Add pretty printing for Verilog integrated with CompCert

1 files changed, 21 insertions, 0 deletions

diff --git a/src/Common/Helper.v b/src/Common/Helper.v
new file mode 100644
index 0000000..292d011
--- /dev/null
+++ b/src/Common/Helper.v
@@ -0,0 +1,21 @@
+Module Option.
+
+Definition default {T : Type} (x : T) (u : option T) : T :=
+  match u with
+  | Some y => y
+  | _ => x
+  end.
+
+Definition map {S : Type} {T : Type} (f : S -> T) (u : option S) : option T :=
+  match u with
+  | Some y => Some (f y)
+  | _ => None
+  end.
+
+Definition liftA2 {T : Type} (f : T -> T -> T) (a : option T) (b : option T) : option T :=
+  match a with
+  | Some x => map (f x) b
+  | _ => None
+  end.
+
+End Option.