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Change handling of COM interface extensibility to use Attributes.
1 parent 7ff6ad3 commit 319d4c9

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8 files changed

+104
-57
lines changed

8 files changed

+104
-57
lines changed

‎Rubberduck.Parsing/ComReflection/ComField.cs

Lines changed: 0 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,7 +1,6 @@
11
using System.Diagnostics;
22
using System.Runtime.InteropServices;
33
using System.Runtime.InteropServices.ComTypes;
4-
using System.Xml.Schema;
54
using Rubberduck.Parsing.Symbols;
65
using VARDESC = System.Runtime.InteropServices.ComTypes.VARDESC;
76
using VARFLAGS = System.Runtime.InteropServices.ComTypes.VARFLAGS;

‎Rubberduck.Parsing/ComReflection/ComInterface.cs

Lines changed: 0 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,7 +1,6 @@
11
using System;
22
using System.Collections.Generic;
33
using System.Diagnostics;
4-
using System.Linq;
54
using System.Runtime.InteropServices;
65
using System.Runtime.InteropServices.ComTypes;
76
using Rubberduck.Parsing.Symbols;

‎Rubberduck.Parsing/ComReflection/ComModule.cs

Lines changed: 0 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,7 +1,6 @@
11
using System;
22
using System.Collections.Generic;
33
using System.Diagnostics;
4-
using System.Linq;
54
using System.Runtime.InteropServices;
65
using System.Runtime.InteropServices.ComTypes;
76
using Rubberduck.Parsing.Symbols;

‎Rubberduck.Parsing/Symbols/ClassModuleDeclaration.cs

Lines changed: 24 additions & 20 deletions
Original file line numberDiff line numberDiff line change
@@ -77,7 +77,6 @@ public ClassModuleDeclaration(ComCoClass coClass, Declaration parent, QualifiedM
7777
.ToList();
7878
_supertypes = new HashSet<Declaration>();
7979
_subtypes = new HashSet<Declaration>();
80-
IsExtensible = coClass.IsExtensible;
8180
}
8281

8382
public ClassModuleDeclaration(ComInterface intrface, Declaration parent, QualifiedModuleName module,
@@ -89,9 +88,7 @@ public ClassModuleDeclaration(ComInterface intrface, Declaration parent, Qualifi
8988
true,
9089
new List<IAnnotation>(),
9190
attributes)
92-
{
93-
IsExtensible = intrface.IsExtensible;
94-
}
91+
{ }
9592

9693
public static IEnumerable<Declaration> GetSupertypes(Declaration type)
9794
{
@@ -109,7 +106,14 @@ public static bool HasDefaultMember(Declaration type)
109106
return classModule != null && classModule.DefaultMember != null;
110107
}
111108

112-
public bool IsExtensible { get; set; }
109+
private bool? _isExtensible;
110+
public bool IsExtensible
111+
{
112+
get
113+
{
114+
return _isExtensible.HasValue ? _isExtensible.Value : (_isExtensible = HasAttribute("VB_Customizable")).Value;
115+
}
116+
}
113117

114118
private bool? _isExposed;
115119
/// <summary>
@@ -134,24 +138,24 @@ public bool IsExposed
134138
}
135139
}
136140

137-
// TODO: Find out if there's info about "being exposed" in type libraries.
138-
// We take the conservative approach of treating all type library modules as exposed.
139-
private static bool IsExposedForBuiltInModules()
140-
{
141-
return true;
142-
}
141+
// TODO: This should only be a boolean in VBA ('Private' (false) and 'PublicNotCreatable' (true)) . For VB6 it will also need to support
142+
// 'SingleUse', 'GlobalSingleUse', 'MultiUse', and 'GlobalMultiUse'. See https://msdn.microsoft.com/en-us/library/aa234184%28v=vs.60%29.aspx
143+
// All built-ins are public (by definition).
144+
private static bool IsExposedForBuiltInModules()
145+
{
146+
return true;
147+
}
143148

144-
private bool HasAttribute(string attributeName)
149+
private bool HasAttribute(string attributeName)
150+
{
151+
var hasAttribute = false;
152+
IEnumerable<string> value;
153+
if (Attributes.TryGetValue(attributeName, out value))
145154
{
146-
var hasAttribute = false;
147-
IEnumerable<string> value;
148-
if (Attributes.TryGetValue(attributeName, out value))
149-
{
150-
hasAttribute = value.Single() == "True";
151-
}
152-
return hasAttribute;
155+
hasAttribute = value.Single() == "True";
153156
}
154-
157+
return hasAttribute;
158+
}
155159

156160
private bool? _isGlobal;
157161
public bool IsGlobalClassModule

‎Rubberduck.Parsing/Symbols/ReferencedDeclarationsCollector.cs

Lines changed: 42 additions & 26 deletions
Original file line numberDiff line numberDiff line change
@@ -2,7 +2,6 @@
22
using System.Collections.Generic;
33
using System.ComponentModel;
44
using System.IO;
5-
using System.Net.Configuration;
65
using System.Runtime.InteropServices;
76
using System.Runtime.InteropServices.ComTypes;
87
using Rubberduck.Parsing.ComReflection;
@@ -140,17 +139,7 @@ public List<Declaration> LoadDeclarationsFromLibrary()
140139
? string.Format("_{0}", module.Name)
141140
: module.Name);
142141

143-
var attributes = new Attributes();
144-
if (module.IsPreDeclared)
145-
{
146-
attributes.AddPredeclaredIdTypeAttribute();
147-
}
148-
if (module.IsAppObject)
149-
{
150-
attributes.AddGlobalClassAttribute();
151-
}
152-
153-
var declaration = CreateModuleDeclaration(module, moduleName, project, attributes);
142+
var declaration = CreateModuleDeclaration(module, moduleName, project, GetModuleAttributes(module));
154143
var moduleTree = new SerializableDeclarationTree(declaration);
155144
_declarations.Add(declaration);
156145
_serialized.AddDeclaration(moduleTree);
@@ -205,6 +194,24 @@ public List<Declaration> LoadDeclarationsFromLibrary()
205194
return _declarations;
206195
}
207196

197+
private static Attributes GetModuleAttributes(IComType module)
198+
{
199+
var attributes = new Attributes();
200+
if (module.IsPreDeclared)
201+
{
202+
attributes.AddPredeclaredIdTypeAttribute();
203+
}
204+
if (module.IsAppObject)
205+
{
206+
attributes.AddGlobalClassAttribute();
207+
}
208+
if (module as ComInterface != null && ((ComInterface)module).IsExtensible)
209+
{
210+
attributes.AddExtensibledClassAttribute();
211+
}
212+
return attributes;
213+
}
214+
208215
private void CreateMemberDeclarations(IEnumerable<ComMember> members, QualifiedModuleName moduleName, Declaration declaration,
209216
SerializableDeclarationTree moduleTree, ComMember defaultMember, bool eventHandlers = false)
210217
{
@@ -263,20 +270,7 @@ private Declaration CreateModuleDeclaration(IComType module, QualifiedModuleName
263270

264271
private Declaration CreateMemberDeclaration(ComMember member, QualifiedModuleName module, Declaration parent, bool handler)
265272
{
266-
var attributes = new Attributes();
267-
if (member.IsEnumerator)
268-
{
269-
attributes.AddEnumeratorMemberAttribute(member.Name);
270-
}
271-
else if (member.IsDefault)
272-
{
273-
attributes.AddDefaultMemberAttribute(member.Name);
274-
}
275-
else if (member.IsHidden)
276-
{
277-
attributes.AddHiddenMemberAttribute(member.Name);
278-
}
279-
273+
var attributes = GetMemberAttibutes(member);
280274
switch (member.Type)
281275
{
282276
case DeclarationType.Procedure:
@@ -293,5 +287,27 @@ private Declaration CreateMemberDeclaration(ComMember member, QualifiedModuleNam
293287
throw new InvalidEnumArgumentException(string.Format("Unexpected DeclarationType {0} encountered.", member.Type));
294288
}
295289
}
290+
291+
private static Attributes GetMemberAttibutes(ComMember member)
292+
{
293+
var attributes = new Attributes();
294+
if (member.IsEnumerator)
295+
{
296+
attributes.AddEnumeratorMemberAttribute(member.Name);
297+
}
298+
else if (member.IsDefault)
299+
{
300+
attributes.AddDefaultMemberAttribute(member.Name);
301+
}
302+
else if (member.IsHidden)
303+
{
304+
attributes.AddHiddenMemberAttribute(member.Name);
305+
}
306+
else if (member.IsEvaluateFunction)
307+
{
308+
attributes.AddEvaluateMemberAttribute(member.Name);
309+
}
310+
return attributes;
311+
}
296312
}
297313
}

‎Rubberduck.Parsing/Symbols/SerializableDeclaration.cs

Lines changed: 1 addition & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -176,12 +176,6 @@ public SerializableDeclaration(Declaration declaration)
176176
IsByRefParam = param.IsByRef;
177177
IsParamArray = param.IsParamArray;
178178
}
179-
180-
var canExtend = declaration as ClassModuleDeclaration;
181-
if (canExtend != null)
182-
{
183-
IsExtensible = canExtend.IsExtensible;
184-
}
185179
}
186180

187181
public List<SerializableMemberAttribute> Attributes { get; set; }
@@ -225,7 +219,7 @@ public Declaration Unwrap(Declaration parent)
225219
case DeclarationType.Project:
226220
return new ProjectDeclaration(QualifiedMemberName, IdentifierName, true, null);
227221
case DeclarationType.ClassModule:
228-
return new ClassModuleDeclaration(QualifiedMemberName, parent, IdentifierName, true, annotations, attributes) { IsExtensible = IsExtensible };
222+
return new ClassModuleDeclaration(QualifiedMemberName, parent, IdentifierName, true, annotations, attributes);
229223
case DeclarationType.ProceduralModule:
230224
return new ProceduralModuleDeclaration(QualifiedMemberName, parent, IdentifierName, true, annotations, attributes);
231225
case DeclarationType.Procedure:

‎Rubberduck.Parsing/VBA/Attributes.cs

Lines changed: 35 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -2,6 +2,18 @@
22

33
namespace Rubberduck.Parsing.VBA
44
{
5+
//Needed for VB6 support, although 1 and 2 are applicable to VBA. See 5.2.4.1.1 https://msdn.microsoft.com/en-us/library/ee177292.aspx
6+
//and 5.2.4.1.2 https://msdn.microsoft.com/en-us/library/ee199159.aspx
7+
public enum Instancing
8+
{
9+
Private = 1, //Not exposed via COM.
10+
PublicNotCreatable = 2, //TYPEFLAG_FCANCREATE not set.
11+
SingleUse = 3, //TYPEFLAGS.TYPEFLAG_FAPPOBJECT
12+
GlobalSingleUse = 4,
13+
MultiUse = 5,
14+
GlobalMultiUse = 6
15+
}
16+
517
/// <summary>
618
/// A dictionary storing values for a given attribute.
719
/// </summary>
@@ -30,16 +42,31 @@ public void AddEnumeratorMemberAttribute(string identifierName)
3042
Add(identifierName + ".VB_UserMemId", new[] {"-4"});
3143
}
3244

45+
/// <summary>
46+
/// Corresponds to DISPID_EVALUATE
47+
/// </summary>
48+
/// <param name="identifierName"></param>
49+
public void AddEvaluateMemberAttribute(string identifierName)
50+
{
51+
Add(identifierName + ".VB_UserMemId", new[] { "-5" });
52+
}
53+
3354
public void AddMemberDescriptionAttribute(string identifierName, string description)
3455
{
3556
Add(identifierName + ".VB_Description", new[] {description});
3657
}
3758

59+
/// <summary>
60+
/// Corresponds to TYPEFLAGS.TYPEFLAG_FPREDECLID
61+
/// </summary>
3862
public void AddPredeclaredIdTypeAttribute()
3963
{
4064
Add("VB_PredeclaredId", new[] {"True"});
4165
}
4266

67+
/// <summary>
68+
/// Corresponds to TYPEFLAG_FAPPOBJECT?
69+
/// </summary>
4370
public void AddGlobalClassAttribute()
4471
{
4572
Add("VB_GlobalNamespace", new[] {"True"});
@@ -49,5 +76,13 @@ public void AddExposedClassAttribute()
4976
{
5077
Add("VB_Exposed", new[] { "True" });
5178
}
79+
80+
/// <summary>
81+
/// Corresponds to *not* having the TYPEFLAG_FNONEXTENSIBLE flag set (which is the default for VBA).
82+
/// </summary>
83+
public void AddExtensibledClassAttribute()
84+
{
85+
Add("VB_Customizable", new[] { "True" });
86+
}
5287
}
5388
}

‎RubberduckTests/Inspections/MemberNotOnInterfaceInspectionTests.cs

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -17,6 +17,7 @@ public class MemberNotOnInterfaceInspectionTests
1717
{
1818
private static ParseCoordinator ArrangeParser(string inputCode)
1919
{
20+
Assert.Inconclusive("Pending re-serialization of Scripting.1.0.xml");
2021
var builder = new MockVbeBuilder();
2122
var project = builder.ProjectBuilder("VBAProject", ProjectProtection.Unprotected)
2223
.AddComponent("Codez", ComponentType.StandardModule, inputCode)
@@ -107,7 +108,7 @@ public void MemberNotOnInterface_ReturnsResult_UnDeclaredMemberOnParameter()
107108
[DeploymentItem(@"Testfiles\")]
108109
[TestCategory("Inspections")]
109110
public void MemberNotOnInterface_DoesNotReturnResult_DeclaredMember()
110-
{
111+
{
111112
const string inputCode =
112113
@"Sub Foo()
113114
Dim dict As Dictionary

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