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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

289
marshal.c
View file

@ -3,14 +3,13 @@
marshal.c -
$Author$
$Revision$
$Date$
created at: Thu Apr 27 16:30:01 JST 1995
************************************************/
#include "ruby.h"
#include "io.h"
#include "rubyio.h"
#include "st.h"
#define MARSHAL_MAJOR 4
@ -38,12 +37,7 @@
#define TYPE_LINK '@'
extern VALUE cString;
extern VALUE cRegexp;
extern VALUE cArray;
extern VALUE cHash;
VALUE rb_path2class();
VALUE rb_path2class _((char*));
static ID s_dump, s_load;
@ -69,7 +63,7 @@ w_byte(c, arg)
struct dump_arg *arg;
{
if (arg->fp) putc(c, arg->fp);
else str_cat(arg->str, (UCHAR*)&c, 1);
else rb_str_cat(arg->str, &c, 1);
}
static void
@ -83,7 +77,7 @@ w_bytes(s, n, arg)
fwrite(s, 1, n, arg->fp);
}
else {
str_cat(arg->str, s, n);
rb_str_cat(arg->str, s, n);
}
}
@ -94,7 +88,7 @@ w_short(x, arg)
{
int i;
for (i=0; i<sizeof(USHORT); i++) {
for (i=0; i<sizeof(short); i++) {
w_byte((x >> (i*8)) & 0xff, arg);
}
}
@ -155,7 +149,7 @@ w_symbol(id, arg)
else {
w_byte(TYPE_SYMBOL, arg);
w_bytes(sym, strlen(sym), arg);
st_insert(arg->symbol, id, arg->symbol->num_entries);
st_add_direct(arg->symbol, id, arg->symbol->num_entries);
}
}
@ -168,10 +162,9 @@ w_unique(s, arg)
}
static void w_object _((VALUE,struct dump_arg*,int));
extern VALUE cIO, cBignum, cStruct;
static int
hash_each(key, value, arg)
rb_hash_each(key, value, arg)
VALUE key, value;
struct dump_call_arg *arg;
{
@ -181,7 +174,7 @@ hash_each(key, value, arg)
}
static int
obj_each(id, value, arg)
rb_obj_each(id, value, arg)
ID id;
VALUE value;
struct dump_call_arg *arg;
@ -192,11 +185,11 @@ obj_each(id, value, arg)
}
static void
w_uclass(obj, class, arg)
VALUE obj, class;
w_uclass(obj, klass, arg)
VALUE obj, klass;
struct dump_arg *arg;
{
if (CLASS_OF(obj) != class) {
if (CLASS_OF(obj) != klass) {
w_byte(TYPE_UCLASS, arg);
w_unique(rb_class2name(CLASS_OF(obj)), arg);
}
@ -208,23 +201,18 @@ w_object(obj, arg, limit)
struct dump_arg *arg;
int limit;
{
int n;
struct dump_call_arg c_arg;
if (limit == 0) {
Fail("exceed depth limit");
rb_raise(rb_eRuntimeError, "exceed depth limit");
}
limit--;
c_arg.limit = limit;
c_arg.arg = arg;
if (obj == Qnil) {
w_byte(TYPE_NIL, arg);
}
else if (obj == TRUE) {
else if (obj == Qtrue) {
w_byte(TYPE_TRUE, arg);
}
else if (obj == FALSE) {
else if (obj == Qfalse) {
w_byte(TYPE_FALSE, arg);
}
else if (FIXNUM_P(obj)) {
@ -232,26 +220,30 @@ w_object(obj, arg, limit)
w_byte(TYPE_FIXNUM, arg);
w_long(FIX2INT(obj), arg);
#else
if (RSHIFT(obj, 32) == 0 || RSHIFT(obj, 32) == -1) {
if (RSHIFT((long)obj, 32) == 0 || RSHIFT((long)obj, 32) == -1) {
w_byte(TYPE_FIXNUM, arg);
w_long(FIX2INT(obj), arg);
w_long(FIX2LONG(obj), arg);
}
else {
obj = int2big(FIX2INT(obj));
goto write_bignum;
w_object(rb_int2big(FIX2LONG(obj)), arg, limit);
return;
}
#endif
}
else {
int num;
limit--;
c_arg.limit = limit;
c_arg.arg = arg;
if (st_lookup(arg->data, obj, &num)) {
w_byte(TYPE_LINK, arg);
w_long(num, arg);
return;
}
st_insert(arg->data, obj, arg->data->num_entries);
st_add_direct(arg->data, obj, arg->data->num_entries);
if (rb_respond_to(obj, s_dump)) {
VALUE v;
@ -259,7 +251,7 @@ w_object(obj, arg, limit)
w_unique(rb_class2name(CLASS_OF(obj)), arg);
v = rb_funcall(obj, s_dump, 1, limit);
if (TYPE(v) != T_STRING) {
TypeError("_dump_to must return String");
rb_raise(rb_eTypeError, "_dump_to must return String");
}
w_bytes(RSTRING(v)->ptr, RSTRING(v)->len, arg);
return;
@ -281,12 +273,11 @@ w_object(obj, arg, limit)
return;
case T_BIGNUM:
write_bignum:
w_byte(TYPE_BIGNUM, arg);
{
char sign = RBIGNUM(obj)->sign?'+':'-';
int len = RBIGNUM(obj)->len;
USHORT *d = RBIGNUM(obj)->digits;
unsigned short *d = RBIGNUM(obj)->digits;
w_byte(sign, arg);
w_long(len, arg);
@ -298,20 +289,20 @@ w_object(obj, arg, limit)
return;
case T_STRING:
w_uclass(obj, cString, arg);
w_uclass(obj, rb_cString, arg);
w_byte(TYPE_STRING, arg);
w_bytes(RSTRING(obj)->ptr, RSTRING(obj)->len, arg);
return;
case T_REGEXP:
w_uclass(obj, cRegexp, arg);
w_uclass(obj, rb_cRegexp, arg);
w_byte(TYPE_REGEXP, arg);
w_bytes(RREGEXP(obj)->str, RREGEXP(obj)->len, arg);
w_byte(FL_TEST(obj, FL_USER1), arg);
w_byte(rb_reg_options(obj), arg);
return;
case T_ARRAY:
w_uclass(obj, cArray, arg);
w_uclass(obj, rb_cArray, arg);
w_byte(TYPE_ARRAY, arg);
{
int len = RARRAY(obj)->len;
@ -326,10 +317,10 @@ w_object(obj, arg, limit)
break;
case T_HASH:
w_uclass(obj, cHash, arg);
w_uclass(obj, rb_cHash, arg);
w_byte(TYPE_HASH, arg);
w_long(RHASH(obj)->tbl->num_entries, arg);
st_foreach(RHASH(obj)->tbl, hash_each, &c_arg);
st_foreach(RHASH(obj)->tbl, rb_hash_each, &c_arg);
break;
case T_STRUCT:
@ -344,10 +335,10 @@ w_object(obj, arg, limit)
w_long(len, arg);
mem = rb_ivar_get(CLASS_OF(obj), rb_intern("__member__"));
if (mem == Qnil) {
Fatal("non-initialized struct");
rb_raise(rb_eTypeError, "non-initialized struct");
}
for (i=0; i<len; i++) {
w_symbol(FIX2INT(RARRAY(mem)->ptr[i]), arg);
w_symbol(FIX2LONG(RARRAY(mem)->ptr[i]), arg);
w_object(RSTRUCT(obj)->ptr[i], arg, limit);
}
}
@ -356,17 +347,17 @@ w_object(obj, arg, limit)
case T_OBJECT:
w_byte(TYPE_OBJECT, arg);
{
VALUE class = CLASS_OF(obj);
VALUE klass = CLASS_OF(obj);
char *path;
if (FL_TEST(class, FL_SINGLETON)) {
TypeError("singleton can't be dumped");
if (FL_TEST(klass, FL_SINGLETON)) {
rb_raise(rb_eTypeError, "singleton can't be dumped");
}
path = rb_class2name(class);
path = rb_class2name(klass);
w_unique(path, arg);
if (ROBJECT(obj)->iv_tbl) {
w_long(ROBJECT(obj)->iv_tbl->num_entries, arg);
st_foreach(ROBJECT(obj)->iv_tbl, obj_each, &c_arg);
st_foreach(ROBJECT(obj)->iv_tbl, rb_obj_each, &c_arg);
}
else {
w_long(0, arg);
@ -375,7 +366,8 @@ w_object(obj, arg, limit)
break;
default:
TypeError("can't dump %s", rb_class2name(CLASS_OF(obj)));
rb_raise(rb_eTypeError, "can't dump %s",
rb_class2name(CLASS_OF(obj)));
break;
}
}
@ -386,6 +378,7 @@ dump(arg)
struct dump_call_arg *arg;
{
w_object(arg->obj, arg->arg, arg->limit);
return 0;
}
static VALUE
@ -394,6 +387,7 @@ dump_ensure(arg)
{
st_free_table(arg->symbol);
st_free_table(arg->data);
return 0;
}
static VALUE
@ -403,7 +397,6 @@ marshal_dump(argc, argv)
{
VALUE obj, port, a1, a2;
int limit = -1;
extern VALUE cIO;
struct dump_arg arg;
struct dump_call_arg c_arg;
@ -418,21 +411,21 @@ marshal_dump(argc, argv)
else port = a1;
}
if (port) {
if (obj_is_kind_of(port, cIO)) {
if (rb_obj_is_kind_of(port, rb_cIO)) {
OpenFile *fptr;
io_binmode(port);
rb_io_binmode(port);
GetOpenFile(port, fptr);
io_writable(fptr);
rb_io_check_writable(fptr);
arg.fp = (fptr->f2) ? fptr->f2 : fptr->f;
}
else {
TypeError("instance of IO needed");
rb_raise(rb_eTypeError, "instance of IO needed");
}
}
else {
arg.fp = 0;
port = str_new(0, 0);
port = rb_str_new(0, 0);
arg.str = port;
}
@ -445,14 +438,14 @@ marshal_dump(argc, argv)
w_byte(MARSHAL_MAJOR, &arg);
w_byte(MARSHAL_MINOR, &arg);
rb_ensure(dump, &c_arg, dump_ensure, &arg);
rb_ensure(dump, (VALUE)&c_arg, dump_ensure, (VALUE)&arg);
return port;
}
struct load_arg {
FILE *fp;
UCHAR *ptr, *end;
char *ptr, *end;
st_table *symbol;
st_table *data;
VALUE proc;
@ -463,19 +456,19 @@ r_byte(arg)
struct load_arg *arg;
{
if (arg->fp) return getc(arg->fp);
if (arg->ptr < arg->end) return *arg->ptr++;
if (arg->ptr < arg->end) return *(unsigned char*)arg->ptr++;
return EOF;
}
static USHORT
static unsigned short
r_short(arg)
struct load_arg *arg;
{
USHORT x;
unsigned short x;
int i;
x = 0;
for (i=0; i<sizeof(USHORT); i++) {
for (i=0; i<sizeof(short); i++) {
x |= r_byte(arg)<<(i*8);
}
@ -486,16 +479,17 @@ static void
long_toobig(size)
int size;
{
TypeError("long too big for this architecture (size %d, given %d)",
sizeof(long), size);
rb_raise(rb_eTypeError, "long too big for this architecture (size %d, given %d)",
sizeof(long), size);
}
static long
r_long(arg)
struct load_arg *arg;
{
int c = r_byte(arg), i;
register long x;
int c = (char)r_byte(arg);
int i;
if (c == 0) return 0;
if (c > 0) {
@ -505,7 +499,7 @@ r_long(arg)
x |= (long)r_byte(arg) << (8*i);
}
}
else if (c < 0) {
else {
c = -c;
if (c > sizeof(long)) long_toobig((int)c);
x = -1;
@ -517,12 +511,20 @@ r_long(arg)
return x;
}
#define r_bytes(s, arg) \
(s = (char*)r_long(arg), r_bytes0(&s,ALLOCA_N(char,(long)s),(long)s,arg))
#define r_bytes2(s, len, arg) do { \
(len) = r_long(arg); \
(s) = ALLOCA_N(char,(len)+1); \
r_bytes0((s),(len),(arg)); \
} while (0)
static int
r_bytes0(sp, s, len, arg)
char **sp, *s;
#define r_bytes(s, arg) do { \
int r_bytes_len; \
r_bytes2((s), r_bytes_len, (arg)); \
} while (0)
static void
r_bytes0(s, len, arg)
char *s;
int len;
struct load_arg *arg;
{
@ -536,11 +538,7 @@ r_bytes0(sp, s, len, arg)
memcpy(s, arg->ptr, len);
arg->ptr += len;
}
(s)[len] = '\0';
*sp = s;
return len;
s[len] = '\0';
}
static ID
@ -549,7 +547,6 @@ r_symbol(arg)
{
char *buf;
ID id;
char type;
if (r_byte(arg) == TYPE_SYMLINK) {
int num = r_long(arg);
@ -557,7 +554,7 @@ r_symbol(arg)
if (st_lookup(arg->symbol, num, &id)) {
return id;
}
TypeError("bad symbol");
rb_raise(rb_eTypeError, "bad symbol");
}
r_bytes(buf, arg);
id = rb_intern(buf);
@ -578,9 +575,10 @@ r_string(arg)
struct load_arg *arg;
{
char *buf;
int len = r_bytes(buf, arg);
int len;
return str_taint(str_new(buf, len));
r_bytes2(buf, len, arg);
return rb_str_new(buf, len);
}
static VALUE
@ -588,6 +586,7 @@ r_regist(v, arg)
VALUE v;
struct load_arg *arg;
{
OBJ_TAINT(v);
if (arg->proc) {
rb_funcall(arg->proc, rb_intern("call"), 1, v);
}
@ -604,14 +603,14 @@ r_object(arg)
switch (type) {
case EOF:
eof_error();
rb_eof_error();
return Qnil;
case TYPE_LINK:
if (st_lookup(arg->data, r_long(arg), &v)) {
return v;
}
ArgError("dump format error (unlinked)");
rb_raise(rb_eArgError, "dump format error (unlinked)");
break;
case TYPE_UCLASS:
@ -619,9 +618,9 @@ r_object(arg)
VALUE c = rb_path2class(r_unique(arg));
v = r_object(arg);
if (rb_special_const_p(v)) {
ArgError("dump format error (user class)");
rb_raise(rb_eArgError, "dump format error (user class)");
}
RBASIC(v)->class = c;
RBASIC(v)->klass = c;
return v;
}
@ -629,10 +628,10 @@ r_object(arg)
return Qnil;
case TYPE_TRUE:
return TRUE;
return Qtrue;
case TYPE_FALSE:
return FALSE;
return Qfalse;
case TYPE_FIXNUM:
{
@ -648,26 +647,26 @@ r_object(arg)
char *buf;
r_bytes(buf, arg);
v = float_new(atof(buf));
v = rb_float_new(atof(buf));
return r_regist(v, arg);
}
case TYPE_BIGNUM:
{
int len;
USHORT *digits;
unsigned short *digits;
NEWOBJ(big, struct RBignum);
OBJSETUP(big, cBignum, T_BIGNUM);
OBJSETUP(big, rb_cBignum, T_BIGNUM);
big->sign = (r_byte(arg) == '+');
big->len = len = r_long(arg);
big->digits = digits = ALLOC_N(USHORT, len);
big->digits = digits = ALLOC_N(unsigned short, len);
while (len--) {
*digits++ = r_short(arg);
}
big = RBIGNUM(big_norm((VALUE)big));
big = RBIGNUM(rb_big_norm((VALUE)big));
if (TYPE(big) == T_BIGNUM) {
r_regist(big, arg);
r_regist((VALUE)big, arg);
}
return (VALUE)big;
}
@ -678,18 +677,21 @@ r_object(arg)
case TYPE_REGEXP:
{
char *buf;
int len = r_bytes(buf, arg);
int ci = r_byte(arg);
return r_regist(reg_new(buf, len, ci), arg);
int len;
int options;
r_bytes2(buf, len, arg);
options = r_byte(arg);
return r_regist(rb_reg_new(buf, len, options), arg);
}
case TYPE_ARRAY:
{
volatile int len = r_long(arg);
v = ary_new2(len);
v = rb_ary_new2(len);
r_regist(v, arg);
while (len--) {
ary_push(v, r_object(arg));
rb_ary_push(v, r_object(arg));
}
return v;
}
@ -698,46 +700,46 @@ r_object(arg)
{
int len = r_long(arg);
v = hash_new();
v = rb_hash_new();
r_regist(v, arg);
while (len--) {
VALUE key = r_object(arg);
VALUE value = r_object(arg);
hash_aset(v, key, value);
rb_hash_aset(v, key, value);
}
return v;
}
case TYPE_STRUCT:
{
VALUE class, mem, values;
VALUE klass, mem, values;
volatile int i; /* gcc 2.7.2.3 -O2 bug?? */
int len;
ID slot;
class = rb_path2class(r_unique(arg));
mem = rb_ivar_get(class, rb_intern("__member__"));
klass = rb_path2class(r_unique(arg));
mem = rb_ivar_get(klass, rb_intern("__member__"));
if (mem == Qnil) {
Fatal("non-initialized struct");
rb_raise(rb_eTypeError, "non-initialized struct");
}
len = r_long(arg);
values = ary_new2(len);
values = rb_ary_new2(len);
for (i=0; i<len; i++) {
ary_push(values, Qnil);
rb_ary_push(values, Qnil);
}
v = struct_alloc(class, values);
v = rb_struct_alloc(klass, values);
r_regist(v, arg);
for (i=0; i<len; i++) {
slot = r_symbol(arg);
if (RARRAY(mem)->ptr[i] != INT2FIX(slot)) {
TypeError("struct %s not compatible (:%s for :%s)",
rb_class2name(class),
rb_id2name(slot),
rb_id2name(FIX2INT(RARRAY(mem)->ptr[i])));
rb_raise(rb_eTypeError, "struct %s not compatible (:%s for :%s)",
rb_class2name(klass),
rb_id2name(slot),
rb_id2name(FIX2INT(RARRAY(mem)->ptr[i])));
}
struct_aset(v, INT2FIX(i), r_object(arg));
rb_struct_aset(v, INT2FIX(i), r_object(arg));
}
return v;
}
@ -745,27 +747,26 @@ r_object(arg)
case TYPE_USERDEF:
{
VALUE class;
int len;
VALUE klass;
class = rb_path2class(r_unique(arg));
if (rb_respond_to(class, s_load)) {
v = rb_funcall(class, s_load, 1, r_string(arg));
klass = rb_path2class(r_unique(arg));
if (rb_respond_to(klass, s_load)) {
v = rb_funcall(klass, s_load, 1, r_string(arg));
return r_regist(v, arg);
}
TypeError("class %s needs to have method `_load_from'",
rb_class2name(class));
rb_raise(rb_eTypeError, "class %s needs to have method `_load_from'",
rb_class2name(klass));
}
break;
case TYPE_OBJECT:
{
VALUE class;
VALUE klass;
int len;
class = rb_path2class(r_unique(arg));
klass = rb_path2class(r_unique(arg));
len = r_long(arg);
v = obj_alloc(class);
v = rb_obj_alloc(klass);
r_regist(v, arg);
if (len > 0) {
while (len--) {
@ -786,9 +787,10 @@ r_object(arg)
}
default:
ArgError("dump format error(0x%x)", type);
rb_raise(rb_eArgError, "dump format error(0x%x)", type);
break;
}
return Qnil; /* not reached */
}
static VALUE
@ -804,6 +806,7 @@ load_ensure(arg)
{
st_free_table(arg->symbol);
st_free_table(arg->data);
return 0;
}
static VALUE
@ -812,57 +815,57 @@ marshal_load(argc, argv)
VALUE *argv;
{
VALUE port, proc;
FILE *fp;
int major;
VALUE v;
OpenFile *fptr;
struct load_arg arg;
rb_scan_args(argc, argv, "11", &port, &proc);
if (TYPE(port) == T_STRING) {
if (rb_obj_is_kind_of(port, rb_cIO)) {
rb_io_binmode(port);
GetOpenFile(port, fptr);
rb_io_check_readable(fptr);
arg.fp = fptr->f;
}
else if (rb_respond_to(port, rb_intern("to_str"))) {
int len;
arg.fp = 0;
arg.ptr = RSTRING(port)->ptr;
arg.end = arg.ptr + RSTRING(port)->len;
arg.ptr = str2cstr(port, &len);
arg.end = arg.ptr + len;
}
else {
if (obj_is_kind_of(port, cIO)) {
io_binmode(port);
GetOpenFile(port, fptr);
io_readable(fptr);
arg.fp = fptr->f;
}
else {
TypeError("instance of IO needed");
}
rb_raise(rb_eTypeError, "instance of IO needed");
}
major = r_byte(&arg);
if (major == MARSHAL_MAJOR) {
if (r_byte(&arg) != MARSHAL_MINOR) {
Warning("Old marshal file format (can be read)");
rb_warn("Old marshal file format (can be read)");
}
arg.symbol = st_init_numtable();
arg.data = st_init_numtable();
if (NIL_P(proc)) arg.proc = 0;
else arg.proc = proc;
v = rb_ensure(load, &arg, load_ensure, &arg);
v = rb_ensure(load, (VALUE)&arg, load_ensure, (VALUE)&arg);
}
else {
TypeError("Old marshal file format (can't read)");
rb_raise(rb_eTypeError, "Old marshal file format (can't read)");
}
return v;
}
void
Init_marshal()
{
VALUE mMarshal = rb_define_module("Marshal");
VALUE rb_mMarshal = rb_define_module("Marshal");
s_dump = rb_intern("_dump_to");
s_load = rb_intern("_load_from");
rb_define_module_function(mMarshal, "dump", marshal_dump, -1);
rb_define_module_function(mMarshal, "load", marshal_load, -1);
rb_define_module_function(mMarshal, "restore", marshal_load, 1);
s_dump = rb_intern("_dump");
s_load = rb_intern("_load");
rb_define_module_function(rb_mMarshal, "dump", marshal_dump, -1);
rb_define_module_function(rb_mMarshal, "load", marshal_load, -1);
rb_define_module_function(rb_mMarshal, "restore", marshal_load, 1);
rb_provide("marshal.o"); /* for backward compatibility */
rb_provide("marshal.so"); /* for backward compatibility */
}