Add support for json deps file

src/Microsoft.Extensions.DependencyModel/DependencyContext.cs

@@ -15,13 +15,21 @@ namespace Microsoft.Extensions.DependencyModel
 
         private static readonly Lazy<DependencyContext> _defaultContext = new Lazy<DependencyContext>(LoadDefault);
 
-        public DependencyContext(string target, string runtime, CompilationOptions compilationOptions, CompilationLibrary[] compileLibraries, RuntimeLibrary[] runtimeLibraries)
+        public DependencyContext(string target,
+            string runtime,
+            bool isPortable,
+            CompilationOptions compilationOptions,
+            CompilationLibrary[] compileLibraries,
+            RuntimeLibrary[] runtimeLibraries,
+            IReadOnlyList<KeyValuePair<string, string[]>> runtimeGraph)
         {
             Target = target;
             Runtime = runtime;
+            IsPortable = isPortable;
             CompilationOptions = compilationOptions;
             CompileLibraries = compileLibraries;
             RuntimeLibraries = runtimeLibraries;
+            RuntimeGraph = runtimeGraph;
         }
 
         public static DependencyContext Default => _defaultContext.Value;
@@ -30,12 +38,16 @@ namespace Microsoft.Extensions.DependencyModel
 
         public string Runtime { get; }
 
+        public bool IsPortable { get; }
+
         public CompilationOptions CompilationOptions { get; }
 
         public IReadOnlyList<CompilationLibrary> CompileLibraries { get; }
 
         public IReadOnlyList<RuntimeLibrary> RuntimeLibraries { get; }
 
+        public IReadOnlyList<KeyValuePair<string, string[]>> RuntimeGraph { get; } 
+
         private static DependencyContext LoadDefault()
         {
             var entryAssembly = Assembly.GetEntryAssembly();

src/Microsoft.Extensions.DependencyModel/RuntimeLibrary.cs

@@ -8,12 +8,39 @@ namespace Microsoft.Extensions.DependencyModel
 {
     public class RuntimeLibrary : Library
     {
-        public RuntimeLibrary(string libraryType, string packageName, string version, string hash, string[] assemblies, Dependency[] dependencies, bool serviceable)
+        public RuntimeLibrary(
+            string libraryType,
+            string packageName,
+            string version,
+            string hash,
+            string[] assemblies,
+            RuntimeTarget[] subTargets,
+            Dependency[] dependencies,
+            bool serviceable)
             : base(libraryType, packageName, version, hash, dependencies, serviceable)
         {
             Assemblies = assemblies.Select(path => new RuntimeAssembly(path)).ToArray();
+            SubTargets = subTargets;
         }
 
         public IReadOnlyList<RuntimeAssembly> Assemblies { get; }
+
+        public IReadOnlyList<RuntimeTarget> SubTargets { get; }
+    }
+
+    public class RuntimeTarget
+    {
+        public RuntimeTarget(string runtime, IReadOnlyList<RuntimeAssembly> assemblies, IReadOnlyList<string> nativeLibraries)
+        {
+            Runtime = runtime;
+            Assemblies = assemblies;
+            NativeLibraries = nativeLibraries;
+        }
+
+        public string Runtime { get; }
+
+        public IReadOnlyList<RuntimeAssembly> Assemblies { get; }
+
+        public IReadOnlyList<string> NativeLibraries { get; }
     }
 }