Add some overloads in Hover and SignatureHelp.

Add demo code for SignatureHelp.

Author: CXuesong

DemoLanguageServer/Services/InitializaionService.cs

@@ -19,6 +19,7 @@ public InitializeResult Initialize(int processId, Uri rootUri, ClientCapabilitie
             return new InitializeResult(new ServerCapabilities
             {
                 HoverProvider = true,
+                SignatureHelpProvider = new SignatureHelpOptions("()"),
                 CompletionProvider = new CompletionOptions(true, "."),
                 TextDocumentSync = new TextDocumentSyncOptions
                 {

DemoLanguageServer/Services/TextDocumentService.cs

@@ -22,6 +22,16 @@ public async Task<Hover> Hover(TextDocumentIdentifier textDocument, Position pos
             return new Hover {Contents = "Test _hover_ @" + position + "\n\n" + textDocument};
         }
 
+        [JsonRpcMethod]
+        public SignatureHelp SignatureHelp(TextDocumentIdentifier textDocument, Position position)
+        {
+            return new SignatureHelp(new List<SignatureInformation>
+            {
+                new SignatureInformation("**Function1**", "Documentation1"),
+                new SignatureInformation("**Function2** <strong>test</strong>", "Documentation2"),
+            });
+        }
+
         [JsonRpcMethod(IsNotification = true)]
         public async Task DidOpen(TextDocumentItem textDocument)
         {

LanguageServer.VsCode/Contracts/Hover.cs

@@ -1,19 +1,40 @@
 
+using Newtonsoft.Json;
+
 namespace LanguageServer.VsCode.Contracts
 {
     /// <summary>
     /// Represents the result of a hover request - a formatted tooltip.
     /// </summary>
+    [JsonObject(MemberSerialization.OptIn)]
     public class Hover
     {
+        [JsonConstructor]
+        public Hover()
+        {
+            
+        }
+
+        public Hover(string contents) : this(contents, new Range())
+        {
+        }
+
+        public Hover(string contents, Range range)
+        {
+            Contents = contents;
+            Range = range;
+        }
+
         /// <summary>
         /// A Markdown string to display in the Hover.
         /// </summary>
+        [JsonProperty]
         public string Contents { get; set; }
 
         /// <summary>
         /// The range to which this Hover applies.
         /// </summary>
+        [JsonProperty]
         public Range Range { get; set; }
     }
 }

LanguageServer.VsCode/Contracts/SignatureHelp.cs

@@ -20,6 +20,10 @@ public SignatureHelp()
 
         }
 
+        public SignatureHelp(IList<SignatureInformation> signatures) : this(signatures, 0, 0)
+        {
+        }
+
         public SignatureHelp(IList<SignatureInformation> signatures, int activeSignature, int activeParameter)
         {
             Signatures = signatures;
@@ -73,6 +77,14 @@ public SignatureInformation()
 
         }
 
+        public SignatureInformation(string label) : this(label, null, null)
+        {
+        }
+
+        public SignatureInformation(string label, string documentation) : this(label, documentation, null)
+        {
+        }
+
         public SignatureInformation(string label, string documentation, IList<ParameterInformation> parameters)
         {
             Label = label;

LanguageServer.VsCode/LanguageServer.VsCode.csproj

@@ -5,7 +5,7 @@
     <PackageId>CXuesong.LanguageServer.VsCode</PackageId>
     <GeneratePackageOnBuild>True</GeneratePackageOnBuild>
     <Authors>CXuesong</Authors>
-    <Version>0.1.1-int1</Version>
+    <Version>0.1.1</Version>
     <Company />
     <Description>A .NET Language Server library for VSCode.</Description>
     <Copyright>Copyright 2017 CXuesong</Copyright>
@@ -15,8 +15,8 @@
     <RepositoryUrl>https://github.com/CXuesong/LanguageServer.NET</RepositoryUrl>
     <RepositoryType>git</RepositoryType>
     <PackageReleaseNotes>See https://github.com/CXuesong/LanguageServer.NET/releases .</PackageReleaseNotes>
-    <AssemblyVersion>0.1.1.1</AssemblyVersion>
-    <FileVersion>0.1.1.1</FileVersion>
+    <AssemblyVersion>0.1.1.2</AssemblyVersion>
+    <FileVersion>0.1.1.2</FileVersion>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">