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