Shader/MultiStatement: Remove sectionName

include/Nazara/Shader/Ast/AstCompare.inl

@@ -609,9 +609,6 @@ namespace Nz::ShaderAst
 
 	inline bool Compare(const MultiStatement& lhs, const MultiStatement& rhs)
 	{
-		if (!Compare(lhs.sectionName, rhs.sectionName))
-			return false;
-
 		if (!Compare(lhs.statements, rhs.statements))
 			return false;
 

include/Nazara/Shader/Ast/Nodes.hpp

@@ -422,7 +422,6 @@ namespace Nz::ShaderAst
 		NodeType GetType() const override;
 		void Visit(AstStatementVisitor& visitor) override;
 
-		std::string sectionName;
 		std::vector<StatementPtr> statements;
 	};
 

src/Nazara/Shader/Ast/AstCloner.cpp

@@ -236,7 +236,6 @@ namespace Nz::ShaderAst
 	StatementPtr AstCloner::Clone(MultiStatement& node)
 	{
 		auto clone = std::make_unique<MultiStatement>();
-		clone->sectionName = node.sectionName;
 		clone->statements.reserve(node.statements.size());
 		for (auto& statement : node.statements)
 			clone->statements.push_back(CloneStatement(statement));

src/Nazara/Shader/Ast/AstSerializer.cpp

@@ -347,8 +347,6 @@ namespace Nz::ShaderAst
 
 	void AstSerializerBase::Serialize(MultiStatement& node)
 	{
-		Value(node.sectionName);
-
 		Container(node.statements);
 		for (auto& statement : node.statements)
 			Node(statement);

src/Nazara/Shader/Ast/SanitizeVisitor.cpp

@@ -1536,7 +1536,6 @@ namespace Nz::ShaderAst
 	StatementPtr SanitizeVisitor::Clone(MultiStatement& node)
 	{
 		auto clone = std::make_unique<MultiStatement>();
-		clone->sectionName = node.sectionName;
 		clone->statements.reserve(node.statements.size());
 
 		std::vector<StatementPtr>* previousList = m_context->currentStatementList;

src/Nazara/Shader/GlslWriter.cpp

@@ -205,13 +205,30 @@ namespace Nz
 
 		targetModule->rootNode->Visit(state.previsitor);
 
+		if (!state.previsitor.entryPoint)
+			throw std::runtime_error("not entry point found");
+
+		assert(state.previsitor.entryPoint->entryStage.HasValue());
+		m_currentState->stage = state.previsitor.entryPoint->entryStage.GetResultingValue();
+
 		// Code generation
 		AppendHeader();
 
 		for (const auto& importedModule : targetModule->importedModules)
 		{
+			AppendComment("Module " + importedModule.module->metadata->moduleId.ToString());
+			AppendLine();
+
 			m_currentState->moduleSuffix = importedModule.identifier;
 			importedModule.module->rootNode->Visit(*this);
+
+			AppendLine();
+		}
+
+		if (!targetModule->importedModules.empty())
+		{
+			AppendComment("Main file");
+			AppendLine();
 		}
 
 		m_currentState->moduleSuffix = {};
@@ -514,6 +531,21 @@ namespace Nz
 		AppendLine();
 		AppendLine();
 
+		// Comments
+		std::string fileTitle;
+
+		assert(m_currentState->stage);
+		switch (*m_currentState->stage)
+		{
+			case ShaderStageType::Fragment: fileTitle += "fragment shader - "; break;
+			case ShaderStageType::Vertex: fileTitle += "vertex shader - "; break;
+		}
+
+		fileTitle += "this file was generated by Nazara Engine";
+
+		AppendComment(fileTitle);
+		AppendLine();
+
 		// Extensions
 
 		std::vector<std::string> requiredExtensions;
@@ -1278,13 +1310,7 @@ namespace Nz
 
 	void GlslWriter::Visit(ShaderAst::MultiStatement& node)
 	{
-		if (!node.sectionName.empty())
-			AppendComment(node.sectionName);
-
 		AppendStatementList(node.statements);
-
-		if (!node.sectionName.empty())
-			AppendComment("End: " + node.sectionName);
 	}
 
 	void GlslWriter::Visit(ShaderAst::NoOpStatement& /*node*/)

src/Nazara/Shader/LangWriter.cpp

@@ -1184,13 +1184,7 @@ namespace Nz
 
 	void LangWriter::Visit(ShaderAst::MultiStatement& node)
 	{
-		if (!node.sectionName.empty())
-			AppendComment(node.sectionName);
-
 		AppendStatementList(node.statements);
-
-		if (!node.sectionName.empty())
-			AppendComment("End: " + node.sectionName);
 	}
 
 	void LangWriter::Visit(ShaderAst::NoOpStatement& /*node*/)

tests/Engine/Shader/ModuleTests.cpp

@@ -77,6 +77,8 @@ fn main(input: InputData) -> OutputData
 		REQUIRE_NOTHROW(shaderModule = Nz::ShaderAst::Sanitize(*shaderModule, sanitizeOpt));
 
 		ExpectGLSL(*shaderModule, R"(
+// Module ad3aed6e-0619-4a26-b5ce-abc2ec0836c4
+
 struct Data__181c45e9
 {
 	float value;
@@ -97,6 +99,9 @@ struct OutputData__181c45e9
 	float value;
 };
 
+// Main file
+
+
 layout(std140) uniform _NzBinding_block
 {
 	Data__181c45e9 data;
@@ -277,15 +282,23 @@ fn main(input: InputData) -> OutputData
 		REQUIRE_NOTHROW(shaderModule = Nz::ShaderAst::Sanitize(*shaderModule, sanitizeOpt));
 
 		ExpectGLSL(*shaderModule, R"(
+// Module ad3aed6e-0619-4a26-b5ce-abc2ec0836c4
+
 struct Data__181c45e9
 {
 	float value;
 };
 
+// Module 7a548506-89e6-4944-897f-4f695a8bca01
+
+
 struct Block__e528265d
 {
 	Data__181c45e9 data;
 };
+
+// Module e66c6e98-fc37-4390-a7e1-c81508ff8e49
+
 struct InputData__26cce136
 {
 	float value;
@@ -296,6 +309,9 @@ struct OutputData__26cce136
 	float value;
 };
 
+// Main file
+
+
 
 layout(std140) uniform _NzBinding_block
 {