func (p *exporter) obj(obj types.Object) {
if trace {
p.tracef("object %s {\n", obj.Name())
defer p.tracef("}\n")
}
switch obj := obj.(type) {
case *types.Const:
p.int(constTag)
p.string(obj.Name())
p.typ(obj.Type())
p.value(obj.Val())
case *types.TypeName:
p.int(typeTag)
// name is written by corresponding named type
p.typ(obj.Type().(*types.Named))
case *types.Var:
p.int(varTag)
p.string(obj.Name())
p.typ(obj.Type())
case *types.Func:
p.int(funcTag)
p.string(obj.Name())
p.typ(obj.Type())
default:
panic(fmt.Sprintf("unexpected object type %T", obj))
}
}
// memberFromObject populates package pkg with a member for the
// typechecker object obj.
//
// For objects from Go source code, syntax is the associated syntax
// tree (for funcs and vars only); it will be used during the build
// phase.
//
func memberFromObject(pkg *Package, obj types.Object, syntax ast.Node) {
name := obj.Name()
switch obj := obj.(type) {
case *types.TypeName:
pkg.Members[name] = &Type{
object: obj,
pkg: pkg,
}
case *types.Const:
c := &NamedConst{
object: obj,
Value: NewConst(obj.Val(), obj.Type()),
pkg: pkg,
}
pkg.values[obj] = c.Value
pkg.Members[name] = c
case *types.Var:
g := &Global{
Pkg: pkg,
name: name,
object: obj,
typ: types.NewPointer(obj.Type()), // address
pos: obj.Pos(),
}
pkg.values[obj] = g
pkg.Members[name] = g
case *types.Func:
sig := obj.Type().(*types.Signature)
if sig.Recv() == nil && name == "init" {
pkg.ninit++
name = fmt.Sprintf("init#%d", pkg.ninit)
}
fn := &Function{
name: name,
object: obj,
Signature: sig,
syntax: syntax,
pos: obj.Pos(),
Pkg: pkg,
Prog: pkg.Prog,
}
if syntax == nil {
fn.Synthetic = "loaded from gc object file"
}
pkg.values[obj] = fn
if sig.Recv() == nil {
pkg.Members[name] = fn // package-level function
}
default: // (incl. *types.Package)
panic("unexpected Object type: " + obj.String())
}
}