diff options
Diffstat (limited to 'lib/diameter/src/app')
| -rw-r--r-- | lib/diameter/src/app/Makefile | 2 | ||||
| -rw-r--r-- | lib/diameter/src/app/diameter_exprecs.erl | 301 | ||||
| -rw-r--r-- | lib/diameter/src/app/modules.mk | 1 |
3 files changed, 0 insertions, 304 deletions
diff --git a/lib/diameter/src/app/Makefile b/lib/diameter/src/app/Makefile index b2efc42a69..38af3cbe37 100644 --- a/lib/diameter/src/app/Makefile +++ b/lib/diameter/src/app/Makefile @@ -185,8 +185,6 @@ release_docs_spec: # Dependencies # ---------------------------------------------------- -$(DICT_MODULES:%=$(EBIN)/%.$(EMULATOR)): $(EBIN)/diameter_exprecs.$(EMULATOR) - diameter_gen_base_accounting.erl diameter_gen_relay.erl: \ $(EBIN)/diameter_gen_base_rfc3588.beam diff --git a/lib/diameter/src/app/diameter_exprecs.erl b/lib/diameter/src/app/diameter_exprecs.erl deleted file mode 100644 index 5e120d6f44..0000000000 --- a/lib/diameter/src/app/diameter_exprecs.erl +++ /dev/null @@ -1,301 +0,0 @@ -%% -%% %CopyrightBegin% -%% -%% Copyright Ericsson AB 2010-2011. All Rights Reserved. -%% -%% The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. -%% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. -%% -%% %CopyrightEnd% -%% - -%% -%% Parse transform for generating record access functions -%% -%% This parse transform can be used to reduce compile-time -%% dependencies in large systems. -%% -%% In the old days, before records, Erlang programmers often wrote -%% access functions for tuple data. This was tedious and error-prone. -%% The record syntax made this easier, but since records were implemented -%% fully in the pre-processor, a nasty compile-time dependency was -%% introduced. -%% -%% This module automates the generation of access functions for -%% records. While this method cannot fully replace the utility of -%% pattern matching, it does allow a fair bit of functionality on -%% records without the need for compile-time dependencies. -%% -%% Whenever record definitions need to be exported from a module, -%% inserting a compiler attribute, -%% -%% export_records([RecName, ...]) -%% -%% causes this transform to lay out access functions for the exported -%% records: -%% -%% -module(foo) -%% -compile({parse_transform, diameter_exprecs}). -%% -%% -record(r, {a, b, c}). -%% -export_records([a]). -%% -%% -export(['#info-'/1, '#info-'/2, -%% '#new-'/1, '#new-'/2, -%% '#get-'/2, '#set-'/2, -%% '#new-a'/0, '#new-a'/1, -%% '#get-a'/2, '#set-a'/2, -%% '#info-a'/1]). -%% -%% '#info-'(RecName) -> -%% '#info-'(RecName, fields). -%% -%% '#info-'(r, Info) -> -%% '#info-r'(Info). -%% -%% '#new-'(r) -> #r{}. -%% '#new-'(r, Vals) -> '#new-r'(Vals) -%% -%% '#new-r'() -> #r{}. -%% '#new-r'(Vals) -> '#set-r'(Vals, #r{}). -%% -%% '#get-'(Attrs, #r{} = Rec) -> -%% '#get-r'(Attrs, Rec). -%% -%% '#get-r'(Attrs, Rec) when is_list(Attrs) -> -%% ['#get-r'(A, Rec) || A <- Attrs]; -%% '#get-r'(a, Rec) -> Rec#r.a; -%% '#get-r'(b, Rec) -> Rec#r.b; -%% '#get-r'(c, Rec) -> Rec#r.c. -%% -%% '#set-'(Vals, #r{} = Rec) -> -%% '#set-r'(Vals, Rec). -%% -%% '#set-r'(Vals, Rec) when is_list(Vals) -> -%% lists:foldl(fun '#set-r'/2, Rec, Vals); -%% '#set-r'({a,V}, Rec) -> Rec#r{a = V}; -%% '#set-r'({b,V}, Rec) -> Rec#r{b = V}; -%% '#set-r'({c,V}, Rec) -> Rec#r{c = V}. -%% -%% '#info-r'(fields) -> record_info(fields, r); -%% '#info-r'(size) -> record_info(size, r); -%% '#info-r'({index, a}) -> 1; -%% '#info-r'({index, b}) -> 2; -%% '#info-r'({index, c}) -> 3; -%% - --module(diameter_exprecs). - --export([parse_transform/2]). - -%% Form tag with line number. --define(F(T), T, ?LINE). -%% Yes, that's right. The replacement is to the first unmatched ')'. - --define(attribute, ?F(attribute)). --define(clause, ?F(clause)). --define(function, ?F(function)). --define(call, ?F(call)). --define('fun', ?F('fun')). --define(generate, ?F(generate)). --define(lc, ?F(lc)). --define(match, ?F(match)). --define(remote, ?F(remote)). --define(record, ?F(record)). --define(record_field, ?F(record_field)). --define(record_index, ?F(record_index)). --define(tuple, ?F(tuple)). - --define(ATOM(T), {atom, ?LINE, T}). --define(VAR(V), {var, ?LINE, V}). - --define(CALL(F,A), {?call, ?ATOM(F), A}). --define(APPLY(M,F,A), {?call, {?remote, ?ATOM(M), ?ATOM(F)}, A}). - -%% parse_transform/2 - -parse_transform(Forms, _Options) -> - Rs = [R || {attribute, _, record, R} <- Forms], - case lists:append([E || {attribute, _, export_records, E} <- Forms]) of - [] -> - Forms; - Es -> - {H,T} = lists:splitwith(fun is_head/1, Forms), - H ++ [a_export(Es) | f_accessors(Es, Rs)] ++ T - end. - -is_head(T) -> - not lists:member(element(1,T), [function, eof]). - -%% a_export/1 - -a_export(Exports) -> - {?attribute, export, [{fname(info), 1}, - {fname(info), 2}, - {fname(new), 1}, - {fname(new), 2}, - {fname(get), 2}, - {fname(set), 2} - | lists:flatmap(fun export/1, Exports)]}. - -export(Rname) -> - New = fname(new, Rname), - [{New, 0}, - {New, 1}, - {fname(get, Rname), 2}, - {fname(set, Rname), 2}, - {fname(info, Rname), 1}]. - -%% f_accessors/2 - -f_accessors(Es, Rs) -> - ['#info-/1'(), - '#info-/2'(Es), - '#new-/1'(Es), - '#new-/2'(Es), - '#get-/2'(Es), - '#set-/2'(Es) - | lists:flatmap(fun(N) -> accessors(N, fields(N, Rs)) end, Es)]. - -accessors(Rname, Fields) -> - ['#new-X/0'(Rname), - '#new-X/1'(Rname), - '#get-X/2'(Rname, Fields), - '#set-X/2'(Rname, Fields), - '#info-X/1'(Rname, Fields)]. - -fields(Rname, Recs) -> - {Rname, Fields} = lists:keyfind(Rname, 1, Recs), - lists:map(fun({record_field, _, {atom, _, N}}) -> N; - ({record_field, _, {atom, _, N}, _}) -> N - end, - Fields). - -fname_prefix(Op) -> - "#" ++ atom_to_list(Op) ++ "-". - -fname(Op) -> - list_to_atom(fname_prefix(Op)). - -fname(Op, Rname) -> - Prefix = fname_prefix(Op), - list_to_atom(Prefix ++ atom_to_list(Rname)). - -%% Generated functions. - -'#info-/1'() -> - Fname = fname(info), - {?function, Fname, 1, - [{?clause, [?VAR('RecName')], - [], - [?CALL(Fname, [?VAR('RecName'), ?ATOM(fields)])]}]}. - -'#info-/2'(Exports) -> - {?function, fname(info), 2, - lists:map(fun 'info-'/1, Exports)}. - -'info-'(R) -> - {?clause, [?ATOM(R), ?VAR('Info')], - [], - [?CALL(fname(info, R), [?VAR('Info')])]}. - -'#new-/1'(Exports) -> - {?function, fname(new), 1, - lists:map(fun 'new-'/1, Exports)}. - -'new-'(R) -> - {?clause, [?ATOM(R)], - [], - [{?record, R, []}]}. - -'#new-/2'(Exports) -> - {?function, fname(new), 2, - lists:map(fun 'new--'/1, Exports)}. - -'new--'(R) -> - {?clause, [?ATOM(R), ?VAR('Vals')], - [], - [?CALL(fname(new, R), [?VAR('Vals')])]}. - -'#get-/2'(Exports) -> - {?function, fname(get), 2, - lists:map(fun 'get-'/1, Exports)}. - -'get-'(R) -> - {?clause, [?VAR('Attrs'), - {?match, {?record, R, []}, ?VAR('Rec')}], - [], - [?CALL(fname(get, R), [?VAR('Attrs'), ?VAR('Rec')])]}. - -'#set-/2'(Exports) -> - {?function, fname(set), 2, - lists:map(fun 'set-'/1, Exports)}. - -'set-'(R) -> - {?clause, [?VAR('Vals'), {?match, {?record, R, []}, ?VAR('Rec')}], - [], - [?CALL(fname(set, R), [?VAR('Vals'), ?VAR('Rec')])]}. - -'#new-X/0'(Rname) -> - {?function, fname(new, Rname), 0, - [{?clause, [], - [], - [{?record, Rname, []}]}]}. - -'#new-X/1'(Rname) -> - {?function, fname(new, Rname), 1, - [{?clause, [?VAR('Vals')], - [], - [?CALL(fname(set, Rname), [?VAR('Vals'), {?record, Rname, []}])]}]}. - -'#set-X/2'(Rname, Fields) -> - {?function, fname(set, Rname), 2, - [{?clause, [?VAR('Vals'), ?VAR('Rec')], - [[?CALL(is_list, [?VAR('Vals')])]], - [?APPLY(lists, foldl, [{?'fun', {function, fname(set, Rname), 2}}, - ?VAR('Rec'), - ?VAR('Vals')])]} - | lists:map(fun(A) -> 'set-X'(Rname, A) end, Fields)]}. - -'set-X'(Rname, Attr) -> - {?clause, [{?tuple, [?ATOM(Attr), ?VAR('V')]}, ?VAR('Rec')], - [], - [{?record, ?VAR('Rec'), Rname, - [{?record_field, ?ATOM(Attr), ?VAR('V')}]}]}. - -'#get-X/2'(Rname, Fields) -> - FName = fname(get, Rname), - {?function, FName, 2, - [{?clause, [?VAR('Attrs'), ?VAR('Rec')], - [[?CALL(is_list, [?VAR('Attrs')])]], - [{?lc, ?CALL(FName, [?VAR('A'), ?VAR('Rec')]), - [{?generate, ?VAR('A'), ?VAR('Attrs')}]}]} - | lists:map(fun(A) -> 'get-X'(Rname, A) end, Fields)]}. - -'get-X'(Rname, Attr) -> - {?clause, [?ATOM(Attr), ?VAR('Rec')], - [], - [{?record_field, ?VAR('Rec'), Rname, ?ATOM(Attr)}]}. - -'#info-X/1'(Rname, Fields) -> - {?function, fname(info, Rname), 1, - [{?clause, [?ATOM(fields)], - [], - [?CALL(record_info, [?ATOM(fields), ?ATOM(Rname)])]}, - {?clause, [?ATOM(size)], - [], - [?CALL(record_info, [?ATOM(size), ?ATOM(Rname)])]} - | lists:map(fun(A) -> 'info-X'(Rname, A) end, Fields)]}. - -'info-X'(Rname, Attr) -> - {?clause, [{?tuple, [?ATOM(index), ?ATOM(Attr)]}], - [], - [{?record_index, Rname, ?ATOM(Attr)}]}. diff --git a/lib/diameter/src/app/modules.mk b/lib/diameter/src/app/modules.mk index ea4c58bfd7..2b602cd713 100644 --- a/lib/diameter/src/app/modules.mk +++ b/lib/diameter/src/app/modules.mk @@ -47,7 +47,6 @@ RUNTIME_MODULES = \ HELP_MODULES = \ diameter_callback \ - diameter_exprecs \ diameter_dbg \ diameter_info |