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The record #typereference{} is only used internally within
the asn1ct_parser2 module (the parser translates it to
an #'Externaltypereference{} record).
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The only code that is really different between the PER
and UPER backends is encoding of primitive types.
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The wrong backend was used.
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Improve readability and maintainability.
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Optimize the decoding of CHOICE. Most important is to inline decoding
of the extension bit (if present) and decoding of the choice index
to give the BEAM compiler more opportunities for optimization.
We will also change the structure of the generated code. The current
code uses a flattened case for both the root and extension alternatives:
case Choice + NumRootChoices * Ext of
%% Root alternatives.
0 - ...;
:
LastRootAlternative -> ...;
%% Extension alternatives.
LastRootAlternative+1 -> ...;
:
%% Unknown extension.
_ -> ...;
end
We will instead generate nested cases:
case Ext of
0 ->
case Choice of
%% Root alternatives.
0 - ...;
:
LastRootAlternative -> ...
end;
1 ->
%% Extension alternatives.
<Decode the open type here>
case Choice of
0 -> ...;
:
LastExtensionAlternative -> ...;
%% Unknown extension.
_ -> ...;
end
end
Nested cases should be slightly faster. For decoding of the extensions,
it also makes it possible to hoist the decoding of the open type up
from each case to before the case switching on the extension index,
thus reducing the size of the generated code.
We will also do another change to the structure. Currently, the
big flat clase is wrapped in code that repackages the return values:
{Alt,{Value,RemainingEncodedData}} =
case Choice + NumRootChoices * Ext of
:
end,
{{Value,Alt},RemainingEncodedData}.
We still need to do the repackaging, but we can push it down to
the case arm for decoding each alternative. In many cases, that
will give the BEAM compiler the opportunity to avoid building the
temporary tuples.
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We will need more explicit control of decoding of open types for
CHOICEs, so refactor the gen_dec_line() and gen_dec_line_imm()
to break out the decoding of the open types.
Note that gen_dec_line_special() will not generate correct code
if Ext =/= noext; thus, we can eliminate the Ext parameter.
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gen_dec_choice2() is unnecessarily complicated. Code is duplicated
merely to avoid outputting a ";" separator after the last item,
and there is code to skip extensionmarks that are never actually
present.
While at it, eliminate the the wrap_gen_dec_line() function which is
not needed. It puts a {component_type,C} key in the process
dictionary, but that is actually never used. Besides that, it only
shuffles the argument.
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gen_enc_choice2() duplicates code merely to avoid outputting a ";"
separator after the last item.
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Ensure that asn1ct_name:start/0 will call asn1ct_name:clear/0 if the
name server process is already running so that we can be sure that
the variables are cleared.
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active/1 always returned 'true' (curr(Var) can never return 'nil',
except if Var =:= 'nil'). Therefore, we can eliminate its use and
remove it.
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clean/1 is used quite lot; while not a bottleneck it does seem
unnecessary to stop and start the name server just to clear the
variables.
Since the change to clean/1 makes stop/1 unused, we can remove it.
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Since new/1 does not return any useful value and cannot fail, there
is no reason to wait for a response from the name server process.
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Since we no longer need to support push/1 and pop/1, we can simplify
the data structures used for keeping track of the variables.
Each entry in the list can be simply {Var,integer()} instead of
{Var,[integer()]}.
While at it, eliminate calls to the obsolete lists:keysearch/3
function, don't use integer_to_list/0 within a call to lists:concat/1,
and the catch all clause in get_prev/2 and get_next/2.
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asn1ct_name:delete/1 is used from asn1ct_gen_ber_bin_v2:add_removed_bytes/1,
but that function is not used.
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Bug introduced in a73414d2e8ad03538 and never released.
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* maint:
Replace gc stat lock with sched spec data
Conflicts:
erts/preloaded/ebin/erlang.beam
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* lukas/erts/gc_stat_contention/OTP-10271:
Replace gc stat lock with sched spec data
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* sla/odbc_in_non_standard_location/OTP-11126:
Fix checking for odbc in standard locations when "with-odbc" flag present.
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* kla/armv6l-for-hipe-fixed/OTP-11125:
add support for hipe on Raspberry Pi (armv6l)
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There was an id as the first agument to each expect call.
Ufortunatly, this id was often 1 and since the same test
function(s) was called in many test cases, there was many
"Expect 1", and therefor no way of knowing which expect
actually was performed.
The expect functions has been changed to instead take module
and line number.
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RFC 6733 recommends against the use of Inband-Security-Id, so only send
a value that differs from the default.
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* maint:
Introduce a better id allocation algorithm for PTabs
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* rickard/ptab-id-alloc/OTP-11077:
Introduce a better id allocation algorithm for PTabs
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* anders/diameter/watchdog_function_clause/OTP-11115:
Fix watchdog function_clause
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* anders/diameter/missed_5001/OTP-11087:
Remove redundant integer type specifiers from binaries
Fix recognition of 5001 on mandatory AVP's
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* anders/diameter/avp_decode/OTP-11007:
Detect all 5005 (MISSING_AVP) errors and don't reverse errors
Adapt Failed-AVP setting to RFC 6733
Add spec to diameter_codec
Add spec to diameter_gen
Fix recognition of 5014 (INVALID_AVP_LENGTH) errors
Ensure setting Failed-AVP is appropriate
Correct AVP Length error testcases
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* anders/diameter/avp_length_failure/OTP-11026:
Fix decode failure when AVP Length < 8
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* md/httpc-stream-once-fix/OTP-11122:
Remove http_chunk:decode/4 as it is no longer used
Fix {stream, {self, once}} in httpc
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An AVP setting the M-bit was not regarded as erroneous if it was defined
in the dictionary in question and its container (message or Grouped AVP)
had an 'AVP' field. It's now regarded as a 5001 error (AVP_UNSUPPORTED),
as in the case that the AVP is not defined.
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* bjorn/stdlib/improve-ls/OTP-11108:
Teach c:ls/1 to show non-directory files
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The live optimization in beam_utils:live_opt/4 did not take into
account that the wait/1 instruction *never* falls through to
the next instruction (it has the same effect on the control flow
as the jump/1 instruction).
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