[Sol->Yul] Implementing dynamic array push for arrays of structs.

libsolidity/codegen/YulUtilFunctions.h

@@ -212,8 +212,10 @@ public:
 	std::string storageArrayPopFunction(ArrayType const& _type);
 
 	/// @returns the name of a function that pushes an element to a storage array
+/// @param _fromType represents the type of the element being pushed.
+/// If _fromType is ReferenceType the function will perform deep copy.
 	/// signature: (array, value)
-	std::string storageArrayPushFunction(ArrayType const& _type);
+	std::string storageArrayPushFunction(ArrayType const& _type, TypePointer _fromType = nullptr);
 
 	/// @returns the name of a function that pushes the base type's zero element to a storage array and returns storage slot and offset of the added element.
 	/// signature: (array) -> slot, offset
@@ -483,7 +485,7 @@ public:
 	std::string externalCodeFunction();
 
 private:
-	/// @returns function that copies struct to storage
+/// @returns the name of a function that copies a struct from calldata or memory to storage
 	/// signature: (slot, value) ->
 	std::string copyStructToStorageFunction(StructType const& _from, StructType const& _to);