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integrate lambda expressions

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-06-26 07:23:04 -07:00
parent bf4edef761
commit 520ce9a5ee
139 changed files with 2243 additions and 1506 deletions
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47
src/api/dotnet/Context.cs
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@ -3292,6 +3292,53 @@ namespace Microsoft.Z3
return MkExists(boundConstants, body, weight, patterns, noPatterns, quantifierID, skolemID);
}
/// <summary>
/// Create a lambda expression.
/// </summary>
/// <remarks>
/// Creates a lambda expression.
/// <paramref name="sorts"/> is an array
/// with the sorts of the bound variables, <paramref name="names"/> is an array with the
/// 'names' of the bound variables, and <paramref name="body"/> is the body of the
/// lambda.
/// Note that the bound variables are de-Bruijn indices created using <see cref="MkBound"/>.
/// Z3 applies the convention that the last element in <paramref name="names"/> and
/// <paramref name="sorts"/> refers to the variable with index 0, the second to last element
/// of <paramref name="names"/> and <paramref name="sorts"/> refers to the variable
/// with index 1, etc.
/// </remarks>
/// <param name="sorts">the sorts of the bound variables.</param>
/// <param name="names">names of the bound variables</param>
/// <param name="body">the body of the quantifier.</param>
public Lambda MkLambda(Sort[] sorts, Symbol[] names, Expr body)
{
Contract.Requires(sorts != null);
Contract.Requires(names != null);
Contract.Requires(body != null);
Contract.Requires(sorts.Length == names.Length);
Contract.Requires(Contract.ForAll(sorts, s => s != null));
Contract.Requires(Contract.ForAll(names, n => n != null));
Contract.Ensures(Contract.Result<Lambda>() != null);
return new Lambda(this, sorts, names, body);
}
/// <summary>
/// Create a lambda expression.
/// </summary>
/// <remarks>
/// Creates a lambda expression using a list of constants that will
/// form the set of bound variables.
/// <seealso cref="MkLambda(Sort[], Symbol[], Expr)"/>
/// </remarks>
public Lambda MkLambda(Expr[] boundConstants, Expr body)
{
Contract.Requires(body != null);
Contract.Requires(boundConstants != null && Contract.ForAll(boundConstants, b => b != null));
Contract.Ensures(Contract.Result<Lambda>() != null);
return new Lambda(this, boundConstants, body);
}
#endregion
#endregion // Expr