From 3ccab503850f87e8f6c68bc4fe4487312a871738 Mon Sep 17 00:00:00 2001
From: "Claudius \"keldu\" Holeksa" <mail@keldu.de>
Date: Wed, 27 Mar 2024 17:22:29 +0100
Subject: tools: Added primitive translation to cpp for inputs

---
 modules/tools/c++/c_gen_iface.hpp | 111 ++++++++++++++++++++++++++++++++++----
 1 file changed, 102 insertions(+), 9 deletions(-)

(limited to 'modules')

diff --git a/modules/tools/c++/c_gen_iface.hpp b/modules/tools/c++/c_gen_iface.hpp
index e70479d..ebbf5f7 100644
--- a/modules/tools/c++/c_gen_iface.hpp
+++ b/modules/tools/c++/c_gen_iface.hpp
@@ -269,7 +269,7 @@ struct lang_bind<schema::Primitive<T,L>, binding::SyncC> {
 		{
 			std::string hash_type_str = cfg.prefix + "_" + std::to_string(hash) + "_t";
 			auto emp = state.hashes.emplace(std::make_pair(hash, hash_type_str));
-			if(emp.second){
+			if(emp.second) {
 				/**
 				 * We want this id to access the vector
 				 */
@@ -312,6 +312,77 @@ struct lang_bind<schema::Primitive<T,L>, binding::SyncC> {
 						return eov;
 					}
 				}
+				/**
+				 * Translation in source
+				 */
+				{
+					auto eov = lang_bind_helper::append_string(tpe.at(id).source, "namespace {\nsaw::error_or<void> ");
+					if(eov.is_error()){
+						return eov;
+					}
+				}
+				{
+					auto eov = lang_bind_helper::append_hashed_type(tpe.at(id).source, cfg.prefix, hash);
+					if(eov.is_error()){
+						return eov;
+					}
+				}
+				{
+					auto eov = lang_bind_helper::append_string(tpe.at(id).source, "_translate_c_to_cpp ( ");
+					if(eov.is_error()){
+						return eov;
+					}
+				}
+				{
+					auto eov = lang_bind_helper::append_string(tpe.at(id).source, " const ");
+					if(eov.is_error()){
+						return eov;
+					}
+				}
+				{
+					auto eov = lang_bind_helper::append_string(tpe.at(id).source, hash_type_str);
+					if(eov.is_error()){
+						return eov;
+					}
+				}
+				{
+					auto eov = lang_bind_helper::append_string(tpe.at(id).source, "* c_input, saw::data<");
+					if(eov.is_error()){
+						return eov;
+					}
+				}
+				{
+					std::stringstream ss;
+					try{
+						{
+							schema_stringify<Schema>::apply(ss);
+							auto eov = lang_bind_helper::append_string(tpe.at(id).source, ss.str());
+							if(eov.is_error()){
+								return eov;
+							}
+						}
+					}catch(const std::exception&){
+						return make_error<err::out_of_memory>();
+					}
+				}
+				{
+					auto eov = lang_bind_helper::append_string(tpe.at(id).source, ">& cpp_output) {\n\t");
+					if(eov.is_error()){
+						return eov;
+					}
+				}
+				{
+					auto eov = lang_bind_helper::append_string(tpe.at(id).source, "cpp_output.set(*c_input);\n");
+					if(eov.is_error()){
+						return eov;
+					}
+				}
+				{
+					auto eov = lang_bind_helper::append_string(tpe.at(id).source, "\n\treturn void_t{};\n}\n}\n");
+					if(eov.is_error()){
+						return eov;
+					}
+				}
 			}
 		}
 
@@ -733,6 +804,24 @@ struct lang_bind<schema::Function<Input, Output>, binding::SyncC> {
 				return eov;
 			}
 		}
+		{
+			auto eov = lang_bind_helper::append_string(tpe.at(f_id).source, "\t{\n\t\tauto eov = ");
+			if(eov.is_error()){
+				return eov;
+			}
+		}
+		{
+			auto eov = lang_bind_helper::append_hashed_type(tpe.at(f_id).source, cfg.prefix, schema_hash<Input>::apply());
+			if(eov.is_error()){
+				return eov;
+			}
+		}
+		{
+			auto eov = lang_bind_helper::append_string(tpe.at(f_id).source, "_translate_c_to_cpp(c_input, cpp_input_root);\n\t\tif(eov.is_error()) return eov.get_error().get_code();\n\t}\n");
+			if(eov.is_error()){
+				return eov;
+			}
+		}
 		/**
 		 * Call the c++ implementation
 		 */
@@ -885,15 +974,13 @@ struct lang_bind<schema::Interface<M...>, binding::SyncC> {
 	static error_or<void> guarantee_element(const language_binding_config& cfg, language_binding_state& state){
 		using Member = typename parameter_pack_type<i, M...>::type;
 		using MValue = typename Member::ValueType;
+		/**
+		 * Guarantee
+		 */
 		{
-			/**
-			 * Guarantee
-			 */
-			{
-				auto eov = lang_bind<MValue, binding::SyncC>::guarantee(cfg, state);
-				if(eov.is_error()){
-					return eov;
-				}
+			auto eov = lang_bind<MValue, binding::SyncC>::guarantee(cfg, state);
+			if(eov.is_error()){
+				return eov;
 			}
 		}
 
@@ -928,6 +1015,12 @@ struct lang_bind<schema::Interface<M...>, binding::SyncC> {
 			}
 			f_id = eoid.get_value();
 		}
+		{
+			auto eov = lang_bind<MValue, binding::SyncC>::generate(cfg, state, MKey.view(), f_id);
+			if(eov.is_error()){
+				return eov;
+			}
+		}
 
 		if constexpr ((i+1) < sizeof...(M) ){
 			return generate_element<i+1>(cfg, state);
-- 
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