WIP: add a Val struct as an input/output when calling a function

src/generator.h

@@ -2059,12 +2059,15 @@ bool Generator::EvaluateFunctions(pt::Stream & out_stream, ValWrapper & valwrapp
 			{
 				valwrapper.has_evaluated_val = true;
 
+				if( valwrapper.evaluated_val.is_allowed_to_cache() )
+				{
 					if( out_stream.size() != current_size )
 					{
 						valwrapper.evaluated_str = out_stream.new_empty();
 						copy_stream(out_stream, current_size, out_stream.size(), *valwrapper.evaluated_str);
 					}
 				}
+			}
 			else
 			{
 				valwrapper.evaluated_val.clear();
@@ -2124,13 +2127,16 @@ bool Generator::FindLastModelWrapper(FindHelper & find_helper, bool is_for_alias
 				ValWrapper valwrapper;
 				valwrapper.val = model->get_ezc_val(nullptr, field.c_str()); // may it would be better to provide a pointer to get_ezc_val() method?
 
+				if( valwrapper.val.has_function() || valwrapper.val.has_method() )
+				{
 					if( (find_helper.field_index + 1 < find_helper.fields.size()) || !is_for_alias )
 					{
 						bool use_parameters = (find_helper.field_index + 1 == find_helper.fields.size());
 
-					if( EvaluateFunctions(find_helper, use_parameters, valwrapper) )
+						if( !EvaluateFunctions(find_helper, use_parameters, valwrapper) )
 						{
-						child_valwrapper = find_helper.valwrapper->add_child(field, valwrapper);
+							return false;
+						}
 					}
 				}
 

src/val.cpp

@@ -105,6 +105,7 @@ void Val::copy(const Val & val)
 	// space			= val.space;
 
 	output_stream	= val.output_stream;
+	allow_to_cache_value = val.allow_to_cache_value;
 
 	increment_model_container_wrapper_ref();
 	increment_space_wrapper_ref();
@@ -160,6 +161,7 @@ void Val::initialize_empty()
 	model_method4 = nullptr;
 	space_wrapper = nullptr;
 	space_table_index = 0;
+	allow_to_cache_value = false;
 }
 
 
@@ -496,6 +498,7 @@ void Val::set_pointer_to(morm::ModelContainerWrapper * model_container_wrapper)
 	clear();
 	type = TYPE_MODEL_CONTAINER_WRAPPER;
 	this->pointer = model_container_wrapper;
+	this->allow_to_cache_value = true;
 	model_container_wrapper->increment_reference_counter();
 }
 
@@ -507,6 +510,7 @@ void Val::set_pointer_to(morm::SpaceWrapper * space_wrapper)
 	this->pointer = space_wrapper->get_space();
 	this->space_wrapper = space_wrapper;
 	this->space_wrapper->increment_reference_counter();
+	this->allow_to_cache_value = true;
 }
 
 
@@ -518,7 +522,8 @@ void Val::set_pointer_to(pt::Space * space, bool create_wrapper)
 
 	if( create_wrapper )
 	{
-		space_wrapper = new morm::SpaceWrapper(space);
+		this->space_wrapper = new morm::SpaceWrapper(space);
+		this->allow_to_cache_value = true;
 	}
 }
 
@@ -1344,6 +1349,17 @@ void Val::put_pod_type_to_stream()
 }
 
 
+void Val::allow_to_cache(bool allow_to_cache)
+{
+	this->allow_to_cache_value = allow_to_cache;
+}
+
+
+bool Val::is_allowed_to_cache()
+{
+	return this->allow_to_cache_value;
+}
+
 
 } // namespace Ezc
 

src/val.h

@@ -237,8 +237,14 @@ public:
 
 	Val & operator=(bool res);
 
+
 	void put_pod_type_to_stream();
 
+
+	void allow_to_cache(bool allow_to_cache);
+	bool is_allowed_to_cache();
+
+
 	Type type;
 	pt::Space space_local;
 	void * pointer;
@@ -255,6 +261,8 @@ public:
 	morm::SpaceWrapper * space_wrapper;
 	size_t space_table_index;
 
+	bool allow_to_cache_value;
+
 	// UserFunction user_function;
 
 	// // Wrapper
@@ -340,6 +348,7 @@ void Val::set_pointer_to(std::vector<ModelType> * model_container)
 	clear();
 	type = TYPE_MODEL_CONTAINER_WRAPPER;
 	this->pointer = new morm::ModelWrapperVector<ModelType>(model_container);
+	this->allow_to_cache_value = true;
 }
 
 
@@ -349,6 +358,7 @@ void Val::set_pointer_to(std::list<ModelType> * model_container)
 	clear();
 	type = TYPE_MODEL_CONTAINER_WRAPPER;
 	this->pointer = new morm::ModelWrapperList<ModelType>(model_container);
+	this->allow_to_cache_value = true;
 }
 
 
@@ -358,6 +368,7 @@ void Val::set_pointer_to(std::vector<ModelType*> * model_container)
 	clear();
 	type = TYPE_MODEL_CONTAINER_WRAPPER;
 	this->pointer = new morm::ModelWrapperVectorPointer<ModelType>(model_container);
+	this->allow_to_cache_value = true;
 }
 
 
@@ -367,6 +378,7 @@ void Val::set_pointer_to(std::list<ModelType*> * model_container)
 	clear();
 	type = TYPE_MODEL_CONTAINER_WRAPPER;
 	this->pointer = new morm::ModelWrapperListPointer<ModelType>(model_container);
+	this->allow_to_cache_value = true;
 }