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1 /* Tree-dumping functionality for intermediate representation.
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145
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2 Copyright (C) 1999-2020 Free Software Foundation, Inc.
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3 Written by Mark Mitchell <mark@codesourcery.com>
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4
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5 This file is part of GCC.
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6
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7 GCC is free software; you can redistribute it and/or modify it under
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8 the terms of the GNU General Public License as published by the Free
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9 Software Foundation; either version 3, or (at your option) any later
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10 version.
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11
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12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with GCC; see the file COPYING3. If not see
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19 <http://www.gnu.org/licenses/>. */
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20
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21 #ifndef GCC_TREE_DUMP_H
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22 #define GCC_TREE_DUMP_H
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23
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24 #include "splay-tree.h"
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111
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25 #include "dumpfile.h"
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26
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27 typedef struct dump_info *dump_info_p;
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28
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29 /* Flags used with queue functions. */
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30 #define DUMP_NONE 0
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31 #define DUMP_BINFO 1
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32
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33 /* Information about a node to be dumped. */
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34
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35 typedef struct dump_node_info
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36 {
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37 /* The index for the node. */
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38 unsigned int index;
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39 /* Nonzero if the node is a binfo. */
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40 unsigned int binfo_p : 1;
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41 } *dump_node_info_p;
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42
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43 /* A dump_queue is a link in the queue of things to be dumped. */
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44
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45 typedef struct dump_queue
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46 {
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47 /* The queued tree node. */
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48 splay_tree_node node;
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49 /* The next node in the queue. */
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50 struct dump_queue *next;
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51 } *dump_queue_p;
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52
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53 /* A dump_info gives information about how we should perform the dump
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54 and about the current state of the dump. */
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55
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56 struct dump_info
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57 {
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58 /* The stream on which to dump the information. */
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59 FILE *stream;
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60 /* The original node. */
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61 const_tree node;
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62 /* User flags. */
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63 dump_flags_t flags;
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64 /* The next unused node index. */
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65 unsigned int index;
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66 /* The next column. */
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67 unsigned int column;
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68 /* The first node in the queue of nodes to be written out. */
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69 dump_queue_p queue;
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70 /* The last node in the queue. */
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71 dump_queue_p queue_end;
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72 /* Free queue nodes. */
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73 dump_queue_p free_list;
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74 /* The tree nodes which we have already written out. The
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75 keys are the addresses of the nodes; the values are the integer
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76 indices we assigned them. */
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77 splay_tree nodes;
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78 };
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79
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80 /* Dump the CHILD and its children. */
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81 #define dump_child(field, child) \
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82 queue_and_dump_index (di, field, child, DUMP_NONE)
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83
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84 extern void dump_pointer (dump_info_p, const char *, void *);
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85 extern void dump_int (dump_info_p, const char *, int);
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86 extern void dump_string (dump_info_p, const char *);
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87 extern void dump_string_field (dump_info_p, const char *, const char *);
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88 extern void queue_and_dump_index (dump_info_p, const char *, const_tree, int);
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89 extern void queue_and_dump_type (dump_info_p, const_tree);
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90 extern int dump_flag (dump_info_p, dump_flags_t, const_tree);
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91
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92 #endif /* ! GCC_TREE_DUMP_H */
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