lustrec / src / backends / C / c_backend_spec.ml @ 01c7d5e1
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open Format |
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open LustreSpec |
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open Machine_code |
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open C_backend_common |
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open Utils |
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|
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(**************************************************************************) |
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(* Printing spec for c *) |
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|
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(**************************************************************************) |
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(* OLD STUFF ??? |
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|
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|
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let pp_acsl_type var fmt t = |
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let rec aux t pp_suffix = |
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match (Types.repr t).Types.tdesc with |
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| Types.Tclock t' -> aux t' pp_suffix |
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| Types.Tbool -> fprintf fmt "int %s%a" var pp_suffix () |
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| Types.Treal -> fprintf fmt "real %s%a" var pp_suffix () |
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| Types.Tint -> fprintf fmt "int %s%a" var pp_suffix () |
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| Types.Tarray (d, t') -> |
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let pp_suffix' fmt () = fprintf fmt "%a[%a]" pp_suffix () pp_c_dimension d in |
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aux t' pp_suffix' |
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(* | Types.Tstatic (_, t') -> fprintf fmt "const "; aux t' pp_suffix *) |
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(* | Types.Tconst ty -> fprintf fmt "%s %s" ty var *) |
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(* | Types.Tarrow (_, _) -> fprintf fmt "void (\*%s)()" var *) |
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| _ -> eprintf "internal error: pp_acsl_type %a@." Types.print_ty t; assert false |
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in aux t (fun fmt () -> ()) |
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|
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let pp_acsl_var_decl fmt id = |
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pp_acsl_type id.var_id fmt id.var_type |
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|
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|
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let pp_econst fmt c = |
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match c with |
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| EConst_int i -> pp_print_int fmt i |
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| EConst_real r -> pp_print_string fmt r |
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| EConst_float r -> pp_print_float fmt r |
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| EConst_bool b -> pp_print_bool fmt b |
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| EConst_string s -> pp_print_string fmt ("\"" ^ s ^ "\"") |
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|
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let rec pp_eexpr is_output fmt eexpr = |
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let pp_eexpr = pp_eexpr is_output in |
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match eexpr.eexpr_desc with |
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| EExpr_const c -> pp_econst fmt c |
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| EExpr_ident id -> |
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if is_output id then pp_print_string fmt ("*" ^ id) else pp_print_string fmt id |
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| EExpr_tuple el -> Utils.fprintf_list ~sep:"," pp_eexpr fmt el |
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| EExpr_arrow (e1, e2) -> fprintf fmt "%a -> %a" pp_eexpr e1 pp_eexpr e2 |
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| EExpr_fby (e1, e2) -> fprintf fmt "%a fby %a" pp_eexpr e1 pp_eexpr e2 |
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(* | EExpr_concat (e1, e2) -> fprintf fmt "%a::%a" pp_eexpr e1 pp_eexpr e2 *) |
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(* | EExpr_tail e -> fprintf fmt "tail %a" pp_eexpr e *) |
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| EExpr_pre e -> fprintf fmt "pre %a" pp_eexpr e |
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| EExpr_when (e, id) -> fprintf fmt "%a when %s" pp_eexpr e id |
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| EExpr_merge (id, e1, e2) -> |
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fprintf fmt "merge (%s, %a, %a)" id pp_eexpr e1 pp_eexpr e2 |
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| EExpr_appl (id, e, r) -> pp_eapp is_output fmt id e r |
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| EExpr_forall (vars, e) -> fprintf fmt "forall %a; %a" Printers.pp_node_args vars pp_eexpr e |
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| EExpr_exists (vars, e) -> fprintf fmt "exists %a; %a" Printers.pp_node_args vars pp_eexpr e |
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|
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|
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(* | EExpr_whennot _ *) |
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(* | EExpr_uclock _ *) |
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(* | EExpr_dclock _ *) |
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(* | EExpr_phclock _ -> assert false *) |
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and pp_eapp is_output fmt id e r = |
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let pp_eexpr = pp_eexpr is_output in |
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match r with |
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| None -> |
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(match id, e.eexpr_desc with |
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| "+", EExpr_tuple([e1;e2]) -> fprintf fmt "(%a + %a)" pp_eexpr e1 pp_eexpr e2 |
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| "uminus", _ -> fprintf fmt "(- %a)" pp_eexpr e |
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| "-", EExpr_tuple([e1;e2]) -> fprintf fmt "(%a - %a)" pp_eexpr e1 pp_eexpr e2 |
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| "*", EExpr_tuple([e1;e2]) -> fprintf fmt "(%a * %a)" pp_eexpr e1 pp_eexpr e2 |
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| "/", EExpr_tuple([e1;e2]) -> fprintf fmt "(%a / %a)" pp_eexpr e1 pp_eexpr e2 |
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| "mod", EExpr_tuple([e1;e2]) -> fprintf fmt "(%a mod %a)" pp_eexpr e1 pp_eexpr e2 |
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| "&&", EExpr_tuple([e1;e2]) -> fprintf fmt "(%a && %a)" pp_eexpr e1 pp_eexpr e2 |
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| "||", EExpr_tuple([e1;e2]) -> fprintf fmt "(%a || %a)" pp_eexpr e1 pp_eexpr e2 |
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| "xor", EExpr_tuple([e1;e2]) -> fprintf fmt "(%a ^^ %a)" pp_eexpr e1 pp_eexpr e2 |
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| "impl", EExpr_tuple([e1;e2]) -> fprintf fmt "(%a ==> %a)" pp_eexpr e1 pp_eexpr e2 |
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| "<", EExpr_tuple([e1;e2]) -> fprintf fmt "(%a < %a)" pp_eexpr e1 pp_eexpr e2 |
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| "<=", EExpr_tuple([e1;e2]) -> fprintf fmt "(%a <= %a)" pp_eexpr e1 pp_eexpr e2 |
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| ">", EExpr_tuple([e1;e2]) -> fprintf fmt "(%a > %a)" pp_eexpr e1 pp_eexpr e2 |
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| ">=", EExpr_tuple([e1;e2]) -> fprintf fmt "(%a >= %a)" pp_eexpr e1 pp_eexpr e2 |
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| "!=", EExpr_tuple([e1;e2]) -> fprintf fmt "(%a != %a)" pp_eexpr e1 pp_eexpr e2 |
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| "=", EExpr_tuple([e1;e2]) -> fprintf fmt "(%a == %a)" pp_eexpr e1 pp_eexpr e2 |
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| "not", _ -> fprintf fmt "(! %a)" pp_eexpr e |
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| "ite", EExpr_tuple([e1;e2;e3]) -> fprintf fmt "(if %a then %a else %a)" pp_eexpr e1 pp_eexpr e2 pp_eexpr e3 |
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| _ -> fprintf fmt "%s (%a)" id pp_eexpr e) |
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| Some x -> fprintf fmt "%s (%a) every %s" id pp_eexpr e x |
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|
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let pp_ensures is_output fmt e = |
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match e with |
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| EnsuresExpr e -> fprintf fmt "ensures %a;@ " (pp_eexpr is_output) e |
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| SpecObserverNode (name, args) -> fprintf fmt "observer %s (%a);@ " name (Utils.fprintf_list ~sep:", " (pp_eexpr is_output)) args |
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|
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let pp_acsl_spec outputs fmt spec = |
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let is_output = fun oid -> List.exists (fun v -> v.var_id = oid) outputs in |
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let pp_eexpr = pp_eexpr is_output in |
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fprintf fmt "@[<v 2>/*@@ "; |
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Utils.fprintf_list ~sep:"" (fun fmt r -> fprintf fmt "requires %a;@ " pp_eexpr r) fmt spec.requires; |
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Utils.fprintf_list ~sep:"" (pp_ensures is_output) fmt spec.ensures; |
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fprintf fmt "@ "; |
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(* fprintf fmt "assigns *self%t%a;@ " *) |
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(* (fun fmt -> if List.length outputs > 0 then fprintf fmt ", ") *) |
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(* (fprintf_list ~sep:"," (fun fmt v -> fprintf fmt "*%s" v.var_id)) outputs; *) |
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Utils.fprintf_list ~sep:"@ " (fun fmt (name, assumes, requires) -> |
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fprintf fmt "behavior %s:@[@ %a@ %a@]" |
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name |
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(Utils.fprintf_list ~sep:"@ " (fun fmt r -> fprintf fmt "assumes %a;" pp_eexpr r)) assumes |
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(Utils.fprintf_list ~sep:"@ " (pp_ensures is_output)) requires |
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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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|
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|
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let print_machine_decl_prefix fmt m = |
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(* Print specification if any *) |
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(match m.mspec with |
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| None -> () |
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| Some spec -> |
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pp_acsl_spec m.mstep.step_outputs fmt spec |
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) |
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|
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*) |
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|
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(**************************************************************************) |
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(* MAKEFILE *) |
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(**************************************************************************) |
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|
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let makefile_targets fmt basename nodename dependencies = |
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fprintf fmt "FRAMACEACSL=`frama-c -print-share-path`/e-acsl@."; |
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(* EACSL version of library file . c *) |
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fprintf fmt "%s_eacsl.c: %s.c %s.h@." basename basename basename; |
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fprintf fmt |
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"\tframa-c -e-acsl-full-mmodel -machdep x86_64 -e-acsl %s.c -then-on e-acsl -print -ocode %s_eacsl.c@." |
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basename basename; |
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fprintf fmt "@."; |
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fprintf fmt "@."; |
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|
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(* EACSL version of library file . c + main .c *) |
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fprintf fmt "%s_main_eacsl.c: %s.c %s.h %s_main.c@." basename basename basename basename; |
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fprintf fmt "\tframa-c -e-acsl-full-mmodel -machdep x86_64 -e-acsl %s.c %s_main.c -then-on e-acsl -print -ocode %s_main_eacsl.i@." |
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basename basename basename; |
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(* Ugly hack to deal with eacsl bugs *) |
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fprintf fmt "\tgrep -v _fc_stdout %s_main_eacsl.i > %s_main_eacsl.c" basename basename; |
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fprintf fmt "@."; |
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fprintf fmt "@."; |
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|
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(* EACSL version of binary *) |
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fprintf fmt "%s_main_eacsl: %s_main_eacsl.c@." basename basename; |
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fprintf fmt "\t${GCC} -Wno-attributes -I${INC} -I. -c %s_main_eacsl.c@." basename; (* compiling instrumented lib + main *) |
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C_backend_makefile.fprintf_dependencies fmt dependencies; |
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fprintf fmt "\t${GCC} -Wno-attributes -o %s_main_eacsl io_frontend.o %a %s %s_main_eacsl.o %a@." |
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basename |
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(Utils.fprintf_list ~sep:" " (fun fmt (s, _, _) -> Format.fprintf fmt "%s.o" s)) |
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(C_backend_makefile.compiled_dependencies dependencies) |
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("${FRAMACEACSL}/e_acsl.c " |
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^ "${FRAMACEACSL}/memory_model/e_acsl_bittree.c " |
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^ "${FRAMACEACSL}/memory_model/e_acsl_mmodel.c") |
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basename |
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(Utils.fprintf_list ~sep:" " (fun fmt lib -> fprintf fmt "-l%s" lib)) |
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(C_backend_makefile.lib_dependencies dependencies) |
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; |
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fprintf fmt "@."; |
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|
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module MakefileMod = |
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struct |
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let other_targets = makefile_targets |
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|
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end |
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|
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(* Local Variables: *) |
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(* compile-command:"make -C ../../.." *) |
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(* End: *) |