c-dump.c revision 132718 
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 "coretypes.h"
25#include "tm.h"
26#include "tree.h"
27#include "c-tree.h"
28#include "tree-dump.h"
29
30/* Dump information common to statements from STMT.  */
31
32void
33dump_stmt (dump_info_p di, 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 (dump_info_p di, tree t)
42{
43  dump_child ("next", TREE_CHAIN (t));
44}
45
46/* Dump any C-specific tree codes and attributes of common codes.  */
47
48bool
49c_dump_tree (void *dump_info, tree t)
50{
51  enum tree_code code;
52  dump_info_p di = (dump_info_p) dump_info;
53
54  /* Figure out what kind of node this is.  */
55  code = TREE_CODE (t);
56
57  switch (code)
58    {
59    case FIELD_DECL:
60      if (DECL_C_BIT_FIELD (t))
61	dump_string (di, "bitfield");
62      break;
63
64    case ASM_STMT:
65      dump_stmt (di, t);
66      if (ASM_VOLATILE_P (t))
67	dump_string (di, "volatile");
68      dump_child ("strg", ASM_STRING (t));
69      dump_child ("outs", ASM_OUTPUTS (t));
70      dump_child ("ins", ASM_INPUTS (t));
71      dump_child ("clbr", ASM_CLOBBERS (t));
72      dump_next_stmt (di, t);
73      break;
74
75    case BREAK_STMT:
76    case CONTINUE_STMT:
77      dump_stmt (di, t);
78      dump_next_stmt (di, t);
79      break;
80
81    case CASE_LABEL:
82      /* Note that a case label is not like other statements; there is
83	 no way to get the line-number of a case label.  */
84      dump_child ("low", CASE_LOW (t));
85      dump_child ("high", CASE_HIGH (t));
86      dump_next_stmt (di, t);
87      break;
88
89    case CLEANUP_STMT:
90      dump_stmt (di, t);
91      dump_child ("decl", CLEANUP_DECL (t));
92      dump_child ("expr", CLEANUP_EXPR (t));
93      dump_next_stmt (di, t);
94      break;
95
96    case COMPOUND_STMT:
97      dump_stmt (di, t);
98      dump_child ("body", COMPOUND_BODY (t));
99      dump_next_stmt (di, t);
100      break;
101
102    case DECL_STMT:
103      dump_stmt (di, t);
104      dump_child ("decl", DECL_STMT_DECL (t));
105      dump_next_stmt (di, t);
106      break;
107
108    case DO_STMT:
109      dump_stmt (di, t);
110      dump_child ("body", DO_BODY (t));
111      dump_child ("cond", DO_COND (t));
112      dump_next_stmt (di, t);
113      break;
114
115    case EXPR_STMT:
116      dump_stmt (di, t);
117      dump_child ("expr", EXPR_STMT_EXPR (t));
118      dump_next_stmt (di, t);
119      break;
120
121    case FOR_STMT:
122      dump_stmt (di, t);
123      dump_child ("init", FOR_INIT_STMT (t));
124      dump_child ("cond", FOR_COND (t));
125      dump_child ("expr", FOR_EXPR (t));
126      dump_child ("body", FOR_BODY (t));
127      dump_next_stmt (di, t);
128      break;
129
130    case GOTO_STMT:
131      dump_stmt (di, t);
132      dump_child ("dest", GOTO_DESTINATION (t));
133      dump_next_stmt (di, t);
134      break;
135
136    case IF_STMT:
137      dump_stmt (di, t);
138      dump_child ("cond", IF_COND (t));
139      dump_child ("then", THEN_CLAUSE (t));
140      dump_child ("else", ELSE_CLAUSE (t));
141      dump_next_stmt (di, t);
142      break;
143
144    case LABEL_STMT:
145      dump_stmt (di, t);
146      dump_child ("labl", LABEL_STMT_LABEL (t));
147      dump_next_stmt (di, t);
148      break;
149
150    case RETURN_STMT:
151      dump_stmt (di, t);
152      dump_child ("expr", RETURN_STMT_EXPR (t));
153      dump_next_stmt (di, t);
154      break;
155
156    case SWITCH_STMT:
157      dump_stmt (di, t);
158      dump_child ("cond", SWITCH_COND (t));
159      dump_child ("body", SWITCH_BODY (t));
160      dump_next_stmt (di, t);
161      break;
162
163    case WHILE_STMT:
164      dump_stmt (di, t);
165      dump_child ("cond", WHILE_COND (t));
166      dump_child ("body", WHILE_BODY (t));
167      dump_next_stmt (di, t);
168      break;
169
170    case SCOPE_STMT:
171      dump_stmt (di, t);
172      if (SCOPE_BEGIN_P (t))
173	dump_string (di, "begn");
174      else
175	dump_string (di, "end");
176      if (SCOPE_NULLIFIED_P (t))
177	dump_string (di, "null");
178      if (!SCOPE_NO_CLEANUPS_P (t))
179	dump_string (di, "clnp");
180      dump_next_stmt (di, t);
181      break;
182
183    case STMT_EXPR:
184      dump_child ("stmt", STMT_EXPR_STMT (t));
185      break;
186
187    default:
188      break;
189    }
190
191  return false;
192}
193