add support for mvc and hero dynamic dependencies to understand the error type as a second output value as requested at: https://github.com/kataras/iris/issues/1187

Former-commit-id: 49e29c06aaaa22743354981342c29fc9d5953d0e

mvc/controller.go

@@ -398,6 +398,10 @@ func (c *ControllerActivator) handlerOf(m reflect.Method, funcDependencies []ref
 			in[0] = ctrl
 			funcInjector.Inject(&in, ctxValue)
 
+			if ctx.IsStopped() {
+				return // stop as soon as possible, although it would stop later on if `ctx.StopExecution` called.
+			}
+
 			// for idxx, inn := range in {
 			// 	println("controller.go: execution: in.Value = "+inn.String()+" and in.Type = "+inn.Type().Kind().String()+" of index: ", idxx)
 			// }

mvc/controller_test.go

@@ -272,11 +272,22 @@ type testControllerBindDeep struct {
 	testControllerBindStruct
 }
 
+func (t *testControllerBindDeep) BeforeActivation(b BeforeActivation) {
+	b.Dependencies().Add(func(ctx iris.Context) (v testCustomStruct, err error) {
+		err = ctx.ReadJSON(&v)
+		return
+	})
+}
+
 func (t *testControllerBindDeep) Get() {
 	// 	t.testControllerBindStruct.Get()
 	t.Ctx.Writef(t.TitlePointer.title + t.TitleValue.title + t.Other)
 }
 
+func (t *testControllerBindDeep) Post(v testCustomStruct) string {
+	return v.Name
+}
+
 func TestControllerDependencies(t *testing.T) {
 	app := iris.New()
 	// app.Logger().SetLevel("debug")
@@ -299,6 +310,12 @@ func TestControllerDependencies(t *testing.T) {
 
 	e.GET("/deep").Expect().Status(iris.StatusOK).
 		Body().Equal(expected)
+
+	e.POST("/deep").WithJSON(iris.Map{"name": "kataras"}).Expect().Status(iris.StatusOK).
+		Body().Equal("kataras")
+
+	e.POST("/deep").Expect().Status(iris.StatusBadRequest).
+		Body().Equal("unexpected end of JSON input")
 }
 
 type testCtrl0 struct {