| Commit message (Collapse) | Author | Age | Files | Lines |
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require calls now require ./ to be prepended to the file since . is no
longer guaranteed to be in @INC.
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DESTROY has been cached in overload tables since
perl-5.6.0-2080-g32251b2, making it 4 times faster than before (over-
load tables are faster than method lookup).
But it slows down symbol lookup on stashes with overload tables,
because overload tables use magic, and SvRMAGICAL results in calls to
mg_find on every hash lookup.
By reusing SvSTASH(stash) to cache the DESTROY method (if the stash
is unblessed, of course, as most stashes are), we can avoid making
all destroyable stashes magical and also speed up DESTROY lookup
slightly more.
The results:
• 10% increase in stash lookup speed after destructors. That was just
testing $Foo::{x}. Other stash lookups will have other overheads
that make the difference less impressive.
• 5% increase in DESTROY lookup speed. I was using an empty DESTROY
method to test this, so, again, real DESTROY methods will have more
overhead and less speedup.
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Merge together many calls to open_new() and read_only_top().
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Update the SHA256s where necessary in the generated files.
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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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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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makes debugging marginally easier!
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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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Moves the various scripts that are called by regen.pl to a subdirectory
to reduce clutter.
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