--
* class.c (Init_class_hierarchy): should name BasicObject
  explicitly.

* variable.c (rb_const_defined_0): should not check for
  superclasses as const_get.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_2@32925 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

--
* variable.c (rb_const_get_0): should not look for superclasses if
  the second optional argument is given for #const_get().
  fix [Bug #3422] [Bug #3423]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_2@32917 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

--
* prevent temporary objects from GC, and should not use
  RSTRING_PTR() for function calls since it evaluates the argument
  a couple of times.
--
* thread.c (exec_recursive): prevent temporary objects from GC.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_2@31765 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

            Harmonize "#=>" in examples. [ruby-core:30206]

* bignum.c: ditto

* class.c: ditto

* compar.c: ditto

* cont.c: ditto

* dir.c: ditto

* encoding.c: ditto

* enum.c: ditto

* enumerator.c: ditto

* error.c: ditto

* eval.c: ditto

* file.c: ditto

* gc.c: ditto

* hash.c: ditto

* io.c: ditto

* load.c: ditto

* marshal.c: ditto

* math.c: ditto

* numeric.c: ditto

* object.c: ditto

* pack.c: ditto

* proc.c: ditto

* process.c: ditto

* random.c: ditto

* range.c: ditto

* re.c: ditto

* ruby.c: ditto

* signal.c: ditto

* sprintf.c: ditto

* string.c: ditto

* struct.c: ditto

* thread.c: ditto

* time.c: ditto

* transcode.c: ditto

* variable.c: ditto

* vm_eval.c: ditto

* vm_method.c: ditto

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_2@27870 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

  TMP_RUBY_PREFIX.

* variable.c (rb_mod_remove_const): new function.

* tool/compile_prelude.rb: split each preludes.


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* defs/dtrace.d: new file. defined a dtrace provider "ruby".

* include/ruby/ruby.h (LIKELY): moved from vm.c.
  (UNLIKELY): ditto.
  (OBJSETUP): probe "object-create".
  (RUBY_EVENT_RESCUE): new event.

* vm_exec.c (DEBUG_ENTER_INSN): embeded a probe insn-entry into it.
  (DEBUG_END_INSN): insn-return.

* vm.c (LIKELY): moved into ruby.h.
  (UNLIKELY): ditto.
  (Init_BareVM): embeded a probe "raise" into it.

* variable.c (rb_class2name_without_alloc): new utility function.

* tool/rbinstall.rb (install?(:ext, :arch, :'ext-arch')): installs 
  dtrace.d if necessary.

* thread_pthread.c (add_signal_thread_list): probe "raise".
  (rb_thread_create_timer_thread): ditto.

* thread.c (rb_thread_schedule_rec): probes "thread-enter" and
  "thread-leave",
  (thread_start_func_2): ditto.
  (thread_cleanup_func): probe "thread-term"

* lib/mkmf.rb: supports dtrace postprocessor on making an extension.

* iseq.c (rb_vm_insn_name): new utility function.
  (rb_vm_insn_len): ditto.

* insns.def (hook): probes "method-etnry", "method-return", "line",
  and "rescue".

* compile.c (iseq_compile_each): adds a trace op for "rescue" probe.

* gc.c (garbage_collect): probes "gc-begin" and "gc-end".
  (obj_free): probe "object-free"
  (garbage_collect_with_gvl): probe "raise"
  (negative_size_allocation_error): ditto.
  (rb_memerror): ditto.

* eval.c (rb_rescue2): probe "rescue"
  (rb_longjmp): probe "raise"

* ext/probe/probe.c: new extension for application defined probes.

* ext/probe/extconf.rb: ditto.

* configure.in (--with-tracing-model): new option to choose a tracing
  mechanism.
  (DTRACE): new substitution. name of dtrace(1).
  (RUBY_TRACING_MODEL): new substitution.
  (DTRACE_OBJ): ditto.
  (MINIDTRACE_OBJ): ditto.
  (GOLFDTRACE_OBJ): ditto.
  (LIBRUBY_DTRACE_OBJ): ditto.
  (RUBY_DTRACE_POSTPROCESS): new macro. checks whether the dtrace on 
  the system needs postprocessing.
  (RUBY_DTRACE_BSD_BROKEN): new macro. checks whether the dtrace
  supports USDT.

* Makefile.in: 
  (DTRACE): new variable. name of dtrace(1).
  (TRACING_MODEL): new variable. name of the chosen tracing mechanism.
  (DTRACE_OBJ): same as the one in configure.in.
  (MINIDTRACE_OBJ): ditto.
  (GOLFDTRACE_OBJ): ditto.
  (LIBRUBY_DTRACE_OBJ): ditto.
  (CPPOUTFILE): new substitution. necessary for generating dtrace.d
  (trace_none.h): new target for TRACING_MODEL=none
  (RUBY_H_INCLUDES): appended a header for tracing.
  (distclean-local): also removes preprocessed version of dtrace.d
  ($(LIBRUBY_A)): needs $(LIBRUBY_DTRACE_OBJ) if dtrace needs 
  postprocessing.
  ($(PROGRAM)): ditto.
  (golf): ditto.
  (miniruby): ditto.
  ($(arch_hdrdir)/ruby/dtrace.d): new target. preprocessed verson 
  of defs/dtrace.d. generated if necessary.
  ($(arch_hdrdir)/ruby/trace_dtrace.h): new target.
  definition of probes.
  ($(LIBRUBY_DTRACE_OBJ)): new target. generated if dtrace needs 
  postprocessing.
  ($(DTRACE_OBJ)): ditto.
  ($(MINIDTRACE_OBJ)): ditto.
  ($(GOLFDTRACE_OBJ)): ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@26235 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

  marshal_dump.   [ruby-core:24211]

* variable.c (rb_ivar_count): added.


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