84 lines
3.2 KiB
C#
84 lines
3.2 KiB
C#
//
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// RequiresFactory.cs
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//
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// Authors:
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// Alexander Chebaturkin (chebaturkin@gmail.com)
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//
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// Copyright (C) 2011 Alexander Chebaturkin
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using Mono.CodeContracts.Static.AST;
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using Mono.CodeContracts.Static.DataStructures;
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namespace Mono.CodeContracts.Static.ControlFlow.Subroutines.Builders {
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class RequiresFactory : SubroutineFactory<Method, Pair<Method, IImmutableSet<Subroutine>>> {
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public RequiresFactory (SubroutineFacade subroutineFacade)
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: base (subroutineFacade)
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{
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}
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#region Overrides of SubroutineFactory<Method,Pair<Method,IImmutableSet<Subroutine>>>
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protected override Subroutine BuildNewSubroutine (Method method)
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{
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if (ContractProvider != null) {
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IImmutableSet<Subroutine> inheritedRequires = GetInheritedRequires (method);
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if (ContractProvider.HasRequires (method))
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return ContractProvider.AccessRequires (method, this, new Pair<Method, IImmutableSet<Subroutine>> (method, inheritedRequires));
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if (inheritedRequires.Count > 0) {
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if (inheritedRequires.Count == 1)
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return inheritedRequires.Any;
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return new RequiresSubroutine<Dummy> (this.SubroutineFacade, method, inheritedRequires);
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}
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}
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return null;
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}
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private IImmutableSet<Subroutine> GetInheritedRequires (Method method)
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{
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IImmutableSet<Subroutine> result = ImmutableSet<Subroutine>.Empty ();
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if (MetaDataProvider.IsVirtual (method) && ContractProvider.CanInheritContracts (method)) {
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Method rootMethod;
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if (MetaDataProvider.TryGetRootMethod (method, out rootMethod)) {
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Subroutine sub = Get (MetaDataProvider.Unspecialized (method));
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if (sub != null)
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result = result.Add (sub);
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}
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foreach (Method implMethod in MetaDataProvider.ImplementedMethods (method)) {
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Subroutine sub = Get (MetaDataProvider.Unspecialized (implMethod));
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if (sub != null)
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result = result.Add (sub);
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}
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}
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return result;
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}
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protected override Subroutine Factory<Label> (SimpleSubroutineBuilder<Label> builder, Label entry, Pair<Method, IImmutableSet<Subroutine>> data)
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{
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return new RequiresSubroutine<Label> (this.SubroutineFacade, data.Key, builder, entry, data.Value);
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}
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#endregion
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}
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}
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