Expand PeekVar to KATI_(deprecated|obsolete)_var

So that marking a variable as deprecated or obsolete does not cause the
variable to be inserted into the used environment table.

1 files changed, 3 insertions, 0 deletions

diff --git a/eval.h b/eval.h
index 1dff4b7..e588f7e 100644
--- a/eval.h
+++ b/eval.h
@@ -47,6 +47,9 @@ class Evaluator {
   // For target specific variables.
   Var* LookupVarInCurrentScope(Symbol name);
 
+  // Equivalent to LookupVar, but doesn't mark as used.
+  Var* PeekVar(Symbol name);
+
   string EvalVar(Symbol name);
 
   const Loc& loc() const { return loc_; }