core

type Field interface {
	Name() string
	Value() interface{}
	Ptr() interface{}
	Set(val interface{})
}

type FuncInfo struct {
	Kind Kind
	// full name, format: {pkgPath}.{receiver}.{funcName}
	// example:  github.com/xhd2015/xgo/runtime/core.(*SomeType).SomeFunc
	FullName string
	Pkg      string
	// identity name within a package, for ptr-method, it's something like `(*SomeType).SomeFunc`
	// run `go run ./test/example/method` to verify
	IdentityName string
	Name         string
	RecvType     string
	RecvPtr      bool

	// is this an interface method?
	Interface bool

	// is this a generic function?
	Generic bool

	// is this a closure?
	Closure bool

	// is this function from stdlib
	Stdlib bool

	// source info
	File string
	Line int

	// PC is the function entry point
	// if it's a method, it is the underlying entry point
	// for all instances, it is the same
	PC   uintptr     `json:"-"`
	Func interface{} `json:"-"`
	Var  interface{} `json:"-"` // var address

	RecvName string
	ArgNames []string
	ResNames []string

	// is first argument ctx
	FirstArgCtx bool
	// last result error
	LastResultErr bool
}

type Kind int

type Object interface {
	GetField(name string) Field
	GetFieldIndex(i int) Field
	NumField() int
}

type ObjectWithErr interface {
	Object

	GetErr() Field
}