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Revert "Revert "This commit implements the Object Shapes technique in CRuby.""

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This reverts commit 9a6803c90b.
This commit is contained in:
Jemma Issroff 2022-10-03 11:14:32 -04:00 • committed by Aaron Patterson
parent 5ffbb2be18
commit ad63b668e2
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41 changed files with 2311 additions and 893 deletions
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10
marshal.c
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@ -39,6 +39,7 @@
#include "ruby/st.h"
#include "ruby/util.h"
#include "builtin.h"
#include "shape.h"
#define BITSPERSHORT (2*CHAR_BIT)
#define SHORTMASK ((1<<BITSPERSHORT)-1)
@ -622,10 +623,6 @@ w_obj_each(st_data_t key, st_data_t val, st_data_t a)
}
return ST_CONTINUE;
}
if (!ivarg->num_ivar) {
rb_raise(rb_eRuntimeError, "instance variable added to %"PRIsVALUE" instance",
CLASS_OF(arg->obj));
}
--ivarg->num_ivar;
w_symbol(ID2SYM(id), arg->arg);
w_object(value, arg->arg, arg->limit);
@ -720,6 +717,7 @@ has_ivars(VALUE obj, VALUE encname, VALUE *ivobj)
static void
w_ivar_each(VALUE obj, st_index_t num, struct dump_call_arg *arg)
{
shape_id_t shape_id = rb_shape_get_shape_id(arg->obj);
struct w_ivar_arg ivarg = {arg, num};
if (!num) return;
rb_ivar_foreach(obj, w_obj_each, (st_data_t)&ivarg);
@ -727,6 +725,10 @@ w_ivar_each(VALUE obj, st_index_t num, struct dump_call_arg *arg)
rb_raise(rb_eRuntimeError, "instance variable removed from %"PRIsVALUE" instance",
CLASS_OF(arg->obj));
}
if (shape_id != rb_shape_get_shape_id(arg->obj)) {
rb_raise(rb_eRuntimeError, "instance variable added to %"PRIsVALUE" instance",
CLASS_OF(arg->obj));
}
}
static void