func (p *importer) obj(pkg *types.Package) {
var obj types.Object
switch tag := p.int(); tag {
case constTag:
obj = types.NewConst(token.NoPos, pkg, p.string(), p.typ(), p.value())
case typeTag:
// type object is added to scope via respective named type
_ = p.typ().(*types.Named)
return
case varTag:
obj = types.NewVar(token.NoPos, pkg, p.string(), p.typ())
case funcTag:
obj = types.NewFunc(token.NoPos, pkg, p.string(), p.typ().(*types.Signature))
default:
panic(fmt.Sprintf("unexpected object tag %d", tag))
}
if alt := pkg.Scope().Insert(obj); alt != nil {
panic(fmt.Sprintf("%s already declared", alt.Name()))
}
}
// Parameter = ( identifier | "?" ) [ "..." ] Type [ string_lit ] .
//
func (p *parser) parseParameter() (par *types.Var, isVariadic bool) {
_, name := p.parseName(false)
// remove gc-specific parameter numbering
if i := strings.Index(name, "ยท"); i >= 0 {
name = name[:i]
}
if p.tok == '.' {
p.expectSpecial("...")
isVariadic = true
}
typ := p.parseType()
if isVariadic {
typ = types.NewSlice(typ)
}
// ignore argument tag (e.g. "noescape")
if p.tok == scanner.String {
p.next()
}
// TODO(gri) should we provide a package?
par = types.NewVar(token.NoPos, nil, name, typ)
return
}
// VarDecl = "var" ExportedName Type .
//
func (p *parser) parseVarDecl() {
p.expectKeyword("var")
pkg, name := p.parseExportedName()
typ := p.parseType()
pkg.Scope().Insert(types.NewVar(token.NoPos, pkg, name, typ))
}
func (p *importer) param() *types.Var {
return types.NewVar(token.NoPos, nil, p.string(), p.typ())
}
// Var = Name Type .
func (p *parser) parseVar(pkg *types.Package) *types.Var {
name := p.parseName()
return types.NewVar(token.NoPos, pkg, name, p.parseType(pkg))
}