ligo/ast_typed/PP.ml
2019-05-12 20:57:30 +00:00

116 lines
5.3 KiB
OCaml

open Types
open Format
open PP_helpers
let list_sep_d x = list_sep x (const " , ")
let smap_sep_d x = smap_sep x (const " , ")
let rec type_value' ppf (tv':type_value') : unit =
match tv' with
| T_tuple lst -> fprintf ppf "tuple[%a]" (list_sep_d type_value) lst
| T_sum m -> fprintf ppf "sum[%a]" (smap_sep_d type_value) m
| T_record m -> fprintf ppf "record[%a]" (smap_sep_d type_value) m
| T_function (a, b) -> fprintf ppf "%a -> %a" type_value a type_value b
| T_constant (c, []) -> fprintf ppf "%s" c
| T_constant (c, n) -> fprintf ppf "%s(%a)" c (list_sep_d type_value) n
and type_value ppf (tv:type_value) : unit =
type_value' ppf tv.type_value'
let rec annotated_expression ppf (ae:annotated_expression) : unit =
match ae.type_annotation.simplified with
| Some _ -> fprintf ppf "@[<v>%a:%a@]" expression ae.expression type_value ae.type_annotation
| _ -> fprintf ppf "@[<v>%a@]" expression ae.expression
and lambda ppf l =
let {binder;input_type;output_type;result;body} = l in
fprintf ppf "lambda (%s:%a) : %a {@; @[<v>%a@]@;} return %a"
binder type_value input_type type_value output_type
block body annotated_expression result
and expression ppf (e:expression) : unit =
match e with
| E_literal l -> literal ppf l
| E_constant (c, lst) -> fprintf ppf "%s(%a)" c (list_sep_d annotated_expression) lst
| E_constructor (c, lst) -> fprintf ppf "%s(%a)" c annotated_expression lst
| E_variable a -> fprintf ppf "%s" a
| E_application (f, arg) -> fprintf ppf "(%a) (%a)" annotated_expression f annotated_expression arg
| E_lambda l -> fprintf ppf "%a" lambda l
| E_tuple_accessor (ae, i) -> fprintf ppf "%a.%d" annotated_expression ae i
| E_record_accessor (ae, s) -> fprintf ppf "%a.%s" annotated_expression ae s
| E_tuple lst -> fprintf ppf "tuple[@; @[<v>%a@]@;]" (list_sep annotated_expression (tag ",@;")) lst
| E_record m -> fprintf ppf "record[%a]" (smap_sep_d annotated_expression) m
| E_map m -> fprintf ppf "map[@; @[<v>%a@]@;]" (list_sep assoc_annotated_expression (tag ",@;")) m
| E_list m -> fprintf ppf "list[@; @[<v>%a@]@;]" (list_sep annotated_expression (tag ",@;")) m
| E_look_up (ds, i) -> fprintf ppf "(%a)[%a]" annotated_expression ds annotated_expression i
| E_matching (ae, m) ->
fprintf ppf "match %a with %a" annotated_expression ae (matching annotated_expression) m
| E_failwith ae -> fprintf ppf "failwith %a" annotated_expression ae
and value ppf v = annotated_expression ppf v
and assoc_annotated_expression ppf : (ae * ae) -> unit = fun (a, b) ->
fprintf ppf "%a -> %a" annotated_expression a annotated_expression b
and literal ppf (l:literal) : unit =
match l with
| Literal_unit -> fprintf ppf "unit"
| Literal_bool b -> fprintf ppf "%b" b
| Literal_int n -> fprintf ppf "%d" n
| Literal_nat n -> fprintf ppf "+%d" n
| Literal_tez n -> fprintf ppf "%dtz" n
| Literal_string s -> fprintf ppf "%s" s
| Literal_bytes b -> fprintf ppf "0x%s" @@ Bytes.to_string @@ Bytes.escaped b
| Literal_address s -> fprintf ppf "@%s" s
| Literal_operation _ -> fprintf ppf "Operation(...bytes)"
and block ppf (b:block) = (list_sep instruction (tag "@;")) ppf b
and single_record_patch ppf ((s, ae) : string * ae) =
fprintf ppf "%s <- %a" s annotated_expression ae
and matching_variant_case : type a . (_ -> a -> unit) -> _ -> (constructor_name * name) * a -> unit =
fun f ppf ((c,n),a) ->
fprintf ppf "| %s %s -> %a" c n f a
and matching : type a . (formatter -> a -> unit) -> _ -> a matching -> unit = fun f ppf m -> match m with
| Match_tuple (lst, b) ->
fprintf ppf "let (%a) = %a" (list_sep_d (fun ppf -> fprintf ppf "%s")) lst f b
| Match_variant (lst , _) ->
fprintf ppf "%a" (list_sep (matching_variant_case f) (tag "@.")) lst
| Match_bool {match_true ; match_false} ->
fprintf ppf "| True -> %a @.| False -> %a" f match_true f match_false
| Match_list {match_nil ; match_cons = (hd, tl, match_cons)} ->
fprintf ppf "| Nil -> %a @.| %s :: %s -> %a" f match_nil hd tl f match_cons
| Match_option {match_none ; match_some = (some, match_some)} ->
fprintf ppf "| None -> %a @.| Some %s -> %a" f match_none (fst some) f match_some
and pre_access ppf (a:access) = match a with
| Access_record n -> fprintf ppf ".%s" n
| Access_tuple i -> fprintf ppf ".%d" i
| Access_map n -> fprintf ppf ".%a" annotated_expression n
and instruction ppf (i:instruction) = match i with
| I_skip -> fprintf ppf "skip"
| I_do ae -> fprintf ppf "do %a" annotated_expression ae
| I_loop (cond, b) -> fprintf ppf "while (%a) {@; @[<v>%a@]@;}" annotated_expression cond block b
| I_declaration {name;annotated_expression = ae} ->
fprintf ppf "let %s = %a" name annotated_expression ae
| I_assignment {name;annotated_expression = ae} ->
fprintf ppf "%s := %a" name annotated_expression ae
| I_matching (ae, m) ->
fprintf ppf "match %a with %a" annotated_expression ae (matching block) m
| I_patch (s, p, e) ->
fprintf ppf "%s%a := %a"
s.type_name (fun ppf -> List.iter (pre_access ppf)) p
annotated_expression e
let declaration ppf (d:declaration) =
match d with
| Declaration_constant ({name ; annotated_expression = ae} , _) ->
fprintf ppf "const %s = %a" name annotated_expression ae
let program ppf (p:program) =
fprintf ppf "@[<v>%a@]" (list_sep declaration (tag "@;")) (List.map Location.unwrap p)