freescale porting

[helm.git] / helm / software / matita / contribs / ng_assembly2 / compiler / ast_base_type_base.ma

diff --git a/helm/software/matita/contribs/ng_assembly2/compiler/ast_base_type_base.ma b/helm/software/matita/contribs/ng_assembly2/compiler/ast_base_type_base.ma
new file mode 100755 (executable)
index 0000000..58c3ca6
--- /dev/null
+++ b/helm/software/matita/contribs/ng_assembly2/compiler/ast_base_type_base.ma
@@ -0,0 +1,47 @@
+(**************************************************************************)
+(*       ___                                                              *)
+(*      ||M||                                                             *)
+(*      ||A||       A project by Andrea Asperti                           *)
+(*      ||T||                                                             *)
+(*      ||I||       Developers:                                           *)
+(*      ||T||         The HELM team.                                      *)
+(*      ||A||         http://helm.cs.unibo.it                             *)
+(*      \   /                                                             *)
+(*       \ /        This file is distributed under the terms of the       *)
+(*        v         GNU General Public License Version 2                  *)
+(*                                                                        *)
+(**************************************************************************)
+
+(* ********************************************************************** *)
+(*                          Progetto FreeScale                            *)
+(*                                                                        *)
+(*   Sviluppato da: Ing. Cosimo Oliboni, oliboni@cs.unibo.it              *)
+(*   Sviluppo: 2008-2010                                                  *)
+(*                                                                        *)
+(* ********************************************************************** *)
+
+include "num/bool.ma".
+
+(* ************************* *)
+(* dimensioni degli elementi *)
+(* ************************* *)
+
+(* usato per definire nell'ast *)
+ninductive ast_base_type : Type ≝
+  AST_BASE_TYPE_BYTE8: ast_base_type
+| AST_BASE_TYPE_WORD16: ast_base_type
+| AST_BASE_TYPE_WORD32: ast_base_type.
+
+(* iteratore *)
+ndefinition forall_astbasetype ≝ λP.
+ P AST_BASE_TYPE_BYTE8 ⊗
+ P AST_BASE_TYPE_WORD16 ⊗
+ P AST_BASE_TYPE_WORD32.
+
+ndefinition eq_astbasetype ≝
+λt1,t2:ast_base_type.match t1 with
+ [ AST_BASE_TYPE_BYTE8 ⇒ match t2 with [ AST_BASE_TYPE_BYTE8 ⇒ true | _ ⇒ false ]
+ | AST_BASE_TYPE_WORD16 ⇒ match t2 with [ AST_BASE_TYPE_WORD16 ⇒ true | _ ⇒ false ]
+ | AST_BASE_TYPE_WORD32 ⇒ match t2 with [ AST_BASE_TYPE_WORD32 ⇒ true | _ ⇒ false ]
+ ].
+