ruby/version.c at master · ruby/ruby

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	/**********************************************************************

	version.c -

	$Author$
	created at: Thu Sep 30 20:08:01 JST 1993

	Copyright (C) 1993-2007 Yukihiro Matsumoto

	**********************************************************************/

	#include "internal/cmdlineopt.h"
	#include "ruby/ruby.h"
	#include "version.h"
	#include "vm_core.h"
	#include "rjit.h"
	#include "yjit.h"
	#include <stdio.h>

	#ifndef EXIT_SUCCESS
	#define EXIT_SUCCESS 0
	#endif

	#ifdef RUBY_REVISION
	# if RUBY_PATCHLEVEL == -1
	# ifndef RUBY_BRANCH_NAME
	# define RUBY_BRANCH_NAME "master"
	# endif
	# define RUBY_REVISION_STR " "RUBY_BRANCH_NAME" "RUBY_REVISION
	# else
	# define RUBY_REVISION_STR " revision "RUBY_REVISION
	# endif
	#else
	# define RUBY_REVISION "HEAD"
	# define RUBY_REVISION_STR ""
	#endif
	#if !defined RUBY_RELEASE_DATETIME \|\| RUBY_PATCHLEVEL != -1
	# undef RUBY_RELEASE_DATETIME
	# define RUBY_RELEASE_DATETIME RUBY_RELEASE_DATE
	#endif

	# define RUBY_DESCRIPTION_WITH(opt) \
	"ruby " RUBY_VERSION RUBY_PATCHLEVEL_STR " " \
	"(" RUBY_RELEASE_DATETIME RUBY_REVISION_STR ")" opt " " \
	"[" RUBY_PLATFORM "]"

	#define PRINT(type) puts(ruby_##type)
	#define MKSTR(type) rb_obj_freeze(rb_usascii_str_new_static(ruby_##type, sizeof(ruby_##type)-1))
	#define MKINT(name) INT2FIX(ruby_##name)

	const int ruby_api_version[] = {
	RUBY_API_VERSION_MAJOR,
	RUBY_API_VERSION_MINOR,
	RUBY_API_VERSION_TEENY,
	};
	#define RUBY_VERSION \
	STRINGIZE(RUBY_VERSION_MAJOR) "." \
	STRINGIZE(RUBY_VERSION_MINOR) "." \
	STRINGIZE(RUBY_VERSION_TEENY) ""
	#ifndef RUBY_FULL_REVISION
	# define RUBY_FULL_REVISION RUBY_REVISION
	#endif
	#ifdef YJIT_SUPPORT
	#define YJIT_DESCRIPTION " +YJIT " STRINGIZE(YJIT_SUPPORT)
	#else
	#define YJIT_DESCRIPTION " +YJIT"
	#endif
	const char ruby_version[] = RUBY_VERSION;
	const char ruby_revision[] = RUBY_FULL_REVISION;
	const char ruby_release_date[] = RUBY_RELEASE_DATE;
	const char ruby_platform[] = RUBY_PLATFORM;
	const int ruby_patchlevel = RUBY_PATCHLEVEL;
	const char ruby_description[] = RUBY_DESCRIPTION_WITH("");
	static const char ruby_description_with_rjit[] = RUBY_DESCRIPTION_WITH(" +RJIT");
	static const char ruby_description_with_yjit[] = RUBY_DESCRIPTION_WITH(YJIT_DESCRIPTION);
	const char ruby_copyright[] = "ruby - Copyright (C) "
	RUBY_BIRTH_YEAR_STR "-" RUBY_RELEASE_YEAR_STR " "
	RUBY_AUTHOR;
	const char ruby_engine[] = "ruby";

	// Might change after initialization
	const char *rb_dynamic_description = ruby_description;

	/! Defines platform-depended Ruby-level constants /
	void
	Init_version(void)
	{
	enum {ruby_patchlevel = RUBY_PATCHLEVEL};
	VALUE version;
	VALUE ruby_engine_name;
	/*
	* The running version of ruby
	*/
	rb_define_global_const("RUBY_VERSION", (version = MKSTR(version)));
	/*
	* The date this ruby was released
	*/
	rb_define_global_const("RUBY_RELEASE_DATE", MKSTR(release_date));
	/*
	* The platform for this ruby
	*/
	rb_define_global_const("RUBY_PLATFORM", MKSTR(platform));
	/*
	* The patchlevel for this ruby. If this is a development build of ruby
	* the patchlevel will be -1
	*/
	rb_define_global_const("RUBY_PATCHLEVEL", MKINT(patchlevel));
	/*
	* The GIT commit hash for this ruby.
	*/
	rb_define_global_const("RUBY_REVISION", MKSTR(revision));
	/*
	* The copyright string for ruby
	*/
	rb_define_global_const("RUBY_COPYRIGHT", MKSTR(copyright));
	/*
	* The engine or interpreter this ruby uses.
	*/
	rb_define_global_const("RUBY_ENGINE", ruby_engine_name = MKSTR(engine));
	ruby_set_script_name(ruby_engine_name);
	/*
	* The version of the engine or interpreter this ruby uses.
	*/
	rb_define_global_const("RUBY_ENGINE_VERSION", (1 ? version : MKSTR(version)));

	rb_provide("ruby2_keywords.rb");
	}

	#if USE_RJIT
	#define RJIT_OPTS_ON opt->rjit.on
	#else
	#define RJIT_OPTS_ON 0
	#endif

	#if USE_YJIT
	#define YJIT_OPTS_ON opt->yjit
	#else
	#define YJIT_OPTS_ON 0
	#endif

	void
	Init_ruby_description(ruby_cmdline_options_t *opt)
	{
	VALUE description;

	if (RJIT_OPTS_ON) {
	rb_dynamic_description = ruby_description_with_rjit;
	description = MKSTR(description_with_rjit);
	}
	else if (YJIT_OPTS_ON) {
	rb_dynamic_description = ruby_description_with_yjit;
	description = MKSTR(description_with_yjit);
	}
	else {
	description = MKSTR(description);
	}

	/*
	* The full ruby version string, like <tt>ruby -v</tt> prints
	*/
	rb_define_global_const("RUBY_DESCRIPTION", /* MKSTR(description) */ description);
	}

	void
	ruby_show_version(void)
	{
	puts(rb_dynamic_description);

	#ifdef RUBY_LAST_COMMIT_TITLE
	fputs("last_commit=" RUBY_LAST_COMMIT_TITLE, stdout);
	#endif
	#ifdef HAVE_MALLOC_CONF
	if (malloc_conf) printf("malloc_conf=%s\n", malloc_conf);
	#endif
	fflush(stdout);
	}

	void
	ruby_show_copyright(void)
	{
	PRINT(copyright);
	fflush(stdout);
	}