which has been developed by Takashi Kokubun <takashikkbn@gmail> as
YARV-MJIT. Many of its bugs are fixed by wanabe <s.wanabe@gmail.com>.
This JIT compiler is designed to be a safe migration path to introduce
JIT compiler to MRI. So this commit does not include any bytecode
changes or dynamic instruction modifications, which are done in original
MJIT.
This commit even strips off some aggressive optimizations from
YARV-MJIT, and thus it's slower than YARV-MJIT too. But it's still
fairly faster than Ruby 2.5 in some benchmarks (attached below).
Note that this JIT compiler passes `make test`, `make test-all`, `make
test-spec` without JIT, and even with JIT. Not only it's perfectly safe
with JIT disabled because it does not replace VM instructions unlike
MJIT, but also with JIT enabled it stably runs Ruby applications
including Rails applications.
I'm expecting this version as just "initial" JIT compiler. I have many
optimization ideas which are skipped for initial merging, and you may
easily replace this JIT compiler with a faster one by just replacing
mjit_compile.c. `mjit_compile` interface is designed for the purpose.
common.mk: update dependencies for mjit_compile.c.
internal.h: declare `rb_vm_insn_addr2insn` for MJIT.
vm.c: exclude some definitions if `-DMJIT_HEADER` is provided to
compiler. This avoids to include some functions which take a long time
to compile, e.g. vm_exec_core. Some of the purpose is achieved in
transform_mjit_header.rb (see `IGNORED_FUNCTIONS`) but others are
manually resolved for now. Load mjit_helper.h for MJIT header.
mjit_helper.h: New. This is a file used only by JIT-ed code. I'll
refactor `mjit_call_cfunc` later.
vm_eval.c: add some #ifdef switches to skip compiling some functions
like Init_vm_eval.
win32/mkexports.rb: export thread/ec functions, which are used by MJIT.
include/ruby/defines.h: add MJIT_FUNC_EXPORTED macro alis to clarify
that a function is exported only for MJIT.
array.c: export a function used by MJIT.
bignum.c: ditto.
class.c: ditto.
compile.c: ditto.
error.c: ditto.
gc.c: ditto.
hash.c: ditto.
iseq.c: ditto.
numeric.c: ditto.
object.c: ditto.
proc.c: ditto.
re.c: ditto.
st.c: ditto.
string.c: ditto.
thread.c: ditto.
variable.c: ditto.
vm_backtrace.c: ditto.
vm_insnhelper.c: ditto.
vm_method.c: ditto.
I would like to improve maintainability of function exports, but I
believe this way is acceptable as initial merging if we clarify the
new exports are for MJIT (so that we can use them as TODO list to fix)
and add unit tests to detect unresolved symbols.
I'll add unit tests of JIT compilations in succeeding commits.
Author: Takashi Kokubun <takashikkbn@gmail.com>
Contributor: wanabe <s.wanabe@gmail.com>
Part of [Feature #14235]
---
* Known issues
* Code generated by gcc is faster than clang. The benchmark may be worse
in macOS. Following benchmark result is provided by gcc w/ Linux.
* Performance is decreased when Google Chrome is running
* JIT can work on MinGW, but it doesn't improve performance at least
in short running benchmark.
* Currently it doesn't perform well with Rails. We'll try to fix this
before release.
---
* Benchmark reslts
Benchmarked with:
Intel 4.0GHz i7-4790K with 16GB memory under x86-64 Ubuntu 8 Cores
- 2.0.0-p0: Ruby 2.0.0-p0
- r62186: Ruby trunk (early 2.6.0), before MJIT changes
- JIT off: On this commit, but without `--jit` option
- JIT on: On this commit, and with `--jit` option
** Optcarrot fps
Benchmark: https://github.com/mame/optcarrot
| |2.0.0-p0 |r62186 |JIT off |JIT on |
|:--------|:--------|:--------|:--------|:--------|
|fps |37.32 |51.46 |51.31 |58.88 |
|vs 2.0.0 |1.00x |1.38x |1.37x |1.58x |
** MJIT benchmarks
Benchmark: https://github.com/benchmark-driver/mjit-benchmarks
(Original: https://github.com/vnmakarov/ruby/tree/rtl_mjit_branch/MJIT-benchmarks)
| |2.0.0-p0 |r62186 |JIT off |JIT on |
|:----------|:--------|:--------|:--------|:--------|
|aread |1.00 |1.09 |1.07 |2.19 |
|aref |1.00 |1.13 |1.11 |2.22 |
|aset |1.00 |1.50 |1.45 |2.64 |
|awrite |1.00 |1.17 |1.13 |2.20 |
|call |1.00 |1.29 |1.26 |2.02 |
|const2 |1.00 |1.10 |1.10 |2.19 |
|const |1.00 |1.11 |1.10 |2.19 |
|fannk |1.00 |1.04 |1.02 |1.00 |
|fib |1.00 |1.32 |1.31 |1.84 |
|ivread |1.00 |1.13 |1.12 |2.43 |
|ivwrite |1.00 |1.23 |1.21 |2.40 |
|mandelbrot |1.00 |1.13 |1.16 |1.28 |
|meteor |1.00 |2.97 |2.92 |3.17 |
|nbody |1.00 |1.17 |1.15 |1.49 |
|nest-ntimes|1.00 |1.22 |1.20 |1.39 |
|nest-while |1.00 |1.10 |1.10 |1.37 |
|norm |1.00 |1.18 |1.16 |1.24 |
|nsvb |1.00 |1.16 |1.16 |1.17 |
|red-black |1.00 |1.02 |0.99 |1.12 |
|sieve |1.00 |1.30 |1.28 |1.62 |
|trees |1.00 |1.14 |1.13 |1.19 |
|while |1.00 |1.12 |1.11 |2.41 |
** Discourse's script/bench.rb
Benchmark: https://github.com/discourse/discourse/blob/v1.8.7/script/bench.rb
NOTE: Rails performance was somehow a little degraded with JIT for now.
We should fix this.
(At least I know opt_aref is performing badly in JIT and I have an idea
to fix it. Please wait for the fix.)
*** JIT off
Your Results: (note for timings- percentile is first, duration is second in millisecs)
categories_admin:
50: 17
75: 18
90: 22
99: 29
home_admin:
50: 21
75: 21
90: 27
99: 40
topic_admin:
50: 17
75: 18
90: 22
99: 32
categories:
50: 35
75: 41
90: 43
99: 77
home:
50: 39
75: 46
90: 49
99: 95
topic:
50: 46
75: 52
90: 56
99: 101
*** JIT on
Your Results: (note for timings- percentile is first, duration is second in millisecs)
categories_admin:
50: 19
75: 21
90: 25
99: 33
home_admin:
50: 24
75: 26
90: 30
99: 35
topic_admin:
50: 19
75: 20
90: 25
99: 30
categories:
50: 40
75: 44
90: 48
99: 76
home:
50: 42
75: 48
90: 51
99: 89
topic:
50: 49
75: 55
90: 58
99: 99
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62197 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
These functions take variadic arguments so no automatic type
promotion is expected. You have to do it by hand.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61542 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* vm_method.c (rb_method_entry_complement_defined_class): clone
the original method entry of refined module instance method with
the active ICLASS, to track super method chain.
[ruby-dev:50390] [Bug #14232]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61484 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* vm_method.c (rb_resolve_refined_method_callable): make it static.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60808 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* vm_core.h: move rb_thread_t::passed_block_handler to
rb_execution_context_t::passed_block_handler.
Also move rb_thread_t::passed_bmethod_me to
rb_execution_context_t::passed_bmethod_me.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60503 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
to represent execution context [Feature #14038]
* vm_core.h (rb_thread_t): rb_thread_t::ec is now a pointer.
There are many code using `th` to represent execution context
(such as cfp, VM stack and so on). To access `ec`, they need to
use `th->ec->...` (adding one indirection) so that we need to
replace them by passing `ec` instead of `th`.
* vm_core.h (GET_EC()): introduced to access current ec. Also
remove `ruby_current_thread` global variable.
* cont.c (rb_context_t): introduce rb_context_t::thread_ptr instead of
rb_context_t::thread_value.
* cont.c (ec_set_vm_stack): added to update vm_stack explicitly.
* cont.c (ec_switch): added to switch ec explicitly.
* cont.c (rb_fiber_close): added to terminate fibers explicitly.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60440 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* proc.c (method_super_method): search the next super method along
the included ancestor chain. [ruby-core:83114] [Bug #13973]
* vm_method.c (rb_callable_method_entry_without_refinements):
return the defined class.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60127 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* vm_method.c (rb_method_entry_make): suppress a warning at
refined method which will not be redefined.
[ruby-core:82385] [Bug #13817]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59613 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* vm_core.h: rename absolute_path to realpath because it is expected name.
external APIs (#absolute_path methods) are remained.
* vm_core.h: remove rb_iseq_location_struct::path and
rb_iseq_location_struct::absolute_path and introduce pathobj.
if given path equals to given absolute_path (and most of case
it is true), pathobj is simply given path String. If it is not same,
pathobj is Array and pathobj[0] is path and pathobj[1] is realpath.
This size optimization reduce 8 bytes and
sizeof(struct rb_iseq_constant_body) is 200 bytes -> 192 bytes
on 64bit CPU.
To support this change, the following functions are introduced:
* pathobj_path() (defined in vm_core.h)
* pathobj_realpath() (ditto)
* rb_iseq_path() (decl. in vm_core.h)
* rb_iseq_realpath() (ditto)
* rb_iseq_pathobj_new() (ditto)
* rb_iseq_pathobj_set() (ditto)
* vm_core.h (rb_binding_t): use pathobj instead of path. If binding
is given at eval methods, realpath (absolute_path) was caller's
realpath. However, they should use binding's realpath.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
The goal is to reduce rb_context_t and rb_fiber_t size
by removing the need to store the entire rb_thread_t in
there.
[ruby-core:81045] Work-in-progress: soon, we will move more fields here.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58614 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* How to enable this feature?
* define USE_DEBUG_COUNTER as 1.
* you can disable to output the result with
RUBY_DEBUG_COUNTER_DISABLE environment variable
even if USE_DEBUG_COUNTER == 1.
* How to add new counter?
* add COUNTER(<name>) line on debug_counter.h.
* include "debug_counter.h"
* insert RB_DEBUG_COUNTER_INC(<name>) line on your favorite place.
* counter output example:
[RUBY_DEBUG_COUNTER] mc_inline_hit 999
[RUBY_DEBUG_COUNTER] mc_inline_miss 3
[RUBY_DEBUG_COUNTER] mc_global_hit 23
[RUBY_DEBUG_COUNTER] mc_global_miss 273
[RUBY_DEBUG_COUNTER] mc_global_state_miss 3
[RUBY_DEBUG_COUNTER] mc_class_serial_miss 0
[RUBY_DEBUG_COUNTER] mc_cme_complement 0
[RUBY_DEBUG_COUNTER] mc_cme_complement_hit 0
[RUBY_DEBUG_COUNTER] mc_search_super 1384
[RUBY_DEBUG_COUNTER] ivar_get_hit 0
[RUBY_DEBUG_COUNTER] ivar_get_miss 0
[RUBY_DEBUG_COUNTER] ivar_set_hit 0
[RUBY_DEBUG_COUNTER] ivar_set_miss 0
[RUBY_DEBUG_COUNTER] ivar_get 431
[RUBY_DEBUG_COUNTER] ivar_set 465
* mc_... is related to method caching.
* ivar_... is related to instance variable accesses.
* compare with dtrace/system tap features, there are completely
no performacne penalties when it is disabled.
* This feature is supported only on __GNUC__ compilers.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57676 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Do not check for the value of rb_iseq_constant_body::line_info_table as
it is no longer related. The checks seem to be the remains from the day
before the dedicated 'first_lineno' field was introduced. Remove them.
Note, rb_iseq_constant_body::line_info_table can be NULL only when the
iseq does not contain any instructions that originate from Ruby code,
for example, an iseq created with 'proc {}' under a non-default compile
options where trace instructions are disabled.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57118 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* vm_method.c (prepare_callable_method_entry): update assertion
as defined_class may be T_MODULE not only I_ICLASS since r56213.
[Feature #12534]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56380 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* *.c: rename rb_funcall2 to rb_funcallv, except for extensions
which are/will be/may be gems. [Fix GH-1406]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55773 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
[Bug #12628]
This patch introduce many changes.
* Introduce concept of "Block Handler (BH)" to represent
passed blocks.
* move rb_control_frame_t::flag to ep[0] (as a special local
variable). This flags represents not only frame type, but also
env flags such as escaped.
* rename `rb_block_t` to `struct rb_block`.
* Make Proc, Binding and RubyVM::Env objects wb-protected.
Check [Bug #12628] for more details.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55766 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
undefined method even if ruby_running is FALSE.
We haven't call "undef"ed methods before ruby_running.
So that this issue does not make troubles.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55655 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* vm_method.c (vm_respond_to): try method_missing if respond_to?
is undefined, as if it is the default definition.
[ruby-core:75377] [Bug #12353]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55500 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* error.c (ruby_only_for_internal_use): raise fatal error when
deprecated function only for internal use is called, not just a
warning.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54791 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* vm_method.c (rb_alias): the original name should be properly
available method_added method, set the name before calling the
hook.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54035 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* vm_method.c (prepare_callable_method_entry): assert same
condition only once for each case, not twice for module instance
method.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53977 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
should check whether a newly created method override a optimize
method in case the method is defined in a prepended module of a
built-in class.
[ruby-core:72226] [Bug #11836]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53179 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
RCLASS_CALLABLE_M_TBLs of all sub-classes (T_ICLASS).
RCLASS_CALLABLE_M_TBL() caches complemented method entries.
It should be cleared when the modules are cleared.
On previous version clears only for direct children.
It is enough for normal modules because corresponding T_ICLASSes
are direct children.
However, refinements create complex data structure. So that
we need to clear all children (and descendants).
[ruby-core:71423] [Bug #11672]
* vm_method.c (rb_clear_method_cache_by_class): rb_mKernel
doesn't call rb_class_clear_method_cache, so that
clear child T_ICLASSes.
* test/ruby/test_refinement.rb: enable disabled test.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52648 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
RCLASS_CALLABLE_M_TBL() instead of accessing a filed directly.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52646 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* rb_method_definition_t::complemented_count to count shared method
entries because of complemented method entries and separate from
alias_count.
Shared `def' only by complemented method entries should not prevent
method re-definition warning.
* METHOD_ENTRY_COMPLEMENTED(me) to represent complemented method entry.
* METHOD_ENTRY_COMPLEMENTED_SET(me) to check it as complemented me.
* vm_insnhelper.c (aliased_callable_method_entry): should also
check me->def->complemented_count.
* vm_method.c (method_definition_addref_complement): add to count
complemented method entries number.
* vm_method.c (rb_method_definition_release): release `def' iff
alias_count == 0 and complemented_count == 0.
* test/ruby/test_module.rb: add a test.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52636 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
complemented method entries or not. There are some cases that callabe
method entries do not have defined_class.
* vm_method.c (rb_method_entry_complement_defined_class):
use METHOD_ENTRY_COMPLEMENTED_SET().
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52617 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* vm_method.c (method_definition_addref_complement): introduced.
def->alias_count is used to decide warn or do not warn at method
redefinition. Complented methods should not prevent redefiniton
warnings.
* vm_method.c (rb_method_definition_release): release def iff
alias_count == 0 && complemented_count == 0.
* test/ruby/test_module.rb: add a test.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52614 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* vm_method.c (set_method_visibility): should fail if the receiver
is frozen. [ruby-core:71489] [Bug #11687]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52579 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
but check CREF in environment or methods. Methods defined in methods
should be public.
[Bug #11571]
* vm_method.c (rb_scope_module_func_check): check CREF in env or me.
if CREF is contained by `me', then return FALSE.
* test/ruby/test_method.rb: add a test.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52562 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* error.c (name_err_mesg_to_str): quote the name if unprintable.
* object.c (check_setter_id): use rb_check_id to convert names.
* variable.c (uninitialized_constant): use NameError::message to
keep the receiver of uninitialized constant. [Feature #10881]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52321 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
[DOC] [ci skip] Remove a needless space from comment
[Fixes GH-1069] Patch by @yui-knk
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52287 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* vm_method.c (rb_undef): remove code almost common to proc.c.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52266 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
because $SAFE = 3 and 4 is not available.
Now, $SAFE is not checked on method dispatch at all.
* vm_eval.c, vm_insnhelper.c, vm_method.c: ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52058 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* vm_eval.c (check_funcall_failed, check_funcall_missing): cache
results of respond_to? and respond_to_missing?, and search a
pulibc method only for compatibility with rb_respond_to.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51665 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
[Feature #11420]
This table only manage ID->VALUE table to reduce overhead of st.
Some functions prefixed rb_id_table_* are provided.
* id_table.c: implement rb_id_table_*.
There are several algorithms to implement it.
Now, there are roughly 4 types:
* st
* array
* hash (implemented by Yura Sokolov)
* mix of array and hash
The macro ID_TABLE_IMPL can choose implementation.
You can see detailes about them at the head of id_table.c.
At the default, I choose 34 (mix of list and hash).
This is not final decision.
Please report your suitable parameters or
your data structure.
* symbol.c: introduce rb_id_serial_t and rb_id_to_serial()
to represent ID by serial number.
* internal.h: use id_table for method tables.
* class.c, gc.c, marshal.c, vm.c, vm_method.c: ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51541 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
All contents of previous rb_iseq_t is in rb_iseq_t::body.
Remove rb_iseq_t::self because rb_iseq_t is an object.
RubyVM::InstructionSequence is wrapper object points T_IMEMO/iseq.
So RubyVM::ISeq.of(something) method returns different wrapper
objects but they point the same T_IMEMO/iseq object.
This patch is big, but most of difference is replacement of
iseq->xxx to iseq->body->xxx.
(previous) rb_iseq_t::compile_data is also located to
rb_iseq_t::compile_data.
It was moved from rb_iseq_body::compile_data.
Now rb_iseq_t has empty two pointers.
I will split rb_iseq_body data into static data and dynamic data.
* compile.c: rename some functions/macros.
Now, we don't need to separate iseq and iseqval (only VALUE).
* eval.c (ruby_exec_internal): `n' is rb_iseq_t (T_IMEMO/iseq).
* ext/objspace/objspace.c (count_imemo_objects): count T_IMEMO/iseq.
* gc.c: check T_IMEMO/iseq.
* internal.h: add imemo_type::imemo_iseq.
* iseq.c: define RubyVM::InstructionSequnce as T_OBJECT.
Methods are implemented by functions named iseqw_....
* load.c (rb_load_internal0): rb_iseq_new_top() returns
rb_iseq_t (T_IMEMO/iesq).
* method.h (rb_add_method_iseq): accept rb_iseq_t (T_IMEMO/iseq).
* vm_core.h (GetISeqPtr): removed because it is not T_DATA now.
* vm_core.h (struct rb_iseq_body): remove padding for
[Bug #10037][ruby-core:63721].
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51327 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
rb_control_frame_t::klass.
[Bug #11278], [Bug #11279]
rb_method_entry_t data belong to modules/classes.
rb_method_entry_t::owner points defined module or class.
module M
def foo; end
end
In this case, owner is M.
rb_callable_method_entry_t data belong to only classes.
For modules, MRI creates corresponding T_ICLASS internally.
rb_callable_method_entry_t can also belong to T_ICLASS.
rb_callable_method_entry_t::defined_class points T_CLASS or
T_ICLASS.
rb_method_entry_t data for classes (not for modules) are also
rb_callable_method_entry_t data because it is completely same data.
In this case, rb_method_entry_t::owner == rb_method_entry_t::defined_class.
For example, there are classes C and D, and incldues M,
class C; include M; end
class D; include M; end
then, two T_ICLASS objects for C's super class and D's super class
will be created.
When C.new.foo is called, then M#foo is searcheed and
rb_callable_method_t data is used by VM to invoke M#foo.
rb_method_entry_t data is only one for M#foo.
However, rb_callable_method_entry_t data are two (and can be more).
It is proportional to the number of including (and prepending)
classes (the number of T_ICLASS which point to the module).
Now, created rb_callable_method_entry_t are collected when
the original module M was modified. We can think it is a cache.
We need to select what kind of method entry data is needed.
To operate definition, then you need to use rb_method_entry_t.
You can access them by the following functions.
* rb_method_entry(VALUE klass, ID id);
* rb_method_entry_with_refinements(VALUE klass, ID id);
* rb_method_entry_without_refinements(VALUE klass, ID id);
* rb_resolve_refined_method(VALUE refinements, const rb_method_entry_t *me);
To invoke methods, then you need to use rb_callable_method_entry_t
which you can get by the following APIs corresponding to the
above listed functions.
* rb_callable_method_entry(VALUE klass, ID id);
* rb_callable_method_entry_with_refinements(VALUE klass, ID id);
* rb_callable_method_entry_without_refinements(VALUE klass, ID id);
* rb_resolve_refined_method_callable(VALUE refinements, const rb_callable_method_entry_t *me);
VM pushes rb_callable_method_entry_t, so that rb_vm_frame_method_entry()
returns rb_callable_method_entry_t.
You can check a super class of current method by
rb_callable_method_entry_t::defined_class.
* method.h: renamed from rb_method_entry_t::klass to
rb_method_entry_t::owner.
* internal.h: add rb_classext_struct::callable_m_tbl to cache
rb_callable_method_entry_t data.
We need to consider abotu this field again because it is only
active for T_ICLASS.
* class.c (method_entry_i): ditto.
* class.c (rb_define_attr): rb_method_entry() does not takes
defiend_class_ptr.
* gc.c (mark_method_entry): mark RCLASS_CALLABLE_M_TBL() for T_ICLASS.
* cont.c (fiber_init): rb_control_frame_t::klass is removed.
* proc.c: fix `struct METHOD' data structure because
rb_callable_method_t has all information.
* vm_core.h: remove several fields.
* rb_control_frame_t::klass.
* rb_block_t::klass.
And catch up changes.
* eval.c: catch up changes.
* gc.c: ditto.
* insns.def: ditto.
* vm.c: ditto.
* vm_args.c: ditto.
* vm_backtrace.c: ditto.
* vm_dump.c: ditto.
* vm_eval.c: ditto.
* vm_insnhelper.c: ditto.
* vm_method.c: ditto.
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This simplifies all the callers and makes code easier to use
and review. I was confused about the need for RB_GC_GUARD
in define_{aset,aref}_method of struct.c without reading
rb_add_method_iseq.
Likewise, do the same for rb_iseq_clone, where the GC guard
only seems neccesary iff RGenGC is disabled.
* vm_method.c (rb_add_method_iseq): add RB_GC_GUARD
* class.c (clone_method): remove RB_GC_GUARD
* struct.c (define_aref_method): ditto
(define_aset_method): ditto
* vm.c (vm_define_method):
* iseq.c (rb_iseq_clone): add RB_GC_GUARD
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method_definition_reset() if def is given.
Actually, `me' is a new object, so we don't need to call it.
It is just to make sure.
* vm_method.c (method_definition_reset): remove duplicated insertion.
* vm_method.c (rb_method_entry_clone): assgine dst->def here,
not in method_definition_reset().
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a rb_method_entry_t data (me).
Normally, `me' points `def'. Some Ruby objects pointed from `def'
and objects are marked by `me' (mark_method_entry() in gc.c).
However, `def' is built before making a `me', then nobody can mark
objects pointed from `def' before making (and pointing from) `me'.
I hope this patch solve #11244.
* vm_method.c: remove `rb_' prefix from some static functions.
* method.h (rb_method_entry_create): constify
* gc.c (mark_method_entry): add checking `def' and
`def->body.iseq.iseqptr' availability because they can be NULL.
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* vm_method.c (rb_attr): simply use the current visibility,
instead of tests for each visibilities.
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* vm_method.c (rb_attr): remove redundant check. attribute names
given in ruby level should be checked before calling this
function.
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rb_method_entry_t::flags to make one word spare space.
Add some macros to access these flags.
* vm_method.c: use these macros.
* internal.h: define IMEMO_FL_USHIFT and IMEMO_FL_USER[0-4]
for T_IMEMO local flags.
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rb_method_entry_t.
r50728 changed sharing `def's to isolating `def's
on alias and so on. However, this change conflicts
future improvement plan. So I change back to sharing approach.
* method.h: move rb_method_definition_t::flags to
rb_method_entry_t::attr::flags.
rb_method_entry_t::attr is union with VALUE because this field
should have same size of VALUE. rb_method_entry_t is T_IMEMO).
And also add the following access macros to it's fileds.
* METHOD_ENTRY_VISI(me)
* METHOD_ENTRY_BASIC(me)
* METHOD_ENTRY_SAFE(me)
* vm_method.c (rb_method_definition_addref): added instead of
rb_method_definition_clone().
Do not create new definition, but increment alias_count.
* class.c (clone_method): catch up this fix.
* class.c (method_entry_i): ditto.
* proc.c (mnew_internal): ditto.
* proc.c (mnew_missing): ditto.
* vm_eval.c: ditto.
* vm_insnhelper.c: ditto.
* vm_method.c: ditto.
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* eval_intern.h: move definition of rb_scope_visibility_t
to method.h.
* method.h: change rb_cref_t::scope_visi from VALUE to
rb_scope_visibility_t.
[Bug #11219]
* vm.c (vm_cref_new): accept rb_method_visibility_t directly.
* vm_insnhelper.c (rb_vm_rewrite_cref): don't use 0,
but METHOD_VISI_UNDEF.
* vm_method.c (rb_scope_visibility_set): don't need to use cast.
* vm_method.c (rb_scope_module_func_set): ditto.
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avoid initializing struct with variables.
[Bug #11217]
* method.h: add a comment about it.
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* eval_intern.h: move decl. of rb_scope_visibility_set() to method.h.
* load.c: catch up this fix.
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`flag' contains several categories of attributes and it makes us
confusion (at least, I had confused).
* rb_method_visibility_t (flags::visi)
* NOEX_UNDEF -> METHOD_VISI_UNDEF = 0
* NOEX_PUBLIC -> METHOD_VISI_PUBLIC = 1
* NOEX_PRIVATE -> METHOD_VISI_PRIVATE = 2
* NOEX_PROTECTED -> METHOD_VISI_PROTECTED = 3
* NOEX_SAFE(flag)) -> safe (flags::safe, 2 bits)
* NOEX_BASIC -> basic (flags::basic, 1 bit)
* NOEX_MODFUNC -> rb_scope_visibility_t in CREF
* NOEX_SUPER -> MISSING_SUPER (enum missing_reason)
* NOEX_VCALL -> MISSING_VCALL (enum missing_reason)
* NOEX_RESPONDS -> BOUND_RESPONDS (macro)
Now, NOEX_NOREDEF is not supported (I'm not sure it is needed).
Background:
I did not know what "NOEX" stands for.
I asked Matz (who made this name) and his answer was "Nothing".
"At first, it meant NO EXport (private), but the original
meaning was gone."
This is why I remove the mysterious word "NOEX" from MRI.
* vm_core.h: introduce `enum missing_reason' to represent
method_missing (NoMethodError) reason.
* eval_intern.h: introduce rb_scope_visibility_t to represent
scope visibility.
It has 3 method visibilities (public/private/protected)
and `module_function`.
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While making a r50728, iseqval is needed (to mark correctly),
but now just iseqptr is enough.
* class.c: catch up this fix.
* gc.c: ditto.
* proc.c: ditto.
* vm_method.c: ditto.
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Motivation and new data structure are described in [Bug #11203].
This patch also solve the following issues.
* [Bug #11200] Memory leak of method entries
* [Bug #11046] __callee__ returns incorrect method name in orphan
proc
* test/ruby/test_method.rb: add a test for [Bug #11046].
* vm_core.h: remvoe rb_control_frame_t::me. me is located at value
stack.
* vm_core.h, gc.c, vm_method.c: remove unlinked_method... codes
because method entries are simple VALUEs.
* method.h: Now, all method entries has own independent method
definititons. Strictly speaking, this change is not essential,
but for future changes.
* rb_method_entry_t::flag is move to rb_method_definition_t::flag.
* rb_method_definition_t::alias_count is now
rb_method_definition_t::alias_count_ptr, a pointer to the counter.
* vm_core.h, vm_insnhelper.c (rb_vm_frame_method_entry) added to
search the current method entry from value stack.
* vm_insnhelper.c (VM_CHECK_MODE): introduced to enable/disable
assertions.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50728 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Patch by @spastorino [Fixes GH-849]
https://github.com/ruby/ruby/pull/849
* test/ruby/test_module.rb: Update test for changes
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rb_cref_t is data type of CREF. Now, the body is still NODE.
It is easy to understand what is CREF and what is pure NODE.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49897 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* CREF_CLASS(cref)
* CREF_NEXT(cref)
* CREF_VISI(cref)
* CREF_VISI_SET(cref, v)
* CREF_REFINEMENTS(cref)
* CREF_PUSHED_BY_EVAL(cref)
* CREF_PUSHED_BY_EVAL_SET(cref)
* CREF_OMOD_SHARED(cref)
* CREF_OMOD_SHARED_SET(cref)
* CREF_OMOD_SHARED_UNSET(cref)
This is process to change CREF data type from NODE.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49894 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* vm_core.h, method.h: remove rb_iseq_t::cref_stack. CREF is stored
to rb_method_definition_t::body.iseq_body.cref.
* vm_insnhelper.c: modify SVAR usage.
When calling ISEQ type method, push CREF information onto method
frame, SVAR located place. Before this fix, SVAR is simply nil.
After this patch, CREF (or NULL == Qfalse for not iseq methods)
is stored at the method invocation.
When SVAR is requierd, then put NODE_IF onto SVAR location,
and NDOE_IF::nd_reserved points CREF itself.
* vm.c (vm_cref_new, vm_cref_dump, vm_cref_new_toplevel): added.
* vm_insnhelper.c (vm_push_frame): accept CREF.
* method.h, vm_method.c (rb_add_method_iseq): added. This function
accepts iseq and CREF.
* class.c (clone_method): use rb_add_method_iseq().
* gc.c (mark_method_entry): mark method_entry::body.iseq_body.cref.
* iseq.c: remove CREF related codes.
* insns.def (getinlinecache/setinlinecache): CREF should be cache key
because a different CREF has a different namespace.
* node.c (rb_gc_mark_node): mark NODE_IF::nd_reserved for SVAR.
* proc.c: catch up changes.
* struct.c: ditto.
* insns.def: ditto.
* vm_args.c (raise_argument_error): ditto.
* vm_eval.c: ditto.
* test/ruby/test_class.rb: add a test.
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* variable.c (rb_alias_variable): IDs are always immportal now, no
pin down is needed.
* vm_method.c (rb_method_entry_make): ditto.
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method, raise a NameError if the method is not
defined in refined class.
But if the method is defined in refined class,
it should keep refined method and remove original
method.
Patch by Seiei Higa. [ruby-core:67722] [Bug #10765]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49480 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* method.h (UNDEFINED_REFINED_METHOD_P): macro to tell if refined
original method is defined.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49222 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* vm_method.c (rb_alias): raise a NameError when creating alias to
a refined method if the original method of the refined method is
not defined. [ruby-core:67523] [Bug #10731]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49221 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* vm_method.c (rb_method_entry): if no super class, no original
method entry. [ruby-core:67389] [Bug #10707]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49184 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* vm_method.c (rb_mod_remove_method): preserve encodings of method
name and class name in error messages.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48576 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* include/ruby/intern.h (rb_disable_super, rb_enable_super): warn
as deprecated at build time, instead of ignoring silently or
warning at runtime only.
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* vm_method.c (rb_method_entry_make): get rid of storing method
cache, so that the added method will be called later.
[ruby-dev:48691] [Bug #10421]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48118 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* vm_method.c (rb_method_entry_make): warn redefinition only for
already defined methods, but not for undefined methods.
[ruby-dev:48691] [Bug #10421]
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* vm_method.c (GLOBAL_METHOD_CACHE): make a single expression.
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We are not currently avoiding recursion by calling
release_method_definition, so use rb_free_method_entry directly
to make changing code easier in case we change the way
rb_method_entry_t is allocated.
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exposing IDs from collectable symbols.
[Bug #10014]
Now, rb_check_id() returns 0 if corresponding symbol is
pinned dynamic symbol.
There is remaining intern_cstr_without_pindown(), it can return
IDs from collectable symbols. We must be careful to use it
(only used in parse.y). I think it should be removed if
it does not have impact for performance.
* parse.y:
add:
* STATIC_SYM2ID()
* STATIC_ID2SYM()
rename:
* rb_pin_dynamic_symbol() -> dsymbol_pindown()
* internal.h:
remove:
* rb_check_id_without_pindown()
* rb_sym2id_without_pindown()
add:
* rb_check_symbol()
* rb_check_symbol_cstr()
* load.c: use rb_check_id() or rb_check_id_cstr().
* object.c: ditto.
* struct.c: ditto.
* thread.c: ditto.
* vm_method.c: ditto.
* string.c (sym_find): use only rb_check_symbol().
* sprintf.c (rb_str_format): use rb_check_symbol_cstr().
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46764 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* vm_method.c (basic_obj_respond_to): `priv` is not a VALUE but a
mere flag, so cannot call RTEST() on it.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46442 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* vm_method.c (rb_method_entry_make): separate selection of IDs to
be private from condition of method to be defined.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46438 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
See this ticket about Symbol GC.
* include/ruby/ruby.h:
Declare few functions.
* rb_sym2id: almost same as old SYM2ID but support dynamic symbols.
* rb_id2sym: almost same as old ID2SYM but support dynamic symbols.
* rb_sym2str: almost same as `rb_id2str(SYM2ID(sym))` but not
pin down a dynamic symbol.
Declare a new struct.
* struct RSymbol: represents a dynamic symbol as object in
Ruby's heaps.
Add few macros.
* STATIC_SYM_P: check a static symbol.
* DYNAMIC_SYM_P: check a dynamic symbol.
* RSYMBOL: cast to RSymbol
* gc.c: declare RSymbol. support T_SYMBOL.
* internal.h: Declare few functions.
* rb_gc_free_dsymbol: free up a dynamic symbol. GC call this
function at a sweep phase.
* rb_str_dynamic_intern: convert a string to a dynamic symbol.
* rb_check_id_without_pindown: not pinning function.
* rb_sym2id_without_pindown: ditto.
* rb_check_id_cstr_without_pindown: ditto.
* string.c (Init_String): String#intern and String#to_sym use
rb_str_dynamic_intern.
* template/id.h.tmpl: use LSB of ID as a flag for determining a
static symbol, so we shift left other ruby_id_types.
* string.c: use rb_sym2str instead `rb_id2str(SYM2ID(sym))` to
avoid pinning.
* load.c: use xx_without_pindown function at creating temporary ID
to avoid pinning.
* object.c: ditto.
* sprintf.c: ditto.
* struct.c: ditto.
* thread.c: ditto.
* variable.c: ditto.
* vm_method.c: ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45426 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* vm_method.c (rb_method_entry_get_without_cache): me->klass is 0
for a method aliased in a module. [ruby-core:61636] [Bug #9663]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45387 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* vm_method.c (rb_method_entry_get_without_cache): get rid of
infinite recursion at aliases in a subclass and a superclass.
return actually defined class for other than singleton class.
[ruby-core:60431] [Bug #9475]
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* vm_method.c (rb_add_method, rb_attr): cast between pointer and
ID via VALUE.
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a refining method in case the method is private.
[ruby-core:60111] [Bug #9452]
* vm_method.c (make_method_entry_refined): set me->flag of a refined
method entry to NOEX_PUBLIC in case the original method is private
and it is refined as a public method. The original flag is stored
in me->def->body.orig_me, so it's OK to make a refined method
entry public. [ruby-core:60111] [Bug #9452]
* test/ruby/test_refinement.rb: related tests.
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* vm_method.c (GLOBAL_METHOD_CACHE_MASK): set from
GLOBAL_METHOD_CACHE_SIZE automatically.
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Note that rb_method_entry_t::klass is not constified.
We may constify this field.
* test/ruby/test_alias.rb: add a test.
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* proc.c (method_owner): return the class where alias is defined, not
the class original method is defined.
* vm_method.c (rb_method_entry_make, rb_alias): store the originally
defined class in me. [Bug #7993] [Bug #7842] [Bug #9236]
* vm_method.c (rb_method_entry_get_without_cache): cache included
module but not iclass.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44175 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* vm_method.c (rb_clear_method_cache_by_class): fire
ruby::method-cache-clear probe on global or klass-level method cache
clear [Bug #9190]
* probes.d (provider ruby): new dtrace probe
* doc/dtrace_probes.rdoc: docs for new probe
* test/dtrace/test_method_cache.rb: test for new probe
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44103 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
vm_insnhelper.c, vm_insnhelper.h, vm_method.c: Rename method_serial
to global_method_state and constant_serial to global_constant_state
after discussion with ko1.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44097 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
ruby_vm_global_state_version into two separate counters - one for the
global method state and one for the global constant state. This means
changes to constants do not affect method caches, and changes to
methods do not affect constant caches. In particular, this means
inclusions of modules containing constants no longer globally
invalidate the method cache.
* class.c, eval.c, include/ruby/intern.h, insns.def, vm.c, vm_method.c:
rename rb_clear_cache_by_class to rb_clear_method_cache_by_class
* class.c, include/ruby/intern.h, variable.c, vm_method.c: add
rb_clear_constant_cache
* compile.c, vm_core.h, vm_insnhelper.c: rename vmstat field in
rb_call_info_struct to method_state
* vm_method.c: rename vmstat field in struct cache_entry to method_state
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original method of a refined method is undef to avoid SEGV.
* vm_method.c (rb_method_entry_without_refinements): return 0 when
the original method of a refined method is undef to avoid SEGV.
* test/ruby/test_refinement.rb: related test.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43334 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* vm_method.c (rb_attr): preserve encoding of the attribute ID in
error message.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43215 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Type of return value of rb_iseq_first_lineno() is now VALUE.
* vm_insnhelper.c (argument_error): ditto.
* vm_method.c (rb_method_entry_make): ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43163 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* VALUE rb_iseq_path(VALUE iseqval);
* VALUE rb_iseq_absolute_path(VALUE iseqval);
* VALUE rb_iseq_label(VALUE iseqval);
* VALUE rb_iseq_base_label(VALUE iseqval);
* VALUE rb_iseq_first_lineno(VALUE iseqval);
And new (temporary) function:
* VALUE rb_iseq_klass(VALUE iseqval);
* iseq.c. vm_core.h (int rb_iseq_first_lineno): remove
function `int rb_iseq_first_lineno(const rb_iseq_t *iseq)'.
Use `VALUE rb_iseq_first_lineno(VALUE iseqval)' instead.
* proc.c. vm_insnhelper.c, vm_method.c: catch up this change.
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of a refined method is not defined.
* vm_insnhelper.c (rb_method_entry_eq): added NULL check to avoid SEGV.
* test/ruby/test_refinement.rb: related test.
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* gc.c (obj_free): ditto
* internal.h (struct rb_classext_struct): ditto
* method.h (rb_method_entry): remove ent param
* vm_method.c: restore the global method cache. Per class cache tables
turned out to be far too slow.
[ruby-core:57289] [Bug #8930]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43027 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* vm_method.c (rb_add_refined_method_entry): clear cache in the
refined class since refining a method entry is modifying the class.
[ruby-core:57079] [Bug #8880]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42896 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* vm_method.c (obj_respond_to_missing): [DOC] respond_to_missing? is
used in the example of BasicObject.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42736 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
make classes/modules (who share method table) shady.
If module `a' and `b' shares method table m_tbl and new method
with iseq is added, then write barrier is applied only `a' or `b'.
To avoid this issue, shade such classes/modules.
* vm_method.c (rb_method_entry_make): add write barriers.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41580 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
parameter `slot'. You don't need to write a cast (VALUE *) any more.
* class.c, compile.c, hash.c, iseq.c, proc.c, re.c, variable.c,
vm.c, vm_method.c: remove cast expressions for OBJ_WRITE().
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41548 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* vm_method.c (set_visibility): use rb_method_flag_t as well as
set_method_visibility() and rename argument.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41110 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* vm_method.c (rb_method_entry_at): return the method entry for id at
klass, without ancestors.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40683 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* vm_method.c (rb_mod_public_method): fix visibility on anonymous
module. set visibility of singleton method, not method in base
class. [ruby-core:54404] [Bug #8284]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40346 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* vm_method.c (rb_export_method): directly override the flag of method
defined in prepending class too, not adding zsuper entry.
[ruby-core:53106] [Bug #8005]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39743 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* vm_method.c: call method_removed hook on called class, not on
prepending iclass.
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* proc.c (rb_method_entry_location, rb_{mod,obj}_method_location): new
functions to obtain source location of method definition.
* vm_method.c (rb_obj_respond_to): show the location of old style
respond_to? method.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39089 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* vm_method.c (rb_obj_respond_to): drop optional include_all flag if
respond_to? method is defined in old style. [Bug #7722]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39069 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* vm_method.c (call_cfunc_invoker_func): suppress wrong warnings
"C4550: expression evaluates to a function which is missing an
argument list." by VC6.
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should be private.
* proc.c (Init_Proc): main.define_method should be private.
* test/ruby/test_module.rb: related test.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38732 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This method type is for optimized CFUNC such as Fixnum#+ and so on.
This feature is half-baked and no way to use them.
[Background]
Now, VM has opt_plus instructions to optimize `+' methods for
some Classes (such as Fixnum, Float (flonum)). We call this
type of instructions as `specialized instructions'.
This simple technique improve simple program dramatically.
However, we can make specialized instructions for only several
types (classes) and selectors (method names) because a large
instruction will be slow. In other words, this technique has no
extensibility.
To overcome this problem, VM_METHOD_TYPE_CFUNC_FRAMELESS was
introduced (r37198). This type is a variant of CFUNC, but called
their functiions directly without building a method frame.
Any CFUNC method can be defined as frameless methods if a method
is not needed to make method frame. Frameless methods are faster
as specialized instructions (a bit slower, but no need to care).
No problem described at
http://charlie.bz/blog/why-do-singleton-methods-make-ruby-slow
because this technique doesn't see class, but see method body
itself. Alias is also no problem.
[Problem]
However, we can't set frameless method type for polymorphic methods
such as Array#[]. Necessity for method frame depends on which
parameter type. For example, Fixnum#+ needs method frame if
coerce is needed. Current VM_METHOD_TYPE_CFUNC_FRAMELESS is not
flexible and need more tuning to introduce it.
Expected behavior of frameless method type may be:
result = optimized_cfunc(params); /* call optimized cfunc */
if (result == Qundef) { result = normal_cfunc(); }
This is why I say this feature is half-baked.
We need to learn primitive method in Smalltalk more.
(I heard this name at RubyConf Taiwan this month. Thanks!)
[Conclusion]
Nobody may use this feature and there is no compatibility issue.
This feature goes to next minor (2.1?).
* proc.c (rb_method_entry_arity): ditto.
* vm_eval.c, vm_insnhelper.c, vm_method.c: ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38431 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
rb_resolve_refined_method() to search superclasses if
me->def->orig_me is 0. This change fixes make test-all
TESTS="json ruby/test_refinement.rb".
* test/ruby/test_refinement.rb: related test.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38297 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
refinements.
* proc.c (mnew): Kernel#method, Kernel#public_method,
Module#instance_method, and Module#public_instance_method should
not use refinements.
* vm_method.c (rb_method_boundp): Kernel#respond_to? should not use
refinements.
* test/ruby/test_refinement.rb: related test.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38279 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
entry with VM_METHOD_TYPE_REFINED holds only the original method
definition, so ci->me is set to a method entry allocated in the
stack, and it causes SEGV/ILL. In this commit, a method entry
with VM_METHOD_TYPE_REFINED holds the whole original method entry.
Furthermore, rb_thread_mark() is changed to mark cfp->klass to
avoid GC for iclasses created by copy_refinement_iclass().
* vm_method.c (rb_method_entry_make): add a method entry with
VM_METHOD_TYPE_REFINED to the class refined by the refinement if
the target module is a refinement. When a method entry with
VM_METHOD_TYPE_UNDEF is invoked by vm_call_method(), a method with
the same name is searched in refinements. If such a method is
found, the method is invoked. Otherwise, the original method in
the refined class (rb_method_definition_t::body.orig_me) is
invoked. This change is made to simplify the normal method lookup
and to improve the performance of normal method calls.
* vm_method.c (EXPR1, search_method, rb_method_entry),
vm_eval.c (rb_call0, rb_search_method_entry): do not use
refinements for method lookup.
* vm_insnhelper.c (vm_call_method): search methods in refinements if
ci->me is VM_METHOD_TYPE_REFINED. If the method is called by
super (i.e., ci->call == vm_call_super_method), skip the same
method entry as the current method to avoid infinite call of the
same method.
* class.c (include_modules_at): add a refined method entry for each
method defined in a module included in a refinement.
* class.c (rb_prepend_module): set an empty table to
RCLASS_M_TBL(klass) to add refined method entries, because
refinements should have priority over prepended modules.
* proc.c (mnew): use rb_method_entry_with_refinements() to get
a refined method.
* vm.c (rb_thread_mark): mark cfp->klass for iclasses created by
copy_refinement_iclass().
* vm.c (Init_VM), cont.c (fiber_init): initialize th->cfp->klass.
* test/ruby/test_refinement.rb (test_inline_method_cache): do not skip
the test because it should pass successfully.
* test/ruby/test_refinement.rb (test_redefine_refined_method): new
test for the case a refined method is redefined.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38236 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
VM_METHOD_TYPE_REFINED to the class refined by the refinement if
the target module is a refinement. When a method entry with
VM_METHOD_TYPE_UNDEF is invoked by vm_call_method(), a method with
the same name is searched in refinements. If such a method is
found, the method is invoked. Otherwise, the original method in
the refined class (rb_method_definition_t::body.orig_def) is
invoked. This change is made to simplify the normal method lookup
and to improve the performance of normal method calls.
* vm_method.c (EXPR1, search_method, rb_method_entry),
vm_eval.c (rb_call0, rb_search_method_entry): do not use
refinements for method lookup.
* vm_insnhelper.c (vm_call_method): search methods in refinements if
ci->me is VM_METHOD_TYPE_REFINED. If the method is called by
super (i.e., ci->call == vm_call_super_method), skip the same
method entry as the current method to avoid infinite call of the
same method.
* class.c (include_modules_at): add a refined method entry for each
method defined in a module included in a refinement.
* class.c (rb_prepend_module): set an empty table to
RCLASS_M_TBL(klass) to add refined method entries, because
refinements should have priority over prepended modules.
* proc.c (mnew): use rb_method_entry_with_refinements() to get
a refined method.
* test/ruby/test_refinement.rb (test_inline_method_cache): do not skip
the test because it should pass successfully.
* test/ruby/test_refinement.rb (test_redefine_refined_method): new
test for the case a refined method is redefined.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37993 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
refinement module, and don't override method_added.
* vm_method.c (rb_method_entry_make): check redefinition of
optimized methods when a method is added to a refinement module.
[ruby-core:48970] [Bug #7290]
* test/ruby/test_refinement.rb: related test.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37534 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
`rb_add_method_cfunc_frameless()' API.
This API is not mature to become an offical API.
For example, we can not use this API with
`rb_define_private_method()'.
* method.h, vm_method.c (rb_add_method_cfunc_frameless): removed.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37320 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
add a new otpimization and its macro `OPT_CALL_CFUNC_WITHOUT_FRAME'.
This optimization makes all cfunc method calls `frameless', which
is fster than ordinal cfunc method call.
If `frame' is needed (for example, it calls another method with
`rb_funcall()'), then build a frame. In other words, this
optimization delays frame building.
However, to delay the frame building, we need additional overheads:
(1) Store the last call information.
(2) Check the delayed frame buidling before the frame is needed.
(3) Overhead to build a delayed frame.
rb_thread_t::passed_ci is storage of delayed cfunc call information.
(1) is lightweight because it is only 1 assignment to `passed_ci'.
To achieve (2), we modify GET_THREAD() to check `passed_ci' every
time. It causes 10% overhead on my envrionment.
This optimization only works for cfunc methods which do not need
their `frame'.
After evaluation on my environment, this optimization does not
effective every time. Because of this evaluation results, this
optimization is disabled at default.
* vm_insnhelper.c, vm.c: add VM_PROFILE* macros to measure behaviour
of VM internals. I will extend this feature.
* vm_method.c, method.h: change parameters of the `invoker' function.
Receive `func' pointer as the first parameter.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37293 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
`invoker'. `invoker' function invoke cfunc body
(rb_method_cfunc_t::func).
`invoker' is set at method definition timing.
With this change, the big `switch' (branch) in `call_cfunc()'
is no longer needed.
However, the performance benefit is only a bit.
* vm_core.h (rb_call_info_t::aux::func): add a new field to store
cfunc body function pointer.
* vm_method.c (call_cfunc_invoker_func): add a new function which
returns a suitable invoke function.
* vm_method.c (setup_method_cfunc_struct): added.
* vm_method.c (rb_add_method): fix to set `invoker'.
* vm_eval.c (vm_call0_body): catch up above changes.
* vm_insnhelper.c (call_cfunc): removed.
* vm_insnhelper.c (vm_call_cfunc): fix to call cfunc body
with `invoker' function.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37268 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
rb_define_method_fast(). Defined method with this C API
does not make a method frame. It is bit lightweight than
ordinal C functions. Now only 0 or 1 argc are permitted.
* method.h (VM_METHOD_TYPE_CFUNC_FRAMELESS): rename macro name
from VM_METHOD_TYPE_CFUNC_FAST.
* vm_insnhelper.c, vm_method.c: rename related functions.
* proc.c (rb_method_entry_arity): catch up above changes.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37252 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This method is similar to VM_METHOD_TYPE_CFUNC methods, but
called cfunc without building new frame (does not push new control
frame). If error is occured in cfunc, the backtrace only shows
caller frame and upper.
This kind of methods can be added by rb_define_method_fast().
This feature is similar to specialized instructions (opt_plus, etc),
but more flexible (but a bit slower).
* class.c (rb_define_method_fast): added.
Maybe it will be renamed soon.
* vm_insnhelper.c (vm_call_method): support method type
VM_METHOD_TYPE_CFUNC_FAST.
* proc.c (rb_method_entry_arity): catch up new method type.
* vm_method.c (rb_add_method_cfunc_fast): added.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37198 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
enable/disable global method caching. [ruby-dev:46203] [Bug #7111]
* vm_method.c (rb_method_entry_get_with_omod): don't use global
method cache if OPT_GLOBAL_METHOD_CACHE is 0.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37106 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
argument of Module#refine.
* vm_method.c (search_method): if klass is an iclass, lookup the
original module of the iclass in omod in order to allow
refinements of modules.
* test/ruby/test_refinement.rb: add tests for the above changes.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37040 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
vm_insnhelper.c, vm_insnhelper.h, vm_method.c: add klass to
rb_control_frame_t to implement super correctly.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36595 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* string.c, vm_insnhelper.c, vm_method.c: use RB_TYPE_P() and
BUILTIN_TYPE() if possible.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36589 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* class.c (rb_include_module): include modules after the origin.
* class.c (include_modules_at): skip prepended modules.
* class.c (rb_prepend_module): now basic.klass in ICLASS refers the
old original class/module. [ruby-dev:45868][Bug #6662]
* class.c (rb_mod_ancestors): ditto.
* vm_method.c (search_method): search method entry from the origin
iclass.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36266 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* vm_method.c (remove_method): remove the method from the original
m_tbl on a prepended module.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36239 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* vm_method.c (rb_method_entry_make): use name of klass explicitly.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36233 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* vm_method.c (rb_method_entry_make): use NOEX_NOREDEF itself for the
condition.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36231 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
(1) rename rb_location_t to rb_iseq_location_t.
(2) rename field names of rb_iseq_location_t to adjust
RubyVM::Backtrace::Location methods.
(2-1) filename -> path
(2-2) filepath -> absolute_path
(2-3) basename -> base_label
(2-4) name -> label
(3) rename filed name rb_iseq_location_t#line_no to
rb_iseq_location_t#first_lineno to clear purpose of this field.
(4) The field names rb_binding_t#(filename|line_no) are also renamed
to rb_binding_t#(path|first_lineno).
* compile.c: apply above changes.
* iseq.c: ditto.
* proc.c: ditto.
* vm*.c: ditto.
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nobu pointed out that rb_method_basic_definition_p() is enough
for last commit.
* error.c, eval_error.c: change for above.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35770 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Backtrace information contains an array consists of location
information for each frames by string.
RubyVM::Backtrace object is lightweight backtrace information,
which contains complete information to generate traditional style
backtrace (an array of strings) with faster generation.
If someone accesses to backtrace information via
Exception#backtrace, then convert a RubyVM::Backtrace object to
traditonal style backtrace.
This change causes incompatibility on marshal dumpped binary
of Exception. If you have any trouble on it, please tell us
before Ruby 2.0 release.
Note that RubyVM::Backtrace object should not expose Ruby level.
* error.c, eval.c, vm_eval.c: ditto.
* internal.h: ditto.
* eval_error.c: fix to skip "set_backtrace" method invocation in
creating an exception object if it call a normal set_backtrace
method (defined by core).
* test/ruby/test_settracefunc.rb: fix for above change.
* vm_method.c (rb_method_defined_by): added. This function
checks that the given object responds with the given method
by the given cfunc.
* benchmark/bm_vm2_raise1.rb, benchmark/bm_vm2_raise2.rb:
add to measure exception creation speed. raise1 create
exception objects from shallow stack frame. raise2 create
exception objects from deep stack frame.
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information.
rb_location_t#filename, filepath, name and line_no was moved from
rb_iseq_t. rb_location_t#basename is a new field which is
similar to `name' field without any decoration.
`name' field contains some decoration such as `block in foo'.
`basename' only contains `foo'.
rb_iseq_t contains memory object of rb_location_t.
* iseq.c: setup rb_location_t for each rb_iseq_t memory objects.
* compile.c, proc.c, vm.c, vm_dump.c, vm_eval.c, vm_insnhelper.c,
vm_method.c: support about it.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35756 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
[Bug #6048]. Isolate hash computation for proc
* internal.h: Declaration for above
* vm_method.c (rb_method_definition_hash): Computation for
hash part of a method definition
* method.h: Declaration for above
* test/ruby/test_method.rb: Test for above
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obj.respond_to?(:a_protected_method) should return false because
calling a protected method may cause NoMethodError if called
from outside the class inheritance tree. Kernel#respond_to? is
mostly used to test if it is safe to call a method, so the false
positive should be avoided. [ruby-dev:40461] [ruby-dev:41739]
[ruby-dev:41837]
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is passwd to Module#private_constant. [ruby-list:48558]
* vm_method.c (set_method_visibility): ditto for
Module#private_class_method.
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Manage a redefinition of special methods for each classes.
A patch from Joel Gouly <joel.gouly@gmail.com>. Thanks!
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to solve an issue reported at [ruby-dev:44413] [Ruby 1.9 - Bug #5217].
Before this fix, each instruction has an information including
line number (iseq::iseq_insn_info_table). Instead of this data
structure, recording only line number changing places
(iseq::iseq_line_info_table).
The order of entries in iseq_line_info_table is ascending order of
iseq_line_info_table_entry::position. You can get a line number
by an iseq and a program counter with this data structure.
This fix reduces memory consumption of iseq (bytecode).
On my measurement, a rails application consumes 21.8MB for
iseq with this fix on the 32bit CPU. Without this fix, it
consumes 24.7MB for iseq [ruby-dev:44415].
* proc.c: ditto.
* vm_insnhelper.c: ditto.
* vm_method.c: ditto.
* vm.c (rb_vm_get_sourceline): change to use rb_iseq_line_no().
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NameError for undefined method.
* load.c (rb_mod_autoload_p), object.c (rb_mod_const_get),
variable.c (rb_f_untrace_var, set_const_visibility), vm_method.c
(rb_mod_{remove,undef,alias}_method, set_method_visibility):
remove inadvertent symbol creation. based on the first patch by
Jeremy Evans at [ruby-core:38447]. [Feature #5089]
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case. based on the patch by Jeremy Evans at [ruby-core:38417].
[Feature #5072]
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based on the second patch by Jeremy Evans at [ruby-core:38447]
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(rb_gc_mark_unlinked_live_method_entries): fix SEGV bug.
rb_method_entry_t was free'd even when the method is still on the
stack if it is BMETHOD (i.e., Method#call). This is because
rb_method_entry_t is embedded in struct METHOD. This commit
separates them and marks the live method entries.
See [ruby-core:38449] in detail. fix [Bug #5047] [ruby-core:38171]
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avoid inadvertent symbol creation in reflection methods. based
on a patch by Jeremy Evans at [ruby-core:38367]. [Feature #5072]
* vm_method.c (rb_mod_method_defined)
(rb_mod_{public,private,protected}_method_defined)
(obj_respond_to): ditto.
* parse.y (rb_check_id): new function returns already interned ID
or 0.
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* compile.c, eval.c, iseq.c, object.c, parse.y, proc.c, process.c,
thread.c, vm.c, vm_eval.c, vm_insnhelper.c, vm_method.c: don't
declare internal functions.
Note that rb_method_entry_eq() is defined in vm_method.c but
there was a declaration in proc.c with different const-ness.
Now it is declared in method.h with same const-ness to the
definition.
* object.c (rb_mod_module_exec): don't declare functions declared in
include/ruby/intern.h.
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ruby_vm_global_state_version and related macros
from vm_core.h to vm_insnhelper.h.
* vm.c (vm_clear_all_cache): added. This function is called
when ruby_vm_global_state_version overflows.
TODO: vm_clear_all_inline_method_cache() is only place holder.
We need to implement it ASAP.
* vm_method.c (vm_clear_global_method_cache): added.
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* vm_method.c (rb_method_entry_get_without_cache, rb_method_entry):
Fill method cache entry with vm state version, and
check current vm state version for method (cache) look up.
This modification speed-up invaridating of global method cache table.
[Ruby 1.9 - Feature #3905] [ruby-core:36908]
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environment variables. based on a patch from funny-falcon at
https://gist.github.com/856296, but honors safe level.
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transcode.c, variable.c, vm.c, vm_insnhelper.c, vm_method.c:
replace calls to rb_error_frozen() with rb_check_frozen(). a
patch from Run Paint Run Run at [ruby-core:32014]
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