Rework shader AST (WIP)

include/Nazara/Shader/ShaderAstNodes.hpp

@@ -0,0 +1,53 @@
+// Copyright (C) 2020 Jérôme Leclercq
+// This file is part of the "Nazara Engine - Renderer module"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#if !defined(NAZARA_SHADERAST_NODE) && !defined(NAZARA_SHADERAST_EXPRESSION) && !defined(NAZARA_SHADERAST_STATEMENT)
+#error You must define NAZARA_SHADERAST_NODE or NAZARA_SHADERAST_EXPRESSION or NAZARA_SHADERAST_STATEMENT before including this file
+#endif
+
+#ifndef NAZARA_SHADERAST_NODE
+#define NAZARA_SHADERAST_NODE(X)
+#endif
+
+#ifndef NAZARA_SHADERAST_NODE_LAST
+#define NAZARA_SHADERAST_NODE_LAST(X)
+#endif
+
+#ifndef NAZARA_SHADERAST_EXPRESSION
+#define NAZARA_SHADERAST_EXPRESSION(X) NAZARA_SHADERAST_NODE(X)
+#endif
+
+#ifndef NAZARA_SHADERAST_STATEMENT
+#define NAZARA_SHADERAST_STATEMENT(X) NAZARA_SHADERAST_NODE(X)
+#endif
+
+#ifndef NAZARA_SHADERAST_STATEMENT_LAST
+#define NAZARA_SHADERAST_STATEMENT_LAST(X) NAZARA_SHADERAST_STATEMENT(X)
+#endif
+
+NAZARA_SHADERAST_EXPRESSION(AccessMemberExpression)
+NAZARA_SHADERAST_EXPRESSION(AssignExpression)
+NAZARA_SHADERAST_EXPRESSION(BinaryExpression)
+NAZARA_SHADERAST_EXPRESSION(CastExpression)
+NAZARA_SHADERAST_EXPRESSION(ConditionalExpression)
+NAZARA_SHADERAST_EXPRESSION(ConstantExpression)
+NAZARA_SHADERAST_EXPRESSION(IdentifierExpression)
+NAZARA_SHADERAST_EXPRESSION(IntrinsicExpression)
+NAZARA_SHADERAST_EXPRESSION(SwizzleExpression)
+NAZARA_SHADERAST_STATEMENT(BranchStatement)
+NAZARA_SHADERAST_STATEMENT(ConditionalStatement)
+NAZARA_SHADERAST_STATEMENT(DeclareFunctionStatement)
+NAZARA_SHADERAST_STATEMENT(DeclareStructStatement)
+NAZARA_SHADERAST_STATEMENT(DeclareVariableStatement)
+NAZARA_SHADERAST_STATEMENT(DiscardStatement)
+NAZARA_SHADERAST_STATEMENT(ExpressionStatement)
+NAZARA_SHADERAST_STATEMENT(MultiStatement)
+NAZARA_SHADERAST_STATEMENT(NoOpStatement)
+NAZARA_SHADERAST_STATEMENT_LAST(ReturnStatement)
+
+#undef NAZARA_SHADERAST_EXPRESSION
+#undef NAZARA_SHADERAST_NODE
+#undef NAZARA_SHADERAST_NODE_LAST
+#undef NAZARA_SHADERAST_STATEMENT
+#undef NAZARA_SHADERAST_STATEMENT_LAST