parser

type Field struct {
	Name     stringx.String
	TypeName string
	JsonTag  string
	Document []string
	Comment  []string
}

type Func struct {
	Name        stringx.String
	InType      string
	InTypeName  string // remove *Context,such as LoginRequest、UserRequest
	OutTypeName string // remove *Context
	OutType     string
	Document    []string
}

type PbAst struct {
	Package string
	// external reference
	Imports map[string]string
	Strcuts map[string]*Struct
	// rpc server's functions,not all functions
	Service []*RpcService
}

type RpcService struct {
	Name  stringx.String
	Funcs []*Func
}

type Struct struct {
	Name     stringx.String
	Document []string
	Comment  []string
	Field    []*Field
}