You can search for identifiers within the package.
in-package search v0.2.0
type token =
| UNSIGNED
| TIME
| SIGNED
| SHORTINT
| SEMICOLON
| REG
| PACKAGE
| L_STRING of string
| L_OCT of string
| L_INT of int
| L_HEX of string
| L_DEC of string
| L_BIN of string
| LONGINT
| LOGIC
| LOCALPARAM
| INTEGER
| INT
| ID of string
| EQUAL
| EOF
| ENDPACKAGE
| COMMA
| BYTE
| BIT
exception Error
val sv : (Lexing.lexbuf -> token) -> Lexing.lexbuf -> Grammar_types.Description.t option