Expand - Macros expansion improved

1 files changed, 28 insertions, 0 deletions

diff --git a/src/expand/stringify.cpp b/src/expand/stringify.cpp
new file mode 100644
index 00000000..e4abb99b
--- /dev/null
+++ b/src/expand/stringify.cpp
@@ -0,0 +1,28 @@
+/*
+ */
+#include <synext.hpp>
+#include "../parse/common.hpp"
+
+class CExpander:
+    public ExpandProcMacro
+{
+    bool    expand_early() const override { return true; }
+    
+    ::std::unique_ptr<TokenStream> expand(Span sp, const AST::Crate& crate, const ::std::string& ident, const TokenTree& tt, AST::Module& mod) override
+    {
+        Token   tok;
+        ::std::string rv;
+        
+        auto lex = TTStream(tt);
+        while( GET_TOK(tok, lex) != TOK_EOF )
+        {
+            rv += tok.to_str();
+            rv += " ";
+        }
+        
+        return box$( TTStreamO(TokenTree(Token(TOK_STRING, mv$(rv)))) );
+    }
+};
+
+STATIC_MACRO("stringify", CExpander);
+