Fixes #6: Support marshallers for unexported types.

bootstrap/bootstrap.go

@@ -56,13 +56,16 @@ func (g *Generator) writeStub() error {
 	fmt.Fprintln(f, ")")
 
 	for _, t := range g.Types {
+		fmt.Fprintln(f)
 		if !g.NoStdMarshalers {
 			fmt.Fprintln(f, "func (*", t, ") MarshalJSON() ([]byte, error) { return nil, nil }")
 			fmt.Fprintln(f, "func (*", t, ") UnmarshalJSON([]byte) error { return nil }")
 		}
 
 		fmt.Fprintln(f, "func (*", t, ") MarshalEasyJSON(w *jwriter.Writer) {}")
 		fmt.Fprintln(f, "func (*", t, ") UnmarshalEasyJSON(l *jlexer.Lexer) {}")
+		fmt.Fprintln(f)
+		fmt.Fprintln(f, "type EasyJSON_exporter_"+t+" *"+t)
 	}
 	return nil
 }
@@ -104,7 +107,7 @@ func (g *Generator) writeMain() (path string, err error) {
 		fmt.Fprintln(f, "  g.NoStdMarshalers()")
 	}
 	for _, v := range g.Types {
-		fmt.Fprintln(f, "  g.Add(pkg."+v+"{})")
+		fmt.Fprintln(f, "  g.Add(pkg.EasyJSON_exporter_"+v+"(nil))")
 	}
 
 	fmt.Fprintln(f, "  if err := g.Run(os.Stdout); err != nil {")

gen/generator.go

@@ -112,8 +112,12 @@ func (g *Generator) addType(t reflect.Type) {
 
 // Add requests to generate (un-)marshallers and en-/decoding functions for the type of given object.
 func (g *Generator) Add(obj interface{}) {
-	g.addType(reflect.TypeOf(obj))
-	g.marshallers[reflect.TypeOf(obj)] = true
+	t := reflect.TypeOf(obj)
+	if t.Kind() == reflect.Ptr {
+		t = t.Elem()
+	}
+	g.addType(t)
+	g.marshallers[t] = true
 }
 
 // printHeader prints package declaration and imports.

tests/basic_test.go

@@ -26,6 +26,7 @@ var testCases = []struct {
 	{&optsValue, optsString},
 	{&rawValue, rawString},
 	{&stdMarshalerValue, stdMarshalerString},
+	{&unexportedStructValue, unexportedStructString},
 }
 
 func TestMarshal(t *testing.T) {

tests/data.go

@@ -313,3 +313,10 @@ type StdMarshaler struct {
 
 var stdMarshalerValue = StdMarshaler{T: time.Date(2016, 01, 02, 14, 15, 10, 0, time.UTC)}
 var stdMarshalerString = `{"T":"2016-01-02T14:15:10Z"}`
+
+type unexportedStruct struct {
+	Value string
+}
+
+var unexportedStructValue = unexportedStruct{"test"}
+var unexportedStructString = `{"Value":"test"}`