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-rw-r--r--marshal.c1171
1 files changed, 0 insertions, 1171 deletions
diff --git a/marshal.c b/marshal.c
deleted file mode 100644
index 4bd7a35ecb..0000000000
--- a/marshal.c
+++ /dev/null
@@ -1,1171 +0,0 @@
-/**********************************************************************
-
- marshal.c -
-
- $Author$
- $Date$
- created at: Thu Apr 27 16:30:01 JST 1995
-
- Copyright (C) 1993-2001 Yukihiro Matsumoto
-
-**********************************************************************/
-
-#include <math.h>
-
-#include "ruby.h"
-#include "rubyio.h"
-#include "st.h"
-
-#if !defined(atof) && !defined(HAVE_STDLIB_H)
-double strtod();
-#endif
-
-#if SIZEOF_INT*2 <= SIZEOF_LONG_LONG || SIZEOF_INT*2 <= SIZEOF_LONG
-typedef unsigned int BDIGIT;
-#define SIZEOF_BDIGITS SIZEOF_INT
-#else
-typedef unsigned short BDIGIT;
-#define SIZEOF_BDIGITS SIZEOF_SHORT
-#endif
-
-#define BITSPERSHORT (2*CHAR_BIT)
-#define SHORTMASK ((1<<BITSPERSHORT)-1)
-#define SHORTDN(x) RSHIFT(x,BITSPERSHORT)
-
-#if SIZEOF_SHORT == SIZEOF_BDIGITS
-#define SHORTLEN(x) (x)
-#else
-static int
-shortlen(len, ds)
- long len;
- BDIGIT *ds;
-{
- BDIGIT num;
- int offset = 0;
-
- num = ds[len-1];
- while (num) {
- num = SHORTDN(num);
- offset++;
- }
- return (len - 1)*sizeof(BDIGIT)/2 + offset;
-}
-#define SHORTLEN(x) shortlen((x),d)
-#endif
-
-#define MARSHAL_MAJOR 4
-#define MARSHAL_MINOR 7
-
-#define TYPE_NIL '0'
-#define TYPE_TRUE 'T'
-#define TYPE_FALSE 'F'
-#define TYPE_FIXNUM 'i'
-
-#define TYPE_UCLASS 'C'
-#define TYPE_OBJECT 'o'
-#define TYPE_USERDEF 'u'
-#define TYPE_USRMARHAL 'U'
-#define TYPE_FLOAT 'f'
-#define TYPE_BIGNUM 'l'
-#define TYPE_STRING '"'
-#define TYPE_REGEXP '/'
-#define TYPE_ARRAY '['
-#define TYPE_HASH '{'
-#define TYPE_HASH_DEF '}'
-#define TYPE_STRUCT 'S'
-#define TYPE_MODULE_OLD 'M'
-#define TYPE_CLASS 'c'
-#define TYPE_MODULE 'm'
-
-#define TYPE_SYMBOL ':'
-#define TYPE_SYMLINK ';'
-
-#define TYPE_IVAR 'I'
-#define TYPE_LINK '@'
-
-static ID s_dump, s_load;
-
-struct dump_arg {
- VALUE obj;
- FILE *fp;
- VALUE str;
- st_table *symbol;
- st_table *data;
- int taint;
-};
-
-struct dump_call_arg {
- VALUE obj;
- struct dump_arg *arg;
- int limit;
-};
-
-static void w_long _((long, struct dump_arg*));
-
-static void
-w_byte(c, arg)
- char c;
- struct dump_arg *arg;
-{
- if (arg->fp) putc(c, arg->fp);
- else rb_str_buf_cat(arg->str, &c, 1);
-}
-
-static void
-w_bytes(s, n, arg)
- char *s;
- int n;
- struct dump_arg *arg;
-{
- w_long(n, arg);
- if (arg->fp) {
- fwrite(s, 1, n, arg->fp);
- }
- else {
- rb_str_cat(arg->str, s, n);
- }
-}
-
-static void
-w_short(x, arg)
- int x;
- struct dump_arg *arg;
-{
- w_byte((x >> 0) & 0xff, arg);
- w_byte((x >> 8) & 0xff, arg);
-}
-
-static void
-w_long(x, arg)
- long x;
- struct dump_arg *arg;
-{
- char buf[sizeof(long)+1];
- int i, len = 0;
-
-#if SIZEOF_LONG > 4
- if (!(RSHIFT(x, 31) == 0 || RSHIFT(x, 31) == -1)) {
- /* big long does not fit in 4 bytes */
- rb_raise(rb_eTypeError, "long too big to dump");
- }
-#endif
-
- if (x == 0) {
- w_byte(0, arg);
- return;
- }
- if (0 < x && x < 123) {
- w_byte(x + 5, arg);
- return;
- }
- if (-124 < x && x < 0) {
- w_byte((x - 5)&0xff, arg);
- return;
- }
- for (i=1;i<sizeof(long)+1;i++) {
- buf[i] = x & 0xff;
- x = RSHIFT(x,8);
- if (x == 0) {
- buf[0] = i;
- break;
- }
- if (x == -1) {
- buf[0] = -i;
- break;
- }
- }
- len = i;
- for (i=0;i<=len;i++) {
- w_byte(buf[i], arg);
- }
-}
-
-static void
-w_float(d, arg)
- double d;
- struct dump_arg *arg;
-{
- char buf[100];
-
- if (isinf(d)) {
- if (d < 0) strcpy(buf, "-inf");
- else strcpy(buf, "inf");
- }
- else if (isnan(d)) {
- strcpy(buf, "nan");
- }
- else if (d == 0.0) {
- if (1.0/d < 0) strcpy(buf, "-0");
- else strcpy(buf, "0");
- }
- else {
- /* xxx: should not use system's sprintf(3) */
- sprintf(buf, "%.16g", d);
- }
- w_bytes(buf, strlen(buf), arg);
-}
-
-static void
-w_symbol(id, arg)
- ID id;
- struct dump_arg *arg;
-{
- char *sym = rb_id2name(id);
- long num;
-
- if (st_lookup(arg->symbol, id, &num)) {
- w_byte(TYPE_SYMLINK, arg);
- w_long(num, arg);
- }
- else {
- w_byte(TYPE_SYMBOL, arg);
- w_bytes(sym, strlen(sym), arg);
- st_add_direct(arg->symbol, id, arg->symbol->num_entries);
- }
-}
-
-static void
-w_unique(s, arg)
- char *s;
- struct dump_arg *arg;
-{
- if (s[0] == '#') {
- rb_raise(rb_eArgError, "can't dump anonymous class %s", s);
- }
- w_symbol(rb_intern(s), arg);
-}
-
-static void w_object _((VALUE,struct dump_arg*,int));
-
-static int
-hash_each(key, value, arg)
- VALUE key, value;
- struct dump_call_arg *arg;
-{
- w_object(key, arg->arg, arg->limit);
- w_object(value, arg->arg, arg->limit);
- return ST_CONTINUE;
-}
-
-static int
-obj_each(id, value, arg)
- ID id;
- VALUE value;
- struct dump_call_arg *arg;
-{
- w_symbol(id, arg->arg);
- w_object(value, arg->arg, arg->limit);
- return ST_CONTINUE;
-}
-
-static void
-w_uclass(obj, klass, arg)
- VALUE obj, klass;
- struct dump_arg *arg;
-{
- if (rb_obj_class(obj) != klass) {
- w_byte(TYPE_UCLASS, arg);
- w_unique(rb_class2name(CLASS_OF(obj)), arg);
- }
-}
-
-static void
-w_ivar(tbl, arg)
- st_table *tbl;
- struct dump_call_arg *arg;
-{
- if (tbl) {
- w_long(tbl->num_entries, arg->arg);
- st_foreach(tbl, obj_each, arg);
- }
- else {
- w_long(0, arg->arg);
- }
-}
-
-static void
-w_object(obj, arg, limit)
- VALUE obj;
- struct dump_arg *arg;
- int limit;
-{
- struct dump_call_arg c_arg;
- st_table *ivtbl = 0;
-
- if (limit == 0) {
- rb_raise(rb_eArgError, "exceed depth limit");
- }
- if (obj == Qnil) {
- w_byte(TYPE_NIL, arg);
- }
- else if (obj == Qtrue) {
- w_byte(TYPE_TRUE, arg);
- }
- else if (obj == Qfalse) {
- w_byte(TYPE_FALSE, arg);
- }
- else if (FIXNUM_P(obj)) {
-#if SIZEOF_LONG <= 4
- w_byte(TYPE_FIXNUM, arg);
- w_long(FIX2INT(obj), arg);
-#else
- if (RSHIFT((long)obj, 31) == 0 || RSHIFT((long)obj, 31) == -1) {
- w_byte(TYPE_FIXNUM, arg);
- w_long(FIX2LONG(obj), arg);
- }
- else {
- w_object(rb_int2big(FIX2LONG(obj)), arg, limit);
- return;
- }
-#endif
- }
- else if (SYMBOL_P(obj)) {
- w_symbol(SYM2ID(obj), arg);
- return;
- }
- else {
- long 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;
- }
-
- if (OBJ_TAINTED(obj)) arg->taint = Qtrue;
-
- st_add_direct(arg->data, obj, arg->data->num_entries);
- if (rb_respond_to(obj, s_dump)) {
- VALUE v;
-
- w_byte(TYPE_USERDEF, arg);
- w_unique(rb_class2name(CLASS_OF(obj)), arg);
- v = rb_funcall(obj, s_dump, 1, INT2NUM(limit));
- if (TYPE(v) != T_STRING) {
- rb_raise(rb_eTypeError, "_dump() must return String");
- }
- w_bytes(RSTRING(v)->ptr, RSTRING(v)->len, arg);
- return;
- }
-
- if (ivtbl = rb_generic_ivar_table(obj)) {
- w_byte(TYPE_IVAR, arg);
- }
-
- switch (BUILTIN_TYPE(obj)) {
- case T_CLASS:
- if (FL_TEST(obj, FL_SINGLETON)) {
- rb_raise(rb_eTypeError, "singleton class can't be dumped");
- }
- w_byte(TYPE_CLASS, arg);
- {
- VALUE path = rb_class_path(obj);
- if (RSTRING(path)->ptr[0] == '#') {
- rb_raise(rb_eArgError, "can't dump anonymous class %s",
- RSTRING(path)->ptr);
- }
- w_bytes(RSTRING(path)->ptr, RSTRING(path)->len, arg);
- }
- break;
-
- case T_MODULE:
- w_byte(TYPE_MODULE, arg);
- {
- VALUE path = rb_class_path(obj);
- if (RSTRING(path)->ptr[0] == '#') {
- rb_raise(rb_eArgError, "can't dump anonymous module %s",
- RSTRING(path)->ptr);
- }
- w_bytes(RSTRING(path)->ptr, RSTRING(path)->len, arg);
- }
- break;
-
- case T_FLOAT:
- w_byte(TYPE_FLOAT, arg);
- w_float(RFLOAT(obj)->value, arg);
- break;
-
- case T_BIGNUM:
- w_byte(TYPE_BIGNUM, arg);
- {
- char sign = RBIGNUM(obj)->sign ? '+' : '-';
- long len = RBIGNUM(obj)->len;
- BDIGIT *d = RBIGNUM(obj)->digits;
-
- w_byte(sign, arg);
- w_long(SHORTLEN(len), arg); /* w_short? */
- while (len--) {
-#if SIZEOF_BDIGITS > SIZEOF_SHORT
- BDIGIT num = *d;
- int i;
-
- for (i=0; i<SIZEOF_BDIGITS; i+=SIZEOF_SHORT) {
- w_short(num & SHORTMASK, arg);
- num = SHORTDN(num);
- if (len == 0 && num == 0) break;
- }
-#else
- w_short(*d, arg);
-#endif
- d++;
- }
- }
- break;
-
- case T_STRING:
- w_uclass(obj, rb_cString, arg);
- w_byte(TYPE_STRING, arg);
- w_bytes(RSTRING(obj)->ptr, RSTRING(obj)->len, arg);
- break;
-
- case T_REGEXP:
- w_uclass(obj, rb_cRegexp, arg);
- w_byte(TYPE_REGEXP, arg);
- w_bytes(RREGEXP(obj)->str, RREGEXP(obj)->len, arg);
- w_byte(rb_reg_options(obj), arg);
- break;
-
- case T_ARRAY:
- w_uclass(obj, rb_cArray, arg);
- w_byte(TYPE_ARRAY, arg);
- {
- long len = RARRAY(obj)->len;
- VALUE *ptr = RARRAY(obj)->ptr;
-
- w_long(len, arg);
- while (len--) {
- w_object(*ptr, arg, limit);
- ptr++;
- }
- }
- break;
-
- case T_HASH:
- w_uclass(obj, rb_cHash, arg);
- if (!NIL_P(RHASH(obj)->ifnone)) {
- w_byte(TYPE_HASH_DEF, arg);
- }
- else {
- w_byte(TYPE_HASH, arg);
- }
- w_long(RHASH(obj)->tbl->num_entries, arg);
- st_foreach(RHASH(obj)->tbl, hash_each, &c_arg);
- if (!NIL_P(RHASH(obj)->ifnone)) {
- w_object(RHASH(obj)->ifnone, arg, limit);
- }
- break;
-
- case T_STRUCT:
- w_byte(TYPE_STRUCT, arg);
- {
- long len = RSTRUCT(obj)->len;
- VALUE mem;
- long i;
-
- w_unique(rb_class2name(CLASS_OF(obj)), arg);
- w_long(len, arg);
- mem = rb_struct_iv_get(rb_obj_class(obj), "__member__");
- if (mem == Qnil) {
- rb_raise(rb_eTypeError, "uninitialized struct");
- }
- for (i=0; i<len; i++) {
- w_symbol(SYM2ID(RARRAY(mem)->ptr[i]), arg);
- w_object(RSTRUCT(obj)->ptr[i], arg, limit);
- }
- }
- break;
-
- case T_OBJECT:
- w_byte(TYPE_OBJECT, arg);
- {
- VALUE klass = CLASS_OF(obj);
- char *path;
-
- while (FL_TEST(klass, FL_SINGLETON) || BUILTIN_TYPE(klass) == T_ICLASS) {
- if (RCLASS(klass)->m_tbl->num_entries > 0 ||
- RCLASS(klass)->iv_tbl->num_entries > 1) {
- rb_raise(rb_eTypeError, "singleton can't be dumped");
- }
- klass = RCLASS(klass)->super;
- }
- path = rb_class2name(klass);
- w_unique(path, arg);
- w_ivar(ROBJECT(obj)->iv_tbl, &c_arg);
- }
- break;
-
- default:
- rb_raise(rb_eTypeError, "can't dump %s",
- rb_class2name(CLASS_OF(obj)));
- break;
- }
- }
- if (ivtbl) {
- w_ivar(ivtbl, &c_arg);
- }
-}
-
-static VALUE
-dump(arg)
- struct dump_call_arg *arg;
-{
- w_object(arg->obj, arg->arg, arg->limit);
- return 0;
-}
-
-static VALUE
-dump_ensure(arg)
- struct dump_arg *arg;
-{
- st_free_table(arg->symbol);
- st_free_table(arg->data);
- if (!arg->fp && arg->taint) {
- OBJ_TAINT(arg->str);
- }
- return 0;
-}
-
-static VALUE
-marshal_dump(argc, argv)
- int argc;
- VALUE* argv;
-{
- VALUE obj, port, a1, a2;
- int limit = -1;
- struct dump_arg arg;
- struct dump_call_arg c_arg;
-
- port = 0;
- rb_scan_args(argc, argv, "12", &obj, &a1, &a2);
- if (argc == 3) {
- if (!NIL_P(a2)) limit = NUM2INT(a2);
- port = a1;
- }
- else if (argc == 2) {
- if (FIXNUM_P(a1)) limit = FIX2INT(a1);
- else port = a1;
- }
- if (port) {
- if (rb_obj_is_kind_of(port, rb_cIO)) {
- OpenFile *fptr;
-
- rb_io_binmode(port);
- GetOpenFile(port, fptr);
- rb_io_check_writable(fptr);
- arg.fp = (fptr->f2) ? fptr->f2 : fptr->f;
- }
- else {
- rb_raise(rb_eTypeError, "instance of IO needed");
- }
- }
- else {
- arg.fp = 0;
- port = rb_str_buf_new(0);
- arg.str = port;
- }
-
- arg.symbol = st_init_numtable();
- arg.data = st_init_numtable();
- arg.taint = Qfalse;
- c_arg.obj = obj;
- c_arg.arg = &arg;
- c_arg.limit = limit;
-
- w_byte(MARSHAL_MAJOR, &arg);
- w_byte(MARSHAL_MINOR, &arg);
-
- rb_ensure(dump, (VALUE)&c_arg, dump_ensure, (VALUE)&arg);
-
- return port;
-}
-
-struct load_arg {
- FILE *fp;
- char *ptr, *end;
- st_table *symbol;
- VALUE data;
- VALUE proc;
- int taint;
-};
-
-static VALUE r_object _((struct load_arg *arg));
-
-static int
-r_byte(arg)
- struct load_arg *arg;
-{
- int c;
-
- if (arg->fp) {
- c = rb_getc(arg->fp);
- if (c == EOF) rb_eof_error();
- }
- else if (arg->ptr < arg->end) {
- c = *(unsigned char*)arg->ptr++;
- }
- else {
- rb_raise(rb_eArgError, "marshal data too short");
- }
- return c;
-}
-
-static unsigned short
-r_short(arg)
- struct load_arg *arg;
-{
- unsigned short x;
-
- x = r_byte(arg);
- x |= r_byte(arg)<<8;
-
- return x;
-}
-
-static void
-long_toobig(size)
- int size;
-{
- rb_raise(rb_eTypeError, "long too big for this architecture (size %d, given %d)",
- sizeof(long), size);
-}
-
-#undef SIGN_EXTEND_CHAR
-#if __STDC__
-# define SIGN_EXTEND_CHAR(c) ((signed char)(c))
-#else /* not __STDC__ */
-/* As in Harbison and Steele. */
-# define SIGN_EXTEND_CHAR(c) ((((unsigned char)(c)) ^ 128) - 128)
-#endif
-
-static long
-r_long(arg)
- struct load_arg *arg;
-{
- register long x;
- int c = SIGN_EXTEND_CHAR(r_byte(arg));
- long i;
-
- if (c == 0) return 0;
- if (c > 0) {
- if (4 < c && c < 128) {
- return c - 5;
- }
- if (c > sizeof(long)) long_toobig(c);
- x = 0;
- for (i=0;i<c;i++) {
- x |= (long)r_byte(arg) << (8*i);
- }
- }
- else {
- if (-129 < c && c < -4) {
- return c + 5;
- }
- c = -c;
- if (c > sizeof(long)) long_toobig(c);
- x = -1;
- for (i=0;i<c;i++) {
- x &= ~((long)0xff << (8*i));
- x |= (long)r_byte(arg) << (8*i);
- }
- }
- return x;
-}
-
-#define r_bytes2(s, len, arg) do { \
- (len) = r_long(arg); \
- (s) = ALLOCA_N(char,(len)+1); \
- r_bytes0((s),(len),(arg)); \
-} while (0)
-
-#define r_bytes(s, arg) do { \
- long r_bytes_len; \
- r_bytes2((s), r_bytes_len, (arg)); \
-} while (0)
-
-static void
-r_bytes0(s, len, arg)
- char *s;
- long len;
- struct load_arg *arg;
-{
- if (arg->fp) {
- len = fread(s, 1, len, arg->fp);
- }
- else {
- if (arg->ptr + len > arg->end) {
- len = arg->end - arg->ptr;
- }
- memcpy(s, arg->ptr, len);
- arg->ptr += len;
- }
- s[len] = '\0';
-}
-
-static ID
-r_symlink(arg)
- struct load_arg *arg;
-{
- ID id;
- long num = r_long(arg);
-
- if (st_lookup(arg->symbol, num, &id)) {
- return id;
- }
- rb_raise(rb_eTypeError, "bad symbol");
-}
-
-static ID
-r_symreal(arg)
- struct load_arg *arg;
-{
- char *buf;
- ID id;
-
- r_bytes(buf, arg);
- id = rb_intern(buf);
- st_insert(arg->symbol, arg->symbol->num_entries, id);
-
- return id;
-}
-
-static ID
-r_symbol(arg)
- struct load_arg *arg;
-{
- if (r_byte(arg) == TYPE_SYMLINK) {
- return r_symlink(arg);
- }
- return r_symreal(arg);
-}
-
-static char*
-r_unique(arg)
- struct load_arg *arg;
-{
- return rb_id2name(r_symbol(arg));
-}
-
-static VALUE
-r_string(arg)
- struct load_arg *arg;
-{
- char *buf;
- long len;
-
- r_bytes2(buf, len, arg);
- return rb_str_new(buf, len);
-}
-
-static VALUE
-r_regist(v, arg)
- VALUE v;
- struct load_arg *arg;
-{
- rb_hash_aset(arg->data, INT2FIX(RHASH(arg->data)->tbl->num_entries), v);
- if (arg->taint) OBJ_TAINT(v);
- return v;
-}
-
-static void
-r_ivar(obj, arg)
- VALUE obj;
- struct load_arg *arg;
-{
- long len;
-
- len = r_long(arg);
- if (len > 0) {
- while (len--) {
- ID id = r_symbol(arg);
- VALUE val = r_object(arg);
- rb_ivar_set(obj, id, val);
- }
- }
-}
-
-static VALUE
-r_object(arg)
- struct load_arg *arg;
-{
- VALUE v = Qnil;
- int type = r_byte(arg);
- long id;
-
- switch (type) {
- case TYPE_LINK:
- id = r_long(arg);
- v = rb_hash_aref(arg->data, INT2FIX(id));
- if (NIL_P(v)) {
- rb_raise(rb_eArgError, "dump format error (unlinked)");
- }
- return v;
-
- case TYPE_IVAR:
- v = r_object(arg);
- r_ivar(v, arg);
- return v;
-
- case TYPE_UCLASS:
- {
- VALUE c = rb_path2class(r_unique(arg));
-
- v = r_object(arg);
- if (rb_special_const_p(v) || TYPE(v) == T_OBJECT || TYPE(v) == T_CLASS) {
- format_error:
- rb_raise(rb_eArgError, "dump format error (user class)");
- }
- if (TYPE(v) == T_MODULE || !RTEST(rb_funcall(c, '<', 1, RBASIC(v)->klass))) {
- VALUE tmp = rb_obj_alloc(c);
-
- if (TYPE(v) != TYPE(tmp)) goto format_error;
- }
- RBASIC(v)->klass = c;
- return v;
- }
-
- case TYPE_NIL:
- v = Qnil;
- break;
-
- case TYPE_TRUE:
- v = Qtrue;
- break;
-
- case TYPE_FALSE:
- v = Qfalse;
- break;
-
- case TYPE_FIXNUM:
- {
- long i = r_long(arg);
- v = INT2FIX(i);
- }
- break;
-
- case TYPE_FLOAT:
- {
- char *buf;
- double d, t = 0.0;
-
- r_bytes(buf, arg);
- if (strcmp(buf, "nan") == 0) {
- d = t / t;
- }
- else if (strcmp(buf, "inf") == 0) {
- d = 1.0 / t;
- }
- else if (strcmp(buf, "-inf") == 0) {
- d = -1.0 / t;
- }
- else {
- /* xxx: should not use system's strtod(3) */
- d = strtod(buf, 0);
- }
- v = rb_float_new(d);
- r_regist(v, arg);
- }
- break;
-
- case TYPE_BIGNUM:
- {
- long len;
- BDIGIT *digits;
-
- NEWOBJ(big, struct RBignum);
- OBJSETUP(big, rb_cBignum, T_BIGNUM);
- big->sign = (r_byte(arg) == '+');
- len = r_long(arg);
-#if SIZEOF_BDIGITS == SIZEOF_SHORT
- big->len = len;
-#else
- big->len = (len + 1) * 2 / sizeof(BDIGIT);
-#endif
- big->digits = digits = ALLOC_N(BDIGIT, big->len);
- while (len > 0) {
-#if SIZEOF_BDIGITS > SIZEOF_SHORT
- BDIGIT num = 0;
- int shift = 0;
- int i;
-
- for (i=0; i<SIZEOF_BDIGITS; i+=2) {
- int j = r_short(arg);
- num |= j << shift;
- shift += BITSPERSHORT;
- if (--len == 0) break;
- }
- *digits++ = num;
-#else
- *digits++ = r_short(arg);
- len--;
-#endif
- }
- v = rb_big_norm((VALUE)big);
- if (TYPE(v) == T_BIGNUM) {
- r_regist(v, arg);
- }
- }
- break;
-
- case TYPE_STRING:
- v = r_regist(r_string(arg), arg);
- break;
-
- case TYPE_REGEXP:
- {
- char *buf;
- long len;
- int options;
-
- r_bytes2(buf, len, arg);
- options = r_byte(arg);
- v = r_regist(rb_reg_new(buf, len, options), arg);
- }
- break;
-
- case TYPE_ARRAY:
- {
- volatile long len = r_long(arg); /* gcc 2.7.2.3 -O2 bug?? */
-
- v = rb_ary_new2(len);
- r_regist(v, arg);
- while (len--) {
- rb_ary_push(v, r_object(arg));
- }
- }
- break;
-
- case TYPE_HASH:
- case TYPE_HASH_DEF:
- {
- long len = r_long(arg);
-
- v = rb_hash_new();
- r_regist(v, arg);
- while (len--) {
- VALUE key = r_object(arg);
- VALUE value = r_object(arg);
- rb_hash_aset(v, key, value);
- }
- if (type == TYPE_HASH_DEF) {
- RHASH(v)->ifnone = r_object(arg);
- }
- }
- break;
-
- case TYPE_STRUCT:
- {
- VALUE klass, mem, values;
- volatile long i; /* gcc 2.7.2.3 -O2 bug?? */
- long len;
- ID slot;
-
- klass = rb_path2class(r_unique(arg));
- mem = rb_struct_iv_get(klass, "__member__");
- if (mem == Qnil) {
- rb_raise(rb_eTypeError, "uninitialized struct");
- }
- len = r_long(arg);
-
- values = rb_ary_new2(len);
- for (i=0; i<len; i++) {
- rb_ary_push(values, Qnil);
- }
- 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] != ID2SYM(slot)) {
- rb_raise(rb_eTypeError, "struct %s not compatible (:%s for :%s)",
- rb_class2name(klass),
- rb_id2name(slot),
- rb_id2name(SYM2ID(RARRAY(mem)->ptr[i])));
- }
- rb_struct_aset(v, INT2FIX(i), r_object(arg));
- }
- }
- break;
-
- case TYPE_USERDEF:
- {
- VALUE klass;
-
- klass = rb_path2class(r_unique(arg));
- if (!rb_respond_to(klass, s_load)) {
- rb_raise(rb_eTypeError, "class %s needs to have method `_load'",
- rb_class2name(klass));
- }
- v = rb_funcall(klass, s_load, 1, r_string(arg));
- r_regist(v, arg);
- }
- break;
-
- case TYPE_OBJECT:
- {
- VALUE klass;
-
- klass = rb_path2class(r_unique(arg));
- v = rb_obj_alloc(klass);
- if (TYPE(v) != T_OBJECT) {
- rb_raise(rb_eArgError, "dump format error");
- }
- r_regist(v, arg);
- r_ivar(v, arg);
- }
- break;
-
- case TYPE_MODULE_OLD:
- {
- char *buf;
- r_bytes(buf, arg);
- v = r_regist(rb_path2class(buf), arg);
- }
- break;
-
- case TYPE_CLASS:
- {
- char *buf;
- r_bytes(buf, arg);
- v = rb_path2class(buf);
- if (TYPE(v) != T_CLASS) {
- rb_raise(rb_eTypeError, "%s is not a class", buf);
- }
- r_regist(v, arg);
- }
- break;
-
- case TYPE_MODULE:
- {
- char *buf;
- r_bytes(buf, arg);
- v = rb_path2class(buf);
- if (TYPE(v) != T_MODULE) {
- rb_raise(rb_eTypeError, "%s is not a module", buf);
- }
- r_regist(v, arg);
- }
- break;
-
- case TYPE_SYMBOL:
- v = ID2SYM(r_symreal(arg));
- break;
-
- case TYPE_SYMLINK:
- return ID2SYM(r_symlink(arg));
-
- default:
- rb_raise(rb_eArgError, "dump format error(0x%x)", type);
- break;
- }
- if (arg->proc) {
- rb_funcall(arg->proc, rb_intern("yield"), 1, v);
- }
- return v;
-}
-
-static VALUE
-load(arg)
- struct load_arg *arg;
-{
- return r_object(arg);
-}
-
-static VALUE
-load_ensure(arg)
- struct load_arg *arg;
-{
- st_free_table(arg->symbol);
- return 0;
-}
-
-static VALUE
-marshal_load(argc, argv)
- int argc;
- VALUE *argv;
-{
- VALUE port, proc;
- int major, minor;
- VALUE v;
- OpenFile *fptr;
- struct load_arg arg;
- volatile VALUE hash; /* protect from GC */
-
- rb_scan_args(argc, argv, "11", &port, &proc);
- 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;
- arg.taint = Qtrue;
- }
- else if (rb_respond_to(port, rb_intern("to_str"))) {
- arg.taint = OBJ_TAINTED(port); /* original taintedness */
- StringValue(port); /* possible conversion */
- arg.fp = 0;
- arg.ptr = RSTRING(port)->ptr;
- arg.end = arg.ptr + RSTRING(port)->len;
- }
- else {
- rb_raise(rb_eTypeError, "instance of IO needed");
- }
-
- major = r_byte(&arg);
- minor = r_byte(&arg);
- if (major != MARSHAL_MAJOR || minor > MARSHAL_MINOR) {
- rb_raise(rb_eTypeError, "incompatible marshal file format (can't be read)\n\
-\tformat version %d.%d required; %d.%d given",
- MARSHAL_MAJOR, MARSHAL_MINOR, major, minor);
- }
- if (RTEST(ruby_verbose) && minor != MARSHAL_MINOR) {
- rb_warn("incompatible marshal file format (can be read)\n\
-\tformat version %d.%d required; %d.%d given",
- MARSHAL_MAJOR, MARSHAL_MINOR, major, minor);
- }
-
- arg.symbol = st_init_numtable();
- arg.data = hash = rb_hash_new();
- if (NIL_P(proc)) arg.proc = 0;
- else arg.proc = proc;
- v = rb_ensure(load, (VALUE)&arg, load_ensure, (VALUE)&arg);
-
- return v;
-}
-
-void
-Init_marshal()
-{
- VALUE rb_mMarshal = rb_define_module("Marshal");
-
- 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_define_const(rb_mMarshal, "MAJOR_VERSION", INT2FIX(MARSHAL_MAJOR));
- rb_define_const(rb_mMarshal, "MINOR_VERSION", INT2FIX(MARSHAL_MINOR));
-}
-
-VALUE
-rb_marshal_dump(obj, port)
- VALUE obj, port;
-{
- int argc = 1;
- VALUE argv[2];
-
- argv[0] = obj;
- argv[1] = port;
- if (!NIL_P(port)) argc = 2;
- return marshal_dump(argc, argv);
-}
-
-VALUE
-rb_marshal_load(port)
- VALUE port;
-{
- return marshal_load(1, &port);
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-26 14:48:24 +0000