47 lines
2.1 KiB
OCaml
47 lines
2.1 KiB
OCaml
(**************************************************************************)
|
|
(* *)
|
|
(* Copyright (c) 2014 - 2016. *)
|
|
(* Dynamic Ledger Solutions, Inc. <contact@tezos.com> *)
|
|
(* *)
|
|
(* All rights reserved. No warranty, explicit or implicit, provided. *)
|
|
(* *)
|
|
(**************************************************************************)
|
|
|
|
open Contract_repr
|
|
|
|
(** The node position in the AST in prefix order *)
|
|
type location = int
|
|
val location_encoding : location Data_encoding.t
|
|
|
|
(** The three possible parsing contexts *)
|
|
type parse_context = Type | Constant | Instr
|
|
|
|
(** The primitive on which an error happened *)
|
|
type parse_symbol = parse_context * string
|
|
|
|
(** Errors (only used as result in the error monad) *)
|
|
exception Invalid_arity of location * parse_symbol * int * int
|
|
exception Unknown_primitive of location * parse_symbol
|
|
exception Comparable_type_expected of location
|
|
exception Invalid_push of location
|
|
exception Invalid_node of location * parse_context
|
|
exception Invalid_constant of location * string
|
|
|
|
(** An association from script AST nodes to original expression nodes.
|
|
Nodes are represented by their indexes in expression trees and
|
|
script AST in prefix order, the root being 0. In expression nodes,
|
|
all constants count for 1, as do a primitive applcation or a
|
|
sequence. In AST nodes, all constructors count for 1, except for
|
|
all type contructors and the seq instruction constructor which are
|
|
omitted. *)
|
|
type code_map = (int * int) list
|
|
|
|
(** parse a script expression as code, may return a [Parse_error] *)
|
|
val parse_code: Script_ir.node -> (script_instr * code_map) result
|
|
|
|
(** parse a script expression as typed data, may return a [Parse_error] *)
|
|
val parse_data: Script_ir.node -> (script_data_ty * script_data * code_map) result
|
|
|
|
(** parse a script expression as a type, may return a [Parse_error] *)
|
|
val parse_data_type: Script_ir.node -> (script_data_ty * code_map) result
|