Source file expand.ml
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(** EXPANSION : main
------------------------------------------------------------
L'expansion consiste essentiellement à construire 3 tables globales
indexées par des ident target :
- Table des variables (support) : elle contient les entrées/sorties
et les locales (cf. exist) remontées au top via un nommage unique.
- 2010/04/15 : pour faciliter le traitement des pre
(en particulier pour les exist avec init), on cree systematiquement
un ident pour les pre :
- Input/Output: (pre in/pre out) on crée un alias (e.g. prein = pre in)
NON (CA MARCHE PAS) - Local : (pre x) on crée une var support prex,
avec comme default "pre x"
- Local : il faut aussi un alias, mais plus compliqué car le pre
est potentiellement réinitialisé dans le support_scope.
L'idée est qu'on associe une variable spéciale booléenne associée
au support_scope soit enter_support_scope.
si la variable x a une valeur init (e), l'alias est :
pre_x = if enter_support_scope then e else pre x
sinon, c'est pas la peine, on peut avoir simplement :
pre_x = pre x
La variable enter_support_scope est une variable support avec
valeur par défaut "false", et qui est forcée à vrai
sur entrée dans le support_scope.
Problème : il faut se débrouiller pour ne créer le enter_support_scope
que si besoin !
ATTENTION : ne pas confondre "sscope" avec les scopes de l'expansion
- Table des alias : associe à des idents cible des expressions algébriques.
Les idents cible correpondent au instances de macros utilisées
dans le corps du node.
- Table des traces : à chaque trace nommée est associée une expression
de trace expansée.
----------------------------------------------------------*)
open Lexeme;;
open LutErrors;;
open Printf;;
open Syntaxe;;
open CkIdentInfo;;
open CoIdent;;
let dbg = Verbose.get_flag "Expand"
(**
L'info associée à une variable support contient sa nature,
l'expression algébrique associée (celle qui permet de faire
référence à la variable dans les expressions algébriques),
ainsi que la "pile" permettant le retour au source.
2010/04, rajout :
- éventuelle référence au pre
- éventuel support_scope
- éventuelle valeur initiale
- éventuelle valeur par défaut
*)
type support_nature =
Input
| Output
| LocalIn
| LocalOut
type support_info = {
si_ident : CoIdent.t ;
si_nature : support_nature ;
si_type : CkTypeEff.t ;
si_ref_exp : CoAlgExp.t ;
si_src : CoIdent.src_stack;
si_pre_ref_exp : CoAlgExp.t option ;
si_default : CoAlgExp.t option ;
si_scope : support_scope option ;
si_init : CoAlgExp.t option ;
si_range : (CoAlgExp.t * CoAlgExp.t) option;
}
and support_scope = {
sco_src : CoIdent.src_stack;
sco_escope : CoTraceExp.escope;
}
let new_support_scope (src : CoIdent.src_stack) = (
let res = {
sco_src = src;
sco_escope = CoTraceExp.new_escope () ;
}
in
res
)
(**
Alias : L'info contient le type, l'expression à utiliser pour faire
référence à l'alias, et celle qui correspond à sa définition
*)
type alias_info = {
ai_type : CkTypeEff.t;
ai_def_exp : CoAlgExp.t;
ai_ref_exp : CoAlgExp.t;
ai_src : CoIdent.src_stack
}
(**
Exception : pas grand chose à stocker : c'est juste un ident ...
*)
type except_info = {
ei_src : CoIdent.src_stack ;
}
(**
Externe : il s'agit surtout de garder l'info pour utilisation
ulterieure
*)
type extern_info = {
xi_decl : Syntaxe.let_info;
xi_prof : CkTypeEff.profile;
xi_src : Lexeme.t ;
}
type target_nat =
TN_support
| TN_alias
| TN_trace
| TN_except
open Util
module SrcIdentMap = struct
include Map.Make(struct type t = Syntaxe.ident let compare = compare end)
end
type t = {
nme : string;
idspace : CoIdent.space;
alist : CoIdent.t list;
inlist : CoIdent.t list;
outlist : CoIdent.t list;
locinlist : CoIdent.t list;
locoutlist : CoIdent.t list;
prelist : (CoIdent.t * support_info) list;
stab : support_info StringMap.t;
atab : alias_info StringMap.t;
ttab : trace_info StringMap.t;
etab : extern_info StringMap.t;
xtab : except_info StringMap.t;
runcpt : int;
runtab: t StringMap.t;
src2target : (target_nat * CoIdent.t) SrcIdentMap.t ;
mtrace : CoIdent.t;
gxlist : Syntaxe.except_info list;
}
and tbl = {
arg_opt: MainArg.t;
expanded_code: t;
in_vars: Exp.var list;
out_vars: Exp.var list;
loc_vars: Exp.var list;
init_pres: Value.OfIdent.t;
id2var_tab: Exp.var Util.StringMap.t;
out_var_names: string list;
bool_vars_to_gen: Exp.formula;
num_vars_to_gen: Exp.var list;
snt: Solver.t;
}
(**
Trace : L'info contient juste l'expression associée
à la définition.
*)
and trace_info = {
ti_def_exp : tbl CoTraceExp.t;
ti_src : CoIdent.src_stack ;
}
let get_run_expanded_code it rid = StringMap.find rid it.runtab
let new_empty_t nme mainid gxlist = {
nme = nme;
idspace = CoIdent.new_space ();
alist = [];
inlist = [];
outlist = [];
locinlist = [];
locoutlist = [];
prelist = [];
stab = StringMap.empty;
atab = StringMap.empty;
ttab = StringMap.empty;
etab = StringMap.empty;
gxlist = gxlist;
xtab = StringMap.empty;
runcpt = 0;
runtab = StringMap.empty;
src2target = SrcIdentMap.empty;
mtrace = mainid;
}
let add_run_instance: t -> string -> t -> string * t =
fun x nnme e ->
let runcpt = x.runcpt + 1 in
let inme = Printf.sprintf "%s_%02d" nnme runcpt in
let x = { x with
runcpt = runcpt;
runtab = StringMap.add inme e x.runtab;
}
in
inme, x
let src_decl_to_target_info (zeres:t) id =
SrcIdentMap.find id zeres.src2target
let src_decl_to_target_id (zeres:t) id =
snd (SrcIdentMap.find id zeres.src2target)
let src_ref_to_target_id (zeres:t) (env : CheckEnv.t) (id : Syntaxe.ident) = (
let info = CheckEnv.get_binding env id in
let id_decl = CkIdentInfo.def_ident info in
src_decl_to_target_id zeres id_decl
)
let add_support_target_id (zeres:t) (src: Syntaxe.ident) (tgt: CoIdent.t):t = (
{ zeres with src2target = SrcIdentMap.add src (TN_support, tgt) zeres.src2target }
)
let add_alias_target_id (zeres:t) (src: Syntaxe.ident) (tgt: CoIdent.t):t = (
Verbose.put ~flag:dbg " Add alias %s <- %s\n" (src.it) (CoIdent.to_string tgt);
{ zeres with src2target = SrcIdentMap.add src (TN_alias, tgt) zeres.src2target }
)
let add_trace_target_id (zeres:t) (src: Syntaxe.ident) (tgt: CoIdent.t):t = (
Verbose.put ~flag:dbg " Add trace %s <- %s\n" (src.it) (CoIdent.to_string tgt);
{ zeres with src2target = SrcIdentMap.add src (TN_trace, tgt) zeres.src2target }
)
let add_except_target_id (zeres:t) (src: Syntaxe.ident) (tgt: CoIdent.t):t = (
{ zeres with src2target = SrcIdentMap.add src (TN_except, tgt) zeres.src2target }
)
let set_ref_param (zeres: t) (env : CheckEnv.t) (pa_src: Syntaxe.ident)
(arg: Syntaxe.val_exp) : t =
match (arg.it) with
IDENT_n id -> (
let info = CheckEnv.get_binding env id in
let id_decl = CkIdentInfo.def_ident info in
let tgtid = match (src_decl_to_target_info zeres id_decl) with
(TN_support, ti) -> ti | _ -> assert false
in
add_support_target_id zeres pa_src tgtid
)
| _ -> assert false
let new_global_except (zeres: t) (ex: Syntaxe.ident) : t =
let tgtid = CoIdent.get ex.it in
let zeres = {
zeres with
xtab = StringMap.add tgtid { ei_src = CoIdent.base_stack () } zeres.xtab }
in
let zeres = add_except_target_id zeres ex tgtid in
zeres
let new_local_except (zeres:t) (ex: Syntaxe.ident) (sstack: CoIdent.scope_stack):t =
let tgtid = CoIdent.get_fresh zeres.idspace ex.it in
let src = CoIdent.get_src_stack ex.src sstack None in
let zeres = { zeres with
xtab = StringMap.add tgtid { ei_src = src } zeres.xtab
}
in
add_except_target_id zeres ex tgtid
let alg_exp_of_support_ref (zeres:t) tgtid =
(StringMap.find tgtid zeres.stab).si_ref_exp
(** Déclaration d'une entrée *)
let new_support_input (zeres: t) (init: CoAlgExp.t option)
(i : Syntaxe.ident) (te : CkTypeEff.t) (sstack : CoIdent.scope_stack):t =
let tgtid = CoIdent.get i.it in
let _ = try (
let oldinfo = StringMap.find tgtid zeres.stab in
let oldlxm = CoIdent.head_of_src_stack oldinfo.si_src in
let msg = "input ident already used at " ^
(lexeme_line_col oldlxm)
in
raise (Compile_error (i.src, msg))
) with Not_found -> ()
in
let src = CoIdent.get_src_stack i.src sstack None in
let zeres = {
zeres with
stab =
StringMap.add tgtid {
si_ident = tgtid ;
si_nature = Input ;
si_type = te;
si_ref_exp = CoAlgExp.of_support tgtid te false;
si_pre_ref_exp = None ;
si_src = src;
si_default = None;
si_scope = None;
si_init = init;
si_range = None;
} zeres.stab;
inlist = tgtid::zeres.inlist ;
}
in
add_support_target_id zeres i tgtid
(** Déclaration d'une sortie *)
let new_support_output
(zeres: t)
(init: CoAlgExp.t option)
(range_opt: (CoAlgExp.t * CoAlgExp.t) option)
(i : Syntaxe.ident)
(te : CkTypeEff.t)
(sstack : CoIdent.scope_stack) : t =
(
let tgtid = CoIdent.get i.it in
let _ = try (
let oldinfo = StringMap.find tgtid zeres.stab in
let oldlxm = CoIdent.head_of_src_stack oldinfo.si_src in
let msg = "output ident already used at " ^
(lexeme_line_col oldlxm)
in
raise (Compile_error (i.src, msg))
) with Not_found -> ()
in
let src = get_src_stack i.src sstack None in
let zeres = {
zeres with
stab =
StringMap.add tgtid {
si_ident = tgtid ;
si_nature = Output ;
si_type = te;
si_ref_exp = CoAlgExp.of_support tgtid te true;
si_pre_ref_exp = None ;
si_src = src;
si_default = None;
si_scope = None;
si_init = init;
si_range = range_opt;
} zeres.stab;
outlist = (tgtid) :: zeres.outlist ;
}
in
add_support_target_id zeres i tgtid
)
(** Déclaration d'une locale *)
let new_support_local (zeres: t) (nat: support_nature)
(scope: support_scope option) (init: CoAlgExp.t option)
(range_opt: (CoAlgExp.t * CoAlgExp.t) option)
(i : Syntaxe.ident) (te : CkTypeEff.t) (sstack : CoIdent.scope_stack)
: string * support_scope option * t =
let isout = (nat = LocalOut) in
let tgtid = CoIdent.get_fresh zeres.idspace i.it in
let src = get_src_stack i.src sstack None in
let zeres = {
zeres with
stab =
StringMap.add tgtid {
si_ident = tgtid;
si_nature = nat;
si_type = te;
si_ref_exp = CoAlgExp.of_support tgtid te isout;
si_pre_ref_exp = None ;
si_src = src;
si_default = None;
si_scope = scope;
si_init = init;
si_range = range_opt;
} zeres.stab;
locoutlist = if isout then (tgtid) :: zeres.locoutlist else zeres.locoutlist;
locinlist = if isout then zeres.locinlist else (tgtid) :: zeres.locinlist;
}
in
let scope = match scope with
| None -> None
| Some ctx ->
Some ( { ctx with
sco_escope = CoTraceExp.add_escope ctx.sco_escope (tgtid, init) })
in
let zeres = add_support_target_id zeres i tgtid in
tgtid, scope, zeres
let alg_exp_of_alias_ref zeres tgtid =
(StringMap.find tgtid zeres.atab).ai_ref_exp
let fresh_alias_id zeres s = ( CoIdent.get_fresh zeres.idspace s )
let create_alias (zeres: t)
(i : Syntaxe.ident) (tgtid : CoIdent.t ) (edef : CoAlgExp.t) (te : CkTypeEff.t )
(sstack : CoIdent.scope_stack) : t =
Verbose.exe ~flag:dbg (fun () -> Printf.printf " Create alias %s = %s\n type: %s\n"
(CoIdent.to_string tgtid)
(CoAlgExp.lus_dumps edef)
(CkTypeEff.to_string te));
assert (CkTypeEff.is_data te);
let src = get_src_stack i.src sstack None in
let ctrl = CoAlgExp.is_controlable edef in
let eref = CoAlgExp.of_alias tgtid te ctrl in
let zeres = { zeres with
atab = StringMap.add tgtid {
ai_type = te ;
ai_def_exp = edef ;
ai_ref_exp = eref ;
ai_src = src ;
} zeres.atab ;
alist = tgtid::(zeres.alist)
}
in
zeres
let new_alias (zeres: t) (i : Syntaxe.ident) (tgtid : CoIdent.t ) (edef : CoAlgExp.t)
(te : CkTypeEff.t ) (sstack : CoIdent.scope_stack) : t =
let zeres = create_alias zeres i tgtid edef te sstack in
add_alias_target_id zeres i tgtid
let new_pre_handler (id : CoIdent.t) (id_info : support_info) =
let te = id_info.si_type in
let pre_X = CoAlgExp.of_pre id te in
pre_X
let alg_exp_of_support_pre_ref (zeres: t) tgtid : CoAlgExp.t * t =
let zevar = StringMap.find tgtid zeres.stab in
match zevar.si_pre_ref_exp with
| Some pe -> pe, zeres
| None -> (
let pe = new_pre_handler tgtid zevar in
let zevar = { zevar with si_pre_ref_exp = Some pe } in
let zeres = { zeres with stab = StringMap.add tgtid zevar zeres.stab } in
pe, zeres
)
let fresh_trace_id zeres s = ( CoIdent.get_fresh zeres.idspace s )
let fixed_trace_id s = ( CoIdent.get s )
let create_trace (zeres: t) (i : Syntaxe.ident) (tgtid : CoIdent.t )
(edef : tbl CoTraceExp.t) (sstack : CoIdent.scope_stack)
: t =
let src = get_src_stack i.src sstack None in
{ zeres with
ttab = StringMap.add tgtid { ti_def_exp = edef; ti_src = src } zeres.ttab
}
let new_trace (zeres: t) (i : Syntaxe.ident) (tgtid : CoIdent.t )
(edef : tbl CoTraceExp.t) (sstack : CoIdent.scope_stack) :t =
let zeres = create_trace zeres i tgtid edef sstack in
add_trace_target_id zeres i tgtid
let add_used_extern (zeres: t) (info : CkIdentInfo.t) : t =
let id = (CkIdentInfo.def_ident info) in
if (StringMap.mem id.it zeres.etab) then zeres
else (
match CkIdentInfo.get_nature info with
External_func (Some leti, _, p) -> (
let ei = {
xi_decl = leti;
xi_prof = p;
xi_src = id.src
}
in
{ zeres with etab = StringMap.add id.it ei zeres.etab }
)
| _ -> assert false
)
let (dump_src_ctx : t -> string) =
fun x ->
(String.concat "\n"
(List.map
(fun id -> Lexeme.to_string id.src)
x.gxlist
))
let rec dump (x:t) = (
let dump_extern_info (tgt : string) (xi : extern_info) = (
printf "extern %s : %s" tgt
(CkTypeEff.prof_to_string xi.xi_prof) ;
printf "\n" ;
)
in
let dump_support_info (tgt : CoIdent.t) (si : support_info) = (
let ns = match si.si_nature with
| Input -> "Input"
| Output -> "Output"
| LocalIn -> "LocalIn"
| LocalOut -> "LocalOut"
in
printf "%s (%s):\n" (CoIdent.to_string tgt) ns ;
printf " type : %s\n" (CkTypeEff.to_string si.si_type);
printf " ref : "; CoAlgExp.dump si.si_ref_exp ;
printf "\n pre : ";
let _ = match si.si_pre_ref_exp with
| None -> printf "(never used)"
| Some e -> CoAlgExp.dump e
in
printf "\n dflt : ";
let _ = match si.si_default with
| None -> printf "(not defined)"
| Some e -> CoAlgExp.dump e
in
printf "\n init : ";
let _ = match si.si_init with
| None -> printf "(not defined)"
| Some e -> CoAlgExp.dump e
in
printf "\n range : ";
let _ = match si.si_range with
| None -> printf "(not defined)"
| Some (e1,e2) -> (
printf "[ ";
CoAlgExp.dump e1;
printf " ; ";
CoAlgExp.dump e2;
printf "]";
)
in
printf "\n src :\n" ;
CoIdent.print_src_stack si.si_src ;
printf "\n" ;
)
in
let dump_alias_info (tgt : CoIdent.t) (ai : alias_info) = (
printf "%s : %s = "
(CoIdent.to_string tgt) (CkTypeEff.to_string ai.ai_type);
CoAlgExp.dump ai.ai_def_exp ;
printf "\n";
CoIdent.print_src_stack ai.ai_src
)
in
let dump_trace_info (tgt : CoIdent.t) (ti : trace_info) = (
printf "%s = " (CoIdent.to_string tgt);
CoTraceExp.dump ti.ti_def_exp ;
printf "\n";
CoIdent.print_src_stack ti.ti_src
)
in
printf "$$$$$$$$$ INFO FOR %s $$$$$$$$$$\n" x.nme;
printf "--- EXTERN TABLE of %s\n" x.nme ;
StringMap.iter dump_extern_info x.etab;
printf "--- SUPPORT TABLE of %s\n" x.nme ;
StringMap.iter dump_support_info x.stab;
printf "--- ALIAS TABLE of %s\n" x.nme ;
StringMap.iter dump_alias_info x.atab;
printf "--- TRACE TABLE of %s\n" x.nme ;
StringMap.iter dump_trace_info x.ttab;
let dump_run_info id ex = (
printf "\n--- RUN TABLE of %s CONTAINS %s\n" x.nme id;
dump ex
) in
StringMap.iter dump_run_info x.runtab;
)
(** Expansion des identificateurs dans une expression algébriques
On 2 (+1) cas :
1) variable support ou paramètre formel :
Les deux cas sont similaires car ils correspondent aux
"feuilles" (on n'a rien à expanser).
Dans les deux cas, l'ident ``cible'' a été créé
un bonne fois pour toute à la déclaration (cf.
[[let]], [[exist]] etc).
On n'a rien à faire~: on renvoie l'expression
"cible" de référence déjà créée.
2) identificateur défini :
il s'agit d'un identificateur défini en amont
par un [[let x = e ...]]. Un tel identificateur
est expansé une seule fois, quand on rencontre
sa première référence. On traite (expanse)
alors récursivement sa définition, on crée
une entrée cible (alias ou trace suivant le type).
Si on rencontre une autre référence, on rend le résultat
déjà calculé.
3??) identificateur prédéfini :
Pour l'instant il n'y a rien de tel dans le langage
*)
let rec treat_exp_ident_ref (zeres: t) (env : CheckEnv.t) (sstack : scope_stack)
(id : Syntaxe.ident) : CoAlgExp.t * t
= (
let info = CheckEnv.get_binding env id in
if (CkIdentInfo.is_predef info) then (
CoAlgExp.of_const id.it (CkIdentInfo.get_type info), zeres
) else (
let id_decl = CkIdentInfo.def_ident info in
try (
match (src_decl_to_target_info zeres id_decl) with
| (TN_support, tgtid) -> (
alg_exp_of_support_ref zeres tgtid, zeres
)
| (TN_alias, tgtid) -> (
alg_exp_of_alias_ref zeres tgtid, zeres
)
| (TN_except, tgtid) -> raise (
Internal_error ("Expand.treat_exp_ident_ref",
"unexpected exception ident"^tgtid)
)
| (TN_trace, tgtid) -> raise (
Internal_error ("Expand.treat_exp_ident_ref",
"unexpected trace ident"^tgtid)
)
) with Not_found -> (
match (CkIdentInfo.get_nature info) with
Def_ident li -> (
let def = match li.lti_def with
Some d -> d
| _ -> assert false
in
let newscope = get_scope id_decl.src
(get_src_stack id.src sstack None) in
let edef,zeres = treat_exp zeres env newscope def in
let tgtid = fresh_alias_id zeres id.it in
let te = (CkIdentInfo.get_type info) in
let zeres = new_alias zeres id_decl tgtid edef te sstack in
alg_exp_of_alias_ref zeres tgtid, zeres
)
| _ -> (assert false)
)
)
)
and
treat_trace_ident_ref
(zeres: t)
(env : CheckEnv.t)
(sstack : scope_stack)
(id : Syntaxe.ident)
(e:Syntaxe.val_exp) : tbl CoTraceExp.t * t
= (
let info = CheckEnv.get_binding env id in
Verbose.put ~flag:dbg "treat_trace_ident_ref %s\n" (CkIdentInfo.to_string info);
if (CkIdentInfo.is_predef info) then (
assert false
) else (
let id_decl = CkIdentInfo.def_ident info in
try (
match (src_decl_to_target_info zeres id_decl) with
| (TN_trace, tgtid) -> (
CoTraceExp.of_ref tgtid, zeres
)
| (TN_support, tgtid) -> (
CoTraceExp.of_constraint (alg_exp_of_support_ref zeres tgtid)
(id.src, get_src_stack id.src sstack (Some e)), zeres
)
| (TN_alias, tgtid) -> (
CoTraceExp.of_constraint (alg_exp_of_alias_ref zeres tgtid)
(id.src, get_src_stack id.src sstack (Some e)), zeres
)
| (TN_except, _tgtid) -> (
assert false
)
) with Not_found -> (
match (CkIdentInfo.get_nature info) with
| Def_ident li -> (
let def = match li.lti_def with
Some d -> d
| _ -> assert false
in
let newscope = get_scope id_decl.src
(get_src_stack id.src sstack (Some e)) in
let edef, zeres = treat_trace zeres env newscope def in
let tgtid = fresh_trace_id zeres id.it in
let zeres = new_trace zeres id_decl tgtid edef sstack in
CoTraceExp.of_ref tgtid, zeres
)
| _ -> (
Printf.fprintf stderr
"unexpected ident:\n %s\n" (CkIdentInfo.to_string info);
assert false
)
)
)
)
and treat_exp_call
(zeres: t)
(env : CheckEnv.t)
(_e : Syntaxe.val_exp)
(sstack : scope_stack)
(id : Syntaxe.ident)
(args : Syntaxe.val_exp list)
(e : Syntaxe.val_exp) : CoAlgExp.t * t
= (
let info = CheckEnv.get_binding env id in
Verbose.put ~flag:dbg "treat_exp_call %s (%s)\n" (Lexeme.to_string id.src)
(CkIdentInfo.to_string info);
if (CkIdentInfo.is_predef info) then (
let aelist, zeres = List.fold_left
(fun (l,zeres) exp ->
let x,zeres = treat_exp zeres env sstack exp in
x::l, zeres
)
([],zeres)
args
in
let aelist = List.rev aelist in
(CoAlgExp.of_call
(CoIdent.from_string id.it) (CheckEnv.get_exp_type env e) aelist),
zeres
)
else if (CkIdentInfo.is_extern info) then (
let aelist,zeres = List.fold_left
(fun (l,zeres) e ->
let x, zeres = treat_exp zeres env sstack e in
x::l,zeres
)
([],zeres)
args
in
Verbose.put ~flag:dbg "Expand.treat_exp_call: external func \"%s\"\n" info.ii_name;
let zeres = add_used_extern zeres info in
let check_unctl esrc eexp =
if (CoAlgExp.is_controlable eexp) then (
Verbose.exe ~flag:dbg (fun () -> CoAlgExp.dumpf stderr eexp);
raise ( Compile_error (esrc.src,
"extern. func. arguments must be uncontrollable"))
);
in
List.iter2 check_unctl args aelist;
let ii = CheckEnv.get_ident_info env id in
match ii.ii_nature with
| External_func (_, Some ei, prof) ->
CoAlgExp.of_external_call
(CoIdent.from_string id.it)
ei
prof
(CheckEnv.get_exp_type env e)
aelist,
zeres
| External_func (_, None, _prof) ->
raise ( Compile_error (
id.src,
"don't know where to find external function, use -L option"
))
| _ -> assert false
) else (
let iddecl = CkIdentInfo.def_ident info in
let (params, def) = (
match (CkIdentInfo.get_nature info) with
| Macro_ident (Some li, _) -> (
match li.lti_inputs with
| Some tilst -> (
match li.lti_def with
| Some d ->
(tilst, d)
| None -> (assert false)
)
| _ -> (assert false)
) | _ -> assert false
) in
let newscope = get_scope iddecl.src (get_src_stack id.src sstack (Some e)) in
let postponed_aliases = ref [] in
let treat_param zeres (par : Syntaxe.ident * Syntaxe.type_exp)
(arg : Syntaxe.val_exp) = (
let pa_decl = fst par in
Verbose.put ~flag:dbg " treat_param %s\n" pa_decl.it;
let pa_type = snd par in
let te = CkTypeEff.of_texp pa_type in
if (CkTypeEff.is_ref te) then (
set_ref_param zeres env pa_decl arg
) else (
let pa_val, zeres = treat_exp zeres env sstack arg in
let pa_target = fresh_alias_id zeres pa_decl.it in
postponed_aliases := (pa_decl,pa_target)::!postponed_aliases;
create_alias zeres pa_decl pa_target pa_val te newscope
)
)
in
let zeres = List.fold_left2 treat_param zeres params args in
let zeres =
List.fold_left
(fun zeres (s,t) -> add_alias_target_id zeres s t)
zeres
!postponed_aliases
in
let edef, zeres = treat_exp zeres env newscope def in
let tgtid = fresh_alias_id zeres id.it in
let te = (CkIdentInfo.get_type info) in
let zeres = new_alias zeres id tgtid edef te sstack in
alg_exp_of_alias_ref zeres tgtid, zeres
)
)
and
treat_trace_call
(zeres: t)
(env : CheckEnv.t)
(_e : Syntaxe.val_exp)
(sstack : scope_stack)
(id : Syntaxe.ident)
(args : Syntaxe.val_exp list)
(e : Syntaxe.val_exp) : tbl CoTraceExp.t * t
= (
let info = CheckEnv.get_binding env id in
Verbose.put ~flag:dbg "treat_trace_call %s (%s)\n"
(Lexeme.to_string id.src) (CkIdentInfo.to_string info);
if ( (CkIdentInfo.is_predef info) || (CkIdentInfo.is_extern info)) then (
let aelist,zeres =
List.fold_left (fun (aelist,zeres) e ->
let x, zeres = treat_exp zeres env sstack e in
x::aelist, zeres
)
([],zeres)
args
in
let aelist = List.rev aelist in
let zeres = if (CkIdentInfo.is_extern info) then
let zeres = add_used_extern zeres info in
let check_unctl esrc eexp =
if (CoAlgExp.is_controlable eexp) then (
raise ( Compile_error (esrc.src,
"extern. func. arguments must be uncontrollable"))
);
in
List.iter2 check_unctl args aelist;
zeres
else zeres
in
let ae = CoAlgExp.of_call
(CoIdent.from_string id.it)
(CheckEnv.get_exp_type env e)
aelist
in
CoTraceExp.of_constraint ae (id.src, get_src_stack id.src sstack (Some e)), zeres
) else (
let iddecl = CkIdentInfo.def_ident info in
let (params, def) = (
match (CkIdentInfo.get_nature info) with
| Macro_ident (Some li, _) -> (
match li.lti_inputs with
| Some tilst -> (
match li.lti_def with
| Some d -> (tilst, d)
| None -> (assert false)
)
| _ -> (assert false)
) | _ -> assert false
) in
let newscope = get_scope iddecl.src (get_src_stack id.src sstack (Some e)) in
let postponed_aliases = ref [] in
let postponed_traces = ref [] in
let treat_param zeres
(pa : Syntaxe.ident * Syntaxe.type_exp)
(arg : Syntaxe.val_exp) : t
= (
let pa_decl = fst pa in
let pa_type = snd pa in
let te = CkTypeEff.of_texp pa_type in
if (CkTypeEff.is_ref te) then (
set_ref_param zeres env pa_decl arg
) else (
if (te = CkTypeEff.trace) then (
let pa_val, zeres = treat_trace zeres env sstack arg in
let pa_target = fresh_trace_id zeres pa_decl.it in
postponed_traces := (pa_decl,pa_target)::!postponed_traces;
let zeres = new_trace zeres pa_decl pa_target pa_val newscope in
zeres
) else (
let pa_val,zeres = treat_exp zeres env sstack arg in
let pa_target = fresh_alias_id zeres pa_decl.it in
postponed_aliases := (pa_decl,pa_target)::!postponed_aliases;
create_alias zeres pa_decl pa_target pa_val te newscope
)
)
)
in
let zeres = List.fold_left2 treat_param zeres params args in
let zeres =
List.fold_left
(fun zeres (s,t) -> add_alias_target_id zeres s t)
zeres
!postponed_aliases
in
let zeres =
List.fold_left (fun zeres (s,t) -> add_trace_target_id zeres s t)
zeres
!postponed_traces
in
let te = (CkIdentInfo.get_type info) in
if (te = CkTypeEff.trace) then (
let edef,zeres = treat_trace zeres env newscope def in
let tgtid = fresh_trace_id zeres id.it in
let zeres = new_trace zeres id tgtid edef
(e.src, get_src_stack e.src sstack (Some e))
in
CoTraceExp.of_ref tgtid, zeres
) else (
let edef,zeres = treat_exp zeres env newscope def in
let tgtid = fresh_alias_id zeres id.it in
let zeres = new_alias zeres id tgtid edef te sstack in
CoTraceExp.of_constraint(alg_exp_of_alias_ref zeres tgtid) newscope, zeres
)
)
)
and
treat_exp (zeres: t) (env : CheckEnv.t) (sstack : scope_stack) (e : Syntaxe.val_exp)
: CoAlgExp.t * t
= (
match e.it with
| TRUE_n -> CoAlgExp.of_true, zeres
| FALSE_n -> CoAlgExp.of_false, zeres
| ICONST_n id -> (CoAlgExp.of_iconst id.it), zeres
| RCONST_n id -> (CoAlgExp.of_rconst id.it), zeres
| PRE_n id -> (
let info = CheckEnv.get_binding env id in
let id_decl = CkIdentInfo.def_ident info in
let tgtid = src_decl_to_target_id zeres id_decl in
alg_exp_of_support_pre_ref zeres tgtid
)
| IDENT_n id -> (
treat_exp_ident_ref zeres env sstack id
)
| LET_n (_, e) -> (
treat_exp zeres env sstack e
)
| CALL_n (id, args) -> (
treat_exp_call zeres env e sstack id args e
)
| EXIST_n _
| RUN_n _
| ERUN_n _
| EXCEPT_n _
| FBY_n _
| CHOICE_n _
| PRIO_n _
| PARA_n _
| LOOP_n _
| LOOPI_n _
| LOOPA_n _
| RAISE_n _
| TRY_n _
| CATCH_n _
| TRAP_n _
| ASSERT_n _ -> raise (
Internal_error ("Compile.treat_exp","unexpected case")
)
)
and
eval_init_in_var_decl
(zeres: t)
(env : CheckEnv.t)
(sstack : scope_stack)
(i, t, vopt, range_opt) =
(
let range_exp, zeres =
(match range_opt with
| None -> None, zeres
| Some (low, high) ->
let low_exp,zeres = treat_exp zeres env sstack low in
let high_exp,zeres = treat_exp zeres env sstack high in
if (CoAlgExp.is_controlable low_exp) then (
raise ( Compile_error (i.src, "range values should not be controllable"))
) else
if (CoAlgExp.is_controlable high_exp) then (
raise ( Compile_error (i.src, "range values should not be controllable"))
) else Some(low_exp, high_exp), zeres
)
in
let iexp, zeres = match vopt with
| None -> (
None, zeres
)
| Some e -> (
let res, zeres = treat_exp zeres env sstack e in
if (CoAlgExp.is_controlable res) then (
raise ( Compile_error (i.src, "init values should not be controllable"))
) else Some res, zeres
)
in
let te = CkTypeEff.of_texp t in
(i, te, iexp, range_exp), zeres
)
and
eval_init_in_run_decl
(zeres: t)
(env : CheckEnv.t)
(sstack : scope_stack)
(i, _topt, vopt)
te
=
let iexp, zeres = match vopt with
| None -> None, zeres
| Some e -> (
let res, zeres = treat_exp zeres env sstack e in
if (CoAlgExp.is_controlable res) then (
raise ( Compile_error (i.src, "init values should not be controllable"))
) else Some res, zeres
)
in
(i, te, iexp, None), zeres
and
treat_trace (zeres: t) (env : CheckEnv.t) (sstack : scope_stack) (e : Syntaxe.val_exp)
: tbl CoTraceExp.t * t
= (
match e.it with
| TRUE_n
| FALSE_n
| PRE_n _ -> (
let ae,zeres = treat_exp zeres env sstack e in
CoTraceExp.of_constraint ae (e.src, get_src_stack e.src sstack (Some e)), zeres
)
| ICONST_n _id
| RCONST_n _id ->
raise (Internal_error ("Compile.treat_trace", "trace exp expected"))
| LET_n (_, e) -> (
treat_trace zeres env sstack e
)
| IDENT_n id -> (
treat_trace_ident_ref zeres env sstack id e
)
| CALL_n (id, args) -> (
treat_trace_call zeres env e sstack id args e
)
| EXIST_n (idlst,ee) -> (
let newidlist, zeres =
List.fold_left (fun (l,zeres) a ->
let x,zeres = eval_init_in_var_decl zeres env sstack a in
x::l,zeres
)
([], zeres)
idlst
in
let newidlist = List.rev newidlist in
let src_scope = CoIdent.get_src_stack e.src sstack (Some e) in
let zescope = new_support_scope src_scope in
let f (zescope_opt, zeres) (i, t, ivopt, range_opt) =
let (_, zescope_opt, zeres) =
new_support_local zeres LocalOut zescope_opt ivopt range_opt i t sstack
in
(zescope_opt, zeres)
in
let (zescope_opt, zeres) = List.fold_left f (Some zescope, zeres) newidlist in
let zescope = match zescope_opt with Some sc -> sc | None -> assert false in
let res, zeres = treat_trace zeres env sstack ee in
CoTraceExp.of_exist zescope.sco_escope res, zeres
)
| ERUN_n (varlist, edef, e1) -> (
match edef.it with
| CALL_n (id, elst) -> (
match (CheckEnv.nature_of_ident env id) with
| Node_ident (Some ni, _prof) -> (
let recexpand = treat_node env ni zeres.gxlist in
let instanceid, zeres = add_run_instance zeres id.it recexpand in
let eval_arg (l,zeres) e =
let ce,zeres = treat_exp zeres env sstack e in
if (CoAlgExp.is_controlable ce) then (
raise (Compile_error (e.src, "erun args sould not be controllable"))
);
ce::l,
zeres
in
let args,zeres = List.fold_left eval_arg ([],zeres) elst in
let args = List.rev args in
let outtypes =
CkTypeEff.tuple_to_data_list (CheckEnv.get_exp_type env edef)
in
let newvarlist, zeres =
List.fold_left2 (fun (l,zeres) v o ->
let x,zeres = eval_init_in_run_decl zeres env sstack v o in
x::l, zeres
)
([],zeres)
varlist outtypes
in
let newvarlist = List.rev newvarlist in
let src_scope = CoIdent.get_src_stack e.src sstack (Some e) in
let zescope = new_support_scope src_scope in
let f (zeres,zescope_opt) (i, t, ivopt, range_opt) =
let (_,zescope_opt,zeres) =
new_support_local zeres LocalIn zescope_opt ivopt
range_opt i t sstack
in
zeres,zescope_opt
in
let zeres,zescope_opt =
List.fold_left f (zeres,Some zescope) newvarlist
in
let zescope = match zescope_opt with
Some sc -> sc | None -> assert false
in
let res, zeres = treat_trace zeres env sstack e1 in
CoTraceExp.of_erun instanceid zescope.sco_escope args res , zeres
)
| _ -> (
raise (Compile_error (e.src,
"identifier "^id.it^" cannot be used in run statement"))
)
)
| _ -> raise (Compile_error
(edef.src, "only node calls are supported in run statement"))
)
| RUN_n (idlist, edef, e1opt) -> (
match edef.it with
| CALL_n (id, elst) -> (
match (CheckEnv.nature_of_ident env id) with
| Node_ident (Some ni, _prof) -> (
let recexpand = treat_node env ni zeres.gxlist in
let instanceid,zeres = add_run_instance zeres id.it recexpand in
let eval_arg (cel,zeres) e =
let ce,zeres = treat_exp zeres env sstack e in
if (CoAlgExp.is_controlable ce) then (
raise ( Compile_error (e.src, "run args sould not be controllable"))
);
ce::cel, zeres
in
let args,zeres = List.fold_left eval_arg ([],zeres) elst in
let args = List.rev args in
let src_scope = CoIdent.get_src_stack e.src sstack (Some e) in
let zescope = new_support_scope src_scope in
let treat_res_id (l, zeres, zescope) id = (
let info = CheckEnv.get_binding env id in
let id_decl = CkIdentInfo.def_ident info in
let res, zeres, zescope =
match (src_decl_to_target_info zeres id_decl) with
| (TN_support, tgtid) -> (
let curbinding = StringMap.find tgtid zeres.stab in
if (not (CoAlgExp.is_controlable curbinding.si_ref_exp)) then (
raise (Compile_error(id.src,"run result must be controllable"))
) ;
let init,zeres = alg_exp_of_support_pre_ref zeres tgtid in
let tgtid', zescope, zeres =
new_support_local zeres LocalIn zescope
(Some init) None id curbinding.si_type sstack
in
let newbinding = StringMap.find tgtid' zeres.stab in
CoAlgExp.of_eq curbinding.si_ref_exp newbinding.si_ref_exp,
zeres,
zescope
)
| _ -> assert false
in
res::l, zeres, zescope
)
in
let zeconstraints, zeres, zescope =
(List.fold_left treat_res_id ([],zeres, Some zescope) idlist)
in
let zeconstraint = CoAlgExp.of_big_and zeconstraints in
let res,zeres = match e1opt with
| Some e1 ->
treat_trace zeres env sstack e1
| None ->
CoTraceExp.of_loop (CoTraceExp.of_constraint (CoAlgExp.of_true)
(sstack)), zeres
in
let zescope = match zescope with Some x -> x | None -> assert false in
CoTraceExp.of_run instanceid zeconstraint zescope.sco_escope args res
(edef.src, get_src_stack e.src sstack (Some e)), zeres
)
| _ -> (
raise (Compile_error (
e.src, "identifier "^id.it^" cannot be used in run statement"))
)
)
| _ -> raise (Compile_error
(edef.src, "only node calls are supported in run statement"))
)
| FBY_n (e1,e2) -> (
let arg1, zeres = treat_trace zeres env sstack e1 in
let arg2, zeres = treat_trace zeres env sstack e2 in
CoTraceExp.of_fby arg1 arg2, zeres
)
| PRIO_n elst -> (
let args, zeres =
List.fold_left (fun (l,zeres) trace ->
let x,zeres = treat_trace zeres env sstack trace in
x::l,zeres
)
([], zeres)
elst
in
let args = List.rev args in
CoTraceExp.of_prio args, zeres
)
| PARA_n elst -> (
let args, zeres = List.fold_left (fun (l,zeres) trace ->
let x,zeres = treat_trace zeres env sstack trace in
x::l,zeres
)
([],zeres)
elst
in
let args = List.rev args in
CoTraceExp.of_para args, zeres
)
| CHOICE_n chargs -> (
let doit (l,zeres) (et, ewo) =
let tres, zeres = treat_trace zeres env sstack et in
let wres = match ewo with
None -> None
| Some ew -> (
let wval,_zeres = treat_exp zeres env sstack ew.it in
if (CoAlgExp.is_controlable wval) then (
raise ( Compile_error (ew.src, "weights sould not be controllable"))
) else Some wval
)
in
(tres, wres)::l, zeres
in
let choices, zeres = List.fold_left doit ([], zeres) chargs in
let choices = List.rev choices in
CoTraceExp.of_choice choices, zeres
)
| LOOP_n (f,ee) -> (
let arg, zeres = treat_trace zeres env sstack ee in
match f with
| Weak -> CoTraceExp.of_loop arg, zeres
| Strong -> CoTraceExp.of_omega arg, zeres
)
| LOOPI_n (emin,emax,ee) -> (
let minres,zeres = treat_exp zeres env sstack emin in
let maxres,zeres = treat_exp zeres env sstack emax in
let eres,zeres = treat_trace zeres env sstack ee in
if (CoAlgExp.is_controlable minres) then (
raise ( Compile_error (emin.src, "loop params sould not be controllable"))
) else if (CoAlgExp.is_controlable maxres) then (
raise ( Compile_error (emax.src, "loop params sould not be controllable"))
) else (
CoTraceExp.of_loopi minres maxres eres
(ee.src, get_src_stack ee.src sstack (Some e)), zeres
)
)
| LOOPA_n (emoy,Some eect,ee) -> (
let moyres,zeres = treat_exp zeres env sstack emoy in
let ectres,zeres = treat_exp zeres env sstack eect in
let eres,zeres = treat_trace zeres env sstack ee in
if (CoAlgExp.is_controlable moyres) then (
raise ( Compile_error (emoy.src, "loop params sould not be controllable"))
) else if (CoAlgExp.is_controlable ectres) then (
raise ( Compile_error (eect.src, "loop params sould not be controllable"))
) else (
CoTraceExp.of_loopa moyres (Some ectres) eres
(ee.src, get_src_stack ee.src sstack (Some e)), zeres
)
)
| LOOPA_n (emoy,None,ee) -> (
let moyres,zeres = treat_exp zeres env sstack emoy in
let eres,zeres = treat_trace zeres env sstack ee in
if (CoAlgExp.is_controlable moyres) then (
raise ( Compile_error (emoy.src, "loop params sould not be controllable"))
) else (
CoTraceExp.of_loopa moyres None eres
(ee.src, get_src_stack ee.src sstack (Some e)), zeres
)
)
| ASSERT_n (f,c,ee) -> (
let cres,zeres = treat_exp zeres env sstack c in
let eres,zeres = treat_trace zeres env sstack ee in
match f with
| Weak -> CoTraceExp.of_assert cres eres
(ee.src, get_src_stack ee.src sstack (Some e)), zeres
| Strong -> CoTraceExp.of_strong_assert cres eres
(ee.src, get_src_stack ee.src sstack (Some e)), zeres
)
| RAISE_n id -> (
let tgtid = src_ref_to_target_id zeres env id in
CoTraceExp.of_raise (CoIdent.to_string tgtid) , zeres
)
| EXCEPT_n (exlst,ee) -> (
let f zeres ex = new_local_except zeres ex sstack in
let zeres = List.fold_left f zeres exlst in
treat_trace zeres env sstack ee
)
| TRY_n (e1, e2opt) -> (
let r1, zeres = treat_trace zeres env sstack e1 in
let r2opt, zeres = match e2opt with
None -> None, zeres
| Some e2 ->
let trace, zeres = treat_trace zeres env sstack e2 in
Some trace, zeres
in
CoTraceExp.of_try r1 r2opt, zeres
)
| CATCH_n (id, e1, e2opt) -> (
let tgtid = src_ref_to_target_id zeres env id in
let tgtstr = (CoIdent.to_string tgtid) in
let r1, zeres = treat_trace zeres env sstack e1 in
let r2opt, zeres = match e2opt with
None -> None, zeres
| Some e2 ->
let trace, zeres = treat_trace zeres env sstack e2 in
Some trace, zeres
in
if (tgtstr = LutPredef.kw_deadlock) then
CoTraceExp.of_try r1 r2opt, zeres
else
CoTraceExp.of_catch tgtstr r1 r2opt, zeres
)
| TRAP_n (id, e1, e2opt) -> (
let zeres = new_local_except zeres id sstack in
let tgtid = src_ref_to_target_id zeres env id in
let tgtstr = (CoIdent.to_string tgtid) in
let r1, zeres = treat_trace zeres env sstack e1 in
let r2opt, zeres = match e2opt with
None -> None, zeres
| Some e2 ->
let trace,zeres = treat_trace zeres env sstack e2 in
Some trace, zeres
in
if (tgtstr = LutPredef.kw_deadlock) then
CoTraceExp.of_try r1 r2opt, zeres
else
CoTraceExp.of_catch tgtstr r1 r2opt, zeres
)
)
and treat_node (env : CheckEnv.t) (ni : Syntaxe.node_info)
(gxlist: Syntaxe.except_info list) : t =
let n = ni.ndi_ident.it in
let mainid = (fixed_trace_id n) in
let zeres = new_empty_t n mainid gxlist in
let zeres = List.fold_left new_global_except zeres gxlist in
let nodelxm = ni.ndi_ident.src in
let sstack = CoIdent.main_scope nodelxm in
let f (l,zeres) a =
let x,zeres = eval_init_in_var_decl zeres env sstack a in
x::l,zeres
in
let inlist, zeres = List.fold_left f ([], zeres) ni.ndi_inputs in
let inlist = List.rev inlist in
let add_input zeres (i, t, vopt, _range_opt) =
new_support_input zeres vopt i t sstack
in
let zeres = List.fold_left add_input zeres inlist in
let outlist, zeres = List.fold_left f ([], zeres) (ni.ndi_outputs) in
let outlist = List.rev outlist in
let add_output zeres (i, t, vopt, range_opt) =
new_support_output zeres vopt range_opt i t sstack
in
let zeres = List.fold_left add_output zeres outlist in
let maintrace, zeres = treat_trace zeres env sstack ni.ndi_def in
let zeres = new_trace zeres ni.ndi_ident mainid maintrace sstack in
let pl = StringMap.fold
(fun id si acc -> match si.si_pre_ref_exp with
| None -> acc
| Some _ -> (id,si)::acc )
zeres.stab
[]
in
let zeres = {
zeres with
prelist = pl;
alist = List.rev zeres.alist;
inlist = List.rev zeres.inlist;
outlist = List.rev zeres.outlist;
locoutlist = List.rev zeres.locoutlist;
locinlist = List.rev zeres.locinlist;
}
in
zeres
let node_name (x:t) = x.nme
(** accès aux résultats *)
let support_pres (x:t) = x.prelist
let support_tab (x:t) = x.stab
let alias_tab (x:t) = x.atab
let alias_list (x:t) = x.alist
let input_list (x:t) = x.inlist
let output_list (x:t) = x.outlist
let local_in_list (x:t) = x.locinlist
let local_out_list (x:t) = x.locoutlist
let trace_tab (x:t) = x.ttab
let extern_tab (x:t) = x.etab
let main_trace (x:t) = x.mtrace
let ident_space (x:t) = x.idspace
let get_trace_info it id = StringMap.find id it.ttab
let make (env : CheckEnv.t) (p : Syntaxe.package) (n : string) : t = (
let ni =
try Syntaxe.pack_get_node p n
with Not_found -> raise (
Global_error (sprintf "node \"%s\" not found" n)
)
in
treat_node env ni (Syntaxe.pack_except_list p)
)