lustrec / src / printers.ml @ 70e1006b
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(********************************************************************) |
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(* *) |
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(* The LustreC compiler toolset / The LustreC Development Team *) |
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(* Copyright 2012 - -- ONERA - CNRS - INPT *) |
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(* *) |
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(* LustreC is free software, distributed WITHOUT ANY WARRANTY *) |
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(* under the terms of the GNU Lesser General Public License *) |
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(* version 2.1. *) |
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(* *) |
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(********************************************************************) |
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|
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open LustreSpec |
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open Format |
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open Utils |
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|
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(* Prints [v] as [pp_fun] would do, but adds a backslash at each end of line, |
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following the C convention for multiple lines macro *) |
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let pp_as_c_macro pp_fun fmt v = |
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let (out, flush, newline, spaces) = pp_get_all_formatter_output_functions fmt () in |
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let macro_newline () = (out "\\" 0 1; newline ()) in |
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begin |
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pp_set_all_formatter_output_functions fmt out flush macro_newline spaces; |
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pp_fun fmt v; |
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pp_set_all_formatter_output_functions fmt out flush newline spaces; |
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end |
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|
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|
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let pp_var_name fmt id = fprintf fmt "%s" id.var_id |
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|
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let pp_eq_lhs = fprintf_list ~sep:", " pp_print_string |
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|
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let pp_var fmt id = fprintf fmt "%s%s: %a" (if id.var_dec_const then "const " else "") id.var_id Types.print_ty id.var_type |
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|
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let pp_node_var fmt id = fprintf fmt "%s%s: %a%a" (if id.var_dec_const then "const " else "") id.var_id Types.print_node_ty id.var_type Clocks.print_ck_suffix id.var_clock |
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|
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let pp_node_args = fprintf_list ~sep:"; " pp_node_var |
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|
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let pp_quantifiers fmt (q, vars) = |
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match q with |
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| Forall -> fprintf fmt "forall %a" (fprintf_list ~sep:"; " pp_var) vars |
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| Exists -> fprintf fmt "exists %a" (fprintf_list ~sep:"; " pp_var) vars |
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|
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let rec pp_struct_const_field fmt (label, c) = |
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fprintf fmt "%a = %a;" pp_print_string label pp_const c |
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and pp_const fmt c = |
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match c with |
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| Const_int i -> pp_print_int fmt i |
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| Const_real r -> pp_print_string fmt r |
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| Const_float r -> pp_print_float fmt r |
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| Const_tag t -> pp_print_string fmt t |
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| Const_array ca -> Format.fprintf fmt "[%a]" (Utils.fprintf_list ~sep:"," pp_const) ca |
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| Const_struct fl -> Format.fprintf fmt "{%a }" (Utils.fprintf_list ~sep:" " pp_struct_const_field) fl |
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| Const_string s -> pp_print_string fmt ("\"" ^ s ^ "\"") |
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|
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|
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let rec pp_expr fmt expr = |
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(match expr.expr_annot with |
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| None -> fprintf fmt "%t" |
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| Some ann -> fprintf fmt "(%a %t)" pp_expr_annot ann) |
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(fun fmt -> |
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match expr.expr_desc with |
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| Expr_const c -> pp_const fmt c |
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| Expr_ident id -> Format.fprintf fmt "%s" id |
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| Expr_array a -> fprintf fmt "[%a]" pp_tuple a |
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| Expr_access (a, d) -> fprintf fmt "%a[%a]" pp_expr a Dimension.pp_dimension d |
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| Expr_power (a, d) -> fprintf fmt "(%a^%a)" pp_expr a Dimension.pp_dimension d |
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| Expr_tuple el -> fprintf fmt "(%a)" pp_tuple el |
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| Expr_ite (c, t, e) -> fprintf fmt "(if %a then %a else %a)" pp_expr c pp_expr t pp_expr e |
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| Expr_arrow (e1, e2) -> fprintf fmt "(%a -> %a)" pp_expr e1 pp_expr e2 |
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| Expr_fby (e1, e2) -> fprintf fmt "%a fby %a" pp_expr e1 pp_expr e2 |
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| Expr_pre e -> fprintf fmt "pre %a" pp_expr e |
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| Expr_when (e, id, l) -> fprintf fmt "%a when %s(%s)" pp_expr e l id |
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| Expr_merge (id, hl) -> |
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fprintf fmt "merge %s %a" id pp_handlers hl |
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| Expr_appl (id, e, r) -> pp_app fmt id e r |
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) |
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and pp_tuple fmt el = |
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fprintf_list ~sep:"," pp_expr fmt el |
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|
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and pp_handler fmt (t, h) = |
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fprintf fmt "(%s -> %a)" t pp_expr h |
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|
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and pp_handlers fmt hl = |
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fprintf_list ~sep:" " pp_handler fmt hl |
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|
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and pp_app fmt id e r = |
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match r with |
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| None -> |
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(match id, e.expr_desc with |
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| "+", Expr_tuple([e1;e2]) -> fprintf fmt "(%a + %a)" pp_expr e1 pp_expr e2 |
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| "uminus", _ -> fprintf fmt "(- %a)" pp_expr e |
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| "-", Expr_tuple([e1;e2]) -> fprintf fmt "(%a - %a)" pp_expr e1 pp_expr e2 |
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| "*", Expr_tuple([e1;e2]) -> fprintf fmt "(%a * %a)" pp_expr e1 pp_expr e2 |
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| "/", Expr_tuple([e1;e2]) -> fprintf fmt "(%a / %a)" pp_expr e1 pp_expr e2 |
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| "mod", Expr_tuple([e1;e2]) -> fprintf fmt "(%a mod %a)" pp_expr e1 pp_expr e2 |
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| "&&", Expr_tuple([e1;e2]) -> fprintf fmt "(%a and %a)" pp_expr e1 pp_expr e2 |
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| "||", Expr_tuple([e1;e2]) -> fprintf fmt "(%a or %a)" pp_expr e1 pp_expr e2 |
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| "xor", Expr_tuple([e1;e2]) -> fprintf fmt "(%a xor %a)" pp_expr e1 pp_expr e2 |
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| "impl", Expr_tuple([e1;e2]) -> fprintf fmt "(%a => %a)" pp_expr e1 pp_expr e2 |
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| "<", Expr_tuple([e1;e2]) -> fprintf fmt "(%a < %a)" pp_expr e1 pp_expr e2 |
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| "<=", Expr_tuple([e1;e2]) -> fprintf fmt "(%a <= %a)" pp_expr e1 pp_expr e2 |
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| ">", Expr_tuple([e1;e2]) -> fprintf fmt "(%a > %a)" pp_expr e1 pp_expr e2 |
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| ">=", Expr_tuple([e1;e2]) -> fprintf fmt "(%a >= %a)" pp_expr e1 pp_expr e2 |
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| "!=", Expr_tuple([e1;e2]) -> fprintf fmt "(%a != %a)" pp_expr e1 pp_expr e2 |
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| "=", Expr_tuple([e1;e2]) -> fprintf fmt "(%a = %a)" pp_expr e1 pp_expr e2 |
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| "not", _ -> fprintf fmt "(not %a)" pp_expr e |
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| _, Expr_tuple _ -> fprintf fmt "%s %a" id pp_expr e |
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| _ -> fprintf fmt "%s (%a)" id pp_expr e |
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) |
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| Some (x, l) -> fprintf fmt "%s (%a) every %s(%s)" id pp_expr e l x |
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|
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|
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|
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and pp_eexpr fmt e = |
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fprintf fmt "%a%t %a" |
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(Utils.fprintf_list ~sep:"; " pp_quantifiers) e.eexpr_quantifiers |
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(fun fmt -> match e.eexpr_quantifiers with [] -> () | _ -> fprintf fmt ";") |
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pp_expr e.eexpr_qfexpr |
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|
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|
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and pp_expr_annot fmt expr_ann = |
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let pp_annot fmt (kwds, ee) = |
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Format.fprintf fmt "(*! %t: %a *)" |
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(fun fmt -> match kwds with | [] -> assert false | [x] -> Format.pp_print_string fmt x | _ -> Format.fprintf fmt "/%a/" (fprintf_list ~sep:"/" Format.pp_print_string) kwds) |
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pp_eexpr ee |
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in |
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fprintf_list ~sep:"@ " pp_annot fmt expr_ann.annots |
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|
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|
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let pp_node_eq fmt eq = |
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fprintf fmt "%a = %a;" |
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pp_eq_lhs eq.eq_lhs |
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pp_expr eq.eq_rhs |
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|
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let pp_node_eqs = fprintf_list ~sep:"@ " pp_node_eq |
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|
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let rec pp_var_struct_type_field fmt (label, tdesc) = |
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fprintf fmt "%a : %a;" pp_print_string label pp_var_type_dec_desc tdesc |
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and pp_var_type_dec_desc fmt tdesc = |
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match tdesc with |
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| Tydec_any -> fprintf fmt "<any>" |
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| Tydec_int -> fprintf fmt "int" |
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| Tydec_real -> fprintf fmt "real" |
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| Tydec_float -> fprintf fmt "float" |
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| Tydec_bool -> fprintf fmt "bool" |
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| Tydec_clock t -> fprintf fmt "%a clock" pp_var_type_dec_desc t |
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| Tydec_const t -> fprintf fmt "%s" t |
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| Tydec_enum id_list -> fprintf fmt "enum {%a }" (fprintf_list ~sep:", " pp_print_string) id_list |
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| Tydec_struct f_list -> fprintf fmt "struct {%a }" (fprintf_list ~sep:" " pp_var_struct_type_field) f_list |
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| Tydec_array (s, t) -> fprintf fmt "%a^%a" pp_var_type_dec_desc t Dimension.pp_dimension s |
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|
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let pp_var_type_dec fmt ty = |
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pp_var_type_dec_desc fmt ty.ty_dec_desc |
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|
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let pp_typedef fmt ty = |
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fprintf fmt "type %s = %a;@ " ty.tydef_id pp_var_type_dec_desc ty.tydef_desc |
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|
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let pp_typedec fmt ty = |
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fprintf fmt "type %s;@ " ty.tydec_id |
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|
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(* let rec pp_var_type fmt ty = *) |
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(* fprintf fmt "%a" (match ty.tdesc with *) |
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(* | Tvar | Tarrow | Tlink | Tunivar -> assert false *) |
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(* | Tint -> pp_print_string fmt "int" *) |
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(* | Treal -> pp_print_string fmt "real" *) |
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(* | Tbool -> pp_print_string fmt "bool" *) |
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(* | Trat -> pp_print_string fmt "rat" *) |
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(* | Tclock -> pp_print_string fmt "clock" *) |
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(* | Ttuple tel -> fprintf_list ~sep:" * " pp_var_type fmt tel *) |
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(* ) *) |
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|
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|
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let pp_spec fmt spec = |
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fprintf fmt "@[<hov 2>(*@@ "; |
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fprintf_list ~sep:"@;@@ " (fun fmt r -> fprintf fmt "requires %a;" pp_eexpr r) fmt spec.requires; |
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fprintf_list ~sep:"@;@@ " (fun fmt r -> fprintf fmt "ensures %a; " pp_eexpr r) fmt spec.ensures; |
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fprintf_list ~sep:"@;" (fun fmt (name, assumes, ensures, _) -> |
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fprintf fmt "behavior %s:@[@ %a@ %a@]" |
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name |
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(fprintf_list ~sep:"@ " (fun fmt r -> fprintf fmt "assumes %a;" pp_eexpr r)) assumes |
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(fprintf_list ~sep:"@ " (fun fmt r -> fprintf fmt "ensures %a;" pp_eexpr r)) ensures |
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) fmt spec.behaviors; |
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fprintf fmt "@]*)"; |
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() |
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|
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|
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let pp_asserts fmt asserts = |
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match asserts with |
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| _::_ -> ( |
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fprintf fmt "(* Asserts definitions *)@ "; |
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fprintf_list ~sep:"@ " (fun fmt assert_ -> |
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let expr = assert_.assert_expr in |
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fprintf fmt "assert %a;" pp_expr expr |
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) fmt asserts |
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) |
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| _ -> () |
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|
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let pp_node fmt nd = |
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fprintf fmt "@[<v 0>%a%t%s %s (%a) returns (%a)@.%a%alet@.@[<h 2> @ @[<v>%a@ %a@ %a@]@ @]@.tel@]@." |
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(fun fmt s -> match s with Some s -> pp_spec fmt s | _ -> ()) nd.node_spec |
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(fun fmt -> match nd.node_spec with None -> () | Some _ -> Format.fprintf fmt "@.") |
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(if nd.node_dec_stateless then "function" else "node") |
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nd.node_id |
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pp_node_args nd.node_inputs |
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pp_node_args nd.node_outputs |
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(fun fmt locals -> |
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match locals with [] -> () | _ -> |
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fprintf fmt "@[<v 4>var %a@]@ " |
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(fprintf_list ~sep:"@ " |
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(fun fmt v -> fprintf fmt "%a;" pp_node_var v)) |
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locals |
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) nd.node_locals |
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(fun fmt checks -> |
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match checks with [] -> () | _ -> |
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fprintf fmt "@[<v 4>check@ %a@]@ " |
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(fprintf_list ~sep:"@ " |
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(fun fmt d -> fprintf fmt "%a" Dimension.pp_dimension d)) |
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checks |
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) nd.node_checks |
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(fprintf_list ~sep:"@ " pp_expr_annot) nd.node_annot |
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pp_node_eqs nd.node_eqs |
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pp_asserts nd.node_asserts |
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(*fprintf fmt "@ /* Scheduling: %a */ @ " (fprintf_list ~sep:", " pp_print_string) (Scheduling.schedule_node nd)*) |
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|
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let pp_imported_node fmt ind = |
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fprintf fmt "@[<v>%s %s (%a) returns (%a)@]" |
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(if ind.nodei_stateless then "function" else "node") |
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ind.nodei_id |
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pp_node_args ind.nodei_inputs |
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pp_node_args ind.nodei_outputs |
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|
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let pp_const_decl fmt cdecl = |
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fprintf fmt "%s = %a;" cdecl.const_id pp_const cdecl.const_value |
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|
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let pp_const_decl_list fmt clist = |
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fprintf_list ~sep:"@ " pp_const_decl fmt clist |
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|
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let pp_decl fmt decl = |
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match decl.top_decl_desc with |
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| Node nd -> fprintf fmt "%a@ " pp_node nd |
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| ImportedNode ind -> |
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fprintf fmt "imported %a;@ " pp_imported_node ind |
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| Const c -> fprintf fmt "const %a@ " pp_const_decl c |
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| Open (local, s) -> if local then fprintf fmt "#open \"%s\"@ " s else fprintf fmt "#open <%s>@ " s |
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| TypeDef tdef -> fprintf fmt "%a@ " pp_typedef tdef |
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|
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let pp_prog fmt prog = |
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fprintf_list ~sep:"@ " pp_decl fmt prog |
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|
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let pp_short_decl fmt decl = |
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match decl.top_decl_desc with |
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| Node nd -> fprintf fmt "node %s@ " nd.node_id |
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| ImportedNode ind -> fprintf fmt "imported node %s" ind.nodei_id |
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| Const c -> fprintf fmt "const %a@ " pp_const_decl c |
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| Open (local, s) -> if local then fprintf fmt "#open \"%s\"@ " s else fprintf fmt "#open <%s>@ " s |
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| TypeDef tdef -> fprintf fmt "type %s;@ " tdef.tydef_id |
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|
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let pp_lusi fmt decl = |
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match decl.top_decl_desc with |
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| ImportedNode ind -> fprintf fmt "%a;@ " pp_imported_node ind |
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| Const c -> fprintf fmt "const %a@ " pp_const_decl c |
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| Open (local, s) -> if local then fprintf fmt "#open \"%s\"@ " s else fprintf fmt "#open <%s>@ " s |
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| TypeDef tdef -> fprintf fmt "%a@ " pp_typedef tdef |
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| Node _ -> assert false |
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|
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let pp_lusi_header fmt basename prog = |
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fprintf fmt "(* Generated Lustre Interface file from %s.lus *)@." basename; |
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fprintf fmt "(* by Lustre-C compiler version %s, %a *)@." Version.number pp_date (Unix.gmtime (Unix.time ())); |
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fprintf fmt "(* Feel free to mask some of the definitions by removing them from this file. *)@.@."; |
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List.iter (fprintf fmt "%a@." pp_lusi) prog |
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|
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(* Local Variables: *) |
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(* compile-command:"make -C .." *) |
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(* End: *) |