Initial data commit

Task/Stack-traces/Ada/stack-traces.ada

@@ -0,0 +1,31 @@
+with Ada.Text_IO;  use Ada.Text_IO;
+with GNAT.Traceback;
+with GNAT.Traceback.Symbolic;
+
+procedure Test_Stack_Trace is
+   procedure Call_Stack is
+      Trace  : GNAT.Traceback.Tracebacks_Array (1..1_000);
+      Length : Natural;
+   begin
+      GNAT.Traceback.Call_Chain (Trace, Length);
+      Put_Line (GNAT.Traceback.Symbolic.Symbolic_Traceback (Trace (1..Length)));
+   end Call_Stack;
+
+   procedure Inner (K : Integer) is
+   begin
+      Call_Stack;
+   end Inner;
+
+   procedure Middle (X, Y : Integer) is
+   begin
+      Inner (X * Y);
+   end Middle;
+
+   procedure Outer (A, B, C : Integer) is
+   begin
+     Middle (A + B, B + C);
+   end Outer;
+
+begin
+  Outer (2,3,5);
+end Test_Stack_Trace;