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Viewing changes to contrib/ICSharpCode.NRefactory.CSharp/TypeSystem/CSharpParsedFile.cs

  • Committer: Package Import Robot
  • Author(s): Jo Shields
  • Date: 2013-05-12 09:46:03 UTC
  • mto: This revision was merged to the branch mainline in revision 29.
  • Revision ID: package-import@ubuntu.com-20130512094603-mad323bzcxvmcam0
Tags: upstream-4.0.5+dfsg
ImportĀ upstreamĀ versionĀ 4.0.5+dfsg

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contrib/ICSharpCode.NRefactory.CSharp/TypeSystem/CSharpParsedFile.cs
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ļ»æ// Copyright (c) AlphaSierraPapa for the SharpDevelop Team
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// 
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// Permission is hereby granted, free of charge, to any person obtaining a copy of this
4
 
// software and associated documentation files (the "Software"), to deal in the Software
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// without restriction, including without limitation the rights to use, copy, modify, merge,
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// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
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// to whom the Software is furnished to do so, subject to the following conditions:
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// 
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// The above copyright notice and this permission notice shall be included in all copies or
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// substantial portions of the Software.
11
 
// 
12
 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
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// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
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// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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using System;
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using System.Collections.Generic;
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using ICSharpCode.NRefactory.Documentation;
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using ICSharpCode.NRefactory.Editor;
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using ICSharpCode.NRefactory.TypeSystem;
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using ICSharpCode.NRefactory.TypeSystem.Implementation;
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using System.Linq;
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namespace ICSharpCode.NRefactory.CSharp.TypeSystem
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{
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        /// <summary>
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        /// Represents a file that was parsed and converted for the type system.
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        /// </summary>
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        [Serializable]
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        public sealed class CSharpParsedFile : AbstractFreezable, IParsedFile, IUnresolvedDocumentationProvider
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        {
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                readonly string fileName;
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                readonly UsingScope rootUsingScope;
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                IList<IUnresolvedTypeDefinition> topLevelTypeDefinitions = new List<IUnresolvedTypeDefinition>();
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                IList<IUnresolvedAttribute> assemblyAttributes = new List<IUnresolvedAttribute>();
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                IList<IUnresolvedAttribute> moduleAttributes = new List<IUnresolvedAttribute>();
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                IList<UsingScope> usingScopes = new List<UsingScope>();
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                IList<Error> errors = new List<Error> ();
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                Dictionary<IUnresolvedEntity, string> documentation;
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                protected override void FreezeInternal()
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                {
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                        base.FreezeInternal();
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                        rootUsingScope.Freeze();
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                        topLevelTypeDefinitions = FreezableHelper.FreezeListAndElements(topLevelTypeDefinitions);
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                        assemblyAttributes = FreezableHelper.FreezeListAndElements(assemblyAttributes);
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                        moduleAttributes = FreezableHelper.FreezeListAndElements(moduleAttributes);
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                        usingScopes = FreezableHelper.FreezeListAndElements(usingScopes);
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                }
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                public CSharpParsedFile(string fileName)
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                {
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                        if (fileName == null)
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                                throw new ArgumentNullException("fileName");
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                        this.fileName = fileName;
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                        this.rootUsingScope = new UsingScope();
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                }
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                public CSharpParsedFile(string fileName, UsingScope rootUsingScope)
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                {
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                        if (fileName == null)
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                                throw new ArgumentNullException("fileName");
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                        if (rootUsingScope == null)
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                                throw new ArgumentNullException("rootUsingScope");
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                        this.fileName = fileName;
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                        this.rootUsingScope = rootUsingScope;
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                }
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                public string FileName {
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                        get { return fileName; }
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                }
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                DateTime? lastWriteTime;
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                public DateTime? LastWriteTime {
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                        get { return lastWriteTime; }
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                        set {
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                                FreezableHelper.ThrowIfFrozen(this);
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                                lastWriteTime = value;
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                        }
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                }
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                public UsingScope RootUsingScope {
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                        get { return rootUsingScope; }
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                }
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                public IList<Error> Errors {
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                        get { return errors; }
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                        internal set { errors = (List<Error>)value; }
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                }
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                public IList<UsingScope> UsingScopes {
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                        get { return usingScopes; }
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                }
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                public IList<IUnresolvedTypeDefinition> TopLevelTypeDefinitions {
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                        get { return topLevelTypeDefinitions; }
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                }
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                public IList<IUnresolvedAttribute> AssemblyAttributes {
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                        get { return assemblyAttributes; }
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                }
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                public IList<IUnresolvedAttribute> ModuleAttributes {
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                        get { return moduleAttributes; }
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                }
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                public void AddDocumentation(IUnresolvedEntity entity, string xmlDocumentation)
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                {
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                        FreezableHelper.ThrowIfFrozen(this);
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                        if (documentation == null)
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                                documentation = new Dictionary<IUnresolvedEntity, string>();
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                        documentation.Add(entity, xmlDocumentation);
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                }
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                public UsingScope GetUsingScope(TextLocation location)
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                {
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                        foreach (UsingScope scope in usingScopes) {
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                                if (scope.Region.IsInside(location.Line, location.Column))
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                                        return scope;
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                        }
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                        return rootUsingScope;
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                }
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                public IUnresolvedTypeDefinition GetTopLevelTypeDefinition(TextLocation location)
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                {
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                        return FindEntity(topLevelTypeDefinitions, location);
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                }
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                public IUnresolvedTypeDefinition GetInnermostTypeDefinition(TextLocation location)
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                {
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                        IUnresolvedTypeDefinition parent = null;
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                        IUnresolvedTypeDefinition type = GetTopLevelTypeDefinition(location);
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                        while (type != null) {
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                                parent = type;
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                                type = FindEntity(parent.NestedTypes, location);
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                        }
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                        return parent;
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                }
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                public IUnresolvedMember GetMember(TextLocation location)
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                {
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                        IUnresolvedTypeDefinition type = GetInnermostTypeDefinition(location);
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                        if (type == null)
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                                return null;
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                        return FindEntity(type.Members, location);
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                }
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                static T FindEntity<T>(IList<T> list, TextLocation location) where T : class, IUnresolvedEntity
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                {
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                        // This could be improved using a binary search
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                        foreach (T entity in list) {
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                                if (entity.Region.IsInside(location.Line, location.Column))
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                                        return entity;
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                        }
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                        return null;
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                }
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                public CSharpTypeResolveContext GetTypeResolveContext(ICompilation compilation, TextLocation loc)
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                {
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                        var rctx = new CSharpTypeResolveContext (compilation.MainAssembly);
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                        rctx = rctx.WithUsingScope (GetUsingScope (loc).Resolve (compilation));
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                        var curDef = GetInnermostTypeDefinition (loc);
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                        if (curDef != null) {
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                                var resolvedDef = curDef.Resolve (rctx).GetDefinition ();
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                                if (resolvedDef == null)
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                                        return rctx;
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                                rctx = rctx.WithCurrentTypeDefinition (resolvedDef);
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                                var curMember = resolvedDef.Members.FirstOrDefault (m => m.Region.FileName == FileName && m.Region.Begin <= loc && loc < m.BodyRegion.End);
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                                if (curMember != null)
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                                        rctx = rctx.WithCurrentMember (curMember);
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                        }
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                        return rctx;
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                }
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                ITypeResolveContext IParsedFile.GetTypeResolveContext (ICompilation compilation, TextLocation loc)
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                {
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                        return GetTypeResolveContext (compilation, loc);
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                }
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                public ICSharpCode.NRefactory.CSharp.Resolver.CSharpResolver GetResolver (ICompilation compilation, TextLocation loc)
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                {
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                        return new ICSharpCode.NRefactory.CSharp.Resolver.CSharpResolver (GetTypeResolveContext (compilation, loc));
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                }
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                public string GetDocumentation(IUnresolvedEntity entity)
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                {
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                        if (entity == null)
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                                throw new ArgumentNullException("entity");
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                        if (documentation == null)
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                                return null;
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                        string xmlDoc;
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                        if (documentation.TryGetValue(entity, out xmlDoc))
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                                return xmlDoc;
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                        else
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                                return null;
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                }
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                public DocumentationComment GetDocumentation(IUnresolvedEntity entity, IEntity resolvedEntity)
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                {
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                        if (entity == null)
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                                throw new ArgumentNullException("entity");
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                        if (resolvedEntity == null)
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                                throw new ArgumentNullException("resolvedEntity");
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                        string xmlDoc = GetDocumentation(entity);
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                        if (xmlDoc == null)
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                                return null;
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                        var unresolvedTypeDef = entity as IUnresolvedTypeDefinition ?? entity.DeclaringTypeDefinition;
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                        var resolvedTypeDef = resolvedEntity as ITypeDefinition ?? resolvedEntity.DeclaringTypeDefinition;
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                        if (unresolvedTypeDef != null && resolvedTypeDef != null) {
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                                // Strictly speaking, we would have to pass the parent context into CreateResolveContext,
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                                // then transform the result using WithTypeDefinition().
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                                // However, we can simplify this here because we know this is a C# type definition.
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                                var context = unresolvedTypeDef.CreateResolveContext(new SimpleTypeResolveContext(resolvedTypeDef));
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                                if (resolvedEntity is IMember)
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                                        context = context.WithCurrentMember((IMember)resolvedEntity);
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                                return new CSharpDocumentationComment(new StringTextSource(xmlDoc), context);
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                        } else {
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                                return new DocumentationComment(new StringTextSource(xmlDoc), new SimpleTypeResolveContext(resolvedEntity));
225
 
                        }
226
 
                }
227
 
        }
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}