Add Composer autoloading functions and PHPStan for testing

vendor/nikic/php-parser/lib/PhpParser/Error.php

@@ -0,0 +1,180 @@
+<?php declare(strict_types=1);
+
+namespace PhpParser;
+
+class Error extends \RuntimeException
+{
+    protected $rawMessage;
+    protected $attributes;
+
+    /**
+     * Creates an Exception signifying a parse error.
+     *
+     * @param string    $message    Error message
+     * @param array|int $attributes Attributes of node/token where error occurred
+     *                              (or start line of error -- deprecated)
+     */
+    public function __construct(string $message, $attributes = []) {
+        $this->rawMessage = $message;
+        if (is_array($attributes)) {
+            $this->attributes = $attributes;
+        } else {
+            $this->attributes = ['startLine' => $attributes];
+        }
+        $this->updateMessage();
+    }
+
+    /**
+     * Gets the error message
+     *
+     * @return string Error message
+     */
+    public function getRawMessage() : string {
+        return $this->rawMessage;
+    }
+
+    /**
+     * Gets the line the error starts in.
+     *
+     * @return int Error start line
+     */
+    public function getStartLine() : int {
+        return $this->attributes['startLine'] ?? -1;
+    }
+
+    /**
+     * Gets the line the error ends in.
+     *
+     * @return int Error end line
+     */
+    public function getEndLine() : int {
+        return $this->attributes['endLine'] ?? -1;
+    }
+
+    /**
+     * Gets the attributes of the node/token the error occurred at.
+     *
+     * @return array
+     */
+    public function getAttributes() : array {
+        return $this->attributes;
+    }
+
+    /**
+     * Sets the attributes of the node/token the error occurred at.
+     *
+     * @param array $attributes
+     */
+    public function setAttributes(array $attributes) {
+        $this->attributes = $attributes;
+        $this->updateMessage();
+    }
+
+    /**
+     * Sets the line of the PHP file the error occurred in.
+     *
+     * @param string $message Error message
+     */
+    public function setRawMessage(string $message) {
+        $this->rawMessage = $message;
+        $this->updateMessage();
+    }
+
+    /**
+     * Sets the line the error starts in.
+     *
+     * @param int $line Error start line
+     */
+    public function setStartLine(int $line) {
+        $this->attributes['startLine'] = $line;
+        $this->updateMessage();
+    }
+
+    /**
+     * Returns whether the error has start and end column information.
+     *
+     * For column information enable the startFilePos and endFilePos in the lexer options.
+     *
+     * @return bool
+     */
+    public function hasColumnInfo() : bool {
+        return isset($this->attributes['startFilePos'], $this->attributes['endFilePos']);
+    }
+
+    /**
+     * Gets the start column (1-based) into the line where the error started.
+     *
+     * @param string $code Source code of the file
+     * @return int
+     */
+    public function getStartColumn(string $code) : int {
+        if (!$this->hasColumnInfo()) {
+            throw new \RuntimeException('Error does not have column information');
+        }
+
+        return $this->toColumn($code, $this->attributes['startFilePos']);
+    }
+
+    /**
+     * Gets the end column (1-based) into the line where the error ended.
+     *
+     * @param string $code Source code of the file
+     * @return int
+     */
+    public function getEndColumn(string $code) : int {
+        if (!$this->hasColumnInfo()) {
+            throw new \RuntimeException('Error does not have column information');
+        }
+
+        return $this->toColumn($code, $this->attributes['endFilePos']);
+    }
+
+    /**
+     * Formats message including line and column information.
+     *
+     * @param string $code Source code associated with the error, for calculation of the columns
+     *
+     * @return string Formatted message
+     */
+    public function getMessageWithColumnInfo(string $code) : string {
+        return sprintf(
+            '%s from %d:%d to %d:%d', $this->getRawMessage(),
+            $this->getStartLine(), $this->getStartColumn($code),
+            $this->getEndLine(), $this->getEndColumn($code)
+        );
+    }
+
+    /**
+     * Converts a file offset into a column.
+     *
+     * @param string $code Source code that $pos indexes into
+     * @param int    $pos  0-based position in $code
+     *
+     * @return int 1-based column (relative to start of line)
+     */
+    private function toColumn(string $code, int $pos) : int {
+        if ($pos > strlen($code)) {
+            throw new \RuntimeException('Invalid position information');
+        }
+
+        $lineStartPos = strrpos($code, "\n", $pos - strlen($code));
+        if (false === $lineStartPos) {
+            $lineStartPos = -1;
+        }
+
+        return $pos - $lineStartPos;
+    }
+
+    /**
+     * Updates the exception message after a change to rawMessage or rawLine.
+     */
+    protected function updateMessage() {
+        $this->message = $this->rawMessage;
+
+        if (-1 === $this->getStartLine()) {
+            $this->message .= ' on unknown line';
+        } else {
+            $this->message .= ' on line ' . $this->getStartLine();
+        }
+    }
+}