167 lines
4.4 KiB
PHP
167 lines
4.4 KiB
PHP
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<?php
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namespace PhpParser;
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class Error extends \RuntimeException
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{
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protected $rawMessage;
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protected $attributes;
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/**
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* Creates an Exception signifying a parse error.
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*
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* @param string $message Error message
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* @param array|int $attributes Attributes of node/token where error occurred
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* (or start line of error -- deprecated)
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*/
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public function __construct($message, $attributes = array()) {
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$this->rawMessage = (string) $message;
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if (is_array($attributes)) {
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$this->attributes = $attributes;
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} else {
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$this->attributes = array('startLine' => $attributes);
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}
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$this->updateMessage();
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}
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/**
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* Gets the error message
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*
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* @return string Error message
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*/
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public function getRawMessage() {
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return $this->rawMessage;
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}
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/**
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* Gets the line the error starts in.
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*
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* @return int Error start line
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*/
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public function getStartLine() {
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return isset($this->attributes['startLine']) ? $this->attributes['startLine'] : -1;
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}
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/**
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* Gets the line the error ends in.
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*
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* @return int Error end line
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*/
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public function getEndLine() {
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return isset($this->attributes['endLine']) ? $this->attributes['endLine'] : -1;
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}
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/**
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* Gets the attributes of the node/token the error occurred at.
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*
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* @return array
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*/
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public function getAttributes() {
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return $this->attributes;
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}
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/**
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* Sets the attributes of the node/token the error occured at.
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*
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* @param array $attributes
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*/
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public function setAttributes(array $attributes) {
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$this->attributes = $attributes;
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$this->updateMessage();
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}
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/**
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* Sets the line of the PHP file the error occurred in.
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*
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* @param string $message Error message
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*/
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public function setRawMessage($message) {
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$this->rawMessage = (string) $message;
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$this->updateMessage();
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}
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/**
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* Sets the line the error starts in.
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*
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* @param int $line Error start line
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*/
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public function setStartLine($line) {
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$this->attributes['startLine'] = (int) $line;
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$this->updateMessage();
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}
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/**
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* Returns whether the error has start and end column information.
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*
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* For column information enable the startFilePos and endFilePos in the lexer options.
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*
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* @return bool
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*/
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public function hasColumnInfo() {
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return isset($this->attributes['startFilePos']) && isset($this->attributes['endFilePos']);
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}
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/**
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* Gets the start column (1-based) into the line where the error started.
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*
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* @param string $code Source code of the file
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* @return int
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*/
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public function getStartColumn($code) {
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if (!$this->hasColumnInfo()) {
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throw new \RuntimeException('Error does not have column information');
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}
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return $this->toColumn($code, $this->attributes['startFilePos']);
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}
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/**
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* Gets the end column (1-based) into the line where the error ended.
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*
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* @param string $code Source code of the file
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* @return int
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*/
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public function getEndColumn($code) {
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if (!$this->hasColumnInfo()) {
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throw new \RuntimeException('Error does not have column information');
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}
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return $this->toColumn($code, $this->attributes['endFilePos']);
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}
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public function getMessageWithColumnInfo($code) {
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return sprintf(
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'%s from %d:%d to %d:%d', $this->getRawMessage(),
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$this->getStartLine(), $this->getStartColumn($code),
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$this->getEndLine(), $this->getEndColumn($code)
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);
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}
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private function toColumn($code, $pos) {
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if ($pos > strlen($code)) {
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throw new \RuntimeException('Invalid position information');
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}
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$lineStartPos = strrpos($code, "\n", $pos - strlen($code));
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if (false === $lineStartPos) {
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$lineStartPos = -1;
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}
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return $pos - $lineStartPos;
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}
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/**
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* Updates the exception message after a change to rawMessage or rawLine.
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*/
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protected function updateMessage() {
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$this->message = $this->rawMessage;
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if (-1 === $this->getStartLine()) {
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$this->message .= ' on unknown line';
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} else {
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$this->message .= ' on line ' . $this->getStartLine();
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}
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}
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}
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