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When attempting to build multiple ASN.1 modules in parallel (e.g. by
running 'make -j'), the ASN.1 compiler could crash because the names
of the .asn1db files clashed. For example, if A.asn1 and B.asn1 both
import from C.asn1, the compiler would write a C.asn1db file when
compiling A.asn1 and when compiling B.asn1.
We can avoid this problem if the compiler only writes the
module's own .asn1db file. That is, when compiling A.asn1,
the compiler would only write A.asn1db, not C.asn1db. Also,
make sure that we make the write atomic by first writing to
a temporary file that is then renamed.
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Responsibilities for parse error handling were split between
asn1ct and asn1ct_parser2 in a confusing way. Let asn1ct_parser2
return structured_error tuples in the same way as the check
pass.
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Wrong fields in the record where checked when sorting, which caused
duplicate objects to exist in constructed object sets and later caused
an error.
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Those asn1 functions are no longer needed because they all have
better alternatives.
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There is (differenct) code for reading .asn1db files both in
asn1ct and asn1_db. Consolidate the reading into one routine
in asn1db.
Another problem is that the encoding rule that the .asn1db
file was created for is not in the .asn1db, but only in the
generated Erlang module. It is much easier and safer to put
the encoding rule in the .asn1db file itself. We will also
put the version number of the asn1 application into the file,
to ensure that we don't use an old .asn1db file that could
potentially be incompatible.
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Unify the code for checking an enumeration value named in a
DEFAULT and in an ENUMERATED value. There is no need to handle
those cases differently. That also will also make sure that
the following works:
E ::= ENUMERATED { x, ..., y }
e E ::= x
(Extensible ENUMERATEDs were not handled when defining values.)
Always generate an error when an unknown enumeration value is
given (used in a DEFAULT, a message would be printed, but the
compilation would succeed). Also make sure that we always include
the line number for the incorrect enumeration.
Write a new test case and remove the extremely rudimentary
value_bad_enum_test/1 test case.
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As a preparation for future clean up of the error handling, we
will need to take control on how how asn1ct runs the different
compiler passes.
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Stop export functions that are not called from outside their
module. If the functions are not used at all, remove the functions
too.
The unused exports were found by running:
xref:start(s).
xref:add_application(s, code:lib_dir(asn1)).
io:format("~p\n", [xref:analyze(s, exports_not_used)]).
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Add the option 'legacy_bit_string' to decode to the old list format.
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The template modules (asn1rtt_*.erl) are based on the existing
run-time modules, but with some simplifications and improvements,
for example:
The run-time functions for BER encoding took a Constraint argument which
was not used. It has been eliminated, along with the unused StringType
argument for the encode_restricted_string function.
The Range argument for decode_enumerated() has been dropped since it
was not used.
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It is time to clean up the mess of back-ends.
Remove all the obsolete back-ends and simplify the options used
to select them.
New Option Old Equivalent
---------- --------------
ber ber_bin,optimize,nif
per per,optimize,nif
uper uper_bin
The old options will still be recognized and translated to the
new options, but will also print a warning.
That implies that deprecated features that only are implemented
in the old 'ber' back-end will no longer work (e.g. the
{Typename,Value} notation).
Also make the return type for the generated encode/2 function
consistent. It used to be a binary for per and uper, and an iolist
for ber. Always make it a binary.
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The 'keyed_list' was only supported for the 'ber' and 'ber_bin'
backends and has been undocumented for a long time. Also remove
the note in the documentation about the feature.
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- Refactor and clean up asn1_db process
- Remove unused stop function in asn1ct.erl
- Remove infinite loop possibilites in asn1ct_check.erl
- test/1,2,3 now run in separate process
- Update documentation for new test options
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All table access is now performed in a separate module. This will allow
changes to how ETS is handled by changing only this module. Note that
the module exports a very ETS-like interface for now which would have to
be maintained even if the data format would change (to a hash map for
example).
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Conflicts:
lib/asn1/doc/src/asn1ct.xml
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* ks/asn1-dialyzer-fixes:
Shut off some dialyzer warnings
OTP-9063
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* ta/asn1-reporting:
asn1ct: Make formatting of errors and warnings consistent
OTP-9062
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Replace 0xA0 with 0x20.
Signed-off-by: Tuncer Ayaz <[email protected]>
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Consistently format warning and error reports.
Warning and error options from erlc now also work in asnc1ct.
Signed-off-by: Tuncer Ayaz <[email protected]>
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asn1ct used to print 'ok' on each compile.
Signed-off-by: Tuncer Ayaz <[email protected]>
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* ta/asn1-verbose:
Add test for verbose option to asn1_SUITE
Teach asn1ct verbose option
OTP-8565 ta/asn1-verbose
By default, the ASN.1 compiler is now silent in the absence of warnings or
errors. The new 'verbose' option or the '-v' option for erlc can be given
to show extra information (for instance, about the files that are generated).
(Thanks to Tuncer Ayaz.)
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Change asn1ct to print verbose information only when asked to.
Signed-off-by: Tuncer Ayaz <[email protected]>
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