1 files changed, 19 insertions, 0 deletions
diff --git a/src/mir/helpers.hpp b/src/mir/helpers.hpp
index 3a37ed8e..8b4e8424 100644
--- a/src/mir/helpers.hpp
+++ b/src/mir/helpers.hpp
@@ -23,6 +23,10 @@ class Function;
 class LValue;
 class Constant;
 class BasicBlock;
+class Terminator;
+class Statement;
+class RValue;
+class Param;
 
 typedef unsigned int    BasicBlockId;
 
@@ -164,6 +168,21 @@ struct ValueLifetimes
     }
 };
 
+namespace visit {
+    enum class ValUsage {
+        Move,
+        Read,
+        Write,
+        Borrow,
+    };
+
+    extern bool visit_mir_lvalue(const ::MIR::LValue& lv, ValUsage u, ::std::function<bool(const ::MIR::LValue& , ValUsage)> cb);
+    extern bool visit_mir_lvalue(const ::MIR::Param& p, ValUsage u, ::std::function<bool(const ::MIR::LValue& , ValUsage)> cb);
+    extern bool visit_mir_lvalues(const ::MIR::RValue& rval, ::std::function<bool(const ::MIR::LValue& , ValUsage)> cb);
+    extern bool visit_mir_lvalues(const ::MIR::Statement& stmt, ::std::function<bool(const ::MIR::LValue& , ValUsage)> cb);
+    extern bool visit_mir_lvalues(const ::MIR::Terminator& term, ::std::function<bool(const ::MIR::LValue& , ValUsage)> cb);
+}   // namespace visit
+
 }   // namespace MIR
 
 extern ::MIR::ValueLifetimes MIR_Helper_GetLifetimes(::MIR::TypeResolve& state, const ::MIR::Function& fcn, bool dump_debug);