From ab519e927d0dc7975517671afb5ae4ea12e5268a Mon Sep 17 00:00:00 2001
From: tabarbe <unknown>
Date: Fri, 27 Aug 2010 15:46:36 +0000
Subject: Boogie: Basetypes port 2/3: Committing new source file, deleting old
 one

---
 Source/Basetypes/AssemblyInfo.cs |   4 -
 Source/Basetypes/cce.cs          | 193 +++++++++++++++++++++++++++++++++++++++
 2 files changed, 193 insertions(+), 4 deletions(-)
 delete mode 100644 Source/Basetypes/AssemblyInfo.cs
 create mode 100644 Source/Basetypes/cce.cs

diff --git a/Source/Basetypes/AssemblyInfo.cs b/Source/Basetypes/AssemblyInfo.cs
deleted file mode 100644
index 6ed99a25..00000000
--- a/Source/Basetypes/AssemblyInfo.cs
+++ /dev/null
@@ -1,4 +0,0 @@
-using System.Reflection;
-using System.Runtime.CompilerServices;
-
-[assembly: AssemblyKeyFile("..\\InterimKey.snk")]
diff --git a/Source/Basetypes/cce.cs b/Source/Basetypes/cce.cs
new file mode 100644
index 00000000..d85a1300
--- /dev/null
+++ b/Source/Basetypes/cce.cs
@@ -0,0 +1,193 @@
+using System;
+using SA=System.Attribute;
+using System.Collections.Generic;
+using System.Diagnostics.Contracts;
+using System.Text;
+//using Microsoft.Boogie;
+
+/// <summary>
+/// A class containing static methods to extend the functionality of Code Contracts
+/// </summary>
+
+public static class cce {
+  //[Pure]
+  //public static bool NonNullElements<T>(Microsoft.Dafny.Graph<T> collection) {
+  //  return collection != null && cce.NonNullElements(collection.TopologicallySortedComponents());
+  //}
+  [Pure]
+  public static T NonNull<T>(T t) {
+    Contract.Assert(t != null);
+    return t;
+  }
+  [Pure]
+  public static bool NonNullElements<T>(IEnumerable<T> collection) {
+    return collection != null && Contract.ForAll(collection, c => c != null);
+  }
+  [Pure]
+  public static bool NonNullElements<TKey, TValue>(IDictionary<TKey, TValue> collection) {
+    return collection != null && Contract.ForAll(collection, pair => NonNullElements(pair));
+  }
+  //[Pure]
+  //public static bool NonNullElements(VariableSeq collection) {
+  //  return collection != null && Contract.ForAll(0, collection.Length, i => collection[i] != null);
+  //}
+  /// <summary>
+  /// For possibly-null lists of non-null elements
+  /// </summary>
+  /// <typeparam name="T"></typeparam>
+  /// <param name="collection"></param>
+  /// <param name="nullability">If true, the collection is treated as an IEnumerable&lt;T!&gt;?, rather than an IEnumerable&lt;T!&gt;!</param>
+  /// <returns></returns>
+  [Pure]
+  public static bool NonNullElements<T>(IEnumerable<T> collection, bool nullability) {
+    return (nullability && collection == null) || cce.NonNullElements(collection);
+    //Should be the same as:
+    /*if(nullability&&collection==null)
+     * return true;
+     * return cce.NonNullElements(collection)
+     */
+
+  }
+  [Pure]
+  public static bool NonNullElements<TKey, TValue>(KeyValuePair<TKey, TValue> kvp) {
+    return kvp.Key != null && kvp.Value != null;
+  }
+  [Pure]
+  public static bool NonNullElements<T>(IEnumerator<T> iEnumerator) {
+    return iEnumerator != null;
+  }
+  //[Pure]
+  //public static bool NonNullElements<T>(Graphing.Graph<T> graph) {
+  //  return cce.NonNullElements(graph.TopologicalSort());
+  //}
+  [Pure]
+  public static void BeginExpose(object o) {
+  }
+  [Pure]
+  public static void EndExpose() {
+  }
+  [Pure]
+  public static bool IsPeerConsistent(object o) {
+    return true;
+  }
+  [Pure]
+  public static bool IsConsistent(object o) {
+    return true;
+  }
+  [Pure]
+  public static bool IsExposable(object o) {
+    return true;
+  }
+  [Pure]
+  public static bool IsExposed(object o) {
+    return true;
+  }
+  [Pure]
+  public static bool IsNew(object o) {
+    return true;
+  }
+  public static class Owner {
+    [Pure]
+    public static bool Same(object o, object p) {
+      return true;
+    }
+    [Pure]
+    public static void AssignSame(object o, object p) {
+    }
+    [Pure]
+    public static object ElementProxy(object o) {
+      return o;
+    }
+    [Pure]
+    public static bool None(object o) {
+      return true;
+    }
+    [Pure]
+    public static bool Different(object o, object p) {
+      return true;
+    }
+    [Pure]
+    public static bool New(object o) {
+      return true;
+    }
+  }
+  [Pure]
+  public static void LoopInvariant(bool p) {
+    Contract.Assert(p);
+  }
+  public class UnreachableException : Exception {
+    public UnreachableException() {
+    }
+  }
+  //[Pure]
+  //public static bool IsValid(Microsoft.Dafny.Expression expression) {
+  //  return true;
+  //}
+  //public static List<T> toList<T>(PureCollections.Sequence s) {
+  //  List<T> toRet = new List<T>();
+  //  foreach (T t in s.elems)
+  //    if(t!=null)
+  //    toRet.Add(t);
+  //  return toRet;
+  //}
+
+  //internal static bool NonNullElements(Microsoft.Boogie.Set set) {
+  //  return set != null && Contract.ForAll(0,set.Count, i => set[i] != null);
+  //}
+}
+
+public class PeerAttribute : SA {
+}
+public class RepAttribute : SA {
+}
+public class CapturedAttribute : SA {
+}
+public class NotDelayedAttribute : SA {
+}
+public class NoDefaultContractAttribute : SA {
+}
+public class VerifyAttribute : SA {
+  public VerifyAttribute(bool b) {
+
+  }
+}
+public class StrictReadonlyAttribute : SA {
+}
+public class AdditiveAttribute : SA {
+}
+public class ReadsAttribute : SA {
+  public enum Reads {
+    Nothing,
+    Everything,
+  };
+  public ReadsAttribute(object o) {
+  }
+}
+public class GlobalAccessAttribute : SA {
+  public GlobalAccessAttribute(bool b) {
+  }
+}
+public class EscapesAttribute : SA {
+  public EscapesAttribute(bool b, bool b_2) {
+  }
+}
+public class NeedsContractsAttribute : SA {
+  public NeedsContractsAttribute() {
+  }
+  public NeedsContractsAttribute(bool ret, bool parameters) {
+  }
+  public NeedsContractsAttribute(bool ret, int[] parameters) {
+  }
+}
+public class ImmutableAttribute : SA {
+}
+public class InsideAttribute : SA {
+}
+public class SpecPublicAttribute : SA {
+}
+public class ElementsPeerAttribute : SA {
+}
+public class ResultNotNewlyAllocatedAttribute : SA {
+}
+public class OnceAttribute : SA {
+}
\ No newline at end of file
-- 
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