From 7d8bca09b3c4bf1418e758bd3bd0d6f85672153e Mon Sep 17 00:00:00 2001
From: rtk0c <mail.tianyig@gmail.com>
Date: Mon, 30 May 2022 15:52:19 -0700
Subject: Changeset: 52 Add support for namespaced enums

---
 buildtools/codegen/CodegenInput.inl | 35 ++++++++++++++++++++++++++++++++---
 1 file changed, 32 insertions(+), 3 deletions(-)

(limited to 'buildtools/codegen/CodegenInput.inl')

diff --git a/buildtools/codegen/CodegenInput.inl b/buildtools/codegen/CodegenInput.inl
index 80a39d0..0809e7f 100644
--- a/buildtools/codegen/CodegenInput.inl
+++ b/buildtools/codegen/CodegenInput.inl
@@ -3,20 +3,26 @@
 #include "CodegenConfig.hpp"
 #include "CodegenDecl.hpp"
 
+#include "CodegenUtils.inl"
+
 #include <Utils.hpp>
 
 #include <robin_hood.h>
 #include <cinttypes>
 #include <string>
+#include <string_view>
 #include <vector>
 
+using namespace std::literals;
+
 class CodegenInput {
 private:
 	std::vector<DeclEnum> mEnums;
-	robin_hood::unordered_map<std::string, size_t, StringHash, StringEqual> mDeclByName;
+	robin_hood::unordered_flat_map<std::string, size_t, StringHash, StringEqual> mDeclByName;
+	robin_hood::unordered_node_map<std::string, DeclNamespace, StringHash, StringEqual> mNamespaces;
 
 public:
-	void AddEnum(DeclEnum decl) {
+	void AddEnum(std::string fullname, DeclEnum decl) {
 #if CODEGEN_DEBUG_PRINT
 		printf("Committed enum '%s'\n", decl.name.c_str());
 		for (auto& elm : decl.elements) {
@@ -24,10 +30,20 @@ public:
 		}
 #endif
 
-		mDeclByName.try_emplace(std::string(decl.name), mEnums.size());
+		mDeclByName.try_emplace(std::move(fullname), mEnums.size());
 		mEnums.push_back(std::move(decl));
 	}
 
+	DeclNamespace* AddNamespace(DeclNamespace ns) {
+		auto path = Utils::MakeFullName(""sv, &ns);
+		auto [iter, success] = mNamespaces.try_emplace(std::move(path), std::move(ns));
+		auto& nsRef = iter->second;
+		if (success) {
+			nsRef.fullname = iter->first;
+		}
+		return &nsRef;
+	}
+
 	const DeclEnum* FindEnumByName(std::string_view name) const {
 		// TODO handle multiple kinds of decl
 		auto iter = mDeclByName.find(name);
@@ -37,4 +53,17 @@ public:
 			return nullptr;
 		}
 	}
+
+	const DeclNamespace* FindNamespace(std::string_view fullname) const {
+		auto iter = mNamespaces.find(fullname);
+		if (iter != mNamespaces.end()) {
+			return &iter->second;
+		} else {
+			return nullptr;
+		}
+	}
+
+	DeclNamespace* FindNamespace(std::string_view name) {
+		return const_cast<DeclNamespace*>(const_cast<const CodegenInput*>(this)->FindNamespace(name));
+	}
 };
-- 
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