Errors.jrag 1.67 KB
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import java.util.Set;
import java.util.TreeSet;
import java.util.LinkedList;

aspect Errors {
  coll Set<ErrorMessage> Ros2Rag.errors()
    [new TreeSet<ErrorMessage>()]
    root Ros2Rag;

//  TypeUse contributes error("Type '" + getID() + "' not found")
//    when decl() == null && !isToken()
//    to Program.errors();

    UpdateDefinition contributes error("")
      when true
      to Ros2Rag.errors();
}


aspect ErrorMessage {
  public class ErrorMessage implements Comparable<ErrorMessage> {
    private final ASTNode node;
    private final String filename;
    private final int line;
    private final int col;
    private final String message;

    public ErrorMessage(ASTNode node, String message) {
      this.node = node;
      this.filename = node.containedFile().getFileName();
      this.line = node.getStartLine();
      this.col = node.getStartColumn();
      this.message = message;
    }

    public ASTNode getNode() {
      return node;
    }
    public int getLine() {
      return line;
    }
    public int getCol() {
      return col;
    }
    public String getMessage() {
      return message;
    }

    public String toString() {
      return filename + " Line " + line + ", column " + col + ": " + message;
    }

    @Override
    public int compareTo(ErrorMessage err) {
      int n = filename.compareTo(err.filename);
      if (n != 0) {
        return n;
      }

      n = line - err.line;
      if (n != 0) {
        return n;
      }

      n = col-err.col;
      if (n != 0) {
        return n;
      }

      return message.compareTo(err.message);
    }
  }

  protected ErrorMessage ASTNode.error(String message) {
    return new ErrorMessage(this, message);
  }
}