linter.rb in scss_lint-0.42.0

- old
+ new

@@ -66,11 +66,11 @@
     # @return [String] the character at the given [Sass::Source::Position]
     def character_at(source_position, offset = 0)
       actual_line   = source_position.line - 1
       actual_offset = source_position.offset + offset - 1
 
-      engine.lines[actual_line][actual_offset]
+      engine.lines.size > actual_line && engine.lines[actual_line][actual_offset]
     end
 
     # Extracts the original source code given a range.
     #
     # @param source_range [Sass::Source::Range]
@@ -125,12 +125,12 @@
       # Visit the selector of a rule if parsed rules are available
       if node.is_a?(Sass::Tree::RuleNode) && node.parsed_rules
         visit_selector(node.parsed_rules)
       end
 
-      @comment_processor.before_node_visit(node)
+      @comment_processor.before_node_visit(node) if @engine.any_control_commands
       super
-      @comment_processor.after_node_visit(node)
+      @comment_processor.after_node_visit(node) if @engine.any_control_commands
     end
 
     # Redefine so we can set the `node_parent` of each node
     #
     # @param parent [Sass::Tree::Node, Sass::Script::Tree::Node,