From c15006c15505ae785eb5447c055b8f9379e7fcde Mon Sep 17 00:00:00 2001
From: John Hodge <tpg@mutabah.net>
Date: Fri, 3 Apr 2015 22:57:27 +0800
Subject: Added partial support for #[derive()]

- Supports Debug on struct, and assumes compiling in libcore (for now)
---
 src/include/main_bindings.hpp | 11 +++++++++++
 src/include/synext.hpp        | 33 +++++++++++++++++++++++++++++++++
 2 files changed, 44 insertions(+)
 create mode 100644 src/include/synext.hpp

(limited to 'src/include')

diff --git a/src/include/main_bindings.hpp b/src/include/main_bindings.hpp
index fef57184..91bac742 100644
--- a/src/include/main_bindings.hpp
+++ b/src/include/main_bindings.hpp
@@ -5,13 +5,24 @@
 
 #include "../ast/ast.hpp"
 
+/// Parse a crate from the given file
 extern AST::Crate Parse_Crate(::std::string mainfile);
+/// Process #[] decorators
+extern void Process_Decorators(AST::Crate& crate);
+/// Resolve all in-text paths to absolute variants
 extern void ResolvePaths(AST::Crate& crate);
+/// Check that generic bounds are valid
 extern void Typecheck_GenericBounds(AST::Crate& crate);
+/// Check that parameters for generics are valid
 extern void Typecheck_GenericParams(AST::Crate& crate);
+/// Type resolution (and hence checking) for expressions
 extern void Typecheck_Expr(AST::Crate& crate);
+
+/// Convert the AST to a flat tree
 extern AST::Flat Convert_Flatten(const AST::Crate& crate);
 
+
+/// Dump the crate as annotated rust
 extern void Dump_Rust(const char *Filename, const AST::Crate& crate);
 
 #endif
diff --git a/src/include/synext.hpp b/src/include/synext.hpp
new file mode 100644
index 00000000..6688c1c7
--- /dev/null
+++ b/src/include/synext.hpp
@@ -0,0 +1,33 @@
+/*
+ */
+#ifndef _SYNEXT_HPP_
+#define _SYNEXT_HPP_
+
+#include "../common.hpp"   // for mv$ and other things
+#include <string>
+#include <memory>
+
+namespace AST {
+    class MetaItem;
+    class Path;
+    class Module;
+    class Struct;
+}
+
+class CDecoratorHandler
+{
+public:
+    virtual void handle_item(AST::Module& mod, const AST::MetaItem& attr, const AST::Path& path, AST::Struct& str) const = 0;
+};
+
+#define STATIC_SYNEXT(_type, ident, _typename) \
+    struct register_##_typename##_c {\
+        register_##_typename##_c() {\
+            Register_Synext_##_type( ident, ::std::unique_ptr<C##_type##Handler>(new _typename()) ); \
+        } \
+    } s_register_##_typename;
+
+extern void Register_Synext_Decorator(::std::string name, ::std::unique_ptr<CDecoratorHandler> handler);
+
+#endif
+
-- 
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