xref: /netbsd-src/external/gpl3/gcc/dist/gcc/c-family/c-dump.cc (revision b1e838363e3c6fc78a55519254d99869742dd33c)
1 /* Tree-dumping functionality for C-family languages.
2    Copyright (C) 2002-2022 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 #include "config.h"
22 #include "system.h"
23 #include "coretypes.h"
24 #include "c-common.h"
25 #include "tree-dump.h"
26 
27 /* Dump any C-specific tree codes and attributes of common codes.  */
28 
29 static void
dump_stmt(dump_info_p di,const_tree t)30 dump_stmt (dump_info_p di, const_tree t)
31 {
32   if (EXPR_HAS_LOCATION (t))
33     dump_int (di, "line", EXPR_LINENO (t));
34 }
35 
36 bool
c_dump_tree(void * dump_info,tree t)37 c_dump_tree (void *dump_info, tree t)
38 {
39   enum tree_code code;
40   dump_info_p di = (dump_info_p) dump_info;
41 
42   /* Figure out what kind of node this is.  */
43   code = TREE_CODE (t);
44 
45   switch (code)
46     {
47     case FIELD_DECL:
48       if (DECL_C_BIT_FIELD (t))
49 	dump_string (di, "bitfield");
50       break;
51 
52     case BREAK_STMT:
53     case CONTINUE_STMT:
54       dump_stmt (di, t);
55       break;
56 
57     case DO_STMT:
58       dump_stmt (di, t);
59       dump_child ("body", DO_BODY (t));
60       dump_child ("cond", DO_COND (t));
61       break;
62 
63     case FOR_STMT:
64       dump_stmt (di, t);
65       dump_child ("init", FOR_INIT_STMT (t));
66       dump_child ("cond", FOR_COND (t));
67       dump_child ("expr", FOR_EXPR (t));
68       dump_child ("body", FOR_BODY (t));
69       break;
70 
71     case SWITCH_STMT:
72       dump_stmt (di, t);
73       dump_child ("cond", SWITCH_STMT_COND (t));
74       dump_child ("body", SWITCH_STMT_BODY (t));
75       break;
76 
77     case WHILE_STMT:
78       dump_stmt (di, t);
79       dump_child ("cond", WHILE_COND (t));
80       dump_child ("body", WHILE_BODY (t));
81       break;
82 
83     default:
84       break;
85     }
86 
87   return false;
88 }
89