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Previously, since the opt_aset_with optimization was introduced,
use of the opt_aset_with optimization inside multiple assignment
would result in a segfault or incorrect instructions.
Fixes [Bug #21012]
Co-authored-by: Nobuyoshi Nakada <[email protected]>
Notes:
Merged: https://github.com/ruby/ruby/pull/12528
Merged-By: jeremyevans <[email protected]>
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```
/home/chkbuild/chkbuild/tmp/build/20220119T003004Z/ruby/test/ruby/test_assignment.rb:727: warning: assigned but unused variable - m
```
http://rubyci.s3.amazonaws.com/ubuntu/ruby-master/log/20220119T003004Z.log.html.gz
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Previously, the right hand side was always evaluated before the
left hand side for constant assignments. For the following:
```ruby
lhs::C = rhs
```
rhs was evaluated before lhs, which is inconsistant with attribute
assignment (lhs.m = rhs), and apparently also does not conform to
JIS 3017:2013 11.4.2.2.3.
Fix this by changing evaluation order. Previously, the above
compiled to:
```
0000 putself ( 1)[Li]
0001 opt_send_without_block <calldata!mid:rhs, argc:0, FCALL|VCALL|ARGS_SIMPLE>
0003 dup
0004 putself
0005 opt_send_without_block <calldata!mid:lhs, argc:0, FCALL|VCALL|ARGS_SIMPLE>
0007 setconstant :C
0009 leave
```
After this change:
```
0000 putself ( 1)[Li]
0001 opt_send_without_block <calldata!mid:lhs, argc:0, FCALL|VCALL|ARGS_SIMPLE>
0003 putself
0004 opt_send_without_block <calldata!mid:rhs, argc:0, FCALL|VCALL|ARGS_SIMPLE>
0006 swap
0007 topn 1
0009 swap
0010 setconstant :C
0012 leave
```
Note that if expr is not a module/class, then a TypeError is not
raised until after the evaluation of rhs. This is because that
error is raised by setconstant. If we wanted to raise TypeError
before evaluation of rhs, we would have to add a VM instruction
for calling vm_check_if_namespace.
Changing assignment order for single assignments caused problems
in the multiple assignment code, revealing that the issue also
affected multiple assignment. Fix the multiple assignment code
so left-to-right evaluation also works for constant assignments.
Do some refactoring of the multiple assignment code to reduce
duplication after adding support for constants. Rename struct
masgn_attrasgn to masgn_lhs_node, since it now handles both
constants and attributes. Add add_masgn_lhs_node static function
for adding data for lhs attribute and constant setting.
Fixes [Bug #15928]
Notes:
Merged: https://github.com/ruby/ruby/pull/4450
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In regular assignment, Ruby evaluates the left hand side before
the right hand side. For example:
```ruby
foo[0] = bar
```
Calls `foo`, then `bar`, then `[]=` on the result of `foo`.
Previously, multiple assignment didn't work this way. If you did:
```ruby
abc.def, foo[0] = bar, baz
```
Ruby would previously call `bar`, then `baz`, then `abc`, then
`def=` on the result of `abc`, then `foo`, then `[]=` on the
result of `foo`.
This change makes multiple assignment similar to single assignment,
changing the evaluation order of the above multiple assignment code
to calling `abc`, then `foo`, then `bar`, then `baz`, then `def=` on
the result of `abc`, then `[]=` on the result of `foo`.
Implementing this is challenging with the stack-based virtual machine.
We need to keep track of all of the left hand side attribute setter
receivers and setter arguments, and then keep track of the stack level
while handling the assignment processing, so we can issue the
appropriate topn instructions to get the receiver. Here's an example
of how the multiple assignment is executed, showing the stack and
instructions:
```
self # putself
abc # send
abc, self # putself
abc, foo # send
abc, foo, 0 # putobject 0
abc, foo, 0, [bar, baz] # evaluate RHS
abc, foo, 0, [bar, baz], baz, bar # expandarray
abc, foo, 0, [bar, baz], baz, bar, abc # topn 5
abc, foo, 0, [bar, baz], baz, abc, bar # swap
abc, foo, 0, [bar, baz], baz, def= # send
abc, foo, 0, [bar, baz], baz # pop
abc, foo, 0, [bar, baz], baz, foo # topn 3
abc, foo, 0, [bar, baz], baz, foo, 0 # topn 3
abc, foo, 0, [bar, baz], baz, foo, 0, baz # topn 2
abc, foo, 0, [bar, baz], baz, []= # send
abc, foo, 0, [bar, baz], baz # pop
abc, foo, 0, [bar, baz] # pop
[bar, baz], foo, 0, [bar, baz] # setn 3
[bar, baz], foo, 0 # pop
[bar, baz], foo # pop
[bar, baz] # pop
```
As multiple assignment must deal with splats, post args, and any level
of nesting, it gets quite a bit more complex than this in non-trivial
cases. To handle this, struct masgn_state is added to keep
track of the overall state of the mass assignment, which stores a linked
list of struct masgn_attrasgn, one for each assigned attribute.
This adds a new optimization that replaces a topn 1/pop instruction
combination with a single swap instruction for multiple assignment
to non-aref attributes.
This new approach isn't compatible with one of the optimizations
previously used, in the case where the multiple assignment return value
was not needed, there was no lhs splat, and one of the left hand side
used an attribute setter. This removes that optimization. Removing
the optimization allowed for removing the POP_ELEMENT and adjust_stack
functions.
This adds a benchmark to measure how much slower multiple
assignment is with the correct evaluation order.
This benchmark shows:
* 4-9% decrease for attribute sets
* 14-23% decrease for array member sets
* Basically same speed for local variable sets
Importantly, it shows no significant difference between the popped
(where return value of the multiple assignment is not needed) and
!popped (where return value of the multiple assignment is needed)
cases for attribute and array member sets. This indicates the
previous optimization, which was dropped in the evaluation
order fix and only affected the popped case, is not important to
performance.
Fixes [Bug #4443]
Notes:
Merged: https://github.com/ruby/ruby/pull/4390
Merged-By: jeremyevans <[email protected]>
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Fixed misspellings reported at [Bug #16437], only in ruby and rubyspec.
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to suppress variable unused warning
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[Feature #11297] [Feature #16123]
Notes:
Merged: https://github.com/ruby/ruby/pull/2474
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Single assignment with rescue modifier applies rescue to the RHS:
a = raise rescue 1 # a = (raise rescue 1)
Previously, multiple assignment with rescue modifier applied rescue
to the entire expression:
a, b = raise rescue [1, 2] # (a, b = raise) rescue [1, 2]
This makes multiple assignment with rescue modifier consistent with
single assignment with rescue modifier, applying rescue to the RHS:
a, b = raise rescue [1, 2] # a, b = (raise rescue [1, 2])
Implements [Feature #8239]
Fixes [Bug #8279]
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63177 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63176 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* parse.y (command_asgn, arg): fix syntax errors with chained
assignment with op assign. [Bug #12669]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55888 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* parse.y (assign_in_cond): allow multiple assignment in
conditional expression. [Feature #10617]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54558 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* compile.c (compile_massign_lhs): when index ends with splat,
append rhs value to it like POSTARG, since VM_CALL_ARGS_SPLAT
splats the last argument only. [ruby-core:72777] [Bug #11970]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53495 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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When you change this to true, you may need to add more tests.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53141 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* compile.c (iseq_compile_each): revert r46873 and r46875, not to
allow to execute private readers by pretending op assign.
[ruby-core:68984] [Bug #11096]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50408 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* compile.c (iseq_compile_each): allow to access private attribute
reader in op_assign. [ruby-core:63817] [Bug #10060]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46873 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* compile.c (iseq_compile_each), parse.y (new_attr_op_assign_gen):
allow op assign to a private attribute.
[ruby-core:62949] [Bug #9907]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46365 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* test/ruby/test_assignment.rb (test_assign_private_self): test
for r3509, assignment to private attribute is allowed iff its
receiver is literal `self`.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46364 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* test/ruby/test_assignment.rb (test_assign): split by assignment
forms.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46363 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* compile.c (iseq_compile_each): result of assignment should be
its rhs instead of returned value from a method.
[ruby-core:60071] [Bug #9448]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44705 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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on op_asgn was inversed. [ruby-core:25629] [Bug #2050]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@24999 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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lib/require_relative.rb. [ruby-core:16356]
* lib/require_relative.rb: removed.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15985 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15540 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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visibility again. we no longer provide __send, __send!.
* eval.c (rb_invoke_method): new method to honor private
visibility. if it's invoked in a function call style, it calls
private methods as well (previous 1.9 send behavior).
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13824 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13260 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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(Sentence#each): defined.
* test/ruby/test_assignment.rb: use Sentence#expand.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13253 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13108 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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lambda using lambda parameter passing emulator.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13087 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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based on sentgen.rb
* test/ruby/sentgen.rb: removed.
* test/ruby/test_assignment.rb: use sentence.rb.
* test/ruby/test_yield.rb: block parameter passing emulator
implemented.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13064 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@12904 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@12762 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* test/ruby/test_assignment.rb: tests implemeneted using assignment
generator and emulator.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@12709 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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ex) def m;yield 1, 2; end; m{|v| p v} #=> 1
* parse.y: apply above change for "for" statement.
* test/ruby/test_assignment.rb: ditto
* test/ruby/test_basicinstructions.rb: ditto.
* test/ruby/test_iterator.rb: ditto.
* test/ruby/test_yield.rb: ditto.
* compile.c (iseq_compile_each): fix debug.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@12544 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* yarvtest/test_massign.rb: removed (merged to test_assignment.rb).
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@11830 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* test/ruby/test_assignment.rb (TestAssignment::test_yield): ditto.
* test/ruby/test_iterator.rb (TestIterator::test_itertest): ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@10504 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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string (e.g. ?x).
* lib/tempfile.rb (Tempfile::make_tmpname): put dot between
basename and pid. [ruby-talk:196272]
* parse.y (do_block): remove -> style block.
* parse.y (parser_yylex): remove tLAMBDA_ARG.
* eval.c (rb_call0): binding for the return event hook should have
consistent scope. [ruby-core:07928]
* eval.c (proc_invoke): return behavior should depend whether it
is surrounded by a lambda or a mere block.
* eval.c (formal_assign): handles post splat arguments.
* eval.c (rb_call0): ditto.
* st.c (strhash): use FNV-1a hash.
* parse.y (parser_yylex): removed experimental ';;' terminator.
* eval.c (rb_node_arity): should be aware of post splat arguments.
* eval.c (rb_proc_arity): ditto.
* parse.y (f_args): syntax rule enhanced to support arguments
after the splat.
* parse.y (block_param): ditto for block parameters.
* parse.y (f_post_arg): mandatory formal arguments after the splat
argument.
* parse.y (new_args_gen): generate nodes for mandatory formal
arguments after the splat argument.
* eval.c (rb_eval): dispatch mandatory formal arguments after the
splat argument.
* parse.y (args): allow more than one splat in the argument list.
* parse.y (method_call): allow aref [] to accept all kind of
method argument, including assocs, splat, and block argument.
* eval.c (SETUP_ARGS0): prepare block argument as well.
* lib/mathn.rb (Integer): remove Integer#gcd2. [ruby-core:07931]
* eval.c (error_line): print receivers true/false/nil specially.
* eval.c (rb_proc_yield): handles parameters in yield semantics.
* eval.c (nil_yield): gives LocalJumpError to denote no block
error.
* io.c (rb_io_getc): now takes one-character string.
* string.c (rb_str_hash): use FNV-1a hash from Fowler/Noll/Vo
hashing algorithm.
* string.c (rb_str_aref): str[0] now returns 1 character string,
instead of a fixnum. [Ruby2]
* parse.y (parser_yylex): ?c now returns 1 character string,
instead of a fixnum. [Ruby2]
* string.c (rb_str_aset): no longer support fixnum insertion.
* eval.c (umethod_bind): should not update original class.
[ruby-dev:28636]
* eval.c (ev_const_get): should support constant access from
within instance_eval(). [ruby-dev:28327]
* time.c (time_timeval): should round for usec floating
number. [ruby-core:07896]
* time.c (time_add): ditto.
* dir.c (sys_warning): should not call a vararg function
rb_sys_warning() indirectly. [ruby-core:07886]
* numeric.c (flo_divmod): the first element of Float#divmod should
be an integer. [ruby-dev:28589]
* test/ruby/test_float.rb: add tests for divmod, div, modulo and remainder.
* re.c (rb_reg_initialize): should not allow modifying literal
regexps. frozen check moved from rb_reg_initialize_m as well.
* re.c (rb_reg_initialize): should not modify untainted objects in
safe levels higher than 3.
* re.c (rb_memcmp): type change from char* to const void*.
* dir.c (dir_close): should not close untainted dir stream.
* dir.c (GetDIR): add tainted/frozen check for each dir operation.
* lib/rdoc/parsers/parse_rb.rb (RDoc::RubyParser::parse_symbol_arg):
typo fixed. a patch from Florian Gross <florg at florg.net>.
* eval.c (EXEC_EVENT_HOOK): trace_func may remove itself from
event_hooks. no guarantee for arbitrary hook deletion.
[ruby-dev:28632]
* util.c (ruby_strtod): differ addition to minimize error.
[ruby-dev:28619]
* util.c (ruby_strtod): should not raise ERANGE when the input
string does not have any digits. [ruby-dev:28629]
* eval.c (proc_invoke): should restore old ruby_frame->block.
thanks to ts <decoux at moulon.inra.fr>. [ruby-core:07833]
also fix [ruby-dev:28614] as well.
* signal.c (trap): sig should be less then NSIG. Coverity found
this bug. a patch from Kevin Tew <tewk at tewk.com>.
[ruby-core:07823]
* math.c (math_log2): add new method inspired by
[ruby-talk:191237].
* math.c (math_log): add optional base argument to Math::log().
[ruby-talk:191308]
* ext/syck/emitter.c (syck_scan_scalar): avoid accessing
uninitialized array element. a patch from Pat Eyler
<rubypate at gmail.com>. [ruby-core:07809]
* array.c (rb_ary_fill): initialize local variables first. a
patch from Pat Eyler <rubypate at gmail.com>. [ruby-core:07810]
* ext/syck/yaml2byte.c (syck_yaml2byte_handler): need to free
type_tag. a patch from Pat Eyler <rubypate at gmail.com>.
[ruby-core:07808]
* ext/socket/socket.c (make_hostent_internal): accept ai_family
check from Sam Roberts <sroberts at uniserve.com>.
[ruby-core:07691]
* util.c (ruby_strtod): should not cut off 18 digits for no
reason. [ruby-core:07796]
* array.c (rb_ary_fill): internalize local variable "beg" to
pacify Coverity. [ruby-core:07770]
* pack.c (pack_unpack): now supports CRLF newlines. a patch from
<tommy at tmtm.org>. [ruby-dev:28601]
* applied code clean-up patch from Stefan Huehner
<stefan at huehner.org>. [ruby-core:07764]
* lib/jcode.rb (String::tr_s): should have translated non
squeezing character sequence (i.e. a character) as well. thanks
to Hiroshi Ichikawa <gimite at gimite.ddo.jp> [ruby-list:42090]
* ext/socket/socket.c: document update patch from Sam Roberts
<sroberts at uniserve.com>. [ruby-core:07701]
* lib/mathn.rb (Integer): need not to remove gcd2. a patch from
NARUSE, Yui <naruse at airemix.com>. [ruby-dev:28570]
* parse.y (arg): too much NEW_LIST()
* eval.c (SETUP_ARGS0): remove unnecessary access to nd_alen.
* eval.c (rb_eval): use ARGSCAT for NODE_OP_ASGN1.
[ruby-dev:28585]
* parse.y (arg): use NODE_ARGSCAT for placeholder.
* lib/getoptlong.rb (GetoptLong::get): RDoc update patch from
mathew <meta at pobox.com>. [ruby-core:07738]
* variable.c (rb_const_set): raise error when no target klass is
supplied. [ruby-dev:28582]
* prec.c (prec_prec_f): documentation patch from
<gerardo.santana at gmail.com>. [ruby-core:07689]
* bignum.c (rb_big_pow): second operand may be too big even if
it's a Fixnum. [ruby-talk:187984]
* README.EXT: update symbol description. [ruby-talk:188104]
* COPYING: explicitly note GPLv2. [ruby-talk:187922]
* parse.y: remove some obsolete syntax rules (unparenthesized
method calls in argument list).
* eval.c (rb_call0): insecure calling should be checked for non
NODE_SCOPE method invocations too.
* eval.c (rb_alias): should preserve the current safe level as
well as method definition.
* process.c (rb_f_sleep): remove RDoc description about SIGALRM
which is not valid on the current implementation. [ruby-dev:28464]
Thu Mar 23 21:40:47 2006 K.Kosako <sndgk393 AT ybb.ne.jp>
* eval.c (method_missing): should support argument splat in
super. a bug in combination of super, splat and
method_missing. [ruby-talk:185438]
* configure.in: Solaris SunPro compiler -rapth patch from
<kuwa at labs.fujitsu.com>. [ruby-dev:28443]
* configure.in: remove enable_rpath=no for Solaris.
[ruby-dev:28440]
* ext/win32ole/win32ole.c (ole_val2olevariantdata): change behavior
of converting OLE Variant object with VT_ARRAY|VT_UI1 and Ruby
String object.
* ruby.1: a clarification patch from David Lutterkort
<dlutter at redhat.com>. [ruby-core:7508]
* lib/rdoc/ri/ri_paths.rb (RI::Paths): adding paths from rubygems
directories. a patch from Eric Hodel <drbrain at segment7.net>.
[ruby-core:07423]
* eval.c (rb_clear_cache_by_class): clearing wrong cache.
* ext/extmk.rb: use :remove_destination to install extension libraries
to avoid SEGV. [ruby-dev:28417]
* eval.c (rb_thread_fd_writable): should not re-schedule output
from KILLED thread (must be error printing).
* array.c (rb_ary_flatten_bang): allow specifying recursion
level. [ruby-talk:182170]
* array.c (rb_ary_flatten): ditto.
* gc.c (add_heap): a heap_slots may overflow. a patch from Stefan
Weil <weil at mail.berlios.de>.
* eval.c (rb_call): use separate cache for fcall/vcall
invocation.
* eval.c (rb_eval): NODE_FCALL, NODE_VCALL can call local
functions.
* eval.c (rb_mod_local): a new method to specify newly added
visibility "local".
* eval.c (search_method): search for local methods which are
visible only from the current class.
* class.c (rb_class_local_methods): a method to list local methods.
* object.c (Init_Object): add BasicObject class as a top level
BlankSlate class.
* ruby.h (SYM2ID): should not cast to signed long.
[ruby-core:07414]
* class.c (rb_include_module): allow module duplication.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@10235 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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substring directly.
* ext/nkf/lib/kconv.rb (Kconv.conv): get rid of nil.to_a.
* test/ruby/test_assignment.rb, test/ruby/test_iterator.rb: followed
change of sample/test.rb.
* test/net/http/test_http.rb: removed superfluous splatting stars.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@9360 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* lib/rss/taxonomy.rb: ditto.
* lib/rdoc/ri/ri_formatter.rb: ditto.
* test/ruby/test_assignment.rb: ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@5882 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@5764 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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(i.e. not via lambda call), should be treated just like yield.
[ruby-dev:21726]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4860 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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should yield single array of two elements, not two values.
[ruby-dev:21726]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4848 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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array as argument.
* test/ruby/test_*.rb: moved invariants to left side in
assert_equal, and use assert_nil, assert_raises and so on.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4516 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4512 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* test/ruby/test_*.rb: split sample/test.rb into 28 test/unit testcases. some
tests could not be translates... search '!!' mark to see it.
* test/csv/test_csv.rb: should require 'csv', not '../lib/csv'. test runner
should set load path correctly.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4498 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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