%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2000-2015. 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%
%%
%%% This file is meant to be included by xref_* only.
-define(VAR_EXPR, '$F_EXPR').
-define(MOD_EXPR, '$M_EXPR').
-define(XREF_END_LINE, (1 bsl 23)).
%%% Filenames are stored as directory and basename. A lot of heap can
%%% be saved by keeping only one (or few) copy of the directory name.
%% 'data' in xref_mod holds "raw" data (as sets) for each module. The
%% data in 'variables' is derived from raw data.
-record(xref, {
version = 1, % version of the xref record
mode = functions,
variables = not_set_up, % table of variables
modules = dict:new(), % dict-of(xref_mod())
applications = dict:new(), % dict-of(xref_app())
releases = dict:new(), % dict-of(xref_rel())
library_path = [], % [string()] | code_path
libraries = dict:new(), % dict-of(xref_lib())
builtins_default = false, % Default value of the 'builtins' option.
recurse_default = false, % Default value of the 'recurse' option.
verbose_default = false, % Default value of the 'verbose' option.
warnings_default = true % Default value of the 'warnings' option.
}).
-record(xref_mod, {
name = '',
app_name = [], % [] or [AppName]
dir = "", % string(), directory where the BEAM file resides
mtime, % modification time for file
builtins, % whether calls to built-in functions are included
info, % number of exports, locals etc.
no_unresolved = 0, % number of unresolved calls
data
%% Data has been read from the BEAM file, and is represented here
%% as a list of sets.
%% If xref.mode = functions:
%% [
%% DefAt, M -> P(V * N)
%% L, M -> P(V)
%% X, M -> P(V)
%% LCallAt, M -> P(V * V -> P(N))
%% XCallAt, M -> P(V * V -> P(N))
%% CallAt, M -> P(V * V -> P(N))
%% LC, M -> P(V * V)
%% XC, M -> P(V * V)
%% LU, M -> P(V)
%% EE, M -> P(EV * EV)
%% ECallAt, M -> P(EV * EV -> P(N))
%% Unres, M -> P(V * V)
%% LPredefined M -> P(V)
%% ]
%%
%% If xref.mode = modules:
%% [
%% X, M -> P(V)
%% I M -> P(V)
%% ]
}).
-record(xref_app, {
name = '',
rel_name = [], % [] or [RelName]
vsn = [],
dir = "" % where BEAM files are read from
}).
-record(xref_rel, {
name = '',
dir = "" % where application directories reside
}).
-record(xref_lib, {
name = '', % atom(), module name
dir = "" % string(), directory where the file resides
}).
-record(xref_var, {
name = '', % atom(), variable name
value, % set or pair of sets, variable value
vtype, % VarType (predef, tmp, user)
otype, % ObjectType (vertex, edge, etc.)
type % Type (function, module, etc.)
}).
