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/* List a node on a file */
#include "Python.h"
#include "pycore_interp.h" // PyInterpreterState.parser
#include "pycore_pystate.h" // _PyInterpreterState_GET()
#include "token.h"
#include "node.h"
/* Forward */
static void list1node(FILE *, node *);
static void listnode(FILE *, node *);
void
PyNode_ListTree(node *n)
{
listnode(stdout, n);
}
static void
listnode(FILE *fp, node *n)
{
PyInterpreterState *interp = _PyInterpreterState_GET();
interp->parser.listnode.level = 0;
interp->parser.listnode.atbol = 1;
list1node(fp, n);
}
static void
list1node(FILE *fp, node *n)
{
PyInterpreterState *interp;
if (n == NULL)
return;
if (ISNONTERMINAL(TYPE(n))) {
int i;
for (i = 0; i < NCH(n); i++)
list1node(fp, CHILD(n, i));
}
else if (ISTERMINAL(TYPE(n))) {
interp = _PyInterpreterState_GET();
switch (TYPE(n)) {
case INDENT:
interp->parser.listnode.level++;
break;
case DEDENT:
interp->parser.listnode.level--;
break;
default:
if (interp->parser.listnode.atbol) {
int i;
for (i = 0; i < interp->parser.listnode.level; ++i)
fprintf(fp, "\t");
interp->parser.listnode.atbol = 0;
}
if (TYPE(n) == NEWLINE) {
if (STR(n) != NULL)
fprintf(fp, "%s", STR(n));
fprintf(fp, "\n");
interp->parser.listnode.atbol = 1;
}
else
fprintf(fp, "%s ", STR(n));
break;
}
}
else
fprintf(fp, "? ");
}
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