// Copyright 2021 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

package summarize

import (
	"go.fuchsia.dev/fuchsia/tools/fidl/lib/fidlgen"
)

const aConstType Kind = "const"

// addConsts obtains the API elements present in the constants.
func (s *summarizer) addConsts(consts []fidlgen.Const) {
	for _, c := range consts {
		// Avoid pointer aliasing on c.
		v := c.Value
		s.addElement(
			&aConst{
				named: named{
					symbolTable: &s.symbols,
					name:        Name(c.Name)},
				aType:             c.Type,
				maybeDefaultValue: &v,
			})
	}
}

// aConst represents a constant Element.
type aConst struct {
	named
	notMember
	aType             fidlgen.Type
	maybeDefaultValue *fidlgen.Constant
}

func (c *aConst) Serialize() ElementStr {
	e := c.named.Serialize()
	e.Kind = Kind(aConstType)
	e.Type = Type(c.symbolTable.fidlTypeString(c.aType))
	e.Value = fidlConstToValue(c.maybeDefaultValue)
	return e
}