lib: introduce Basics session

This session currently contains only one theory (CLib), which we want
to include both in Lib and later independently in CParser/AutoCorres.

Signed-off-by: Gerwin Klein <gerwin.klein@proofcraft.systems>

ROOTS

@@ -7,6 +7,7 @@ tools
 camkes
 sys-init
 lib
+lib/Basics
 lib/Eisbach_Tools
 lib/ML_Utils
 lib/Monads

lib/Basics/ROOT

@@ -0,0 +1,12 @@
+(*
+ * Copyright 2023, Proofcraft Pty Ltd
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ *)
+
+chapter Lib
+
+session Basics (lib) = Word_Lib +
+
+  theories
+    CLib

lib/Lib.thy

@@ -20,7 +20,7 @@ imports
   Eval_Bool
   Monads.Fun_Pred_Syntax
   Monads.Monad_Lib
-  CLib
+  Basics.CLib
   NICTATools
   "Word_Lib.WordSetup"
 begin

lib/ROOT

@@ -9,6 +9,7 @@ chapter Lib
 session Lib (lib) = Word_Lib +
   sessions
     "HOL-Library"
+    Basics
     Eisbach_Tools
     ML_Utils
     Monads

lib/clib/LemmaBucket_C.thy

@@ -6,7 +6,7 @@
 
 theory LemmaBucket_C
 imports
-  Lib.CLib
+  Basics.CLib
   CParser.TypHeapLib
 begin