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 #ifndef GCC_C_DUMP_H
  23 #define GCC_C_DUMP_H
  24
  25 /* Flags used with queue functions.  */
  26 #define DUMP_NONE     0
  27 #define DUMP_BINFO    1
  28
  29 /* Information about a node to be dumped.  */
  30
  31 typedef struct dump_node_info
  32 {
  33   /* The index for the node.  */
  34   unsigned int index;
  35   /* Nonzero if the node is a binfo.  */
  36   unsigned int binfo_p : 1;
  37 } *dump_node_info_p;
  38
  39 /* A dump_queue is a link in the queue of things to be dumped.  */
  40
  41 typedef struct dump_queue
  42 {
  43   /* The queued tree node.  */
  44   splay_tree_node node;
  45   /* The next node in the queue.  */
  46   struct dump_queue *next;
  47 } *dump_queue_p;
  48
  49 /* A dump_info gives information about how we should perform the dump
  50    and about the current state of the dump.  */
  51
  52 struct dump_info
  53 {
  54   /* The stream on which to dump the information.  */
  55   FILE *stream;
  56   /* The original node. */
  57   tree node;
  58   /* User flags. */
  59   int flags;
  60   /* The next unused node index.  */
  61   unsigned int index;
  62   /* The next column.  */
  63   unsigned int column;
  64   /* The first node in the queue of nodes to be written out.  */
  65   dump_queue_p queue;
  66   /* The last node in the queue.  */
  67   dump_queue_p queue_end;
  68   /* Free queue nodes.  */
  69   dump_queue_p free_list;
  70   /* The tree nodes which we have already written out.  The
  71      keys are the addresses of the nodes; the values are the integer
  72      indices we assigned them.  */
  73   splay_tree nodes;
  74 };
  75
  76 /* Dump the CHILD and its children.  */
  77 #define dump_child(field, child) \
  78   queue_and_dump_index (di, field, child, DUMP_NONE)
  79
  80 extern void dump_pointer
  81   PARAMS ((dump_info_p, const char *, void *));
  82 extern void dump_int
  83   PARAMS ((dump_info_p, const char *, int));
  84 extern void dump_string
  85   PARAMS ((dump_info_p, const char *));
  86 extern void dump_stmt
  87   PARAMS ((dump_info_p, tree));
  88 extern void dump_next_stmt
  89   PARAMS ((dump_info_p, tree));
  90 extern void queue_and_dump_index
  91   PARAMS ((dump_info_p, const char *, tree, int));
  92 extern void queue_and_dump_type
  93   PARAMS ((dump_info_p, tree));
  94
  95 #endif /* ! GCC_C_DUMP_H */