gcc/c-dump.h

   1 /* Tree-dumping functionality for intermediate representation.
   2    Copyright (C) 1999, 2000 Free Software Foundation, Inc.
   3    Written by Mark Mitchell <mark@codesourcery.com>
   4
   5 This file is part of GNU CC.
   6
   7 GNU CC is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2, or (at your option)
  10 any later version.
  11
  12 GNU CC is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GNU CC; see the file COPYING.  If not, write to
  19 the Free Software Foundation, 59 Temple Place - Suite 330,
  20 Boston, MA 02111-1307, USA.  */
  21
  22 /* Flags used with queue functions.  */
  23 #define DUMP_NONE     0
  24 #define DUMP_BINFO    1
  25
  26 /* Information about a node to be dumped.  */
  27
  28 typedef struct dump_node_info
  29 {
  30   /* The index for the node.  */
  31   unsigned int index;
  32   /* Nonzero if the node is a binfo.  */
  33   unsigned int binfo_p : 1;
  34 } *dump_node_info_p;
  35
  36 /* A dump_queue is a link in the queue of things to be dumped.  */
  37
  38 typedef struct dump_queue
  39 {
  40   /* The queued tree node.  */
  41   splay_tree_node node;
  42   /* The next node in the queue.  */
  43   struct dump_queue *next;
  44 } *dump_queue_p;
  45
  46 /* A dump_info gives information about how we should perform the dump
  47    and about the current state of the dump.  */
  48
  49 struct dump_info
  50 {
  51   /* The stream on which to dump the information.  */
  52   FILE *stream;
  53   /* The original node. */
  54   tree node;
  55   /* User flags. */
  56   int flags;
  57   /* The next unused node index.  */
  58   unsigned int index;
  59   /* The next column.  */
  60   unsigned int column;
  61   /* The first node in the queue of nodes to be written out.  */
  62   dump_queue_p queue;
  63   /* The last node in the queue.  */
  64   dump_queue_p queue_end;
  65   /* Free queue nodes.  */
  66   dump_queue_p free_list;
  67   /* The tree nodes which we have already written out.  The
  68      keys are the addresses of the nodes; the values are the integer
  69      indices we assigned them.  */
  70   splay_tree nodes;
  71 };
  72
  73 /* Dump the CHILD and its children.  */
  74 #define dump_child(field, child) \
  75   queue_and_dump_index (di, field, child, DUMP_NONE)
  76
  77 extern void dump_pointer
  78   PARAMS ((dump_info_p, const char *, void *));
  79 extern void dump_int
  80   PARAMS ((dump_info_p, const char *, int));
  81 extern void dump_string
  82   PARAMS ((dump_info_p, const char *));
  83 extern void dump_stmt
  84   PARAMS ((dump_info_p, tree));
  85 extern void dump_next_stmt
  86   PARAMS ((dump_info_p, tree));
  87 extern void queue_and_dump_index
  88   PARAMS ((dump_info_p, const char *, tree, int));
  89 extern void queue_and_dump_type
  90   PARAMS ((dump_info_p, tree));