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Add "varargs" attribute.

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This commit is contained in:
Guido van Rossum 1991-12-16 13:07:24 +00:00
parent 3ddee714d1
commit c06022966f
3 changed files with 26 additions and 9 deletions
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8
Include/methodobject.h
View file

@ -30,13 +30,15 @@ extern typeobject Methodtype;
typedef object *(*method) FPROTO((object *, object *)); typedef object *(*method) FPROTO((object *, object *));
extern object *newmethodobject PROTO((char *, method, object *)); extern object *newmethodobject PROTO((char *, method, object *, int));
extern method getmethod PROTO((object *)); extern method getmethod PROTO((object *));
extern object *getself PROTO((object *)); extern object *getself PROTO((object *));
extern int getvarargs PROTO((object *));
struct methodlist { struct methodlist {
char *ml_name; char *ml_name;
method ml_meth; method ml_meth;
int ml_varargs;
}; };
extern object *findmethod PROTO((struct methodlist *, object *, char *)); extern object *findmethod PROTO((struct methodlist *, object *, char *));

25
Objects/methodobject.c
View file

@ -30,16 +30,18 @@ OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
typedef struct { typedef struct {
OB_HEAD OB_HEAD
char *m_name; char *m_name;
method m_meth; method m_meth;
object *m_self; object *m_self;
int m_varargs;
} methodobject; } methodobject;
object * object *
newmethodobject(name, meth, self) newmethodobject(name, meth, self, varargs)
char *name; /* static string */ char *name; /* static string */
method meth; method meth;
object *self; object *self;
int varargs;
{ {
methodobject *op = NEWOBJ(methodobject, &Methodtype); methodobject *op = NEWOBJ(methodobject, &Methodtype);
if (op != NULL) { if (op != NULL) {
@ -48,6 +50,7 @@ newmethodobject(name, meth, self)
if (self != NULL) if (self != NULL)
INCREF(self); INCREF(self);
op->m_self = self; op->m_self = self;
op->m_varargs = varargs;
} }
return (object *)op; return (object *)op;
} }
@ -74,6 +77,17 @@ getself(op)
return ((methodobject *)op) -> m_self; return ((methodobject *)op) -> m_self;
} }
int
getvarargs(op)
object *op;
{
if (!is_methodobject(op)) {
err_badcall();
return -1;
}
return ((methodobject *)op) -> m_varargs;
}
/* Methods (the standard built-in methods, that is) */ /* Methods (the standard built-in methods, that is) */
static void static void
@ -168,7 +182,8 @@ findmethod(ml, op, name)
return listmethods(ml); return listmethods(ml);
for (; ml->ml_name != NULL; ml++) { for (; ml->ml_name != NULL; ml++) {
if (strcmp(name, ml->ml_name) == 0) if (strcmp(name, ml->ml_name) == 0)
return newmethodobject(ml->ml_name, ml->ml_meth, op); return newmethodobject(ml->ml_name, ml->ml_meth,
op, ml->ml_varargs);
} }
err_setstr(AttributeError, name); err_setstr(AttributeError, name);
return NULL; return NULL;

2
Python/modsupport.c
View file

@ -45,7 +45,7 @@ initmodule(name, methods)
for (ml = methods; ml->ml_name != NULL; ml++) { for (ml = methods; ml->ml_name != NULL; ml++) {
sprintf(namebuf, "%s.%s", name, ml->ml_name); sprintf(namebuf, "%s.%s", name, ml->ml_name);
v = newmethodobject(strdup(namebuf), ml->ml_meth, v = newmethodobject(strdup(namebuf), ml->ml_meth,
(object *)NULL); (object *)NULL, ml->ml_varargs);
/* XXX The strdup'ed memory is never freed */ /* XXX The strdup'ed memory is never freed */
if (v == NULL || dictinsert(d, ml->ml_name, v) != 0) { if (v == NULL || dictinsert(d, ml->ml_name, v) != 0) {
fprintf(stderr, "initializing module: %s\n", name); fprintf(stderr, "initializing module: %s\n", name);