/Dependencies/boo/src/Boo.Lang.Compiler/TypeSystem/InternalInterface.cs
C# | 110 lines | 74 code | 10 blank | 26 comment | 9 complexity | c96b771b56327625b01f05b9a7dbea1b MD5 | raw file
Possible License(s): GPL-2.0
- #region license
- // Copyright (c) 2004, Rodrigo B. de Oliveira (rbo@acm.org)
- // All rights reserved.
- //
- // Redistribution and use in source and binary forms, with or without modification,
- // are permitted provided that the following conditions are met:
- //
- // * Redistributions of source code must retain the above copyright notice,
- // this list of conditions and the following disclaimer.
- // * Redistributions in binary form must reproduce the above copyright notice,
- // this list of conditions and the following disclaimer in the documentation
- // and/or other materials provided with the distribution.
- // * Neither the name of Rodrigo B. de Oliveira nor the names of its
- // contributors may be used to endorse or promote products derived from this
- // software without specific prior written permission.
- //
- // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
- // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
- // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- // THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- #endregion
- namespace Boo.Lang.Compiler.TypeSystem
- {
- using Boo.Lang.Compiler.Ast;
- public class InternalInterface : AbstractInternalType
- {
- int _typeDepth = -1;
-
- internal InternalInterface(TypeSystemServices manager, TypeDefinition typeDefinition) :
- base(manager, typeDefinition)
- {
- }
-
- override public IType BaseType
- {
- get
- {
- return _typeSystemServices.ObjectType;
- }
- }
-
- override public bool Resolve(List targetList, string name, EntityType flags)
- {
- bool found = base.Resolve(targetList, name, flags);
-
- foreach (TypeReference baseType in _typeDefinition.BaseTypes)
- {
- if (TypeSystemServices.GetType(baseType).Resolve(targetList, name, flags))
- {
- found = true;
- }
- }
-
- if (!found)
- {
- // also look in System.Object
- if (_typeSystemServices.ObjectType.Resolve(targetList, name, flags))
- {
- found = true;
- }
- }
- return found;
- }
-
- override public int GetTypeDepth()
- {
- if (-1 == _typeDepth)
- {
- _typeDepth = 1+GetMaxBaseInterfaceDepth();
- }
- return _typeDepth;
- }
-
- override public bool IsSubclassOf(IType type)
- {
- foreach (TypeReference baseTypeReference in _typeDefinition.BaseTypes)
- {
- IType baseType = TypeSystemServices.GetType(baseTypeReference);
- if (type == baseType || baseType.IsSubclassOf(type))
- {
- return true;
- }
- }
- return _typeSystemServices.IsSystemObject(type);
- }
-
- int GetMaxBaseInterfaceDepth()
- {
- int max = 0;
- foreach (TypeReference baseType in _typeDefinition.BaseTypes)
- {
- IType tag = TypeSystemServices.GetType(baseType);
- int depth = tag.GetTypeDepth();
- if (depth > max)
- {
- max = depth;
- }
- }
- return max;
- }
- }
- }