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Dialyzer used to report unknown behaviours in the same way as unknown
functions and types. This functionality has been removed in d101155, but
some code remained.
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The -dialyzer() attribute can be used for suppressing warnings in a
module by specifying functions or warning options. It can also be used
for requesting warnings in a module.
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Fetch the compile options from beam files, and use them when creating
core from the abstract code. Previously the options were ignored.
Test by Henrik Nordh
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On SMPs, the time reports that Dialyzer produced when crashing were
inaccurate. Fix this by using wall_clock rather than runtime.
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* hb/dialyzer/fix_on_load/OTP-11743:
FIx handling of 'on_load' attribute
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[pull request from Kostis Sagonas]
The handling of functions appearing in an 'on_load' attribute was wrong.
Instead of considering the functions specified in these attributes as
escaping from the module and performing a full analysis starting from
them, the code just bypassed this analysis and only suppressed unused
warning messages for these functions. This worked for most of the cases
but resulted in functions (directly or indirectly) called by 'on_load'
functions being reported as not called by the module.
Such a case existed in the code of the 'crypto' application.
To solve these issues the initialization code for functions escaping
from the module was changed and the test for the on_load functionality
was appropriately extended.
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The types array(), dict(), digraph(), gb_set(), gb_tree(), queue(),
set(), and tid() have been deprecated. They will be removed in OTP 18.0.
Instead the types array:array(), dict:dict(), digraph:graph(),
gb_set:set(), gb_tree:tree(), queue:queue(), sets:set(), and ets:tid()
can be used. (Note: it has always been necessary to use ets:tid().)
It is allowed in OTP 17.0 to locally re-define the types array(), dict(),
and so on.
New types array:array/1, dict:dict/2, gb_sets:set/1, gb_trees:tree/2,
queue:queue/1, and sets:set/1 have been added.
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* sa/dialyzer-bitstring-fixes/OTP-11027:
Minor refactorings
Fix minor error in natively compiled module list
Fix notification for duplicate modules
Fix an error in the type inference of bitstring data
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Dialyzer fails when asked to analyze multiple modules with the same name, but
the error message was erroneous. With this patch Dialyzer generates a correct
error message.
Bug reported and patch submitted by Maxim Treskin.
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To reproduce, create an empty file "foo.erl" and run dialyzer on it.
Results without this patch:
$ dialyzer --src /tmp/foo.erl
Checking whether the PLT /Users/magnus/.dialyzer_r16_plt is up-to-date... yes
Proceeding with analysis...
dialyzer: Analysis failed with error:
Could not scan the following file(s): [{"/tmp/foo.erl",
["/tmp/foo.erl:1: no module definition\n"]}]
Last messages in the log cache:
Reading files and computing callgraph...
Results with this patch:
$ dialyzer --src /tmp/foo.erl
Checking whether the PLT /Users/magnus/.dialyzer_r16_plt is up-to-date... yes
Proceeding with analysis...
dialyzer: Analysis failed with error:
Could not scan the following file(s):
/tmp/foo.erl:1: no module definition
Last messages in the log cache:
Reading files and computing callgraph...
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This extension allowed minimal detection of race conditions that were passing
through behaviour API calls, but had no tests in any suite and also caused a
crash in R15B02.
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Dialyzer forgot to stop a server process before finishing its analysis.
This is a concurrency error detected by Concuerror.
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The original implementation of the type signature solver is called 'v1'
and the newly introduced alternative implementation is called 'v2'.
It is possible to run just the one of the solvers (in case there is a
bug in for instance the v2 implementation) or both solvers
("--solver v1 --solver v2"). In the latter case an error is thrown if
the outcome differ.
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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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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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* ks/hipe:
dialyzer: Fix system_limit exception in race analysis
syntax_tools: Add types and specs for most exported functions
syntax_tools: Support the --enable-native-libs configure option
syntax_tools: Remove $Id$ annotations
dialyzer: New version for the R13B04 release
hipe: Miscellaneous additions
typer: New version for the R13B04 release
Fix a HiPE compiler bug evaluating an expression that throws system_limit
OTP-8460 ks/hipe
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