1
0
Fork 0
mirror of https://github.com/ruby/ruby.git synced 2022-11-09 12:17:21 -05:00

This commit was generated by cvs2svn to compensate for changes in r372,

which included commits to RCS files with non-trunk default branches.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@373 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
matz 1999-01-20 04:59:39 +00:00
parent 9c5b1986a3
commit 210367ec88
140 changed files with 25635 additions and 14037 deletions

401
ruby.c
View file

@ -6,7 +6,7 @@
$Date$
created at: Tue Aug 10 12:47:31 JST 1993
Copyright (C) 1993-1996 Yukihiro Matsumoto
Copyright (C) 1993-1998 Yukihiro Matsumoto
************************************************/
@ -14,102 +14,117 @@
#include <windows.h>
#endif
#include "ruby.h"
#include "re.h"
#include "dln.h"
#include "node.h"
#include <stdio.h>
#include <ctype.h>
#include <sys/types.h>
#include <fcntl.h>
#include <ctype.h>
#ifdef __hpux
#include <sys/pstat.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifndef HAVE_STRING_H
char *strchr();
char *strrchr();
char *strstr();
#ifdef USE_CWGUSI
#include "macruby_missing.h"
#endif
#ifndef HAVE_STRING_H
char *strchr _((char*,char));
char *strrchr _((char*,char));
char *strstr _((char*,char*));
#endif
#include "util.h"
#ifndef HAVE_STDLIB_H
char *getenv();
#endif
static int version, copyright;
VALUE debug = FALSE;
VALUE verbose = FALSE;
int tainting = FALSE;
static int sflag = FALSE;
VALUE rb_debug = Qfalse;
VALUE rb_verbose = Qfalse;
int rb_tainting = Qfalse;
static int sflag = Qfalse;
char *inplace = FALSE;
char *ruby_inplace_mode = Qfalse;
char *strdup();
extern char *sourcefile;
extern int yydebug;
extern int nerrs;
static int xflag = Qfalse;
static int xflag = FALSE;
extern VALUE RS, RS_default, ORS, FS;
static void load_stdin();
static void load_stdin _((void));
static void load_file _((char *, int));
static void forbid_setid _((char *));
static VALUE do_loop = FALSE, do_print = FALSE;
static VALUE do_check = FALSE, do_line = FALSE;
static VALUE do_split = FALSE;
static VALUE do_loop = Qfalse, do_print = Qfalse;
static VALUE do_check = Qfalse, do_line = Qfalse;
static VALUE do_split = Qfalse;
static char *script;
static int origargc;
static char **origargv;
extern int sourceline;
extern char *sourcefile;
#ifndef RUBY_LIB
#define RUBY_LIB "/usr/local/lib/ruby"
#endif
#if defined(MSDOS) || defined(NT)
#define RUBY_LIB_SEP ';'
#else
#define RUBY_LIB_SEP ':'
#ifndef RUBY_SITE_LIB
#define RUBY_SITE_LIB "/usr/local/lib/site_ruby"
#endif
extern VALUE rb_load_path;
VALUE Frequire();
static FILE *e_fp;
static char *e_tmpname;
static void
addpath(path)
char *path;
{
const char sep = RUBY_PATH_SEP[0];
if (path == 0) return;
if (strchr(path, RUBY_LIB_SEP)) {
#if defined(__CYGWIN32__)
{
char rubylib[FILENAME_MAX];
conv_to_posix_path(path, rubylib);
path = rubylib;
}
#endif
if (strchr(path, sep)) {
char *p, *s;
VALUE ary = ary_new();
VALUE ary = rb_ary_new();
p = path;
while (*p) {
while (*p == RUBY_LIB_SEP) p++;
if (s = strchr(p, RUBY_LIB_SEP)) {
ary_push(ary, str_new(p, (int)(s-p)));
while (*p == sep) p++;
if (s = strchr(p, sep)) {
rb_ary_push(ary, rb_str_new(p, (int)(s-p)));
p = s + 1;
}
else {
ary_push(ary, str_new2(p));
rb_ary_push(ary, rb_str_new2(p));
break;
}
}
rb_load_path = ary_plus(ary, rb_load_path);
rb_load_path = rb_ary_plus(ary, rb_load_path);
}
else {
ary_unshift(rb_load_path, str_new2(path));
rb_ary_unshift(rb_load_path, rb_str_new2(path));
}
}
struct req_list {
char *name;
struct req_list *next;
} *req_list;
} req_list_head;
struct req_list *req_list_last = &req_list_head;
static void
add_modules(mod)
@ -119,25 +134,28 @@ add_modules(mod)
list = ALLOC(struct req_list);
list->name = mod;
list->next = req_list;
req_list = list;
list->next = 0;
req_list_last->next = list;
req_list_last = list;
}
void
rb_require_modules()
ruby_require_modules()
{
struct req_list *list = req_list;
struct req_list *list = req_list_head.next;
struct req_list *tmp;
req_list = 0;
req_list_last = 0;
while (list) {
f_require(Qnil, str_new2(list->name));
rb_f_require(Qnil, rb_str_new2(list->name));
tmp = list->next;
free(list);
list = tmp;
}
}
extern void Init_ext _((void));
static void
proc_options(argcp, argvp)
int *argcp;
@ -150,9 +168,10 @@ proc_options(argcp, argvp)
if (argc == 0) return;
version = FALSE;
do_search = FALSE;
version = Qfalse;
do_search = Qfalse;
script_given = 0;
e_tmpname = NULL;
for (argc--,argv++; argc > 0; argc--,argv++) {
if (argv[0][0] != '-' || !argv[0][1]) break;
@ -161,20 +180,21 @@ proc_options(argcp, argvp)
reswitch:
switch (*s) {
case 'a':
do_split = TRUE;
do_split = Qtrue;
s++;
goto reswitch;
case 'p':
do_print = TRUE;
do_print = Qtrue;
/* through */
case 'n':
do_loop = TRUE;
do_loop = Qtrue;
s++;
goto reswitch;
case 'd':
debug = TRUE;
rb_debug = Qtrue;
rb_verbose |= 1;
s++;
goto reswitch;
@ -184,47 +204,52 @@ proc_options(argcp, argvp)
goto reswitch;
case 'v':
show_version();
verbose = 2;
ruby_show_version();
rb_verbose = 2;
case 'w':
verbose |= 1;
rb_verbose |= 1;
s++;
goto reswitch;
case 'c':
do_check = TRUE;
do_check = Qtrue;
s++;
goto reswitch;
case 's':
forbid_setid("-s");
sflag = TRUE;
sflag = Qtrue;
s++;
goto reswitch;
case 'l':
do_line = TRUE;
ORS = RS;
do_line = Qtrue;
rb_output_rs = rb_rs;
s++;
goto reswitch;
case 'S':
forbid_setid("-S");
do_search = TRUE;
do_search = Qtrue;
s++;
goto reswitch;
case 'e':
forbid_setid("-e");
script_given++;
if (script == 0) script = "-e";
if (!e_fp) {
e_tmpname = ruby_mktemp();
if (!e_tmpname) rb_fatal("Can't mktemp");
e_fp = fopen(e_tmpname, "w");
if (!e_fp) {
rb_fatal("Cannot open temporary file: %s", e_tmpname);
}
if (script == 0) script = e_tmpname;
}
if (argv[1]) {
compile_string("-e", argv[1], strlen(argv[1]));
argc--,argv++;
}
else {
compile_string("-e", "", 0);
fputs(argv[1], e_fp);
argc--, argv++;
}
putc('\n', e_fp);
break;
case 'r':
@ -240,15 +265,15 @@ proc_options(argcp, argvp)
case 'i':
forbid_setid("-i");
if (inplace) free(inplace);
inplace = strdup(s+1);
if (ruby_inplace_mode) free(ruby_inplace_mode);
ruby_inplace_mode = strdup(s+1);
break;
case 'x':
xflag = TRUE;
xflag = Qtrue;
s++;
if (*s && chdir(s) < 0) {
Fatal("Can't chdir to %s", s);
rb_fatal("Can't chdir to %s", s);
}
break;
@ -259,12 +284,12 @@ proc_options(argcp, argvp)
argc--,argv++;
}
if (*s && chdir(s) < 0) {
Fatal("Can't chdir to %s", s);
rb_fatal("Can't chdir to %s", s);
}
break;
case 'F':
FS = str_new2(s+1);
rb_fs = rb_str_new2(s+1);
break;
case 'K':
@ -283,7 +308,7 @@ proc_options(argcp, argvp)
if (numlen == 0) v = 1;
}
rb_set_safe_level(v);
tainting = TRUE;
rb_tainting = Qtrue;
}
break;
@ -305,13 +330,13 @@ proc_options(argcp, argvp)
v = scan_oct(s, 4, &numlen);
s += numlen;
if (v > 0377) RS = Qnil;
if (v > 0377) rb_rs = Qnil;
else if (v == 0 && numlen >= 2) {
RS = str_new2("\n\n");
rb_rs = rb_str_new2("\n\n");
}
else {
c = v & 0xff;
RS = str_new(&c, 1);
rb_rs = rb_str_new(&c, 1);
}
}
goto reswitch;
@ -325,15 +350,15 @@ proc_options(argcp, argvp)
if (strcmp("copyright", s) == 0)
copyright = 1;
else if (strcmp("debug", s) == 0)
debug = 1;
rb_debug = 1;
else if (strcmp("version", s) == 0)
version = 1;
else if (strcmp("verbose", s) == 0)
verbose = 2;
rb_verbose = 2;
else if (strcmp("yydebug", s) == 0)
yydebug = 1;
else {
Fatal("Unrecognized long option: --%s",s);
rb_fatal("Unrecognized long option: --%s",s);
}
break;
@ -343,7 +368,7 @@ proc_options(argcp, argvp)
break;
default:
Fatal("Unrecognized switch: -%s",s);
rb_fatal("Unrecognized switch: -%s",s);
case 0:
break;
@ -353,17 +378,26 @@ proc_options(argcp, argvp)
switch_end:
if (*argvp[0] == 0) return;
if (e_fp) {
if (fflush(e_fp) || ferror(e_fp) || fclose(e_fp))
rb_fatal("Cannot write to temp file for -e");
e_fp = NULL;
argc++, argv--;
argv[0] = e_tmpname;
}
if (version) {
show_version();
ruby_show_version();
exit(0);
}
if (copyright) {
show_copyright();
ruby_show_copyright();
}
if (script_given == FALSE) {
Init_ext(); /* should be called here for some reason :-( */
if (script_given == Qfalse) {
if (argc == 0) { /* no more args */
if (verbose == 3) exit(0);
if (rb_verbose == 3) exit(0);
script = "-";
load_stdin();
}
@ -391,9 +425,10 @@ proc_options(argcp, argvp)
argc--; argv++;
}
}
if (verbose) verbose = TRUE;
if (rb_verbose) rb_verbose = Qtrue;
if (rb_debug) rb_debug = Qtrue;
xflag = FALSE;
xflag = Qfalse;
*argvp = argv;
*argcp = argc;
@ -409,17 +444,20 @@ proc_options(argcp, argvp)
argv[0][0] = '$';
if (s = strchr(argv[0], '=')) {
*s++ = '\0';
rb_gvar_set2(argv[0], str_new2(s));
rb_gvar_set2(argv[0], rb_str_new2(s));
}
else {
rb_gvar_set2(argv[0], TRUE);
rb_gvar_set2(argv[0], Qtrue);
}
argv[0][0] = '-';
}
*argcp = argc; *argvp = argv;
}
}
extern int ruby__end__seen;
static void
load_file(fname, script)
char *fname;
@ -433,42 +471,43 @@ load_file(fname, script)
f = rb_stdin;
}
else {
f = file_open(fname, "r");
FILE *fp = fopen(fname, "r");
if (fp == NULL) {
rb_raise(rb_eLoadError, "No such file to load -- %s", fname);
}
fclose(fp);
f = rb_file_open(fname, "r");
}
if (script) {
VALUE c;
VALUE line;
VALUE rs = RS;
char *p;
RS = RS_default;
if (xflag) {
forbid_setid("-x");
xflag = FALSE;
while (!NIL_P(line = io_gets(f))) {
xflag = Qfalse;
while (!NIL_P(line = rb_io_gets(f))) {
line_start++;
if (RSTRING(line)->len > 2
&& RSTRING(line)->ptr[0] == '#'
&& RSTRING(line)->ptr[1] == '!') {
if (strstr(RSTRING(line)->ptr, "ruby")) {
if (p = strstr(RSTRING(line)->ptr, "ruby")) {
goto start_read;
}
}
}
RS = rs;
LoadError("No Ruby script found in input");
rb_raise(rb_eLoadError, "No Ruby script found in input");
}
c = io_getc(f);
c = rb_io_getc(f);
if (c == INT2FIX('#')) {
line = io_gets(f);
line = rb_io_gets(f);
line_start++;
if (RSTRING(line)->len > 2
&& RSTRING(line)->ptr[0] == '!') {
char *p;
if (RSTRING(line)->len > 2 && RSTRING(line)->ptr[0] == '!') {
if ((p = strstr(RSTRING(line)->ptr, "ruby")) == 0) {
/* not ruby script, kick the program */
char **argv;
@ -479,10 +518,10 @@ load_file(fname, script)
if (pend[-1] == '\n') pend--; /* chomp line */
if (pend[-1] == '\r') pend--;
*pend = '\0';
while (p < pend && isspace(*p))
while (p < pend && ISSPACE(*p))
p++;
path = p; /* interpreter path */
while (p < pend && !isspace(*p))
while (p < pend && !ISSPACE(*p))
p++;
*p++ = '\0';
if (p < pend) {
@ -494,36 +533,48 @@ load_file(fname, script)
argv = origargv;
}
argv[0] = path;
#ifndef USE_CWGUSI
execv(path, argv);
sourcefile = fname;
sourceline = 1;
Fatal("Can't exec %s", path);
#endif
ruby_sourcefile = fname;
ruby_sourceline = 1;
rb_fatal("Can't exec %s", path);
}
start_read:
if (p = strstr(RSTRING(line)->ptr, "ruby -")) {
p += 4;
RSTRING(line)->ptr[RSTRING(line)->len-1] = '\0';
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;
UCHAR *s;
char *s = ++p;
s = RSTRING(line)->ptr;
while (isspace(*s))
s++;
*s = '\0';
RSTRING(line)->ptr[RSTRING(line)->len-1] = '\0';
if (RSTRING(line)->ptr[RSTRING(line)->len-2] == '\r')
RSTRING(line)->ptr[RSTRING(line)->len-2] = '\0';
argc = 2; argv[0] = 0; argv[1] = p + 5;
proc_options(&argc, &argvp);
argc = 2; argv[0] = 0;
while (*p == '-') {
while (*s && !ISSPACE(*s))
s++;
*s = '\0';
argv[1] = p;
proc_options(&argc, &argvp);
p = ++s;
while (*p && ISSPACE(*p))
p++;
}
}
}
}
else if (!NIL_P(c)) {
io_ungetc(f, c);
rb_io_ungetc(f, c);
}
RS = rs;
}
compile_file(fname, f, line_start);
if (f != rb_stdin) io_close(f);
rb_compile_file(fname, f, line_start);
if (script && ruby__end__seen) {
rb_define_global_const("DATA", f);
}
else if (f != rb_stdin) {
rb_io_close(f);
}
}
void
@ -553,8 +604,8 @@ set_arg0(val, id)
int i;
static int len;
if (origargv == 0) Fail("$0 not initialized");
Check_Type(val, T_STRING);
if (origargv == 0) rb_raise(rb_eRuntimeError, "$0 not initialized");
#ifndef __hpux
if (len == 0) {
s = origargv[0];
s += strlen(s);
@ -565,8 +616,9 @@ set_arg0(val, id)
}
len = s - origargv[0];
}
s = RSTRING(val)->ptr;
i = RSTRING(val)->len;
#endif
s = rb_str2cstr(val, &i);
#ifndef __hpux
if (i > len) {
memcpy(origargv[0], s, len);
origargv[0][len] = '\0';
@ -578,7 +630,22 @@ set_arg0(val, id)
while (++i < len)
*s++ = ' ';
}
rb_progname = str_taint(str_new2(origargv[0]));
rb_progname = rb_tainted_str_new2(origargv[0]);
#else
if (i >= PST_CLEN) {
union pstun j;
j.pst_command = s;
i = PST_CLEN;
RSTRING(val)->len = i;
*(s + i) = '\0';
pstat(PSTAT_SETCMD, j, PST_CLEN, 0, 0);
} else {
union pstun j;
j.pst_command = s;
pstat(PSTAT_SETCMD, j, i, 0, 0);
}
rb_progname = rb_tainted_str_new(s, i);
#endif
}
void
@ -586,8 +653,8 @@ ruby_script(name)
char *name;
{
if (name) {
rb_progname = str_taint(str_new2(name));
sourcefile = name;
rb_progname = rb_tainted_str_new2(name);
ruby_sourcefile = name;
}
}
@ -614,9 +681,11 @@ forbid_setid(s)
char *s;
{
if (euid != uid)
Fatal("No %s allowed while running setuid", s);
rb_raise(rb_eSecurityError, "No %s allowed while running setuid", s);
if (egid != gid)
Fatal("No %s allowed while running setgid", s);
rb_raise(rb_eSecurityError, "No %s allowed while running setgid", s);
if (rb_safe_level() > 0)
rb_raise(rb_eSecurityError, "No %s allowed in tainted mode", s);
}
#if defined(_WIN32) || defined(DJGPP)
@ -658,37 +727,48 @@ ruby_prog_init()
{
init_ids();
sourcefile = "ruby";
rb_define_variable("$VERBOSE", &verbose);
rb_define_variable("$-v", &verbose);
rb_define_variable("$DEBUG", &debug);
rb_define_variable("$-d", &debug);
ruby_sourcefile = "ruby";
rb_define_variable("$VERBOSE", &rb_verbose);
rb_define_variable("$-v", &rb_verbose);
rb_define_variable("$DEBUG", &rb_debug);
rb_define_variable("$-d", &rb_debug);
rb_define_readonly_variable("$-p", &do_print);
rb_define_readonly_variable("$-l", &do_line);
if (rb_safe_level() == 0) {
addpath(".");
}
addpath(RUBY_LIB);
#if defined(_WIN32) || defined(DJGPP)
addpath(ruby_libpath());
#endif
#ifdef __MACOS__
setup_macruby_libpath();
#endif
#ifdef RUBY_ARCHLIB
addpath(RUBY_ARCHLIB);
#endif
#ifdef RUBY_THIN_ARCHLIB
addpath(RUBY_THIN_ARCHLIB);
#endif
addpath(RUBY_SITE_LIB);
#ifdef RUBY_SITE_ARCHLIB
addpath(RUBY_SITE_ARCHLIB);
#endif
#ifdef RUBY_SITE_THIN_ARCHLIB
addpath(RUBY_SITE_THIN_ARCHLIB);
#endif
if (rb_safe_level() == 0) {
addpath(getenv("RUBYLIB"));
}
#ifdef RUBY_THIN_ARCHLIB
addpath(RUBY_THIN_ARCHLIB);
#endif
#ifdef RUBY_ARCHLIB
addpath(RUBY_ARCHLIB);
#endif
addpath(RUBY_LIB);
if (rb_safe_level() == 0) {
addpath(".");
}
rb_define_hooked_variable("$0", &rb_progname, 0, set_arg0);
rb_argv = ary_new();
rb_argv = rb_ary_new();
rb_define_readonly_variable("$*", &rb_argv);
rb_define_global_const("ARGV", rb_argv);
rb_define_readonly_variable("$-a", &do_split);
@ -716,7 +796,7 @@ ruby_set_argv(argc, argv)
else dln_argv0 = argv[0];
#endif
for (i=0; i < argc; i++) {
ary_push(rb_argv, str_taint(str_new2(argv[i])));
rb_ary_push(rb_argv, rb_tainted_str_new2(argv[i]));
}
}
@ -725,12 +805,9 @@ ruby_process_options(argc, argv)
int argc;
char **argv;
{
extern VALUE errat;
int i;
origargc = argc; origargv = argv;
ruby_script(argv[0]); /* for the time being */
rb_argv0 = str_taint(str_new2(argv[0]));
rb_argv0 = rb_progname;
#if defined(USE_DLN_A_OUT)
dln_argv0 = argv[0];
#endif
@ -738,14 +815,22 @@ ruby_process_options(argc, argv)
ruby_script(script);
ruby_set_argv(argc, argv);
if (do_check && nerrs == 0) {
if (do_check && ruby_nerrs == 0) {
printf("Syntax OK\n");
exit(0);
}
if (do_print) {
yyappend_print();
rb_parser_append_print();
}
if (do_loop) {
yywhile_loop(do_line, do_split);
rb_parser_while_loop(do_line, do_split);
}
if (e_fp) {
fclose(e_fp);
e_fp = NULL;
}
if (e_tmpname) {
unlink(e_tmpname);
e_tmpname = NULL;
}
}