Author: tim.bunce
Date: Thu Dec 4 13:59:12 2008
New Revision: 640
Modified:
trunk/HACKING
Log:
Minor tweaks to HACKING
Modified: trunk/HACKING
==============================================================================
--- trunk/HACKING (original)
+++ trunk/HACKING Thu Dec 4 13:59:12 2008
@@ -236,7 +236,7 @@
This is a more general way to view the problem of xsubs in packages
for which we don't have any perl source code.
-*** Other, less important random or unsorted ideas
+*** Other, less important random, unsorted, and possibly daft ideas
Intercept all opcodes that may fork and run perl code in the child
ie fork, open, entersub (ie xs), others?
@@ -268,8 +268,9 @@
Probably need to record or output the line range when the BEGIN 'sub' is
entered.
Same for END subs.
-Record $AUTOLOAD when AUTOLOAD() called
-Perhaps as ...::AUTOLOAD[$AUTOLOAD]
+Record $AUTOLOAD when AUTOLOAD() called. Perhaps
as ...::AUTOLOAD[$AUTOLOAD]
+Or perhaps just use the original name if the 'resolved' one is AUTOLOAD.
+Could be argued either way.
More generally, consider the problem of code where one code path is fast
and just sets $sql = ... (for example) and another code path executes the
@@ -318,7 +319,7 @@
probably).
Bug or limitation?: sub calls in a continue { ... } block of a while () get
-associated with the 'next;' within the loop.
+associated with the 'next;' within the loop. Fixed by perl change 33710?
Investigate style.css problem when using --outfile=some/other/dir
@@ -327,6 +328,7 @@
Trace level 1 should show totals fids, subs etc.
Index should show eval fids in some form - collapsed per location?
+Or just included in the stats for the outer source file.
Usage of SubInfo merge_in needs to also merge sub_callers info.
Perhaps restructure sub_callers to hang off sub_subinfo.
@@ -339,5 +341,5 @@
Use a two level hash: HvNAME(GvSTASH(gv)) then GvNAME(gv).
Should then also be able to avoid newSV/free for subname_sv (which
accounts for 50% of its time).
-Class::MOP should update %DB::sub (if $^P set) when it creates methods.
+Class::MOP should update %DB::sub (if $^P & 0x10 set) when it creates
methods.
Sub::Name should do same (extracting the file and line from the
ANON[...:...])
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