aboutsummaryrefslogtreecommitdiffstats
path: root/lib/dialyzer
diff options
context:
space:
mode:
Diffstat (limited to 'lib/dialyzer')
-rw-r--r--lib/dialyzer/doc/manual.txt33
-rw-r--r--lib/dialyzer/doc/src/dialyzer.xml70
-rw-r--r--lib/dialyzer/src/dialyzer_plt.erl2
-rw-r--r--lib/dialyzer/src/dialyzer_succ_typings.erl25
-rw-r--r--lib/dialyzer/test/small_tests_SUITE.erl38
-rw-r--r--lib/dialyzer/test/small_tests_SUITE_data/results/invalid_specs3
-rw-r--r--lib/dialyzer/test/small_tests_SUITE_data/src/invalid_specs/invalid_spec1.erl28
-rw-r--r--lib/dialyzer/test/small_tests_SUITE_data/src/invalid_specs/invalid_spec2.erl11
8 files changed, 135 insertions, 75 deletions
diff --git a/lib/dialyzer/doc/manual.txt b/lib/dialyzer/doc/manual.txt
index 1d7a1a6222..d519ac960b 100644
--- a/lib/dialyzer/doc/manual.txt
+++ b/lib/dialyzer/doc/manual.txt
@@ -37,7 +37,7 @@ The parameters are:
The analysis starts from .beam bytecode files.
The files must be compiled with +debug_info.
- Source code:
- The analysis starts from .erl files.
+ The analysis starts from .erl files.
Controlling the discrepancies reported by the Dialyzer
======================================================
@@ -131,7 +131,7 @@ Usage: dialyzer [--help] [--version] [--shell] [--quiet] [--verbose]
[--check_plt] [--no_check_plt] [--plt_info] [--get_warnings]
[--no_native] [--fullpath]
-Options:
+Options:
files_or_dirs (for backwards compatibility also as: -c files_or_dirs)
Use Dialyzer from the command line to detect defects in the
specified files or directories containing .erl or .beam files,
@@ -169,7 +169,7 @@ Options:
--output_plt file
Store the plt at the specified file after building it.
--plt plt
- Use the specified plt as the initial plt (if the plt was built
+ Use the specified plt as the initial plt (if the plt was built
during setup the files will be checked for consistency).
--plts plt*
Merge the specified plts to create the initial plt -- requires
@@ -204,8 +204,8 @@ Options:
--add_to_plt
The plt is extended to also include the files specified with -c and -r.
Use --plt to specify which plt to start from, and --output_plt to
- specify where to put the plt. Note that the analysis might include
- files from the plt if they depend on the new files.
+ specify where to put the plt. Note that the analysis might include
+ files from the plt if they depend on the new files.
This option only works with beam files.
--remove_from_plt
The information from the files specified with -c and -r is removed
@@ -269,13 +269,13 @@ Warning options:
Include warnings about behaviour callbacks which drift from the published
recommended interfaces.
-Wunderspecs ***
- Warn about underspecified functions
+ Warn about underspecified functions
(those whose -spec is strictly more allowing than the success typing).
The following options are also available but their use is not recommended:
(they are mostly for Dialyzer developers and internal debugging)
-Woverspecs ***
- Warn about overspecified functions
+ Warn about overspecified functions
(those whose -spec is strictly less allowing than the success typing).
-Wspecdiffs ***
Warn when the -spec is different than the success typing.
@@ -306,8 +306,8 @@ dialyzer:run(OptList) -> Warnings
Warnings :: [{tag(), id(), msg()}]
tag() :: 'warn_return_no_exit' | 'warn_return_only_exit' | 'warn_not_called'
| 'warn_non_proper_list' | 'warn_fun_app' | 'warn_matching'
- | 'warn_failing_call' | 'warn_contract_types'
- | 'warn_contract_syntax' | 'warn_contract_not_equal'
+ | 'warn_failing_call' | 'warn_contract_types'
+ | 'warn_contract_syntax' | 'warn_contract_not_equal'
| 'warn_contract_subtype' | 'warn_contract_supertype'
id() :: {File :: string(), Line :: integer()}
msg() :: Undefined
@@ -319,24 +319,31 @@ Option :: {files, [Filename :: string()]}
| {from, src_code | byte_code} %% Defaults to byte_code
| {init_plt, FileName :: string()} %% If changed from default
| {plts, [FileName :: string()]} %% If changed from default
- | {include_dirs, [DirName :: string()]}
+ | {include_dirs, [DirName :: string()]}
| {output_file, FileName :: string()}
| {output_plt, FileName :: string()}
| {analysis_type, 'succ_typings' | 'plt_add' |
'plt_build' | 'plt_check' | 'plt_remove'}
| {warnings, [WarnOpts]}
+ | {get_warnings, bool()}
WarnOpts :: no_return
| no_unused
| no_improper_lists
| no_fun_app
| no_match
+ | no_opaque
| no_fail_call
- | unmatched_returns
| error_handling
+ | race_conditions
+ | behaviours
+ | unmatched_returns
+ | overspecs
+ | underspecs
+ | specdiffs
dialyzer:format_warning({tag(), id(), msg()}) -> string()
-
+
Returns a string representation of the warnings as returned by dialyzer:run/1.
dialyzer:plt_info(string()) -> {'ok', [{atom(), any()}]} | {'error', atom()}
@@ -392,7 +399,7 @@ files that depend on these files. Note that this consistency check
will be performed automatically the next time you run Dialyzer with
this plt. The --check_plt option is merely for doing so without doing
any other analysis.
-
+
-----------------------------------------------
--
-- Feedback & bug reports
diff --git a/lib/dialyzer/doc/src/dialyzer.xml b/lib/dialyzer/doc/src/dialyzer.xml
index b6547b11e1..4080dfdf77 100644
--- a/lib/dialyzer/doc/src/dialyzer.xml
+++ b/lib/dialyzer/doc/src/dialyzer.xml
@@ -241,7 +241,7 @@
<item>Include warnings about behaviour callbacks which drift from the
published recommended interfaces.</item>
<tag><c><![CDATA[-Wunderspecs]]></c>***</tag>
- <item>Warn about underspecified functions
+ <item>Warn about underspecified functions
(the -spec is strictly more allowing than the success typing).</item>
</taglist>
<p>The following options are also available but their use is not
@@ -249,7 +249,7 @@
debugging)</p>
<taglist>
<tag><c><![CDATA[-Woverspecs]]></c>***</tag>
- <item>Warn about overspecified functions
+ <item>Warn about overspecified functions
(the -spec is strictly less allowing than the success typing).</item>
<tag><c><![CDATA[-Wspecdiffs]]></c>***</tag>
<item>Warn when the -spec is different than the success typing.</item>
@@ -278,34 +278,34 @@
<desc>
<p>Dialyzer GUI version.</p>
<code type="none"><![CDATA[
-OptList : [Option]
-Option : {files, [Filename : string()]}
- | {files_rec, [DirName : string()]}
- | {defines, [{Macro: atom(), Value : term()}]}
- | {from, src_code | byte_code} %% Defaults to byte_code
- | {init_plt, FileName : string()} %% If changed from default
- | {plts, [FileName :: string()]} %% If changed from default
- | {include_dirs, [DirName : string()]}
- | {output_file, FileName : string()}
- | {output_plt, FileName :: string()}
- | {analysis_type, 'succ_typings' | 'plt_add' | 'plt_build' | 'plt_check' | 'plt_remove'}
- | {warnings, [WarnOpts]}
- | {get_warnings, bool()}
+OptList :: [Option]
+Option :: {files, [Filename :: string()]}
+ | {files_rec, [DirName :: string()]}
+ | {defines, [{Macro: atom(), Value : term()}]}
+ | {from, src_code | byte_code} %% Defaults to byte_code
+ | {init_plt, FileName :: string()} %% If changed from default
+ | {plts, [FileName :: string()]} %% If changed from default
+ | {include_dirs, [DirName :: string()]}
+ | {output_file, FileName :: string()}
+ | {output_plt, FileName :: string()}
+ | {analysis_type, 'succ_typings' | 'plt_add' | 'plt_build' | 'plt_check' | 'plt_remove'}
+ | {warnings, [WarnOpts]}
+ | {get_warnings, bool()}
-WarnOpts : no_return
- | no_unused
- | no_improper_lists
- | no_fun_app
- | no_match
- | no_opaque
- | no_fail_call
- | error_handling
- | race_conditions
- | behaviours
- | unmatched_returns
- | overspecs
- | underspecs
- | specdiffs
+WarnOpts :: no_return
+ | no_unused
+ | no_improper_lists
+ | no_fun_app
+ | no_match
+ | no_opaque
+ | no_fail_call
+ | error_handling
+ | race_conditions
+ | behaviours
+ | unmatched_returns
+ | overspecs
+ | underspecs
+ | specdiffs
]]></code>
</desc>
</func>
@@ -320,12 +320,12 @@ WarnOpts : no_return
<p>Dialyzer command line version.</p>
<code type="none"><![CDATA[
Warnings :: [{Tag, Id, Msg}]
-Tag : 'warn_return_no_exit' | 'warn_return_only_exit'
- | 'warn_not_called' | 'warn_non_proper_list'
- | 'warn_fun_app' | 'warn_matching'
- | 'warn_failing_call' | 'warn_contract_types'
- | 'warn_contract_syntax' | 'warn_contract_not_equal'
- | 'warn_contract_subtype' | 'warn_contract_supertype'
+Tag :: 'warn_return_no_exit' | 'warn_return_only_exit'
+ | 'warn_not_called' | 'warn_non_proper_list'
+ | 'warn_fun_app' | 'warn_matching'
+ | 'warn_failing_call' | 'warn_contract_types'
+ | 'warn_contract_syntax' | 'warn_contract_not_equal'
+ | 'warn_contract_subtype' | 'warn_contract_supertype'
Id = {File :: string(), Line :: integer()}
Msg = msg() -- Undefined
]]></code>
diff --git a/lib/dialyzer/src/dialyzer_plt.erl b/lib/dialyzer/src/dialyzer_plt.erl
index 8d62f2c529..6033d7f17c 100644
--- a/lib/dialyzer/src/dialyzer_plt.erl
+++ b/lib/dialyzer/src/dialyzer_plt.erl
@@ -317,7 +317,7 @@ merge_plts_or_report_conflicts(PltFiles, Plts) ->
Msg = io_lib:format("Could not merge PLTs since they are not disjoint\n"
"The following files are included in more than one "
"PLTs:\n~p\n", [ConfFiles]),
- error(Msg)
+ plt_error(Msg)
end.
find_duplicates(List) ->
diff --git a/lib/dialyzer/src/dialyzer_succ_typings.erl b/lib/dialyzer/src/dialyzer_succ_typings.erl
index 24d6013692..b8da57d3f9 100644
--- a/lib/dialyzer/src/dialyzer_succ_typings.erl
+++ b/lib/dialyzer/src/dialyzer_succ_typings.erl
@@ -155,19 +155,24 @@ postprocess_dataflow_warns(RawWarnings, State, WarnAcc) ->
postprocess_dataflow_warns([], _State, WAcc, Acc) ->
{WAcc, lists:reverse(Acc)};
-postprocess_dataflow_warns([{?WARN_CONTRACT_RANGE, {File, CallL}, Msg}|Rest],
+postprocess_dataflow_warns([{?WARN_CONTRACT_RANGE, {CallF, CallL}, Msg}|Rest],
#st{codeserver = Codeserver} = State, WAcc, Acc) ->
{contract_range, [Contract, M, F, A, ArgStrings, CRet]} = Msg,
- {ok, {{File, _ContrL} = FileLine, _C}} =
+ {ok, {{ContrF, _ContrL} = FileLine, _C}} =
dialyzer_codeserver:lookup_mfa_contract({M,F,A}, Codeserver),
- NewMsg =
- {contract_range, [Contract, M, F, ArgStrings, CallL, CRet]},
- W = {?WARN_CONTRACT_RANGE, FileLine, NewMsg},
- Filter =
- fun({?WARN_CONTRACT_TYPES, FL, _}) when FL =:= FileLine -> false;
- (_) -> true
- end,
- postprocess_dataflow_warns(Rest, State, lists:filter(Filter, WAcc), [W|Acc]);
+ case CallF =:= ContrF of
+ true ->
+ NewMsg = {contract_range, [Contract, M, F, ArgStrings, CallL, CRet]},
+ W = {?WARN_CONTRACT_RANGE, FileLine, NewMsg},
+ Filter =
+ fun({?WARN_CONTRACT_TYPES, FL, _}) when FL =:= FileLine -> false;
+ (_) -> true
+ end,
+ FilterWAcc = lists:filter(Filter, WAcc),
+ postprocess_dataflow_warns(Rest, State, FilterWAcc, [W|Acc]);
+ false ->
+ postprocess_dataflow_warns(Rest, State, WAcc, Acc)
+ end;
postprocess_dataflow_warns([W|Rest], State, Wacc, Acc) ->
postprocess_dataflow_warns(Rest, State, Wacc, [W|Acc]).
diff --git a/lib/dialyzer/test/small_tests_SUITE.erl b/lib/dialyzer/test/small_tests_SUITE.erl
index 21a2c76160..dbcc044eea 100644
--- a/lib/dialyzer/test/small_tests_SUITE.erl
+++ b/lib/dialyzer/test/small_tests_SUITE.erl
@@ -18,18 +18,18 @@
contract5/1, disj_norm_form/1, eqeq/1, ets_select/1,
exhaust_case/1, failing_guard1/1, flatten/1, fun_app/1,
fun_ref_match/1, fun_ref_record/1, gencall/1, gs_make/1,
- inf_loop2/1, letrec1/1, list_match/1, lzip/1, make_tuple/1,
- minus_minus/1, mod_info/1, my_filter/1, my_sofs/1, no_match/1,
- no_unused_fun/1, no_unused_fun2/1, non_existing/1,
- not_guard_crash/1, or_bug/1, orelsebug/1, orelsebug2/1,
- overloaded1/1, port_info_test/1, process_info_test/1, pubsub/1,
- receive1/1, record_construct/1, record_pat/1,
- record_send_test/1, record_test/1, recursive_types1/1,
- recursive_types2/1, recursive_types3/1, recursive_types4/1,
- recursive_types5/1, recursive_types6/1, recursive_types7/1,
- refine_bug1/1, toth/1, trec/1, try1/1, tuple1/1,
- unsafe_beamcode_bug/1, unused_cases/1, unused_clauses/1,
- zero_tuple/1]).
+ inf_loop2/1, invalid_specs/1, letrec1/1, list_match/1, lzip/1,
+ make_tuple/1, minus_minus/1, mod_info/1, my_filter/1,
+ my_sofs/1, no_match/1, no_unused_fun/1, no_unused_fun2/1,
+ non_existing/1, not_guard_crash/1, or_bug/1, orelsebug/1,
+ orelsebug2/1, overloaded1/1, port_info_test/1,
+ process_info_test/1, pubsub/1, receive1/1, record_construct/1,
+ record_pat/1, record_send_test/1, record_test/1,
+ recursive_types1/1, recursive_types2/1, recursive_types3/1,
+ recursive_types4/1, recursive_types5/1, recursive_types6/1,
+ recursive_types7/1, refine_bug1/1, toth/1, trec/1, try1/1,
+ tuple1/1, unsafe_beamcode_bug/1, unused_cases/1,
+ unused_clauses/1, zero_tuple/1]).
suite() ->
[{timetrap, {minutes, 1}}].
@@ -51,10 +51,10 @@ all() ->
atom_guard,atom_widen,bs_fail_constr,bs_utf8,cerl_hipeify,comm_layer,
compare1,confusing_warning,contract2,contract3,contract5,disj_norm_form,
eqeq,ets_select,exhaust_case,failing_guard1,flatten,fun_app,fun_ref_match,
- fun_ref_record,gencall,gs_make,inf_loop2,letrec1,list_match,lzip,
- make_tuple,minus_minus,mod_info,my_filter,my_sofs,no_match,no_unused_fun,
- no_unused_fun2,non_existing,not_guard_crash,or_bug,orelsebug,orelsebug2,
- overloaded1,port_info_test,process_info_test,pubsub,receive1,
+ fun_ref_record,gencall,gs_make,inf_loop2,invalid_specs,letrec1,list_match,
+ lzip,make_tuple,minus_minus,mod_info,my_filter,my_sofs,no_match,
+ no_unused_fun,no_unused_fun2,non_existing,not_guard_crash,or_bug,orelsebug,
+ orelsebug2,overloaded1,port_info_test,process_info_test,pubsub,receive1,
record_construct,record_pat,record_send_test,record_test,recursive_types1,
recursive_types2,recursive_types3,recursive_types4,recursive_types5,
recursive_types6,recursive_types7,refine_bug1,toth,trec,try1,tuple1,
@@ -235,6 +235,12 @@ inf_loop2(Config) ->
Error -> ct:fail(Error)
end.
+invalid_specs(Config) ->
+ case dialyze(Config, invalid_specs) of
+ 'same' -> 'same';
+ Error -> ct:fail(Error)
+ end.
+
letrec1(Config) ->
case dialyze(Config, letrec1) of
'same' -> 'same';
diff --git a/lib/dialyzer/test/small_tests_SUITE_data/results/invalid_specs b/lib/dialyzer/test/small_tests_SUITE_data/results/invalid_specs
new file mode 100644
index 0000000000..c95c0ff1f8
--- /dev/null
+++ b/lib/dialyzer/test/small_tests_SUITE_data/results/invalid_specs
@@ -0,0 +1,3 @@
+
+invalid_spec1.erl:5: Invalid type specification for function invalid_spec1:get_plan_dirty/1. The success typing is ([string()]) -> {maybe_improper_list(),[atom()]}
+invalid_spec2.erl:5: Function foo/0 has no local return
diff --git a/lib/dialyzer/test/small_tests_SUITE_data/src/invalid_specs/invalid_spec1.erl b/lib/dialyzer/test/small_tests_SUITE_data/src/invalid_specs/invalid_spec1.erl
new file mode 100644
index 0000000000..06ab2f9a22
--- /dev/null
+++ b/lib/dialyzer/test/small_tests_SUITE_data/src/invalid_specs/invalid_spec1.erl
@@ -0,0 +1,28 @@
+-module(invalid_spec1).
+
+-export([get_plan_dirty/1]).
+
+-spec get_plan_dirty([string()]) -> {{atom(), any()}, [atom()]}.
+
+get_plan_dirty(ClassL) ->
+ get_plan_dirty(ClassL, [], []).
+
+get_plan_dirty([], Res, FoundClassList) ->
+ {Res,FoundClassList};
+get_plan_dirty([Class|ClassL], Res, FoundClassList) ->
+ ClassPlan = list_to_atom(Class ++ "_plan"),
+ case catch mnesia:dirty_all_keys(ClassPlan) of
+ {'EXIT',_} ->
+ get_plan_dirty(ClassL, Res, FoundClassList);
+ [] ->
+ get_plan_dirty(ClassL, Res, FoundClassList);
+ KeyL ->
+ ClassAtom = list_to_atom(Class),
+ Res2 =
+ lists:foldl(fun(Key, Acc) ->
+ [{ClassAtom,Key}|Acc]
+ end,
+ Res,
+ KeyL),
+ get_plan_dirty(ClassL, Res2, [ClassAtom|FoundClassList])
+ end.
diff --git a/lib/dialyzer/test/small_tests_SUITE_data/src/invalid_specs/invalid_spec2.erl b/lib/dialyzer/test/small_tests_SUITE_data/src/invalid_specs/invalid_spec2.erl
new file mode 100644
index 0000000000..e49f73d014
--- /dev/null
+++ b/lib/dialyzer/test/small_tests_SUITE_data/src/invalid_specs/invalid_spec2.erl
@@ -0,0 +1,11 @@
+-module(invalid_spec2).
+
+-export([foo/0]).
+
+foo() ->
+ case
+ invalid_spec1:get_plan_dirty(mnesia:dirty_all_keys(cmClassInfo))
+ of
+ {[],[]} -> foo;
+ { _, _} -> bar
+ end.