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authorLars Thorsen <[email protected]>2018-04-25 15:09:14 +0200
committerLars Thorsen <[email protected]>2018-04-27 12:05:30 +0200
commit6bcdad20c24457393c0d9eeb385d0ff5aa872cd0 (patch)
tree63162ddfa38d92eaff2193b73277aba18160308c /lib/ic/src/ic_symtab.erl
parent87b06e4ab91729f7415578c8ac0aacec28720ad9 (diff)
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Move the corba applcations to separate repository
All corba applications are moved to a separate repository. E.g. orber, ic, cosEvent, cosEventDomain, cosNotifications cosTime, cosTransactions, cosProperty and cosFileTransfer.
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diff --git a/lib/ic/src/ic_symtab.erl b/lib/ic/src/ic_symtab.erl
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-%%
-%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 1998-2016. All Rights Reserved.
-%%
-%% Licensed under the Apache License, Version 2.0 (the "License");
-%% you may not use this file except in compliance with the License.
-%% You may obtain a copy of the License at
-%%
-%% http://www.apache.org/licenses/LICENSE-2.0
-%%
-%% Unless required by applicable law or agreed to in writing, software
-%% distributed under the License is distributed on an "AS IS" BASIS,
-%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-%% See the License for the specific language governing permissions and
-%% limitations under the License.
-%%
-%% %CopyrightEnd%
-%%
-%%
-
--module(ic_symtab).
-
-
--include_lib("ic/src/ic.hrl").
--include_lib("ic/src/icforms.hrl").
-
-%%-----------------------------------------------------------------
-%% External exports
-%%-----------------------------------------------------------------
--export([new/0, store/3, retrieve/2, soft_retrieve/2, intf_resolv/3]).
--export([get_full_scoped_name/3, scoped_id_new_global/1, scoped_id_new/1]).
--export([scoped_id_strip/1,symtab_add_faked_included_types/1]).
--export([scoped_id_is_global/1, scoped_id_add/2]).
-
-%%-----------------------------------------------------------------
-%% Internal exports
-%%-----------------------------------------------------------------
--export([]).
-
-%%-----------------------------------------------------------------
-%% External functions
-%%-----------------------------------------------------------------
-
-
-%%--------------------------------------------------------------------
-%%
-%% Symbol table routines
-%%
-%% Symbol tables handles mappings Id -> Value, where Id is an
-%% ordinary Id from the parser (or a string) and value is an
-%% arbitrary term.
-%%
-%%--------------------------------------------------------------------
-
-%%-----------------------------------------------------------------
-%% Func: new/0 (used to be symtab_new)
-%%-----------------------------------------------------------------
-new() ->
- ets:new(symtab, [set, public]).
-
-%%-----------------------------------------------------------------
-%% Func: store/3 (used to be symtab_store)
-%%-----------------------------------------------------------------
-store(G, N, X) ->
- Name = [ic_forms:get_id2(X) | N],
- %%io:format("Adding id: ~p~n", [N]),
- case soft_retrieve(G, Name) of
- {error, _} ->
- ets:insert(G#genobj.symtab, {Name, X});
- {ok, Y} when is_record(Y, forward) ->
- ets:insert(G#genobj.symtab, {Name, X});
- {ok, Y} when is_record(Y, constr_forward) ->
- ets:insert(G#genobj.symtab, {Name, X});
- {ok, _Y} ->
- ic_error:error(G, {multiply_defined, X})
- end.
-
-
-%%-----------------------------------------------------------------
-%% Func: retrieve/2 (used to be symtab_retrieve)
-%%
-%% Makes a lookup in the symbol table for Id. Will throw
-%% not_found if it fails.
-%%-----------------------------------------------------------------
-retrieve(G, Id) ->
- case ets:lookup(G#genobj.symtab, Id) of
- [{_, Val}] -> Val;
- [] -> ic_error:error(G, {symtab_not_found, Id})
- end.
-
-
-%%-----------------------------------------------------------------
-%% Func: soft_retrieve/2 (used to be symtab_soft_retrieve)
-%%
-%% Same as retrieve but will use tagged return values.
-%%
-%%-----------------------------------------------------------------
-soft_retrieve(G, Id) ->
- case ets:lookup(G#genobj.symtab, Id) of
- [{_, Val}] -> {ok, Val};
- [] -> {error, {symtab_not_found, Id}}
- end.
-
-
-%%-----------------------------------------------------------------
-%% Func: intf_resolv/3 and resolv2/3
-%% (used to be symtab_intf_resolv and symtab_intf_resolv2)
-%%
-%% Tries to resolv the interface identifier reference. The id can
-%% be either a scoped name or an standard identifier. The
-%% function returns a global reference to the id.
-%%
-%% Will throw not_found if the id really cannot be found. Will
-%% throw illegal_forward if any forward references are founf in
-%% the inheritance list.
-%%
-%%-----------------------------------------------------------------
-intf_resolv(G, Scope, Id) ->
- case scoped_id_is_global(Id) of
- true ->
- retrieve(G, Id),
- Id;
- false ->
- intf_resolv2(G, Scope, Id)
- end.
-
-intf_resolv2(G, Scope, Id) ->
- N = scoped_id_add(Scope, Id),
- case soft_retrieve(G, scoped_id_strip(N)) of
- {ok, F} when is_record(F, forward) ->
- ic_error:error(G, {illegal_forward, Id}), [];
- {ok, _Val} ->
- scoped_id_mk_global(N);
- _ ->
- case scoped_id_is_top(Scope) of
- false ->
- intf_resolv2(G, scoped_id_up_one(Scope), Id);
- true ->
- ic_error:error(G, {symtab_not_found, Id}), []
- end
- end.
-
-
-
-%%--------------------------------------------------------------------
-%%
-%% Scoped id routines
-%%
-%% A scoped id is an id written as M::Id in IDL. Scoped ids are
-%% implemented as lists of id in reverse order, so M1::F1 becomes
-%% [F1, M1].
-%%
-%%--------------------------------------------------------------------
-
-get_full_scoped_name(G, N, S) when element(1, S) == scoped_id ->
- ictype:scoped_lookup(G, ic_genobj:tktab(G), N, S).
-
-scoped_id_new_global(Id) ->
- X=scoped_id_new(Id), X#scoped_id{type=global}.
-
-scoped_id_new(Id) ->
- #scoped_id{line=ic_forms:get_line(Id), id=[ic_forms:get_id(Id)]}.
-
-%% Adds one more id to the list of ids
-scoped_id_add(S1, S2) when is_record(S2, scoped_id) ->
- S1#scoped_id{id=S2#scoped_id.id ++ S1#scoped_id.id,
- line=S2#scoped_id.line};
-scoped_id_add(S, Id) ->
- S#scoped_id{id=[ic_forms:get_id(Id) | S#scoped_id.id], line=ic_forms:get_line(Id)}.
-
-
-scoped_id_mk_global(S) -> S#scoped_id{type=global}.
-
-scoped_id_is_global(S) when is_record(S, scoped_id), S#scoped_id.type==global ->
- true;
-scoped_id_is_global(_) -> false.
-
-%% Top level scope (i.e no more cd ..)
-scoped_id_is_top(S) when S#scoped_id.id==[] -> true;
-scoped_id_is_top(_) -> false.
-
-
-scoped_id_up_one(S) -> S#scoped_id{id=tl(S#scoped_id.id)}. % cd .. in scope
-%%scoped_id_get_def(S) -> hd(S#scoped_id.id). % Last added id
-scoped_id_strip(S) -> S#scoped_id.id. % Strips all junk
-
-
-
-
-% Add CORBA::<Types> that as if they
-% were defined in an included file.
-% This is only supported in the case
-% of Corba backend
-symtab_add_faked_included_types(G) ->
- case ic_options:get_opt(G, be) of
- false ->
- %% Add TypeCode as if it were defiend in included file
- ets:insert(G#genobj.symtab, {["CORBA"],
- {interface,{'<identifier>',0,"TypeCode"},
- [],
- [],
- [],
- {tk_objref,
- "IDL:omg.org/CORBA/TypeCode:1.0",
- "TypeCode"}}});
- erl_corba ->
- %% Add TypeCode as if it were defiend in included file
- ets:insert(G#genobj.symtab, {["CORBA"],
- {interface,{'<identifier>',0,"TypeCode"},
- [],
- [],
- [],
- {tk_objref,
- "IDL:omg.org/CORBA/TypeCode:1.0",
- "TypeCode"}}});
- erl_template ->
- %% Add TypeCode as if it were defiend in included file
- ets:insert(G#genobj.symtab, {["CORBA"],
- {interface,{'<identifier>',0,"TypeCode"},
- [],
- [],
- [],
- {tk_objref,
- "IDL:omg.org/CORBA/TypeCode:1.0",
- "TypeCode"}}});
- _ ->
- ok
- end.
-
-
-
-%%-----------------------------------------------------------------
-%% Internal functions
-%%-----------------------------------------------------------------