gcc/tree-dump.h

   1 /* Tree-dumping functionality for intermediate representation.
   2    Copyright (C) 1999-2020 Free Software Foundation, Inc.
   3    Written by Mark Mitchell <mark@codesourcery.com>
   4
   5 This file is part of GCC.
   6
   7 GCC is free software; you can redistribute it and/or modify it under
   8 the terms of the GNU General Public License as published by the Free
   9 Software Foundation; either version 3, or (at your option) any later
  10 version.
  11
  12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  15 for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GCC; see the file COPYING3.  If not see
  19 <http://www.gnu.org/licenses/>.  */
  20
  21 #ifndef GCC_TREE_DUMP_H
  22 #define GCC_TREE_DUMP_H
  23
  24 #include "splay-tree.h"
  25 #include "dumpfile.h"
  26
  27 typedef struct dump_info *dump_info_p;
  28
  29 /* Flags used with queue functions.  */
  30 #define DUMP_NONE     0
  31 #define DUMP_BINFO    1
  32
  33 /* Information about a node to be dumped.  */
  34
  35 typedef struct dump_node_info
  36 {
  37   /* The index for the node.  */
  38   unsigned int index;
  39   /* Nonzero if the node is a binfo.  */
  40   unsigned int binfo_p : 1;
  41 } *dump_node_info_p;
  42
  43 /* A dump_queue is a link in the queue of things to be dumped.  */
  44
  45 typedef struct dump_queue
  46 {
  47   /* The queued tree node.  */
  48   splay_tree_node node;
  49   /* The next node in the queue.  */
  50   struct dump_queue *next;
  51 } *dump_queue_p;
  52
  53 /* A dump_info gives information about how we should perform the dump
  54    and about the current state of the dump.  */
  55
  56 struct dump_info
  57 {
  58   /* The stream on which to dump the information.  */
  59   FILE *stream;
  60   /* The original node.  */
  61   const_tree node;
  62   /* User flags.  */
  63   dump_flags_t flags;
  64   /* The next unused node index.  */
  65   unsigned int index;
  66   /* The next column.  */
  67   unsigned int column;
  68   /* The first node in the queue of nodes to be written out.  */
  69   dump_queue_p queue;
  70   /* The last node in the queue.  */
  71   dump_queue_p queue_end;
  72   /* Free queue nodes.  */
  73   dump_queue_p free_list;
  74   /* The tree nodes which we have already written out.  The
  75      keys are the addresses of the nodes; the values are the integer
  76      indices we assigned them.  */
  77   splay_tree nodes;
  78 };
  79
  80 /* Dump the CHILD and its children.  */
  81 #define dump_child(field, child) \
  82   queue_and_dump_index (di, field, child, DUMP_NONE)
  83
  84 extern void dump_pointer (dump_info_p, const char *, void *);
  85 extern void dump_int (dump_info_p, const char *, int);
  86 extern void dump_string (dump_info_p, const char *);
  87 extern void dump_string_field (dump_info_p, const char *, const char *);
  88 extern void queue_and_dump_index (dump_info_p, const char *, const_tree, int);
  89 extern void queue_and_dump_type (dump_info_p, const_tree);
  90 extern int dump_flag (dump_info_p, dump_flags_t, const_tree);
  91
  92 #endif /* ! GCC_TREE_DUMP_H */