Add argument for out variable name
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c36ab43ab1
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800882B66C0C3326
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@ -224,6 +224,7 @@ let rec assoc_type_lhs lhs var_env = match lhs with
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| _ -> Error.message no_location Error.Ederef_not_pointer)
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| CLfield(CLderef (CLvar "self"), { name = x }) -> assoc_type x var_env
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| CLfield(CLderef (CLvar "_out"), { name = x }) -> assoc_type x var_env
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(* FIXME(Arduino): do we have to do something here? *)
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| CLfield(x, f) ->
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let ty = assoc_type_lhs x var_env in
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let n = struct_name ty in
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@ -300,18 +301,18 @@ let rec cexpr_of_static_exp se =
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| Stuple _ -> Misc.internal_error "cgen: static tuple"
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(** [cexpr_of_exp exp] translates the Obj action [exp] to a C expression. *)
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and cexpr_of_exp out_env var_env exp =
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and cexpr_of_exp out out_env var_env exp =
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match exp.e_desc with
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| Eextvalue w -> cexpr_of_ext_value out_env var_env w
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| Eextvalue w -> cexpr_of_ext_value out out_env var_env w
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(* Operators *)
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| Eop(op, exps) -> cop_of_op out_env var_env op exps
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| Eop(op, exps) -> cop_of_op out out_env var_env op exps
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(* Structure literals. *)
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| Estruct (tyn, fl) ->
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let cexpr = cexpr_of_exp out_env var_env in
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let cexpr = cexpr_of_exp out out_env var_env in
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let cexps_assoc = List.rev_map (fun (f, e) -> f, cexpr e) fl in
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cexpr_of_struct tyn cexps_assoc
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| Earray e_list ->
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Carraylit (cexprs_of_exps out_env var_env e_list)
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Carraylit (cexprs_of_exps out out_env var_env e_list)
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and cexpr_of_struct tyn cexps_assoc =
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let cexps = List.fold_left
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@ -320,8 +321,8 @@ and cexpr_of_struct tyn cexps_assoc =
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(* Reverse `cexps' here because of the previous use of `List.fold_left'. *)
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Cstructlit (cname_of_qn tyn, List.rev cexps)
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and cexprs_of_exps out_env var_env exps =
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List.map (cexpr_of_exp out_env var_env) exps
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and cexprs_of_exps out out_env var_env exps =
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List.map (cexpr_of_exp out out_env var_env) exps
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and cop_of_op_aux op_name cexps = match op_name with
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| { qual = Pervasives; name = op } ->
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@ -345,17 +346,17 @@ and cop_of_op_aux op_name cexps = match op_name with
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Cfun_call("fprintf", file::s::args)
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| { name = op } -> Cfun_call(op,cexps)
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and cop_of_op out_env var_env op_name exps =
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let cexps = cexprs_of_exps out_env var_env exps in
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and cop_of_op out out_env var_env op_name exps =
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let cexps = cexprs_of_exps out out_env var_env exps in
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cop_of_op_aux op_name cexps
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and clhs_of_pattern out_env var_env l = match l.pat_desc with
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and clhs_of_pattern out out_env var_env l = match l.pat_desc with
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(* Each Obc variable corresponds to a real local C variable. *)
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| Lvar v ->
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let n = name v in
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let n_lhs =
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if IdentSet.mem v out_env
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then CLfield (CLderef (CLvar "_out"), local_qn n)
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then CLfield (CLderef (CLvar out), local_qn n)
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else CLvar n
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in
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@ -370,21 +371,21 @@ and clhs_of_pattern out_env var_env l = match l.pat_desc with
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(* Dereference our [self] struct holding the node's memory. *)
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| Lmem v -> CLfield (CLderef (CLvar "self"), local_qn (name v))
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(* Field access. /!\ Indexed Obj expression should be a valid lhs! *)
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| Lfield (l, fn) -> CLfield(clhs_of_pattern out_env var_env l, fn)
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| Lfield (l, fn) -> CLfield(clhs_of_pattern out out_env var_env l, fn)
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| Larray (l, idx) ->
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CLarray(clhs_of_pattern out_env var_env l,
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cexpr_of_exp out_env var_env idx)
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CLarray(clhs_of_pattern out out_env var_env l,
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cexpr_of_exp out out_env var_env idx)
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and clhs_list_of_pattern_list out_env var_env lhss =
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List.map (clhs_of_pattern out_env var_env) lhss
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and clhs_list_of_pattern_list out out_env var_env lhss =
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List.map (clhs_of_pattern out out_env var_env) lhss
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and cexpr_of_pattern out_env var_env l = match l.pat_desc with
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and cexpr_of_pattern out out_env var_env l = match l.pat_desc with
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(* Each Obc variable corresponds to a real local C variable. *)
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| Lvar v ->
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let n = name v in
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let n_lhs =
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if IdentSet.mem v out_env
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then Cfield (Cderef (Cvar "_out"), local_qn n)
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then Cfield (Cderef (Cvar out), local_qn n)
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else Cvar n
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in
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@ -399,19 +400,19 @@ and cexpr_of_pattern out_env var_env l = match l.pat_desc with
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(* Dereference our [self] struct holding the node's memory. *)
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| Lmem v -> Cfield (Cderef (Cvar "self"), local_qn (name v))
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(* Field access. /!\ Indexed Obj expression should be a valid lhs! *)
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| Lfield (l, fn) -> Cfield(cexpr_of_pattern out_env var_env l, fn)
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| Lfield (l, fn) -> Cfield(cexpr_of_pattern out out_env var_env l, fn)
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| Larray (l, idx) ->
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Carray(cexpr_of_pattern out_env var_env l,
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cexpr_of_exp out_env var_env idx)
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Carray(cexpr_of_pattern out out_env var_env l,
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cexpr_of_exp out out_env var_env idx)
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and cexpr_of_ext_value out_env var_env w = match w.w_desc with
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and cexpr_of_ext_value out out_env var_env w = match w.w_desc with
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| Wconst c -> cexpr_of_static_exp c
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(* Each Obc variable corresponds to a plain local C variable. *)
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| Wvar v ->
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let n = name v in
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let n_lhs =
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if IdentSet.mem v out_env
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then Cfield (Cderef (Cvar "_out"), local_qn n)
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then Cfield (Cderef (Cvar out), local_qn n)
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else Cvar n
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in
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@ -425,10 +426,10 @@ and cexpr_of_ext_value out_env var_env w = match w.w_desc with
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(* Dereference our [self] struct holding the node's memory. *)
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| Wmem v -> Cfield (Cderef (Cvar "self"), local_qn (name v))
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(* Field access. /!\ Indexed Obj expression should be a valid lhs! *)
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| Wfield (l, fn) -> Cfield(cexpr_of_ext_value out_env var_env l, fn)
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| Wfield (l, fn) -> Cfield(cexpr_of_ext_value out out_env var_env l, fn)
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| Warray (l, idx) ->
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Carray(cexpr_of_ext_value out_env var_env l,
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cexpr_of_exp out_env var_env idx)
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Carray(cexpr_of_ext_value out out_env var_env l,
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cexpr_of_exp out out_env var_env idx)
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let rec assoc_obj instance obj_env =
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match obj_env with
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@ -451,7 +452,7 @@ let out_var_name_of_objn o =
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(** Creates the list of arguments to call a node. [targeting] is the targeting
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of the called node, [mem] represents the node context and [args] the
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argument list.*)
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let step_fun_call out_env var_env sig_info objn out args =
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let step_fun_call out_v out_env var_env sig_info objn out args =
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let rec add_targeting l ads = match l, ads with
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| [], [] -> []
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| e::l, ad::ads ->
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@ -469,7 +470,8 @@ let step_fun_call out_env var_env sig_info objn out args =
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let f = Cfield (Cderef (Cvar "self"), local_qn (name o)) in
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let rec mk_idx pl = match pl with
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| [] -> f
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| p::pl -> Carray (mk_idx pl, cexpr_of_pattern out_env var_env p)
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| p::pl ->
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Carray (mk_idx pl, cexpr_of_pattern out_v out_env var_env p)
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in
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mk_idx l
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) in
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@ -494,7 +496,7 @@ let generate_function_call out_env var_env obj_env outvl objn args =
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else
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(* The step function takes scalar arguments and its own internal memory
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holding structure. *)
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let args = step_fun_call out_env var_env sig_info objn out args in
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let args = step_fun_call "_out" out_env var_env sig_info objn out args in
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(* Our C expression for the function call. *)
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Cfun_call (classn ^ "_step", args)
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in
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@ -552,23 +554,23 @@ let rec create_affect_const var_env (dest : clhs) c =
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(** [cstm_of_act obj_env mods act] translates the Obj action [act] to a list of
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C statements, using the association list [obj_env] to map object names to
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class names. *)
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let rec cstm_of_act out_env var_env obj_env act =
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let rec cstm_of_act out out_env var_env obj_env act =
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match act with
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(* Cosmetic : cases on boolean values are converted to if statements. *)
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| Acase (c, [({name = "true"}, te); ({ name = "false" }, fe)])
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| Acase (c, [({name = "false"}, fe); ({ name = "true"}, te)]) ->
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let cc = cexpr_of_exp out_env var_env c in
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let cte = cstm_of_act_list out_env var_env obj_env te in
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let cfe = cstm_of_act_list out_env var_env obj_env fe in
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let cc = cexpr_of_exp out out_env var_env c in
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let cte = cstm_of_act_list out out_env var_env obj_env te in
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let cfe = cstm_of_act_list out out_env var_env obj_env fe in
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[Cif (cc, cte, cfe)]
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| Acase (c, [({name = "true"}, te)]) ->
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let cc = cexpr_of_exp out_env var_env c in
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let cte = cstm_of_act_list out_env var_env obj_env te in
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let cc = cexpr_of_exp out out_env var_env c in
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let cte = cstm_of_act_list out out_env var_env obj_env te in
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let cfe = [] in
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[Cif (cc, cte, cfe)]
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| Acase (c, [({name = "false"}, fe)]) ->
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let cc = Cuop ("!", (cexpr_of_exp out_env var_env c)) in
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let cte = cstm_of_act_list out_env var_env obj_env fe in
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let cc = Cuop ("!", (cexpr_of_exp out out_env var_env c)) in
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let cte = cstm_of_act_list out out_env var_env obj_env fe in
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let cfe = [] in
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[Cif (cc, cte, cfe)]
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@ -582,36 +584,36 @@ let rec cstm_of_act out_env var_env obj_env act =
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let ccl =
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List.map
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(fun (c,act) -> cname_of_qn c,
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cstm_of_act_list out_env var_env obj_env act) cl in
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[Cswitch (cexpr_of_exp out_env var_env e, ccl)]
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cstm_of_act_list out out_env var_env obj_env act) cl in
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[Cswitch (cexpr_of_exp out out_env var_env e, ccl)]
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| Ablock b ->
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cstm_of_act_list out_env var_env obj_env b
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cstm_of_act_list out out_env var_env obj_env b
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(* For composition of statements, just recursively apply our
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translation function on sub-statements. *)
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| Afor ({ v_ident = x }, i1, i2, act) ->
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[Cfor(name x, cexpr_of_exp out_env var_env i1,
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cexpr_of_exp out_env var_env i2,
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cstm_of_act_list out_env var_env obj_env act)]
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[Cfor(name x, cexpr_of_exp out out_env var_env i1,
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cexpr_of_exp out out_env var_env i2,
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cstm_of_act_list out out_env var_env obj_env act)]
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(* Translate constant assignment *)
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| Aassgn (vn, { e_desc = Eextvalue { w_desc = Wconst c }; }) ->
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let vn = clhs_of_pattern out_env var_env vn in
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let vn = clhs_of_pattern out out_env var_env vn in
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create_affect_const var_env vn c
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(* Purely syntactic translation from an Obc local variable to a C
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local one, with recursive translation of the rhs expression. *)
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| Aassgn (vn, e) ->
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let vn = clhs_of_pattern out_env var_env vn in
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let vn = clhs_of_pattern out out_env var_env vn in
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let ty = assoc_type_lhs vn var_env in
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let ce = cexpr_of_exp out_env var_env e in
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let ce = cexpr_of_exp out out_env var_env e in
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create_affect_stm vn ce ty
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(* Our Aop marks an operator invocation that will perform side effects. Just
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translate to a simple C statement. *)
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| Aop (op_name, args) ->
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[Csexpr (cop_of_op out_env var_env op_name args)]
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[Csexpr (cop_of_op out out_env var_env op_name args)]
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(* Reinitialization of an object variable, extracting the reset
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function's name from our environment [obj_env]. *)
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@ -630,7 +632,8 @@ let rec cstm_of_act out_env var_env obj_env act =
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| [] ->
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[Csexpr (Cfun_call (classn ^ "_reset", [Caddrof field]))]
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| p::pl ->
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mk_loop pl (Carray(field, cexpr_of_pattern out_env var_env p))
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mk_loop pl
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(Carray (field, cexpr_of_pattern out out_env var_env p))
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in
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mk_loop pl field
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)
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@ -639,8 +642,8 @@ let rec cstm_of_act out_env var_env obj_env act =
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local structure to hold the results, before allocating to our
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variables. *)
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| Acall (outvl, objn, Mstep, el) ->
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let args = cexprs_of_exps out_env var_env el in
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let outvl = clhs_list_of_pattern_list out_env var_env outvl in
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let args = cexprs_of_exps out out_env var_env el in
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let outvl = clhs_list_of_pattern_list out out_env var_env outvl in
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generate_function_call out_env var_env obj_env outvl objn args
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| Acall (outv1, objn, MstepAsync, e1) ->
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@ -648,10 +651,12 @@ let rec cstm_of_act out_env var_env obj_env act =
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(* 2. Atomic copy of the outputs *)
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assert false
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and cstm_of_act_list out_env var_env obj_env b =
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and cstm_of_act_list out out_env var_env obj_env b =
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let l = List.map cvar_of_vd b.b_locals in
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let var_env = l @ var_env in
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let cstm = List.flatten (List.map (cstm_of_act out_env var_env obj_env) b.b_body) in
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let cstm = List.flatten
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(List.map (cstm_of_act out out_env var_env obj_env) b.b_body)
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in
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match l with
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| [] -> cstm
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| _ ->
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@ -714,7 +719,7 @@ let fun_def_of_step_fun n obj_env mem objs md =
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IdentSet.empty
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md.m_outputs
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in
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let body = cstm_of_act_list out_env var_env obj_env md.m_body in
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let body = cstm_of_act_list "_out" out_env var_env obj_env md.m_body in
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Cfundef {
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C.f_name = fun_name;
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@ -758,7 +763,9 @@ let async_fun_def_of_step_fun n obj_env mem objs md copy_in_name
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[Caddrof (Cvar "_local_in"); Cvar "_in"]) in
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(* FIXME(Arduino): rename input & output variables *)
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let body = cstm_of_act_list out_env var_env obj_env md.m_body in
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let body =
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cstm_of_act_list "_out" out_env var_env obj_env md.m_body
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in
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let copy_out = Cfun_call (copy_out_name,
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[Cvar "_out"; Caddrof (Cvar "_local_out")]) in
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@ -821,7 +828,7 @@ let reset_fun_def_of_class_def cd =
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if cd.cd_stateful then
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let var_env = List.map cvar_of_vd cd.cd_mems in
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let reset = find_reset_method cd in
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cstm_of_act_list IdentSet.empty var_env cd.cd_objs reset.m_body
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cstm_of_act_list "_out" IdentSet.empty var_env cd.cd_objs reset.m_body
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else
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[]
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in
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