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cpython/Objects/funcobject.c

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/* Function object implementation */
#include <stdio.h>
#include "PROTO.h"
#include "object.h"
#include "node.h"
#include "stringobject.h"
#include "funcobject.h"
#include "objimpl.h"
#include "token.h"
typedef struct {
OB_HEAD
node *func_node;
object *func_globals;
} funcobject;
object *
newfuncobject(n, globals)
node *n;
object *globals;
{
funcobject *op = NEWOBJ(funcobject, &Functype);
if (op != NULL) {
op->func_node = n;
if (globals != NULL)
INCREF(globals);
op->func_globals = globals;
}
return (object *)op;
}
node *
getfuncnode(op)
object *op;
{
if (!is_funcobject(op)) {
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err_badcall();
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return NULL;
}
return ((funcobject *) op) -> func_node;
}
object *
getfuncglobals(op)
object *op;
{
if (!is_funcobject(op)) {
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err_badcall();
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return NULL;
}
return ((funcobject *) op) -> func_globals;
}
/* Methods */
static void
funcdealloc(op)
funcobject *op;
{
/* XXX free node? */
DECREF(op->func_globals);
free((char *)op);
}
static void
funcprint(op, fp, flags)
funcobject *op;
FILE *fp;
int flags;
{
node *n = op->func_node;
n = CHILD(n, 1);
fprintf(fp, "<user function %s>", STR(n));
}
static object *
funcrepr(op)
funcobject *op;
{
char buf[100];
node *n = op->func_node;
n = CHILD(n, 1);
sprintf(buf, "<user function %.80s>", STR(n));
return newstringobject(buf);
}
typeobject Functype = {
OB_HEAD_INIT(&Typetype)
0,
"function",
sizeof(funcobject),
0,
funcdealloc, /*tp_dealloc*/
funcprint, /*tp_print*/
0, /*tp_getattr*/
0, /*tp_setattr*/
0, /*tp_compare*/
funcrepr, /*tp_repr*/
};