exception LexicalError of Sstt_repl__.Position.t * stringexception SyntaxError of Sstt_repl__.Position.t * stringval parse_program_file : string -> Sstt_repl__.Ast.elt listval parse_program : string -> Sstt_repl__.Ast.elt listval parse_type : string -> Sstt_repl__.Ast.tyval parse_command : Stdlib.Lexing.lexbuf -> Sstt_repl__.Ast.command