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|
/************************************************
error.c -
$Author$
$Date$
created at: Mon Aug 9 16:11:34 JST 1993
Copyright (C) 1993-1996 Yukihiro Matsumoto
************************************************/
#include "ruby.h"
#include "env.h"
#include <stdio.h>
#include <varargs.h>
extern char *sourcefile;
extern int sourceline;
int nerrs;
static void
err_sprintf(buf, fmt, args)
char *buf, *fmt;
va_list args;
{
if (!sourcefile) {
vsprintf(buf, fmt, args);
}
else {
sprintf(buf, "%s:%d: ", sourcefile, sourceline);
vsprintf((char*)buf+strlen(buf), fmt, args);
}
}
static void
err_append(s)
char *s;
{
extern VALUE errinfo;
if (rb_in_eval) {
if (NIL_P(errinfo)) {
errinfo = str_new2(s);
}
else {
str_cat(errinfo, "\n", 1);
str_cat(errinfo, s, strlen(s));
}
}
else {
fputs(s, stderr);
fputs("\n", stderr);
fflush(stderr);
}
}
static void
err_print(fmt, args)
char *fmt;
va_list args;
{
char buf[BUFSIZ];
err_sprintf(buf, fmt, args);
err_append(buf);
}
void
Error(fmt, va_alist)
char *fmt;
va_dcl
{
va_list args;
va_start(args);
err_print(fmt, args);
va_end(args);
nerrs++;
}
void
Error_Append(fmt, va_alist)
char *fmt;
va_dcl
{
va_list args;
char buf[BUFSIZ];
va_start(args);
vsprintf(buf, fmt, args);
va_end(args);
err_append(buf);
}
void
Warning(fmt, va_alist)
char *fmt;
va_dcl
{
char buf[BUFSIZ];
va_list args;
if (!RTEST(verbose)) return;
sprintf(buf, "warning: %s", fmt);
va_start(args);
err_print(buf, args);
va_end(args);
}
void
Bug(fmt, va_alist)
char *fmt;
va_dcl
{
char buf[BUFSIZ];
va_list args;
sprintf(buf, "[BUG] %s", fmt);
rb_in_eval = 0;
va_start(args);
err_print(buf, args);
va_end(args);
abort();
}
static struct types {
int type;
char *name;
} builtin_types[] = {
T_NIL, "nil",
T_OBJECT, "Object",
T_CLASS, "Class",
T_ICLASS, "iClass", /* internal use: mixed-in module holder */
T_MODULE, "Module",
T_FLOAT, "Float",
T_STRING, "String",
T_REGEXP, "Regexp",
T_ARRAY, "Array",
T_FIXNUM, "Fixnum",
T_HASH, "Hash",
T_STRUCT, "Struct",
T_BIGNUM, "Bignum",
T_FILE, "File",
T_TRUE, "TRUE",
T_FALSE, "FALSE",
T_DATA, "Data", /* internal use: wrapped C pointers */
T_MATCH, "Match", /* data of $~ */
T_VARMAP, "Varmap", /* internal use: dynamic variables */
T_SCOPE, "Scope", /* internal use: variable scope */
T_NODE, "Node", /* internal use: syntax tree node */
-1, 0,
};
extern void TypeError();
void
rb_check_type(x, t)
VALUE x;
int t;
{
struct types *type = builtin_types;
if (TYPE(x)!=(t)) {
while (type->type >= 0) {
if (type->type == t) {
TypeError("wrong argument type %s (expected %s)",
rb_class2name(CLASS_OF(x)), type->name);
}
type++;
}
Bug("unknown type 0x%x", t);
}
}
/* exception classes */
#include "errno.h"
extern VALUE cString;
VALUE eGlobalExit, eException;
VALUE eSystemExit, eInterrupt, eFatal;
VALUE eRuntimeError;
VALUE eSyntaxError;
VALUE eTypeError;
VALUE eArgError;
VALUE eNameError;
VALUE eIndexError;
VALUE eNotImpError;
VALUE eLoadError;
VALUE eSecurityError;
VALUE eSystemCallError;
VALUE mErrno;
VALUE
exc_new(etype, ptr, len)
VALUE etype;
char *ptr;
UINT len;
{
NEWOBJ(exc, struct RString);
OBJSETUP(exc, etype, T_STRING);
exc->len = len;
exc->orig = 0;
exc->ptr = ALLOC_N(char,len+1);
if (ptr) {
memcpy(exc->ptr, ptr, len);
}
exc->ptr[len] = '\0';
return (VALUE)exc;
}
VALUE
exc_new2(etype, s)
VALUE etype;
char *s;
{
return exc_new(etype, s, strlen(s));
}
VALUE
exc_new3(etype, str)
VALUE etype, str;
{
Check_Type(str, T_STRING);
return exc_new(etype, RSTRING(str)->ptr, RSTRING(str)->len);
}
static VALUE
exc_s_new(argc, argv, etype)
int argc;
VALUE *argv;
VALUE etype;
{
VALUE arg;
if (rb_scan_args(argc, argv, "01", &arg) == 0) {
return exc_new(etype, 0, 0);
}
Check_Type(arg, T_STRING);
return exc_new3(etype, arg);
}
static VALUE
exc_inspect(exc)
VALUE exc;
{
VALUE str, klass;
klass = CLASS_OF(exc);
if (RSTRING(exc)->len == 0) {
return rb_class_path(klass);
}
str = str_new2("#<");
klass = rb_class_path(klass);
str_cat(str, RSTRING(klass)->ptr, RSTRING(klass)->len);
str_cat(str, ":", 1);
str_cat(str, RSTRING(exc)->ptr, RSTRING(exc)->len);
str_cat(str, ">", 1);
return str;
}
static VALUE
exception(argc, argv)
int argc;
VALUE *argv;
{
void ArgError();
VALUE v = Qnil;
int i;
ID id;
if (argc == 0) {
ArgError("wrong # of arguments");
}
for (i=0; i<argc; i++) { /* argument check */
id = rb_to_id(argv[i]);
if (!rb_id2name(id)) {
ArgError("argument needs to be symbol or string");
}
if (!rb_is_const_id(id)) {
ArgError("identifier %s needs to be constant", rb_id2name(id));
}
}
for (i=0; i<argc; i++) {
v = rb_define_class_under(the_class, rb_id2name(rb_to_id(argv[i])), eException);
}
return v;
}
static VALUE *syserr_list;
#ifndef NT
extern int sys_nerr;
#endif
static void
set_syserr(i, name)
int i;
char *name;
{
if (i <= sys_nerr) {
syserr_list[i] = rb_define_class_under(mErrno, name, eSystemCallError);
rb_global_variable(&syserr_list[i]);
}
}
static void init_syserr();
void
Init_Exception()
{
eGlobalExit = rb_define_class("GlobalExit", cString);
rb_define_singleton_method(eGlobalExit, "new", exc_s_new, -1);
rb_define_method(eGlobalExit, "inspect", exc_inspect, 0);
eSystemExit = rb_define_class("SystemExit", eGlobalExit);
eFatal = rb_define_class("fatal", eGlobalExit);
eInterrupt = rb_define_class("Interrupt", eGlobalExit);
eException = rb_define_class("Exception", eGlobalExit);
eSyntaxError = rb_define_class("SyntaxError", eException);
eTypeError = rb_define_class("TypeError", eException);
eArgError = rb_define_class("ArgumentError", eException);
eNameError = rb_define_class("NameError", eException);
eIndexError = rb_define_class("IndexError", eException);
eNotImpError = rb_define_class("NotImplementError", eException);
eLoadError = rb_define_class("LoadError", eException);
eRuntimeError = rb_define_class("RuntimeError", eException);
eSecurityError = rb_define_class("SecurityError", eException);
init_syserr();
rb_define_global_function("Exception", exception, -1);
}
#define RAISE_ERROR(class) {\
va_list args;\
char buf[BUFSIZ];\
\
va_start(args);\
vsprintf(buf, fmt, args);\
va_end(args);\
\
rb_raise(exc_new2(class, buf));\
}
void
Raise(exc, fmt, va_alist)
VALUE exc;
char *fmt;
va_dcl
{
RAISE_ERROR(exc);
}
void
TypeError(fmt, va_alist)
char *fmt;
va_dcl
{
RAISE_ERROR(eTypeError);
}
void
ArgError(fmt, va_alist)
char *fmt;
va_dcl
{
RAISE_ERROR(eArgError);
}
void
NameError(fmt, va_alist)
char *fmt;
va_dcl
{
RAISE_ERROR(eNameError);
}
void
IndexError(fmt, va_alist)
char *fmt;
va_dcl
{
RAISE_ERROR(eIndexError);
}
void
Fail(fmt, va_alist)
char *fmt;
va_dcl
{
RAISE_ERROR(eRuntimeError);
}
void
rb_notimplement()
{
Raise(eNotImpError,
"The %s() function is unimplemented on this machine",
rb_id2name(the_frame->last_func));
}
void
LoadError(fmt, va_alist)
char *fmt;
va_dcl
{
RAISE_ERROR(eLoadError);
}
void
Fatal(fmt, va_alist)
char *fmt;
va_dcl
{
va_list args;
char buf[BUFSIZ];
va_start(args);
vsprintf(buf, fmt, args);
va_end(args);
rb_in_eval = 0;
rb_fatal(exc_new2(eFatal, buf));
}
void
rb_sys_fail(mesg)
char *mesg;
{
#ifndef NT
char *strerror();
#endif
char buf[BUFSIZ];
extern int errno;
int n = errno;
if (RTEST(mesg))
sprintf(buf, "%s - %s", strerror(errno), mesg);
else
sprintf(buf, "%s", strerror(errno));
errno = 0;
if (n > sys_nerr || !syserr_list[n]) {
char name[6];
sprintf(name, "E%03d", n);
set_syserr(n, name);
}
rb_raise(exc_new2(syserr_list[n], buf));
}
static void
init_syserr()
{
eSystemCallError = rb_define_class("SystemCallError", eException);
mErrno = rb_define_module("Errno");
syserr_list = ALLOC_N(VALUE, sys_nerr+1);
MEMZERO(syserr_list, VALUE, sys_nerr+1);
#ifdef EPERM
set_syserr(EPERM, "EPERM");
#endif
#ifdef ENOENT
set_syserr(ENOENT, "ENOENT");
#endif
#ifdef ESRCH
set_syserr(ESRCH, "ESRCH");
#endif
#ifdef EINTR
set_syserr(EINTR, "EINTR");
#endif
#ifdef EIO
set_syserr(EIO, "EIO");
#endif
#ifdef ENXIO
set_syserr(ENXIO, "ENXIO");
#endif
#ifdef E2BIG
set_syserr(E2BIG, "E2BIG");
#endif
#ifdef ENOEXEC
set_syserr(ENOEXEC, "ENOEXEC");
#endif
#ifdef EBADF
set_syserr(EBADF, "EBADF");
#endif
#ifdef ECHILD
set_syserr(ECHILD, "ECHILD");
#endif
#ifdef EAGAIN
set_syserr(EAGAIN, "EAGAIN");
#endif
#ifdef ENOMEM
set_syserr(ENOMEM, "ENOMEM");
#endif
#ifdef EACCES
set_syserr(EACCES, "EACCES");
#endif
#ifdef EFAULT
set_syserr(EFAULT, "EFAULT");
#endif
#ifdef ENOTBLK
set_syserr(ENOTBLK, "ENOTBLK");
#endif
#ifdef EBUSY
set_syserr(EBUSY, "EBUSY");
#endif
#ifdef EEXIST
set_syserr(EEXIST, "EEXIST");
#endif
#ifdef EXDEV
set_syserr(EXDEV, "EXDEV");
#endif
#ifdef ENODEV
set_syserr(ENODEV, "ENODEV");
#endif
#ifdef ENOTDIR
set_syserr(ENOTDIR, "ENOTDIR");
#endif
#ifdef EISDIR
set_syserr(EISDIR, "EISDIR");
#endif
#ifdef EINVAL
set_syserr(EINVAL, "EINVAL");
#endif
#ifdef ENFILE
set_syserr(ENFILE, "ENFILE");
#endif
#ifdef EMFILE
set_syserr(EMFILE, "EMFILE");
#endif
#ifdef ENOTTY
set_syserr(ENOTTY, "ENOTTY");
#endif
#ifdef ETXTBSY
set_syserr(ETXTBSY, "ETXTBSY");
#endif
#ifdef EFBIG
set_syserr(EFBIG, "EFBIG");
#endif
#ifdef ENOSPC
set_syserr(ENOSPC, "ENOSPC");
#endif
#ifdef ESPIPE
set_syserr(ESPIPE, "ESPIPE");
#endif
#ifdef EROFS
set_syserr(EROFS, "EROFS");
#endif
#ifdef EMLINK
set_syserr(EMLINK, "EMLINK");
#endif
#ifdef EPIPE
set_syserr(EPIPE, "EPIPE");
#endif
#ifdef EDOM
set_syserr(EDOM, "EDOM");
#endif
#ifdef ERANGE
set_syserr(ERANGE, "ERANGE");
#endif
#ifdef EDEADLK
set_syserr(EDEADLK, "EDEADLK");
#endif
#ifdef ENAMETOOLONG
set_syserr(ENAMETOOLONG, "ENAMETOOLONG");
#endif
#ifdef ENOLCK
set_syserr(ENOLCK, "ENOLCK");
#endif
#ifdef ENOSYS
set_syserr(ENOSYS, "ENOSYS");
#endif
#ifdef ENOTEMPTY
set_syserr(ENOTEMPTY, "ENOTEMPTY");
#endif
#ifdef ELOOP
set_syserr(ELOOP, "ELOOP");
#endif
#ifdef EWOULDBLOCK
set_syserr(EWOULDBLOCK, "EWOULDBLOCK");
#endif
#ifdef ENOMSG
set_syserr(ENOMSG, "ENOMSG");
#endif
#ifdef EIDRM
set_syserr(EIDRM, "EIDRM");
#endif
#ifdef ECHRNG
set_syserr(ECHRNG, "ECHRNG");
#endif
#ifdef EL2NSYNC
set_syserr(EL2NSYNC, "EL2NSYNC");
#endif
#ifdef EL3HLT
set_syserr(EL3HLT, "EL3HLT");
#endif
#ifdef EL3RST
set_syserr(EL3RST, "EL3RST");
#endif
#ifdef ELNRNG
set_syserr(ELNRNG, "ELNRNG");
#endif
#ifdef EUNATCH
set_syserr(EUNATCH, "EUNATCH");
#endif
#ifdef ENOCSI
set_syserr(ENOCSI, "ENOCSI");
#endif
#ifdef EL2HLT
set_syserr(EL2HLT, "EL2HLT");
#endif
#ifdef EBADE
set_syserr(EBADE, "EBADE");
#endif
#ifdef EBADR
set_syserr(EBADR, "EBADR");
#endif
#ifdef EXFULL
set_syserr(EXFULL, "EXFULL");
#endif
#ifdef ENOANO
set_syserr(ENOANO, "ENOANO");
#endif
#ifdef EBADRQC
set_syserr(EBADRQC, "EBADRQC");
#endif
#ifdef EBADSLT
set_syserr(EBADSLT, "EBADSLT");
#endif
#ifdef EDEADLOCK
set_syserr(EDEADLOCK, "EDEADLOCK");
#endif
#ifdef EBFONT
set_syserr(EBFONT, "EBFONT");
#endif
#ifdef ENOSTR
set_syserr(ENOSTR, "ENOSTR");
#endif
#ifdef ENODATA
set_syserr(ENODATA, "ENODATA");
#endif
#ifdef ETIME
set_syserr(ETIME, "ETIME");
#endif
#ifdef ENOSR
set_syserr(ENOSR, "ENOSR");
#endif
#ifdef ENONET
set_syserr(ENONET, "ENONET");
#endif
#ifdef ENOPKG
set_syserr(ENOPKG, "ENOPKG");
#endif
#ifdef EREMOTE
set_syserr(EREMOTE, "EREMOTE");
#endif
#ifdef ENOLINK
set_syserr(ENOLINK, "ENOLINK");
#endif
#ifdef EADV
set_syserr(EADV, "EADV");
#endif
#ifdef ESRMNT
set_syserr(ESRMNT, "ESRMNT");
#endif
#ifdef ECOMM
set_syserr(ECOMM, "ECOMM");
#endif
#ifdef EPROTO
set_syserr(EPROTO, "EPROTO");
#endif
#ifdef EMULTIHOP
set_syserr(EMULTIHOP, "EMULTIHOP");
#endif
#ifdef EDOTDOT
set_syserr(EDOTDOT, "EDOTDOT");
#endif
#ifdef EBADMSG
set_syserr(EBADMSG, "EBADMSG");
#endif
#ifdef EOVERFLOW
set_syserr(EOVERFLOW, "EOVERFLOW");
#endif
#ifdef ENOTUNIQ
set_syserr(ENOTUNIQ, "ENOTUNIQ");
#endif
#ifdef EBADFD
set_syserr(EBADFD, "EBADFD");
#endif
#ifdef EREMCHG
set_syserr(EREMCHG, "EREMCHG");
#endif
#ifdef ELIBACC
set_syserr(ELIBACC, "ELIBACC");
#endif
#ifdef ELIBBAD
set_syserr(ELIBBAD, "ELIBBAD");
#endif
#ifdef ELIBSCN
set_syserr(ELIBSCN, "ELIBSCN");
#endif
#ifdef ELIBMAX
set_syserr(ELIBMAX, "ELIBMAX");
#endif
#ifdef ELIBEXEC
set_syserr(ELIBEXEC, "ELIBEXEC");
#endif
#ifdef EILSEQ
set_syserr(EILSEQ, "EILSEQ");
#endif
#ifdef ERESTART
set_syserr(ERESTART, "ERESTART");
#endif
#ifdef ESTRPIPE
set_syserr(ESTRPIPE, "ESTRPIPE");
#endif
#ifdef EUSERS
set_syserr(EUSERS, "EUSERS");
#endif
#ifdef ENOTSOCK
set_syserr(ENOTSOCK, "ENOTSOCK");
#endif
#ifdef EDESTADDRREQ
set_syserr(EDESTADDRREQ, "EDESTADDRREQ");
#endif
#ifdef EMSGSIZE
set_syserr(EMSGSIZE, "EMSGSIZE");
#endif
#ifdef EPROTOTYPE
set_syserr(EPROTOTYPE, "EPROTOTYPE");
#endif
#ifdef ENOPROTOOPT
set_syserr(ENOPROTOOPT, "ENOPROTOOPT");
#endif
#ifdef EPROTONOSUPPORT
set_syserr(EPROTONOSUPPORT, "EPROTONOSUPPORT");
#endif
#ifdef ESOCKTNOSUPPORT
set_syserr(ESOCKTNOSUPPORT, "ESOCKTNOSUPPORT");
#endif
#ifdef EOPNOTSUPP
set_syserr(EOPNOTSUPP, "EOPNOTSUPP");
#endif
#ifdef EPFNOSUPPORT
set_syserr(EPFNOSUPPORT, "EPFNOSUPPORT");
#endif
#ifdef EAFNOSUPPORT
set_syserr(EAFNOSUPPORT, "EAFNOSUPPORT");
#endif
#ifdef EADDRINUSE
set_syserr(EADDRINUSE, "EADDRINUSE");
#endif
#ifdef EADDRNOTAVAIL
set_syserr(EADDRNOTAVAIL, "EADDRNOTAVAIL");
#endif
#ifdef ENETDOWN
set_syserr(ENETDOWN, "ENETDOWN");
#endif
#ifdef ENETUNREACH
set_syserr(ENETUNREACH, "ENETUNREACH");
#endif
#ifdef ENETRESET
set_syserr(ENETRESET, "ENETRESET");
#endif
#ifdef ECONNABORTED
set_syserr(ECONNABORTED, "ECONNABORTED");
#endif
#ifdef ECONNRESET
set_syserr(ECONNRESET, "ECONNRESET");
#endif
#ifdef ENOBUFS
set_syserr(ENOBUFS, "ENOBUFS");
#endif
#ifdef EISCONN
set_syserr(EISCONN, "EISCONN");
#endif
#ifdef ENOTCONN
set_syserr(ENOTCONN, "ENOTCONN");
#endif
#ifdef ESHUTDOWN
set_syserr(ESHUTDOWN, "ESHUTDOWN");
#endif
#ifdef ETOOMANYREFS
set_syserr(ETOOMANYREFS, "ETOOMANYREFS");
#endif
#ifdef ETIMEDOUT
set_syserr(ETIMEDOUT, "ETIMEDOUT");
#endif
#ifdef ECONNREFUSED
set_syserr(ECONNREFUSED, "ECONNREFUSED");
#endif
#ifdef EHOSTDOWN
set_syserr(EHOSTDOWN, "EHOSTDOWN");
#endif
#ifdef EHOSTUNREACH
set_syserr(EHOSTUNREACH, "EHOSTUNREACH");
#endif
#ifdef EALREADY
set_syserr(EALREADY, "EALREADY");
#endif
#ifdef EINPROGRESS
set_syserr(EINPROGRESS, "EINPROGRESS");
#endif
#ifdef ESTALE
set_syserr(ESTALE, "ESTALE");
#endif
#ifdef EUCLEAN
set_syserr(EUCLEAN, "EUCLEAN");
#endif
#ifdef ENOTNAM
set_syserr(ENOTNAM, "ENOTNAM");
#endif
#ifdef ENAVAIL
set_syserr(ENAVAIL, "ENAVAIL");
#endif
#ifdef EISNAM
set_syserr(EISNAM, "EISNAM");
#endif
#ifdef EREMOTEIO
set_syserr(EREMOTEIO, "EREMOTEIO");
#endif
#ifdef EDQUOT
set_syserr(EDQUOT, "EDQUOT");
#endif
}
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