From 3c50fc4447bcccd51193467aa1f823867c0a48f3 Mon Sep 17 00:00:00 2001
From: Daniel Grunwald <daniel@danielgrunwald.de>
Date: Fri, 15 Jul 2005 19:49:06 +0000
Subject: [PATCH] Fixed C# code completion when an expression had two meanings
 (eg. type and property: 'Size' in classes deriving from Form)

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@183 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61
---
 .../NRefactoryResolver/NRefactoryResolver.cs  | 21 ++++++---
 .../Base/Project/Src/Dom/ResolveResult.cs     | 31 +++++++++++++
 src/Main/Base/Test/NRefactoryResolverTests.cs | 45 +++++++++++++++++++
 3 files changed, 92 insertions(+), 5 deletions(-)

diff --git a/src/Main/Base/Project/Src/Dom/NRefactoryResolver/NRefactoryResolver.cs b/src/Main/Base/Project/Src/Dom/NRefactoryResolver/NRefactoryResolver.cs
index a011f0b734..689d84a708 100644
--- a/src/Main/Base/Project/Src/Dom/NRefactoryResolver/NRefactoryResolver.cs
+++ b/src/Main/Base/Project/Src/Dom/NRefactoryResolver/NRefactoryResolver.cs
@@ -329,6 +329,22 @@ namespace ICSharpCode.SharpDevelop.Dom.NRefactoryResolver
 			if (name != null && name != "") {
 				return new NamespaceResolveResult(callingClass, callingMember, name);
 			}
+			
+			ResolveResult result = ResolveIdentifierInternal(identifier);
+			ResolveResult result2 = null;
+			
+			IClass c = SearchType(identifier, callingClass, cu);
+			if (c != null) {
+				result2 = new TypeResolveResult(callingClass, callingMember, c.DefaultReturnType, c);
+			}
+			
+			if (result == null)  return result2;
+			if (result2 == null) return result;
+			return new MixedResolveResult(result, result2);
+		}
+		
+		ResolveResult ResolveIdentifierInternal(string identifier)
+		{
 			if (callingMember != null) { // LocalResolveResult requires callingMember to be set
 				LocalLookupVariable var = SearchVariable(identifier);
 				if (var != null) {
@@ -352,11 +368,6 @@ namespace ICSharpCode.SharpDevelop.Dom.NRefactoryResolver
 					return result;
 			}
 			
-			IClass c = SearchType(identifier, callingClass, cu);
-			if (c != null) {
-				return new TypeResolveResult(callingClass, callingMember, c.DefaultReturnType, c);
-			}
-			
 			// try if there exists a static member in outer classes named typeName
 			List<IClass> classes = cu.GetOuterClasses(caretLine, caretColumn);
 			foreach (IClass c2 in classes) {
diff --git a/src/Main/Base/Project/Src/Dom/ResolveResult.cs b/src/Main/Base/Project/Src/Dom/ResolveResult.cs
index ece034dce4..5c8cd79e21 100644
--- a/src/Main/Base/Project/Src/Dom/ResolveResult.cs
+++ b/src/Main/Base/Project/Src/Dom/ResolveResult.cs
@@ -107,6 +107,37 @@ namespace ICSharpCode.SharpDevelop.Dom
 	}
 	#endregion
 	
+	#region MixedResolveResult
+	/// <summary>
+	/// The MixedResolveResult is used when an expression can have multiple meanings, for example
+	/// "Size" in a class deriving from "Control".
+	/// </summary>
+	public class MixedResolveResult : ResolveResult
+	{
+		ResolveResult primaryResult, secondaryResult;
+		
+		public MixedResolveResult(ResolveResult primaryResult, ResolveResult secondaryResult)
+			: base(primaryResult.CallingClass, primaryResult.CallingMember, primaryResult.ResolvedType)
+		{
+			this.primaryResult = primaryResult;
+			this.secondaryResult = secondaryResult;
+		}
+		
+		public override ArrayList GetCompletionData(IProjectContent projectContent)
+		{
+			ArrayList result = primaryResult.GetCompletionData(projectContent);
+			ArrayList result2 = secondaryResult.GetCompletionData(projectContent);
+			if (result == null)  return result2;
+			if (result2 == null) return result;
+			foreach (object o in result2) {
+				if (!result.Contains(o))
+					result.Add(o);
+			}
+			return result;
+		}
+	}
+	#endregion
+	
 	#region LocalResolveResult
 	/// <summary>
 	/// The LocalResolveResult is used when an expression was a simple local variable
diff --git a/src/Main/Base/Test/NRefactoryResolverTests.cs b/src/Main/Base/Test/NRefactoryResolverTests.cs
index b973e9c528..32aea7dc03 100644
--- a/src/Main/Base/Test/NRefactoryResolverTests.cs
+++ b/src/Main/Base/Test/NRefactoryResolverTests.cs
@@ -207,6 +207,51 @@ End Module
 		#endregion
 		
 		#region Simple Tests
+		const string arrayListConflictProgram = @"using System.Collections;
+class A {
+	void Test() {
+		
+	}
+	
+	ArrayList arrayList;
+	public ArrayList ArrayList {
+		get {
+			return arrayList;
+		}
+	}
+}
+";
+		
+		[Test]
+		public void PropertyTypeConflictTest()
+		{
+			ResolveResult result = Resolve(arrayListConflictProgram, "arrayList", 4);
+			Assert.IsTrue(result is MemberResolveResult);
+			Assert.AreEqual("System.Collections.ArrayList", result.ResolvedType.FullyQualifiedName);
+		}
+		
+		[Test]
+		public void PropertyTypeConflictCompletionResultTest()
+		{
+			ResolveResult result = Resolve(arrayListConflictProgram, "ArrayList", 4);
+			// CC should offer both static and non-static results
+			ArrayList list = result.GetCompletionData(lastPC);
+			bool ok = false;
+			foreach (object o in list) {
+				IMethod method = o as IMethod;
+				if (method != null && method.Name == "AddRange")
+					ok = true;
+			}
+			Assert.IsTrue(ok, "AddRange should exist");
+			ok = false;
+			foreach (object o in list) {
+				IMethod method = o as IMethod;
+				if (method != null && method.Name == "Adapter")
+					ok = true;
+			}
+			Assert.IsTrue(ok, "Adapter should exist");
+		}
+		
 		[Test]
 		public void InheritedInterfaceResolveTest()
 		{