Ejemplo n.º 1
0
func (c *funcContext) loadStruct(array, target string, s *types.Struct) string {
	view := c.newVariable("_view")
	code := fmt.Sprintf("%s = new DataView(%s.buffer, %s.byteOffset)", view, array, array)
	var fields []*types.Var
	var collectFields func(s *types.Struct, path string)
	collectFields = func(s *types.Struct, path string) {
		for i := 0; i < s.NumFields(); i++ {
			field := s.Field(i)
			if fs, isStruct := field.Type().Underlying().(*types.Struct); isStruct {
				collectFields(fs, path+"."+fieldName(s, i))
				continue
			}
			fields = append(fields, types.NewVar(0, nil, path+"."+fieldName(s, i), field.Type()))
		}
	}
	collectFields(s, target)
	offsets := sizes32.Offsetsof(fields)
	for i, field := range fields {
		switch t := field.Type().Underlying().(type) {
		case *types.Basic:
			if isNumeric(t) {
				if is64Bit(t) {
					code += fmt.Sprintf(", %s = new %s(%s.getUint32(%d, true), %s.getUint32(%d, true))", field.Name(), c.typeName(field.Type()), view, offsets[i]+4, view, offsets[i])
					break
				}
				code += fmt.Sprintf(", %s = %s.get%s(%d, true)", field.Name(), view, toJavaScriptType(t), offsets[i])
			}
		case *types.Array:
			code += fmt.Sprintf(`, %s = new ($nativeArray(%s))(%s.buffer, $min(%s.byteOffset + %d, %s.buffer.byteLength))`, field.Name(), typeKind(t.Elem()), array, array, offsets[i], array)
		}
	}
	return code
}
Ejemplo n.º 2
0
func findClass(typ types.Type) (class Class) {
	named, ok := typ.(*types.Named)
	if !ok {
		return Uninterested
	}

	var struc *types.Struct
	if struc, ok = named.Underlying().(*types.Struct); !ok {
		return Uninterested
	}

	for i := 0; i < struc.NumFields(); i++ {
		f := struc.Field(i)
		switch {
		case !f.Anonymous():
			continue
		case f.Name() == "Base":
			return ModelStruct
		case f.Name() == "List":
			return ListStruct
		}
	}

	return Uninterested
}
Ejemplo n.º 3
0
// matchStructArgType reports whether all the elements of the struct match the expected
// type. For instance, with "%d" all the elements must be printable with the "%d" format.
func (f *File) matchStructArgType(t printfArgType, typ *types.Struct, arg ast.Expr, inProgress map[types.Type]bool) bool {
	for i := 0; i < typ.NumFields(); i++ {
		if !f.matchArgTypeInternal(t, typ.Field(i).Type(), arg, inProgress) {
			return false
		}
	}
	return true
}
Ejemplo n.º 4
0
func exportedFields(T *types.Struct) []*types.Var {
	var fields []*types.Var
	for i := 0; i < T.NumFields(); i++ {
		f := T.Field(i)
		if !f.Exported() {
			continue
		}
		fields = append(fields, f)
	}
	return fields
}
Ejemplo n.º 5
0
func optimalSize(str *types.Struct, sizes *gcSizes) int64 {
	nf := str.NumFields()
	fields := make([]*types.Var, nf)
	alignofs := make([]int64, nf)
	sizeofs := make([]int64, nf)
	for i := 0; i < nf; i++ {
		fields[i] = str.Field(i)
		ft := fields[i].Type()
		alignofs[i] = sizes.Alignof(ft)
		sizeofs[i] = sizes.Sizeof(ft)
	}
	sort.Sort(&byAlignAndSize{fields, alignofs, sizeofs})
	return sizes.Sizeof(types.NewStruct(fields, nil))
}
Ejemplo n.º 6
0
func (w *Walker) emitStructType(name string, typ *types.Struct) {
	typeStruct := fmt.Sprintf("type %s struct", name)
	w.emitf(typeStruct)
	defer w.pushScope(typeStruct)()

	for i := 0; i < typ.NumFields(); i++ {
		f := typ.Field(i)
		if !f.Exported() {
			continue
		}
		typ := f.Type()
		if f.Anonymous() {
			w.emitf("embedded %s", w.typeString(typ))
			continue
		}
		w.emitf("%s %s", f.Name(), w.typeString(typ))
	}
}
Ejemplo n.º 7
0
// embeddedObjcTypes returns the possible empty list of Objc types embedded
// in the given struct type.
func embeddedObjcTypes(t *types.Struct) []string {
	typeSet := make(map[string]struct{})
	var typs []string
	for i := 0; i < t.NumFields(); i++ {
		f := t.Field(i)
		if !f.Exported() {
			continue
		}
		if ft := f.Type(); isObjcType(ft) {
			name := ft.(*types.Named).Obj().Name()
			if _, exists := typeSet[name]; !exists {
				typeSet[name] = struct{}{}
				typs = append(typs, name)
			}
		}
	}
	return typs
}
Ejemplo n.º 8
0
// embeddedJavaClasses returns the possible empty list of Java types embedded
// in the given struct type.
func embeddedJavaClasses(t *types.Struct) []string {
	clsSet := make(map[string]struct{})
	var classes []string
	for i := 0; i < t.NumFields(); i++ {
		f := t.Field(i)
		if !f.Exported() {
			continue
		}
		if t := f.Type(); isJavaType(t) {
			cls := classNameFor(t)
			if _, exists := clsSet[cls]; !exists {
				clsSet[cls] = struct{}{}
				classes = append(classes, cls)
			}
		}
	}
	return classes
}
Ejemplo n.º 9
0
func collectFields(fields map[string]string, struc *types.Struct) {
	// TODO:
	for i := 0; i < struc.NumFields(); i++ {
		f, tag := struc.Field(i), struc.Tag(i)

		switch {
		case f.Anonymous():
			if named, ok := f.Type().(*types.Named); ok {
				if struc_, ok := named.Underlying().(*types.Struct); ok {
					collectFields(fields, struc_)
				}
			}

		case strings.Contains(tag, `pretty:""`):
			fields[f.Name()] = inflect.Underscore(f.Name())
		}
	}
}
Ejemplo n.º 10
0
func collectFields(struc *types.Struct) []string {
	result := []string{}

	for i := 0; i < struc.NumFields(); i++ {
		f, tag := struc.Field(i), struc.Tag(i)

		switch {
		case f.Anonymous():
			if named, ok := f.Type().(*types.Named); ok {
				if struc_, ok := named.Underlying().(*types.Struct); ok {
					result = append(result, collectFields(struc_)...)
				}
			}

		case strings.Contains(tag, `pretty:""`):
			result = append(result, f.Name())
		}
	}

	return result
}
Ejemplo n.º 11
0
func findClass(typ types.Type) (class Class) {
	named, ok := typ.(*types.Named)
	if !ok {
		return Uninterested
	}

	name := named.Obj().Name()
	switch name {
	case "List", "Base":
		return Uninterested
	}

	for i := 0; i < named.NumMethods(); i++ {
		m := named.Method(i)
		if m.Name() == "Op" {
			return OperationStruct
		}
	}

	var struc *types.Struct
	if struc, ok = named.Underlying().(*types.Struct); !ok {
		return Uninterested
	}

	for i := 0; i < struc.NumFields(); i++ {
		f := struc.Field(i)
		switch {
		case !f.Anonymous():
			continue
		case f.Name() == "Base":
			return ModelStruct
		case f.Name() == "List":
			return ListStruct
		}
	}

	return Uninterested
}
Ejemplo n.º 12
0
func (p *exporter) fieldList(t *types.Struct) {
	if trace && t.NumFields() > 0 {
		p.tracef("fields {>\n")
		defer p.tracef("<\n} ")
	}

	p.int(t.NumFields())
	for i := 0; i < t.NumFields(); i++ {
		if trace && i > 0 {
			p.tracef("\n")
		}
		p.field(t.Field(i))
		p.string(t.Tag(i))
	}
}
Ejemplo n.º 13
0
func (c *converter) convertStruct(v *gotypes.Struct) *types.Struct {
	if v == nil {
		return nil
	}
	if v, ok := c.converted[v]; ok {
		return v.(*types.Struct)
	}
	fields := make([]*types.Var, 0, v.NumFields())
	tags := make([]string, 0, v.NumFields())
	for i := 0; i < v.NumFields(); i++ {
		fields = append(fields, c.convertVar(v.Field(i)))
		tags = append(tags, v.Tag(i))
	}
	ret := types.NewStruct(fields, tags)
	c.converted[v] = ret
	return ret
}