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gerrit-public.fairphone.software / platform / external / python / cpython3 / 9def81aa52adc3cc89554156e40742cf17312825 / . / Parser / listnode.c
blob: d431ae537e3b412ba4edacc0d881c7f72513d0ce [file] [log] [blame]
Guido van Rossumf70e43a1991-02-19 12:39:46 +0000[diff] [blame]1
Guido van Rossum85a5fbb1990-10-14 12:07:46 +0000[diff] [blame]2/* List a node on a file */
3
Pablo Galindof2cf1e32019-04-13 17:05:14 +0100[diff] [blame]4#include "Python.h"
Vinay Sajip9def81a2019-11-07 10:08:58 +0000[diff] [blame^]5#include "pycore_pystate.h"
Guido van Rossum85a5fbb1990-10-14 12:07:46 +0000[diff] [blame]6#include "token.h"
7#include "node.h"
8
Guido van Rossum3f5da241990-12-20 15:06:42 +0000[diff] [blame]9/* Forward */
Tim Petersdbd9ba62000-07-09 03:09:57 +0000[diff] [blame]10static void list1node(FILE *, node *);
11static void listnode(FILE *, node *);
Guido van Rossum3f5da241990-12-20 15:06:42 +0000[diff] [blame]12
13void
Thomas Wouters23c9e002000-07-22 19:20:54 +0000[diff] [blame]14PyNode_ListTree(node *n)
Guido van Rossum3f5da241990-12-20 15:06:42 +0000[diff] [blame]15{
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000[diff] [blame]16 listnode(stdout, n);
Guido van Rossum3f5da241990-12-20 15:06:42 +0000[diff] [blame]17}
18
Guido van Rossum9e90a671993-06-24 11:10:19 +0000[diff] [blame]19static void
Thomas Wouters23c9e002000-07-22 19:20:54 +0000[diff] [blame]20listnode(FILE *fp, node *n)
Guido van Rossum3f5da241990-12-20 15:06:42 +0000[diff] [blame]21{
Vinay Sajip9def81a2019-11-07 10:08:58 +0000[diff] [blame^]22 PyInterpreterState *interp = _PyInterpreterState_GET_UNSAFE();
23
24 interp->parser.listnode.level = 0;
25 interp->parser.listnode.atbol = 1;
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000[diff] [blame]26 list1node(fp, n);
Guido van Rossum3f5da241990-12-20 15:06:42 +0000[diff] [blame]27}
28
Guido van Rossum85a5fbb1990-10-14 12:07:46 +0000[diff] [blame]29static void
Thomas Wouters23c9e002000-07-22 19:20:54 +0000[diff] [blame]30list1node(FILE *fp, node *n)
Guido van Rossum85a5fbb1990-10-14 12:07:46 +0000[diff] [blame]31{
Vinay Sajip9def81a2019-11-07 10:08:58 +0000[diff] [blame^]32 PyInterpreterState *interp;
33
Serhiy Storchaka0b3ec192017-03-23 17:53:47 +0200[diff] [blame]34 if (n == NULL)
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000[diff] [blame]35 return;
36 if (ISNONTERMINAL(TYPE(n))) {
37 int i;
38 for (i = 0; i < NCH(n); i++)
39 list1node(fp, CHILD(n, i));
40 }
41 else if (ISTERMINAL(TYPE(n))) {
Vinay Sajip9def81a2019-11-07 10:08:58 +0000[diff] [blame^]42 interp = _PyInterpreterState_GET_UNSAFE();
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000[diff] [blame]43 switch (TYPE(n)) {
44 case INDENT:
Vinay Sajip9def81a2019-11-07 10:08:58 +0000[diff] [blame^]45 interp->parser.listnode.level++;
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000[diff] [blame]46 break;
47 case DEDENT:
Vinay Sajip9def81a2019-11-07 10:08:58 +0000[diff] [blame^]48 interp->parser.listnode.level--;
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000[diff] [blame]49 break;
50 default:
Vinay Sajip9def81a2019-11-07 10:08:58 +0000[diff] [blame^]51 if (interp->parser.listnode.atbol) {
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000[diff] [blame]52 int i;
Vinay Sajip9def81a2019-11-07 10:08:58 +0000[diff] [blame^]53 for (i = 0; i < interp->parser.listnode.level; ++i)
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000[diff] [blame]54 fprintf(fp, "\t");
Vinay Sajip9def81a2019-11-07 10:08:58 +0000[diff] [blame^]55 interp->parser.listnode.atbol = 0;
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000[diff] [blame]56 }
57 if (TYPE(n) == NEWLINE) {
58 if (STR(n) != NULL)
59 fprintf(fp, "%s", STR(n));
60 fprintf(fp, "\n");
Vinay Sajip9def81a2019-11-07 10:08:58 +0000[diff] [blame^]61 interp->parser.listnode.atbol = 1;
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000[diff] [blame]62 }
63 else
64 fprintf(fp, "%s ", STR(n));
65 break;
66 }
67 }
68 else
69 fprintf(fp, "? ");
Guido van Rossum85a5fbb1990-10-14 12:07:46 +0000[diff] [blame]70}