package ast

import (
//	"fmt"
	"strings"
)

// ObjCInterfaceDecl is node represents a typedef declaration.
type ObjCInterfaceDecl struct {
	Addr         Address
	Pos          Position
	Position2    string
	Name         string
	Implicit     bool
	ChildNodes   []Node
}

func parseObjCInterfaceDecl(line string) *ObjCInterfaceDecl {
	groups := groupsFromRegex(
		`(?:prev (?P<prev>0x[0-9a-f]+) )?
		<(?P<position><invalid sloc>|.*)>
		(?P<position2> <invalid sloc>| col:\d+| line:\d+:\d+)
		(?P<implicit> implicit)?
		(?P<name> \w+)?`,
		line,
	)

	/*fmt.Println(line)
	fmt.Println("prev = ",groups["prev"])
	fmt.Println("position = ",groups["position"])
	fmt.Println("position2 = ",groups["position2"])
	fmt.Println("implicit = ",len(groups["implicit"])>0)
	fmt.Println("name = ",groups["name"])*/

	return &ObjCInterfaceDecl{
		Addr:         ParseAddress(groups["address"]),
		Pos:          NewPositionFromString(groups["position"]),
		Position2:    strings.TrimSpace(groups["position2"]),
		Name:         strings.TrimSpace(groups["name"]),
		Implicit:     len(groups["implicit"])>0,
		ChildNodes:   []Node{},
	}
}

// AddChild adds a new child node. Child nodes can then be accessed with the
// Children attribute.
func (n *ObjCInterfaceDecl) AddChild(node Node) {
	n.ChildNodes = append(n.ChildNodes, node)
}

// Address returns the numeric address of the node. See the documentation for
// the Address type for more information.
func (n *ObjCInterfaceDecl) Address() Address {
	return n.Addr
}

// Children returns the child nodes. If this node does not have any children or
// this node does not support children it will always return an empty slice.
func (n *ObjCInterfaceDecl) Children() []Node {
	return n.ChildNodes
}

// Position returns the position in the original source code.
func (n *ObjCInterfaceDecl) Position() Position {
	return n.Pos
}