зеркало из https://github.com/github/ruby.git
* ruby.c: revert r37298.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37816 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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@ -1,3 +1,7 @@
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Fri Nov 23 12:33:01 2012 Tadayoshi Funaba <tadf@dotrb.org>
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* ruby.c: revert r37298.
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Fri Nov 23 11:40:13 2012 Tadayoshi Funaba <tadf@dotrb.org>
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* test/ruby/test_rubyoptions.rb (TestRubyOptions#test_usage2):
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105
ruby.c
105
ruby.c
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@ -52,14 +52,6 @@
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char *getenv();
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#endif
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#define numberof(array) (int)(sizeof(array) / sizeof((array)[0]))
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#if defined DISABLE_RUBYGEMS && DISABLE_RUBYGEMS
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#define DEFAULT_RUBYGEMS_ENABLED "disabled"
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#else
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#define DEFAULT_RUBYGEMS_ENABLED "enabled"
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#endif
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#define DISABLE_BIT(bit) (1U << disable_##bit)
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enum disable_flag_bits {
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disable_gems,
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@ -73,7 +65,6 @@ enum dump_flag_bits {
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dump_version_v,
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dump_copyright,
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dump_usage,
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dump_help,
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dump_yydebug,
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dump_syntax,
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dump_parsetree,
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@ -132,73 +123,42 @@ static struct {
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} origarg;
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static void
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usage(const char *name, int help)
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usage(const char *name)
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{
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/* This message really ought to be max 23 lines.
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* Removed -h because the user already knows that option. Others? */
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struct message {
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const char *str;
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unsigned short namelen, secondlen;
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static const char *const usage_msg[] = {
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"-0[octal] specify record separator (\\0, if no argument)",
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"-a autosplit mode with -n or -p (splits $_ into $F)",
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"-c check syntax only",
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"-Cdirectory cd to directory, before executing your script",
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"-d set debugging flags (set $DEBUG to true)",
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"-e 'command' one line of script. Several -e's allowed. Omit [programfile]",
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"-Eex[:in] specify the default external and internal character encodings",
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"-Fpattern split() pattern for autosplit (-a)",
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"-i[extension] edit ARGV files in place (make backup if extension supplied)",
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"-Idirectory specify $LOAD_PATH directory (may be used more than once)",
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"-l enable line ending processing",
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"-n assume 'while gets(); ... end' loop around your script",
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"-p assume loop like -n but print line also like sed",
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"-rlibrary require the library, before executing your script",
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"-s enable some switch parsing for switches after script name",
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"-S look for the script using PATH environment variable",
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"-T[level=1] turn on tainting checks",
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"-v print version number, then turn on verbose mode",
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"-w turn warnings on for your script",
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"-W[level=2] set warning level; 0=silence, 1=medium, 2=verbose",
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"-x[directory] strip off text before #!ruby line and perhaps cd to directory",
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"--copyright print the copyright",
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"--version print the version",
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NULL
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};
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#define M(shortopt, longopt, desc) { \
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shortopt " " longopt " " desc, \
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(unsigned short)sizeof(shortopt), \
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(unsigned short)sizeof(longopt), \
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}
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static const struct message usage_msg[] = {
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M("-0[octal]", "", "specify record separator (\\0, if no argument)"),
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M("-a", "", "autosplit mode with -n or -p (splits $_ into $F)"),
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M("-c", "", "check syntax only"),
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M("-Cdirectory", "", "cd to directory before executing your script"),
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M("-d", ", --debug", "set debugging flags (set $DEBUG to true)"),
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M("-e 'command'", "", "one line of script. Several -e's allowed. Omit [programfile]"),
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M("-Eex[:in]", ", --encoding=ex[:in]", "specify the default external and internal character encodings"),
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M("-Fpattern", "", "split() pattern for autosplit (-a)"),
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M("-i[extension]", "", "edit ARGV files in place (make backup if extension supplied)"),
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M("-Idirectory", "", "specify $LOAD_PATH directory (may be used more than once)"),
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M("-l", "", "enable line ending processing"),
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M("-n", "", "assume 'while gets(); ... end' loop around your script"),
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M("-p", "", "assume loop like -n but print line also like sed"),
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M("-rlibrary", "", "require the library before executing your script"),
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M("-s", "", "enable some switch parsing for switches after script name"),
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M("-S", "", "look for the script using PATH environment variable"),
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M("-T[level=1]", "", "turn on tainting checks"),
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M("-v", ", --verbose", "print version number, then turn on verbose mode"),
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M("-w", "", "turn warnings on for your script"),
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M("-W[level=2]", "", "set warning level; 0=silence, 1=medium, 2=verbose"),
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M("-x[directory]", "", "strip off text before #!ruby line and perhaps cd to directory"),
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M("-h", "", "show this message, --help for more info"),
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};
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static const struct message help_msg[] = {
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M("--copyright", "", "print the copyright"),
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M("--enable=feature[,...]", "", "enable features"),
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M("--disable=feature[,...]", "", "disable features"),
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M("--internal-encoding=encoding", "", "specify the default internal character encoding"),
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M("--external-encoding=encoding", "", "specify the default external character encoding"),
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M("--version", "", "print the version"),
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M("--help", "", "show this message, -h for short message"),
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};
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static const struct message features[] = {
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M("gems", "", "rubygems (default: "DEFAULT_RUBYGEMS_ENABLED")"),
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M("rubyopt", "", "RUBYOPT environment variable (default: enabled)"),
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};
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int i, w = help ? 32 : 16, num = numberof(usage_msg) - (help ? 1 : 0);
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#define SHOW(m) printf(" %.*s%-*.*s%s\n", (m).namelen-1, (m).str, \
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w - (m).namelen + 1, (help ? (m).secondlen-1 : 0), (m).str + (m).namelen, \
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(m).str + (m).namelen + (m).secondlen)
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const char *const *p = usage_msg;
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printf("Usage: %s [switches] [--] [programfile] [arguments]\n", name);
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for (i = 0; i < num; ++i)
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SHOW(usage_msg[i]);
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if (!help) return;
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for (i = 0; i < numberof(help_msg); ++i)
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SHOW(help_msg[i]);
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puts("Features:");
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for (i = 0; i < numberof(features); ++i)
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SHOW(features[i]);
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while (*p)
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printf(" %s\n", *p++);
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}
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#ifdef MANGLED_PATH
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@ -726,7 +686,6 @@ dump_option(const char *str, int len, void *arg)
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SET_WHEN_DUMP(version);
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SET_WHEN_DUMP(copyright);
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SET_WHEN_DUMP(usage);
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SET_WHEN_DUMP(help);
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SET_WHEN_DUMP(yydebug);
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SET_WHEN_DUMP(syntax);
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SET_WHEN_DUMP(parsetree);
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@ -1111,7 +1070,7 @@ proc_options(long argc, char **argv, struct cmdline_options *opt, int envopt)
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}
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else if (strcmp("help", s) == 0) {
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if (envopt) goto noenvopt_long;
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opt->dump |= DUMP_BIT(help);
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opt->dump |= DUMP_BIT(usage);
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goto switch_end;
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}
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else {
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@ -1308,8 +1267,8 @@ process_options(int argc, char **argv, struct cmdline_options *opt)
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argc -= i;
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argv += i;
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if (opt->dump & (DUMP_BIT(usage)|DUMP_BIT(help))) {
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usage(origarg.argv[0], (opt->dump & DUMP_BIT(help)));
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if (opt->dump & DUMP_BIT(usage)) {
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usage(origarg.argv[0]);
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return Qtrue;
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}
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