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bmk/inets/ftp/missing_spec_causes_dialyxer_problems/OTP-9114
Also fixed a bunch of "end-years" (was 2010 but should have been 2011,
which the commit hook not happy with).
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* sa/dialyzer-missing-spec:
Add spec to dialyzer_cl_parse:get_lib_dir/1
OTP-9129
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Applies to the specification of the return value of a function.
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* aronisstav/dialyzer/dialyzer_tests/OTP-9116:
Increase timetrap of options1 suite
Write output_plt even when plt_check is ok
Create plt with erts, kernel and stdlib only
Update test results as they currently appear in dev
Major restructure of dialyzer's testsuite
Add 'apps' option to the erlang interface
Update spec file to work with new common test structure
Test suites for Dialyzer
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* sa/dialyzer-fix-guards:
Fix warnings about guards containing not
Fix errors in the handling of 'and'/'or' guards
Cosmetic changes
OTP-9099
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Generation of the PLT is now performed without using OS commands.
We still try to copy in the default plt to make small scale testing
efficient. If generation/checking fails, suites are skipped except
plt_tests_SUITE which contains a bare PLT check that fails normally.
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This is a transcription of most of the cvs.srv.it.uu.se:/hipe repository
dialyzer_tests into test suites that use the test server framework.
See README for information on how to use the included scripts for
modifications and updates.
When testing Dialyzer it's important that several OTP modules
are included in the plt. The suites takes care of that too.
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This change adds a --fullpath option to Dialyzer, which makes the
warning messages contain the full path of the corresponding file.
Original patch submitted by Magnus Henoch (legoscia) on 15/9/2010
and cooked to death in the 'pu' branch all this time.
The patch was essentially correct and most of it has been used as
is, but there have been some changes to make the code slightly
prettier, avoid some code duplication, and add documentation to
dialyzer's doc files and to its help message.
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The wording of warnings about unsatisfiable guards that used
'not' was incorrect (the 'not' was not mentioned and it appeared
as "Guard test is_atom(atom()) can never succeed").
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Apart from the obvious bug in the negative evaluation of an 'and'
guard, Dialyzer handled dont_know cases rather single-mindedly
towards the positive branch. This patch allows for negative results
as well and does some clever guesses to narrow them down. It was
constructed similarly to the handling of the 'not' guard.
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Dialyzer had a minor issue when the arguments of the built-in function
'or' had the fixed value 'false'.
This testcase should return no warnings:
-module(false_false).
-export([false_or/0]).
false_or() ->
false or false.
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This new feature is able to take multiple PLTs, merge them during the
start of the analysis, and work from there. This works provided that
the PLTs do not have a module with the same name appearing in more
than one PLT.
The PLTs are created in the usual way:
dialyzer --build_plt --output_plt PLT_1 FILES_TO_INCLUDE
...
dialyzer --build_plt --output_plt PLT_N FILES_TO_INCLUDE
and then can be used in either of the following ways:
dialyzer FILES_TO_ANALYZE --plts PLT_1 ... PLT_N
or:
dialyzer --plts PLT_1 ... PLT_N -- FILES_TO_ANALYZE
(Note the -- delimiter in the second case)
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* ks/dialyzer-fixes:
dialyzer: Speed up analysis of nested list comprehensions
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* ks/erl_types-fixes:
erl_types: Fix pretty rare crashes and an infinite loop
OTP-8942
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- Fixed pretty rare crash when taking the infimum of two tuple_sets
(initial fix by Kostis Sagonas but then a better fix was provided
by Stavros Aronis and this is the one adopted).
- Fixed pretty rare crash when using parameterized types containing unbound
variables (thanks to Nicolas Trangez for reporting it).
- Fixed pretty rare infinite loop when refining the types of an SCC whose
functions all returned none() (thanks to Stavros Aronis).
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Nested list comprehensions are translated into strongly connected
funs but dialyzer ignored this. This meant that self-recursive
analysis was normally executed for each fun and the whole fixpoint
took some time to calculate. This patch adds every fun found in
constraint generation to the SCC that is under analysis and then
solves the SCC as a whole.
Possible issues:
- The returned dict contains more entries than usual. This
triggered a bug in contract checking that is dealt with is
this patch as well (dialyzer_contracts.erl).
- As it's not easy to tell apart real fun SCCs from simple funs it
performance might be hampered in the simple funs case.
While doing these changes, also added and strengthened some specs.
In addition, incorporated a modified patch by Ahmed Omar that fixes
a bug in dialyzer_analysis_callgraph module that kept the files of
only one selected directory in dialyzer's GUI.
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-Wno_opaque, -Wrace_conditions and -Wbehaviours are only documented
in the Dialyzer command line help text. Add them to the documentation.
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* ks/fix-dialyzer_plt-spec:
Dialyzer: Fix erroneous type and use the same definition in two places
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Changes which fix some problems reported by dialyzer users:
1. The handling of nested opaque types
2. The handling of remote types in record expressions used as types
While at it, updated dialyzer's RELEASE_NOTES to reflect these fixes
and did some cleanups to dialyzer_utils.erl so that it gets in sync
with dialyzer's main development branch.
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Bumped version number and wrote RELEASE_NOTES.
Included all changes described in release notes.
Some spec-related changes to some files in lib/hipe/cerl.
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In commit 1858cb81391d2bce29b4b7620574ca60128cebf7, erl_expand_records
started to optimize is_record/2 in guards by replacing it with
pattern matching (if possible).
Unfortunately, dialyzer will no longer see the code before the
optimization, so any warnings produced in code such as:
case ExprNotProducingRecord#rec{} of
X when is_record(X, rec, N) -> ...
will refer to the optimized code and not the source code,
which is confusing for the user.
Introduce the no_is_record_optimization option for turning off
the optimization and use it in dialyzer.
Reported-by: Kostis Sagonas
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