flowanalyzer: Add helper to query visible version of variable

diff --git a/vala/valaflowanalyzer.vala b/vala/valaflowanalyzer.vala
index 4f44177f5794747a691e9726b6ffc64ac96c022c..e96d0b173063c27891d0170434b2a6663680717b 100644 (file)
--- a/vala/valaflowanalyzer.vala
+++ b/vala/valaflowanalyzer.vala
@@ -1099,4 +1099,12 @@ public class Vala.FlowAnalyzer : CodeVisitor {
                current_block = null;
                unreachable_reported = false;
        }
+
+       public Variable get_visible_variable (Variable variable) {
+               var variable_stack = var_map.get (variable);
+               if (variable_stack == null || variable_stack.size == 0)
+                       return variable;
+
+               return variable_stack.get (variable_stack.size - 1);
+       }
 }