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Viewing changes to src/core/MonoDevelop.Core/MonoDevelop.Projects.Dom.Serialization/ProjectCodeCompletionDatabase.cs

  • Committer: Bazaar Package Importer
  • Author(s): Jo Shields
  • Date: 2010-09-10 16:54:48 UTC
  • mfrom: (19.1.1 experimental)
  • Revision ID: james.westby@ubuntu.com-20100910165448-0rybfk25zd4o9431
Tags: 2.4+dfsg-2
* debian/patches/inject_Mono.Debugger.Soft_source.patch,
  debian/patches/use_system_Mono.Debugger.Soft.patch,
  debian/control:
  + Build against system Soft Debugger, since we now have a new
    enough Mono to match MonoDevelop's required API

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src/core/MonoDevelop.Core/MonoDevelop.Projects.Dom.Serialization/ProjectCodeCompletionDatabase.cs
 
1
//
 
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// ProjectCodeCompletionDatabase.cs
 
3
//
 
4
// Author:
 
5
//   Lluis Sanchez Gual
 
6
//
 
7
// Copyright (C) 2005 Novell, Inc (http://www.novell.com)
 
8
//
 
9
// Permission is hereby granted, free of charge, to any person obtaining
 
10
// a copy of this software and associated documentation files (the
 
11
// "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
 
15
// the following conditions:
 
16
// 
 
17
// The above copyright notice and this permission notice shall be
 
18
// included in all copies or substantial portions of the Software.
 
19
// 
 
20
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 
21
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 
22
// 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.
 
27
//
 
28
 
 
29
using System;
 
30
using System.Collections;
 
31
using System.Collections.Generic;
 
32
using System.IO;
 
33
 
 
34
using MonoDevelop.Core;
 
35
using MonoDevelop.Projects;
 
36
using MonoDevelop.Projects.Dom.Parser;
 
37
using MonoDevelop.Core.Assemblies;
 
38
using System.Reflection;
 
39
 
 
40
namespace MonoDevelop.Projects.Dom.Serialization
 
41
{
 
42
        internal class ProjectCodeCompletionDatabase : SerializationCodeCompletionDatabase
 
43
        {
 
44
                Project project;
 
45
                bool initialFileCheck;
 
46
                string lastVersion = null;
 
47
                int parseCount;
 
48
                
 
49
                public ProjectCodeCompletionDatabase (Project project, ParserDatabase pdb): base (pdb, true)
 
50
                {
 
51
                        Counters.LiveProjectDatabases++;
 
52
                        this.project = project;
 
53
                        SetLocation (project.BaseDirectory, project.Name);
 
54
                        
 
55
                        Read ();
 
56
                        
 
57
                        UpdateFromProject ();
 
58
                        
 
59
                        project.FileChangedInProject   += new ProjectFileEventHandler (OnFileChanged);
 
60
                        project.FileAddedToProject     += new ProjectFileEventHandler (OnFileAdded);
 
61
                        project.FileRemovedFromProject += new ProjectFileEventHandler (OnFileRemoved);
 
62
                        project.FileRenamedInProject   += new ProjectFileRenamedEventHandler (OnFileRenamed);
 
63
                        project.Modified               += new SolutionItemModifiedEventHandler (OnProjectModified);
 
64
 
 
65
                        initialFileCheck = true;
 
66
                }
 
67
                
 
68
                public override Project Project {
 
69
                        get { return project; }
 
70
                }
 
71
                
 
72
                public override void Dispose ()
 
73
                {
 
74
                        Counters.LiveProjectDatabases--;
 
75
                        base.Dispose ();
 
76
                        project.FileChangedInProject -= new ProjectFileEventHandler (OnFileChanged);
 
77
                        project.FileAddedToProject -= new ProjectFileEventHandler (OnFileAdded);
 
78
                        project.FileRemovedFromProject -= new ProjectFileEventHandler (OnFileRemoved);
 
79
                        project.FileRenamedInProject -= new ProjectFileRenamedEventHandler (OnFileRenamed);
 
80
                        project.Modified -= new SolutionItemModifiedEventHandler (OnProjectModified);
 
81
                }
 
82
                
 
83
                public override void CheckModifiedFiles ()
 
84
                {
 
85
                        // Once the first modification check is done, change detection
 
86
                        // is done through project events
 
87
                        
 
88
                        if (initialFileCheck)
 
89
                                base.CheckModifiedFiles ();
 
90
                        initialFileCheck = false;
 
91
                }
 
92
                
 
93
                void OnFileChanged (object sender, ProjectFileEventArgs args)
 
94
                {
 
95
                        FileEntry file = GetFile (args.ProjectFile.Name);
 
96
                        if (file != null) {
 
97
                                file.ParseErrorRetries = 0;
 
98
                                QueueParseJob (file);
 
99
                        }
 
100
                }
 
101
                
 
102
                void OnFileAdded (object sender, ProjectFileEventArgs args)
 
103
                {
 
104
                        FileEntry file = AddFile (args.ProjectFile.Name);
 
105
                        // CheckModifiedFiles won't detect new files, so parsing
 
106
                        // must be manyally signaled
 
107
                        QueueParseJob (file);
 
108
                }
 
109
 
 
110
                void OnFileRemoved (object sender, ProjectFileEventArgs args)
 
111
                {
 
112
                        RemoveFile (args.ProjectFile.Name);
 
113
                }
 
114
 
 
115
                void OnFileRenamed (object sender, ProjectFileRenamedEventArgs args)
 
116
                {
 
117
                        RemoveFile (args.OldName);
 
118
                        FileEntry file = AddFile (args.NewName);
 
119
                        // CheckModifiedFiles won't detect new files, so parsing
 
120
                        // must be manyally signaled
 
121
                        QueueParseJob (file);
 
122
                }
 
123
                
 
124
                void OnProjectModified (object s, SolutionItemModifiedEventArgs args)
 
125
                {
 
126
                        UpdateCorlibReference ();
 
127
                        if (UpdateCorlibReference ())
 
128
                                SourceProjectDom.UpdateReferences ();
 
129
                }
 
130
 
 
131
                public void UpdateFromProject ()
 
132
                {
 
133
                        Hashtable fs = new Hashtable ();
 
134
                        foreach (ProjectFile file in project.Files)
 
135
                        {
 
136
                                if (GetFile (file.Name) == null) AddFile (file.Name);
 
137
                                fs [file.Name] = null;
 
138
                        }
 
139
                        
 
140
                        ArrayList keys = new ArrayList ();
 
141
                        keys.AddRange (files.Keys);
 
142
                        foreach (string file in keys)
 
143
                        {
 
144
                                if (!fs.Contains (file))
 
145
                                        RemoveFile (file);
 
146
                        }
 
147
                        
 
148
                        fs.Clear ();
 
149
                        if (project is DotNetProject) {
 
150
                                DotNetProject netProject = (DotNetProject) project;
 
151
                                foreach (SolutionItem pr in netProject.GetReferencedItems (ConfigurationSelector.Default)) {
 
152
                                        if (pr is Project) {
 
153
                                                string refId = "Project:" + ((Project)pr).FileName;
 
154
                                                fs[refId] = null;
 
155
                                                if (!HasReference (refId))
 
156
                                                        AddReference (refId);
 
157
                                        }
 
158
                                }
 
159
                                
 
160
                                // Get the assembly references throught the project, since it may have custom references
 
161
                                foreach (string file in netProject.GetReferencedAssemblies (ConfigurationSelector.Default, false)) {
 
162
                                        string refId = "Assembly:" + netProject.TargetRuntime.Id + ":" + Path.GetFullPath (file);
 
163
                                        fs[refId] = null;
 
164
                                        if (!HasReference (refId))
 
165
                                                AddReference (refId);
 
166
                                }
 
167
                        }
 
168
                        
 
169
                        keys.Clear();
 
170
                        keys.AddRange (references);
 
171
                        foreach (ReferenceEntry re in keys)
 
172
                        {
 
173
                                // Don't delete corlib references. They are implicit to projects, but not to pidbs.
 
174
                                if (!fs.Contains (re.Uri) && !IsCorlibReference (re))
 
175
                                        RemoveReference (re.Uri);
 
176
                        }
 
177
                        UpdateCorlibReference ();
 
178
                }
 
179
                
 
180
                bool UpdateCorlibReference ()
 
181
                {
 
182
                        // Creates a reference to the correct version of mscorlib, depending
 
183
                        // on the target runtime version. Returns true if the references
 
184
                        // have changed.
 
185
                        
 
186
                        DotNetProject prj = project as DotNetProject;
 
187
                        if (prj == null) return false;
 
188
                        
 
189
                        if (prj.TargetFramework.Id == lastVersion)
 
190
                                return false;
 
191
 
 
192
                        // Look for an existing mscorlib reference
 
193
                        string currentRefUri = null;
 
194
                        foreach (ReferenceEntry re in References) {
 
195
                                if (IsCorlibReference (re)) {
 
196
                                        currentRefUri = re.Uri;
 
197
                                        break;
 
198
                                }
 
199
                        }
 
200
                        
 
201
                        // Gets the name and version of the mscorlib assembly required by the project
 
202
                        string requiredRefUri = "Assembly:" + prj.TargetRuntime.Id + ":";
 
203
                        SystemAssembly asm = prj.TargetRuntime.AssemblyContext.GetAssemblyForVersion (typeof(object).Assembly.FullName, null, prj.TargetFramework);
 
204
                        if (asm == null) {
 
205
                                LoggingService.LogWarning ("mscorlib assembly not found for framework '" + prj.TargetFramework.Id + "'. The framework may not be installed.");
 
206
                                return false;
 
207
                        }
 
208
                        requiredRefUri += asm.Location;
 
209
                        
 
210
                        // Replace the old reference if the target version has changed
 
211
                        if (currentRefUri != null) {
 
212
                                if (currentRefUri != requiredRefUri) {
 
213
                                        RemoveReference (currentRefUri);
 
214
                                        AddReference (requiredRefUri);
 
215
                                        return true;
 
216
                                }
 
217
                        } else {
 
218
                                AddReference (requiredRefUri);
 
219
                                return true;
 
220
                        }
 
221
                        return false;
 
222
                }
 
223
                
 
224
                bool IsCorlibReference (ReferenceEntry re)
 
225
                {
 
226
                        TargetRuntime tr;
 
227
                        TargetFramework fx;
 
228
                        string file;
 
229
                        if (ProjectDomService.ParseAssemblyUri (re.Uri, out tr, out fx, out file))
 
230
                                return Path.GetFileNameWithoutExtension (file) == "mscorlib";
 
231
                        else
 
232
                                return false;
 
233
                }
 
234
                
 
235
                protected override void ParseFile (string fileName, IProgressMonitor monitor)
 
236
                {
 
237
                        if (monitor != null) monitor.BeginTask (string.Format (GettextCatalog.GetString ("Parsing file: {0}"), Path.GetFileName (fileName)), 1);
 
238
                        
 
239
                        try {
 
240
                                ProjectDomService.Parse (this.project,
 
241
                                                         fileName,
 
242
                                                         null,
 
243
                                                         delegate () { return File.ReadAllText (fileName); });
 
244
                                // The call to ProjectDomService.Parse will call UpdateFromParseInfo when done
 
245
                        } finally {
 
246
                                if (monitor != null) monitor.EndTask ();
 
247
                        }
 
248
                }
 
249
                
 
250
                int totalUnresolvedCount;
 
251
                
 
252
                public TypeUpdateInformation UpdateFromParseInfo (ICompilationUnit parserInfo, string fileName)
 
253
                {
 
254
                        lock (rwlock) {
 
255
                                ICompilationUnit cu = parserInfo;
 
256
        
 
257
                                List<IType> resolved;
 
258
                                
 
259
                                int unresolvedCount = ResolveTypes (cu, cu.Types, out resolved);
 
260
                                totalUnresolvedCount += unresolvedCount;
 
261
                                
 
262
                                TypeUpdateInformation res = UpdateTypeInformation (resolved, parserInfo.FileName);
 
263
                                
 
264
                                FileEntry file = files [fileName] as FileEntry;
 
265
                                if (file != null) {
 
266
                                        if (unresolvedCount > 0) {
 
267
                                                if (file.ParseErrorRetries != 1) {
 
268
                                                        file.ParseErrorRetries = 1;
 
269
                                                        
 
270
                                                        // Enqueue the file for quickly reparse. Types can't be resolved most probably because
 
271
                                                        // the file that implements them is not yet parsed.
 
272
                                                        ProjectDomService.QueueParseJob (SourceProjectDom, 
 
273
                                                                                         delegate { UpdateFromParseInfo (parserInfo, fileName); },
 
274
                                                                                         file.FileName);
 
275
                                                }
 
276
                                        }
 
277
                                        else {
 
278
                                                file.ParseErrorRetries = 0;
 
279
                                        }
 
280
                                }
 
281
                                
 
282
                                if ((++parseCount % MAX_ACTIVE_COUNT) == 0)
 
283
                                        Flush ();
 
284
                                return res;
 
285
                        }
 
286
                }
 
287
                
 
288
                protected override void OnFileRemoved (string fileName, TypeUpdateInformation classInfo)
 
289
                {
 
290
                        if (classInfo.Removed.Count > 0)
 
291
                                ProjectDomService.NotifyTypeUpdate (project, fileName, classInfo);
 
292
                }
 
293
                
 
294
                protected internal override void ForceUpdateBROKEN ()
 
295
                {
 
296
                        int lastCount;
 
297
                        totalUnresolvedCount = int.MaxValue;
 
298
 
 
299
                        do {
 
300
                                // Keep trying updating the db while types are being resolved
 
301
                                lastCount = totalUnresolvedCount;
 
302
                                totalUnresolvedCount = 0;
 
303
                                base.ForceUpdateBROKEN ();
 
304
                        }
 
305
                        while (totalUnresolvedCount != 0 && totalUnresolvedCount < lastCount);
 
306
                }
 
307
        }
 
308
}