}
}
+template<typename T>
+void ConstantFolder::convert_to_result(const Variant &value)
+{
+ if(value.check_type<bool>())
+ set_result(static_cast<T>(value.value<bool>()));
+ else if(value.check_type<int>())
+ set_result(static_cast<T>(value.value<int>()));
+ else if(value.check_type<float>())
+ set_result(static_cast<T>(value.value<float>()));
+}
+
void ConstantFolder::set_result(const Variant &value, bool literal)
{
r_constant_value = value;
void ConstantFolder::visit(FunctionCall &call)
{
+ if(call.constructor && call.type && call.arguments.size()==1)
+ {
+ const BasicTypeDeclaration *basic = dynamic_cast<const BasicTypeDeclaration *>(call.type);
+ if(basic)
+ {
+ call.arguments[0]->visit(*this);
+ bool can_fold = r_constant;
+ r_constant = false;
+ if(!can_fold)
+ return;
+
+ if(basic->kind==BasicTypeDeclaration::BOOL)
+ convert_to_result<bool>(r_constant_value);
+ else if(basic->kind==BasicTypeDeclaration::INT && basic->size==32)
+ convert_to_result<int>(r_constant_value);
+ else if(basic->kind==BasicTypeDeclaration::FLOAT && basic->size==32)
+ convert_to_result<float>(r_constant_value);
+
+ return;
+ }
+ }
+
TraversingVisitor::visit(call);
r_constant = false;
}