func (g *Grapher) assignMethodPaths(named *types.Named, prefix []string, pkgscope bool) {
for i := 0; i < named.NumMethods(); i++ {
m := named.Method(i)
path := append(append([]string{}, prefix...), m.Name())
g.paths[m] = path
g.exported[m] = ast.IsExported(m.Name())
g.pkgscope[m] = pkgscope
if s := m.Scope(); s != nil {
g.assignPaths(s, path, false)
}
}
if iface, ok := named.Underlying().(*types.Interface); ok {
for i := 0; i < iface.NumExplicitMethods(); i++ {
m := iface.Method(i)
path := append(append([]string{}, prefix...), m.Name())
g.paths[m] = path
g.exported[m] = ast.IsExported(m.Name())
g.pkgscope[m] = pkgscope
if s := m.Scope(); s != nil {
g.assignPaths(s, path, false)
}
}
}
}
func (w *PkgWalker) lookupNamedMethod(named *types.Named, name string) (types.Object, *types.Named) {
if iface, ok := named.Underlying().(*types.Interface); ok {
for i := 0; i < iface.NumMethods(); i++ {
fn := iface.Method(i)
if fn.Name() == name {
return fn, named
}
}
for i := 0; i < iface.NumEmbeddeds(); i++ {
if obj, na := w.lookupNamedMethod(iface.Embedded(i), name); obj != nil {
return obj, na
}
}
return nil, nil
}
if istruct, ok := named.Underlying().(*types.Struct); ok {
for i := 0; i < named.NumMethods(); i++ {
fn := named.Method(i)
if fn.Name() == name {
return fn, named
}
}
for i := 0; i < istruct.NumFields(); i++ {
field := istruct.Field(i)
if !field.Anonymous() {
continue
}
if typ, ok := field.Type().(*types.Named); ok {
if obj, na := w.lookupNamedMethod(typ, name); obj != nil {
return obj, na
}
}
}
}
return nil, nil
}
// Type definitions are only carried through to Haxe to allow access to objects as if they were native Haxe classes.
// TODO consider renaming
func (l langType) TypeStart(nt *types.Named, err string) string {
typName := "GoType" + l.LangName("", nt.String())
hxTyp := l.LangType(nt.Obj().Type(), false, nt.String())
ret := ""
switch hxTyp {
case "Object":
ret += "class " + typName
ret += " extends " + hxTyp + " {\n"
default:
ret += "abstract " + typName + "(" + hxTyp + ") from " + hxTyp + " to " + hxTyp + " {\n"
}
switch nt.Underlying().(type) {
case *types.Struct:
str := nt.Underlying().(*types.Struct)
ret += "inline public function new(){ super new(" + strconv.Itoa(int(haxeStdSizes.Sizeof(nt.Obj().Type()))) + "); }\n"
flds := []string{}
for f := 0; f < str.NumFields(); f++ {
fName := str.Field(f).Name()
if len(fName) > 0 {
if unicode.IsUpper(rune(fName[0])) {
flds = append(flds, fName)
}
}
}
sort.Strings(flds) // make sure the fields are always in the same order in the file
for _, fName := range flds {
for f := 0; f < str.NumFields(); f++ {
if fName == str.Field(f).Name() {
haxeTyp := l.LangType(str.Field(f).Type(), false, nt.String())
fOff := fieldOffset(str, f)
sfx := loadStoreSuffix(str.Field(f).Type(), true)
ret += fmt.Sprintf("public var _%s(get,set):%s;\n", fName, haxeTyp)
ret += fmt.Sprintf("function get__%s():%s { return get%s%d); }\n",
fName, haxeTyp, sfx, fOff)
ret += fmt.Sprintf("function set__%s(v:%s):%s { return set%s%d,v); }\n",
fName, haxeTyp, haxeTyp, sfx, fOff)
break
}
}
}
case *types.Array:
ret += "inline public function new(){ super new(" + strconv.Itoa(int(haxeStdSizes.Sizeof(nt.Obj().Type()))) + "); }\n"
default: // TODO not yet sure how to handle named types that are not structs
ret += "inline public function new(v:" + hxTyp + ") { this = v; }\n"
}
meths := []string{}
for m := 0; m < nt.NumMethods(); m++ {
mName := nt.Method(m).Name()
if len(mName) > 0 {
if unicode.IsUpper(rune(mName[0])) {
meths = append(meths, mName)
}
}
}
sort.Strings(meths) // make sure the methods always appear in the same order in the file
for _, mName := range meths {
for m := 0; m < nt.NumMethods(); m++ {
meth := nt.Method(m)
if mName == meth.Name() {
sig := meth.Type().(*types.Signature)
ret += "// " + mName + " " + sig.String() + "\n"
ret += "public function _" + mName + "("
for p := 0; p < sig.Params().Len(); p++ {
if p > 0 {
ret += ","
}
ret += "_" + sig.Params().At(p).Name() + ":" + l.LangType(sig.Params().At(p).Type(), false, nt.String())
}
ret += ")"
switch sig.Results().Len() {
case 0:
ret += ":Void "
case 1:
ret += ":" + l.LangType(sig.Results().At(0).Type(), false, nt.String())
default:
ret += ":{"
for r := 0; r < sig.Results().Len(); r++ {
if r > 0 {
ret += ","
}
ret += fmt.Sprintf("r%d:%s", r, l.LangType(sig.Results().At(r).Type(), false, nt.String()))
}
ret += "}"
}
ret += "{\n\t"
if sig.Results().Len() > 0 {
ret += "return "
}
fnToCall := l.LangName(
nt.Obj().Pkg().Name()+":"+sig.Recv().Type().String(),
meth.Name())
ret += `Go_` + fnToCall + `.hx(this`
for p := 0; p < sig.Params().Len(); p++ {
ret += ", _" + sig.Params().At(p).Name()
}
ret += ");\n}\n"
}
}
}
l.PogoComp().WriteAsClass(typName, ret+"}\n")
return "" //ret
}
