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open Format
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let merge_expr_annot ann1 ann2 =
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match ann1, ann2 with
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| None, None -> assert false
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| Some _, None -> ann1
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| None, Some _ -> ann2
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| Some ann1, Some ann2 -> Some (ann1@ann2)
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type ident = Utils.ident
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type rat = Utils.rat
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type tag = Utils.tag
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type constant =
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| EConst_int of int
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| EConst_real of string
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| EConst_float of float
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| EConst_bool of bool
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| EConst_string of string
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type type_dec =
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{ty_dec_desc: type_dec_desc;
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ty_dec_loc: Location.t}
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and type_dec_desc =
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| Tydec_any
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| Tydec_int
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| Tydec_real
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| Tydec_float
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| Tydec_bool
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| Tydec_clock of type_dec_desc
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| Tydec_const of ident
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| Tydec_enum of ident list
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(* | Tydec_struct of (ident * type_dec_desc) list *)
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| Tydec_array of Dimension.dim_expr * type_dec_desc
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type clock_dec =
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{ck_dec_desc: clock_dec_desc;
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ck_dec_loc: Location.t}
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and clock_dec_desc =
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| Ckdec_any
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| Ckdec_bool of (ident * ident) list
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| Ckdec_pclock of int * rat
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type var_decl =
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{var_id: ident;
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var_dec_type: type_dec;
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var_dec_clock: clock_dec;
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var_dec_const: bool;
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mutable var_type: Types.type_expr;
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mutable var_clock: Clocks.clock_expr;
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var_loc: Location.t}
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(* The tag of an expression is a unique identifier used to distinguish
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different instances of the same node *)
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type eexpr =
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{eexpr_tag: tag;
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eexpr_desc: eexpr_desc;
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mutable eexpr_type: Types.type_expr;
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mutable eexpr_clock: Clocks.clock_expr;
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eexpr_loc: Location.t}
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and eexpr_desc =
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| EExpr_const of constant
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| EExpr_ident of ident
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| EExpr_tuple of eexpr list
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| EExpr_arrow of eexpr * eexpr
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| EExpr_fby of eexpr * eexpr
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(* | EExpr_concat of eexpr * eexpr *)
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(* | EExpr_tail of eexpr *)
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| EExpr_pre of eexpr
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| EExpr_when of eexpr * ident
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(* | EExpr_whennot of eexpr * ident *)
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| EExpr_merge of ident * eexpr * eexpr
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| EExpr_appl of ident * eexpr * ident option
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(* | EExpr_uclock of eexpr * int *)
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(* | EExpr_dclock of eexpr * int *)
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(* | EExpr_phclock of eexpr * rat *)
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| EExpr_exists of var_decl list * eexpr
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| EExpr_forall of var_decl list * eexpr
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type ensures_t = EnsuresExpr of eexpr | SpecObserverNode of (string * eexpr list)
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type node_annot = {
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requires: eexpr list;
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ensures: ensures_t list;
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behaviors: (string * eexpr list * ensures_t list) list
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}
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type expr_annot = (string list * eexpr) list
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let merge_node_annot ann1 ann2 =
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{ requires = ann1.requires @ ann2.requires;
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ensures = ann1.ensures @ ann2.ensures;
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behaviors = ann1.behaviors @ ann2.behaviors;
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}
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let mkeexpr loc d =
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{ eexpr_tag = Utils.new_tag ();
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eexpr_desc = d;
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eexpr_type = Types.new_var ();
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eexpr_clock = Clocks.new_var true;
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eexpr_loc = loc }
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let mkepredef_call loc funname args =
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mkeexpr loc (EExpr_appl (funname, mkeexpr loc (EExpr_tuple args), None))
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let mkepredef_unary_call loc funname arg =
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mkeexpr loc (EExpr_appl (funname, arg, None))
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(* Local Variables: *)
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(* compile-command:"make -C .." *)
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(* End: *)
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