END
for (@ops) {
- print "\tPerl_pp_$_,\n";
+ print "\tMEMBER_TO_FPTR(Perl_pp_$_),\n";
}
print <<END;
END
for (@ops) {
- print "\t", &tab(3, "Perl_$check{$_},"), "/* $_ */\n";
+ print "\t", &tab(3, "MEMBER_TO_FPTR(Perl_$check{$_}),"), "\t/* $_ */\n";
}
print <<END;
'|', 3, # logop
'@', 4, # listop
'/', 5, # pmop
- '$', 6, # svop
- '*', 7, # gvop
+ '$', 6, # svop_or_padop
+ '#', 7, # padop
'"', 8, # pvop_or_svop
'{', 9, # loop
';', 10, # cop
# lt and friends do SETs (including ncmp, but not scmp)
+# Additional mode of failure: the opcode can modify TARG before it "used"
+# all the arguments (or may call an external function which does the same).
+# If the target coincides with one of the arguments ==> kaboom.
+
# pp.c pos substr each not OK (RETPUSHUNDEF)
# substr vec also not OK due to LV to target (are they???)
# ref not OK (RETPUSHNO)
# trans not OK (dTARG; TARG = sv_newmortal();)
# ucfirst etc not OK: TMP arg processed inplace
+# quotemeta not OK (unsafe when TARG == arg)
# each repeat not OK too due to array context
# pack split - unknown whether they are safe
# sprintf: is calling do_sprintf(TARG,...) which can act on TARG
# before other args are processed.
+# Suspicious wrt "additional mode of failure" (and only it):
+# schop, chop, postinc/dec, bit_and etc, negate, complement.
+
+# Also suspicious: 4-arg substr, sprintf, uc/lc (POK_only), reverse, pack.
+
+# substr/vec: doing TAINT_off()???
+
# pp_hot.c
# readline - unknown whether it is safe
# match subst not OK (dTARG)
# grepwhile not OK (not always setting)
+# join not OK (unsafe when TARG == arg)
+
+# Suspicious wrt "additional mode of failure": concat (dealt with
+# in ck_sassign()), join (same).
# pp_ctl.c
# mapwhile flip caller not OK (not always setting)
# sselect shm* sem* msg* syscall - unknown whether they are safe
# gmtime not OK (list context)
+# Suspicious wrt "additional mode of failure": warn, die, select.
+
__END__
# New ops always go at the very end
const constant item ck_svconst s$
-gvsv scalar variable ck_null ds*
-gv glob value ck_null ds*
+gvsv scalar variable ck_null ds$
+gv glob value ck_null ds$
gelem glob elem ck_null d2 S S
padsv private variable ck_null ds0
padav private array ck_null d0
# References and stuff.
rv2gv ref-to-glob cast ck_rvconst ds1
-rv2sv scalar deref ck_rvconst ds1
+rv2sv scalar dereference ck_rvconst ds1
av2arylen array length ck_null is1
-rv2cv subroutine deref ck_rvconst d1
+rv2cv subroutine dereference ck_rvconst d1
anoncode anonymous subroutine ck_anoncode $
prototype subroutine prototype ck_null s% S
refgen reference constructor ck_spair m1 L
# Pushy I/O.
-backtick quoted execution (``, qx) ck_null t%
+backtick quoted execution (``, qx) ck_open t%
# glob defaults its first arg to $_
-glob glob ck_glob t@ S? S?
+glob glob ck_glob t@ S?
readline <HANDLE> ck_null t%
rcatline append I/O operator ck_null t%
sassign scalar assignment ck_sassign s0
aassign list assignment ck_null t2 L L
-chop chop ck_spair mTs% L
-schop scalar chop ck_null sTu% S?
+chop chop ck_spair mts% L
+schop scalar chop ck_null stu% S?
chomp chomp ck_spair mTs% L
schomp scalar chomp ck_null sTu% S?
defined defined operator ck_defined isu% S?
i_preinc integer preincrement (++) ck_lfun dis1 S
predec predecrement (--) ck_lfun dIs1 S
i_predec integer predecrement (--) ck_lfun dis1 S
-postinc postincrement (++) ck_lfun dIsT1 S
+postinc postincrement (++) ck_lfun dIst1 S
i_postinc integer postincrement (++) ck_lfun disT1 S
-postdec postdecrement (--) ck_lfun dIsT1 S
+postdec postdecrement (--) ck_lfun dIst1 S
i_postdec integer postdecrement (--) ck_lfun disT1 S
# Ordinary operators.
sne string ne ck_null ifs2 S S
scmp string comparison (cmp) ck_scmp ifst2 S S
-bit_and bitwise and (&) ck_bitop fsT2 S S
-bit_xor bitwise xor (^) ck_bitop fsT2 S S
-bit_or bitwise or (|) ck_bitop fsT2 S S
+bit_and bitwise and (&) ck_bitop fst2 S S
+bit_xor bitwise xor (^) ck_bitop fst2 S S
+bit_or bitwise or (|) ck_bitop fst2 S S
-negate negation (-) ck_null IfsT1 S
+negate negation (-) ck_null Ifst1 S
i_negate integer negation (-) ck_null ifsT1 S
not not ck_null ifs1 S
-complement 1's complement (~) ck_bitop fsT1 S
+complement 1's complement (~) ck_bitop fst1 S
# High falutin' math.
lcfirst lcfirst ck_fun_locale fstu% S?
uc uc ck_fun_locale fstu% S?
lc lc ck_fun_locale fstu% S?
-quotemeta quotemeta ck_fun fsTu% S?
+quotemeta quotemeta ck_fun fstu% S?
# Arrays.
rv2av array dereference ck_rvconst dt1
-aelemfast constant array element ck_null s* A S
+aelemfast constant array element ck_null s$ A S
aelem array element ck_null s2 A S
aslice array slice ck_null m@ A L
unpack unpack ck_fun @ S S
pack pack ck_fun mst@ S L
split split ck_split t@ S S S
-join join ck_join msT@ S L
+join join ck_join mst@ S L
# List operators.
redo redo ck_null ds}
dump dump ck_null ds}
goto goto ck_null ds}
-exit exit ck_fun ds% S?
+exit exit ck_exit ds% S?
# continued below
#nswitch numeric switch ck_null d
# I/O.
-open open ck_fun ist@ F S? S?
+open open ck_open ist@ F S? L
close close ck_fun is% F?
pipe_op pipe ck_fun is@ F F
fileno fileno ck_fun ist% F
umask umask ck_fun ist% S?
-binmode binmode ck_fun s% F
+binmode binmode ck_fun s@ F S?
tie tie ck_fun idms@ R S L
untie untie ck_fun is% R
link link ck_fun isT@ S S
symlink symlink ck_fun isT@ S S
readlink readlink ck_fun stu% S?
-mkdir mkdir ck_fun isT@ S S
+mkdir mkdir ck_fun isT@ S S?
rmdir rmdir ck_fun isTu% S?
# Directory calls.
# Time calls.
+# NOTE: MacOS patches the 'i' of time() away later when the interpreter
+# is created because in MacOS time() is already returning times > 2**31-1,
+# that is, non-integers.
+
time time ck_null isT0
tms times ck_null 0
localtime localtime ck_fun t% S?
https://perl5.git.perl.org / perl5.git / blobdiff