /* Everything else if forbidden before namespace declarations */
+ $hasNotAllowedStmts = true;
+ }
+ return $style;
+ }
+
+ protected function handleBuiltinTypes(Name $name) {
+ $scalarTypes = [
+ 'bool' => true,
+ 'int' => true,
+ 'float' => true,
+ 'string' => true,
+ 'iterable' => true,
+ 'void' => true,
+ ];
+
+ if (!$name->isUnqualified()) {
+ return $name;
+ }
+
+ $lowerName = strtolower($name->toString());
+ return isset($scalarTypes[$lowerName]) ? $lowerName : $name;
+ }
+
+ protected static $specialNames = array(
+ 'self' => true,
+ 'parent' => true,
+ 'static' => true,
+ );
+
+ protected function getAttributesAt($pos) {
+ return $this->startAttributeStack[$pos] + $this->endAttributeStack[$pos];
+ }
+
+ protected function parseLNumber($str, $attributes, $allowInvalidOctal = false) {
+ try {
+ return LNumber::fromString($str, $attributes, $allowInvalidOctal);
+ } catch (Error $error) {
+ $this->emitError($error);
+ // Use dummy value
+ return new LNumber(0, $attributes);
+ }
+ }
+
+ protected function parseNumString($str, $attributes) {
+ if (!preg_match('/^(?:0|-?[1-9][0-9]*)$/', $str)) {
+ return new String_($str, $attributes);
+ }
+
+ $num = +$str;
+ if (!is_int($num)) {
+ return new String_($str, $attributes);
+ }
+
+ return new LNumber($num, $attributes);
+ }
+
+ protected function checkModifier($a, $b, $modifierPos) {
+ // Jumping through some hoops here because verifyModifier() is also used elsewhere
+ try {
+ Class_::verifyModifier($a, $b);
+ } catch (Error $error) {
+ $error->setAttributes($this->getAttributesAt($modifierPos));
+ $this->emitError($error);
+ }
+ }
+
+ protected function checkParam(Param $node) {
+ if ($node->variadic && null !== $node->default) {
+ $this->emitError(new Error(
+ 'Variadic parameter cannot have a default value',
+ $node->default->getAttributes()
+ ));
+ }
+ }
+
+ protected function checkTryCatch(TryCatch $node) {
+ if (empty($node->catches) && null === $node->finally) {
+ $this->emitError(new Error(
+ 'Cannot use try without catch or finally', $node->getAttributes()
+ ));
+ }
+ }
+
+ protected function checkNamespace(Namespace_ $node) {
+ if (isset(self::$specialNames[strtolower($node->name)])) {
+ $this->emitError(new Error(
+ sprintf('Cannot use \'%s\' as namespace name', $node->name),
+ $node->name->getAttributes()
+ ));
+ }
+
+ if (null !== $node->stmts) {
+ foreach ($node->stmts as $stmt) {
+ if ($stmt instanceof Namespace_) {
+ $this->emitError(new Error(
+ 'Namespace declarations cannot be nested', $stmt->getAttributes()
+ ));
+ }
+ }
+ }
+ }
+
+ protected function checkClass(Class_ $node, $namePos) {
+ if (null !== $node->name && isset(self::$specialNames[strtolower($node->name)])) {
+ $this->emitError(new Error(
+ sprintf('Cannot use \'%s\' as class name as it is reserved', $node->name),
+ $this->getAttributesAt($namePos)
+ ));
+ }
+
+ if (isset(self::$specialNames[strtolower($node->extends)])) {
+ $this->emitError(new Error(
+ sprintf('Cannot use \'%s\' as class name as it is reserved', $node->extends),
+ $node->extends->getAttributes()
+ ));
+ }
+
+ foreach ($node->implements as $interface) {
+ if (isset(self::$specialNames[strtolower($interface)])) {
+ $this->emitError(new Error(
+ sprintf('Cannot use \'%s\' as interface name as it is reserved', $interface),
+ $interface->getAttributes()
+ ));
+ }
+ }
+ }
+
+ protected function checkInterface(Interface_ $node, $namePos) {
+ if (null !== $node->name && isset(self::$specialNames[strtolower($node->name)])) {
+ $this->emitError(new Error(
+ sprintf('Cannot use \'%s\' as class name as it is reserved', $node->name),
+ $this->getAttributesAt($namePos)
+ ));
+ }
+
+ foreach ($node->extends as $interface) {
+ if (isset(self::$specialNames[strtolower($interface)])) {
+ $this->emitError(new Error(
+ sprintf('Cannot use \'%s\' as interface name as it is reserved', $interface),
+ $interface->getAttributes()
+ ));
+ }
+ }
+ }
+
+ protected function checkClassMethod(ClassMethod $node, $modifierPos) {
+ if ($node->flags & Class_::MODIFIER_STATIC) {
+ switch (strtolower($node->name)) {
+ case '__construct':
+ $this->emitError(new Error(
+ sprintf('Constructor %s() cannot be static', $node->name),
+ $this->getAttributesAt($modifierPos)));
+ break;
+ case '__destruct':
+ $this->emitError(new Error(
+ sprintf('Destructor %s() cannot be static', $node->name),
+ $this->getAttributesAt($modifierPos)));
+ break;
+ case '__clone':
+ $this->emitError(new Error(
+ sprintf('Clone method %s() cannot be static', $node->name),
+ $this->getAttributesAt($modifierPos)));
+ break;
+ }
+ }
+ }
+
+ protected function checkClassConst(ClassConst $node, $modifierPos) {
+ if ($node->flags & Class_::MODIFIER_STATIC) {
+ $this->emitError(new Error(
+ "Cannot use 'static' as constant modifier",
+ $this->getAttributesAt($modifierPos)));
+ }
+ if ($node->flags & Class_::MODIFIER_ABSTRACT) {
+ $this->emitError(new Error(
+ "Cannot use 'abstract' as constant modifier",
+ $this->getAttributesAt($modifierPos)));
+ }
+ if ($node->flags & Class_::MODIFIER_FINAL) {
+ $this->emitError(new Error(
+ "Cannot use 'final' as constant modifier",
+ $this->getAttributesAt($modifierPos)));
+ }
+ }
+
+ protected function checkProperty(Property $node, $modifierPos) {
+ if ($node->flags & Class_::MODIFIER_ABSTRACT) {
+ $this->emitError(new Error('Properties cannot be declared abstract',
+ $this->getAttributesAt($modifierPos)));
+ }
+
+ if ($node->flags & Class_::MODIFIER_FINAL) {
+ $this->emitError(new Error('Properties cannot be declared final',
+ $this->getAttributesAt($modifierPos)));
+ }
+ }
+
+ protected function checkUseUse(UseUse $node, $namePos) {
+ if ('self' == strtolower($node->alias) || 'parent' == strtolower($node->alias)) {
+ $this->emitError(new Error(
+ sprintf(
+ 'Cannot use %s as %s because \'%2$s\' is a special class name',
+ $node->name, $node->alias
+ ),
+ $this->getAttributesAt($namePos)
+ ));
+ }
+ }
+}
projects / yaffs-website / blobdiff