Esempio n. 1
0
func (cdd *CDD) results(tup *types.Tuple) (res results) {
	if tup == nil {
		res.typ = "void"
		return
	}

	n := tup.Len()

	res.names = make([]string, n)
	for i := 0; i < n; i++ {
		name := tup.At(i).Name()
		switch name {
		case "":
			name = "_" + strconv.Itoa(n)

		case "_":
			res.hasNames = true

		default:
			name += "$"
			res.hasNames = true
		}
		res.names[i] = name
	}
	if n > 1 {
		res.typ, res.fields, res.acds = cdd.tupleName(tup)
		return
	}
	v := tup.At(0)
	field0 := types.NewField(v.Pos(), v.Pkg(), "_0", v.Type(), false)
	res.fields = []*types.Var{field0}
	res.typ, res.dim, res.acds = cdd.TypeStr(v.Type())
	return
}
Esempio n. 2
0
func (p *importer) field() *types.Var {
	pkg, name := p.qualifiedName()
	typ := p.typ()

	anonymous := false
	if name == "" {
		// anonymous field - typ must be T or *T and T must be a type name
		switch typ := deref(typ).(type) {
		case *types.Basic: // basic types are named types
			pkg = nil
			name = typ.Name()
		case *types.Named:
			obj := typ.Obj()
			name = obj.Name()
			// correct the field package for anonymous fields
			if exported(name) {
				pkg = p.pkgList[0]
			}
		default:
			panic("anonymous field expected")
		}
		anonymous = true
	}

	return types.NewField(token.NoPos, pkg, name, typ, anonymous)
}
// Field = Name Type [ string_lit ] .
//
func (p *parser) parseField() (*types.Var, string) {
	pkg, name := p.parseName(true)
	typ := p.parseType()
	anonymous := false
	if name == "" {
		// anonymous field - typ must be T or *T and T must be a type name
		switch typ := deref(typ).(type) {
		case *types.Basic: // basic types are named types
			pkg = nil
			name = typ.Name()
		case *types.Named:
			name = typ.Obj().Name()
		default:
			p.errorf("anonymous field expected")
		}
		anonymous = true
	}
	tag := ""
	if p.tok == scanner.String {
		s := p.expect(scanner.String)
		var err error
		tag, err = strconv.Unquote(s)
		if err != nil {
			p.errorf("invalid struct tag %s: %s", s, err)
		}
	}
	return types.NewField(token.NoPos, pkg, name, typ, anonymous), tag
}
Esempio n. 4
0
// Field = Name Type [ string_lit ] .
//
func (p *parser) parseField() (*types.Var, string) {
	pkg, name := p.parseName(true)
	typ := p.parseType()
	anonymous := false
	if name == "" {
		// anonymous field - typ must be T or *T and T must be a type name
		switch typ := deref(typ).(type) {
		case *types.Basic: // basic types are named types
			pkg = nil
			name = typ.Name()
		case *types.Named:
			obj := typ.Obj()
			pkg = obj.Pkg() // TODO(gri) is this still correct?
			name = obj.Name()
		default:
			p.errorf("anonymous field expected")
		}
		anonymous = true
	}
	tag := ""
	if p.tok == scanner.String {
		tag = p.expect(scanner.String)
	}
	return types.NewField(token.NoPos, pkg, name, typ, anonymous), tag
}
Esempio n. 5
0
// Field = Name Type [string] .
func (p *parser) parseField(pkg *types.Package) (field *types.Var, tag string) {
	name := p.parseName()
	typ := p.parseType(pkg)
	anon := false
	if name == "" {
		anon = true
		switch typ := deref(typ).(type) {
		case *types.Basic:
			name = typ.Name()
		case *types.Named:
			name = typ.Obj().Name()
		default:
			p.error("anonymous field expected")
		}
	}
	field = types.NewField(token.NoPos, pkg, name, typ, anon)
	if p.tok == scanner.String {
		tag = p.parseString()
	}
	return
}
Esempio n. 6
0
func (cdd *CDD) tupleName(tup *types.Tuple) (tupName string, fields []*types.Var, acds []*CDD) {
	n := tup.Len()
	for i := 0; i < n; i++ {
		if i != 0 {
			tupName += "$$"
		}
		name, dim, a := cdd.TypeStr(tup.At(i).Type())
		tupName += dimFuncPtr(name, dim)
		acds = append(acds, a...)

	}
	tupName = strings.Map(symToDol, tupName)

	fields = make([]*types.Var, n)
	for i := 0; i < n; i++ {
		v := tup.At(i)
		fields[i] = types.NewField(
			v.Pos(), v.Pkg(), "_"+strconv.Itoa(i), v.Type(), false,
		)
	}

	if _, ok := cdd.gtc.tupNames[tupName]; ok {
		return
	}

	cdd.gtc.tupNames[tupName] = struct{}{}

	s := types.NewStruct(fields, nil)
	o := types.NewTypeName(tup.At(0).Pos(), cdd.gtc.pkg, tupName, s)
	acd := cdd.gtc.newCDD(o, TypeDecl, 0)
	acd.structDecl(new(bytes.Buffer), tupName, s)
	cdd.DeclUses[o] = true
	acds = append(acds, acd)

	return
}