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/* Module object implementation */
#include <stdio.h>
#include "PROTO.h"
#include "object.h"
#include "stringobject.h"
#include "dictobject.h"
#include "moduleobject.h"
#include "objimpl.h"
#include "errors.h"
typedef struct {
OB_HEAD
object *md_name;
object *md_dict;
} moduleobject;
object *
newmoduleobject(name)
char *name;
{
moduleobject *m = NEWOBJ(moduleobject, &Moduletype);
if (m == NULL)
return NULL;
m->md_name = newstringobject(name);
m->md_dict = newdictobject();
if (m->md_name == NULL || m->md_dict == NULL) {
DECREF(m);
return NULL;
}
return (object *)m;
}
object *
getmoduledict(m)
object *m;
{
if (!is_moduleobject(m)) {
err_badarg();
return NULL;
}
return ((moduleobject *)m) -> md_dict;
}
int
setmoduledict(m, v)
object *m;
object *v;
{
if (!is_moduleobject(m)) {
err_badarg();
return -1;
}
if (!is_dictobject(v)) {
err_badarg();
return -1;
}
DECREF(((moduleobject *)m) -> md_dict);
INCREF(v);
((moduleobject *)m) -> md_dict = v;
return 0;
}
char *
getmodulename(m)
object *m;
{
if (!is_moduleobject(m)) {
err_badarg();
return NULL;
}
return getstringvalue(((moduleobject *)m) -> md_name);
}
/* Methods */
static void
moduledealloc(m)
moduleobject *m;
{
if (m->md_name != NULL)
DECREF(m->md_name);
if (m->md_dict != NULL)
DECREF(m->md_dict);
free((char *)m);
}
static void
moduleprint(m, fp, flags)
moduleobject *m;
FILE *fp;
int flags;
{
fprintf(fp, "<module %s>", getstringvalue(m->md_name));
}
static object *
modulerepr(m)
moduleobject *m;
{
char buf[100];
sprintf(buf, "<module %.80s>", getstringvalue(m->md_name));
return newstringobject(buf);
}
static object *
modulegetattr(m, name)
moduleobject *m;
char *name;
{
object *res;
if (strcmp(name, "__dict") == 0) {
INCREF(m->md_dict);
return m->md_dict;
}
res = dictlookup(m->md_dict, name);
if (res == NULL)
err_setstr(NameError, name);
else
INCREF(res);
return res;
}
static int
modulesetattr(m, name, v)
moduleobject *m;
char *name;
object *v;
{
if (strcmp(name, "__dict") == 0) {
/* Can't allow assignment to __dict, it would screw up
module's functions which still use the old dictionary. */
err_setstr(NameError, "__dict is a reserved member name");
return NULL;
}
if (v == NULL)
return dictremove(m->md_dict, name);
else
return dictinsert(m->md_dict, name, v);
}
typeobject Moduletype = {
OB_HEAD_INIT(&Typetype)
0, /*ob_size*/
"module", /*tp_name*/
sizeof(moduleobject), /*tp_size*/
0, /*tp_itemsize*/
moduledealloc, /*tp_dealloc*/
moduleprint, /*tp_print*/
modulegetattr, /*tp_getattr*/
modulesetattr, /*tp_setattr*/
0, /*tp_compare*/
modulerepr, /*tp_repr*/
};
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