Partially implemented Imports for XML Namespaces. See remarks in VBNET.ATG for details.

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/branches/vbnet@5826 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/Libraries/NRefactory/NRefactoryASTGenerator/AST/GlobalLevel.cs

@@ -65,21 +65,28 @@ namespace NRefactoryASTGenerator.Ast
 	}
 	
 	[IncludeBoolProperty("IsAlias", "return !alias.IsNull;")]
+	[IncludeBoolProperty("IsXml", "return xmlPrefix != null;")]
 	class Using : AbstractNode
 	{
 		[QuestionMarkDefault]
 		string name;
 		TypeReference alias;
+		string xmlPrefix;
 		
 		public Using(string name) {}
 		public Using(string name, TypeReference alias) {}
+		public Using(string name, string xmlPrefix) {}
 	}
 	
-	[IncludeMember("public UsingDeclaration(string @namespace) : this(@namespace, null) {}")]
+	[IncludeMember("public UsingDeclaration(string @namespace) : this(@namespace, TypeReference.Null) {}")]
 	[IncludeMember("public UsingDeclaration(string @namespace, TypeReference alias) {" +
 	               " usings = new List<Using>(1);" +
 	               " usings.Add(new Using(@namespace, alias)); " +
 	               "}")]
+	[IncludeMember("public UsingDeclaration(string xmlNamespace, string prefix) {" +
+	               " usings = new List<Using>(1);" +
+	               " usings.Add(new Using(xmlNamespace, prefix)); " +
+	               "}")]
 	class UsingDeclaration : AbstractNode
 	{
 		List<Using> usings;

src/Libraries/NRefactory/Project/Src/Ast/Generated.cs

@@ -1665,15 +1665,15 @@ namespace ICSharpCode.NRefactory.Ast {
 			initializer = Expression.Null;
 		}
 		
-		public bool HasAddRegion {
+		public bool HasRemoveRegion {
 			get {
-				return !addRegion.IsNull;
+				return !removeRegion.IsNull;
 			}
 		}
 		
-		public bool HasRemoveRegion {
+		public bool HasAddRegion {
 			get {
-				return !removeRegion.IsNull;
+				return !addRegion.IsNull;
 			}
 		}
 		
@@ -3403,15 +3403,15 @@ public Location ExtendedEndLocation { get; set; }
 			initializer = Expression.Null;
 		}
 		
-		public bool HasGetRegion {
+		public bool HasSetRegion {
 			get {
-				return !getRegion.IsNull;
+				return !setRegion.IsNull;
 			}
 		}
 		
-		public bool HasSetRegion {
+		public bool HasGetRegion {
 			get {
-				return !setRegion.IsNull;
+				return !getRegion.IsNull;
 			}
 		}
 		
@@ -5195,6 +5195,8 @@ public Location ExtendedEndLocation { get; set; }
 		
 		TypeReference alias;
 		
+		string xmlPrefix;
+		
 		public string Name {
 			get {
 				return name;
@@ -5214,14 +5216,31 @@ public Location ExtendedEndLocation { get; set; }
 			}
 		}
 		
+		public string XmlPrefix {
+			get {
+				return xmlPrefix;
+			}
+			set {
+				xmlPrefix = value ?? "";
+			}
+		}
+		
 		public Using(string name) {
 			Name = name;
 			alias = TypeReference.Null;
+			xmlPrefix = "";
 		}
 		
 		public Using(string name, TypeReference alias) {
 			Name = name;
 			Alias = alias;
+			xmlPrefix = "";
+		}
+		
+		public Using(string name, string xmlPrefix) {
+			Name = name;
+			XmlPrefix = xmlPrefix;
+			alias = TypeReference.Null;
 		}
 		
 		public bool IsAlias {
@@ -5230,12 +5249,18 @@ public Location ExtendedEndLocation { get; set; }
 			}
 		}
 		
+		public bool IsXml {
+			get {
+				return xmlPrefix != null;
+			}
+		}
+		
 		public override object AcceptVisitor(IAstVisitor visitor, object data) {
 			return visitor.VisitUsing(this, data);
 		}
 		
 		public override string ToString() {
-			return string.Format("[Using Name={0} Alias={1}]", Name, Alias);
+			return string.Format("[Using Name={0} Alias={1} XmlPrefix={2}]", Name, Alias, XmlPrefix);
 		}
 	}
 	
@@ -5256,10 +5281,12 @@ public Location ExtendedEndLocation { get; set; }
 			Usings = usings;
 		}
 		
-public UsingDeclaration(string @namespace) : this(@namespace, null) {}
+public UsingDeclaration(string @namespace) : this(@namespace, TypeReference.Null) {}
 		
 public UsingDeclaration(string @namespace, TypeReference alias) { usings = new List<Using>(1); usings.Add(new Using(@namespace, alias)); }
 		
+public UsingDeclaration(string xmlNamespace, string prefix) { usings = new List<Using>(1); usings.Add(new Using(xmlNamespace, prefix)); }
+		
 		public override object AcceptVisitor(IAstVisitor visitor, object data) {
 			return visitor.VisitUsingDeclaration(this, data);
 		}

src/Libraries/NRefactory/Project/Src/Parser/VBNet/VBNET.ATG

@@ -322,6 +322,7 @@ ImportClause<out Using u>
 		TypeReference aliasedType = null;
 		u = null;
 	.) =
+	(
 		Qualident<out qualident>
 		[ "=" TypeName<out aliasedType> ]
 		(.
@@ -333,6 +334,9 @@ ImportClause<out Using u>
 				}
 			}
 		.)
+	) | ( (. string prefix = null; .)
+		"<" Identifier /* TODO this is "xmlns" */ [ ":" Identifier (. prefix = t.val; .)  ] "=" LiteralString /* TODO support single-quote xml strings */ (. u = new Using(t.literalValue as string, prefix); .) ">"
+	)
 	.
 
 /* 6.4.2 */

src/Libraries/NRefactory/Test/Parser/GlobalScope/UsingDeclarationTests.cs

@@ -158,6 +158,48 @@ namespace ICSharpCode.NRefactory.Tests.Ast
 			Assert.AreEqual("", parser.Errors.ErrorOutput);
 			// TODO : Extend test ...
 		}
+		
+		[Test]
+		public void VBNetXmlNamespaceUsingTest()
+		{
+			string program = "Imports <xmlns=\"http://icsharpcode.net/sharpdevelop/avalonedit\">";
+			IParser parser = ParserFactory.CreateParser(SupportedLanguage.VBNet, new StringReader(program));
+			parser.Parse();
+			
+			Assert.AreEqual("", parser.Errors.ErrorOutput);
+			CompilationUnit unit = parser.CompilationUnit;
+			
+			Assert.AreEqual(1, unit.Children.Count);
+			Assert.IsTrue(unit.Children[0] is UsingDeclaration);
+			UsingDeclaration ud = (UsingDeclaration)unit.Children[0];
+			Assert.AreEqual(1, ud.Usings.Count);
+			Assert.IsFalse(ud.Usings[0].IsAlias);
+			Assert.IsTrue(ud.Usings[0].IsXml);
+			
+			Assert.AreEqual("", ud.Usings[0].XmlPrefix);
+			Assert.AreEqual("http://icsharpcode.net/sharpdevelop/avalonedit", ud.Usings[0].Name);
+		}
+		
+		[Test]
+		public void VBNetXmlNamespaceWithPrefixUsingTest()
+		{
+			string program = "Imports <xmlns:avalonedit=\"http://icsharpcode.net/sharpdevelop/avalonedit\">";
+			IParser parser = ParserFactory.CreateParser(SupportedLanguage.VBNet, new StringReader(program));
+			parser.Parse();
+			
+			Assert.AreEqual("", parser.Errors.ErrorOutput);
+			CompilationUnit unit = parser.CompilationUnit;
+			
+			Assert.AreEqual(1, unit.Children.Count);
+			Assert.IsTrue(unit.Children[0] is UsingDeclaration);
+			UsingDeclaration ud = (UsingDeclaration)unit.Children[0];
+			Assert.AreEqual(1, ud.Usings.Count);
+			Assert.IsFalse(ud.Usings[0].IsAlias);
+			Assert.IsTrue(ud.Usings[0].IsXml);
+			
+			Assert.AreEqual("avalonedit", ud.Usings[0].XmlPrefix);
+			Assert.AreEqual("http://icsharpcode.net/sharpdevelop/avalonedit", ud.Usings[0].Name);
+		}
 		#endregion
 	}
 }