1%% 2%% %CopyrightBegin% 3%% 4%% Copyright Ericsson AB 2000-2020. All Rights Reserved. 5%% 6%% Licensed under the Apache License, Version 2.0 (the "License"); 7%% you may not use this file except in compliance with the License. 8%% You may obtain a copy of the License at 9%% 10%% http://www.apache.org/licenses/LICENSE-2.0 11%% 12%% Unless required by applicable law or agreed to in writing, software 13%% distributed under the License is distributed on an "AS IS" BASIS, 14%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15%% See the License for the specific language governing permissions and 16%% limitations under the License. 17%% 18%% %CopyrightEnd% 19 20-module(xref_SUITE). 21 22%-define(debug, true). 23 24-ifdef(debug). 25-define(format(S, A), io:format(S, A)). 26-define(line, put(line, ?LINE), ). 27-define(config(X,Y), "./log_dir/"). 28-define(datadir, "xref_SUITE_data"). 29-define(privdir, "xref_SUITE_priv"). 30-define(copydir, "xref_SUITE_priv/datacopy"). 31-else. 32-include_lib("common_test/include/ct.hrl"). 33-define(format(S, A), ok). 34-define(datadir, proplists:get_value(data_dir, Conf)). 35-define(privdir, proplists:get_value(priv_dir, Conf)). 36-define(copydir, proplists:get_value(copy_dir, Conf)). 37-endif. 38 39-export([all/0, suite/0, groups/0, 40 init_per_suite/1, end_per_suite/1]). 41 42-export([addrem/1, convert/1, intergraph/1, lines/1, loops/1, 43 no_data/1, modules/1]). 44 45-export([add/1, default/1, info/1, lib/1, read/1, read2/1, remove/1, 46 replace/1, update/1, deprecated/1, trycatch/1, 47 fun_mfa/1, 48 fun_mfa_vars/1, qlc/1]). 49 50-export([analyze/1, basic/1, md/1, q/1, variables/1, unused_locals/1, 51 behaviour/1]). 52 53-export([format_error/1, otp_7423/1, otp_7831/1, otp_10192/1, otp_13708/1, 54 otp_14464/1, otp_14344/1]). 55 56-import(lists, [append/2, flatten/1, keysearch/3, member/2, sort/1, usort/1]). 57 58-import(sofs, [converse/1, from_term/1, intersection/2, is_sofs_set/1, 59 range/1, relation_to_family/1, set/1, to_external/1, 60 union/2]). 61 62%% Checks some info counters of a server and some relations that should hold. 63-export([check_count/1, check_state/1]). 64 65-include_lib("kernel/include/file.hrl"). 66-include_lib("tools/src/xref.hrl"). 67 68suite() -> 69 [{ct_hooks,[ts_install_cth]}, 70 {timetrap,{minutes,2}}]. 71 72all() -> 73 [{group, xref}, {group, files}, {group, analyses}, 74 {group, misc}]. 75 76groups() -> 77 [{xref, [], 78 [addrem, convert, intergraph, lines, loops, no_data, 79 modules]}, 80 {files, [], 81 [add, default, info, lib, read, read2, remove, replace, 82 update, deprecated, trycatch, fun_mfa, 83 fun_mfa_vars, qlc]}, 84 {analyses, [], 85 86 [analyze, basic, md, q, variables, unused_locals, behaviour]}, 87 {misc, [], [format_error, otp_7423, otp_7831, otp_10192, otp_13708, 88 otp_14464, otp_14344]}]. 89 90 91init_per_suite(Conf) when is_list(Conf) -> 92 DataDir = ?datadir, 93 PrivDir = ?privdir, 94 CopyDir = fname(PrivDir, "datacopy"), 95 ok = file:make_dir(CopyDir), 96 TarFile = fname(PrivDir, "datacopy.tgz"), 97 ok = file:set_cwd(DataDir), 98 ok = erl_tar:create(TarFile, ["."], [compressed]), 99 ok = erl_tar:extract(TarFile, [compressed, {cwd,CopyDir}]), 100 ok = file:delete(TarFile), 101 [{copy_dir, CopyDir}|Conf]. 102 103end_per_suite(Conf) when is_list(Conf) -> 104 ok. 105 106%% Seems a bit short... 107%% Simple test of removing modules 108addrem(Conf) when is_list(Conf) -> 109 S0 = new(), 110 111 F1 = {m1,f1,1}, 112 F2 = {m2,f1,2}, 113 114 E1 = {F1,F2}, 115 E2 = {F2,F1}, 116 117 D1 = {F1,12}, 118 DefAt_m1 = [D1], 119 X_m1 = [F1], 120 % L_m1 = [], 121 XC_m1 = [E1], 122 LC_m1 = [], 123 LCallAt_m1 = [], 124 XCallAt_m1 = [{E1,13}], 125 Info1 = #xref_mod{name = m1, app_name = [a1]}, 126 S1 = add_module(S0, Info1, DefAt_m1, X_m1, LCallAt_m1, XCallAt_m1, 127 XC_m1, LC_m1), 128 129 D2 = {F2,7}, 130 DefAt_m2 = [D2], 131 X_m2 = [F2], 132 % L_m2 = [], 133 XC_m2 = [E2], 134 LC_m2 = [], 135 LCallAt_m2 = [], 136 XCallAt_m2 = [{E2,96}], 137 Info2 = #xref_mod{name = m2, app_name = [a2]}, 138 S2 = add_module(S1, Info2, DefAt_m2, X_m2, LCallAt_m2, XCallAt_m2, 139 XC_m2, LC_m2), 140 141 S5 = set_up(S2), 142 143 {ok, XMod1, S6} = remove_module(S5, m1), 144 [a1] = XMod1#xref_mod.app_name, 145 {ok, XMod2, S6a} = remove_module(S6, m2), 146 [a2] = XMod2#xref_mod.app_name, 147 S7 = set_up(S6a), 148 149 AppInfo1 = #xref_app{name = a1, rel_name = [r1]}, 150 S9 = add_application(S7, AppInfo1), 151 S10 = set_up(S9), 152 AppInfo2 = #xref_app{name = a2, rel_name = [r1]}, 153 _S11 = add_application(S10, AppInfo2), 154 ok. 155 156%% Coercion of data 157convert(Conf) when is_list(Conf) -> 158 S0 = new(), 159 160 F1 = {m1,f1,1}, 161 F6 = {m1,f2,6}, % X 162 F2 = {m2,f1,2}, 163 F3 = {m2,f2,3}, % X 164 F7 = {m2,f3,7}, % X 165 F4 = {m3,f1,4}, % X 166 F5 = {m3,f2,5}, 167 168 UF1 = {m1,f12,17}, 169 UF2 = {m17,f17,177}, 170 171 E1 = {F1,F3}, % X 172 E2 = {F6,F7}, % X 173 E3 = {F2,F6}, % X 174 E4 = {F1,F4}, % X 175 E5 = {F4,F5}, 176 E6 = {F7,F4}, % X 177 178 UE1 = {F2,UF2}, % X 179 UE2 = {F5,UF1}, % X 180 181 D1 = {F1,12}, 182 D6 = {F6,3}, 183 DefAt_m1 = [D1,D6], 184 X_m1 = [F6], 185 % L_m1 = [F1], 186 XC_m1 = [E1,E2,E4], 187 LC_m1 = [], 188 LCallAt_m1 = [], 189 XCallAt_m1 = [{E1,13},{E2,17},{E4,7}], 190 Info1 = #xref_mod{name = m1, app_name = [a1]}, 191 S1 = add_module(S0, Info1, DefAt_m1, X_m1, LCallAt_m1, XCallAt_m1, 192 XC_m1, LC_m1), 193 194 D2 = {F2,7}, 195 D3 = {F3,9}, 196 D7 = {F7,19}, 197 DefAt_m2 = [D2,D3,D7], 198 X_m2 = [F3,F7], 199 % L_m2 = [F2], 200 XC_m2 = [E3,E6,UE1], 201 LC_m2 = [], 202 LCallAt_m2 = [], 203 XCallAt_m2 = [{E3,96},{E6,12},{UE1,77}], 204 Info2 = #xref_mod{name = m2, app_name = [a2]}, 205 S2 = add_module(S1, Info2, DefAt_m2, X_m2, LCallAt_m2, XCallAt_m2, 206 XC_m2, LC_m2), 207 208 D4 = {F4,6}, 209 D5 = {F5,97}, 210 DefAt_m3 = [D4,D5], 211 X_m3 = [F4], 212 % L_m3 = [F5], 213 XC_m3 = [UE2], 214 LC_m3 = [E5], 215 LCallAt_m3 = [{E5,19}], 216 XCallAt_m3 = [{UE2,22}], 217 Info3 = #xref_mod{name = m3, app_name = [a3]}, 218 S3 = add_module(S2, Info3, DefAt_m3, X_m3, LCallAt_m3, XCallAt_m3, 219 XC_m3, LC_m3), 220 221 Info4 = #xref_mod{name = m4, app_name = [a2]}, 222 S4 = add_module(S3, Info4, [], [], [], [], [], []), 223 224 AppInfo1 = #xref_app{name = a1, rel_name = [r1]}, 225 S9 = add_application(S4, AppInfo1), 226 AppInfo2 = #xref_app{name = a2, rel_name = [r1]}, 227 S10 = add_application(S9, AppInfo2), 228 AppInfo3 = #xref_app{name = a3, rel_name = [r2]}, 229 S11 = add_application(S10, AppInfo3), 230 231 RelInfo1 = #xref_rel{name = r1}, 232 S12 = add_release(S11, RelInfo1), 233 RelInfo2 = #xref_rel{name = r2}, 234 S13 = add_release(S12, RelInfo2), 235 236 S = set_up(S13), 237 238 {ok, _} = eval("(Lin)(m1->m1:Mod) * m1->m1", type_error, S), 239 {ok, _} = eval("(XXL)(Lin)(m1->m1:Mod) * m1->m1", type_error, S), 240 241 AllDefAt = eval("(Lin) M", S), 242 AllV = eval("(Fun) M", S), 243 AllCallAt = eval("(XXL)(Lin) E", S), 244 AllE = eval("E", S), 245 246 AM = eval("AM", S), 247 A = eval("A", S), 248 R = eval("R", S), 249 250 251 % vertices 252 % general 1 step 253 {ok, _} = eval("(Fun) (Lin) M", AllV, S), 254 {ok, _} = eval("(Fun) (Lin) (Lin) M", AllV, S), 255 {ok, _} = eval(f("(Fun) (Lin) ~p", [[F1, F3]]), [F1,F3], S), 256 {ok, _} = eval(f("(Mod) ~p", [AllV]), [m1,m17,m2,m3], S), 257 {ok, _} = eval(f("(Mod) ~p", [[F1,F3,F6]]), [m1,m2], S), 258 {ok, _} = eval("(App) M", A, S), 259 {ok, _} = eval(f("(App) ~p", [[m1,m2,m4]]), [a1,a2], S), 260 {ok, _} = eval(f("(Rel) ~p", [A]), R, S), 261 {ok, _} = eval(f("(Rel) ~p", [[a1,a2,a2]]), [r1], S), 262 % general 2 steps 263 {ok, _} = eval("(Mod) (Lin) M", [m1,m17,m2,m3], S), 264 {ok, _} = eval(f("(App) ~p", [AllV]), [a1,a2,a3], S), 265 {ok, _} = eval("(Rel) M", R, S), 266 % general 4 steps 267 {ok, _} = eval("(Rel) (Lin) M", [r1,r2], S), 268 269 % special 1 step 270 {ok, _} = eval(f("(Lin) ~p", [AllV]), AllDefAt, S), 271 {ok, _} = eval(f("(Lin) ~p", [[F1,F3]]), [{F1,12},{F3,9}], S), 272 {ok, _} = eval("(Fun) M", AllV, S), 273 {ok, _} = eval(f("(Fun) ~p", [[m1,m2]]), [F1,F2,F3,F6,F7,UF1], S), 274 {ok, _} = eval(f("(Mod) ~p", [A]), AM, S), 275 {ok, _} = eval(f("(Mod) ~p", [[a1,a2]]), [m1,m2,m4], S), 276 {ok, _} = eval(f("(App) ~p", [R]), A, S), 277 {ok, _} = eval(f("(App) ~p", [[r1]]), [a1,a2], S), 278 % special 2 steps 279 {ok, _} = eval("(Lin) M", AllDefAt, S), 280 AnalyzedV = eval("(Fun) AM", S), 281 {ok, _} = eval(f("(Fun) ~p", [A]), AnalyzedV, S), 282 {ok, _} = eval(f("(Mod) ~p", [R]), AM, S), 283 % special 4 steps 284 AnalyzedAllDefAt = eval("(Lin) AM", S), 285 {ok, _} = eval("(Lin) R", AnalyzedAllDefAt, S), 286 287 % edges 288 Ms = [{m1,m2},{m1,m3},{m2,m1},{m2,m3},{m3,m3}], 289 UMs = [{m2,m17},{m3,m1}], 290 AllMs = append(Ms, UMs), 291 As = [{a1,a2},{a1,a3},{a2,a1},{a2,a3},{a3,a3}], 292 Rs = [{r1,r1},{r1,r2},{r2,r2}], 293 294 % general 1 step 295 {ok, _} = eval("(Fun) (Lin) E", AllE, S), 296 {ok, _} = eval(f("(Fun)(Lin) ~p", [[E1, E6]]), [E1, E6], S), 297 {ok, _} = eval("(Mod) E", AllMs, S), 298 {ok, _} = eval(f("(Mod) ~p", [[E1, E6]]), [{m1,m2},{m2,m3}], S), 299 {ok, _} = eval(f("(App) ~p", [As]), As, S), 300 {ok, _} = eval("(App) [m1->m2,m2->m3]", [{a1,a2},{a2,a3}], S), 301 {ok, _} = eval(f("(Rel) ~p", [As]), Rs, S), 302 {ok, _} = eval("(Rel) a1->a2", [{r1,r1}], S), 303 304 % special 1 step 305 {ok, _} = eval("(XXL) (Lin) (Fun) E", AllCallAt, S), 306 {ok, _} = eval("(XXL) (XXL) (Lin) (Fun) E", AllCallAt, S), 307 308 {ok, _} = eval(f("(XXL) (Lin) ~p", [[E1, E6]]), 309 [{{D1,D3},[13]}, {{D7,D4},[12]}], S), 310 {ok, _} = eval(f("(Fun) ~p", [AllMs]), AllE, S), 311 {ok, _} = eval("(Fun) [m1->m2,m2->m3]", [E1,E2,E6], S), 312 {ok, _} = eval(f("(Mod) ~p", [As]), Ms, S), 313 {ok, _} = eval("(Mod) [a1->a2,a2->a3]", [{m1,m2},{m2,m3}], S), 314 {ok, _} = eval(f("(App) ~p", [Rs]), As, S), 315 {ok, _} = eval("(App) r1->r1", [{a1,a2},{a2,a1}], S), 316 ok. 317 318%% Inter Call Graph 319intergraph(Conf) when is_list(Conf) -> 320 S0 = new(), 321 322 F1 = {m1,f1,1}, % X 323 F2 = {m1,f2,2}, % X 324 F3 = {m1,f3,3}, 325 F4 = {m1,f4,4}, 326 F5 = {m1,f5,5}, 327 328 F6 = {m2,f1,6}, % X 329 F7 = {m2,f1,7}, 330 F8 = {m2,f1,8}, 331 F9 = {m2,f1,9}, 332 F10 = {m2,f1,10}, 333 F11 = {m2,f1,11}, 334 335 % Note: E1 =:= E4! 336 E1 = {F2,F1}, 337 E2 = {F2,F3}, 338 E3 = {F3,F1}, 339 E4 = {F2,F1}, % X 340 E5 = {F4,F2}, 341 E6 = {F5,F4}, 342 E7 = {F4,F5}, 343 344 E8 = {F6,F7}, 345 E9 = {F7,F8}, 346 E10 = {F8,F1}, % X 347 E11 = {F6,F9}, 348 E12 = {F6,F10}, 349 E13 = {F9,F11}, 350 E14 = {F10,F11}, 351 E15 = {F11,F1}, % X 352 353 D1 = {F1,1}, 354 D2 = {F2,2}, 355 D3 = {F3,3}, 356 D4 = {F4,4}, 357 D5 = {F5,5}, 358 DefAt_m1 = [D1,D2,D3,D4,D5], 359 X_m1 = [F1,F2], 360 % L_m1 = [F3,F4,F5], 361 XC_m1 = [E4], 362 LC_m1 = [E1,E2,E3,E5,E6,E7], 363 % Note: E1 and E4 together! 364 LCallAt_m1 = [{E1,1},{E2,2},{E3,3},{E5,5},{E6,6},{E7,7}], 365 XCallAt_m1 = [{E1,4}], 366 Info1 = #xref_mod{name = m1, app_name = [a1]}, 367 S1 = add_module(S0, Info1, DefAt_m1, X_m1, LCallAt_m1, XCallAt_m1, 368 XC_m1, LC_m1), 369 370 D6 = {F6,6}, 371 D7 = {F7,7}, 372 D8 = {F8,8}, 373 D9 = {F9,9}, 374 D10 = {F10,10}, 375 D11 = {F11,11}, 376 DefAt_m2 = [D6,D7,D8,D9,D10,D11], 377 X_m2 = [F6], 378 % L_m2 = [F7,F8,F9,F10,F11], 379 XC_m2 = [E10,E15], 380 LC_m2 = [E8,E9,E11,E12,E13,E14], 381 LCallAt_m2 = [{E8,8},{E9,9},{E11,11},{E12,12},{E13,13},{E14,14}], 382 XCallAt_m2 = [{E10,10},{E15,15}], 383 Info2 = #xref_mod{name = m2, app_name = [a2]}, 384 S2 = add_module(S1, Info2, DefAt_m2, X_m2, LCallAt_m2, XCallAt_m2, 385 XC_m2, LC_m2), 386 387 AppInfo1 = #xref_app{name = a1, rel_name = [r1]}, 388 S5 = add_application(S2, AppInfo1), 389 AppInfo2 = #xref_app{name = a2, rel_name = [r1]}, 390 S6 = add_application(S5, AppInfo2), 391 392 RelInfo = #xref_rel{name = r1}, 393 S7 = add_release(S6, RelInfo), 394 395 S = set_up(S7), 396 397 {ok, _} = eval("EE | m1", [E1,E5,E6,E7], S), 398 {ok, _} = eval("EE | m2", [{F6,F1}], S), 399 {ok, _} = eval("EE | m2 + EE | m2", [{F6,F1}], S), 400 401 {ok, _} = eval("(Fun)(Lin)(E | m1)", 402 to_external(union(set(XC_m1), set(LC_m1))), S), 403 {ok, _} = eval("(XXL)(ELin) (EE | m1)", 404 [{{D2,D1},[1,2,4]},{{D4,D2},[5]},{{D5,D4},[6]},{{D4,D5},[7]}], 405 S), 406 {ok, _} = eval("(XXL)(ELin)(EE | m2)", [{{D6,D1},[8,11,12]}], S), 407 {ok, _} = eval("(XXL)(ELin)(ELin)(EE | m2)", 408 [{{D6,D1},[8,11,12]}], S), 409 410 %% Combining graphs (equal or different): 411 {ok, _} = eval("(XXL)(ELin)(EE | m2 + EE | m2)", 412 [{{D6,D1},[8,11,12]}], S), 413 {ok, _} = eval("(XXL)(ELin)(EE | m2 * EE | m2)", 414 [{{D6,D1},[8,11,12]}], S), 415 {ok, _} = eval("(XXL)(ELin)(EE | m2 - EE | m1)", 416 [{{D6,D1},[8,11,12]}], S), 417 {ok, _} = eval("(XXL)(ELin)(EE | m2 - E | m2)", 418 [{{D6,D1},[8,11,12]}], S), 419 {ok, _} = eval("(XXL)(ELin)(Fun)(ELin)(EE | m2)", 420 [{{D6,D1},[8,11,12]}], S), 421 {ok, _} = eval("EE | m1 + E | m1", LC_m1, S), 422 {ok, _} = eval(f("EE | ~p + E | ~p", [F2, F2]), [E1,E2], S), 423 %% [1,4] from 'calls' is a subset of [1,2,4] from Inter Call Graph: 424 {ok, _} = eval(f("(XXL)(Lin) (E | ~p)", [F2]), 425 [{{D2,D1},[1,4]},{{D2,D3},[2]}], S), 426 427 {ok, _} = eval(f("(XXL)(ELin) (EE | ~p)", [F2]), 428 [{{D2,D1},[1,2,4]}], S), 429 {ok, _} = eval(f("(XXL)((ELin)(EE | ~p) + (Lin)(E | ~p))", [F2, F2]), 430 [{{D2,D1},[1,2,4]},{{D2,D3},[2]}], S), 431 {ok, _} = 432 eval(f("(XXL)((ELin) ~p + (Lin) ~p)", [{F2, F1}, {F2, F1}]), 433 [{{D2,D1},[1,2,4]}], S), 434 {ok, _} = eval(f("(Fun)(Lin) ~p", [{F2, F1}]), [E1], S), 435 %% The external call E4 is included in the reply: 436 {ok, _} = eval("(XXL)(Lin)(LC | m1)", 437 [{{D2,D1},[1,4]},{{D2,D3},[2]},{{D3,D1},[3]}, 438 {{D4,D2},[5]},{{D4,D5},[7]},{{D5,D4},[6]}], S), 439 %% The local call E1 is included in the reply: 440 {ok, _} = eval("(XXL)(Lin)(XC | m1)", [{{D2,D1},[1,4]}], S), 441 442 {ok, _} = eval(f("(LLin) (E | ~p || ~p) + (XLin) (E | ~p || ~p)", 443 [F2, F1, F2, F1]), [{E4,[1,4]}], S), 444 445 {ok, _} = eval("# (ELin) E", 6, S), 446 447 ok. 448 449%% More test of Inter Call Graph, and regular expressions 450lines(Conf) when is_list(Conf) -> 451 S0 = new(), 452 453 F1 = {m1,f1,1}, % X 454 F2 = {m1,f2,2}, 455 F3 = {m1,f3,3}, 456 F4 = {m2,f4,4}, % X 457 F5 = {m1,f5,5}, % X 458 F6 = {m1,f6,6}, 459 460 E1 = {F1,F2}, 461 E2 = {F2,F1}, % X 462 E3 = {F3,F2}, 463 E4 = {F1,F4}, % X 464 E5 = {F2,F4}, % X 465 E6 = {F5,F6}, 466 E7 = {F6,F4}, % X 467 468 D1 = {F1,1}, 469 D2 = {F2,2}, 470 D3 = {F3,3}, 471 D4 = {F4,4}, 472 D5 = {F5,5}, 473 D6 = {F6,6}, 474 475 DefAt_m1 = [D1,D2,D3,D5,D6], 476 X_m1 = [F1,F5], 477 % L_m1 = [F2,F3,F6], 478 XC_m1 = [E4,E5,E7], 479 LC_m1 = [E1,E2,E3,E6], 480 LCallAt_m1 = [{E1,1},{E3,3},{E6,6}], 481 XCallAt_m1 = [{E2,2},{E4,4},{E5,5},{E7,7}], 482 Info1 = #xref_mod{name = m1, app_name = [a1]}, 483 S1 = add_module(S0, Info1, DefAt_m1, X_m1, LCallAt_m1, XCallAt_m1, 484 XC_m1, LC_m1), 485 486 DefAt_m2 = [D4], 487 X_m2 = [F4], 488 % L_m2 = [], 489 XC_m2 = [], 490 LC_m2 = [], 491 LCallAt_m2 = [], 492 XCallAt_m2 = [], 493 Info2 = #xref_mod{name = m2, app_name = [a2]}, 494 S2 = add_module(S1, Info2, DefAt_m2, X_m2, LCallAt_m2, XCallAt_m2, 495 XC_m2, LC_m2), 496 497 AppInfo1 = #xref_app{name = a1, rel_name = [r1]}, 498 S5 = add_application(S2, AppInfo1), 499 AppInfo2 = #xref_app{name = a2, rel_name = [r1]}, 500 S6 = add_application(S5, AppInfo2), 501 502 RelInfo = #xref_rel{name = r1}, 503 S7 = add_release(S6, RelInfo), 504 505 S = set_up(S7), 506 507 {ok, _} = eval("(XXL) (ELin) (EE | m1)", 508 [{{D1,D1},[1]},{{D1,D4},[1,4]},{{D3,D1},[3]},{{D3,D4},[3]}, 509 {{D5,D4},[6]}], S), 510 {ok, _} = eval("(XXL)(Lin) (E | m1)", 511 [{{D1,D2},[1]},{{D1,D4},[4]},{{D2,D1},[2]}, 512 {{D2,D4},[5]},{{D3,D2},[3]},{{D5,D6},[6]},{{D6,D4},[7]}], 513 S), 514 {ok, _} = eval("(E | m1) + (EE | m1)", 515 [E1,E2,E3,E4,E5,E6,E7,{F1,F1},{F3,F1},{F3,F4},{F5,F4}], 516 S), 517 {ok, _} = eval("(Lin)(E | m1)", 518 [{E4,[4]},{E1,[1]},{E2,[2]},{E5,[5]}, 519 {E3,[3]},{E7,[7]},{E6,[6]}], S), 520 {ok, _} = eval("(ELin)(EE | m1)", 521 [{{F1,F1},[1]},{{F1,F4},[1,4]},{{F3,F1},[3]},{{F3,F4},[3]}, 522 {{F5,F4},[6]}], S), 523 {ok, _} = eval("(Lin)(E | m1) + (ELin)(EE | m1)", 524 [{E4,[1,4]},{E1,[1]},{E2,[2]},{E5,[5]}, 525 {E3,[3]},{E7,[7]},{E6,[6]}, 526 {{F1,F1},[1]},{{F3,F1},[3]},{{F3,F4},[3]}, 527 {{F5,F4},[6]}], S), 528 {ok, _} = eval("(Lin)(E | m1) - (ELin)(EE | m1)", 529 [{E1,[1]},{E2,[2]},{E5,[5]}, 530 {E3,[3]},{E7,[7]},{E6,[6]}], S), 531 {ok, _} = eval("(Lin)(E | m1) * (ELin)(EE | m1)", 532 [{E4,[4]}], S), 533 {ok, _} = eval("(XXL)(Lin) (E | m1)", 534 [{{D1,D4},[4]},{{D1,D2},[1]},{{D2,D1},[2]},{{D2,D4},[5]}, 535 {{D3,D2},[3]},{{D6,D4},[7]},{{D5,D6},[6]}], S), 536 {ok, _} = eval("(XXL)(ELin) (EE | m1)", 537 [{{D1,D1},[1]},{{D1,D4},[1,4]},{{D3,D1},[3]},{{D3,D4},[3]}, 538 {{D5,D4},[6]}], S), 539 {ok, _} = eval("(XXL)(Lin)(Fun)(Lin) (E | m1)", 540 [{{D1,D4},[4]},{{D1,D2},[1]},{{D2,D1},[2]},{{D2,D4},[5]}, 541 {{D3,D2},[3]},{{D6,D4},[7]},{{D5,D6},[6]}], S), 542 {ok, _} = eval("(XXL)(ELin)(Fun)(ELin) (EE | m1)", 543 [{{D1,D1},[1]},{{D1,D4},[1,4]},{{D3,D1},[3]},{{D3,D4},[3]}, 544 {{D5,D4},[6]}], S), 545 546 %% A few tests on regexp. 547 {ok, _} = eval("\"(foo\":Mod", parse_error, S), 548 {ok, _} = eval("_Foo:_/_", parse_error, S), 549 {ok, _} = eval("\".*foo\"", parse_error, S), 550 {ok, _} = eval("_:_/_:Lin", parse_error, S), 551 {ok, _} = eval("_:_/_:Mod", parse_error, S), 552 {ok, _} = eval("_:_/_:App", parse_error, S), 553 {ok, _} = eval("_:_/_:Rel", parse_error, S), 554 {ok, _} = eval("m2:_/4", [F4], S), 555 {ok, _} = eval("m2:_/4:Fun", [F4], S), 556 {ok, _} = eval("\"m.?\":\"f.*\"/\"6\"", [F6], S), 557 {ok, _} = eval("_:_/6", [F6], S), 558 {ok, _} = eval("m1:\"f1\"/_", [F1], S), 559 {ok, _} = eval("\"m1\":f1/_", [F1], S), 560 {ok, _} = eval("\"m1\":Mod", [m1], S), 561 {ok, _} = eval("\"a1\":App", [a1], S), 562 {ok, _} = eval("\"r1\":Rel", [r1], S), 563 {ok, _} = eval("_:_/-1", [], S), 564 565 ok. 566 567%% More Inter Call Graph, loops and "unusual" cases 568loops(Conf) when is_list(Conf) -> 569 S0 = new(), 570 571 F1 = {m1,f1,1}, % X 572 F2 = {m1,f2,2}, 573 F3 = {m1,f3,3}, % X 574 F4 = {m1,f4,4}, 575 F5 = {m1,f5,5}, 576 F6 = {m1,f1,6}, % X 577 F7 = {m1,f1,7}, 578 579 E1 = {F1,F1}, % X 580 E2 = {F2,F2}, 581 E3 = {F3,F4}, 582 E4 = {F4,F5}, 583 E5 = {F5,F3}, % X 584 585 D1 = {F1,1}, 586 D2 = {F2,2}, 587 D3 = {F3,3}, 588 D4 = {F4,4}, 589 D5 = {F5,5}, 590 D6 = {F6,6}, 591 D7 = {F7,7}, 592 DefAt_m1 = [D1,D2,D3,D4,D5,D6,D7], 593 X_m1 = [F1,F3,F6], 594 % L_m1 = [F2,F4,F5], 595 XC_m1 = [], 596 LC_m1 = [E1,E2,E3,E4,E5], 597 LCallAt_m1 = [{E2,2},{E3,3},{E4,4}], 598 XCallAt_m1 = [{E1,1},{E5,5}], 599 Info1 = #xref_mod{name = m1, app_name = [a1]}, 600 S1 = add_module(S0, Info1, DefAt_m1, X_m1, LCallAt_m1, XCallAt_m1, 601 XC_m1, LC_m1), 602 603 S = set_up(S1), 604 605 % Neither F6 nor F7 is included. Perhaps one should change that? 606 {ok, _} = eval("EE | m1", [E1,E2,{F3,F3}], S), 607 {ok, _} = eval(f("(XXL)(ELin) (EE | ~p)", [F3]), [{{D3,D3},[3]}], S), 608 609 {ok, _} = eval("m1->m1 | m1->m1", type_error, S), 610 {ok, _} = eval(f("~p | ~p", [F2, F1]), type_error, S), 611 612 {ok, _} = eval(f("range (closure EE | ~p)", [F1]), [F1], S), 613 {ok, _} = eval(f("domain (closure EE || ~p)", [F3]), [F3], S), 614 615 {ok, _} = eval(f("domain (closure E || ~p)", [F3]), [F3,F4,F5], S), 616 617 {ok, _} = eval("components E", [[F1],[F2],[F3,F4,F5]], S), 618 {ok, _} = eval("components EE", [[F1],[F2],[F3]], S), 619 620 ok. 621 622%% Simple tests when there is no data 623no_data(Conf) when is_list(Conf) -> 624 S0 = new(), 625 S1 = set_up(S0), 626 {ok, _} = eval("M", [], S1), 627 {ok, _} = eval("A", [], S1), 628 {ok, _} = eval("R", [], S1), 629 630 ModInfo = #xref_mod{name = m, app_name = []}, 631 S2 = add_module(S1, ModInfo, [], [], [], [], [], []), 632 AppInfo = #xref_app{name = a, rel_name = []}, 633 S3 = add_application(S2, AppInfo), 634 RelInfo = #xref_rel{name = r, dir = ""}, 635 S4 = add_release(S3, RelInfo), 636 S5 = set_up(S4), 637 {ok, _} = eval("M", [m], S5), 638 {ok, _} = eval("A", [a], S5), 639 {ok, _} = eval("R", [r], S5), 640 ok. 641 642%% Modules mode 643modules(Conf) when is_list(Conf) -> 644 CopyDir = ?copydir, 645 Dir = fname(CopyDir, "rel2"), 646 X = fname(Dir, "x.erl"), 647 Y = fname(Dir, "y.erl"), 648 A1_1 = fname([Dir,"lib","app1-1.1"]), 649 A2 = fname([Dir,"lib","app2-1.1"]), 650 EB1_1 = fname(A1_1, "ebin"), 651 EB2 = fname(A2, "ebin"), 652 Xbeam = fname(EB2, "x.beam"), 653 Ybeam = fname(EB1_1, "y.beam"), 654 655 {ok, x} = compile:file(X, [debug_info, {outdir,EB2}]), 656 {ok, y} = compile:file(Y, [debug_info, {outdir,EB1_1}]), 657 658 {ok, S0} = xref_base:new([{xref_mode, modules}]), 659 {ok, release2, S1} = 660 xref_base:add_release(S0, Dir, [{name,release2}]), 661 S = set_up(S1), 662 {{error, _, {unavailable_analysis, undefined_function_calls}}, _} = 663 xref_base:analyze(S, undefined_function_calls), 664 {{error, _, {unavailable_analysis, locals_not_used}}, _} = 665 xref_base:analyze(S, locals_not_used), 666 {{error, _, {unavailable_analysis, {call, foo}}}, _} = 667 xref_base:analyze(S, {call, foo}), 668 {{error, _, {unavailable_analysis, {use, foo}}}, _} = 669 xref_base:analyze(S, {use, foo}), 670 {ok, _} = analyze(undefined_functions, [{x,undef,0}], S), 671 5 = length(xref_base:info(S)), 672 673 %% More: all info, conversions. 674 675 ok = file:delete(Xbeam), 676 ok = file:delete(Ybeam), 677 ok = xref_base:delete(S), 678 ok. 679 680 681%% Add modules, applications, releases, directories 682add(Conf) when is_list(Conf) -> 683 CopyDir = ?copydir, 684 Dir = fname(CopyDir, "rel2"), 685 UDir = fname([CopyDir,"dir","unreadable"]), 686 DDir = fname(CopyDir,"dir"), 687 UFile = fname([DDir, "dir","unreadable.beam"]), 688 X = fname(Dir, "x.erl"), 689 Y = fname(Dir, "y.erl"), 690 A1_1 = fname([Dir,"lib","app1-1.1"]), 691 A2 = fname([Dir,"lib","app2-1.1"]), 692 EB1_1 = fname(A1_1, "ebin"), 693 EB2 = fname(A2, "ebin"), 694 Xbeam = fname(EB2, "x.beam"), 695 Ybeam = fname(EB1_1, "y.beam"), 696 697 {ok, x} = compile:file(X, [debug_info, {outdir,EB2}]), 698 {ok, y} = compile:file(Y, [debug_info, {outdir,EB1_1}]), 699 700 case os:type() of 701 {unix, _} -> 702 make_udir(UDir), 703 make_ufile(UFile); 704 _ -> 705 true 706 end, 707 708 {error, _, {invalid_options,[not_an_option] }} = 709 xref_base:new([not_an_option]), 710 {error, _, {invalid_options,[{verbose,not_a_value}] }} = 711 xref_base:new([{verbose,not_a_value}]), 712 S = new(), 713 {error, _, {invalid_options,[not_an_option]}} = 714 xref_base:set_up(S, [not_an_option]), 715 {error, _, {invalid_options,[{builtins,true},not_an_option]}} = 716 xref_base:add_directory(S, foo, [{builtins,true},not_an_option]), 717 {error, _, {invalid_options,[{builtins,not_a_value}]}} = 718 xref_base:add_directory(S, foo, [{builtins,not_a_value}]), 719 {error, _, {invalid_filename,{foo,bar}}} = 720 xref_base:add_directory(S, {foo,bar}, []), 721 {error, _, {invalid_options,[{builtins,true},not_an_option]}} = 722 xref_base:add_module(S, foo, [{builtins,true},not_an_option]), 723 {error, _, {invalid_options,[{builtins,not_a_value}]}} = 724 xref_base:add_module(S, foo, [{builtins,not_a_value}]), 725 {error, _, {invalid_filename,{foo,bar}}} = 726 xref_base:add_module(S, {foo,bar}, []), 727 {error, _, {invalid_options,[{builtins,true},not_an_option]}} = 728 xref_base:add_application(S, foo, [{builtins,true},not_an_option]), 729 {error, _, {invalid_options,[{builtins,not_a_value}]}} = 730 xref_base:add_application(S, foo, [{builtins,not_a_value}]), 731 {error, _, {invalid_filename,{foo,bar}}} = 732 xref_base:add_application(S, {foo,bar}, []), 733 {error, _, {invalid_options,[not_an_option]}} = 734 xref_base:add_release(S, foo, [not_an_option]), 735 {error, _, {invalid_options,[{builtins,not_a_value}]}} = 736 xref_base:add_release(S, foo, [{builtins,not_a_value}]), 737 {error, _, {invalid_filename,{foo,bar}}} = 738 xref_base:add_release(S, {foo,bar}, []), 739 {ok, S1} = 740 xref_base:set_default(S, [{verbose,false}, {warnings, false}]), 741 case os:type() of 742 {unix, _} -> 743 {error, _, {file_error, _, _}} = 744 xref_base:add_release(S, UDir), 745 true; 746 _ -> 747 true 748 end, 749 {error, _, {file_error, _, _}} = 750 xref_base:add_release(S, fname(["/a/b/c/d/e/f","__foo"])), 751 {ok, release2, S2} = 752 xref_base:add_release(S1, Dir, [{name,release2}]), 753 {error, _, {module_clash, {x, _, _}}} = 754 xref_base:add_module(S2, Xbeam), 755 {ok, S3} = xref_base:remove_release(S2, release2), 756 {ok, rel2, S4} = xref_base:add_release(S3, Dir), 757 {error, _, {release_clash, {rel2, _, _}}} = 758 xref_base:add_release(S4, Dir), 759 {ok, S5} = xref_base:remove_release(S4, rel2), 760 %% One unreadable file and one JAM file found (no verification here): 761 {ok, [], S6} = xref_base:add_directory(S5, fname(CopyDir,"dir"), 762 [{recurse,true}, {warnings,true}]), 763 case os:type() of 764 {unix, _} -> 765 {error, _, {file_error, _, _}} = 766 xref_base:add_directory(S6, UDir), 767 true; 768 _ -> 769 true 770 end, 771 {ok, app1, S7} = xref_base:add_application(S6, A1_1), 772 {error, _, {application_clash, {app1, _, _}}} = 773 xref_base:add_application(S7, A1_1), 774 {ok, S8} = xref_base:remove_application(S7, app1), 775 ok = xref_base:delete(S8), 776 ok = file:delete(Xbeam), 777 ok = file:delete(Ybeam), 778 case os:type() of 779 {unix, _} -> 780 ok = file:del_dir(UDir), 781 ok = file:delete(UFile); 782 _ -> 783 true 784 end, 785 ok. 786 787%% Default values of options 788default(Conf) when is_list(Conf) -> 789 S = new(), 790 {error, _, {invalid_options,[not_an_option]}} = 791 xref_base:set_default(S, not_an_option, true), 792 {error, _, {invalid_options,[{builtins, not_a_value}]}} = 793 xref_base:set_default(S, builtins, not_a_value), 794 {error, _, {invalid_options,[not_an_option]}} = 795 xref_base:get_default(S, not_an_option), 796 {error, _, {invalid_options,[not_an_option]}} = 797 xref_base:set_default(S, [not_an_option]), 798 799 D = xref_base:get_default(S), 800 [{builtins,false},{recurse,false},{verbose,false},{warnings,true}] = 801 D, 802 803 ok = xref_base:delete(S), 804 ok. 805 806%% The info functions 807info(Conf) when is_list(Conf) -> 808 CopyDir = ?copydir, 809 Dir = fname(CopyDir,"rel2"), 810 LDir = fname(CopyDir,"lib_test"), 811 X = fname(Dir, "x.erl"), 812 Y = fname(Dir, "y.erl"), 813 A1_1 = fname([Dir,"lib","app1-1.1"]), 814 A2 = fname([Dir,"lib","app2-1.1"]), 815 EB1_1 = fname(A1_1, "ebin"), 816 EB2 = fname(A2, "ebin"), 817 Xbeam = fname(EB2, "x.beam"), 818 Ybeam = fname(EB1_1, "y.beam"), 819 820 {ok, x} = compile:file(X, [debug_info, {outdir,EB2}]), 821 {ok, y} = compile:file(Y, [debug_info, {outdir,EB1_1}]), 822 823 {ok, _} = start(s), 824 {error, _, {no_such_info, release}} = xref:info(s, release), 825 {error, _, {no_such_info, release}} = xref:info(s, release, rel), 826 {error, _, {no_such_module, mod}} = xref:info(s, modules, mod), 827 {error, _, {no_such_application, app}} = 828 xref:info(s, applications, app), 829 {error, _, {no_such_release, rel}} = xref:info(s, releases, rel), 830 ok = xref:set_default(s, [{verbose,false}, {warnings, false}]), 831 {ok, rel2} = xref:add_release(s, Dir), 832 9 = length(xref:info(s)), 833 [{x,_}, {y, _}] = xref:info(s, modules), 834 [{app1,_}, {app2, _}] = xref:info(s, applications), 835 [{rel2,_}] = xref:info(s, releases), 836 [] = xref:info(s, libraries), 837 [{x,_}] = xref:info(s, modules, x), 838 [{rel2,_}] = xref:info(s, releases, rel2), 839 {error, _, {no_such_library, foo}} = xref:info(s, libraries, [foo]), 840 841 {ok, lib1} = 842 compile:file(fname(LDir,lib1),[debug_info,{outdir,LDir}]), 843 {ok, lib2} = 844 compile:file(fname(LDir,lib2),[debug_info,{outdir,LDir}]), 845 ok = xref:set_library_path(s, [LDir], [{verbose,false}]), 846 [{lib1,_}, {lib2, _}] = xref:info(s, libraries), 847 [{lib1,_}, {lib2, _}] = xref:info(s, libraries, [lib1,lib2]), 848 ok = file:delete(fname(LDir, "lib1.beam")), 849 ok = file:delete(fname(LDir, "lib2.beam")), 850 851 check_state(s), 852 853 xref:stop(s), 854 855 ok = file:delete(Xbeam), 856 ok = file:delete(Ybeam), 857 858 ok. 859 860%% Library modules 861lib(Conf) when is_list(Conf) -> 862 CopyDir = ?copydir, 863 Dir = fname(CopyDir,"lib_test"), 864 UDir = fname([CopyDir,"dir","non_existent"]), 865 866 {ok, lib1} = compile:file(fname(Dir,lib1),[debug_info,{outdir,Dir}]), 867 {ok, lib2} = compile:file(fname(Dir,lib2),[debug_info,{outdir,Dir}]), 868 {ok, lib3} = compile:file(fname(Dir,lib3),[debug_info,{outdir,Dir}]), 869 {ok, t} = compile:file(fname(Dir,t),[debug_info,{outdir,Dir}]), 870 871 {ok, _} = start(s), 872 ok = xref:set_default(s, [{verbose,false}, {warnings, false}]), 873 {ok, t} = xref:add_module(s, fname(Dir,"t.beam")), 874 {error, _, {invalid_options,[not_an_option]}} = 875 xref:set_library_path(s, ["foo"], [not_an_option]), 876 {error, _, {invalid_path,otp}} = xref:set_library_path(s,otp), 877 {error, _, {invalid_path,[""]}} = xref:set_library_path(s,[""]), 878 {error, _, {invalid_path,[[$a | $b]]}} = 879 xref:set_library_path(s,[[$a | $b]]), 880 {error, _, {invalid_path,[otp]}} = xref:set_library_path(s,[otp]), 881 {ok, []} = xref:get_library_path(s), 882 ok = xref:set_library_path(s, [Dir], [{verbose,false}]), 883 {ok, UnknownFunctions} = xref:q(s, "U"), 884 [{lib1,unknown,0}, {lib2,local,0}, 885 {lib2,unknown,0}, {unknown,unknown,0}] 886 = UnknownFunctions, 887 {ok, [{lib2,f,0},{lib3,f,0}]} = xref:q(s, "DF"), 888 {ok, []} = xref:q(s, "DF_1"), 889 {ok, [{lib2,f,0}]} = xref:q(s, "DF_2"), 890 {ok, [{lib2,f,0}]} = xref:q(s, "DF_3"), 891 892 {ok, [unknown]} = xref:q(s, "UM"), 893 {ok, UnknownDefAt} = xref:q(s, "(Lin)U"), 894 [{{lib1,unknown,0},0},{{lib2,local,0},0}, {{lib2,unknown,0},0}, 895 {{unknown,unknown,0},0}] = UnknownDefAt, 896 {ok, LibFuns} = xref:q(s, "X * LM"), 897 [{lib2,f,0},{lib3,f,0}] = LibFuns, 898 {ok, LibMods} = xref:q(s, "LM"), 899 [lib1,lib2,lib3] = LibMods, 900 {ok, [{{lib2,f,0},0},{{lib3,f,0},0}]} = xref:q(s, "(Lin) (LM * X)"), 901 {ok, [{{lib1,unknown,0},0}, {{lib2,f,0},0}, {{lib2,local,0},0}, 902 {{lib2,unknown,0},0}, {{lib3,f,0},0}]} = xref:q(s,"(Lin)LM"), 903 {ok,[lib1,lib2,lib3,t,unknown]} = xref:q(s,"M"), 904 {ok,[{lib2,f,0},{lib3,f,0},{t,t,0}]} = xref:q(s,"X * M"), 905 check_state(s), 906 907 copy_file(fname(Dir, "lib1.erl"), fname(Dir,"lib1.beam")), 908 ok = xref:set_library_path(s, [Dir]), 909 {error, _, _} = xref:q(s, "U"), 910 911 %% OTP-3921. AM and LM not always disjoint. 912 {ok, lib1} = compile:file(fname(Dir,lib1),[debug_info,{outdir,Dir}]), 913 {ok, lib1} = xref:add_module(s, fname(Dir,"lib1.beam")), 914 check_state(s), 915 916 {error, _, {file_error, _, _}} = xref:set_library_path(s, [UDir]), 917 918 xref:stop(s), 919 ok = file:delete(fname(Dir, "lib1.beam")), 920 ok = file:delete(fname(Dir, "lib2.beam")), 921 ok = file:delete(fname(Dir, "lib3.beam")), 922 ok = file:delete(fname(Dir, "t.beam")), 923 924 {ok, cp} = compile:file(fname(Dir,cp),[debug_info,{outdir,Dir}]), 925 {ok, _} = start(s), 926 ok = xref:set_default(s, [{verbose,false}, {warnings, false}]), 927 {ok, cp} = xref:add_module(s, fname(Dir,"cp.beam")), 928 {ok, [{lists, sort, 1}]} = xref:q(s, "U"), 929 ok = xref:set_library_path(s, code_path), 930 {ok, []} = xref:q(s, "U"), 931 check_state(s), 932 xref:stop(s), 933 ok = file:delete(fname(Dir, "cp.beam")), 934 ok. 935 936%% Data read from the Abstract Code 937read(Conf) when is_list(Conf) -> 938 CopyDir = ?copydir, 939 Dir = fname(CopyDir,"read"), 940 File = fname(Dir, "read"), 941 Beam = fname(Dir, "read.beam"), 942 {ok, read} = compile:file(File, [debug_info,{outdir,Dir}]), 943 do_read(File, abstract_v2), 944 copy_file(fname(Dir, "read.beam.v1"), Beam), 945 do_read(File, abstract_v1), 946 ok = file:delete(Beam), 947 ok. 948 949do_read(File, Version) -> 950 {ok, _} = start(s), 951 ok = xref:set_default(s, [{verbose,false}, {warnings, false}]), 952 {ok, read} = xref:add_module(s, File), 953 954 {U, OK, OKB} = read_expected(Version), 955 956 %% {ok, UC} = xref:q(s, "(Lin) UC"), 957 %% RR = to_external(converse(family_to_relation(family(UC)))), 958 %% lists:foreach(fun(X) -> io:format("~w~n", [X]) end, RR), 959 Unres = to_external(relation_to_family(converse(from_term(U)))), 960 {ok, Unres} = xref:q(s, "(Lin) UC"), 961 962 %% {ok, EE} = xref:q(s, "(Lin) (E - UC)"), 963 %% AA = to_external(converse(family_to_relation(family(EE)))), 964 %% lists:foreach(fun(X) -> io:format("~w~n", [X]) end, AA), 965 Calls = to_external(relation_to_family(converse(from_term(OK)))), 966 {ok, Calls} = xref:q(s, "(Lin) (E - UC) "), 967 968 ok = check_state(s), 969 {ok, UM} = xref:q(s, "UM"), 970 true = member('$M_EXPR', UM), 971 972 {ok, X} = xref:q(s, "X"), 973 true = member({read, module_info, 0}, X), 974 false = member({foo, module_info, 0}, X), 975 false = member({erlang, module_info, 0}, X), 976 {ok, Unknowns} = xref:q(s, "U"), 977 false = member({read, module_info, 0}, Unknowns), 978 true = member({foo, module_info, 0}, Unknowns), 979 true = member({erlang, module_info, 0}, Unknowns), 980 {ok, LC} = xref:q(s, "LC"), 981 true = member({{read,bi,0},{read,bi,0}}, LC), 982 983 ok = xref:set_library_path(s, add_erts_code_path(fname(code:lib_dir(kernel),ebin))), 984 io:format("~p~n",[(catch xref:get_library_path(s))]), 985 {ok, X2} = xref:q(s, "X"), 986 ok = check_state(s), 987 true = member({read, module_info, 0}, X2), 988 false = member({foo, module_info, 0}, X2), 989 true = member({erlang, module_info, 0}, X2), 990 {ok, Unknowns2} = xref:q(s, "U"), 991 false = member({read, module_info, 0}, Unknowns2), 992 true = member({foo, module_info, 0}, Unknowns2), 993 false = member({erlang, module_info, 0}, Unknowns2), 994 995 ok = xref:remove_module(s, read), 996 {ok, read} = xref:add_module(s, File, [{builtins,true}]), 997 998 UnresB = to_external(relation_to_family(converse(from_term(U)))), 999 {ok, UnresB} = xref:q(s, "(Lin) UC"), 1000 CallsB = to_external(relation_to_family(converse(from_term(OKB)))), 1001 {ok, CallsB} = xref:q(s, "(Lin) (E - UC) "), 1002 ok = check_state(s), 1003 {ok, XU} = xref:q(s, "XU"), 1004 Erl = set([{erlang,length,1},{erlang,integer,1}, 1005 {erlang,binary_to_term,1}]), 1006 [{erlang,binary_to_term,1},{erlang,length,1}] = 1007 to_external(intersection(set(XU), Erl)), 1008 xref:stop(s). 1009 1010%% What is expected when xref_SUITE_data/read/read.erl is added: 1011read_expected(Version) -> 1012 %% Line positions in xref_SUITE_data/read/read.erl: 1013 POS1 = 28, POS2 = POS1+10, POS3 = POS2+6, POS4 = POS3+6, POS5 = POS4+10, 1014 POS6 = POS5+5, POS7 = POS6+6, POS8 = POS7+6, POS9 = POS8+8, 1015 POS10 = POS9+10, POS11 = POS10+7, POS12 = POS11+8, POS13 = POS12+10, 1016 POS14 = POS13+18, POS15 = POS14+23, 1017 1018 FF = {read,funfuns,0}, 1019 U = [{POS1+5,{FF,{dist,'$F_EXPR',0}}}, 1020 {POS1+8,{FF,{dist,'$F_EXPR',0}}}, 1021 {POS2+8,{{read,funfuns,0},{expr,'$F_EXPR',1}}}, 1022 {POS3+4,{FF,{expr,'$F_EXPR',2}}}, 1023 {POS4+2,{FF,{modul,'$F_EXPR',1}}}, 1024 {POS4+4,{FF,{spm,'$F_EXPR',1}}}, 1025 {POS4+6,{FF,{spm,'$F_EXPR',1}}}, 1026 {POS4+8,{FF,{spm,'$F_EXPR',1}}}, 1027 {POS5+1,{FF,{'$M_EXPR','$F_EXPR',0}}}, 1028 {POS5+2,{FF,{'$M_EXPR','$F_EXPR',0}}}, 1029 {POS5+3,{FF,{'$M_EXPR','$F_EXPR',0}}}, 1030 {POS6+1,{FF,{'$M_EXPR','$F_EXPR',0}}}, 1031 {POS6+2,{FF,{'$M_EXPR','$F_EXPR',0}}}, 1032 {POS6+4,{FF,{n,'$F_EXPR',-1}}}, 1033 {POS7+1,{FF,{'$M_EXPR',f,1}}}, 1034 {POS7+2,{FF,{'$M_EXPR',f,1}}}, 1035 {POS8+2,{FF,{hej,'$F_EXPR',1}}}, 1036 {POS8+3,{FF,{t,'$F_EXPR',1}}}, 1037 {POS8+5,{FF,{a,'$F_EXPR',1}}}, 1038 {POS8+7,{FF,{m,'$F_EXPR',1}}}, 1039 {POS9+1,{FF,{'$M_EXPR',f,1}}}, 1040 {POS9+3,{FF,{a,'$F_EXPR',1}}}, 1041 {POS10+1,{FF,{'$M_EXPR',foo,1}}}, 1042 {POS10+2,{FF,{'$M_EXPR','$F_EXPR',1}}}, 1043 {POS10+3,{FF,{'$M_EXPR','$F_EXPR',2}}}, 1044 {POS10+4,{FF,{'$M_EXPR','$F_EXPR',1}}}, 1045 {POS10+5,{FF,{'$M_EXPR',san,1}}}, 1046 {POS10+6,{FF,{'$M_EXPR','$F_EXPR',1}}}, 1047 {POS11+1,{FF,{'$M_EXPR','$F_EXPR',1}}}, 1048 {POS11+2,{FF,{'$M_EXPR','$F_EXPR',-1}}}, 1049 {POS11+3,{FF,{m,f,-1}}}, 1050 {POS11+4,{FF,{m,f,-1}}}, 1051 {POS11+5,{FF,{'$M_EXPR','$F_EXPR',1}}}, 1052 {POS11+6,{FF,{'$M_EXPR','$F_EXPR',1}}}, 1053 {POS12+1,{FF,{'$M_EXPR','$F_EXPR',-1}}}, 1054 {POS12+4,{FF,{'$M_EXPR','$F_EXPR',2}}}, 1055 {POS12+7,{FF,{'$M_EXPR','$F_EXPR',-1}}}, 1056 {POS12+8,{FF,{m4,f4,-1}}}, 1057 {POS13+2,{FF,{debug,'$F_EXPR',0}}}, 1058 {POS13+3,{FF,{'$M_EXPR','$F_EXPR',-1}}}, 1059 {POS14+8,{{read,bi,0},{'$M_EXPR','$F_EXPR',1}}}], 1060 1061 O1 = [{20,{{read,lc,0},{ets,new,0}}}, 1062 {21,{{read,lc,0},{ets,tab2list,1}}}, 1063 {POS1+1,{FF,{erlang,spawn,1}}}, 1064 {POS1+1,{FF,{mod17,fun17,0}}}, 1065 {POS1+2,{FF,{erlang,spawn,1}}}, 1066 {POS1+2,{FF,{read,local,0}}}, 1067 {POS1+3,{FF,{erlang,spawn,1}}}, 1068 {POS1+4,{FF,{dist,func,0}}}, 1069 {POS1+4,{FF,{erlang,spawn,1}}}, 1070 {POS1+5,{FF,{erlang,spawn,1}}}, 1071 {POS1+6,{FF,{erlang,spawn_link,1}}}, 1072 {POS1+6,{FF,{mod17,fun17,0}}}, 1073 {POS1+7,{FF,{dist,func,0}}}, 1074 {POS1+7,{FF,{erlang,spawn_link,1}}}, 1075 {POS1+8,{FF,{erlang,spawn_link,1}}}, 1076 {POS2+1,{FF,{d,f,0}}}, 1077 {POS2+1,{FF,{dist,func,2}}}, 1078 {POS2+1,{FF,{erlang,spawn,2}}}, 1079 {POS2+2,{FF,{dist,func,2}}}, 1080 {POS2+2,{FF,{erlang,spawn,2}}}, 1081 {POS2+2,{FF,{mod42,func,0}}}, 1082 {POS2+3,{FF,{d,f,0}}}, 1083 {POS2+3,{FF,{dist,func,2}}}, 1084 {POS2+3,{FF,{erlang,spawn_link,2}}}, 1085 {POS2+4,{FF,{dist,func,2}}}, 1086 {POS2+4,{FF,{erlang,spawn_link,2}}}, 1087 {POS2+4,{FF,{mod42,func,0}}}, 1088 {POS3+1,{FF,{dist,func,2}}}, 1089 {POS3+3,{FF,{dist,func,2}}}, 1090 {POS4+1,{FF,{erlang,spawn,4}}}, 1091 {POS4+1,{FF,{modul,function,0}}}, 1092 {POS4+2,{FF,{erlang,spawn,4}}}, 1093 {POS4+3,{FF,{dist,func,2}}}, 1094 {POS4+3,{FF,{erlang,spawn,4}}}, 1095 {POS4+3,{FF,{spm,spf,2}}}, 1096 {POS4+4,{FF,{dist,func,2}}}, 1097 {POS4+4,{FF,{erlang,spawn,4}}}, 1098 {POS4+5,{FF,{dist,func,2}}}, 1099 {POS4+5,{FF,{erlang,spawn_link,4}}}, 1100 {POS4+5,{FF,{spm,spf,2}}}, 1101 {POS4+6,{FF,{dist,func,2}}}, 1102 {POS4+6,{FF,{erlang,spawn_link,4}}}, 1103 {POS4+7,{FF,{read,bi,0}}}, 1104 {POS4+7,{FF,{spm,spf,2}}}, 1105 {POS4+8,{FF,{read,bi,0}}}, 1106 {POS5+1,{FF,{erlang,spawn,1}}}, 1107 {POS5+2,{FF,{erlang,spawn,1}}}, 1108 {POS5+3,{FF,{erlang,spawn_link,1}}}, 1109 {POS6+1,{FF,{erlang,spawn,2}}}, 1110 {POS6+2,{FF,{erlang,spawn_link,2}}}, 1111 {POS7+1,{FF,{erlang,spawn,4}}}, 1112 {POS8+1,{FF,{hej,san,1}}}, 1113 {POS8+4,{FF,{a,b,1}}}, 1114 {POS8+6,{FF,{m,f,1}}}, 1115 {POS9+1,{FF,{read,bi,0}}}, 1116 {POS9+2,{FF,{a,b,1}}}, 1117 {POS9+4,{FF,{erlang,not_a_function,1}}}, 1118 {POS9+5,{FF,{mod,func,2}}}, 1119 {POS9+6,{FF,{erlang,apply,1}}}, 1120 {POS9+7,{FF,{math,add3,1}}}, 1121 {POS9+8,{FF,{q,f,1}}}, 1122 {POS10+5,{FF,{mod1,fun1,1}}}, 1123 {POS12+5,{FF,{m3,f3,2}}}, 1124 {POS13+1,{FF,{dm,df,1}}}, 1125 {POS13+6,{{read,bi,0},{foo,module_info,0}}}, 1126 {POS13+7,{{read,bi,0},{read,module_info,0}}}, 1127 {POS13+9,{{read,bi,0},{t,foo,1}}}, 1128 {POS14+11,{{read,bi,0},{erlang,module_info,0}}}, 1129 {POS14+17,{{read,bi,0},{read,bi,0}}}], 1130 1131 OK = case Version of 1132 abstract_v1 -> 1133 [{0,{FF,{read,'$F_EXPR',178}}}, 1134 {0,{FF,{modul,'$F_EXPR',179}}}] 1135 ++ O1; 1136 _ -> 1137 [{16,{FF,{read,'$F_EXPR',178}}}, 1138 {17,{FF,{modul,'$F_EXPR',179}}}] 1139 ++ 1140 O1 1141 end, 1142 1143 %% When builtins =:= true: 1144 OKB1 = [{POS13+1,{FF,{erts_debug,apply,4}}}, 1145 {POS13+2,{FF,{erts_debug,apply,4}}}, 1146 {POS13+3,{FF,{erts_debug,apply,4}}}, 1147 {POS1+3, {FF,{erlang,binary_to_term,1}}}, 1148 {POS3+1, {FF,{erlang,spawn,3}}}, 1149 {POS3+2, {FF,{erlang,spawn,3}}}, 1150 {POS3+3, {FF,{erlang,spawn_link,3}}}, 1151 {POS3+4, {FF,{erlang,spawn_link,3}}}, 1152 {POS4+7, {FF,{erlang,spawn_opt,4}}}, 1153 {POS4+8, {FF,{erlang,spawn_opt,4}}}, 1154 {POS6+4, {FF,{erlang,spawn,3}}}, 1155 {POS7+2, {FF,{erlang,spawn_opt,4}}}, 1156 {POS8+4,{FF,{erlang,apply,2}}}, 1157 {POS8+5,{FF,{erlang,apply,2}}}, 1158 {POS8+6,{FF,{erlang,apply,3}}}, 1159 {POS8+7,{FF,{erlang,apply,3}}}, 1160 {POS9+1,{FF,{erlang,apply,3}}}, 1161 {POS9+2,{FF,{erlang,apply,2}}}, 1162 {POS9+3,{FF,{erlang,apply,2}}}, 1163 {POS9+4,{FF,{erlang,apply,2}}}, 1164 {POS9+5,{FF,{erlang,apply,3}}}, 1165 {POS9+7,{FF,{erlang,apply,2}}}, 1166 {POS10+4,{FF,{erlang,apply,2}}}, 1167 {POS11+1,{FF,{erlang,apply,3}}}, 1168 {POS11+2,{FF,{erlang,apply,3}}}, 1169 {POS11+3,{FF,{erlang,apply,3}}}, 1170 {POS11+4,{FF,{erlang,apply,3}}}, 1171 {POS11+6,{FF,{erlang,apply,2}}}, 1172 {POS12+1,{FF,{erlang,apply,2}}}, 1173 {POS12+4,{FF,{erlang,apply,2}}}, 1174 {POS12+5,{FF,{erlang,apply,3}}}, 1175 {POS12+7,{FF,{erlang,apply,2}}}, 1176 {POS12+8,{FF,{erlang,apply,3}}}, 1177 {POS13+5, {{read,bi,0},{erlang,length,1}}}, 1178 {POS14+3, {{read,bi,0},{erlang,length,1}}}], 1179 1180 %% Operators (OTP-8647): 1181 OKB = case Version of 1182 abstract_v1 -> 1183 [{POS8+3, {FF,{erlang,apply,3}}}, 1184 {POS10+1, {FF,{erlang,apply,3}}}, 1185 {POS10+6, {FF,{erlang,apply,3}}}]; 1186 _ -> 1187 [{POS13+16, {{read,bi,0},{erlang,'!',2}}}, 1188 {POS13+16, {{read,bi,0},{erlang,'-',1}}}, 1189 {POS13+16, {{read,bi,0},{erlang,self,0}}}, 1190 {POS15+1, {{read,bi,0},{erlang,'>',2}}}, 1191 {POS15+2, {{read,bi,0},{erlang,'-',2}}}, 1192 {POS15+2, {{read,bi,0},{erlang,'*',2}}}, 1193 {POS15+8, {{read,bi,0},{erlang,'/',2}}}] 1194 end 1195 ++ [{POS14+19, {{read,bi,0},{erlang,'+',2}}}, 1196 {POS14+21, {{read,bi,0},{erlang,'+',2}}}, 1197 {POS13+16, {{read,bi,0},{erlang,'==',2}}}, 1198 {POS14+15, {{read,bi,0},{erlang,'==',2}}}, 1199 {POS13+5, {{read,bi,0},{erlang,'>',2}}}, 1200 {POS14+3, {{read,bi,0},{erlang,'>',2}}}] 1201 ++ OKB1 ++ OK, 1202 1203 {U, OK, OKB}. 1204 1205%% Data read from the Abstract Code (cont) 1206read2(Conf) when is_list(Conf) -> 1207 %% Handles the spawn_opt versions added in R9 (OTP-4180). 1208 %% Expected augmentations: try/catch, cond. 1209 CopyDir = ?copydir, 1210 Dir = fname(CopyDir,"read"), 1211 File = fname(Dir, "read2.erl"), 1212 MFile = fname(Dir, "read2"), 1213 Beam = fname(Dir, "read2.beam"), 1214 Test = <<"-module(read2). 1215 -compile(export_all). 1216 1217 f() -> 1218 spawn_opt({read2,f}, % POS2 1219 [f()]), 1220 spawn_opt(fun() -> foo end, [link]), 1221 spawn_opt(f(), 1222 {read2,f}, [{min_heap_size,1000}]), 1223 spawn_opt(f(), 1224 fun() -> f() end, [flopp]), 1225 spawn_opt(f(), 1226 read2, f, [], []); 1227 f() -> 1228 %% Duplicated unresolved calls are ignored: 1229 (f())(foo,bar),(f())(foo,bar). % POS1 1230 1231 %% Warning forms must be ignored. 1232 -warning(must_not_crash). 1233 ">>, 1234 ok = file:write_file(File, Test), 1235 {ok, read2} = compile:file(File, [debug_info,{outdir,Dir}]), 1236 1237 {ok, _} = xref:start(s), 1238 {ok, read2} = xref:add_module(s, MFile), 1239 {U0, OK0} = read2_expected(), 1240 1241 U = to_external(relation_to_family(converse(from_term(U0)))), 1242 OK = to_external(relation_to_family(converse(from_term(OK0)))), 1243 {ok, U2} = xref:q(s, "(Lin) UC"), 1244 {ok, OK2} = xref:q(s, "(Lin) (E - UC)"), 1245 true = U =:= U2, 1246 true = OK =:= OK2, 1247 ok = check_state(s), 1248 xref:stop(s), 1249 1250 ok = file:delete(File), 1251 ok = file:delete(Beam), 1252 ok. 1253 1254 1255read2_expected() -> 1256 POS1 = 16, 1257 POS2 = 5, 1258 FF = {read2,f,0}, 1259 U = [{POS1,{FF,{'$M_EXPR','$F_EXPR',2}}}], 1260 OK = [{POS2,{FF,{erlang,spawn_opt,2}}}, 1261 {POS2,{FF,FF}}, 1262 {POS2+1,{FF,FF}}, 1263 {POS2+2,{FF,{erlang,spawn_opt,2}}}, 1264 {POS2+3,{FF,{erlang,spawn_opt,3}}}, 1265 {POS2+3,{FF,FF}}, 1266 {POS2+3,{FF,FF}}, 1267 {POS2+5,{FF,{erlang,spawn_opt,3}}}, 1268 {POS2+5,{FF,FF}}, 1269 {POS2+6,{FF,FF}}, 1270 {POS2+7,{FF,{erlang,spawn_opt,5}}}, 1271 {POS2+7,{FF,FF}}, 1272 {POS2+7,{FF,FF}}, 1273 {POS1,{FF,FF}}], 1274 {U, OK}. 1275 1276%% Remove modules, applications, releases 1277remove(Conf) when is_list(Conf) -> 1278 S = new(), 1279 {error, _, {no_such_module, mod}} = 1280 xref_base:remove_module(S, mod), 1281 {error, _, {no_such_application, app}} = 1282 xref_base:remove_application(S, app), 1283 {error, _, {no_such_release, rel}} = 1284 xref_base:remove_release(S, rel), 1285 ok = xref_base:delete(S), 1286 ok. 1287 1288%% Replace modules, applications, releases 1289replace(Conf) when is_list(Conf) -> 1290 CopyDir = ?copydir, 1291 Dir = fname(CopyDir,"rel2"), 1292 X = fname(Dir, "x.erl"), 1293 Y = fname(Dir, "y.erl"), 1294 A1_0 = fname(Dir, fname("lib","app1-1.0")), 1295 A1_1 = fname(Dir, fname("lib","app1-1.1")), 1296 A2 = fname(Dir, fname("lib","app2-1.1")), 1297 EB1_0 = fname(A1_0, "ebin"), 1298 EB1_1 = fname(A1_1, "ebin"), 1299 Xbeam = fname(EB1_1, "x.beam"), 1300 Ybeam = fname(EB1_1, "y.beam"), 1301 1302 {ok, x} = compile:file(X, [debug_info, {outdir,EB1_0}]), 1303 {ok, x} = compile:file(X, [debug_info, {outdir,EB1_1}]), 1304 {ok, y} = compile:file(Y, [debug_info, {outdir,EB1_1}]), 1305 1306 {ok, _} = start(s), 1307 {ok, false} = xref:set_default(s, verbose, false), 1308 {ok, true} = xref:set_default(s, warnings, false), 1309 {ok, rel2} = xref:add_release(s, Dir, []), 1310 {error, _, _} = xref:replace_application(s, app1, "no_data"), 1311 {error, _, {no_such_application, app12}} = 1312 xref:replace_application(s, app12, A1_0, []), 1313 {error, _, {invalid_filename,{foo,bar}}} = 1314 xref:replace_application(s, app1, {foo,bar}, []), 1315 {error, _, {invalid_options,[not_an_option]}} = 1316 xref:replace_application(s, foo, bar, [not_an_option]), 1317 {error, _, {invalid_options,[{builtins,not_a_value}]}} = 1318 xref:replace_application(s, foo, bar, [{builtins,not_a_value}]), 1319 {ok, app1} = 1320 xref:replace_application(s, app1, A1_0), 1321 [{_, AppInfo}] = xref:info(s, applications, app1), 1322 {value, {release, [rel2]}} = keysearch(release, 1, AppInfo), 1323 1324 {error, _, {no_such_module, xx}} = 1325 xref:replace_module(s, xx, Xbeam, []), 1326 {error, _, {invalid_options,[{builtins,true},not_an_option]}} = 1327 xref:replace_module(s, foo, bar,[{builtins,true},not_an_option]), 1328 {error, _, {invalid_options,[{builtins,not_a_value}]}} = 1329 xref:replace_module(s, foo, bar, [{builtins,not_a_value}]), 1330 {error, _, {invalid_filename,{foo,bar}}} = 1331 xref:replace_module(s, x, {foo,bar}), 1332 {ok, x} = xref:replace_module(s, x, Xbeam), 1333 [{x, ModInfo}] = xref:info(s, modules, x), 1334 {value, {application, [app1]}} = 1335 keysearch(application, 1, ModInfo), 1336 1337 {ok, x} = compile:file(X, [no_debug_info, {outdir,EB1_1}]), 1338 {error, _, {no_debug_info, _}} = xref:replace_module(s, x, Xbeam), 1339 {error, _, {module_mismatch, x,y}} = 1340 xref:replace_module(s, x, Ybeam), 1341 case os:type() of 1342 {unix, _} -> 1343 hide_file(Ybeam), 1344 {error, _, {file_error, _, _}} = 1345 xref:replace_module(s, x, Ybeam), 1346 true; 1347 _ -> 1348 true 1349 end, 1350 ok = xref:remove_module(s, x), 1351 {error, _, {no_debug_info, _}} = xref:add_module(s, Xbeam), 1352 1353 %% "app2" is ignored, the old application name is kept 1354 {ok, app1} = xref:replace_application(s, app1, A2), 1355 1356 xref:stop(s), 1357 ok = file:delete(fname(EB1_0, "x.beam")), 1358 ok = file:delete(Xbeam), 1359 ok = file:delete(Ybeam), 1360 ok. 1361 1362%% The update() function 1363update(Conf) when is_list(Conf) -> 1364 CopyDir = ?copydir, 1365 Dir = fname(CopyDir,"update"), 1366 Source = fname(Dir, "x.erl"), 1367 Beam = fname(Dir, "x.beam"), 1368 copy_file(fname(Dir, "x.erl.1"), Source), 1369 {ok, x} = compile:file(Source, [debug_info, {outdir,Dir}]), 1370 1371 {ok, _} = start(s), 1372 ok = xref:set_default(s, [{verbose,false}, {warnings, false}]), 1373 {ok, [x]} = xref:add_directory(s, Dir, [{builtins,true}]), 1374 {error, _, {invalid_options,[not_an_option]}} = 1375 xref:update(s, [not_an_option]), 1376 {ok, []} = xref:update(s), 1377 {ok, [{erlang,atom_to_list,1}]} = xref:q(s, "XU"), 1378 1379 [{x, ModInfo}] = xref:info(s, modules, x), 1380 case keysearch(directory, 1, ModInfo) of 1381 {value, {directory, Dir}} -> ok 1382 end, 1383 1384 timer:sleep(2000), % make sure modification time has changed 1385 copy_file(fname(Dir, "x.erl.2"), Source), 1386 {ok, x} = compile:file(Source, [debug_info, {outdir,Dir}]), 1387 {ok, [x]} = xref:update(s, []), 1388 {ok, [{erlang,list_to_atom,1}]} = xref:q(s, "XU"), 1389 1390 timer:sleep(2000), 1391 {ok, x} = compile:file(Source, [no_debug_info,{outdir,Dir}]), 1392 {error, _, {no_debug_info, _}} = xref:update(s), 1393 1394 xref:stop(s), 1395 ok = file:delete(Beam), 1396 ok = file:delete(Source), 1397 ok. 1398 1399%% OTP-4695: Deprecated functions. 1400deprecated(Conf) when is_list(Conf) -> 1401 Dir = ?copydir, 1402 File = fname(Dir, "depr.erl"), 1403 MFile_r9c = fname(Dir, "depr_r9c"), 1404 MFile = fname(Dir, "depr"), 1405 Beam = fname(Dir, "depr.beam"), 1406 %% This file has been compiled to ?datadir/depr_r9c.beam 1407 %% using the R9C compiler. From R10B and onwards the linter 1408 %% checks the 'deprecated' attribute as well. 1409 % Test = <<"-module(depr). 1410 1411 % -export([t/0,f/1,bar/2,f/2,g/3]). 1412 1413 % -deprecated([{f,1}, % DF 1414 % {bar,2,eventually}]). % DF_3 1415 % -deprecated([{f,1,next_major_release}]). % DF_2 (again) 1416 % -deprecated([{frutt,0,next_version}]). % message... 1417 % -deprecated([{f,2,next_major_release}, % DF_2 1418 % {g,3,next_version}, % DF_1 1419 % {ignored,10,100}]). % message... 1420 % -deprecated([{does_not_exist,1}]). % message... 1421 1422 % -deprecated(foo). % message... 1423 1424 % t() -> 1425 % frutt(1), 1426 % g(1,2, 3), 1427 % ?MODULE:f(10). 1428 1429 % f(A) -> 1430 % ?MODULE:f(A,A). 1431 1432 % f(X, Y) -> 1433 % ?MODULE:g(X, Y, X). 1434 1435 % g(F, G, H) -> 1436 % ?MODULE:bar(F, {G,H}). 1437 1438 % bar(_, _) -> 1439 % true. 1440 1441 % frutt(_) -> 1442 % frutt(). 1443 1444 % frutt() -> 1445 % true. 1446 % ">>, 1447 1448 % ok = file:write_file(File, Test), 1449 % {ok, depr_r9c} = compile:file(File, [debug_info,{outdir,Dir}]), 1450 1451 {ok, _} = xref:start(s), 1452 {ok, depr_r9c} = xref:add_module(s, MFile_r9c), 1453 M9 = depr_r9c, 1454 DF_1 = usort([{{M9,f,2},{M9,g,3}}]), 1455 DF_2 = usort(DF_1++[{{M9,f,1},{M9,f,2}},{{M9,t,0},{M9,f,1}}]), 1456 DF_3 = usort(DF_2++[{{M9,g,3},{M9,bar,2}}]), 1457 DF = usort(DF_3++[{{M9,t,0},{M9,f,1}}]), 1458 1459 {ok,DF} = xref:analyze(s, deprecated_function_calls), 1460 {ok,DF_1} = 1461 xref:analyze(s, {deprecated_function_calls,next_version}), 1462 {ok,DF_2} = 1463 xref:analyze(s, {deprecated_function_calls,next_major_release}), 1464 {ok,DF_3} = 1465 xref:analyze(s, {deprecated_function_calls,eventually}), 1466 1467 D = to_external(range(from_term(DF))), 1468 D_1 = to_external(range(from_term(DF_1))), 1469 D_2 = to_external(range(from_term(DF_2))), 1470 D_3 = to_external(range(from_term(DF_3))), 1471 1472 {ok,D} = xref:analyze(s, deprecated_functions), 1473 {ok,D_1} = 1474 xref:analyze(s, {deprecated_functions,next_version}), 1475 {ok,D_2} = 1476 xref:analyze(s, {deprecated_functions,next_major_release}), 1477 {ok,D_3} = 1478 xref:analyze(s, {deprecated_functions,eventually}), 1479 1480 ok = check_state(s), 1481 xref:stop(s), 1482 1483 Test2= <<"-module(depr). 1484 1485 -export([t/0,f/1,bar/2,f/2,g/3,string/0]). 1486 1487 -deprecated([{'_','_',eventually}]). % DF_3 1488 -deprecated([{f,'_',next_major_release}]). % DF_2 1489 -deprecated([{g,'_',next_version}]). % DF_1 1490 -deprecated([{bar,2}]). % DF 1491 -deprecated([{string,0,\"hello\"}]). % DF 1492 1493 t() -> 1494 g(1,2, 3), 1495 ?MODULE:f(10). 1496 1497 f(A) -> 1498 ?MODULE:f(A,A). 1499 1500 f(X, Y) -> 1501 ?MODULE:g(X, Y, X). 1502 1503 g(F, G, H) -> 1504 ?MODULE:bar(F, {G,H}). 1505 1506 string() -> 1507 ?MODULE:string(). 1508 1509 bar(_, _) -> 1510 ?MODULE:t(). 1511 ">>, 1512 1513 ok = file:write_file(File, Test2), 1514 {ok, depr} = compile:file(File, [debug_info,{outdir,Dir}]), 1515 1516 {ok, _} = xref:start(s), 1517 {ok, depr} = xref:add_module(s, MFile), 1518 1519 M = depr, 1520 DFa_1 = usort([{{M,f,2},{M,g,3}}]), 1521 DFa_2 = usort(DFa_1++[{{M,f,1},{M,f,2}},{{M,t,0},{M,f,1}}]), 1522 DFa_3 = usort(DFa_2++[{{M,bar,2},{M,t,0}},{{M,g,3},{M,bar,2}}, 1523 {{M,string,0},{M,string,0}}]), 1524 DFa = DFa_3, 1525 1526 {ok,DFa} = xref:analyze(s, deprecated_function_calls), 1527 {ok,DFa_1} = 1528 xref:analyze(s, {deprecated_function_calls,next_version}), 1529 {ok,DFa_2} = 1530 xref:analyze(s, {deprecated_function_calls,next_major_release}), 1531 {ok,DFa_3} = 1532 xref:analyze(s, {deprecated_function_calls,eventually}), 1533 1534 ok = check_state(s), 1535 xref:stop(s), 1536 1537 %% All of the module is deprecated. 1538 Test3= <<"-module(depr). 1539 1540 -export([t/0,f/1,bar/2,f/2,g/3]). 1541 1542 -deprecated([{f,'_',next_major_release}]). % DF_2 1543 -deprecated([{g,'_',next_version}]). % DF_1 1544 -deprecated(module). % DF 1545 1546 t() -> 1547 g(1,2, 3), 1548 ?MODULE:f(10). 1549 1550 f(A) -> 1551 ?MODULE:f(A,A). 1552 1553 f(X, Y) -> 1554 ?MODULE:g(X, Y, X). 1555 1556 g(F, G, H) -> 1557 ?MODULE:bar(F, {G,H}). 1558 1559 bar(_, _) -> 1560 ?MODULE:t(). 1561 ">>, 1562 1563 ok = file:write_file(File, Test3), 1564 {ok, depr} = compile:file(File, [debug_info,{outdir,Dir}]), 1565 1566 {ok, _} = xref:start(s), 1567 {ok, depr} = xref:add_module(s, MFile), 1568 1569 DFb_1 = usort([{{M,f,2},{M,g,3}}]), 1570 DFb_2 = usort(DFb_1++[{{M,f,1},{M,f,2}},{{M,t,0},{M,f,1}}]), 1571 DFb_3 = DFb_2, 1572 DFb = usort(DFb_2++[{{M,bar,2},{M,t,0}},{{M,g,3},{M,bar,2}}]), 1573 1574 {ok,DFb} = xref:analyze(s, deprecated_function_calls), 1575 {ok,DFb_1} = 1576 xref:analyze(s, {deprecated_function_calls,next_version}), 1577 {ok,DFb_2} = 1578 xref:analyze(s, {deprecated_function_calls,next_major_release}), 1579 {ok,DFb_3} = 1580 xref:analyze(s, {deprecated_function_calls,eventually}), 1581 1582 ok = check_state(s), 1583 xref:stop(s), 1584 1585 ok = file:delete(File), 1586 ok = file:delete(Beam), 1587 ok. 1588 1589 1590%% OTP-5152: try/catch, final (?) version. 1591trycatch(Conf) when is_list(Conf) -> 1592 Dir = ?copydir, 1593 File = fname(Dir, "trycatch.erl"), 1594 MFile = fname(Dir, "trycatch"), 1595 Beam = fname(Dir, "trycatch.beam"), 1596 Test = <<"-module(trycatch). 1597 1598 -export([trycatch/0]). 1599 1600 trycatch() -> 1601 try 1602 foo:bar(), 1603 bar:foo() of 1604 1 -> foo:foo(); 1605 2 -> bar:bar() 1606 catch 1607 error:a -> err:e1(); 1608 error:b -> err:e2() 1609 after 1610 fini:shed() 1611 end. 1612 ">>, 1613 1614 ok = file:write_file(File, Test), 1615 {ok, trycatch} = compile:file(File, [debug_info,{outdir,Dir}]), 1616 1617 {ok, _} = xref:start(s), 1618 {ok, trycatch} = xref:add_module(s, MFile), 1619 A = trycatch, 1620 {ok,[{{{A,A,0},{bar,bar,0}},[10]}, 1621 {{{A,A,0},{bar,foo,0}},[8]}, 1622 {{{A,A,0},{err,e1,0}},[12]}, 1623 {{{A,A,0},{err,e2,0}},[13]}, 1624 {{{A,A,0},{fini,shed,0}},[15]}, 1625 {{{A,A,0},{foo,bar,0}},[7]}, 1626 {{{A,A,0},{foo,foo,0}},[9]}]} = 1627 xref:q(s, "(Lin) (E | trycatch:trycatch/0)"), 1628 1629 ok = check_state(s), 1630 xref:stop(s), 1631 1632 ok = file:delete(File), 1633 ok = file:delete(Beam), 1634 ok. 1635 1636 1637%% OTP-5653: fun M:F/A. 1638fun_mfa(Conf) when is_list(Conf) -> 1639 Dir = ?copydir, 1640 File = fname(Dir, "fun_mfa.erl"), 1641 MFile = fname(Dir, "fun_mfa"), 1642 Beam = fname(Dir, "fun_mfa.beam"), 1643 Test = <<"-module(fun_mfa). 1644 1645 -export([t/0, t1/0, t2/0, t3/0]). 1646 1647 t() -> 1648 F = fun ?MODULE:t/0, 1649 (F)(). 1650 1651 t1() -> 1652 F = fun t/0, 1653 (F)(). 1654 1655 t2() -> 1656 fun ?MODULE:t/0(). 1657 1658 t3() -> 1659 fun t3/0(). 1660 ">>, 1661 1662 ok = file:write_file(File, Test), 1663 A = fun_mfa, 1664 {ok, A} = compile:file(File, [debug_info,{outdir,Dir}]), 1665 {ok, _} = xref:start(s), 1666 {ok, A} = xref:add_module(s, MFile, {warnings,false}), 1667 {ok, [{{{A,t,0},{'$M_EXPR','$F_EXPR',0}},[7]}, 1668 {{{A,t,0},{A,t,0}},[6]}, 1669 {{{A,t1,0},{'$M_EXPR','$F_EXPR',0}},[11]}, 1670 {{{A,t1,0},{A,t,0}},[10]}, 1671 {{{A,t2,0},{A,t,0}},[14]}, 1672 {{{A,t3,0},{fun_mfa,t3,0}},[17]}]} = 1673 xref:q(s, "(Lin) E"), 1674 1675 ok = check_state(s), 1676 xref:stop(s), 1677 1678 ok = file:delete(File), 1679 ok = file:delete(Beam), 1680 ok. 1681 1682%% fun M:F/A with varibles. 1683fun_mfa_vars(Conf) when is_list(Conf) -> 1684 Dir = ?copydir, 1685 File = fname(Dir, "fun_mfa_vars.erl"), 1686 MFile = fname(Dir, "fun_mfa_vars"), 1687 Beam = fname(Dir, "fun_mfa_vars.beam"), 1688 Test = <<"-module(fun_mfa_vars). 1689 1690 -export([t/1, t1/1, t2/3]). 1691 1692 t(Mod) -> 1693 F = fun Mod:bar/2, 1694 (F)(a, b). 1695 1696 t1(Name) -> 1697 F = fun ?MODULE:Name/1, 1698 (F)(a). 1699 1700 t2(Mod, Name, Arity) -> 1701 F = fun Mod:Name/Arity, 1702 (F)(a). 1703 1704 t3(Arity) -> 1705 F = fun ?MODULE:t/Arity, 1706 (F)(1, 2, 3). 1707 1708 t4(Mod, Name) -> 1709 F = fun Mod:Name/3, 1710 (F)(a, b, c). 1711 1712 t5(Mod, Arity) -> 1713 F = fun Mod:t/Arity, 1714 (F)(). 1715 ">>, 1716 1717 ok = file:write_file(File, Test), 1718 A = fun_mfa_vars, 1719 {ok, A} = compile:file(File, [report,debug_info,{outdir,Dir}]), 1720 {ok, _} = xref:start(s), 1721 {ok, A} = xref:add_module(s, MFile, {warnings,false}), 1722 {ok, [{{{A,t,1},{'$M_EXPR','$F_EXPR',2}},[7]}, 1723 {{{A,t,1},{'$M_EXPR',bar,2}},[6]}, 1724 {{{A,t1,1},{'$M_EXPR','$F_EXPR',1}},[11]}, 1725 {{{A,t1,1},{A,'$F_EXPR',1}},[10]}, 1726 {{{A,t2,3},{'$M_EXPR','$F_EXPR',-1}},[14]}, 1727 {{{A,t2,3},{'$M_EXPR','$F_EXPR',1}},[15]}, 1728 {{{A,t3,1},{'$M_EXPR','$F_EXPR',3}},[19]}, 1729 {{{A,t3,1},{fun_mfa_vars,t,-1}},[18]}, 1730 {{{A,t4,2},{'$M_EXPR','$F_EXPR',3}},[22,23]}, 1731 {{{A,t5,2},{'$M_EXPR','$F_EXPR',0}},[27]}, 1732 {{{A,t5,2},{'$M_EXPR',t,-1}},[26]}]} = 1733 xref:q(s, "(Lin) E"), 1734 1735 ok = check_state(s), 1736 xref:stop(s), 1737 1738 ok = file:delete(File), 1739 ok = file:delete(Beam), 1740 ok. 1741 1742%% OTP-5195: A bug fix when using qlc:q/1,2. 1743qlc(Conf) when is_list(Conf) -> 1744 Dir = ?copydir, 1745 File = fname(Dir, "qlc.erl"), 1746 MFile = fname(Dir, "qlc"), 1747 Beam = fname(Dir, "qlc.beam"), 1748 Test = <<"-module(qlc). 1749 1750 -include_lib(\"stdlib/include/qlc.hrl\"). 1751 1752 -export([t/0]). 1753 1754 t() -> 1755 dets:open_file(t, []), 1756 dets:insert(t, [{1,a},{2,b},{3,c},{4,d}]), 1757 MS = ets:fun2ms(fun({X,Y}) when (X > 1) or (X < 5) -> {Y} 1758 end), 1759 QH1 = dets:table(t, [{traverse, {select, MS}}]), 1760 QH2 = qlc:q([{Y} || {X,Y} <- dets:table(t), 1761 (X > 1) or (X < 5)]), 1762 true = qlc:info(QH1) =:= qlc:info(QH2), 1763 dets:close(t), 1764 ok. 1765 ">>, 1766 1767 ok = file:write_file(File, Test), 1768 A = qlc, 1769 {ok, A} = compile:file(File, [debug_info,{outdir,Dir}]), 1770 {ok, _} = xref:start(s), 1771 {ok, A} = xref:add_module(s, MFile, {warnings,false}), 1772 {ok, _} = xref:q(s, "(Lin) E"), % is can be loaded 1773 1774 ok = check_state(s), 1775 xref:stop(s), 1776 1777 ok = file:delete(File), 1778 ok = file:delete(Beam), 1779 ok. 1780 1781 1782 1783%% Simple analyses 1784analyze(Conf) when is_list(Conf) -> 1785 S0 = new(), 1786 {{error, _, {invalid_options,[not_an_option]}}, _} = 1787 xref_base:analyze(S0, undefined_function_calls, [not_an_option]), 1788 {{error, _, {invalid_query,{q}}}, _} = xref_base:q(S0,{q}), 1789 {{error, _, {unknown_analysis,foo}}, _} = xref_base:analyze(S0, foo), 1790 {{error, _, {unknown_constant,"foo:bar/-1"}}, _} = 1791 xref_base:analyze(S0, {use,{foo,bar,-1}}), 1792 1793 CopyDir = ?copydir, 1794 Dir = fname(CopyDir,"rel2"), 1795 X = fname(Dir, "x.erl"), 1796 Y = fname(Dir, "y.erl"), 1797 A1_1 = fname([Dir,"lib","app1-1.1"]), 1798 A2 = fname([Dir,"lib","app2-1.1"]), 1799 EB1_1 = fname(A1_1, "ebin"), 1800 EB2 = fname(A2, "ebin"), 1801 Xbeam = fname(EB2, "x.beam"), 1802 Ybeam = fname(EB1_1, "y.beam"), 1803 1804 {ok, x} = compile:file(X, [debug_info, {outdir,EB2}]), 1805 {ok, y} = compile:file(Y, [debug_info, {outdir,EB1_1}]), 1806 1807 {ok, rel2, S1} = xref_base:add_release(S0, Dir, [{verbose,false}]), 1808 S = set_up(S1), 1809 1810 {ok, _} = analyze(undefined_function_calls, [{{x,xx,0},{x,undef,0}}], S), 1811 {ok, _} = analyze(undefined_functions, [{x,undef,0}], S), 1812 {ok, _} = analyze(locals_not_used, [{x,l,0},{x,l1,0}], S), 1813 {ok, _} = analyze(exports_not_used, [{x,xx,0},{y,t,0}], S), 1814 1815 {ok, _} = analyze(deprecated_function_calls, [{{y,t,0},{x,t,0}}], S), 1816 {ok, _} = analyze({deprecated_function_calls,next_version}, [], S), 1817 {ok, _} = analyze({deprecated_function_calls,next_major_release}, [], S), 1818 {ok, _} = analyze({deprecated_function_calls,eventually}, 1819 [{{y,t,0},{x,t,0}}], S), 1820 {ok, _} = analyze(deprecated_functions, [{x,t,0}], S), 1821 {ok, _} = analyze({deprecated_functions,next_version}, [], S), 1822 {ok, _} = analyze({deprecated_functions,next_major_release}, [], S), 1823 {ok, _} = analyze({deprecated_functions,eventually}, [{x,t,0}], S), 1824 1825 {ok, _} = analyze({call, {x,xx,0}}, [{x,undef,0}], S), 1826 {ok, _} = analyze({call, [{x,xx,0},{x,l,0}]}, [{x,l1,0},{x,undef,0}], S), 1827 {ok, _} = analyze({use, {x,l,0}}, [{x,l1,0}], S), 1828 {ok, _} = analyze({use, [{x,l,0},{x,l1,0}]}, [{x,l,0},{x,l1,0}], S), 1829 1830 {ok, _} = analyze({module_call, x}, [x], S), 1831 {ok, _} = analyze({module_call, [x,y]}, [x], S), 1832 {ok, _} = analyze({module_use, x}, [x,y], S), 1833 {ok, _} = analyze({module_use, [x,y]}, [x,y], S), 1834 1835 {ok, _} = analyze({application_call, app1}, [app2], S), 1836 {ok, _} = analyze({application_call, [app1,app2]}, [app2], S), 1837 {ok, _} = analyze({application_use, app2}, [app1,app2], S), 1838 {ok, _} = analyze({application_use, [app1,app2]}, [app1,app2], S), 1839 1840 ok = xref_base:delete(S), 1841 ok = file:delete(Xbeam), 1842 ok = file:delete(Ybeam), 1843 ok. 1844 1845%% Use of operators 1846basic(Conf) when is_list(Conf) -> 1847 S0 = new(), 1848 1849 F1 = {m1,f1,1}, 1850 F6 = {m1,f2,6}, % X 1851 F2 = {m2,f1,2}, 1852 F3 = {m2,f2,3}, % X 1853 F7 = {m2,f3,7}, % X 1854 F4 = {m3,f1,4}, % X 1855 F5 = {m3,f2,5}, 1856 1857 UF1 = {m1,f12,17}, 1858 UF2 = {m17,f17,177}, 1859 1860 E1 = {F1,F3}, % X 1861 E2 = {F6,F7}, % X 1862 E3 = {F2,F6}, % X 1863 E4 = {F1,F4}, % X 1864 E5 = {F4,F5}, 1865 E6 = {F7,F4}, % X 1866 E7 = {F1,F6}, 1867 1868 UE1 = {F2,UF2}, % X 1869 UE2 = {F5,UF1}, % X 1870 1871 D1 = {F1,12}, 1872 D6 = {F6,3}, 1873 DefAt_m1 = [D1,D6], 1874 X_m1 = [F6], 1875 % L_m1 = [F1], 1876 XC_m1 = [E1,E2,E4], 1877 LC_m1 = [E7], 1878 LCallAt_m1 = [{E7,12}], 1879 XCallAt_m1 = [{E1,13},{E2,17},{E4,7}], 1880 Info1 = #xref_mod{name = m1, app_name = [a1]}, 1881 S1 = add_module(S0, Info1, DefAt_m1, X_m1, LCallAt_m1, XCallAt_m1, 1882 XC_m1, LC_m1), 1883 1884 D2 = {F2,7}, 1885 D3 = {F3,9}, 1886 D7 = {F7,19}, 1887 DefAt_m2 = [D2,D3,D7], 1888 X_m2 = [F3,F7], 1889 % L_m2 = [F2], 1890 XC_m2 = [E3,E6,UE1], 1891 LC_m2 = [], 1892 LCallAt_m2 = [], 1893 XCallAt_m2 = [{E3,96},{E6,12},{UE1,77}], 1894 Info2 = #xref_mod{name = m2, app_name = [a2]}, 1895 S2 = add_module(S1, Info2, DefAt_m2, X_m2, LCallAt_m2, XCallAt_m2, 1896 XC_m2, LC_m2), 1897 1898 D4 = {F4,6}, 1899 D5 = {F5,97}, 1900 DefAt_m3 = [D4,D5], 1901 X_m3 = [F4], 1902 % L_m3 = [F5], 1903 XC_m3 = [UE2], 1904 LC_m3 = [E5], 1905 LCallAt_m3 = [{E5,19}], 1906 XCallAt_m3 = [{UE2,22}], 1907 Info3 = #xref_mod{name = m3, app_name = [a3]}, 1908 S3 = add_module(S2, Info3, DefAt_m3, X_m3, LCallAt_m3, XCallAt_m3, 1909 XC_m3, LC_m3), 1910 1911 Info4 = #xref_mod{name = m4, app_name = [a2]}, 1912 S4 = add_module(S3, Info4, [], [], [], [], [], []), 1913 1914 AppInfo1 = #xref_app{name = a1, rel_name = [r1]}, 1915 S9 = add_application(S4, AppInfo1), 1916 AppInfo2 = #xref_app{name = a2, rel_name = [r1]}, 1917 S10 = add_application(S9, AppInfo2), 1918 AppInfo3 = #xref_app{name = a3, rel_name = [r2]}, 1919 S11 = add_application(S10, AppInfo3), 1920 1921 RelInfo1 = #xref_rel{name = r1}, 1922 S12 = add_release(S11, RelInfo1), 1923 RelInfo2 = #xref_rel{name = r2}, 1924 S13 = add_release(S12, RelInfo2), 1925 1926 S = set_up(S13), 1927 1928 {ok, _} = eval("[m1,m2] + m:f/1", unknown_constant, S), 1929 {ok, _} = eval("[m1, m2, m:f/1]", type_mismatch, S), 1930 1931 {ok, _} = eval("[m1, m1->m2]", type_mismatch, S), 1932 {ok, _} = eval("components:f/1", unknown_constant, S), 1933 {ok, _} = eval("'of':f/1", unknown_constant, S), 1934 {ok, _} = eval("of:f/1", parse_error, S), 1935 {ok, _} = eval("components", unknown_constant, S), 1936 {ok, _} = eval("[components, of, closure]", parse_error, S), 1937 {ok, _} = eval("[components, 'of', closure]", unknown_constant, S), 1938 1939 {ok, _} = eval("[a1->a2,m1->m2]", type_mismatch, S), 1940 {ok, _} = eval("a1->a2,m1->m2", parse_error, S), 1941 1942 {ok, _} = eval("m1->a1", type_mismatch, S), 1943 {ok, _} = eval("[{m1,f1,1}] : App", parse_error, S), 1944 {ok, _} = eval("[{m1,f1,1}] : Fun", [F1], S), 1945 {ok, _} = eval("range X", type_error, S), 1946 {ok, _} = eval("domain X", type_error, S), 1947 {ok, _} = eval("range M", type_error, S), 1948 {ok, _} = eval("domain M", type_error, S), 1949 1950 % Misc. 1951 {ok, _} = eval("not_a_prefix_operator m1", parse_error, S), 1952 {ok, _} = eval(f("(Mod) ~p", [[F1,F6,F5]]), [m1,m3], S), 1953 {ok, _} = eval("(Lin) M - (Lin) m1", 1954 [{F2,7},{F3,9},{F7,19},{F4,6},{F5,97},{UF2,0}], S), 1955 {ok, _} = eval(f("(Lin) M * (Lin) ~p", [[F1,F6]]), 1956 [{F1,12},{F6,3}], S), 1957 1958 {ok, _} = eval(f("X * ~p", [[F1, F2, F3, F4, F5]]), [F3, F4], S), 1959 {ok, _} = eval("X", [F6,F3,F7,F4], S), 1960 {ok, _} = eval("X * AM", [F6,F3,F7,F4], S), 1961 {ok, _} = eval("X * a2", [F3,F7], S), 1962 1963 {ok, _} = eval("L * r1", [F1,F2], S), 1964 {ok, _} = eval("U", [UF1, UF2], S), 1965 {ok, _} = eval("U * AM", [UF1], S), 1966 {ok, _} = eval("U * UM", [UF2], S), 1967 {ok, _} = eval("XU * [m1, m2]", [F6,F3,F7,UF1], S), 1968 {ok, _} = eval("LU * [m3, m4]", [F5], S), 1969 {ok, _} = eval("UU", [F1,F2], S), 1970 1971 {ok, _} = eval("XC | m1", [E1,E2,E4], S), 1972 {ok, _} = eval(f("XC | ~p", [F1]), [E1,E4], S), 1973 {ok, _} = eval(f("(XXL) (Lin) (XC | ~p)", [F1]), 1974 [{{D1,D3},[13]},{{D1,D4},[7]}],S), 1975 {ok, _} = eval(f("XC | (~p + ~p)", [F1, F2]), [E1,E4,E3,UE1], S), 1976 {ok, _} = eval(f("(XXL) (Lin) (XC | ~p)", [F1]), 1977 [{{D1,D3},[13]},{{D1,D4},[7]}], S), 1978 {ok, _} = eval("LC | m3", [E5], S), 1979 {ok, _} = eval(f("LC | ~p", [F1]), [E7], S), 1980 {ok, _} = eval(f("LC | (~p + ~p)", [F1, F4]), [E7, E5], S), 1981 {ok, _} = eval("E | m1", [E1,E2,E4,E7], S), 1982 {ok, _} = eval(f("E | ~p", [F1]), [E1,E7,E4], S), 1983 {ok, _} = eval(f("E | (~p + ~p)", [F1, F2]), [E1,E7,E4,E3,UE1], S), 1984 1985 {ok, _} = eval("XC || m1", [E3,UE2], S), 1986 {ok, _} = eval(f("XC || ~p", [F6]), [E3], S), 1987 {ok, _} = eval(f("XC || (~p + ~p)", [F4, UF2]), [UE1,E4,E6], S), 1988 {ok, _} = eval("LC || m3", [E5], S), 1989 {ok, _} = eval(f("LC || ~p", [F1]), [], S), 1990 {ok, _} = eval(f("LC || ~p", [F6]), [E7], S), 1991 {ok, _} = eval(f("LC || (~p + ~p)", [F5, F6]), [E7,E5], S), 1992 {ok, _} = eval("E || m1", [E3,UE2,E7], S), 1993 {ok, _} = eval(f("E || ~p", [F6]), [E3,E7], S), 1994 {ok, _} = eval(f("E || (~p + ~p)", [F3,F4]), [E1,E4,E6], S), 1995 1996 {ok, _} = eval(f("~p + ~p", [F1,F2]), [F1,F2], S), 1997 {ok, _} = eval(f("~p * ~p", [m1,[F1,F6,F2]]), [F1,F6], S), 1998 {ok, _} = eval(f("~p * ~p", [F1,F2]), [], S), 1999 2000 %% range, domain 2001 {ok, _} = eval("range (E || m1)", [F6,UF1], S), 2002 {ok, _} = eval("domain (E || m1)", [F1,F2,F5], S), 2003 {ok, _} = eval(f("E | domain ~p", [[E1, {F2,F4}]]), 2004 [E1,E7,E4,E3,UE1], S), 2005 2006 %% components, condensation, use, call 2007 {ok, _} = eval("(Lin) components E", type_error, S), 2008 {ok, _} = eval("components (Lin) E", type_error, S), 2009 {ok, _} = eval("components V", type_error, S), 2010 {ok, _} = eval("components E + components E", type_error, S), 2011 2012 {ok, _} = eval(f("range (closure E | ~p)", [[F1,F2]]), 2013 [F6,F3,F7,F4,F5,UF1,UF2], S), 2014 {ok, _} = 2015 eval(f("domain (closure E || ~p)", [[UF2,F7]]), [F1,F2,F6], S), 2016 {ok, _} = eval("components E", [], S), 2017 {ok, _} = eval("components (Mod) E", [[m1,m2,m3]], S), 2018 {ok, _} = eval("components closure (Mod) E", [[m1,m2,m3]], S), 2019 {ok, _} = eval("condensation (Mod) E", 2020 [{[m1,m2,m3],[m17]}], S), 2021 {ok, _} = eval("condensation closure (Mod) E", 2022 [{[m1,m2,m3],[m17]}], S), 2023 {ok, _} = eval("condensation closure closure closure (Mod) E", 2024 [{[m1,m2,m3],[m17]}], S), 2025 {ok, _} = eval("weak condensation (Mod) E", 2026 [{[m1,m2,m3],[m1,m2,m3]},{[m1,m2,m3],[m17]},{[m17],[m17]}], S), 2027 {ok, _} = eval("strict condensation (Mod) E", 2028 [{[m1,m2,m3],[m17]}], S), 2029 {ok, _} = eval("range condensation (Mod) E", 2030 [[m17]], S), 2031 {ok, _} = eval("domain condensation (Mod) E", 2032 [[m1,m2,m3]], S), 2033 2034 %% |, ||, ||| 2035 {ok, _} = eval("(Lin) E || V", type_error, S), 2036 {ok, _} = eval("E ||| (Lin) V", type_error, S), 2037 {ok, _} = eval("E ||| m1", [E7], S), 2038 {ok, _} = eval("closure E ||| m1", [E7,{F1,UF1},{F6,UF1}], S), 2039 {ok, _} = eval("closure E ||| [m1,m2]", 2040 [{F1,UF1},{F2,F7},{F1,F7},{F6,UF1},{F2,UF1},{F7,UF1},E7,E1,E2,E3], S), 2041 {ok, _} = eval("AE | a1", [{a1,a1},{a1,a2},{a1,a3}], S), 2042 2043 %% path ('of') 2044 {ok, _} = eval("(Lin) {m1,m2} of E", type_error, S), 2045 {ok, _} = eval("{m1,m2} of (Lin) E", type_error, S), 2046 [m1,m2] = eval("{m1,m2} of {m1,m2}", S), 2047 {ok, _} = eval("{m1,m2} of m1", type_error, S), 2048 {ok, _} = eval("{a3,m1} of ME", type_mismatch, S), 2049 [m1,m1] = eval("{m1} of ME", S), 2050 [m1,m1] = eval("{m1} of closure closure ME", S), 2051 false = eval("{m17} of ME", S), 2052 [m2,m1,m2] = eval("{m2} : Mod of ME", S), 2053 [m1,m2,m17] = eval("{m1, m17} of ME", S), 2054 [m1,m2,m17] = eval("m1 -> m17 of ME", S), 2055 {ok, _} = eval("[m1->m17,m17->m1] of ME", type_error, S), 2056 case eval(f("~p of E", [{F1,F7,UF1}]), S) of 2057 [F1,F6,F7,F4,F5,UF1] -> ok 2058 end, 2059 [a2,a1,a2] = eval("{a2} of AE", S), 2060 2061 %% weak/strict 2062 {ok, _} = eval("weak {m1,m2}", [{m1,m1},{m1,m2},{m2,m2}], S), 2063 {ok, _} = eval("strict [{m1,m1},{m1,m2},{m2,m2}]", [{m1,m2}], S), 2064 {ok, _} = eval("range weak [{m1,m2}] : Mod", [m1,m2], S), 2065 {ok, _} = eval("domain strict [{m1,m1},{m1,m2},{m2,m2}]", [m1], S), 2066 2067 %% #, number of 2068 {ok, _} = eval("# [{r1,r2}] : Rel", 1, S), 2069 {ok, _} = eval("# [{a3,a1}] : App", 1, S), 2070 {ok, _} = eval("# AE", 7, S), 2071 {ok, _} = eval("# ME", 8, S), 2072 {ok, _} = eval("# AE + # ME", 15, S), 2073 {ok, _} = eval("# AE * # ME", 56, S), 2074 {ok, _} = eval("# AE - # ME", -1, S), 2075 {ok, _} = eval("# E", 9, S), 2076 {ok, _} = eval("# V", 9, S), 2077 {ok, _} = eval("# (Lin) E", 9, S), 2078 {ok, _} = eval("# (ELin) E", 7, S), 2079 {ok, _} = eval("# closure E", type_error, S), 2080 {ok, _} = eval("# weak {m1,m2}", 3, S), 2081 {ok, _} = eval("#strict condensation (Mod) E", 1, S), 2082 {ok, _} = eval("#components closure (Mod) E", 1, S), 2083 {ok, _} = eval("# range strict condensation (Mod) E", 1, S), 2084 ok. 2085 2086%% The xref:m() and xref:d() functions 2087md(Conf) when is_list(Conf) -> 2088 CopyDir = ?copydir, 2089 Dir = fname(CopyDir,"md"), 2090 X = fname(Dir, "x__x.erl"), 2091 Y = fname(Dir, "y__y.erl"), 2092 Xbeam = fname(Dir, "x__x.beam"), 2093 Ybeam = fname(Dir, "y__y.beam"), 2094 2095 {error, _, {invalid_filename,{foo,bar}}} = xref:m({foo,bar}), 2096 {error, _, {invalid_filename,{foo,bar}}} = xref:d({foo,bar}), 2097 2098 {ok, x__x} = compile:file(X, [debug_info, {outdir,Dir}]), 2099 {ok, y__y} = compile:file(Y, [debug_info, {outdir,Dir}]), 2100 2101 {error, _, {no_such_module, foo_bar}} = xref:m(foo_bar), 2102 OldPath = code:get_path(), 2103 true = code:set_path([Dir | OldPath]), 2104 MInfo = xref:m(x__x), 2105 [{{x__x,t,1},{y__y,t,2}}] = info_tag(MInfo, undefined), 2106 [] = info_tag(MInfo, unused), 2107 [] = info_tag(MInfo, deprecated), 2108 DInfo = xref:d(Dir), 2109 [{{x__x,t,1},{y__y,t,2}}] = info_tag(DInfo, undefined), 2110 [{y__y,l,0},{y__y,l1,0}] = info_tag(DInfo, unused), 2111 [] = info_tag(MInfo, deprecated), 2112 2113 %% Switch from 'functions' mode to 'modules' mode. 2114 {ok, x__x} = compile:file(X, [no_debug_info, {outdir,Dir}]), 2115 {ok, y__y} = compile:file(Y, [no_debug_info, {outdir,Dir}]), 2116 MInfoMod = xref:m(x__x), 2117 [{y__y,t,2}] = info_tag(MInfoMod, undefined), 2118 [] = info_tag(MInfo, deprecated), 2119 DInfoMod = xref:d(Dir), 2120 [{y__y,t,2}] = info_tag(DInfoMod, undefined), 2121 [] = info_tag(MInfo, deprecated), 2122 2123 true = code:set_path(OldPath), 2124 ok = file:delete(Xbeam), 2125 ok = file:delete(Ybeam), 2126 ok. 2127 2128%% User queries 2129q(Conf) when is_list(Conf) -> 2130 S0 = new(), 2131 {ok, _} = eval("'foo", parse_error, S0), 2132 {ok, _} = eval("TT = E, TT = V", variable_reassigned, S0), 2133 {ok, _} = eval("TT = E, TTT", unknown_variable, S0), 2134 {ok, S} = eval("TT := E", [], S0), 2135 {ok, S1} = eval("TT * TT * TT", [], S), 2136 {ok, _S2} = xref_base:forget(S1, 'TT'), 2137 ok. 2138 2139%% Setting and getting values of query variables 2140variables(Conf) when is_list(Conf) -> 2141 Sa = new(), 2142 {{error, _, {invalid_options,[not_an_option]}}, _} = 2143 xref_base:variables(Sa, [not_an_option]), 2144 {error, _, {not_user_variable,foo}} = xref_base:forget(Sa, foo), 2145 Sa1 = set_up(Sa), 2146 {error, _, {not_user_variable,foo}} = xref_base:forget(Sa1, foo), 2147 ok = xref_base:delete(Sa1), 2148 2149 S0 = new(), 2150 2151 F1 = {m1,f1,1}, 2152 F2 = {m2,f1,2}, 2153 Lib = {lib1,f1,1}, % undefined 2154 2155 E1 = {F1,F2}, 2156 E2 = {F2,F1}, 2157 E3 = {F1,Lib}, 2158 2159 D1 = {F1,12}, 2160 DefAt_m1 = [D1], 2161 X_m1 = [F1], 2162 % L_m1 = [], 2163 XC_m1 = [E1,E3], 2164 LC_m1 = [], 2165 LCallAt_m1 = [], 2166 XCallAt_m1 = [{E1,13},{E3,17}], 2167 Info1 = #xref_mod{name = m1, app_name = [a1]}, 2168 S1 = add_module(S0, Info1, DefAt_m1, X_m1, LCallAt_m1, XCallAt_m1, 2169 XC_m1, LC_m1), 2170 2171 D2 = {F2,7}, 2172 DefAt_m2 = [D2], 2173 X_m2 = [F2], 2174 % L_m2 = [], 2175 XC_m2 = [E2], 2176 LC_m2 = [], 2177 LCallAt_m2 = [], 2178 XCallAt_m2 = [{E2,96}], 2179 Info2 = #xref_mod{name = m2, app_name = [a2]}, 2180 S2 = add_module(S1, Info2, DefAt_m2, X_m2, LCallAt_m2, XCallAt_m2, 2181 XC_m2, LC_m2), 2182 2183 S = set_up(S2), 2184 2185 {ok, _} = eval("T1=E, T2=E*T1, T3 = T2*T2, T4=range T3, T5=T3|T4, T5", 2186 [E1,E2,E3], S), 2187 {ok, _} = eval("((E*E)*(E*E)) | (range ((E*E)*(E*E)))", 2188 [E1,E2,E3], S), 2189 {ok, _} = eval("T1=V*V,T2=T1*V,T3=V*V*V,T3", 2190 [F1,F2,Lib], S), 2191 {ok, _} = eval("T1=V*V, T2=V*V, T1*T2", 2192 [F1,F2,Lib], S), 2193 2194 {ok, S100} = eval("T0 := E", [E1, E2, E3], S), 2195 {ok, S101} = eval("T1 := E | m1", [E1, E3], S100), 2196 {ok, S102} = eval("T2 := E | m2", [E2], S101), 2197 {{ok, [{user, ['T0', 'T1', 'T2']}]}, _} = xref_base:variables(S102), 2198 {ok, S103} = xref_base:forget(S102, 'T0'), 2199 {{ok, [{user, ['T1', 'T2']}]}, S104} = 2200 xref_base:variables(S103, [user]), 2201 {ok, S105} = xref_base:forget(S104), 2202 {{ok, [{user, []}]}, S106} = xref_base:variables(S105), 2203 {{ok, [{predefined,_}]}, S107_0} = 2204 xref_base:variables(S106, [predefined]), 2205 2206 {ok, S107_1} = 2207 eval("TT := E, TT2 := V, TT1 := TT * TT", [E1,E2,E3], S107_0), 2208 {{ok, [{user, ['TT', 'TT1', 'TT2']}]}, _} = 2209 xref_base:variables(S107_1), 2210 {ok, S107} = xref_base:forget(S107_1), 2211 2212 CopyDir = ?copydir, 2213 Dir = fname(CopyDir,"lib_test"), 2214 Beam = fname(Dir, "lib1.beam"), 2215 2216 copy_file(fname(Dir, "lib1.erl"), Beam), 2217 {ok, S108} = 2218 xref_base:set_library_path(S107, [Dir], [{verbose,false}]), 2219 {{error, _, _}, _} = xref_base:variables(S108, [{verbose,false}]), 2220 {ok, S109} = xref_base:set_library_path(S108, [], [{verbose,false}]), 2221 2222 NoOfTables = erlang:system_info(ets_count), 2223 2224 {ok, S110} = eval("Eplus := closure E, TT := Eplus", 2225 'closure()', S109), 2226 {{ok, [{user, ['Eplus','TT']}]}, S111} = xref_base:variables(S110), 2227 {ok, S112} = xref_base:forget(S111, ['TT','Eplus']), 2228 true = NoOfTables =:= erlang:system_info(ets_count), 2229 2230 {ok, NS0} = eval("Eplus := closure E", 'closure()', S112), 2231 {{ok, [{user, ['Eplus']}]}, NS} = xref_base:variables(NS0), 2232 ok = xref_base:delete(NS), 2233 true = NoOfTables =:= erlang:system_info(ets_count), 2234 2235 ok = file:delete(Beam), 2236 ok. 2237 2238%% OTP-5071. Too many unused functions. 2239unused_locals(Conf) when is_list(Conf) -> 2240 Dir = ?copydir, 2241 2242 File1 = fname(Dir, "a.erl"), 2243 MFile1 = fname(Dir, "a"), 2244 Beam1 = fname(Dir, "a.beam"), 2245 Test1 = <<"-module(a). 2246 -export([f/1, g/2]). 2247 2248 f(X) -> 2249 Y = b:f(X), 2250 Z = b:g(Y), 2251 start(b, h, [Z]). 2252 2253 g(X, Y) -> 2254 ok. 2255 2256 start(M, F, A) -> 2257 spawn(M, F, A). 2258 ">>, 2259 ok = file:write_file(File1, Test1), 2260 {ok, a} = compile:file(File1, [debug_info,{outdir,Dir}]), 2261 2262 File2 = fname(Dir, "b.erl"), 2263 MFile2 = fname(Dir, "b"), 2264 Beam2 = fname(Dir, "b.beam"), 2265 Test2 = <<"-module(b). 2266 -export([f/1, g/2]). 2267 2268 f(X) -> 2269 io:write(\"~w\", [X]), 2270 a:start(timer, sleep, [1000]). 2271 2272 g(X, Y) -> 2273 apply(a, g, [X, Y]). 2274 ">>, 2275 2276 ok = file:write_file(File2, Test2), 2277 {ok, b} = compile:file(File2, [debug_info,{outdir,Dir}]), 2278 2279 {ok, _} = xref:start(s), 2280 {ok, a} = xref:add_module(s, MFile1), 2281 {ok, b} = xref:add_module(s, MFile2), 2282 {ok, []} = xref:analyse(s, locals_not_used), 2283 ok = check_state(s), 2284 xref:stop(s), 2285 2286 ok = file:delete(File1), 2287 ok = file:delete(Beam1), 2288 ok = file:delete(File2), 2289 ok = file:delete(Beam2), 2290 ok. 2291 2292 2293%% Format error messages 2294format_error(Conf) when is_list(Conf) -> 2295 {ok, _Pid} = start(s), 2296 ok = xref:set_default(s, [{verbose,false}, {warnings, false}]), 2297 2298 %% Parse error messages. 2299 "Invalid regular expression \"add(\"" ++ _ = fstring(xref:q(s,'"add("')), 2300 'Invalid operator foo\n' = fatom(xref:q(s,'foo E')), 2301 'Invalid wildcard variable \'_Var\' (only \'_\' is allowed)\n' 2302 = fatom(xref:q(s,"module:function/_Var")), 2303 'Missing type of regular expression ".*"\n' 2304 = fatom(xref:q(s,'".*"')), 2305 'Type does not match structure of constant: \'M\' : Fun\n' 2306 = fatom(xref:q(s,"'M' : Fun")), 2307 'Type does not match structure of constant: ".*" : Fun\n' 2308 = fatom(xref:q(s,'".*" : Fun')), 2309 'Type does not match structure of constant: [m:f/1, m1:f2/3] : App\n' 2310 = fatom(xref:q(s,"[m:f/1,m1:f2/3] : App")), 2311 'Parse error on line 1: syntax error before: \'-\'\n' 2312 = fatom(xref:q(s,"E + -")), 2313 "Parse error on line 1: unterminated atom starting with 'foo'\n" 2314 = flatten(xref:format_error(xref:q(s,"'foo"))), 2315 'Parse error at end of string: syntax error before: \n' 2316 = fatom(xref:q(s,"E +")), 2317 'Parse error on line 1: syntax error before: \'Lin\'\n' 2318 = fatom(xref:q(s,"Lin")), 2319 2320 %% Other messages 2321 'Variable \'QQ\' used before set\n' = fatom(xref:q(s,"QQ")), 2322 'Unknown constant a\n' = fatom(xref:q(s,"{a} of E")), 2323 2324 %% Testing xref_parser:t2s/1. 2325 'Variable assigned more than once: E := E + E\n' = fatom(xref:q(s,"E:=E + E")), 2326 'Variable assigned more than once: E = E + E\n' = fatom(xref:q(s,"E=E + E")), 2327 "Operator applied to argument(s) of different or invalid type(s): " 2328 "E + V * V\n" = flatten(xref:format_error(xref:q(s,"E + (V * V)"))), 2329 {error,xref_compiler,{type_error,"(V + V) * E"}} = xref:q(s,"(V + V) * E"), 2330 "Type does not match structure of constant: [m:f/3 -> g:h/17] : " 2331 "App\n" = flatten(xref:format_error(xref:q(s,"[{{m,f,3},{g,h,17}}] : App"))), 2332 'Type does not match structure of constant: [m -> f, g -> h] : Fun\n' 2333 = fatom(xref:q(s,"[{m,f},g->h] : Fun")), 2334 'Type does not match structure of constant: {m, n, o} : Fun\n' = 2335 fatom(xref:q(s,"{m,n,o} : Fun")), 2336 {error,xref_compiler,{type_error,"range (Lin) V"}} = 2337 xref:q(s,"range ((Lin) V)"), 2338 {error,xref_compiler,{type_error,"condensation range E"}} = 2339 xref:q(s,"condensation (range E)"), 2340 {error,xref_compiler,{type_error,"condensation (# E + # V)"}} = 2341 xref:q(s,"condensation (# E + # V)"), 2342 {error,xref_compiler,{type_error,"range (# E + # E)"}} = 2343 xref:q(s,"range (#E + #E)"), 2344 {error,xref_compiler,{type_error,"range (# E)"}} = 2345 xref:q(s,"range #E"), % Hm... 2346 {error,xref_compiler,{type_error,"E + # E"}} = 2347 xref:q(s,"E + #E + #E"), % Hm... 2348 {error,xref_compiler,{type_error,"V * E || V | V"}} = 2349 xref:q(s,"V * (E || V) | V"), 2350 {error,xref_compiler,{type_error,"E || (E | V)"}} = 2351 xref:q(s,"V * E || (E | V)"), 2352 {error,xref_compiler,{type_error,"E * \"m\" : Mod"}} = 2353 xref:q(s,'E * "m" : Mod'), 2354 {error,xref_compiler,{type_error,"E * (\"m\":f/_ + m:\"f\"/3)"}} = 2355 xref:q(s,'E * ("m":f/_ + m:"f"/3)'), 2356 2357 xref:stop(s), 2358 ok. 2359 2360%% OTP-7423. Xref scanner bug. 2361otp_7423(Conf) when is_list(Conf) -> 2362 {ok, _Pid} = start(s), 2363 S = "E | [compiler] : App || [{erlang, 2364 size, 2365 1}] : Fun", 2366 {error,xref_compiler,{unknown_constant,"compiler"}} = xref:q(s,S), 2367 xref:stop(s), 2368 ok. 2369 2370%% OTP-7831. Allow anonymous Xref processes. 2371otp_7831(Conf) when is_list(Conf) -> 2372 {ok, Pid1} = xref:start([]), 2373 xref:stop(Pid1), 2374 {ok, Pid2} = xref:start([{xref_mode, modules}]), 2375 xref:stop(Pid2), 2376 ok. 2377 2378%% OTP-10192. Allow filenames with character codes greater than 126. 2379otp_10192(Conf) when is_list(Conf) -> 2380 PrivDir = ?privdir, 2381 {ok, _Pid} = xref:start(s), 2382 Dir = filename:join(PrivDir, "ä"), 2383 ok = file:make_dir(Dir), 2384 {ok, []} = xref:add_directory(s, Dir), 2385 xref:stop(s), 2386 ok. 2387 2388otp_13708(Conf) when is_list(Conf) -> 2389 {ok, _} = start(s), 2390 ok = xref:set_default(s, [{verbose, true}]), 2391 {ok, []} = xref:q(s,"E"), 2392 xref:stop(s), 2393 2394 CopyDir = ?copydir, 2395 Dir = fname(CopyDir,"lib_test"), 2396 {ok, _} = start(s), 2397 ok = xref:set_library_path(s, [Dir], [{verbose, true}]), 2398 xref:stop(s). 2399 2400%% OTP-14464. Unicode atoms. 2401otp_14464(Conf) when is_list(Conf) -> 2402 Dir = ?copydir, 2403 2404 File1 = fname(Dir, "a.erl"), 2405 MFile1 = fname(Dir, "a"), 2406 Beam1 = fname(Dir, "a.beam"), 2407 Test1 = "-module(a). 2408 -export([ärlig/0, 'кlирилли́ческий атомB'/0]). 2409 2410 ärlig() -> 2411 'кlирилли́ческий атомB'. 2412 2413 'кlирилли́ческий атомB'() -> 2414 foo. 2415 ", 2416 ok = file:write_file(File1, unicode:characters_to_binary(Test1)), 2417 {ok, a} = compile:file(File1, [debug_info,{outdir,Dir}]), 2418 2419 {ok, _} = xref:start(s), 2420 {ok, a} = xref:add_module(s, MFile1), 2421 2422 {ok, [{a,ärlig,0}]} = xref:q(s, 'a:"ärlig"/0'), 2423 {ok, [{a,'кlирилли́ческий атомB',0}]} = 2424 xref:q(s, 'a:"кlирилли́ческий атомB"/0'), 2425 2426 xref:stop(s), 2427 ok = file:delete(File1), 2428 ok = file:delete(Beam1). 2429 2430%% OTP-14344. -on_load() attribute. 2431otp_14344(Conf) when is_list(Conf) -> 2432 Dir = ?copydir, 2433 2434 File1 = fname(Dir, "a.erl"), 2435 MFile1 = fname(Dir, "a"), 2436 Beam1 = fname(Dir, "a.beam"), 2437 Test1 = <<"-module(a). 2438 -on_load(init/0). 2439 init() -> do_init(). 2440 do_init() -> ok. 2441 ">>, 2442 ok = file:write_file(File1, Test1), 2443 {ok, a} = compile:file(File1, [debug_info,{outdir,Dir}]), 2444 2445 {ok, _} = xref:start(s), 2446 {ok, a} = xref:add_module(s, MFile1), 2447 2448 {ok, [{a,init,0}]} = xref:q(s, "OL"), 2449 {ok, []} = xref:analyze(s, locals_not_used), 2450 2451 xref:stop(s), 2452 ok = file:delete(File1), 2453 ok = file:delete(Beam1). 2454 2455%% PR-2752, ERL-1353, ERL-1476, GH-4192. 2456behaviour(Config) -> 2457 ModMode = [{xref_mode, modules}], 2458 FunMode = [], 2459 2460 Test1 = [{a, <<"-module(a). 2461 -callback a() -> ok. 2462 ">>}], 2463 {Undef1, UnusedExports1} = behaviour_test(Test1, Config, FunMode), 2464 [] = Undef1, 2465 [] = UnusedExports1, 2466 {Undef1m, UnusedExports1m} = behaviour_test(Test1, Config, ModMode), 2467 [] = Undef1m, 2468 [] = UnusedExports1m, 2469 2470 Test2 = [{a, <<"-module(a). 2471 -export([behaviour_info/1]). 2472 behaviour_info(_) -> 2473 ok. 2474 ">>}], 2475 {Undef2, UnusedExports2} = behaviour_test(Test2, Config, FunMode), 2476 [] = Undef2, 2477 [{a,behaviour_info,1}] = UnusedExports2, 2478 {Undef2m, UnusedExports2m} = behaviour_test(Test2, Config, ModMode), 2479 [] = Undef2m, 2480 %% Without abstract code it is not possible to determine if 2481 %% M:behaviour_info/1 is generated or not. The best we can do is 2482 %% to assume it is generated since it would otherwise always be 2483 %% returned as unused. 2484 [] = UnusedExports2m, 2485 2486 Test3 = [{a, <<"-module(a). 2487 -export([behaviour_info/1]). 2488 behaviour_info(_) -> 2489 ok. 2490 ">>}, 2491 {b, <<"-module(b). 2492 -export([bar/0]). 2493 bar() -> a:behaviour_info(callbacks). 2494 ">>}], 2495 {Undef3, UnusedExports3} = behaviour_test(Test3, Config, FunMode), 2496 [] = Undef3, 2497 [{b,bar,0}] = UnusedExports3, 2498 {Undef3m, UnusedExports3m} = behaviour_test(Test3, Config, ModMode), 2499 [] = Undef3m, 2500 [{b,bar,0}] = UnusedExports3m, 2501 ok. 2502 2503behaviour_test(Tests, Conf, Opts) -> 2504 {ok, _} = xref:start(s, Opts), 2505 add_modules(Tests, Conf), 2506 case lists:keyfind(xref_mode, 1, Opts) of 2507 {xref_mode, modules} -> 2508 UndefinedFunctionCalls = []; 2509 _ -> 2510 {ok, UndefinedFunctionCalls} = 2511 xref:analyze(s, undefined_function_calls) 2512 end, 2513 {ok, ExportsNotUsed} = xref:analyze(s, exports_not_used), 2514 xref:stop(s), 2515 {UndefinedFunctionCalls, ExportsNotUsed}. 2516 2517add_modules([], _Conf) -> 2518 ok; 2519add_modules([{Mod, Test} |Tests], Conf) -> 2520 Dir = ?copydir, 2521 Name = atom_to_list(Mod), 2522 File = fname(Dir, Name ++ ".erl"), 2523 MFile = fname(Dir, Name), 2524 Beam = fname(Dir, Name ++ ".beam"), 2525 ok = file:write_file(File, Test), 2526 {ok, Mod} = compile:file(File, [debug_info,{outdir,Dir}]), 2527 {ok, Mod} = xref:add_module(s, MFile), 2528 check_state(s), 2529 ok = file:delete(File), 2530 ok = file:delete(Beam), 2531 add_modules(Tests, Conf). 2532 2533%%% 2534%%% Utilities 2535%%% 2536 2537copy_file(Src, Dest) -> 2538 {ok, _} = file:copy(Src, Dest), 2539 ok. 2540 2541fname(N) -> 2542 filename:join(N). 2543 2544fname(Dir, Basename) -> 2545 filename:join(Dir, Basename). 2546 2547new() -> 2548 {ok, S} = xref_base:new(), 2549 S. 2550 2551set_up(S) -> 2552 {ok, S1} = xref_base:set_up(S, [{verbose, false}]), 2553 S1. 2554 2555eval(Query, E, S) -> 2556 ?format("------------------------------~n", []), 2557 ?format("Evaluating ~p~n", [Query]), 2558 {Answer, NewState} = xref_base:q(S, Query, [{verbose, false}]), 2559 {Reply, Expected} = 2560 case Answer of 2561 {ok, R} when is_list(E) -> 2562 {unsetify(R), sort(E)}; 2563 {ok, R} -> 2564 {unsetify(R), E}; 2565 {error, _Module, Reason} -> 2566 {element(1, Reason), E} 2567 end, 2568 if 2569 Reply =:= Expected -> 2570 ?format("As expected, got ~n~p~n", [Expected]), 2571 {ok, NewState}; 2572 true -> 2573 ?format("Expected ~n~p~nbut got ~n~p~n", [Expected, Reply]), 2574 not_ok 2575 end. 2576 2577analyze(Query, E, S) -> 2578 ?format("------------------------------~n", []), 2579 ?format("Evaluating ~p~n", [Query]), 2580 {{ok, L}, NewState} = 2581 xref_base:analyze(S, Query, [{verbose, false}]), 2582 case {unsetify(L), sort(E)} of 2583 {X,X} -> 2584 ?format("As was expected, got ~n~p~n", [X]), 2585 {ok, NewState}; 2586 {_R,_X} -> 2587 ?format("Expected ~n~p~nbut got ~n~p~n", [_X, _R]), 2588 not_ok 2589 end. 2590 2591unsetify(S) -> 2592 case is_sofs_set(S) of 2593 true -> to_external(S); 2594 false -> S 2595 end. 2596 2597%% Note: assumes S has been set up; the new state is not returned 2598eval(Query, S) -> 2599 {{ok, Answer}, _NewState} = 2600 xref_base:q(S, Query, [{verbose, false}]), 2601 unsetify(Answer). 2602 2603add_module(S, XMod, DefAt, X, LCallAt, XCallAt, XC, LC) -> 2604 Attr = {[], [], []}, 2605 Depr0 = {[], [], [], []}, 2606 DBad = [], 2607 Depr = {Depr0,DBad}, 2608 OL = [], 2609 Data = {DefAt, LCallAt, XCallAt, LC, XC, X, Attr, Depr, OL}, 2610 Unres = [], 2611 {ok, _Module, _Bad, State} = 2612 xref_base:do_add_module(S, XMod, Unres, Data), 2613 State. 2614 2615add_application(S, XApp) -> 2616 xref_base:do_add_application(S, XApp). 2617 2618add_release(S, XRel) -> 2619 xref_base:do_add_release(S, XRel). 2620 2621remove_module(S, M) -> 2622 xref_base:do_remove_module(S, M). 2623 2624info_tag(Info, Tag) -> 2625 {value, {_Tag, Value}} = lists:keysearch(Tag, 1, Info), 2626 Value. 2627 2628make_ufile(FileName) -> 2629 ok = file:write_file(FileName, term_to_binary(foo)), 2630 hide_file(FileName). 2631 2632make_udir(Dir) -> 2633 ok = file:make_dir(Dir), 2634 hide_file(Dir). 2635 2636hide_file(FileName) -> 2637 {ok, FileInfo} = file:read_file_info(FileName), 2638 NewFileInfo = FileInfo#file_info{mode = 0}, 2639 ok = file:write_file_info(FileName, NewFileInfo). 2640 2641%% Note that S has to be set up before calling this checking function. 2642check_state(S) -> 2643 Info = xref:info(S), 2644 2645 modules_mode_check(S, Info), 2646 case info(Info, mode) of 2647 modules -> 2648 ok; 2649 functions -> 2650 functions_mode_check(S, Info) 2651 end. 2652 2653%% The manual mentions some facts that should always hold. 2654%% Here they are again. 2655functions_mode_check(S, Info) -> 2656 %% F = L + X, 2657 {ok, F} = xref:q(S, "F"), 2658 {ok, F} = xref:q(S, "L + X"), 2659 2660 %% V = X + L + B + U, 2661 {ok, V} = xref:q(S, "V"), 2662 {ok, V} = xref:q(S, "X + L + B + U"), 2663 2664 %% X, L, B and U are disjoint. 2665 {ok, []} = 2666 xref:q(S, "X * L + X * B + X * U + L * B + L * U + B * U"), 2667 2668 %% V = UU + XU + LU, 2669 {ok, V} = xref:q(S, "UU + XU + LU"), 2670 2671 %% E = LC + XC 2672 {ok, E} = xref:q(S, "E"), 2673 {ok, E} = xref:q(S, "LC + XC"), 2674 2675 %% U subset of XU, 2676 {ok, []} = xref:q(S, "U - XU"), 2677 2678 %% LU = range LC 2679 {ok, []} = xref:q(S, "(LU - range LC) + (range LC - LU)"), 2680 2681 %% XU = range XC 2682 {ok, []} = xref:q(S, "(XU - range XC) + (range XC - XU)"), 2683 2684 %% LU subset F 2685 {ok, []} = xref:q(S, "LU - F"), 2686 2687 %% UU subset F 2688 {ok, []} = xref:q(S, "UU - F"), 2689 2690 %% OL subset F 2691 {ok, []} = xref:q(S, "OL - F"), 2692 2693 %% ME = (Mod) E 2694 {ok, ME} = xref:q(S, "ME"), 2695 {ok, ME} = xref:q(S, "(Mod) E"), 2696 2697 %% AE = (App) E 2698 {ok, AE} = xref:q(S, "AE"), 2699 {ok, AE} = xref:q(S, "(App) E"), 2700 2701 %% RE = (Rel) E 2702 {ok, RE} = xref:q(S, "RE"), 2703 {ok, RE} = xref:q(S, "(Rel) E"), 2704 2705 %% (Mod) V subset of M 2706 {ok, []} = xref:q(S, "(Mod) V - M"), 2707 2708 %% range UC subset of U 2709 {ok, []} = xref:q(S, "range UC - U"), 2710 2711 %% Some checks on the numbers returned by the info functions. 2712 2713 {Resolved, Unresolved} = info(Info, no_calls), 2714 AllCalls = Resolved + Unresolved, 2715 {ok, AllCalls} = xref:q(S, "# (XLin) E + # (LLin) E"), 2716 2717 {Local, Exported} = info(Info, no_functions), 2718 LX = Local+Exported, 2719 {ok, LXs} = xref:q(S, 'Extra = _:module_info/"(0|1)" + LM, 2720 # (F - Extra)'), 2721 true = LX =:= LXs, 2722 2723 {LocalCalls, ExternalCalls, UnresCalls} = 2724 info(Info, no_function_calls), 2725 LEU = LocalCalls + ExternalCalls + UnresCalls, 2726 {ok, LEU} = xref:q(S, "# LC + # XC"), 2727 2728 InterFunctionCalls = info(Info, no_inter_function_calls), 2729 {ok, InterFunctionCalls} = xref:q(S, "# EE"), 2730 2731 %% And some more checks on counters... 2732 check_count(S), 2733 2734 %% ... and more 2735 {ok, []} = xref:q(S, "LM - X - U - B"), 2736 2737 ok. 2738 2739modules_mode_check(S, Info) -> 2740 %% B subset of XU, 2741 {ok, []} = xref:q(S, "B - XU"), 2742 2743 %% M = AM + LM + UM 2744 {ok, M} = xref:q(S, "M"), 2745 {ok, M} = xref:q(S, "AM + LM + UM"), 2746 2747 %% DF is a subset of X U B, etc. 2748 {ok, []} = xref:q(S, "DF - X - B"), 2749 {ok, []} = xref:q(S, "DF_3 - DF"), 2750 {ok, []} = xref:q(S, "DF_2 - DF_3"), 2751 {ok, []} = xref:q(S, "DF_1 - DF_2"), 2752 2753 %% AM, LM and UM are disjoint. 2754 {ok, []} = xref:q(S, "AM * LM + AM * UM + LM * UM"), 2755 2756 %% (App) M subset of A 2757 {ok, []} = xref:q(S, "(App) M - A"), 2758 2759 AM = info(Info, no_analyzed_modules), 2760 {ok, AM} = xref:q(S, "# AM"), 2761 2762 A = info(Info, no_applications), 2763 {ok, A} = xref:q(S, "# A"), 2764 2765 NoR = info(Info, no_releases), 2766 {ok, NoR} = xref:q(S, "# R"), 2767 2768 ok. 2769 2770%% Checks the counters of some of the overall and modules info functions. 2771%% (Applications and releases are not checked.) 2772check_count(S) -> 2773 %%{ok, R} = xref:q(S, 'R'), 2774 %% {ok, A} = xref:q(S, 'A'), 2775 {ok, M} = xref:q(S, 'AM'), 2776 2777 {ok, _} = xref:q(S, 2778 "Extra := _:module_info/\"(0|1)\" + LM"), 2779 2780 %% info/1: 2781 {ok, NoR} = xref:q(S, '# R'), 2782 {ok, NoA} = xref:q(S, '# A'), 2783 {ok, NoM} = xref:q(S, '# AM'), 2784 {ok, NoCalls} = xref:q(S, '# (XLin) E + # (LLin) E'), 2785 {ok, NoFunCalls} = xref:q(S, '# E'), 2786 {ok, NoXCalls} = xref:q(S, '# XC'), 2787 {ok, NoLCalls} = xref:q(S, '# LC'), 2788 {ok, NoLXCalls} = xref:q(S, '# (XC * LC)'), 2789 NoAllCalls = NoXCalls + NoLCalls, 2790 {ok, NoFun} = xref:q(S, '# (F - Extra)'), 2791 {ok, NoICalls} = xref:q(S, '# EE'), 2792 2793 Info = xref:info(S), 2794 NoR = info(Info, no_releases), 2795 NoA = info(Info, no_applications), 2796 NoM = info(Info, no_analyzed_modules), 2797 {NoResolved, NoUC} = info(Info, no_calls), 2798 NoCalls = NoResolved + NoUC, 2799 {NoLocal, NoExternal, NoUnres} = info(Info, no_function_calls), 2800 NoAllCalls = NoLocal + NoExternal + NoUnres, 2801 NoAllCalls = NoFunCalls + NoLXCalls, 2802 {NoLocalFuns, NoExportedFuns} = info(Info, no_functions), 2803 NoFun = NoLocalFuns + NoExportedFuns, 2804 NoICalls = info(Info, no_inter_function_calls), 2805 2806 %% per module 2807 info_module(M, S), 2808 2809 ok. 2810 2811info_module([M | Ms], S) -> 2812 {ok, NoCalls} = per_module("T = (E | ~p : Mod), # (XLin) T + # (LLin) T", 2813 M, S), 2814 {ok, NoFunCalls} = per_module("# (E | ~p : Mod)", M, S), 2815 {ok, NoXCalls} = per_module("# (XC | ~p : Mod)", M, S), 2816 {ok, NoLCalls} = per_module("# (LC | ~p : Mod)", M, S), 2817 {ok, NoLXCalls} = per_module("# ((XC * LC) | ~p : Mod)", M, S), 2818 NoAllCalls = NoXCalls + NoLCalls, 2819 {ok, NoFun} = per_module("# (F * ~p : Mod - Extra)", M, S), 2820 {ok, NoICalls} = per_module("# (EE | ~p : Mod)", M, S), 2821 2822 [{_M,Info}] = xref:info(S, modules, M), 2823 {NoResolved, NoUC} = info(Info, no_calls), 2824 NoCalls = NoResolved + NoUC, 2825 {NoLocal, NoExternal, NoUnres} = info(Info, no_function_calls), 2826 NoAllCalls = NoLocal + NoExternal + NoUnres, 2827 NoAllCalls = NoFunCalls + NoLXCalls, 2828 {NoLocalFuns, NoExportedFuns} = info(Info, no_functions), 2829 NoFun = NoLocalFuns + NoExportedFuns, 2830 NoICalls = info(Info, no_inter_function_calls), 2831 2832 info_module(Ms, S); 2833info_module([], _S) -> 2834 ok. 2835 2836per_module(Q, M, S) -> 2837 xref:q(S, f(Q, [M])). 2838 2839info(Info, What) -> 2840 {value, {What, Value}} = lists:keysearch(What, 1, Info), 2841 Value. 2842 2843f(S, A) -> 2844 flatten(io_lib:format(S, A)). 2845 2846fatom(R) -> 2847 list_to_atom(fstring(R)). 2848 2849fstring(R) -> 2850 flatten(xref:format_error(R)). 2851 2852start(Server) -> 2853 case xref:start(Server) of 2854 {error, {already_started, _Pid}} -> 2855 xref:stop(Server), 2856 xref:start(Server); 2857 R -> R 2858 end. 2859 2860add_erts_code_path(KernelPath) -> 2861 VersionDirs = 2862 filelib:is_dir( 2863 filename:join( 2864 [code:lib_dir(), 2865 lists:flatten( 2866 ["kernel-", 2867 [X || 2868 {kernel,_,X} <- 2869 application_controller:which_applications()]])])), 2870 case VersionDirs of 2871 true -> 2872 case code:lib_dir(erts) of 2873 String when is_list(String) -> 2874 [KernelPath, fname(String,"ebin")]; 2875 _Other1 -> 2876 [KernelPath] 2877 end; 2878 false -> 2879 % Clearcase? 2880 PrelPath = filename:join([code:lib_dir(),"..","erts","preloaded"]), 2881 case filelib:is_dir(PrelPath) of 2882 true -> 2883 [KernelPath, fname(PrelPath,"ebin")]; 2884 false -> 2885 [KernelPath] 2886 end 2887 end. 2888