Expand format_args! - Parse and (partially) emit

1 files changed, 40 insertions, 0 deletions

diff --git a/src/include/synext_macro.hpp b/src/include/synext_macro.hpp
new file mode 100644
index 00000000..1aa7fef5
--- /dev/null
+++ b/src/include/synext_macro.hpp
@@ -0,0 +1,40 @@
+/*
+ */
+#pragma once
+#ifndef _SYNEXT_MACRO_HPP_
+#define _SYNEXT_MACRO_HPP_
+
+//#include "../common.hpp"   // for mv$ and other things
+#include <string>
+#include <memory>
+#include <span.hpp>
+
+class TypeRef;
+namespace AST {
+    class Crate;
+    class Module;
+}
+class TokenTree;
+class TokenStream;
+
+
+
+class ExpandProcMacro
+{
+public:
+    virtual bool    expand_early() const = 0;
+    
+    virtual ::std::unique_ptr<TokenStream>  expand(const Span& sp, const AST::Crate& crate, const ::std::string& ident, const TokenTree& tt, AST::Module& mod) = 0;
+};
+
+#define STATIC_MACRO(ident, _handler_class) \
+    struct register_##_handler_class##_c {\
+        register_##_handler_class##_c() {\
+            Register_Synext_Macro( ident, ::std::unique_ptr<ExpandProcMacro>(new _handler_class()) ); \
+        } \
+    } s_register_##_handler_class;
+
+extern void Register_Synext_Macro(::std::string name, ::std::unique_ptr<ExpandProcMacro> handler);
+
+#endif
+