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Access checks now work, at least for instance data (not for methods

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yet).  The class is now passed to eval_code and stored in the current
frame.  It is also stored in instance method objects.  An "unbound"
instance method is now returned when a function is retrieved through
"classname.funcname", which when called passes the class to eval_code.
This commit is contained in:
Guido van Rossum 1993-05-20 14:24:46 +00:00
parent 25831652fd
commit 81daa32c15
14 changed files with 655 additions and 150 deletions
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8
Objects/frameobject.c
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@ -38,6 +38,7 @@ static struct memberlist frame_memberlist[] = {
{"f_code", T_OBJECT, OFF(f_code)},
{"f_globals", T_OBJECT, OFF(f_globals)},
{"f_locals", T_OBJECT, OFF(f_locals)},
{"f_class", T_OBJECT, OFF(f_class)},
/* {"f_fastlocals",T_OBJECT, OFF(f_fastlocals)}, /* XXX Unsafe */
{"f_localmap", T_OBJECT, OFF(f_localmap)},
{"f_lasti", T_INT, OFF(f_lasti)},
@ -84,6 +85,7 @@ frame_dealloc(f)
XDECREF(f->f_code);
XDECREF(f->f_globals);
XDECREF(f->f_locals);
XDECREF(f->f_class);
XDECREF(f->f_fastlocals);
XDECREF(f->f_localmap);
f->f_back = free_list;
@ -108,11 +110,12 @@ typeobject Frametype = {
};
frameobject *
newframeobject(back, code, globals, locals, nvalues, nblocks)
newframeobject(back, code, globals, locals, class, nvalues, nblocks)
frameobject *back;
codeobject *code;
object *globals;
object *locals;
object *class;
int nvalues;
int nblocks;
{
@ -121,6 +124,7 @@ newframeobject(back, code, globals, locals, nvalues, nblocks)
code == NULL || !is_codeobject(code) ||
globals == NULL || !is_dictobject(globals) ||
locals == NULL || !is_dictobject(locals) ||
(class != NULL && !is_classobject(class)) ||
nvalues < 0 || nblocks < 0) {
err_badcall();
return NULL;
@ -146,6 +150,8 @@ newframeobject(back, code, globals, locals, nvalues, nblocks)
f->f_globals = globals;
INCREF(locals);
f->f_locals = locals;
XINCREF(class);
f->f_class = class;
f->f_fastlocals = NULL;
f->f_localmap = NULL;
if (nvalues > f->f_nvalues || f->f_valuestack == NULL) {