source: tags/3.3.13/HeuristicLab.ExtLibs/HeuristicLab.NRefactory/5.5.0/NRefactory-5.5.0/TypeSystem/Implementation/DefaultUnresolvedTypeDefinition.cs @ 18242

// Copyright (c) 2010-2013 AlphaSierraPapa for the SharpDevelop Team
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
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// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// DEALINGS IN THE SOFTWARE.

using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;

namespace ICSharpCode.NRefactory.TypeSystem.Implementation
{
  /// <summary>
  /// Represents an unresolved type definition.
  /// </summary>
  [Serializable]
  public class DefaultUnresolvedTypeDefinition : AbstractUnresolvedEntity, IUnresolvedTypeDefinition
  {
    TypeKind kind = TypeKind.Class;
    string namespaceName;
    IList<ITypeReference> baseTypes;
    IList<IUnresolvedTypeParameter> typeParameters;
    IList<IUnresolvedTypeDefinition> nestedTypes;
    IList<IUnresolvedMember> members;
    
    public DefaultUnresolvedTypeDefinition()
    {
      this.SymbolKind = SymbolKind.TypeDefinition;
    }
    
    public DefaultUnresolvedTypeDefinition(string fullName)
    {
      string namespaceName;
      string name;
      int idx = fullName.LastIndexOf ('.');
      if (idx > 0) {
        namespaceName = fullName.Substring (0, idx);
        name = fullName.Substring (idx + 1);
      } else {
        namespaceName = "";
        name = fullName;
      }

      this.SymbolKind = SymbolKind.TypeDefinition;
      this.namespaceName = namespaceName;
      this.Name = name;
    }
    
    public DefaultUnresolvedTypeDefinition(string namespaceName, string name)
    {
      this.SymbolKind = SymbolKind.TypeDefinition;
      this.namespaceName = namespaceName;
      this.Name = name;
    }
    
    public DefaultUnresolvedTypeDefinition(IUnresolvedTypeDefinition declaringTypeDefinition, string name)
    {
      this.SymbolKind = SymbolKind.TypeDefinition;
      this.DeclaringTypeDefinition = declaringTypeDefinition;
      this.namespaceName = declaringTypeDefinition.Namespace;
      this.Name = name;
      this.UnresolvedFile = declaringTypeDefinition.UnresolvedFile;
    }
    
    protected override void FreezeInternal()
    {
      base.FreezeInternal();
      baseTypes = FreezableHelper.FreezeList(baseTypes);
      typeParameters = FreezableHelper.FreezeListAndElements(typeParameters);
      nestedTypes = FreezableHelper.FreezeListAndElements(nestedTypes);
      members = FreezableHelper.FreezeListAndElements(members);
    }
    
    public override object Clone()
    {
      var copy = (DefaultUnresolvedTypeDefinition)base.Clone();
      if (baseTypes != null)
        copy.baseTypes = new List<ITypeReference>(baseTypes);
      if (typeParameters != null)
        copy.typeParameters = new List<IUnresolvedTypeParameter>(typeParameters);
      if (nestedTypes != null)
        copy.nestedTypes = new List<IUnresolvedTypeDefinition>(nestedTypes);
      if (members != null)
        copy.members = new List<IUnresolvedMember>(members);
      return copy;
    }
    
    public TypeKind Kind {
      get { return kind; }
      set {
        ThrowIfFrozen();
        kind = value;
      }
    }
    
    public bool AddDefaultConstructorIfRequired {
      get { return flags[FlagAddDefaultConstructorIfRequired]; }
      set {
        ThrowIfFrozen();
        flags[FlagAddDefaultConstructorIfRequired] = value;
      }
    }
    
    public bool? HasExtensionMethods {
      get {
        if (flags[FlagHasExtensionMethods])
          return true;
        else if (flags[FlagHasNoExtensionMethods])
          return false;
        else
          return null;
      }
      set {
        ThrowIfFrozen();
        flags[FlagHasExtensionMethods] = (value == true);
        flags[FlagHasNoExtensionMethods] = (value == false);
      }
    }
    
    public bool IsPartial {
      get { return flags[FlagPartialTypeDefinition]; }
      set {
        ThrowIfFrozen();
        flags[FlagPartialTypeDefinition] = value;
      }
    }
    
    public override string Namespace {
      get { return namespaceName; }
      set {
        if (value == null)
          throw new ArgumentNullException("value");
        ThrowIfFrozen();
        namespaceName = value;
      }
    }
    
    public override string ReflectionName {
      get {
        return this.FullTypeName.ReflectionName;
      }
    }
    
    public FullTypeName FullTypeName {
      get {
        IUnresolvedTypeDefinition declaringTypeDef = this.DeclaringTypeDefinition;
        if (declaringTypeDef != null) {
          return declaringTypeDef.FullTypeName.NestedType(this.Name, this.TypeParameters.Count - declaringTypeDef.TypeParameters.Count);
        } else {
          return new TopLevelTypeName(namespaceName, this.Name, this.TypeParameters.Count);
        }
      }
    }
    
    public IList<ITypeReference> BaseTypes {
      get {
        if (baseTypes == null)
          baseTypes = new List<ITypeReference>();
        return baseTypes;
      }
    }
    
    public IList<IUnresolvedTypeParameter> TypeParameters {
      get {
        if (typeParameters == null)
          typeParameters = new List<IUnresolvedTypeParameter>();
        return typeParameters;
      }
    }
    
    public IList<IUnresolvedTypeDefinition> NestedTypes {
      get {
        if (nestedTypes == null)
          nestedTypes = new List<IUnresolvedTypeDefinition>();
        return nestedTypes;
      }
    }
    
    public IList<IUnresolvedMember> Members {
      get {
        if (members == null)
          members = new List<IUnresolvedMember>();
        return members;
      }
    }
    
    public IEnumerable<IUnresolvedMethod> Methods {
      get {
        return Members.OfType<IUnresolvedMethod> ();
      }
    }
    
    public IEnumerable<IUnresolvedProperty> Properties {
      get {
        return Members.OfType<IUnresolvedProperty> ();
      }
    }
    
    public IEnumerable<IUnresolvedField> Fields {
      get {
        return Members.OfType<IUnresolvedField> ();
      }
    }
    
    public IEnumerable<IUnresolvedEvent> Events {
      get {
        return Members.OfType<IUnresolvedEvent> ();
      }
    }
    
    
    public IType Resolve(ITypeResolveContext context)
    {
      if (context == null)
        throw new ArgumentNullException("context");
      if (context.CurrentAssembly == null)
        throw new ArgumentException("An ITypeDefinition cannot be resolved in a context without a current assembly.");
      return context.CurrentAssembly.GetTypeDefinition(this.FullTypeName)
        ?? (IType)new UnknownType(this.Namespace, this.Name, this.TypeParameters.Count);
    }
    
    public virtual ITypeResolveContext CreateResolveContext(ITypeResolveContext parentContext)
    {
      return parentContext;
    }
  }
}