imports[path] = pkg
	}
	return pkg, nil
}

// lookupSym reports whether the package has a given symbol or method.
//
// If recv == "", HasSym reports whether the package has a top-level
// const, func, type, or var named name.
//
// If recv != "", HasSym reports whether the package has a type
// named recv with a method named name.
func (p *Package) lookupSym(recv, name string) bool {
	if recv != "" {

	d := &parseDoc{
		Parser:    p,
		Doc:       new(Doc),
		links:     make(map[string]*LinkDef),
		lines:     lines,
		lookupSym: func(recv, name string) bool { return false },
	}
	if p.LookupSym != nil {
		d.lookupSym = p.LookupSym
	}

	// First pass: break into block structure and collect known links.
	// The text is all recorded as Plain for now.
	var prev span

		pc := f.LineTable.LineToPC(abs, f.End)
		if pc != 0 {
			return pc, f, nil
		}
	}
	return 0, nil, &UnknownLineError{file, line}
}

// LookupSym returns the text, data, or bss symbol with the given name,
// or nil if no such symbol is found.
func (t *Table) LookupSym(name string) *Sym {
	// TODO(austin) Maybe make a map
	for i := range t.Syms {
		s := &t.Syms[i]
		switch s.Type {

pkg go/doc/comment, type Parser struct #51082
pkg go/doc/comment, type Parser struct, LookupPackage func(string) (string, bool) #51082
pkg go/doc/comment, type Parser struct, LookupSym func(string, string) bool #51082
pkg go/doc/comment, type Parser struct, Words map[string]string #51082
pkg go/doc/comment, type Plain string #51082
pkg go/doc/comment, type Printer struct #51082

)

func AssignConv(n ir.Node, t *types.Type, context string) ir.Node {
	return assignconvfn(n, t, func() string { return context })
}

// LookupNum returns types.LocalPkg.LookupNum(prefix, n).
func LookupNum(prefix string, n int) *types.Sym {
	return types.LocalPkg.LookupNum(prefix, n)
}

// Given funarg struct list, return list of fn args.
func NewFuncParams(origs []*types.Field) []*types.Field {

// To make it unique within a package and also uncallable,
// the name, normally "pkg.init", is altered to "pkg.init.0".
var renameinitgen int

func Renameinit() *types.Sym {
	s := typecheck.LookupNum("init.", renameinitgen)
	renameinitgen++
	return s
}

func checkEmbed(decl *syntax.VarDecl, haveEmbed, withinFunc bool) error {
	switch {
	case !haveEmbed:

// StaticName returns a name backed by a (writable) static data symbol.
// Use readonlystaticname for read-only node.
func StaticName(t *types.Type) *ir.Name {
	// Don't use LookupNum; it interns the resulting string, but these are all unique.
	sym := typecheck.Lookup(fmt.Sprintf("%s%d", obj.StaticNamePref, statuniqgen))
	statuniqgen++

	n := ir.NewNameAt(base.Pos, sym, t)
	sym.Def = n

	}

	declareParams := func(params []*types.Field, ctxt Class, prefix string, offset int) {
		for i, param := range params {
			sym := param.Sym
			if sym == nil || sym.IsBlank() {
				sym = fn.Sym().Pkg.LookupNum(prefix, i)
			}

			name := NewNameAt(param.Pos, sym, param.Type)
			name.Class = ctxt
			name.Curfn = fn
			fn.Dcl[offset+i] = name

			if setNname {
				param.Nname = name
			}
		}

	it := NewClosureStructIter(clo.Func.ClosureVars)
	i := 0
	for {
		n, typ, _ := it.Next()
		if n == nil {
			break
		}
		fields[1+i] = types.NewField(base.AutogeneratedPos, types.LocalPkg.LookupNum("X", i), typ)
		i++
	}
	typ := types.NewStruct(fields)
	typ.SetNoalg(true)
	return typ
}

// MethodValueType returns the struct type used to hold all the information