diff options
Diffstat (limited to 'lib/dialyzer/test/small_SUITE_data')
35 files changed, 625 insertions, 149 deletions
diff --git a/lib/dialyzer/test/small_SUITE_data/results/abs b/lib/dialyzer/test/small_SUITE_data/results/abs new file mode 100644 index 0000000000..f229a6d036 --- /dev/null +++ b/lib/dialyzer/test/small_SUITE_data/results/abs @@ -0,0 +1,9 @@ + +abs.erl:12: Function i1/0 has no local return +abs.erl:16: The pattern 'true' can never match the type 'false' +abs.erl:23: Function i2/0 has no local return +abs.erl:27: The pattern 'true' can never match the type 'false' +abs.erl:34: Function i3/0 has no local return +abs.erl:37: The pattern 'true' can never match the type 'false' +abs.erl:45: Function i4/0 has no local return +abs.erl:49: The pattern 'true' can never match the type 'false' diff --git a/lib/dialyzer/test/small_SUITE_data/results/app_call b/lib/dialyzer/test/small_SUITE_data/results/app_call index cc1a63f944..1af649815a 100644 --- a/lib/dialyzer/test/small_SUITE_data/results/app_call +++ b/lib/dialyzer/test/small_SUITE_data/results/app_call @@ -1,3 +1,3 @@ -app_call.erl:6: The call M:'foo'() requires that M is of type atom() | tuple() not 42 +app_call.erl:6: The call M:'foo'() requires that M is of type atom() not 42 app_call.erl:9: The call 'mod':F() requires that F is of type atom() not {'gazonk',[]} diff --git a/lib/dialyzer/test/small_SUITE_data/results/bif1 b/lib/dialyzer/test/small_SUITE_data/results/bif1 new file mode 100644 index 0000000000..289b6f821f --- /dev/null +++ b/lib/dialyzer/test/small_SUITE_data/results/bif1 @@ -0,0 +1,3 @@ + +bif1.erl:13: Function string_chars/0 has no local return +bif1.erl:16: The call string:chars(S::65,10,L2::bif1_adt:s()) contains an opaque term as 3rd argument when terms of different types are expected in these positions diff --git a/lib/dialyzer/test/small_SUITE_data/results/comparisons b/lib/dialyzer/test/small_SUITE_data/results/comparisons index 642585d25e..5083d2695a 100644 --- a/lib/dialyzer/test/small_SUITE_data/results/comparisons +++ b/lib/dialyzer/test/small_SUITE_data/results/comparisons @@ -1,50 +1,43 @@ comparisons.erl:100: The pattern 'true' can never match the type 'false' -comparisons.erl:101: The pattern 'true' can never match the type 'false' +comparisons.erl:101: The pattern 'false' can never match the type 'true' comparisons.erl:102: The pattern 'false' can never match the type 'true' -comparisons.erl:103: The pattern 'false' can never match the type 'true' +comparisons.erl:103: The pattern 'true' can never match the type 'false' comparisons.erl:104: The pattern 'true' can never match the type 'false' -comparisons.erl:105: The pattern 'true' can never match the type 'false' -comparisons.erl:107: The pattern 'true' can never match the type 'false' -comparisons.erl:108: The pattern 'true' can never match the type 'false' -comparisons.erl:109: The pattern 'false' can never match the type 'true' -comparisons.erl:110: The pattern 'false' can never match the type 'true' -comparisons.erl:111: The pattern 'true' can never match the type 'false' -comparisons.erl:112: The pattern 'true' can never match the type 'false' -comparisons.erl:113: The pattern 'false' can never match the type 'true' -comparisons.erl:114: The pattern 'false' can never match the type 'true' -comparisons.erl:115: The pattern 'true' can never match the type 'false' -comparisons.erl:116: The pattern 'true' can never match the type 'false' -comparisons.erl:117: The pattern 'false' can never match the type 'true' comparisons.erl:118: The pattern 'false' can never match the type 'true' +comparisons.erl:119: The pattern 'false' can never match the type 'true' +comparisons.erl:120: The pattern 'true' can never match the type 'false' +comparisons.erl:121: The pattern 'true' can never match the type 'false' +comparisons.erl:122: The pattern 'false' can never match the type 'true' comparisons.erl:123: The pattern 'false' can never match the type 'true' -comparisons.erl:124: The pattern 'false' can never match the type 'true' +comparisons.erl:124: The pattern 'true' can never match the type 'false' comparisons.erl:125: The pattern 'true' can never match the type 'false' -comparisons.erl:126: The pattern 'true' can never match the type 'false' +comparisons.erl:126: The pattern 'false' can never match the type 'true' comparisons.erl:127: The pattern 'false' can never match the type 'true' -comparisons.erl:128: The pattern 'false' can never match the type 'true' +comparisons.erl:128: The pattern 'true' can never match the type 'false' comparisons.erl:129: The pattern 'true' can never match the type 'false' -comparisons.erl:130: The pattern 'true' can never match the type 'false' +comparisons.erl:130: The pattern 'false' can never match the type 'true' +comparisons.erl:131: The pattern 'false' can never match the type 'true' comparisons.erl:132: The pattern 'true' can never match the type 'false' comparisons.erl:133: The pattern 'true' can never match the type 'false' comparisons.erl:134: The pattern 'false' can never match the type 'true' comparisons.erl:135: The pattern 'false' can never match the type 'true' comparisons.erl:136: The pattern 'true' can never match the type 'false' comparisons.erl:137: The pattern 'true' can never match the type 'false' -comparisons.erl:138: The pattern 'false' can never match the type 'true' -comparisons.erl:139: The pattern 'false' can never match the type 'true' +comparisons.erl:139: The pattern 'true' can never match the type 'false' comparisons.erl:140: The pattern 'true' can never match the type 'false' -comparisons.erl:141: The pattern 'true' can never match the type 'false' +comparisons.erl:141: The pattern 'false' can never match the type 'true' comparisons.erl:142: The pattern 'false' can never match the type 'true' -comparisons.erl:143: The pattern 'false' can never match the type 'true' +comparisons.erl:143: The pattern 'true' can never match the type 'false' comparisons.erl:144: The pattern 'true' can never match the type 'false' -comparisons.erl:145: The pattern 'true' can never match the type 'false' +comparisons.erl:145: The pattern 'false' can never match the type 'true' comparisons.erl:146: The pattern 'false' can never match the type 'true' -comparisons.erl:147: The pattern 'false' can never match the type 'true' -comparisons.erl:152: The pattern 'false' can never match the type 'true' -comparisons.erl:153: The pattern 'false' can never match the type 'true' -comparisons.erl:154: The pattern 'true' can never match the type 'false' -comparisons.erl:155: The pattern 'true' can never match the type 'false' +comparisons.erl:147: The pattern 'true' can never match the type 'false' +comparisons.erl:148: The pattern 'true' can never match the type 'false' +comparisons.erl:149: The pattern 'false' can never match the type 'true' +comparisons.erl:150: The pattern 'false' can never match the type 'true' +comparisons.erl:155: The pattern 'false' can never match the type 'true' +comparisons.erl:156: The pattern 'false' can never match the type 'true' comparisons.erl:157: The pattern 'true' can never match the type 'false' comparisons.erl:158: The pattern 'true' can never match the type 'false' comparisons.erl:159: The pattern 'false' can never match the type 'true' @@ -59,36 +52,62 @@ comparisons.erl:167: The pattern 'false' can never match the type 'true' comparisons.erl:168: The pattern 'false' can never match the type 'true' comparisons.erl:169: The pattern 'true' can never match the type 'false' comparisons.erl:170: The pattern 'true' can never match the type 'false' -comparisons.erl:171: The pattern 'false' can never match the type 'true' -comparisons.erl:172: The pattern 'false' can never match the type 'true' +comparisons.erl:172: The pattern 'true' can never match the type 'false' comparisons.erl:173: The pattern 'true' can never match the type 'false' -comparisons.erl:174: The pattern 'true' can never match the type 'false' +comparisons.erl:174: The pattern 'false' can never match the type 'true' comparisons.erl:175: The pattern 'false' can never match the type 'true' -comparisons.erl:176: The pattern 'false' can never match the type 'true' +comparisons.erl:176: The pattern 'true' can never match the type 'false' +comparisons.erl:177: The pattern 'true' can never match the type 'false' +comparisons.erl:178: The pattern 'false' can never match the type 'true' +comparisons.erl:179: The pattern 'false' can never match the type 'true' +comparisons.erl:180: The pattern 'true' can never match the type 'false' +comparisons.erl:181: The pattern 'true' can never match the type 'false' +comparisons.erl:182: The pattern 'false' can never match the type 'true' +comparisons.erl:183: The pattern 'false' can never match the type 'true' +comparisons.erl:184: The pattern 'true' can never match the type 'false' +comparisons.erl:185: The pattern 'true' can never match the type 'false' comparisons.erl:186: The pattern 'false' can never match the type 'true' comparisons.erl:187: The pattern 'false' can never match the type 'true' -comparisons.erl:188: The pattern 'true' can never match the type 'false' -comparisons.erl:189: The pattern 'true' can never match the type 'false' -comparisons.erl:190: The pattern 'false' can never match the type 'true' -comparisons.erl:191: The pattern 'false' can never match the type 'true' -comparisons.erl:192: The pattern 'true' can never match the type 'false' -comparisons.erl:193: The pattern 'true' can never match the type 'false' -comparisons.erl:203: The pattern 'false' can never match the type 'true' -comparisons.erl:204: The pattern 'false' can never match the type 'true' +comparisons.erl:192: The pattern 'false' can never match the type 'true' +comparisons.erl:193: The pattern 'false' can never match the type 'true' +comparisons.erl:194: The pattern 'true' can never match the type 'false' +comparisons.erl:195: The pattern 'true' can never match the type 'false' +comparisons.erl:196: The pattern 'false' can never match the type 'true' +comparisons.erl:197: The pattern 'false' can never match the type 'true' +comparisons.erl:198: The pattern 'true' can never match the type 'false' +comparisons.erl:199: The pattern 'true' can never match the type 'false' +comparisons.erl:200: The pattern 'false' can never match the type 'true' +comparisons.erl:201: The pattern 'false' can never match the type 'true' +comparisons.erl:202: The pattern 'true' can never match the type 'false' +comparisons.erl:203: The pattern 'true' can never match the type 'false' comparisons.erl:205: The pattern 'true' can never match the type 'false' comparisons.erl:206: The pattern 'true' can never match the type 'false' -comparisons.erl:208: The pattern 'true' can never match the type 'false' +comparisons.erl:207: The pattern 'false' can never match the type 'true' +comparisons.erl:208: The pattern 'false' can never match the type 'true' comparisons.erl:209: The pattern 'true' can never match the type 'false' -comparisons.erl:210: The pattern 'false' can never match the type 'true' +comparisons.erl:210: The pattern 'true' can never match the type 'false' comparisons.erl:211: The pattern 'false' can never match the type 'true' +comparisons.erl:212: The pattern 'false' can never match the type 'true' +comparisons.erl:213: The pattern 'true' can never match the type 'false' +comparisons.erl:214: The pattern 'true' can never match the type 'false' +comparisons.erl:215: The pattern 'false' can never match the type 'true' +comparisons.erl:216: The pattern 'false' can never match the type 'true' +comparisons.erl:217: The pattern 'true' can never match the type 'false' +comparisons.erl:218: The pattern 'true' can never match the type 'false' +comparisons.erl:219: The pattern 'false' can never match the type 'true' +comparisons.erl:220: The pattern 'false' can never match the type 'true' comparisons.erl:221: The pattern 'true' can never match the type 'false' comparisons.erl:222: The pattern 'true' can never match the type 'false' comparisons.erl:223: The pattern 'false' can never match the type 'true' comparisons.erl:224: The pattern 'false' can never match the type 'true' -comparisons.erl:225: The pattern 'true' can never match the type 'false' -comparisons.erl:226: The pattern 'true' can never match the type 'false' -comparisons.erl:227: The pattern 'false' can never match the type 'true' -comparisons.erl:228: The pattern 'false' can never match the type 'true' +comparisons.erl:229: The pattern 'true' can never match the type 'false' +comparisons.erl:230: The pattern 'true' can never match the type 'false' +comparisons.erl:231: The pattern 'false' can never match the type 'true' +comparisons.erl:232: The pattern 'false' can never match the type 'true' +comparisons.erl:233: The pattern 'false' can never match the type 'true' +comparisons.erl:234: The pattern 'false' can never match the type 'true' +comparisons.erl:235: The pattern 'true' can never match the type 'false' +comparisons.erl:236: The pattern 'true' can never match the type 'false' comparisons.erl:242: The pattern 'false' can never match the type 'true' comparisons.erl:243: The pattern 'false' can never match the type 'true' comparisons.erl:244: The pattern 'true' can never match the type 'false' @@ -97,57 +116,86 @@ comparisons.erl:246: The pattern 'false' can never match the type 'true' comparisons.erl:247: The pattern 'false' can never match the type 'true' comparisons.erl:248: The pattern 'true' can never match the type 'false' comparisons.erl:249: The pattern 'true' can never match the type 'false' -comparisons.erl:251: The pattern 'true' can never match the type 'false' -comparisons.erl:252: The pattern 'true' can never match the type 'false' -comparisons.erl:253: The pattern 'false' can never match the type 'true' -comparisons.erl:254: The pattern 'false' can never match the type 'true' -comparisons.erl:263: The pattern 'false' can never match the type 'true' -comparisons.erl:264: The pattern 'false' can never match the type 'true' +comparisons.erl:259: The pattern 'false' can never match the type 'true' +comparisons.erl:260: The pattern 'false' can never match the type 'true' +comparisons.erl:261: The pattern 'true' can never match the type 'false' +comparisons.erl:262: The pattern 'true' can never match the type 'false' +comparisons.erl:264: The pattern 'true' can never match the type 'false' comparisons.erl:265: The pattern 'true' can never match the type 'false' -comparisons.erl:266: The pattern 'true' can never match the type 'false' -comparisons.erl:268: The pattern 'true' can never match the type 'false' -comparisons.erl:269: The pattern 'true' can never match the type 'false' -comparisons.erl:270: The pattern 'false' can never match the type 'true' -comparisons.erl:271: The pattern 'false' can never match the type 'true' -comparisons.erl:272: The pattern 'true' can never match the type 'false' -comparisons.erl:273: The pattern 'true' can never match the type 'false' -comparisons.erl:274: The pattern 'false' can never match the type 'true' -comparisons.erl:275: The pattern 'false' can never match the type 'true' -comparisons.erl:293: The pattern 'false' can never match the type 'true' -comparisons.erl:294: The pattern 'false' can never match the type 'true' -comparisons.erl:295: The pattern 'true' can never match the type 'false' -comparisons.erl:296: The pattern 'true' can never match the type 'false' -comparisons.erl:311: The pattern 'true' can never match the type 'false' -comparisons.erl:312: The pattern 'true' can never match the type 'false' -comparisons.erl:313: The pattern 'false' can never match the type 'true' -comparisons.erl:314: The pattern 'false' can never match the type 'true' -comparisons.erl:44: The pattern 'false' can never match the type 'true' -comparisons.erl:45: The pattern 'false' can never match the type 'true' -comparisons.erl:46: The pattern 'true' can never match the type 'false' -comparisons.erl:47: The pattern 'true' can never match the type 'false' -comparisons.erl:48: The pattern 'false' can never match the type 'true' -comparisons.erl:49: The pattern 'false' can never match the type 'true' -comparisons.erl:50: The pattern 'true' can never match the type 'false' -comparisons.erl:51: The pattern 'true' can never match the type 'false' +comparisons.erl:266: The pattern 'false' can never match the type 'true' +comparisons.erl:267: The pattern 'false' can never match the type 'true' +comparisons.erl:277: The pattern 'true' can never match the type 'false' +comparisons.erl:278: The pattern 'true' can never match the type 'false' +comparisons.erl:279: The pattern 'false' can never match the type 'true' +comparisons.erl:280: The pattern 'false' can never match the type 'true' +comparisons.erl:281: The pattern 'true' can never match the type 'false' +comparisons.erl:282: The pattern 'true' can never match the type 'false' +comparisons.erl:283: The pattern 'false' can never match the type 'true' +comparisons.erl:284: The pattern 'false' can never match the type 'true' +comparisons.erl:298: The pattern 'false' can never match the type 'true' +comparisons.erl:299: The pattern 'false' can never match the type 'true' +comparisons.erl:300: The pattern 'true' can never match the type 'false' +comparisons.erl:301: The pattern 'true' can never match the type 'false' +comparisons.erl:302: The pattern 'false' can never match the type 'true' +comparisons.erl:303: The pattern 'false' can never match the type 'true' +comparisons.erl:304: The pattern 'true' can never match the type 'false' +comparisons.erl:305: The pattern 'true' can never match the type 'false' +comparisons.erl:307: The pattern 'true' can never match the type 'false' +comparisons.erl:308: The pattern 'true' can never match the type 'false' +comparisons.erl:309: The pattern 'false' can never match the type 'true' +comparisons.erl:310: The pattern 'false' can never match the type 'true' +comparisons.erl:319: The pattern 'false' can never match the type 'true' +comparisons.erl:320: The pattern 'false' can never match the type 'true' +comparisons.erl:321: The pattern 'true' can never match the type 'false' +comparisons.erl:322: The pattern 'true' can never match the type 'false' +comparisons.erl:324: The pattern 'true' can never match the type 'false' +comparisons.erl:325: The pattern 'true' can never match the type 'false' +comparisons.erl:326: The pattern 'false' can never match the type 'true' +comparisons.erl:327: The pattern 'false' can never match the type 'true' +comparisons.erl:328: The pattern 'true' can never match the type 'false' +comparisons.erl:329: The pattern 'true' can never match the type 'false' +comparisons.erl:330: The pattern 'false' can never match the type 'true' +comparisons.erl:331: The pattern 'false' can never match the type 'true' +comparisons.erl:349: The pattern 'false' can never match the type 'true' +comparisons.erl:350: The pattern 'false' can never match the type 'true' +comparisons.erl:351: The pattern 'true' can never match the type 'false' +comparisons.erl:352: The pattern 'true' can never match the type 'false' +comparisons.erl:367: The pattern 'true' can never match the type 'false' +comparisons.erl:368: The pattern 'true' can never match the type 'false' +comparisons.erl:369: The pattern 'false' can never match the type 'true' +comparisons.erl:370: The pattern 'false' can never match the type 'true' comparisons.erl:52: The pattern 'false' can never match the type 'true' comparisons.erl:53: The pattern 'false' can never match the type 'true' comparisons.erl:54: The pattern 'true' can never match the type 'false' comparisons.erl:55: The pattern 'true' can never match the type 'false' +comparisons.erl:56: The pattern 'false' can never match the type 'true' +comparisons.erl:57: The pattern 'false' can never match the type 'true' +comparisons.erl:58: The pattern 'true' can never match the type 'false' +comparisons.erl:59: The pattern 'true' can never match the type 'false' +comparisons.erl:60: The pattern 'false' can never match the type 'true' +comparisons.erl:61: The pattern 'false' can never match the type 'true' +comparisons.erl:62: The pattern 'true' can never match the type 'false' +comparisons.erl:63: The pattern 'true' can never match the type 'false' +comparisons.erl:64: The pattern 'false' can never match the type 'true' +comparisons.erl:65: The pattern 'false' can never match the type 'true' +comparisons.erl:66: The pattern 'true' can never match the type 'false' +comparisons.erl:67: The pattern 'true' can never match the type 'false' +comparisons.erl:68: The pattern 'false' can never match the type 'true' comparisons.erl:69: The pattern 'false' can never match the type 'true' -comparisons.erl:70: The pattern 'false' can never match the type 'true' +comparisons.erl:70: The pattern 'true' can never match the type 'false' comparisons.erl:71: The pattern 'true' can never match the type 'false' -comparisons.erl:72: The pattern 'true' can never match the type 'false' -comparisons.erl:73: The pattern 'false' can never match the type 'true' -comparisons.erl:74: The pattern 'false' can never match the type 'true' -comparisons.erl:75: The pattern 'true' can never match the type 'false' -comparisons.erl:76: The pattern 'true' can never match the type 'false' -comparisons.erl:77: The pattern 'false' can never match the type 'true' -comparisons.erl:78: The pattern 'false' can never match the type 'true' -comparisons.erl:79: The pattern 'true' can never match the type 'false' -comparisons.erl:80: The pattern 'true' can never match the type 'false' +comparisons.erl:85: The pattern 'false' can never match the type 'true' +comparisons.erl:86: The pattern 'false' can never match the type 'true' +comparisons.erl:87: The pattern 'true' can never match the type 'false' +comparisons.erl:88: The pattern 'true' can never match the type 'false' +comparisons.erl:89: The pattern 'false' can never match the type 'true' +comparisons.erl:90: The pattern 'false' can never match the type 'true' +comparisons.erl:91: The pattern 'true' can never match the type 'false' +comparisons.erl:92: The pattern 'true' can never match the type 'false' +comparisons.erl:93: The pattern 'false' can never match the type 'true' comparisons.erl:94: The pattern 'false' can never match the type 'true' -comparisons.erl:95: The pattern 'false' can never match the type 'true' +comparisons.erl:95: The pattern 'true' can never match the type 'false' comparisons.erl:96: The pattern 'true' can never match the type 'false' -comparisons.erl:97: The pattern 'true' can never match the type 'false' +comparisons.erl:97: The pattern 'false' can never match the type 'true' comparisons.erl:98: The pattern 'false' can never match the type 'true' -comparisons.erl:99: The pattern 'false' can never match the type 'true' +comparisons.erl:99: The pattern 'true' can never match the type 'false' diff --git a/lib/dialyzer/test/small_SUITE_data/results/contracts_with_subtypes b/lib/dialyzer/test/small_SUITE_data/results/contracts_with_subtypes index a9fbfb6068..d2a3ebb766 100644 --- a/lib/dialyzer/test/small_SUITE_data/results/contracts_with_subtypes +++ b/lib/dialyzer/test/small_SUITE_data/results/contracts_with_subtypes @@ -1,15 +1,15 @@ -contracts_with_subtypes.erl:106: The call contracts_with_subtypes:rec_arg({'a','b'}) breaks the contract (Arg) -> 'ok' when is_subtype(Arg,{'a',A} | {'b',B}), is_subtype(A,'a' | {'b',B}), is_subtype(B,'b' | {'a',A}) -contracts_with_subtypes.erl:107: The call contracts_with_subtypes:rec_arg({'b','a'}) breaks the contract (Arg) -> 'ok' when is_subtype(Arg,{'a',A} | {'b',B}), is_subtype(A,'a' | {'b',B}), is_subtype(B,'b' | {'a',A}) -contracts_with_subtypes.erl:109: The call contracts_with_subtypes:rec_arg({'b',{'a','b'}}) breaks the contract (Arg) -> 'ok' when is_subtype(Arg,{'a',A} | {'b',B}), is_subtype(A,'a' | {'b',B}), is_subtype(B,'b' | {'a',A}) -contracts_with_subtypes.erl:135: The call contracts_with_subtypes:rec2({'a','b'}) breaks the contract (Arg) -> 'ok' when is_subtype(Arg,ab()) -contracts_with_subtypes.erl:136: The call contracts_with_subtypes:rec2({'b','a'}) breaks the contract (Arg) -> 'ok' when is_subtype(Arg,ab()) -contracts_with_subtypes.erl:137: The call contracts_with_subtypes:rec2({'a',{'b','a'}}) breaks the contract (Arg) -> 'ok' when is_subtype(Arg,ab()) -contracts_with_subtypes.erl:138: The call contracts_with_subtypes:rec2({'b',{'a','b'}}) breaks the contract (Arg) -> 'ok' when is_subtype(Arg,ab()) -contracts_with_subtypes.erl:139: The call contracts_with_subtypes:rec2({'a',{'b',{'a','b'}}}) breaks the contract (Arg) -> 'ok' when is_subtype(Arg,ab()) -contracts_with_subtypes.erl:140: The call contracts_with_subtypes:rec2({'b',{'a',{'b','a'}}}) breaks the contract (Arg) -> 'ok' when is_subtype(Arg,ab()) -contracts_with_subtypes.erl:141: The call contracts_with_subtypes:rec2({'a',{'b',{'a',{'b','a'}}}}) breaks the contract (Arg) -> 'ok' when is_subtype(Arg,ab()) -contracts_with_subtypes.erl:142: The call contracts_with_subtypes:rec2({'b',{'a',{'b',{'a','b'}}}}) breaks the contract (Arg) -> 'ok' when is_subtype(Arg,ab()) +contracts_with_subtypes.erl:106: The call contracts_with_subtypes:rec_arg({'a','b'}) breaks the contract (Arg) -> 'ok' when Arg :: {'a',A} | {'b',B}, A :: 'a' | {'b',B}, B :: 'b' | {'a',A} +contracts_with_subtypes.erl:107: The call contracts_with_subtypes:rec_arg({'b','a'}) breaks the contract (Arg) -> 'ok' when Arg :: {'a',A} | {'b',B}, A :: 'a' | {'b',B}, B :: 'b' | {'a',A} +contracts_with_subtypes.erl:109: The call contracts_with_subtypes:rec_arg({'b',{'a','b'}}) breaks the contract (Arg) -> 'ok' when Arg :: {'a',A} | {'b',B}, A :: 'a' | {'b',B}, B :: 'b' | {'a',A} +contracts_with_subtypes.erl:135: The call contracts_with_subtypes:rec2({'a','b'}) breaks the contract (Arg) -> 'ok' when Arg :: ab() +contracts_with_subtypes.erl:136: The call contracts_with_subtypes:rec2({'b','a'}) breaks the contract (Arg) -> 'ok' when Arg :: ab() +contracts_with_subtypes.erl:137: The call contracts_with_subtypes:rec2({'a',{'b','a'}}) breaks the contract (Arg) -> 'ok' when Arg :: ab() +contracts_with_subtypes.erl:138: The call contracts_with_subtypes:rec2({'b',{'a','b'}}) breaks the contract (Arg) -> 'ok' when Arg :: ab() +contracts_with_subtypes.erl:139: The call contracts_with_subtypes:rec2({'a',{'b',{'a','b'}}}) breaks the contract (Arg) -> 'ok' when Arg :: ab() +contracts_with_subtypes.erl:140: The call contracts_with_subtypes:rec2({'b',{'a',{'b','a'}}}) breaks the contract (Arg) -> 'ok' when Arg :: ab() +contracts_with_subtypes.erl:141: The call contracts_with_subtypes:rec2({'a',{'b',{'a',{'b','a'}}}}) breaks the contract (Arg) -> 'ok' when Arg :: ab() +contracts_with_subtypes.erl:142: The call contracts_with_subtypes:rec2({'b',{'a',{'b',{'a','b'}}}}) breaks the contract (Arg) -> 'ok' when Arg :: ab() contracts_with_subtypes.erl:175: The pattern 1 can never match the type string() contracts_with_subtypes.erl:178: The pattern 'alpha' can never match the type {'ok',_} | {'ok',_,string()} contracts_with_subtypes.erl:180: The pattern 42 can never match the type {'ok',_} | {'ok',_,string()} @@ -24,13 +24,13 @@ contracts_with_subtypes.erl:23: Invalid type specification for function contract contracts_with_subtypes.erl:240: The pattern {'ok', 42} can never match the type {'ok',_,string()} contracts_with_subtypes.erl:241: The pattern 42 can never match the type {'ok',_,string()} contracts_with_subtypes.erl:267: Function flat_ets_new_t/0 has no local return -contracts_with_subtypes.erl:268: The call contracts_with_subtypes:flat_ets_new(12,[]) breaks the contract (Name,Options) -> atom() when is_subtype(Name,atom()), is_subtype(Options,[Option]), is_subtype(Option,'set' | 'ordered_set' | 'bag' | 'duplicate_bag' | 'public' | 'protected' | 'private' | 'named_table' | {'keypos',integer()} | {'heir',pid(),term()} | {'heir','none'} | {'write_concurrency',boolean()} | {'read_concurrency',boolean()} | 'compressed') +contracts_with_subtypes.erl:268: The call contracts_with_subtypes:flat_ets_new(12,[]) breaks the contract (Name,Options) -> atom() when Name :: atom(), Options :: [Option], Option :: 'set' | 'ordered_set' | 'bag' | 'duplicate_bag' | 'public' | 'protected' | 'private' | 'named_table' | {'keypos',integer()} | {'heir',pid(),term()} | {'heir','none'} | {'write_concurrency',boolean()} | {'read_concurrency',boolean()} | 'compressed' contracts_with_subtypes.erl:294: Function factored_ets_new_t/0 has no local return -contracts_with_subtypes.erl:295: The call contracts_with_subtypes:factored_ets_new(12,[]) breaks the contract (Name,Options) -> atom() when is_subtype(Name,atom()), is_subtype(Options,[Option]), is_subtype(Option,Type | Access | 'named_table' | {'keypos',Pos} | {'heir',Pid::pid(),HeirData} | {'heir','none'} | Tweaks), is_subtype(Type,type()), is_subtype(Access,access()), is_subtype(Tweaks,{'write_concurrency',boolean()} | {'read_concurrency',boolean()} | 'compressed'), is_subtype(Pos,pos_integer()), is_subtype(HeirData,term()) -contracts_with_subtypes.erl:77: The call contracts_with_subtypes:foo1(5) breaks the contract (Arg1) -> Res when is_subtype(Arg1,atom()), is_subtype(Res,atom()) -contracts_with_subtypes.erl:78: The call contracts_with_subtypes:foo2(5) breaks the contract (Arg1) -> Res when is_subtype(Arg1,Arg2), is_subtype(Arg2,atom()), is_subtype(Res,atom()) -contracts_with_subtypes.erl:79: The call contracts_with_subtypes:foo3(5) breaks the contract (Arg1) -> Res when is_subtype(Arg2,atom()), is_subtype(Arg1,Arg2), is_subtype(Res,atom()) +contracts_with_subtypes.erl:295: The call contracts_with_subtypes:factored_ets_new(12,[]) breaks the contract (Name,Options) -> atom() when Name :: atom(), Options :: [Option], Option :: Type | Access | 'named_table' | {'keypos',Pos} | {'heir',Pid::pid(),HeirData} | {'heir','none'} | Tweaks, Type :: type(), Access :: access(), Tweaks :: {'write_concurrency',boolean()} | {'read_concurrency',boolean()} | 'compressed', Pos :: pos_integer(), HeirData :: term() +contracts_with_subtypes.erl:77: The call contracts_with_subtypes:foo1(5) breaks the contract (Arg1) -> Res when Arg1 :: atom(), Res :: atom() +contracts_with_subtypes.erl:78: The call contracts_with_subtypes:foo2(5) breaks the contract (Arg1) -> Res when Arg1 :: Arg2, Arg2 :: atom(), Res :: atom() +contracts_with_subtypes.erl:79: The call contracts_with_subtypes:foo3(5) breaks the contract (Arg1) -> Res when Arg2 :: atom(), Arg1 :: Arg2, Res :: atom() contracts_with_subtypes.erl:7: Invalid type specification for function contracts_with_subtypes:extract/0. The success typing is () -> 'something' -contracts_with_subtypes.erl:80: The call contracts_with_subtypes:foo4(5) breaks the contract (Type) -> Type when is_subtype(Type,atom()) +contracts_with_subtypes.erl:80: The call contracts_with_subtypes:foo4(5) breaks the contract (Type) -> Type when Type :: atom() contracts_with_subtypes.erl:81: The call contracts_with_subtypes:foo5(5) breaks the contract (Type::atom()) -> Type::atom() -contracts_with_subtypes.erl:82: The call contracts_with_subtypes:foo6(5) breaks the contract (Type) -> Type when is_subtype(Type,atom()) +contracts_with_subtypes.erl:82: The call contracts_with_subtypes:foo6(5) breaks the contract (Type) -> Type when Type :: atom() diff --git a/lib/dialyzer/test/small_SUITE_data/results/contracts_with_subtypes2 b/lib/dialyzer/test/small_SUITE_data/results/contracts_with_subtypes2 index 9f5433a13d..1a8aeb13d0 100644 --- a/lib/dialyzer/test/small_SUITE_data/results/contracts_with_subtypes2 +++ b/lib/dialyzer/test/small_SUITE_data/results/contracts_with_subtypes2 @@ -1,3 +1,3 @@ contracts_with_subtypes2.erl:18: Function t/0 has no local return -contracts_with_subtypes2.erl:19: The call contracts_with_subtypes2:t({'a',{'b',{'c',{'d',{'e',{'g',3}}}}}}) breaks the contract (Arg) -> 'ok' when is_subtype(Arg,{'a',A}), is_subtype(A,{'b',B}), is_subtype(B,{'c',C}), is_subtype(C,{'d',D}), is_subtype(D,{'e',E}), is_subtype(E,{'f',_}) +contracts_with_subtypes2.erl:19: The call contracts_with_subtypes2:t({'a',{'b',{'c',{'d',{'e',{'g',3}}}}}}) breaks the contract (Arg) -> 'ok' when Arg :: {'a',A}, A :: {'b',B}, B :: {'c',C}, C :: {'d',D}, D :: {'e',E}, E :: {'f',_} diff --git a/lib/dialyzer/test/small_SUITE_data/results/fun_arity b/lib/dialyzer/test/small_SUITE_data/results/fun_arity new file mode 100644 index 0000000000..cc9db65152 --- /dev/null +++ b/lib/dialyzer/test/small_SUITE_data/results/fun_arity @@ -0,0 +1,37 @@ + +fun_arity.erl:100: Fun application will fail since _cor1 :: fun(() -> any()) is not a function of arity 1 +fun_arity.erl:100: Function 'Mfa_0_ko'/1 has no local return +fun_arity.erl:104: Fun application will fail since _cor1 :: fun((_) -> any()) is not a function of arity 0 +fun_arity.erl:104: Function 'Mfa_1_ko'/1 has no local return +fun_arity.erl:111: Fun application will fail since _cor1 :: fun(() -> any()) is not a function of arity 1 +fun_arity.erl:111: Function mFa_0_ko/1 has no local return +fun_arity.erl:115: Fun application will fail since _cor1 :: fun((_) -> any()) is not a function of arity 0 +fun_arity.erl:115: Function mFa_1_ko/1 has no local return +fun_arity.erl:122: Fun application will fail since _cor2 :: fun(() -> any()) is not a function of arity 1 +fun_arity.erl:122: Function 'MFa_0_ko'/2 has no local return +fun_arity.erl:126: Fun application will fail since _cor2 :: fun((_) -> any()) is not a function of arity 0 +fun_arity.erl:126: Function 'MFa_1_ko'/2 has no local return +fun_arity.erl:35: Fun application will fail since _cor0 :: fun(() -> 'ok') is not a function of arity 1 +fun_arity.erl:35: Function f_0_ko/0 has no local return +fun_arity.erl:39: Fun application will fail since _cor0 :: fun((_) -> 'ok') is not a function of arity 0 +fun_arity.erl:39: Function f_1_ko/0 has no local return +fun_arity.erl:48: Fun application will fail since _cor0 :: fun(() -> 'ok') is not a function of arity 1 +fun_arity.erl:48: Function fa_0_ko/0 has no local return +fun_arity.erl:53: Fun application will fail since _cor0 :: fun((_) -> 'ok') is not a function of arity 0 +fun_arity.erl:53: Function fa_1_ko/0 has no local return +fun_arity.erl:63: Fun application will fail since _cor0 :: fun(() -> any()) is not a function of arity 1 +fun_arity.erl:63: Function mfa_0_ko/0 has no local return +fun_arity.erl:68: Fun application will fail since _cor0 :: fun((_) -> any()) is not a function of arity 0 +fun_arity.erl:68: Function mfa_1_ko/0 has no local return +fun_arity.erl:76: Fun application will fail since _cor0 :: fun(() -> any()) is not a function of arity 1 +fun_arity.erl:76: Function mfa_ne_0_ko/0 has no local return +fun_arity.erl:78: Function mf_ne/0 will never be called +fun_arity.erl:81: Fun application will fail since _cor0 :: fun((_) -> any()) is not a function of arity 0 +fun_arity.erl:81: Function mfa_ne_1_ko/0 has no local return +fun_arity.erl:83: Function mf_ne/1 will never be called +fun_arity.erl:89: Fun application will fail since _cor0 :: fun(() -> any()) is not a function of arity 1 +fun_arity.erl:89: Function mfa_nd_0_ko/0 has no local return +fun_arity.erl:90: Call to missing or unexported function fun_arity:mf_nd/0 +fun_arity.erl:93: Fun application will fail since _cor0 :: fun((_) -> any()) is not a function of arity 0 +fun_arity.erl:93: Function mfa_nd_1_ko/0 has no local return +fun_arity.erl:94: Call to missing or unexported function fun_arity:mf_nd/1 diff --git a/lib/dialyzer/test/small_SUITE_data/results/guards b/lib/dialyzer/test/small_SUITE_data/results/guards index 824a7cfa24..cd0d3cace0 100644 --- a/lib/dialyzer/test/small_SUITE_data/results/guards +++ b/lib/dialyzer/test/small_SUITE_data/results/guards @@ -10,8 +10,8 @@ guards.erl:136: The call guards:t16('a') will never return since it differs in t guards.erl:136: The call guards:t16('c') will never return since it differs in the 1st argument from the success typing arguments: ('b') guards.erl:55: Function t5/1 has no local return guards.erl:55: Guard test is_integer(A::atom()) can never succeed -guards.erl:59: Clause guard cannot succeed. The variable A was matched against the type any() guards.erl:59: Function t6/1 has no local return +guards.erl:59: Guard test is_integer(A::atom()) can never succeed guards.erl:67: The call guards:t7({42}) will never return since it differs in the 1st argument from the success typing arguments: (atom() | integer()) guards.erl:75: The call guards:t8({42}) will never return since it differs in the 1st argument from the success typing arguments: (atom() | integer()) guards.erl:92: The variable _ can never match since previous clauses completely covered the type {'true','true'} diff --git a/lib/dialyzer/test/small_SUITE_data/results/higher_order_discrepancy b/lib/dialyzer/test/small_SUITE_data/results/higher_order_discrepancy index 7ce440a60d..11b9ecade6 100644 --- a/lib/dialyzer/test/small_SUITE_data/results/higher_order_discrepancy +++ b/lib/dialyzer/test/small_SUITE_data/results/higher_order_discrepancy @@ -1,4 +1,3 @@ -higher_order_discrepancy.erl:11: The call higher_order_discrepancy:g('foo') will never return since it differs in the 1st argument from the success typing arguments: ('bar') -higher_order_discrepancy.erl:14: Function g/1 has no local return -higher_order_discrepancy.erl:14: The pattern 'bar' can never match the type 'foo' +higher_order_discrepancy.erl:19: Function g/1 has no local return +higher_order_discrepancy.erl:19: The pattern 'bar' can never match the type 'foo' diff --git a/lib/dialyzer/test/small_SUITE_data/results/literals b/lib/dialyzer/test/small_SUITE_data/results/literals index 03e161ca71..1ee39453a4 100644 --- a/lib/dialyzer/test/small_SUITE_data/results/literals +++ b/lib/dialyzer/test/small_SUITE_data/results/literals @@ -1,14 +1,17 @@ literals.erl:11: Function t1/0 has no local return -literals.erl:12: Record construction #r{id::'a'} violates the declared type of field id::'integer' | 'undefined' +literals.erl:12: Record construction #r{id::'a'} violates the declared type of field id::'integer' literals.erl:14: Function t2/0 has no local return -literals.erl:15: Record construction #r{id::'a'} violates the declared type of field id::'integer' | 'undefined' +literals.erl:15: Record construction #r{id::'a'} violates the declared type of field id::'integer' literals.erl:17: Function t3/0 has no local return -literals.erl:18: Record construction #r{id::'a'} violates the declared type of field id::'integer' | 'undefined' -literals.erl:21: Record construction #r{id::'a'} violates the declared type of field id::'integer' | 'undefined' +literals.erl:18: Record construction #r{id::'a'} violates the declared type of field id::'integer' +literals.erl:20: Function t4/0 has no local return +literals.erl:21: Record construction #r{id::'a'} violates the declared type of field id::'integer' literals.erl:23: Function m1/1 has no local return -literals.erl:23: Matching of pattern {'r', 'a'} tagged with a record name violates the declared type of #r{id::'integer' | 'undefined'} +literals.erl:23: Matching of pattern {'r', 'a'} tagged with a record name violates the declared type of #r{id::'integer'} literals.erl:26: Function m2/1 has no local return -literals.erl:26: Matching of pattern {'r', 'a'} tagged with a record name violates the declared type of #r{id::'integer' | 'undefined'} +literals.erl:26: Matching of pattern {'r', 'a'} tagged with a record name violates the declared type of #r{id::'integer'} literals.erl:29: Function m3/1 has no local return literals.erl:29: The pattern {{'r', 'a'}} can never match the type any() +literals.erl:32: Function m4/1 has no local return +literals.erl:32: Matching of pattern {'r', 'a'} tagged with a record name violates the declared type of #r{id::'integer'} diff --git a/lib/dialyzer/test/small_SUITE_data/results/maps1 b/lib/dialyzer/test/small_SUITE_data/results/maps1 new file mode 100644 index 0000000000..f36f7f4926 --- /dev/null +++ b/lib/dialyzer/test/small_SUITE_data/results/maps1 @@ -0,0 +1,4 @@ + +maps1.erl:43: Function t3/0 has no local return +maps1.erl:44: The call maps1:foo(#{'greger'=>3, #{'arne'=>'anka'}=>45},1) will never return since it differs in the 1st and 2nd argument from the success typing arguments: (#{'beta':=_, _=>_},'b') +maps1.erl:52: The variable Mod can never match since previous clauses completely covered the type #{} diff --git a/lib/dialyzer/test/small_SUITE_data/results/maps_difftype b/lib/dialyzer/test/small_SUITE_data/results/maps_difftype index 8980321135..3018b888db 100644 --- a/lib/dialyzer/test/small_SUITE_data/results/maps_difftype +++ b/lib/dialyzer/test/small_SUITE_data/results/maps_difftype @@ -1,3 +1,3 @@ maps_difftype.erl:10: Function empty_mismatch/1 has no local return -maps_difftype.erl:11: The pattern ~{}~ can never match the type tuple() +maps_difftype.erl:11: The pattern #{} can never match the type tuple() diff --git a/lib/dialyzer/test/small_SUITE_data/results/maps_sum b/lib/dialyzer/test/small_SUITE_data/results/maps_sum index a19c0bba96..bd192bdb93 100644 --- a/lib/dialyzer/test/small_SUITE_data/results/maps_sum +++ b/lib/dialyzer/test/small_SUITE_data/results/maps_sum @@ -1,4 +1,4 @@ -maps_sum.erl:15: Invalid type specification for function maps_sum:wrong1/1. The success typing is (#{}) -> any() +maps_sum.erl:15: Invalid type specification for function maps_sum:wrong1/1. The success typing is (map()) -> any() maps_sum.erl:26: Function wrong2/1 has no local return maps_sum.erl:27: The call lists:foldl(fun((_,_,_) -> any()),0,Data::any()) will never return since it differs in the 1st argument from the success typing arguments: (fun((_,_) -> any()),any(),[any()]) diff --git a/lib/dialyzer/test/small_SUITE_data/results/non_existing b/lib/dialyzer/test/small_SUITE_data/results/non_existing index 58da2bfc8b..b0da5998c7 100644 --- a/lib/dialyzer/test/small_SUITE_data/results/non_existing +++ b/lib/dialyzer/test/small_SUITE_data/results/non_existing @@ -1,2 +1,3 @@ +non_existing.erl:12: Call to missing or unexported function lists:non_existing_fun/1 non_existing.erl:9: Call to missing or unexported function lists:non_existing_call/1 diff --git a/lib/dialyzer/test/small_SUITE_data/results/pretty_bitstring b/lib/dialyzer/test/small_SUITE_data/results/pretty_bitstring index 0ad6eee766..e148e5cf22 100644 --- a/lib/dialyzer/test/small_SUITE_data/results/pretty_bitstring +++ b/lib/dialyzer/test/small_SUITE_data/results/pretty_bitstring @@ -1,3 +1,3 @@ pretty_bitstring.erl:7: Function t/0 has no local return -pretty_bitstring.erl:8: The call binary:copy(#{#<1>(8, 1, 'integer', ['unsigned', 'big']), #<2>(8, 1, 'integer', ['unsigned', 'big']), #<3>(3, 1, 'integer', ['unsigned', 'big'])}#,2) breaks the contract (Subject,N) -> binary() when is_subtype(Subject,binary()), is_subtype(N,non_neg_integer()) +pretty_bitstring.erl:8: The call binary:copy(#{#<1>(8, 1, 'integer', ['unsigned', 'big']), #<2>(8, 1, 'integer', ['unsigned', 'big']), #<3>(3, 1, 'integer', ['unsigned', 'big'])}#,2) breaks the contract (Subject,N) -> binary() when Subject :: binary(), N :: non_neg_integer() diff --git a/lib/dialyzer/test/small_SUITE_data/results/record_creation_diffs b/lib/dialyzer/test/small_SUITE_data/results/record_creation_diffs index f00c4b10ff..c971935bbf 100644 --- a/lib/dialyzer/test/small_SUITE_data/results/record_creation_diffs +++ b/lib/dialyzer/test/small_SUITE_data/results/record_creation_diffs @@ -1,3 +1,3 @@ record_creation_diffs.erl:10: Function foo/1 has no local return -record_creation_diffs.erl:11: Record construction #bar{some_list::{'this','is','a','tuple'}} violates the declared type of field some_list::'undefined' | [any()] +record_creation_diffs.erl:11: Record construction #bar{some_list::{'this','is','a','tuple'}} violates the declared type of field some_list::[any()] diff --git a/lib/dialyzer/test/small_SUITE_data/results/record_pat b/lib/dialyzer/test/small_SUITE_data/results/record_pat index a46be6c451..8317ea041a 100644 --- a/lib/dialyzer/test/small_SUITE_data/results/record_pat +++ b/lib/dialyzer/test/small_SUITE_data/results/record_pat @@ -1,2 +1,2 @@ -record_pat.erl:14: Matching of pattern {'foo', 'baz'} tagged with a record name violates the declared type of #foo{bar::'undefined' | integer()} +record_pat.erl:14: Matching of pattern {'foo', 'baz'} tagged with a record name violates the declared type of #foo{bar::integer()} diff --git a/lib/dialyzer/test/small_SUITE_data/results/relevant_record_warning b/lib/dialyzer/test/small_SUITE_data/results/relevant_record_warning index 2e417e1b2a..ea3ac92d96 100644 --- a/lib/dialyzer/test/small_SUITE_data/results/relevant_record_warning +++ b/lib/dialyzer/test/small_SUITE_data/results/relevant_record_warning @@ -1,3 +1,3 @@ relevant_record_warning.erl:22: Function test/1 has no local return -relevant_record_warning.erl:23: Record construction #r{field::<<_:8>>} violates the declared type of field field::'binary' | 'undefined' +relevant_record_warning.erl:23: Record construction #r{field::<<_:8>>} violates the declared type of field field::'binary' diff --git a/lib/dialyzer/test/small_SUITE_data/results/undefined b/lib/dialyzer/test/small_SUITE_data/results/undefined new file mode 100644 index 0000000000..9daa8640d3 --- /dev/null +++ b/lib/dialyzer/test/small_SUITE_data/results/undefined @@ -0,0 +1,2 @@ + +r.erl:16: Record construction #r{a::{'fi'},b::{'a','b'},c::[],d::'undefined',e::[],f::'undefined'} violates the declared type of field b::[any()] and d::[any()] and f::[any()] diff --git a/lib/dialyzer/test/small_SUITE_data/src/abs.erl b/lib/dialyzer/test/small_SUITE_data/src/abs.erl new file mode 100644 index 0000000000..251e24cdfc --- /dev/null +++ b/lib/dialyzer/test/small_SUITE_data/src/abs.erl @@ -0,0 +1,71 @@ +-module(abs). + +%% OTP-12948. erlang:abs/1 bug fix. + +-export([t/0]). + +t() -> + Fs = [fun i1/0, fun i2/0, fun i3/0, fun i4/0, fun f1/0], + _ = [catch F() || F <- Fs], + ok. + +i1() -> + A = int(), + I1 = i1(A), + true = I1 < 2, + true = I1 < 1. % can never match + +-spec i1(neg_integer()) -> non_neg_integer(). + +i1(A) when is_integer(A), A < 0 -> + abs(A). + +i2() -> + A = int(), + I2 = i2(A), + true = I2 < 1, + true = I2 < 0. % can never match + +-spec i2(non_neg_integer()) -> non_neg_integer(). + +i2(A) when is_integer(A), A >= 0 -> + abs(A). + +i3() -> + A = int(), + I3 = i3(A), + true = I3 < -1, + true = I3 < 0. % can never match + +-spec i3(integer()) -> non_neg_integer(). + +i3(A) when is_integer(A) -> + abs(A). + +i4() -> + A = int(), + I4 = i4(A), + true = I4 =:= 0 orelse I4 =:= 1, + true = I4 < 0 orelse I4 > 1. % can never match + +-spec i4(integer()) -> number(). + +i4(A) when A =:= -1; A =:= 0; A =:= 1 -> + abs(A). + +f1() -> + F1 = f1(float()), + math:sqrt(F1). + +f1(A) -> + abs(A). + +-spec int() -> integer(). + +int() -> + foo:bar(). + +-spec float() -> float(). + +float() -> + math:sqrt(1.0). diff --git a/lib/dialyzer/test/small_SUITE_data/src/bif1/bif1.erl b/lib/dialyzer/test/small_SUITE_data/src/bif1/bif1.erl new file mode 100644 index 0000000000..bc746538d3 --- /dev/null +++ b/lib/dialyzer/test/small_SUITE_data/src/bif1/bif1.erl @@ -0,0 +1,16 @@ +-module(bif1). + +%% Other set of warnings due to removed of functions from +%% erl_bif_types. + +-export([ets_rename/0, string_chars/0]). + +ets_rename() -> + A = ets:new(fipp, []), + true = not is_atom(A), + ets:rename(A, fopp). % No warning + +string_chars() -> + L2 = bif1_adt:opaque_string(), + S = $A, + string:chars(S, 10, L2). % Warning diff --git a/lib/dialyzer/test/small_SUITE_data/src/bif1/bif1_adt.erl b/lib/dialyzer/test/small_SUITE_data/src/bif1/bif1_adt.erl new file mode 100644 index 0000000000..01b0bccc68 --- /dev/null +++ b/lib/dialyzer/test/small_SUITE_data/src/bif1/bif1_adt.erl @@ -0,0 +1,12 @@ +-module(bif1_adt). + +-export([opaque_string/0]). + +-export_type([s/0]). + +-opaque s() :: string(). + +-spec opaque_string() -> s(). + +opaque_string() -> + "string". diff --git a/lib/dialyzer/test/small_SUITE_data/src/big_external_type.erl b/lib/dialyzer/test/small_SUITE_data/src/big_external_type.erl index ab84e94106..9ad4810a5e 100644 --- a/lib/dialyzer/test/small_SUITE_data/src/big_external_type.erl +++ b/lib/dialyzer/test/small_SUITE_data/src/big_external_type.erl @@ -36,7 +36,7 @@ %% Start of Abstract Format --type line() :: erl_scan:line(). +-type line() :: erl_anno:line(). -export_type([af_record_index/0, af_record_field/1, af_record_name/0, af_field_name/0, af_function_decl/0]). @@ -332,8 +332,8 @@ %% End of Abstract Format -type error_description() :: term(). --type error_info() :: {erl_scan:line(), module(), error_description()}. --type token() :: {Tag :: atom(), Line :: erl_scan:line()}. +-type error_info() :: {erl_anno:line(), module(), error_description()}. +-type token() :: {Tag :: atom(), Line :: erl_scan:anno()}. %% mkop(Op, Arg) -> {op,Line,Op,Arg}. %% mkop(Left, Op, Right) -> {op,Line,Op,Left,Right}. diff --git a/lib/dialyzer/test/small_SUITE_data/src/big_local_type.erl b/lib/dialyzer/test/small_SUITE_data/src/big_local_type.erl index fc7c5241a8..fe567ff10d 100644 --- a/lib/dialyzer/test/small_SUITE_data/src/big_local_type.erl +++ b/lib/dialyzer/test/small_SUITE_data/src/big_local_type.erl @@ -36,7 +36,7 @@ %% Start of Abstract Format --type line() :: erl_scan:line(). +-type line() :: erl_anno:line(). -export_type([af_module/0, af_export/0, af_import/0, af_fa_list/0, af_compile/0, af_file/0, af_record_decl/0, @@ -329,8 +329,8 @@ %% End of Abstract Format -type error_description() :: term(). --type error_info() :: {erl_scan:line(), module(), error_description()}. --type token() :: {Tag :: atom(), Line :: erl_scan:line()}. +-type error_info() :: {erl_anno:line(), module(), error_description()}. +-type token() :: {Tag :: atom(), Line :: erl_anno:line()}. %% mkop(Op, Arg) -> {op,Line,Op,Arg}. %% mkop(Left, Op, Right) -> {op,Line,Op,Left,Right}. diff --git a/lib/dialyzer/test/small_SUITE_data/src/comparisons.erl b/lib/dialyzer/test/small_SUITE_data/src/comparisons.erl index 70e3cb6af4..64927c6c91 100644 --- a/lib/dialyzer/test/small_SUITE_data/src/comparisons.erl +++ b/lib/dialyzer/test/small_SUITE_data/src/comparisons.erl @@ -19,12 +19,20 @@ tuple(X) when is_tuple(X) -> X. list() -> list(?r). list(X) when is_list(X) -> X. +map() -> map(?r). +map(X) when is_map(X) -> #{}. + +bitstring() -> bitstring(?r). +bitstring(X) when is_bitstring(X) -> <<0:63>>. + i() -> integer(). f() -> mfloat(). n() -> case ?r of 1 -> i(); 2 -> f() end. a() -> atom(). t() -> tuple(). l() -> list(). +m() -> map(). +b() -> bitstring(). na() -> case ?r of 1 -> n(); 2 -> a() end. at() -> case ?r of 1 -> t(); 2 -> a() end. tl() -> case ?r of 1 -> t(); 2 -> l() end. @@ -53,6 +61,14 @@ test_i_ll_l() -> case i() < l() of true -> always; false -> never end. test_i_le_l() -> case i() =< l() of true -> always; false -> never end. test_i_gg_l() -> case i() > l() of true -> never; false -> always end. test_i_ge_l() -> case i() >= l() of true -> never; false -> always end. +test_i_ll_m() -> case i() < m() of true -> always; false -> never end. +test_i_le_m() -> case i() =< m() of true -> always; false -> never end. +test_i_gg_m() -> case i() > m() of true -> never; false -> always end. +test_i_ge_m() -> case i() >= m() of true -> never; false -> always end. +test_i_ll_b() -> case i() < b() of true -> always; false -> never end. +test_i_le_b() -> case i() =< b() of true -> always; false -> never end. +test_i_gg_b() -> case i() > b() of true -> never; false -> always end. +test_i_ge_b() -> case i() >= b() of true -> never; false -> always end. test_f_ll_i() -> case f() < i() of true -> maybe; false -> maybe_too end. test_f_le_i() -> case f() =< i() of true -> maybe; false -> maybe_too end. @@ -78,6 +94,14 @@ test_f_ll_l() -> case f() < l() of true -> always; false -> never end. test_f_le_l() -> case f() =< l() of true -> always; false -> never end. test_f_gg_l() -> case f() > l() of true -> never; false -> always end. test_f_ge_l() -> case f() >= l() of true -> never; false -> always end. +test_f_ll_m() -> case f() < m() of true -> always; false -> never end. +test_f_le_m() -> case f() =< m() of true -> always; false -> never end. +test_f_gg_m() -> case f() > m() of true -> never; false -> always end. +test_f_ge_m() -> case f() >= m() of true -> never; false -> always end. +test_f_ll_b() -> case f() < b() of true -> always; false -> never end. +test_f_le_b() -> case f() =< b() of true -> always; false -> never end. +test_f_gg_b() -> case f() > b() of true -> never; false -> always end. +test_f_ge_b() -> case f() >= b() of true -> never; false -> always end. test_n_ll_i() -> case n() < i() of true -> maybe; false -> maybe_too end. test_n_le_i() -> case n() =< i() of true -> maybe; false -> maybe_too end. @@ -103,6 +127,14 @@ test_n_ll_l() -> case n() < l() of true -> always; false -> never end. test_n_le_l() -> case n() =< l() of true -> always; false -> never end. test_n_gg_l() -> case n() > l() of true -> never; false -> always end. test_n_ge_l() -> case n() >= l() of true -> never; false -> always end. +test_n_ll_m() -> case n() < m() of true -> always; false -> never end. +test_n_le_m() -> case n() =< m() of true -> always; false -> never end. +test_n_gg_m() -> case n() > m() of true -> never; false -> always end. +test_n_ge_m() -> case n() >= m() of true -> never; false -> always end. +test_n_ll_b() -> case n() < b() of true -> always; false -> never end. +test_n_le_b() -> case n() =< b() of true -> always; false -> never end. +test_n_gg_b() -> case n() > b() of true -> never; false -> always end. +test_n_ge_b() -> case n() >= b() of true -> never; false -> always end. test_a_ll_i() -> case a() < i() of true -> never; false -> always end. test_a_le_i() -> case a() =< i() of true -> never; false -> always end. @@ -128,6 +160,14 @@ test_a_ll_l() -> case a() < l() of true -> always; false -> never end. test_a_le_l() -> case a() =< l() of true -> always; false -> never end. test_a_gg_l() -> case a() > l() of true -> never; false -> always end. test_a_ge_l() -> case a() >= l() of true -> never; false -> always end. +test_a_ll_m() -> case a() < m() of true -> always; false -> never end. +test_a_le_m() -> case a() =< m() of true -> always; false -> never end. +test_a_gg_m() -> case a() > m() of true -> never; false -> always end. +test_a_ge_m() -> case a() >= m() of true -> never; false -> always end. +test_a_ll_b() -> case a() < b() of true -> always; false -> never end. +test_a_le_b() -> case a() =< b() of true -> always; false -> never end. +test_a_gg_b() -> case a() > b() of true -> never; false -> always end. +test_a_ge_b() -> case a() >= b() of true -> never; false -> always end. test_t_ll_i() -> case t() < i() of true -> never; false -> always end. test_t_le_i() -> case t() =< i() of true -> never; false -> always end. @@ -153,6 +193,14 @@ test_t_ll_l() -> case t() < l() of true -> always; false -> never end. test_t_le_l() -> case t() =< l() of true -> always; false -> never end. test_t_gg_l() -> case t() > l() of true -> never; false -> always end. test_t_ge_l() -> case t() >= l() of true -> never; false -> always end. +test_t_ll_m() -> case t() < m() of true -> always; false -> never end. +test_t_le_m() -> case t() =< m() of true -> always; false -> never end. +test_t_gg_m() -> case t() > m() of true -> never; false -> always end. +test_t_ge_m() -> case t() >= m() of true -> never; false -> always end. +test_t_ll_b() -> case t() < b() of true -> always; false -> never end. +test_t_le_b() -> case t() =< b() of true -> always; false -> never end. +test_t_gg_b() -> case t() > b() of true -> never; false -> always end. +test_t_ge_b() -> case t() >= b() of true -> never; false -> always end. test_l_ll_i() -> case l() < i() of true -> never; false -> always end. test_l_le_i() -> case l() =< i() of true -> never; false -> always end. @@ -178,6 +226,14 @@ test_l_ll_l() -> case l() < l() of true -> maybe; false -> maybe_too end. test_l_le_l() -> case l() =< l() of true -> maybe; false -> maybe_too end. test_l_gg_l() -> case l() > l() of true -> maybe; false -> maybe_too end. test_l_ge_l() -> case l() >= l() of true -> maybe; false -> maybe_too end. +test_l_ll_m() -> case l() < m() of true -> never; false -> always end. +test_l_le_m() -> case l() =< m() of true -> never; false -> always end. +test_l_gg_m() -> case l() > m() of true -> always; false -> never end. +test_l_ge_m() -> case l() >= m() of true -> always; false -> never end. +test_l_ll_b() -> case l() < b() of true -> always; false -> never end. +test_l_le_b() -> case l() =< b() of true -> always; false -> never end. +test_l_gg_b() -> case l() > b() of true -> never; false -> always end. +test_l_ge_b() -> case l() >= b() of true -> never; false -> always end. test_n_ll_na() -> case n() < na() of true -> maybe; false -> maybe_too end. test_n_le_na() -> case n() =< na() of true -> maybe; false -> maybe_too end. diff --git a/lib/dialyzer/test/small_SUITE_data/src/fun_arity.erl b/lib/dialyzer/test/small_SUITE_data/src/fun_arity.erl new file mode 100644 index 0000000000..850d2fd331 --- /dev/null +++ b/lib/dialyzer/test/small_SUITE_data/src/fun_arity.erl @@ -0,0 +1,127 @@ +%%-------------------------------------------------------------------------- +%% Module which contains calls to funs of different arity. +%%-------------------------------------------------------------------------- +-module(fun_arity). + +-export([f_0_ok/0, f_0_ko/0]). +-export([f_1_ok/0, f_1_ko/0]). + +-export([fa_0_ok/0, fa_0_ko/0]). +-export([fa_1_ok/0, fa_1_ko/0]). + +-export([mfa_0_ok/0, mfa_0_ko/0, mf/0]). +-export([mfa_1_ok/0, mfa_1_ko/0, mf/1]). + +-export([mfa_ne_0_ok/0, mfa_ne_0_ko/0]). +-export([mfa_ne_1_ok/0, mfa_ne_1_ko/0]). + +-export([mfa_nd_0_ok/0, mfa_nd_0_ko/0]). +-export([mfa_nd_1_ok/0, mfa_nd_1_ko/0]). + +-export(['Mfa_0_ok'/1, 'Mfa_0_ko'/1]). +-export(['Mfa_1_ok'/1, 'Mfa_1_ko'/1]). + +-export(['mFa_0_ok'/1, 'mFa_0_ko'/1]). +-export(['mFa_1_ok'/1, 'mFa_1_ko'/1]). + +-export(['MFa_0_ok'/2, 'MFa_0_ko'/2]). +-export(['MFa_1_ok'/2, 'MFa_1_ko'/2]). + +%%-------------------------------------------------------------------------- + +%% Funs like "fun(...) -> ... end". + +f_0_ok() -> (fun_f_0())(). +f_0_ko() -> (fun_f_0())(1). +fun_f_0() -> fun() -> ok end. + +f_1_ok() -> (fun_f_1())(1). +f_1_ko() -> (fun_f_1())(). +fun_f_1() -> fun(_) -> ok end . + +%%-------------------------------------------------------------------------- + +%% Funs like "fun F/A" when F is literal atom and A is literal +%% non-negative integer. + +fa_0_ok() -> (fun_fa_0())(). +fa_0_ko() -> (fun_fa_0())(1). +fun_fa_0() -> fun f/0. +f() -> ok. + +fa_1_ok() -> (fun_fa_1())(1). +fa_1_ko() -> (fun_fa_1())(). +fun_fa_1() -> fun f/1. +f(_) -> ok. + +%%-------------------------------------------------------------------------- + +%% Funs like "fun M:F/A" when M and F are literal atoms, A is literal +%% non-negative integer and function is (defined and) exported. + +mfa_0_ok() -> (fun_mfa_0())(). +mfa_0_ko() -> (fun_mfa_0())(1). +fun_mfa_0() -> fun ?MODULE:mf/0. +mf() -> ok. + +mfa_1_ok() -> (fun_mfa_1())(1). +mfa_1_ko() -> (fun_mfa_1())(). +fun_mfa_1() -> fun ?MODULE:mf/1. +mf(_) -> ok. + +%% Funs like "fun M:F/A" when M and F are literal atoms, A is literal +%% non-negative integer and function is defined but not exported. + +mfa_ne_0_ok() -> (fun_mfa_ne_0())(). +mfa_ne_0_ko() -> (fun_mfa_ne_0())(1). +fun_mfa_ne_0() -> fun ?MODULE:mf_ne/0. +mf_ne() -> ok. + +mfa_ne_1_ok() -> (fun_mfa_ne_1())(1). +mfa_ne_1_ko() -> (fun_mfa_ne_1())(). +fun_mfa_ne_1() -> fun ?MODULE:mf_ne/1. +mf_ne(_) -> ok. + +%% Funs like "fun M:F/A" when M and F are literal atoms, A is literal +%% non-negative integer and function is not defined. + +mfa_nd_0_ok() -> (fun_mfa_nd_0())(). +mfa_nd_0_ko() -> (fun_mfa_nd_0())(1). +fun_mfa_nd_0() -> fun ?MODULE:mf_nd/0. + +mfa_nd_1_ok() -> (fun_mfa_nd_1())(1). +mfa_nd_1_ko() -> (fun_mfa_nd_1())(). +fun_mfa_nd_1() -> fun ?MODULE:mf_nd/1. + +%% Funs like "fun M:F/A" when M is variable, F is literal atoms and A +%% is literal non-negative integer. + +'Mfa_0_ok'(M) -> ('fun_Mfa_0'(M))(). +'Mfa_0_ko'(M) -> ('fun_Mfa_0'(M))(1). +'fun_Mfa_0'(M) -> fun M:f/0. + +'Mfa_1_ok'(M) -> ('fun_Mfa_1'(M))(1). +'Mfa_1_ko'(M) -> ('fun_Mfa_1'(M))(). +'fun_Mfa_1'(M) -> fun M:f/1. + +%% Funs like "fun M:F/A" when M is literal atom, F is variable and A +%% is literal non-negative integer. + +'mFa_0_ok'(F) -> ('fun_mFa_0'(F))(). +'mFa_0_ko'(F) -> ('fun_mFa_0'(F))(1). +'fun_mFa_0'(F) -> fun ?MODULE:F/0. + +'mFa_1_ok'(F) -> ('fun_mFa_1'(F))(1). +'mFa_1_ko'(F) -> ('fun_mFa_1'(F))(). +'fun_mFa_1'(F) -> fun ?MODULE:F/1. + +%% Funs like "fun M:F/A" when M and F are variables and A is literal +%% non-negative integer. + +'MFa_0_ok'(M, F) -> ('fun_MFa_0'(M, F))(). +'MFa_0_ko'(M, F) -> ('fun_MFa_0'(M, F))(1). +'fun_MFa_0'(M, F) -> fun M:F/0. + +'MFa_1_ok'(M, F) -> ('fun_MFa_1'(M, F))(1). +'MFa_1_ko'(M, F) -> ('fun_MFa_1'(M, F))(). +'fun_MFa_1'(M, F) -> fun M:F/1. diff --git a/lib/dialyzer/test/small_SUITE_data/src/higher_order_discrepancy.erl b/lib/dialyzer/test/small_SUITE_data/src/higher_order_discrepancy.erl index ff5ee6bac4..f9547d4929 100644 --- a/lib/dialyzer/test/small_SUITE_data/src/higher_order_discrepancy.erl +++ b/lib/dialyzer/test/small_SUITE_data/src/higher_order_discrepancy.erl @@ -1,3 +1,8 @@ +%% With the patch introduced to avoid false warnings in +%% user_SUITE_data/src/wpc_hlines.erl we can unfortunately no longer precisely +%% catch problems like this one... The refinement procedure is still enough to +%% keep some of the details, nevertheless. + -module(higher_order_discrepancy). -export([test/1]). diff --git a/lib/dialyzer/test/small_SUITE_data/src/keydel.erl b/lib/dialyzer/test/small_SUITE_data/src/keydel.erl new file mode 100644 index 0000000000..18a5c0670c --- /dev/null +++ b/lib/dialyzer/test/small_SUITE_data/src/keydel.erl @@ -0,0 +1,29 @@ +-module(keydel). + +-export([store/3]). + +-record(att, {f}). + +-type attachment() :: list(). + +-opaque att() :: #att{} | attachment(). + +-spec store(atom(), any(), att()) -> att(). +store(Field, undefined, Att) when is_list(Att) -> + lists:keydelete(Field, 1, Att); +store(Field, Value, Att) when is_list(Att) -> + lists:keystore(Field, 1, Att, {Field, Value}); +store(Field, Value, Att) -> + store(Field, Value, upgrade(Att)). + + +-spec upgrade(#att{}) -> attachment(). +upgrade(#att{} = Att) -> + Map = lists:zip( + record_info(fields, att), + lists:seq(2, record_info(size, att)) + ), + %% Don't store undefined elements since that is default + [{F, element(I, Att)} || {F, I} <- Map, element(I, Att) /= undefined]; +upgrade(Att) -> + Att. diff --git a/lib/dialyzer/test/small_SUITE_data/src/literals.erl b/lib/dialyzer/test/small_SUITE_data/src/literals.erl index abd7033712..354a0f4cdc 100644 --- a/lib/dialyzer/test/small_SUITE_data/src/literals.erl +++ b/lib/dialyzer/test/small_SUITE_data/src/literals.erl @@ -2,7 +2,7 @@ %% Bad records inside structures used to be ignored. The reason: %% v3_core:unfold() does not annotate the parts of a literal. -%% This example does not work perfectly yet, in particular Maps. +%% This example does not work perfectly yet. -export([t1/0, t2/0, t3/0, t4/0, m1/1, m2/1, m3/1, m4/1]). @@ -18,7 +18,7 @@ t3() -> {#r{id = a}}. % violation t4() -> - #{a => #r{id = a}}. % violation found, but t4() returns... (bug) + #{a => #r{id = a}}. % violation m1(#r{id = a}) -> % violation ok. @@ -29,5 +29,5 @@ m2([#r{id = a}]) -> % violation m3({#r{id = a}}) -> % can never match; not so good ok. -m4(#{a := #r{id = a}}) -> % violation not found +m4(#{a := #r{id = a}}) -> % violation ok. diff --git a/lib/dialyzer/test/small_SUITE_data/src/loopy.erl b/lib/dialyzer/test/small_SUITE_data/src/loopy.erl new file mode 100644 index 0000000000..28125ec3d9 --- /dev/null +++ b/lib/dialyzer/test/small_SUITE_data/src/loopy.erl @@ -0,0 +1,17 @@ +%% ERL-157, OTP-13653. +%% Would cause Dialyzer to go into an infinite loop. + +-module(loopy). + +-export([loop/1]). + + +-spec loop(Args) -> ok when + Args :: [{Module, Args}], + Module :: module(), + Args :: any(). +loop([{Module, Args} | Rest]) -> + Module:init(Args), + loop(Rest); +loop([]) -> + ok. diff --git a/lib/dialyzer/test/small_SUITE_data/src/maps1.erl b/lib/dialyzer/test/small_SUITE_data/src/maps1.erl index 06ced5b69e..597358d16a 100644 --- a/lib/dialyzer/test/small_SUITE_data/src/maps1.erl +++ b/lib/dialyzer/test/small_SUITE_data/src/maps1.erl @@ -21,7 +21,7 @@ recv(Packet, Fun, Chan) -> #{id := Can_id, data := Can_data} = P = decode(Packet), Fun(P). --spec decode(<<_:64,_:_*8>>) -> #{id => <<_:11>>,timestamp => char()}. +-spec decode(<<_:64,_:_*8>>) -> #{id => <<_:11>>,timestamp => char(),_ => _}. decode(<<_:12, Len:4, Timestamp:16, 0:3, Id:11/bitstring, 0:18, Data:Len/binary, _/binary>>) -> #{id => Id, data => Data, timestamp => Timestamp}. @@ -39,3 +39,15 @@ t2() -> ok. update(#{ id := Id, val := Val } = M, X) when is_integer(Id) -> M#{ val := [Val,X] }. + +t3() -> + foo(#{greger => 3, #{arne=>anka} => 45}, 1). + +foo(#{} = M, b) -> %% Error + M#{alfa => 42, beta := 1337}. + +t4() -> + case #{} of + #{} -> ok; + Mod -> Mod:function(#{literal => map}, another_arg) %% Error + end. diff --git a/lib/dialyzer/test/small_SUITE_data/src/maps_redef.erl b/lib/dialyzer/test/small_SUITE_data/src/maps_redef.erl deleted file mode 100644 index 70059f73b6..0000000000 --- a/lib/dialyzer/test/small_SUITE_data/src/maps_redef.erl +++ /dev/null @@ -1,12 +0,0 @@ --module(maps_redef). - --export([t/0]). - -%% OK in Erlang/OTP 17, at least. - --type map() :: atom(). % redefine built-in type - --spec t() -> map(). - -t() -> - a. % OK diff --git a/lib/dialyzer/test/small_SUITE_data/src/ms.erl b/lib/dialyzer/test/small_SUITE_data/src/ms.erl new file mode 100644 index 0000000000..47a5e886cf --- /dev/null +++ b/lib/dialyzer/test/small_SUITE_data/src/ms.erl @@ -0,0 +1,8 @@ +-module(ms). +-export([t/0]). + +-include_lib("stdlib/include/ms_transform.hrl"). + +t() -> + MS = dbg:fun2ms(fun(All) -> message(All) end), + erlang:trace_pattern({m, f, '_'}, MS). diff --git a/lib/dialyzer/test/small_SUITE_data/src/trec.erl b/lib/dialyzer/test/small_SUITE_data/src/trec.erl index 06706162c1..516358f7c6 100644 --- a/lib/dialyzer/test/small_SUITE_data/src/trec.erl +++ b/lib/dialyzer/test/small_SUITE_data/src/trec.erl @@ -8,7 +8,7 @@ -module(trec). -export([test/0, mk_foo_exp/2]). --record(foo, {a :: integer(), b :: [atom()]}). +-record(foo, {a :: integer() | 'undefined', b :: [atom()]}). %% %% For these functions we currently get the following warnings: diff --git a/lib/dialyzer/test/small_SUITE_data/undefined.erl b/lib/dialyzer/test/small_SUITE_data/undefined.erl new file mode 100644 index 0000000000..8549f2e161 --- /dev/null +++ b/lib/dialyzer/test/small_SUITE_data/undefined.erl @@ -0,0 +1,29 @@ +-module(undefined). + +-export([t/0]). + +%% As of OTP 19.0 'undefined' is no longer added to fields with a type +%% declaration but without an initializer. The pretty printing of +%% records (erl_types:t_to_string()) is updated to reflect this: if a +%% field is of type 'undefined', it is output if 'undefined' is not in +%% the declared type of the field. (It used to be the case that the +%% singleton type 'undefined' was never output.) +%% +%% One consequence is shown by the example below: the warning about +%% the record construction violating the the declared type shows +%% #r{..., d::'undefined', ...} which is meant to be of help to the +%% user, who could otherwise get confused the first time (s)he gets +%% confronted by the warning. + +-record(r, + { + a = {fi}, + b = {a,b} :: list(), % violation + c = {a,b} :: list(), + d :: list(), % violation + e = [] :: list(), + f = undefined :: list() % violation + }). + +t() -> + #r{c = []}. |