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The previous code looked at the actual parameters supplied when
instantiating the type to determine the type of the argument; the
correct way is to determine the type by looking at the governor and
case of the formal parameter.
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Check the formal parameters for a parameterized type definition.
If the governor for a formal parameter is absent, the formal parameter
must be in upper case.
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Definitions for parameterized types are verified once very early,
and one more time when they are instantiated.
Errors found during the first check were ignored, so errors for
unused parameterized types were not reported.
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Before classes were fully implemented, there was support for
ABSTRACT-SYNTAX and TYPE-IDENTIFIER. Some of that code is still
there and is no longer used. Get rid of it and correct comments.
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Attempting to compile:
SomeType{SOME-CLASS-NAME, SOME-CLASS-NAME:SomeSet} ::= ...
SEQUENCE {
something SOME-CLASS-NAME.&id({SomeSet})
}
would crash the compiler, because the actual parameter for
SOME-CLASS-NAME was not substituted into the governor for
the SomeSet parameter.
While we are at it, combine the functionality of is_class/2
and get_class_def/2 (eliminating is_class/2). Most callers
call both function.
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If we want construct an #'Externaltypereference'{} from
a #classdef{} record, we will need the module name.
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The only remaining use of #identifier{} in asn1ct_check was in a
temporary packaging of a value that would be ultimately be put
into #valuedef{}.
Therefore we can eliminate that last usage but putting the value
directly into a #valuedef{} and we can move the record definition
into asn1ct_parser2.
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When parsing ASN.1, certain constructs can only be understood in
the full context of the entire ASN.1 module.
For instance, the value following ID in this simplified excerpt
from MTSAbstractService88:
administration-88 PORT ::= {
ID {id-pt-administration 88}
}
the value following "ID" can be interpreted either as value
for:
SEQUENCE {
id-pt-administration INTEGER
}
or as an OBJECT IDENTIFIER.
Our ASN.1 parser assumes that a SEQUENCE is meant, and if that
later turns out to be wrong, the SEQUENCE value is rewritten to
an OBJECT IDENTIFIER. The problem is that at the time of the
rewrite, we no longer know in which ASN.1 module id-pt-administration
was defined in, and we have to use the module name in the state{}
record. Unfortunately, the module name in the state{} record may
not always be correct.
While there are attempts in the code to keep the module name
up-to-date when checking imported types, it is not done consistently,
and it seems to be a difficult and error-prone task to attempt
to make it consistent.
A safer and less error-prone approach is to make sure that we
don't lose the module name while parsing. To make it clear what
we are doing, we will introduce a new #seqtag{} record that
are used for tags in SEQUENCE values. The name is based on its
primary use. The record also contains the module in case it happens
to be an OBJECT IDENTIFIER.
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Make sure that we continue to follow external references until
we find a real type.
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EXPORTS ALL is the same as leaving out the EXPORTS statement.
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* bjorn/compiler/fix-scope-bug/OTP-12132:
sys_core_fold: Eliminate name capture bug
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The scope is supposed to contain all variables that are currently
live. We need this information for certain optimizations to
avoid capturing a name (a name that is in the scope must be renamed;
for an example, see move_let_into_expr/2 or any function that calls
sub_subst_scope/1). We also use the scope to optimize sub_del_var/2
and sub_is_val/2.
When optimizing case expressions, the scope could be reset to an
empty list (because sub_new/0 was called instead of sub_new/1).
That could cause name capture if inlining was turned on.
As simple way to force this bug is to uncomment the
"-define(DEBUG, 1)." near the beginning of the file. Without this
correction, most files in the test suite fail to compile.
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* nox/erl_scan-fix-column-tracking:
Properly track column numbers in erl_scan
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* siri/ct-runtime-deps/OTP-12037:
[ct] Update runtime dependencies towards test_server
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Conflicts:
OTP_VERSION
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* rickard/runnable-trace-ooo-bug/OTP-12105:
Fix busy_port_SUITE:io_to_busy test-case
Ensure "runnable port" trace messages are not sent out of order
Ensure "runnable proc" trace messages are not sent out of order
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* rickard/port-emigrate-bug/maint/OTP-12084:
Verify run-queue asserts
Fix emigrate bug in erts_port_task_schedule()
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* ia/public_key/dialyzer:
public_key: Fix spec and documentation for pkix_crls_validate
public_key: Fix spec and documentation for PBES
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* dgud/mnesia/create-table-race/OTP-12124:
Avoid timing issue in schema transaction when node is stopping
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* vinoski/enif-schedule-nif:
add enif_schedule_nif() to NIF API
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In the #erlang IRC channel Anthony Ramine once mentioned the idea of
allowing a NIF to use an emulator trap, similar to a BIF trap, to schedule
another NIF for execution. This is exactly how dirty NIFs were implemented
for Erlang/OTP 17.0, so this commit refactors and generalizes that dirty
NIF code to support a new enif_schedule_nif() API function.
The enif_schedule_nif() function allows a long-running NIF to be broken
into separate NIF invocations. The NIF first executes part of the
long-running task, then calls enif_schedule_nif() to schedule a NIF for
later execution to continue the task. Any number of NIFs can be scheduled
in this manner, one after another. Since the emulator regains control
between invocations, this helps avoid problems caused by native code tying
up scheduler threads for too long.
The enif_schedule_nif() function also replaces the original experimental
dirty NIF API. The function takes a flags parameter that a caller can use
to indicate the NIF should be scheduled onto either a dirty CPU scheduler
thread, a dirty I/O scheduler thread, or scheduled as a regular NIF on a
regular scheduler thread. With this change, the original experimental
enif_schedule_dirty_nif(), enif_schedule_dirty_nif_finalizer() and
enif_dirty_nif_finalizer() API functions are no longer needed and have been
removed. Explicit scheduling of a dirty NIF finalization function is no
longer necessary; if an application wants similar functionality, it can
have a dirty NIF just invoke enif_schedule_nif() to schedule a non-dirty
NIF to complete its task.
Lift the restriction that dirty NIFs can't call enif_make_badarg() to raise
an exception. This was a problem with the original dirty NIF API because it
forced developers to get and check all incoming arguments in a regular NIF,
and then schedule the dirty NIF which then had to get all the arguments
again. Now, the argument checking can be done in the dirty NIF and it can
call enif_make_badarg() itself to flag incorrect arguments.
Extend the ErlNifFunc struct with a new flags field that allows NIFs to be
declared as dirty. The default value for this field is 0, indicating a
regular NIF, so it's backwards compatible with all existing statically
initialized ErlNifFunc struct instances, and so such instances require no
code changes. Defining the flags field with a value of
ERL_NIF_DIRTY_JOB_CPU_BOUND indicates that the NIF should execute on a
dirty CPU scheduler thread, or defining it with a value of
ERL_NIF_DIRTY_JOB_IO_BOUND indicates that the NIF should execute on a dirty
I/O scheduler thread. Any other flags field value causes a NIF library
loading error.
Extend the ErlNifEntry struct with a new options field that indicates
whether a NIF library was built with support for optional features such as
dirty NIFs. When a NIF library is loaded, the runtime checks the options
field to ensure compatibility. If a NIF library built with dirty NIF
support is loaded into a runtime that does not support dirty NIFs, and the
library defines one or more ErlNifFunc entries with non-zero flags fields
indicating dirty NIFs, a NIF library loading error results. There is no
error if a NIF library built with dirty NIF support is loaded into a
runtime that does not support dirty NIFs but the library does not have any
dirty NIFs. It is also not an error if a library without dirty NIF support
is loaded into a runtime built with dirty NIF support.
Add documentation and tests for enif_schedule_nif().
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* dgud/stdlib/format_status_terminate/OTP-11967:
stdlib: Call format_status even if terminate callback crashes
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* michaelkschmidt/ssh_bug_fix:
Test Other Clauses of start_shell
Fix SSH CLI when using custom "shell" option
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* tuncer/misspelled-another:
Fix misspellings of 'another'
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* okeuday/erts-poll-debug-print-fix:
Fix ERTS_POLL_DEBUG_PRINT usage
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By doing an abort, the create_table can be restarted
if a node go down during the transaction.
{badarg,
[{erlang,link,[undefined],[]},
{mnesia_controller,
wait_for_schema_commit_lock,0,
[{file,"mnesia_controller.erl"},
{line,303}]},
{mnesia_schema,prepare_commit,3,
[{file,"mnesia_schema.erl"},
{line,1838}]},
{mnesia_tm,commit_participant,6,
[{file,"mnesia_tm.erl"},
{line,1669}]}]}}},
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* lpgauth/fix_httpc_doc_typo:
Fix typo in documentation /header_as_is/headers_as_is/
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* ia/odbc/win-test:
odbc: Condition test case to avoid permission issues in Vista
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* kittee/maps_only:
maps:only/2 -> maps:with/2
add maps:only/2
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* ia/public_key/PBES2/OTP-11915:
public_key: Add encodeing functionality for PBES1 and PBES2
public_key: Add PBES1 decoding support
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OTP-12121
* vladdu/jinterface_fun_equals:
jinterface: fix bug in equality for OtpErlangFun
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* ia/inets/ipv6-tests:
inets: Enable ipv6 tests for httpd
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start_shell() is called by exec, so test those cases as well.
Also add support for passing a fun to exec.
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