| Commit message (Collapse) | Author | Age | Files | Lines |
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This reverts commit 88c8c9616516015e2fe0b502cdb92dc4efcc0c10.
It turns out that these multi-char fold targets are now needed;
In a future commit, I plan to compile in the dozen or so rules that
are needed to avoid a Latin1-only regex from having to go out to the
utf8 tables to avoid the performance penalty; or calling code can use
the also forthcoming 'use re "/aa"'.
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These are not currently used, and slow things down, as regular
expressions that have them, such as /[Etl]/i now have to go out and load
utf8 code. This remains the case, though, for bracketed character
classes that include [KkSs].
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This patch adds to embed.pl the capability to generate static inline functions.
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Prepend + or - in front of all the keyword names in __DATA__ to mark weak and
strong keywords, needed for keyword.c
As keywords.c needs Devel::Tokenizer::C 0.05, not a core module (and not a
common module either) we can no longer run it as part of regen.pl. So store
the sha256 of the source in the generated files, and use this in to check that
they are not stale (in t/porting/regen.t)
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bison isn't available everywhere, so we can't simply re-run regen_perly.pl to
verify that perly.{act,h,tab} are up to date. So instead store the SHA-256 of
the input files, and extend t/porting/regen.t to check that the input files
haven't been changed subsequently.
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Use safer_open() and read_only_bottom_close_and_rename() from regen_lib.pl
Consistently use 3 argument open and lexical file handles.
A side effect of this change is that the generated files are no longer made
read-only on disk - if this is desirable, then probably better to change
regen_lib.pl so that all generated files are made read-only.
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Also put explicit quotes on heredoc declarations to show whether they should
interpolate, merge some heredocs, and remove & from calls to &tab(...)
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All users of close_and_rename() were printing out the appropriate "ex: set ro:"
string to the file handle immediately before closing it. So move that into
the common function and rename it to reflect what it now does. [Except
overload.pl, which should have been, given that it calls read_only_top()]
Print a newline above the "ex: set ro:" line. This removes many newlines from
the regen scripts, but does add newlines to a couple of generated files.
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Pass the final file name as an optional second argument of safer_open() and
store it with the file handle. Add a function close_and_rename() which closes
the file handle, then retrieves the final name, and renames the temporary file
if the two differ.
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Previously regcomp.pl had an explicit unlink for the file it creates, but none
of the other regen/*.pl scripts did. Also, remove commented out code relating
to unlink.
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regen_lib.pl is actually using the hash slot of the typeglob, not the scalar
slot. Typeglob syntax is particularly confusing and prone to errors, although
in this case it doesn't make any behaviour difference.
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Commit b6b9a09997c80269 removed the last vestiges of the code that generated
any files named *-old, but the code to clean them up remained. It serves no
purpose.
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It was the only file generated by any of the regen/*.pl scripts which was
always written out directly, instead of first creating a temporary file, and
only moving that if successfully generated (and different).
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Previously all the scripts in regen/ had code to generate header comments
(buffer-read-only, "do not edit this file", and optionally regeneration
script, regeneration data, copyright years and filename).
This change results in some minor reformatting of header blocks, and
standardises the copyright line as "Larry Wall and others".
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Previously do_not_edit() has a special case for this based on the filename
parameter. Now the code to add the comment is next to the relevant call to
do_not_edit().
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Currently, it doesn't generate a good dump structure if a field has more
than one bit.
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makes debugging marginally easier!
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Unlike set{host,net,proto,serv}ent, set{gr,pw}ent don't have stayopen
parameter, hence their "signature" is the same as the ent*ent functions.
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PL_op_desc[] rather than PL_op_name(), as the OPs are internally named e*ent,
but implement the ent*ent functions, and when unimplemented report themselves
using the function name. No need for OP_DESC(), as the switch statement means
that we can't encounter OP_CUSTOM.
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Instead of having each socket op conditionally compile as either the
implementation or a DIE() depending on #HAS_SOCKET
1: remove the conditional code from the ops themselves
2: only compile the ops if HAS_SOCKET is defined
3: general conditional code for the intialisation of PL_ppaddr - as appropriate
either the ops, or Perl_unimplemented_op
4: Amend Perl_unimplemented_op to generate the appropriate DIE() for socket
ops (ie not the "panic"... message)
Whilst this complicates the support code in regen/opcode.pl, it's already a
net saving of 5 lines in the C code.
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Previously syswrite was an alias for send. However, syswrite is always
available, whereas send is not implemented if HAS_SOCKET is not defined.
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For OPs that share implementations, use #define aliases for the "original"
names in PL_ppaddr[], instead of having regen/opcode.pl replace them with
the name of the implementing OP body. Whilst this initially adds another layer
of indirection, it will give more flexibility where conditional compilation of
OPs is determined by the feature macros in config.h
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It now generates prototypes for all functions that implement OPs. Hence
Perl_unimplemented_op no longer needs a special-case prototype. As it is now
generating a prototype for Perl_do_kv, no need for regen/embed.pl to duplicate
this. Convert the last two users of the macro do_kv() to Perl_do_kv(aTHX).
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Eliminate the #define pp_foo Perl_pp_foo(pTHX) macros, and update the 13
locations that relied on them.
regen/opcode.pl now generates prototypes for the PP functions directly, into
pp_proto.h. It no longer writes pp.sym, and regen/embed.pl no longer reads
this, removing the only ordering dependency in the regen scripts. opcode.pl
is now responsible for prototypes for pp_* functions. (embed.pl remains
responsible for ck_* functions, reading from regen/opcodes)
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Previously regen/opcode.pl wrote them to pp.sym for regen/embed.pl to read.
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Whilst it is possible to open regen/opcode.pl and parse it to find the __END__
token, it's not the cleanest approach.
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External code that references OPs by name will still link (and work).
Unlike the other compatibility functions in mathoms.c, the OP stubs were simply
making calls onwards to their replacements, so simply taking up space without
adding anything.
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In the auto-generated overload.c and overload.h files, add a comment to
each line mapping from the method name to the enumeration name and
vice-versa.
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The initial parse-time UNOP is upgraded at ck_eval to an LOGOP
- op_other holding the ptr to leavetry -
which causes problems at run-time B optype inspection.
The opclass info was always wrong, the Bytecode compiler broke with 5.12.
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Change the custom op registrations from two separate hashes to one hash
holding structure pointers, and add API functions to register ops and
look them up. This will make it easier to add new properties of custom
ops in the future. Copy entries across from the old hashes where
necessary, to preserve compatibility.
Add two new properties, in addition to the already-existing 'name' and
'description': 'class' and 'peep'. 'class' is one of the OA_*OP
constants, and allows B and other introspection mechanisms to work with
custom ops that aren't BASEOPs. 'peep' is a pointer to a function that
will be called for ops of this type from Perl_rpeep.
Adjust B.xs to take account of the new properties, and also to give
custom ops their registered name rather than simply 'custom'.
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for the upcoming y///r feature. There are not enough flag bits,
hence the extra type.
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All built-in functions that operate directly on array or hash
containers now also accept hard references to arrays or hashes:
|----------------------------+---------------------------|
| Traditional syntax | Terse syntax |
|----------------------------+---------------------------|
| push @$arrayref, @stuff | push $arrayref, @stuff |
| unshift @$arrayref, @stuff | unshift $arrayref, @stuff |
| pop @$arrayref | pop $arrayref |
| shift @$arrayref | shift $arrayref |
| splice @$arrayref, 0, 2 | splice $arrayref, 0, 2 |
| keys %$hashref | keys $hashref |
| keys @$arrayref | keys $arrayref |
| values %$hashref | values $hashref |
| values @$arrayref | values $arrayref |
| ($k,$v) = each %$hashref | ($k,$v) = each $hashref |
| ($k,$v) = each @$arrayref | ($k,$v) = each $arrayref |
|----------------------------+---------------------------|
This allows these built-in functions to act on long dereferencing
chains or on the return value of subroutines without needing to wrap
them in C<@{}> or C<%{}>:
push @{$obj->tags}, $new_tag; # old way
push $obj->tags, $new_tag; # new way
for ( keys %{$hoh->{genres}{artists}} ) {...} # old way
for ( keys $hoh->{genres}{artists} ) {...} # new way
For C<push>, C<unshift> and C<splice>, the reference will auto-vivify
if it is not defined, just as if it were wrapped with C<@{}>.
Calling C<keys> or C<values> directly on a reference gives a
substantial performance improvement over explicit dereferencing.
For C<keys>, C<values>, C<each>, when overloaded dereferencing is
present, the overloaded dereference is used instead of dereferencing
the underlying reftype. Warnings are issued about assumptions made in
the following three ambiguous cases:
(a) If both %{} and @{} overloading exists, %{} is used
(b) If %{} overloading exists on a blessed arrayref, %{} is used
(c) If @{} overloading exists on a blessed hashref, @{} is used
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