lib/node_mutation/adapter/parser.rb in node_mutation-1.18.0 vs lib/node_mutation/adapter/parser.rb in node_mutation-1.18.1

@@ -78,18 +78,35 @@
       return NodeMutation::Struct::Range.new(child_node.loc.expression.begin_pos, child_node.loc.expression.end_pos)
     end
 
     case [node.type, child_name.to_sym]
     when %i[block pipes], %i[def parentheses], %i[defs parentheses]
-      NodeMutation::Struct::Range.new(
-        node.arguments.first.loc.expression.begin_pos - 1,
-        node.arguments.last.loc.expression.end_pos + 1
-      )
+      if node.arguments.empty?
+        nil
+      else
+        NodeMutation::Struct::Range.new(
+          node.arguments.first.loc.expression.begin_pos - 1,
+          node.arguments.last.loc.expression.end_pos + 1
+        )
+      end
     when %i[block arguments], %i[def arguments], %i[defs arguments]
-      NodeMutation::Struct::Range.new(
-        node.arguments.first.loc.expression.begin_pos,
-        node.arguments.last.loc.expression.end_pos
-      )
+      if node.arguments.empty?
+        nil
+      else
+        NodeMutation::Struct::Range.new(
+          node.arguments.first.loc.expression.begin_pos,
+          node.arguments.last.loc.expression.end_pos
+        )
+      end
+    when %i[block body], %i[class body], %i[def body], %i[defs body], %i[module body]
+      if node.body.empty?
+        nil
+      else
+        NodeMutation::Struct::Range.new(
+          node.body.first.loc.expression.begin_pos,
+          node.body.last.loc.expression.end_pos
+        )
+      end
     when %i[class name], %i[const name], %i[cvar name], %i[def name], %i[defs name], %i[gvar name], %i[ivar name], %i[lvar name]
       NodeMutation::Struct::Range.new(node.loc.name.begin_pos, node.loc.name.end_pos)
     when %i[const double_colon]
       NodeMutation::Struct::Range.new(node.loc.double_colon.begin_pos, node.loc.double_colon.end_pos)
     when %i[defs dot]