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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@520 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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matz 1999-08-13 05:45:20 +00:00
parent fcd020c830
commit 65a5162550
156 changed files with 21888 additions and 18301 deletions

225
ruby.c
View file

@ -6,7 +6,7 @@
$Date$
created at: Tue Aug 10 12:47:31 JST 1993
Copyright (C) 1993-1998 Yukihiro Matsumoto
Copyright (C) 1993-1999 Yukihiro Matsumoto
************************************************/
@ -18,7 +18,6 @@
#include "node.h"
#include <stdio.h>
#include <sys/types.h>
#include <fcntl.h>
#include <ctype.h>
#ifdef __hpux
@ -34,9 +33,9 @@
#endif
#ifndef HAVE_STRING_H
char *strchr _((char*,char));
char *strrchr _((char*,char));
char *strstr _((char*,char*));
char *strchr _((const char*,const char));
char *strrchr _((const char*,const char));
char *strstr _((const char*,const char*));
#endif
#include "util.h"
@ -47,20 +46,21 @@ char *getenv();
static int version, copyright;
VALUE rb_debug = Qfalse;
VALUE rb_verbose = Qfalse;
int rb_tainting = Qfalse;
VALUE ruby_debug = Qfalse;
VALUE ruby_verbose = Qfalse;
static int sflag = Qfalse;
char *ruby_inplace_mode = Qfalse;
# ifndef strdup
char *strdup();
# endif
extern int yydebug;
static int xflag = Qfalse;
static void load_stdin _((void));
static void load_file _((char *, int));
static void forbid_setid _((char *));
static void forbid_setid _((const char *));
static VALUE do_loop = Qfalse, do_print = Qfalse;
static VALUE do_check = Qfalse, do_line = Qfalse;
@ -71,6 +71,46 @@ static char *script;
static int origargc;
static char **origargv;
static void
usage(name)
const char *name;
{
/* This message really ought to be max 23 lines.
* Removed -h because the user already knows that opton. Others? */
static char *usage_msg[] = {
"-0[octal] specify record separator (\\0, if no argument)",
"-a autosplit mode with -n or -p (splits $_ into $F)",
"-c check syntax only",
"-d set debugging flags (set $DEBUG to true)",
"-e 'command' one line of script. Several -e's allowed. Omit [programfile]",
"-Fpattern split() pattern for autosplit (-a)",
"-i[extension] edit ARGV files in place (make backup if extension supplied)",
"-Idirectory specify $LOAD_PATH directory (may be used more than once)",
"-K[kcode] specifies KANJI (Japanese) code-set",
"-l enable line ending processing",
"-n assume 'while gets; ...; end' loop around your script",
"-p assume loop like -n but print line also like sed",
"-rlibrary require the library, before executing your script",
"-s enable some switch parsing for switches after script name",
"-S look for the script using PATH environment variable",
"-T[level] turn on tainting checks",
"-v enables verbose mode",
"-w turn warnings on for compilation of your script",
"-x[directory] strip off text before #!ruby line and perhaps cd to directory",
"-X[directory] cd to directory, before executing your script",
"--copyright print the copyright",
"--version print the version",
"\n",
NULL
};
char **p = usage_msg;
printf("\nUsage: %s [switches] [--] [programfile] [arguments]", name);
while (*p)
printf("\n %s", *p++);
}
#ifndef RUBY_LIB
#define RUBY_LIB "/usr/local/lib/ruby"
#endif
@ -83,52 +123,109 @@ extern VALUE rb_load_path;
static FILE *e_fp;
static char *e_tmpname;
#define STATIC_FILE_LENGTH 255
#if defined(_WIN32) || defined(DJGPP)
static char *
rubylib_mangle(s, l)
char *s;
unsigned int l;
{
static char *newp, *oldp;
static int newl, oldl, notfound;
static char ret[STATIC_FILE_LENGTH+1];
if (!newp && !notfound) {
newp = getenv("RUBYLIB_PREFIX");
if (newp) {
char *s;
oldp = newp;
while (*newp && !ISSPACE(*newp) && *newp != ';') {
newp++; oldl++; /* Skip digits. */
}
while (*newp && (ISSPACE(*newp) || *newp == ';')) {
newp++; /* Skip whitespace. */
}
newl = strlen(newp);
if (newl == 0 || oldl == 0 || newl > STATIC_FILE_LENGTH) {
rb_fatal("malformed RUBYLIB_PREFIX");
}
strcpy(ret, newp);
s = ret;
while (*s) {
if (*s == '\\') *s = '/';
s++;
}
} else {
notfound = 1;
}
}
if (!newp) {
return s;
}
if (l == 0) {
l = strlen(s);
}
if (l < oldl || strncasecmp(oldp, s, oldl) != 0) {
return s;
}
if (l + newl - oldl > STATIC_FILE_LENGTH || newl > STATIC_FILE_LENGTH) {
rb_fatal("malformed RUBYLIB_PREFIX");
}
strcpy(ret + newl, s + oldl);
return ret;
}
#else
#define rubylib_mangle(s, l) (s)
#endif
static void
addpath(path)
char *path;
const char *path;
{
const char sep = RUBY_PATH_SEP[0];
const char sep = PATH_SEP_CHAR;
if (path == 0) return;
#if defined(__CYGWIN32__)
{
char rubylib[FILENAME_MAX];
conv_to_posix_path(path, rubylib);
conv_to_posix_path(path, rubylib, FILENAME_MAX);
path = rubylib;
}
#endif
if (strchr(path, sep)) {
char *p, *s;
const char *p, *s;
VALUE ary = rb_ary_new();
p = path;
while (*p) {
while (*p == sep) p++;
if (s = strchr(p, sep)) {
rb_ary_push(ary, rb_str_new(p, (int)(s-p)));
rb_ary_push(ary, rb_str_new(rubylib_mangle(p, (int)(s-p)), (int)(s-p)));
p = s + 1;
}
else {
rb_ary_push(ary, rb_str_new2(p));
rb_ary_push(ary, rb_str_new2(rubylib_mangle(p, 0)));
break;
}
}
rb_load_path = rb_ary_plus(ary, rb_load_path);
}
else {
rb_ary_unshift(rb_load_path, rb_str_new2(path));
rb_ary_unshift(rb_load_path, rb_str_new2(rubylib_mangle(path, 0)));
}
}
struct req_list {
char *name;
const char *name;
struct req_list *next;
} req_list_head;
struct req_list *req_list_last = &req_list_head;
static void
add_modules(mod)
char *mod;
const char *mod;
{
struct req_list *list;
@ -140,14 +237,14 @@ add_modules(mod)
}
void
ruby_require_modules()
ruby_require_libraries()
{
struct req_list *list = req_list_head.next;
struct req_list *tmp;
req_list_last = 0;
while (list) {
rb_f_require(Qnil, rb_str_new2(list->name));
rb_require(list->name);
tmp = list->next;
free(list);
list = tmp;
@ -193,8 +290,8 @@ proc_options(argcp, argvp)
goto reswitch;
case 'd':
rb_debug = Qtrue;
rb_verbose |= 1;
ruby_debug = Qtrue;
ruby_verbose |= 1;
s++;
goto reswitch;
@ -205,9 +302,9 @@ proc_options(argcp, argvp)
case 'v':
ruby_show_version();
rb_verbose = 2;
ruby_verbose = 2;
case 'w':
rb_verbose |= 1;
ruby_verbose |= 1;
s++;
goto reswitch;
@ -222,6 +319,10 @@ proc_options(argcp, argvp)
s++;
goto reswitch;
case 'h':
usage(origargv[0]);
exit(0);
case 'l':
do_line = Qtrue;
rb_output_rs = rb_rs;
@ -236,6 +337,14 @@ proc_options(argcp, argvp)
case 'e':
forbid_setid("-e");
if (!*++s) {
s = argv[1];
argc--,argv++;
}
if (!s) {
fprintf(stderr, "%s: no code specified for -e\n", origargv[0]);
exit(2);
}
if (!e_fp) {
e_tmpname = ruby_mktemp();
if (!e_tmpname) rb_fatal("Can't mktemp");
@ -245,10 +354,7 @@ proc_options(argcp, argvp)
}
if (script == 0) script = e_tmpname;
}
if (argv[1]) {
fputs(argv[1], e_fp);
argc--, argv++;
}
fputs(s, e_fp);
putc('\n', e_fp);
break;
@ -308,7 +414,6 @@ proc_options(argcp, argvp)
if (numlen == 0) v = 1;
}
rb_set_safe_level(v);
rb_tainting = Qtrue;
}
break;
@ -350,15 +455,21 @@ proc_options(argcp, argvp)
if (strcmp("copyright", s) == 0)
copyright = 1;
else if (strcmp("debug", s) == 0)
rb_debug = 1;
ruby_debug = 1;
else if (strcmp("version", s) == 0)
version = 1;
else if (strcmp("verbose", s) == 0)
rb_verbose = 2;
ruby_verbose = 2;
else if (strcmp("yydebug", s) == 0)
yydebug = 1;
else if (strcmp("help", s) == 0) {
usage(origargv[0]);
exit(0);
}
else {
rb_fatal("Unrecognized long option: --%s",s);
fprintf(stderr, "%s: invalid option --%s (-h will show valid options)\n",
origargv[0], s);
exit(2);
}
break;
@ -368,7 +479,9 @@ proc_options(argcp, argvp)
break;
default:
rb_fatal("Unrecognized switch: -%s",s);
fprintf(stderr, "%s: invalid option -%c (-h will show valid options)\n",
origargv[0], *s);
exit(2);
case 0:
break;
@ -397,7 +510,7 @@ proc_options(argcp, argvp)
Init_ext(); /* should be called here for some reason :-( */
if (script_given == Qfalse) {
if (argc == 0) { /* no more args */
if (rb_verbose == 3) exit(0);
if (ruby_verbose == 3) exit(0);
script = "-";
load_stdin();
}
@ -425,8 +538,8 @@ proc_options(argcp, argvp)
argc--; argv++;
}
}
if (rb_verbose) rb_verbose = Qtrue;
if (rb_debug) rb_debug = Qtrue;
if (ruby_verbose) ruby_verbose = Qtrue;
if (ruby_debug) ruby_debug = Qtrue;
xflag = Qfalse;
*argvp = argv;
@ -491,6 +604,12 @@ load_file(fname, script)
xflag = Qfalse;
while (!NIL_P(line = rb_io_gets(f))) {
line_start++;
#if defined(__EMX__) || defined(OS2)
/*
if (p = strstr(RSTRING(line)->ptr, "extproc"))
line = io_gets(f);
*/
#endif /* __EMX__ */
if (RSTRING(line)->len > 2
&& RSTRING(line)->ptr[0] == '#'
&& RSTRING(line)->ptr[1] == '!') {
@ -514,7 +633,7 @@ load_file(fname, script)
char *path;
char *pend = RSTRING(line)->ptr + RSTRING(line)->len;
p = RSTRING(line)->ptr + 2; /* skip `#!' */
p = RSTRING(line)->ptr + 1; /* skip `#!' */
if (pend[-1] == '\n') pend--; /* chomp line */
if (pend[-1] == '\r') pend--;
*pend = '\0';
@ -547,10 +666,10 @@ load_file(fname, script)
if (RSTRING(line)->ptr[RSTRING(line)->len-2] == '\r')
RSTRING(line)->ptr[RSTRING(line)->len-2] = '\0';
if (p = strstr(p, " -")) {
int argc; char *argv[2]; char **argvp = argv;
int argc; char *argv[3]; char **argvp = argv;
char *s = ++p;
argc = 2; argv[0] = 0;
argc = 2; argv[0] = argv[2] = 0;
while (*p == '-') {
while (*s && !ISSPACE(*s))
s++;
@ -678,7 +797,7 @@ init_ids()
static void
forbid_setid(s)
char *s;
const char *s;
{
if (euid != uid)
rb_raise(rb_eSecurityError, "No %s allowed while running setuid", s);
@ -701,10 +820,15 @@ ruby_libpath()
strcpy(libpath, __dos_argv0);
#endif
p = strrchr(libpath, '\\');
if (p)
if (p) {
*p = 0;
if (!strcasecmp(p-4, "\\bin"))
p -= 4;
if (!strcasecmp(p-4, "\\bin"))
p -= 4;
} else {
strcpy(libpath, ".");
p = libpath + 1;
}
strcpy(p, "\\lib");
#if defined(__CYGWIN32__)
p = (char *)malloc(strlen(libpath)+10);
@ -728,10 +852,10 @@ ruby_prog_init()
init_ids();
ruby_sourcefile = "ruby";
rb_define_variable("$VERBOSE", &rb_verbose);
rb_define_variable("$-v", &rb_verbose);
rb_define_variable("$DEBUG", &rb_debug);
rb_define_variable("$-d", &rb_debug);
rb_define_variable("$VERBOSE", &ruby_verbose);
rb_define_variable("$-v", &ruby_verbose);
rb_define_variable("$DEBUG", &ruby_debug);
rb_define_variable("$-d", &ruby_debug);
rb_define_readonly_variable("$-p", &do_print);
rb_define_readonly_variable("$-l", &do_line);
@ -743,9 +867,6 @@ ruby_prog_init()
#if defined(_WIN32) || defined(DJGPP)
addpath(ruby_libpath());
#endif
#ifdef __MACOS__
setup_macruby_libpath();
#endif
#ifdef RUBY_ARCHLIB
addpath(RUBY_ARCHLIB);
@ -762,6 +883,10 @@ ruby_prog_init()
addpath(RUBY_SITE_THIN_ARCHLIB);
#endif
#ifdef RUBY_SEARCH_PATH
addpath(RUBY_SEARCH_PATH);
#endif
if (rb_safe_level() == 0) {
addpath(getenv("RUBYLIB"));
}