1 files changed, 10 insertions, 0 deletions
diff --git a/src/expand/file_line.cpp b/src/expand/file_line.cpp
index a485fe61..8dfb7e6d 100644
--- a/src/expand/file_line.cpp
+++ b/src/expand/file_line.cpp
@@ -27,6 +27,15 @@ class CExpanderLine:
     }
 };
 
+class CExpanderColumn:
+    public ExpandProcMacro
+{
+    ::std::unique_ptr<TokenStream> expand(const Span& sp, const AST::Crate& crate, const ::std::string& ident, const TokenTree& tt, AST::Module& mod) override
+    {
+        return box$( TTStreamO(TokenTree(Token((uint64_t)sp.start_ofs, CORETYPE_U32))) );
+    }
+};
+
 class CExpanderModulePath:
     public ExpandProcMacro
 {
@@ -44,5 +53,6 @@ class CExpanderModulePath:
 
 STATIC_MACRO("file", CExpanderFile);
 STATIC_MACRO("line", CExpanderLine);
+STATIC_MACRO("column", CExpanderColumn);
 STATIC_MACRO("module_path", CExpanderModulePath);