cosmopolitan/third_party/python/Parser/listnode.c
Justine Tunney fa20edc44d
Reduce header complexity
- Remove most __ASSEMBLER__ __LINKER__ ifdefs
- Rename libc/intrin/bits.h to libc/serialize.h
- Block pthread cancelation in fchmodat() polyfill
- Remove `clang-format off` statements in third_party
2023-11-28 14:39:42 -08:00

69 lines
2.1 KiB
C

/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:4;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=4 sts=4 sw=4 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Python 3 │
│ https://docs.python.org/3/license.html │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/stdio/stdio.h"
#include "third_party/python/Include/node.h"
#include "third_party/python/Include/pgenheaders.h"
#include "third_party/python/Include/token.h"
static void list1node(FILE *, node *);
static void listnode(FILE *, node *);
void
PyNode_ListTree(node *n)
{
listnode(stdout, n);
}
static int level, atbol;
static void
listnode(FILE *fp, node *n)
{
level = 0;
atbol = 1;
list1node(fp, n);
}
static void
list1node(FILE *fp, node *n)
{
if (n == 0)
return;
if (ISNONTERMINAL(TYPE(n))) {
int i;
for (i = 0; i < NCH(n); i++)
list1node(fp, CHILD(n, i));
}
else if (ISTERMINAL(TYPE(n))) {
switch (TYPE(n)) {
case INDENT:
++level;
break;
case DEDENT:
--level;
break;
default:
if (atbol) {
int i;
for (i = 0; i < level; ++i)
fprintf(fp, "\t");
atbol = 0;
}
if (TYPE(n) == NEWLINE) {
if (STR(n) != NULL)
fprintf(fp, "%s", STR(n));
fprintf(fp, "\n");
atbol = 1;
}
else
fprintf(fp, "%s ", STR(n));
break;
}
}
else
fprintf(fp, "? ");
}