c-dump.c revision 117395 
1/* Tree-dumping functionality for C-family languages.
2   Copyright (C) 2002 Free Software Foundation, Inc.
3   Written by Mark Mitchell <mark@codesourcery.com>
4
5This file is part of GCC.
6
7GCC is free software; you can redistribute it and/or modify it under
8the terms of the GNU General Public License as published by the Free
9Software Foundation; either version 2, or (at your option) any later
10version.
11
12GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13WARRANTY; without even the implied warranty of MERCHANTABILITY or
14FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
15for more details.
16
17You should have received a copy of the GNU General Public License
18along with GCC; see the file COPYING.  If not, write to the Free
19Software Foundation, 59 Temple Place - Suite 330, Boston, MA
2002111-1307, USA.  */
21
22#include "config.h"
23#include "system.h"
24#include "tree.h"
25#include "c-tree.h"
26#include "tree-dump.h"
27
28/* Dump information common to statements from STMT.  */
29
30void
31dump_stmt (di, t)
32     dump_info_p di;
33     tree t;
34{
35  dump_int (di, "line", STMT_LINENO (t));
36}
37
38/* Dump the next statement after STMT.  */
39
40void
41dump_next_stmt (di, t)
42     dump_info_p di;
43     tree t;
44{
45  dump_child ("next", TREE_CHAIN (t));
46}
47
48/* Dump any C-specific tree codes and attributes of common codes.  */
49
50int
51c_dump_tree (dump_info, t)
52     void *dump_info;
53     tree t;
54{
55  enum tree_code code;
56  dump_info_p di = (dump_info_p) dump_info;
57
58  /* Figure out what kind of node this is.  */
59  code = TREE_CODE (t);
60
61  switch (code)
62    {
63    case FIELD_DECL:
64      if (DECL_C_BIT_FIELD (t))
65	dump_string (di, "bitfield");
66      break;
67
68    case ASM_STMT:
69      dump_stmt (di, t);
70      if (ASM_VOLATILE_P (t))
71	dump_string (di, "volatile");
72      dump_child ("strg", ASM_STRING (t));
73      dump_child ("outs", ASM_OUTPUTS (t));
74      dump_child ("ins", ASM_INPUTS (t));
75      dump_child ("clbr", ASM_CLOBBERS (t));
76      dump_next_stmt (di, t);
77      break;
78
79    case BREAK_STMT:
80    case CONTINUE_STMT:
81      dump_stmt (di, t);
82      dump_next_stmt (di, t);
83      break;
84
85    case CASE_LABEL:
86      /* Note that a case label is not like other statements; there is
87	 no way to get the line-number of a case label.  */
88      dump_child ("low", CASE_LOW (t));
89      dump_child ("high", CASE_HIGH (t));
90      dump_next_stmt (di, t);
91      break;
92
93    case CLEANUP_STMT:
94      dump_stmt (di, t);
95      dump_child ("decl", CLEANUP_DECL (t));
96      dump_child ("expr", CLEANUP_EXPR (t));
97      dump_next_stmt (di, t);
98      break;
99
100    case COMPOUND_STMT:
101      dump_stmt (di, t);
102      dump_child ("body", COMPOUND_BODY (t));
103      dump_next_stmt (di, t);
104      break;
105
106    case DECL_STMT:
107      dump_stmt (di, t);
108      dump_child ("decl", DECL_STMT_DECL (t));
109      dump_next_stmt (di, t);
110      break;
111
112    case DO_STMT:
113      dump_stmt (di, t);
114      dump_child ("body", DO_BODY (t));
115      dump_child ("cond", DO_COND (t));
116      dump_next_stmt (di, t);
117      break;
118
119    case EXPR_STMT:
120      dump_stmt (di, t);
121      dump_child ("expr", EXPR_STMT_EXPR (t));
122      dump_next_stmt (di, t);
123      break;
124
125    case FOR_STMT:
126      dump_stmt (di, t);
127      dump_child ("init", FOR_INIT_STMT (t));
128      dump_child ("cond", FOR_COND (t));
129      dump_child ("expr", FOR_EXPR (t));
130      dump_child ("body", FOR_BODY (t));
131      dump_next_stmt (di, t);
132      break;
133
134    case GOTO_STMT:
135      dump_stmt (di, t);
136      dump_child ("dest", GOTO_DESTINATION (t));
137      dump_next_stmt (di, t);
138      break;
139
140    case IF_STMT:
141      dump_stmt (di, t);
142      dump_child ("cond", IF_COND (t));
143      dump_child ("then", THEN_CLAUSE (t));
144      dump_child ("else", ELSE_CLAUSE (t));
145      dump_next_stmt (di, t);
146      break;
147
148    case LABEL_STMT:
149      dump_stmt (di, t);
150      dump_child ("labl", LABEL_STMT_LABEL (t));
151      dump_next_stmt (di, t);
152      break;
153
154    case RETURN_STMT:
155      dump_stmt (di, t);
156      dump_child ("expr", RETURN_STMT_EXPR (t));
157      dump_next_stmt (di, t);
158      break;
159
160    case SWITCH_STMT:
161      dump_stmt (di, t);
162      dump_child ("cond", SWITCH_COND (t));
163      dump_child ("body", SWITCH_BODY (t));
164      dump_next_stmt (di, t);
165      break;
166
167    case WHILE_STMT:
168      dump_stmt (di, t);
169      dump_child ("cond", WHILE_COND (t));
170      dump_child ("body", WHILE_BODY (t));
171      dump_next_stmt (di, t);
172      break;
173
174    case SCOPE_STMT:
175      dump_stmt (di, t);
176      if (SCOPE_BEGIN_P (t))
177	dump_string (di, "begn");
178      else
179	dump_string (di, "end");
180      if (SCOPE_NULLIFIED_P (t))
181	dump_string (di, "null");
182      if (!SCOPE_NO_CLEANUPS_P (t))
183	dump_string (di, "clnp");
184      dump_next_stmt (di, t);
185      break;
186
187    case STMT_EXPR:
188      dump_child ("stmt", STMT_EXPR_STMT (t));
189      break;
190
191    default:
192      break;
193    }
194
195  return 0;
196}
197