Tidying up for lambdas [TG-2478]

src/java_bytecode/java_bytecode_convert_method.cpp

@@ -311,11 +311,10 @@ code_typet member_type_lazy(
 /// \param lambda_method_handles Vector of lambda method handles (bootstrap
 ///   methods) of the class where the lambda is called
 /// \param index Index of the lambda method handle in the vector
-/// \return Symbol of the lambda method if the method handle does not have an
-///   unknown type
+/// \return Symbol of the lambda method if the method handle has a known type
 optionalt<symbolt> java_bytecode_convert_methodt::get_lambda_method_symbol(
   const java_class_typet::java_lambda_method_handlest &lambda_method_handles,
-  const size_t &index)
+  const size_t index)
 {
   const symbol_exprt &lambda_method_handle = lambda_method_handles.at(index);
   // If the lambda method handle has an unknown type, it does not refer to

src/java_bytecode/java_bytecode_convert_method_class.h

@@ -237,7 +237,7 @@ class java_bytecode_convert_methodt:public messaget
 
   optionalt<symbolt> get_lambda_method_symbol(
     const java_class_typet::java_lambda_method_handlest &lambda_method_handles,
-    const size_t &index);
+    const size_t index);
 
   // conversion
   void convert(const symbolt &class_symbol, const methodt &);

src/java_bytecode/java_types.h

@@ -49,10 +49,12 @@ class java_class_typet:public class_typet
 
   void add_lambda_method_handle(const irep_idt &identifier)
   {
+    // creates a symbol_exprt for the identifier and pushes it in the vector
     lambda_method_handles().emplace_back(identifier);
   }
   void add_unknown_lambda_method_handle()
   {
+    // creates empty symbol_exprt and pushes it in the vector
     lambda_method_handles().emplace_back();
   }
 };

unit/testing-utils/require_parse_tree.cpp

@@ -40,7 +40,6 @@ require_parse_tree::require_lambda_entry_for_descriptor(
         entry.second.method_type == method_type &&
         entry.second.lambda_method_ref == lambda_method_ref);
     });
-  INFO("Number of matching lambda method entries: " << matches.size());
   REQUIRE(matches.size() == 1);
   return matches.at(0).second;
 }