mirror of
https://github.com/python/cpython.git
synced 2024-12-01 03:01:36 +01:00
3bbc62e9c2
Note addition of gethostbyaddr() and improved repr() for sockets, renaming of md5.md5() to md5.new(), and fixing of leaks in threads.
108 lines
2.6 KiB
C
108 lines
2.6 KiB
C
/***********************************************************
|
|
Copyright 1991, 1992, 1993, 1994 by Stichting Mathematisch Centrum,
|
|
Amsterdam, The Netherlands.
|
|
|
|
All Rights Reserved
|
|
|
|
Permission to use, copy, modify, and distribute this software and its
|
|
documentation for any purpose and without fee is hereby granted,
|
|
provided that the above copyright notice appear in all copies and that
|
|
both that copyright notice and this permission notice appear in
|
|
supporting documentation, and that the names of Stichting Mathematisch
|
|
Centrum or CWI not be used in advertising or publicity pertaining to
|
|
distribution of the software without specific, written prior permission.
|
|
|
|
STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
|
|
THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
|
|
FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
|
|
FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
|
|
OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
|
|
******************************************************************/
|
|
|
|
/* Raw interface to the parser. */
|
|
|
|
#include "allobjects.h"
|
|
#include "node.h"
|
|
#include "token.h"
|
|
#include "pythonrun.h"
|
|
#include "graminit.h"
|
|
#include "errcode.h"
|
|
|
|
object *
|
|
node2tuple(n)
|
|
node *n;
|
|
{
|
|
if (n == NULL) {
|
|
INCREF(None);
|
|
return None;
|
|
}
|
|
if (ISNONTERMINAL(TYPE(n))) {
|
|
int i;
|
|
object *v, *w;
|
|
v = newtupleobject(1 + NCH(n));
|
|
if (v == NULL)
|
|
return v;
|
|
w = newintobject(TYPE(n));
|
|
if (w == NULL) {
|
|
DECREF(v);
|
|
return NULL;
|
|
}
|
|
settupleitem(v, 0, w);
|
|
for (i = 0; i < NCH(n); i++) {
|
|
w = node2tuple(CHILD(n, i));
|
|
if (w == NULL) {
|
|
DECREF(v);
|
|
return NULL;
|
|
}
|
|
settupleitem(v, i+1, w);
|
|
}
|
|
return v;
|
|
}
|
|
else if (ISTERMINAL(TYPE(n))) {
|
|
return mkvalue("(is)", TYPE(n), STR(n));
|
|
}
|
|
else {
|
|
err_setstr(SystemError, "unrecognized parse tree node type");
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
static object *
|
|
parser_parsefile(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
char *filename;
|
|
FILE *fp;
|
|
node *n = NULL;
|
|
object *res;
|
|
if (!getargs(args, "s", &filename))
|
|
return NULL;
|
|
fp = fopen(filename, "r");
|
|
if (fp == NULL) {
|
|
err_errno(IOError);
|
|
return NULL;
|
|
}
|
|
n = parse_file(fp, filename, file_input);
|
|
fclose(fp);
|
|
if (n == NULL)
|
|
return NULL;
|
|
res = node2tuple(n);
|
|
freetree(n);
|
|
return res;
|
|
}
|
|
|
|
static struct methodlist parser_methods[] = {
|
|
{"parsefile", parser_parsefile},
|
|
{0, 0} /* Sentinel */
|
|
};
|
|
|
|
void
|
|
initparser()
|
|
{
|
|
initmodule("parser", parser_methods);
|
|
}
|