Golang Universe.Get方法代码示例

func TestNameStrategy(t *testing.T) {
	u := types.Universe{}

	// Add some types.
	base := u.Get(types.Name{"foo/bar", "Baz"})
	base.Kind = types.Struct

	tmp := u.Get(types.Name{"", "[]bar.Baz"})
	tmp.Kind = types.Slice
	tmp.Elem = base

	tmp = u.Get(types.Name{"", "map[string]bar.Baz"})
	tmp.Kind = types.Map
	tmp.Key = types.String
	tmp.Elem = base

	tmp = u.Get(types.Name{"foo/other", "Baz"})
	tmp.Kind = types.Struct
	tmp.Members = []types.Member{{
		Embedded: true,
		Type:     base,
	}}

	u.Get(types.Name{"", "string"})

	o := Orderer{NewPublicNamer(0)}
	order := o.Order(u)
	orderedNames := make([]string, len(order))
	for i, t := range order {
		orderedNames[i] = o.Name(t)
	}
	expect := []string{"Baz", "Baz", "MapStringToBaz", "SliceBaz", "String"}
	if e, a := expect, orderedNames; !reflect.DeepEqual(e, a) {
		t.Errorf("Wanted %#v, got %#v", e, a)
	}

	o = Orderer{NewRawNamer(nil)}
	order = o.Order(u)
	orderedNames = make([]string, len(order))
	for i, t := range order {
		orderedNames[i] = o.Name(t)
	}

	expect = []string{"[]bar.Baz", "bar.Baz", "map[string]bar.Baz", "other.Baz", "string"}
	if e, a := expect, orderedNames; !reflect.DeepEqual(e, a) {
		t.Errorf("Wanted %#v, got %#v", e, a)
	}

	o = Orderer{NewPublicNamer(1)}
	order = o.Order(u)
	orderedNames = make([]string, len(order))
	for i, t := range order {
		orderedNames[i] = o.Name(t)
	}
	expect = []string{"BarBaz", "MapStringToBarBaz", "OtherBaz", "SliceBarBaz", "String"}
	if e, a := expect, orderedNames; !reflect.DeepEqual(e, a) {
		t.Errorf("Wanted %#v, got %#v", e, a)
	}
}

func (b *Builder) addFunc(u types.Universe, useName *types.Name, in *tc.Func) *types.Type {
	name := tcFuncNameToName(in.String())
	if useName != nil {
		name = *useName
	}
	out := u.Get(name)
	out.Kind = types.Func
	out.Signature = b.convertSignature(u, in.Type().(*tc.Signature))
	return out
}

// walkType adds the type, and any necessary child types.
func (b *Builder) walkType(u types.Universe, useName *types.Name, in tc.Type) *types.Type {
	// Most of the cases are underlying types of the named type.
	name := tcNameToName(in.String())
	if useName != nil {
		name = *useName
	}

	switch t := in.(type) {
	case *tc.Struct:
		out := u.Get(name)
		if out.Kind != types.Unknown {
			return out
		}
		out.Kind = types.Struct
		for i := 0; i < t.NumFields(); i++ {
			f := t.Field(i)
			m := types.Member{
				Name:         f.Name(),
				Embedded:     f.Anonymous(),
				Tags:         t.Tag(i),
				Type:         b.walkType(u, nil, f.Type()),
				CommentLines: b.priorCommentLines(f.Pos()),
			}
			out.Members = append(out.Members, m)
		}
		return out
	case *tc.Map:
		out := u.Get(name)
		if out.Kind != types.Unknown {
			return out
		}
		out.Kind = types.Map
		out.Elem = b.walkType(u, nil, t.Elem())
		out.Key = b.walkType(u, nil, t.Key())
		return out
	case *tc.Pointer:
		out := u.Get(name)
		if out.Kind != types.Unknown {
			return out
		}
		out.Kind = types.Pointer
		out.Elem = b.walkType(u, nil, t.Elem())
		return out
	case *tc.Slice:
		out := u.Get(name)
		if out.Kind != types.Unknown {
			return out
		}
		out.Kind = types.Slice
		out.Elem = b.walkType(u, nil, t.Elem())
		return out
	case *tc.Array:
		out := u.Get(name)
		if out.Kind != types.Unknown {
			return out
		}
		out.Kind = types.Array
		out.Elem = b.walkType(u, nil, t.Elem())
		// TODO: need to store array length, otherwise raw type name
		// cannot be properly written.
		return out
	case *tc.Chan:
		out := u.Get(name)
		if out.Kind != types.Unknown {
			return out
		}
		out.Kind = types.Chan
		out.Elem = b.walkType(u, nil, t.Elem())
		// TODO: need to store direction, otherwise raw type name
		// cannot be properly written.
		return out
	case *tc.Basic:
		out := u.Get(types.Name{
			Package: "",
			Name:    t.Name(),
		})
		if out.Kind != types.Unknown {
			return out
		}
		out.Kind = types.Unsupported
		return out
	case *tc.Signature:
		out := u.Get(name)
		if out.Kind != types.Unknown {
			return out
		}
		out.Kind = types.Func
		out.Signature = b.convertSignature(u, t)
		return out
	case *tc.Interface:
		out := u.Get(name)
		if out.Kind != types.Unknown {
			return out
		}
		out.Kind = types.Interface
		t.Complete()
		for i := 0; i < t.NumMethods(); i++ {
			out.Methods = append(out.Methods, b.walkType(u, nil, t.Method(i).Type()))
		}
//.........这里部分代码省略.........