40b5f2b85d
memo.float_value might change inside of hash_sum. In case it
flipped from false to true there, and the calculated sum is Inf,
memo.c might not be initialized at all. This is bad.
Found using memory sanitizer:
==55293==WARNING: MemorySanitizer: use-of-uninitialized-value
#0 0x55dfb8d6c529 in rb_float_new_inline internal.h:1814:53
#1 0x55dfb8d1b30c in enum_sum enum.c:4017:18
#2 0x55dfb86d75ad in call_cfunc_m1 vm_insnhelper.c:2041:12
#3 0x55dfb864b141 in vm_call_cfunc_with_frame vm_insnhelper.c:2207:11
#4 0x55dfb85e843d in vm_call_cfunc vm_insnhelper.c:2225:12
#5 0x55dfb85e08f3 in vm_call_method_each_type vm_insnhelper.c:2560:9
#6 0x55dfb85de9c7 in vm_call_method vm_insnhelper.c:2686:13
#7 0x55dfb849eac6 in vm_call_general vm_insnhelper.c:2730:12
#8 0x55dfb8686103 in vm_sendish vm_insnhelper.c:3623:11
#9 0x55dfb84dc29e in vm_exec_core insns.def:789:11
|
||
|---|---|---|
| basictest | ||
| benchmark | ||
| bin | ||
| bootstraptest | ||
| ccan | ||
| coroutine | ||
| coverage | ||
| cygwin | ||
| defs | ||
| doc | ||
| enc | ||
| ext | ||
| gems | ||
| include | ||
| lib | ||
| libexec | ||
| man | ||
| misc | ||
| missing | ||
| sample | ||
| spec | ||
| template | ||
| test | ||
| tool | ||
| win32 | ||
| .dir-locals.el | ||
| .document | ||
| .editorconfig | ||
| .gdbinit | ||
| .gitattributes | ||
| .gitignore | ||
| .indent.pro | ||
| .travis.yml | ||
| aclocal.m4 | ||
| addr2line.c | ||
| addr2line.h | ||
| appveyor.yml | ||
| array.c | ||
| ast.c | ||
| azure-pipelines.yml | ||
| bignum.c | ||
| BSDL | ||
| class.c | ||
| common.mk | ||
| compar.c | ||
| compile.c | ||
| complex.c | ||
| configure.ac | ||
| constant.h | ||
| cont.c | ||
| CONTRIBUTING.md | ||
| COPYING | ||
| COPYING.ja | ||
| debug.c | ||
| debug_counter.c | ||
| debug_counter.h | ||
| dir.c | ||
| dln.c | ||
| dln.h | ||
| dln_find.c | ||
| dmydln.c | ||
| dmyenc.c | ||
| dmyext.c | ||
| encindex.h | ||
| encoding.c | ||
| enum.c | ||
| enumerator.c | ||
| error.c | ||
| eval.c | ||
| eval_error.c | ||
| eval_intern.h | ||
| eval_jump.c | ||
| file.c | ||
| gc.c | ||
| gc.h | ||
| gem_prelude.rb | ||
| golf_prelude.rb | ||
| goruby.c | ||
| GPL | ||
| hash.c | ||
| hrtime.h | ||
| ia64.S | ||
| id_table.c | ||
| id_table.h | ||
| inits.c | ||
| insns.def | ||
| internal.h | ||
| io.c | ||
| iseq.c | ||
| iseq.h | ||
| KNOWNBUGS.rb | ||
| LEGAL | ||
| lex.c.blt | ||
| load.c | ||
| loadpath.c | ||
| localeinit.c | ||
| main.c | ||
| Makefile.in | ||
| marshal.c | ||
| math.c | ||
| method.h | ||
| miniinit.c | ||
| mjit.c | ||
| mjit.h | ||
| mjit_compile.c | ||
| mjit_worker.c | ||
| NEWS | ||
| node.c | ||
| node.h | ||
| numeric.c | ||
| object.c | ||
| pack.c | ||
| parse.y | ||
| prelude.rb | ||
| probes.d | ||
| probes_helper.h | ||
| proc.c | ||
| process.c | ||
| random.c | ||
| range.c | ||
| rational.c | ||
| re.c | ||
| README.EXT | ||
| README.EXT.ja | ||
| README.ja.md | ||
| README.md | ||
| regcomp.c | ||
| regenc.c | ||
| regenc.h | ||
| regerror.c | ||
| regexec.c | ||
| regint.h | ||
| regparse.c | ||
| regparse.h | ||
| regsyntax.c | ||
| ruby-runner.c | ||
| ruby.c | ||
| ruby_assert.h | ||
| ruby_atomic.h | ||
| rubystub.c | ||
| safe.c | ||
| signal.c | ||
| siphash.c | ||
| siphash.h | ||
| sparc.c | ||
| sprintf.c | ||
| st.c | ||
| strftime.c | ||
| string.c | ||
| struct.c | ||
| symbol.c | ||
| symbol.h | ||
| thread.c | ||
| thread_pthread.c | ||
| thread_pthread.h | ||
| thread_sync.c | ||
| thread_win32.c | ||
| thread_win32.h | ||
| time.c | ||
| timev.h | ||
| transcode.c | ||
| transcode_data.h | ||
| transient_heap.c | ||
| transient_heap.h | ||
| util.c | ||
| variable.c | ||
| version.c | ||
| version.h | ||
| vm.c | ||
| vm_args.c | ||
| vm_backtrace.c | ||
| vm_core.h | ||
| vm_debug.h | ||
| vm_dump.c | ||
| vm_eval.c | ||
| vm_exec.c | ||
| vm_exec.h | ||
| vm_insnhelper.c | ||
| vm_insnhelper.h | ||
| vm_method.c | ||
| vm_opts.h | ||
| vm_trace.c | ||
| vsnprintf.c | ||
| wercker.yml | ||
What's Ruby
Ruby is the interpreted scripting language for quick and easy object-oriented programming. It has many features to process text files and to manage system (as in Perl). It is simple, straight-forward, and extensible.
Features of Ruby
- Simple Syntax
- Normal Object-oriented Features (e.g. class, method calls)
- Advanced Object-oriented Features (e.g. mix-in, singleton-method)
- Operator Overloading
- Exception Handling
- Iterators and Closures
- Garbage Collection
- Dynamic Loading of Object Files (on some architectures)
- Highly Portable (works on many Unix-like/POSIX compatible platforms as well as Windows, macOS, Haiku, etc.) cf. https://github.com/ruby/ruby/blob/trunk/doc/contributing.rdoc#platform-maintainers
How to get Ruby
For a complete list of ways to install Ruby, including using third-party tools like rvm, see:
https://www.ruby-lang.org/en/downloads/
Git
The mirror of the Ruby source tree can be checked out with the following command:
$ git clone https://github.com/ruby/ruby.git
There are some other branches under development. Try the following command to see the list of branches:
$ git ls-remote https://github.com/ruby/ruby.git
You may also want to use https://git.ruby-lang.org/ruby.git (actual trunk of Ruby source) for better latency in Japan.
Subversion
Stable branches for older Ruby versions can be checked out with the following command:
$ svn co https://svn.ruby-lang.org/repos/ruby/branches/ruby_2_6/ ruby
Try the following command to see the list of branches:
$ svn ls https://svn.ruby-lang.org/repos/ruby/branches/
Ruby home page
Mailing list
There is a mailing list to discuss Ruby. To subscribe to this list, please send the following phrase:
subscribe
in the mail body (not subject) to the address ruby-talk-request@ruby-lang.org.
How to compile and install
-
If you want to use Microsoft Visual C++ to compile Ruby, read win32/README.win32 instead of this document.
-
If
./configuredoes not exist or is older thanconfigure.ac, runautoconfto (re)generate configure. -
Run
./configure, which will generateconfig.handMakefile.Some C compiler flags may be added by default depending on your environment. Specify
optflags=..andwarnflags=..as necessary to override them. -
Edit
defines.hif you need. Usually this step will not be needed. -
Remove comment mark(
#) before the module names fromext/Setup(or add module names if not present), if you want to link modules statically.If you don't want to compile non static extension modules (probably on architectures which do not allow dynamic loading), remove comment mark from the line "
#option nodynamic" inext/Setup.Usually this step will not be needed.
-
Run
make.- On Mac, set RUBY_CODESIGN environment variable with a signing identity.
It uses the identity to sign
rubybinary. See also codesign(1).
- On Mac, set RUBY_CODESIGN environment variable with a signing identity.
It uses the identity to sign
-
Optionally, run '
make check' to check whether the compiled Ruby interpreter works well. If you see the message "check succeeded", your Ruby works as it should (hopefully). -
Optionally, run
make update-gemsandmake extract-gems.If you want to install bundled gems, run
make update-gemsandmake extract-gemsbefore runningmake install. -
Run '
make install'.This command will create the following directories and install files into them.
${DESTDIR}${prefix}/bin${DESTDIR}${prefix}/include/ruby-${MAJOR}.${MINOR}.${TEENY}${DESTDIR}${prefix}/include/ruby-${MAJOR}.${MINOR}.${TEENY}/${PLATFORM}${DESTDIR}${prefix}/lib${DESTDIR}${prefix}/lib/ruby${DESTDIR}${prefix}/lib/ruby/${MAJOR}.${MINOR}.${TEENY}${DESTDIR}${prefix}/lib/ruby/${MAJOR}.${MINOR}.${TEENY}/${PLATFORM}${DESTDIR}${prefix}/lib/ruby/site_ruby${DESTDIR}${prefix}/lib/ruby/site_ruby/${MAJOR}.${MINOR}.${TEENY}${DESTDIR}${prefix}/lib/ruby/site_ruby/${MAJOR}.${MINOR}.${TEENY}/${PLATFORM}${DESTDIR}${prefix}/lib/ruby/vendor_ruby${DESTDIR}${prefix}/lib/ruby/vendor_ruby/${MAJOR}.${MINOR}.${TEENY}${DESTDIR}${prefix}/lib/ruby/vendor_ruby/${MAJOR}.${MINOR}.${TEENY}/${PLATFORM}${DESTDIR}${prefix}/lib/ruby/gems/${MAJOR}.${MINOR}.${TEENY}${DESTDIR}${prefix}/share/man/man1${DESTDIR}${prefix}/share/ri/${MAJOR}.${MINOR}.${TEENY}/system
If Ruby's API version is 'x.y.z', the
${MAJOR}is 'x', the${MINOR}is 'y', and the${TEENY}is 'z'.NOTE: teeny of the API version may be different from one of Ruby's program version
You may have to be a super user to install Ruby.
If you fail to compile Ruby, please send the detailed error report with the error log and machine/OS type, to help others.
Some extension libraries may not get compiled because of lack of necessary
external libraries and/or headers, then you will need to run 'make distclean-ext'
to remove old configuration after installing them in such case.
Copying
See the file COPYING.
Feedback
Questions about the Ruby language can be asked on the Ruby-Talk mailing list (https://www.ruby-lang.org/en/community/mailing-lists) or on websites like (https://stackoverflow.com).
Bugs should be reported at https://bugs.ruby-lang.org. Read HowToReport for more information.
Contributing
See the file CONTRIBUTING.md
The Author
Ruby was originally designed and developed by Yukihiro Matsumoto (Matz) in 1995.