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* sa/dialyzer-dev:
Add origin information to #fun_var closures
Suppress some warnings about generation of non-returning funs
Enhance Dialyzer's inference on comparisons
Fix infinite loop in dataflow
Minor fix in dead code
Update r9c/{inets,mnesia} results in dialyzer's test suite
OTP-9529
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This patch makes Dialyzer aware of Erlang's total ordering of terms,
enabling discrepancy detection in cases where e.g. integer() < tuple()
is treated as a comparison that might also return false (when it is
certain to always return true).
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This BIF's second parameter is a list of options.
Currently the only allowed option is {minor_version, Version}
where version is either 0 (default) or 1.
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Add erlang:check_old_code/1 to quickly check whether a module
has old code. If there is no old code, there is no need to call
erlang:check_process_code/2 for all processes, which will save
some time if there are many processes.
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An incorrect spec, rpc:yield/1, has been fixed.
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While at it:
1. Moved types in their proper place
2. Did minor cleanups and
3. Took out an unused function
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* ks/process_status:
Document exiting and garbage_collecting process statuses
OTP-9102
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After the addition of unicode_binary() to the file:filename() type,
dialyzer started complaining about erroneous or incomplete specs in some
functions of the 'code' module. The culprit was hard-coded information
in erl_bif_types for functions of this module, which were not updated.
Since these functions have proper specs these days and code duplication
(pun intended) is never a good idea, their type information was removed
from erl_bif_types.
While doing this, some erroneous comments were fixed in the code module
and also made sure that the code now runs without dialyzer warnings even
when the -Wunmatched_returns option is used.
Some cleanups were applied to erl_bif_types too.
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* bjorn/beam-loader/OTP-9030: (43 commits)
c: Reduce memory footprint
erl_posix_msg: Reduce memory footprint
Introduce a few more variations of the move instructions
Combine a move + jump sequence into the move_jump instruction
Optimize and clean-up the exact equality/non-equality instructions
Optimize addition of a small integer to a variable
Introduce a special instruction for select_val with two values
Introduce a few more specialized put_list instructions
Eliminate the "put_list c n Dst" instructions
Eliminate the specific move_sd instruction
Eliminate use of GetArg1() in the badmatch and case_end instructions
Eliminate use of GetArg2() in the i_element instruction
Eliminate use of GetArg1() in the fast_element instruction
Eliminate use of GetArg1() in the jump_on_val* instructions
Eliminate use of GetArg1() in the select_val instruction
beam_emu: Eliminate sloppy use of tmp_arg1 and tmp_arg2
beam_emu: Don't inline helper functions into process_main()
beam_emu: Clean up calling of the error_handler module
Simplify a select_val instruction that selects only one value
Optimize creation of tuples
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erts_debug:instructions/0 is useful for finding which specific
instructions that are not used at all.
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The options for the ets:new/2 call has changed recently. There are
read_concurrency hints as well as compressed tables. The hipe/dialyzer
did not take this into account. This patch corrects the problem by
going through the documentation and altering the type specification.
The error fixed is with the dialyzer. When constructing an ETS table
with, e.g., {read_concurrency, true}, the dialyzer will report that the
caller of ets:new/2 will not return.
; First, we update the documentation from the ets man page.
; Second, we reorder the type specification of keypos so they appear
in the same order as in the documentation.
; Finally, we add the missing read_concurrency and compressed Tweak
options.
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The introduction of filenames being unicode binaries revealed a problem
in the type analysis of the native code compiler which resulted in an
infinite loop when compiling the 'filename' module.
In addition, the hard-coded type information for the built-in functions
of the 're' module was out-of-date, which resulted in erroneous type
information for 'filelib' functions being stored in the PLT.
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* ks/erl_bif_types-cleanup/OTP-8961:
Fix type information of 'file' and 'code' modules
Conflicts:
lib/hipe/cerl/erl_bif_types.erl
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* pan/unicode-filenames/OTP-8887: (27 commits)
Test and correct filelib and filename
Add documentation to erlang.xml and slight correction to unicode_usage.xml
Add section about Unicode file names to stdlib users guide
Correct bug in file_name_SUITE making it fail on Unix instead of Windows7
Add documentation about raw filenames and Unicode file name translation mode
Make filelib not crash on re codepoints beyond 255 in re when filename is raw
Mend on_load_embedded testcase which did not handle windows links
Correct testcase regarding windows versions supporting soft links.
Teach filelib to use re in unicode mode when filenames are not raw
Treat soft links on Windows correctly in file_name_SUITE
Adapt new soft and hard link routines on Windos to Unicode
Corrected testcases broken by unicode filenames
Update preloaded prim_file
Teach prim_file not to accept atoms and not to throw exceptions
Adapt inet_drv to Visual Studio 2008
Teach spawn_executable about Unicode
Convert filenames read on MacOSX to canonical form
Teach file to accept codepoints beyond 255.
Add testcases
Correct shell utilities to handle unicode and possibly binaries
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* lukas/hipe/decode_packet_type:
Update httppacket type to return both strings and binaries
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Also corrected type-info for bifs
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Dialyzer for a long time now has had hard-coded type information about
key functions of the 'file' and 'code' modules in 'erl_bif_types'.
Some of this information was not up-to-date according to the published
Erlang/OTP documentation, while some other part contained small errors.
Now that specs are available, this information should be moved to the
corresponding files, not be hard-coded in erl_bif_types.
This change takes out all information for the 'file' module and fixes
some small errors in type information for the 'code' module.
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Although the {encoding, encoding()} set of options is documented in
the manual page of the 'file' module, they do not appear in the Mode
description on that page nor in the mode() type declaration.
The patch adds this information in both the code of the module and
the documentation of the module.
To avoid duplication, the declaration of the encoding() type is added
to the 'unicode' module where it most probably belongs.
While at it, added a proper declaration for posix(), took out the
now superfluous information about the types of file:open/2 from the
erl_bif_types module, and corrected the return type of file:open/2
so that it corresponds to the published documentation.
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elib_malloc is an alternate memory allocator that
is no longer possible to build.
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The code handling this BIF did not take into account that
the fun in the first argument that could return []
and therefore the return value of the BIF could also be [].
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* bg/bif-types:
Add type information for erlang:garbage_collect_message_area/0
Add type information for erts_debug:* BIFs
Add type information for erlang:port_call/2
Add type information for erlang:display* BIFs
Add type information for the BIFs in the binary module
Introduce and use the t_endian() helper
Add type information for erlang:binary_part/2,3
Add type info for erlang:append/2 and erlang:subtract/2
Add type information for the erlang:adler32* BIFs
Add ppc64 return for erlang:system_info(hipe_architecture)
Test that all BIFs have known types
erl_types: Export is_erl_type/1
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erlang:garbage_collect_message_area/0 is undocumented and unsupported.
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(erlang:port_call/2 is undocumented.)
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These are aliases for '++'/2 and '--'/2.
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While at it, introduce a new type for adler32 and crc32
and use it consistently within the file.
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A stub function that is supposed to be replaced by a NIF usually
calls erlang:error/1 to cause an exception if the NIF library
is not loaded. For example:
foo() ->
erlang:error(nif_not_loaded).
The problem is that although erlang:error/1 will normally never be
called, Dialyzer will think that any call to the function will fail
and thus generate false warnings. Adding a spec for the function
will not help because Dialyzer will not believe the spec.
Add erlang:nif_error/1,2 that work exactly like erlang:error/1,2.
Define the return types for both BIFs to be t_any().
erlang:nif_error is used like this:
-spec foo() -> binary().
foo() ->
erlang:nif_error(nif_not_loaded).
(The -spec is optional but highly recommended, since Dialyzer
otherwise has no chance to figure out the types.)
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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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* bg/erl_bif_types:
Add types for erts_debug:lock_counters/1
Add types for os:timestamp/0
Add types for erts_debug:dist_ext_to_term/2
erl_bif_types: add 'http_bin' as a valid packet option
OTP-8437: bg/erl_bif_types
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erts_debug:lock_counters/1 is an undocumented BIF used by
the 'lcnt' module in the 'tools' application.
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{packet,http_bin} is now a valid packet option for the
gen_tcp and inet modules.
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