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   1  <?php
   2  
   3  namespace LesserPHP;
   4  
   5  /**
   6   * An exception signalling a problem in the LESS source
   7   */
   8  class ParserException extends \Exception
   9  {
  10      protected string $error = '';
  11      protected string $culprit = '';
  12      protected string $sourceFile = '';
  13      protected int $sourceLine = -1;
  14  
  15      public function __construct(
  16          string     $message = '',
  17          ?string    $culprit = '',
  18          ?string    $sourceFile = '',
  19          ?int       $sourceLine = -1,
  20          \Throwable $previous = null
  21      ) {
  22          $this->error = $message;
  23  
  24          if ($culprit) {
  25              $this->culprit = $culprit;
  26              $message .= " `$culprit`";
  27          }
  28          if ($sourceFile) {
  29              $this->sourceFile = $sourceFile;
  30              $message .= " in $sourceFile";
  31          }
  32  
  33          if ($sourceLine !== null && $sourceLine > -1) {
  34              $this->sourceLine = $sourceLine;
  35              $message .= " line: $sourceLine";
  36          }
  37  
  38          parent::__construct($message, 0, $previous);
  39      }
  40  
  41      /**
  42       * This is the error message without any additional context
  43       */
  44      public function getError(): string
  45      {
  46          return $this->error;
  47      }
  48  
  49      /**
  50       * The LESS code that triggered the error
  51       *
  52       * This is the line the parser choked on. Not always available.
  53       */
  54      public function getCulprit(): string
  55      {
  56          return $this->culprit;
  57      }
  58  
  59      /**
  60       * The LESS source file where the error was triggered
  61       *
  62       * This is the file the parser was parsing, will usually only be available when
  63       * parsing an import or when compileFile() was used.
  64       */
  65      public function getSourceFile(): string
  66      {
  67          return $this->sourceFile;
  68      }
  69  
  70      /**
  71       * The line number where the error was triggered
  72       */
  73      public function getSourceLine(): int
  74      {
  75          return $this->sourceLine;
  76      }
  77  }