freebsd-dev/contrib/gcc/c-dump.c
2004-07-28 03:11:36 +00:00

193 lines
4.7 KiB
C

/* Tree-dumping functionality for C-family languages.
Copyright (C) 2002 Free Software Foundation, Inc.
Written by Mark Mitchell <mark@codesourcery.com>
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to the Free
Software Foundation, 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA. */
#include "config.h"
#include "system.h"
#include "coretypes.h"
#include "tm.h"
#include "tree.h"
#include "c-tree.h"
#include "tree-dump.h"
/* Dump information common to statements from STMT. */
void
dump_stmt (dump_info_p di, tree t)
{
dump_int (di, "line", STMT_LINENO (t));
}
/* Dump the next statement after STMT. */
void
dump_next_stmt (dump_info_p di, tree t)
{
dump_child ("next", TREE_CHAIN (t));
}
/* Dump any C-specific tree codes and attributes of common codes. */
bool
c_dump_tree (void *dump_info, tree t)
{
enum tree_code code;
dump_info_p di = (dump_info_p) dump_info;
/* Figure out what kind of node this is. */
code = TREE_CODE (t);
switch (code)
{
case FIELD_DECL:
if (DECL_C_BIT_FIELD (t))
dump_string (di, "bitfield");
break;
case ASM_STMT:
dump_stmt (di, t);
if (ASM_VOLATILE_P (t))
dump_string (di, "volatile");
dump_child ("strg", ASM_STRING (t));
dump_child ("outs", ASM_OUTPUTS (t));
dump_child ("ins", ASM_INPUTS (t));
dump_child ("clbr", ASM_CLOBBERS (t));
dump_next_stmt (di, t);
break;
case BREAK_STMT:
case CONTINUE_STMT:
dump_stmt (di, t);
dump_next_stmt (di, t);
break;
case CASE_LABEL:
/* Note that a case label is not like other statements; there is
no way to get the line-number of a case label. */
dump_child ("low", CASE_LOW (t));
dump_child ("high", CASE_HIGH (t));
dump_next_stmt (di, t);
break;
case CLEANUP_STMT:
dump_stmt (di, t);
dump_child ("decl", CLEANUP_DECL (t));
dump_child ("expr", CLEANUP_EXPR (t));
dump_next_stmt (di, t);
break;
case COMPOUND_STMT:
dump_stmt (di, t);
dump_child ("body", COMPOUND_BODY (t));
dump_next_stmt (di, t);
break;
case DECL_STMT:
dump_stmt (di, t);
dump_child ("decl", DECL_STMT_DECL (t));
dump_next_stmt (di, t);
break;
case DO_STMT:
dump_stmt (di, t);
dump_child ("body", DO_BODY (t));
dump_child ("cond", DO_COND (t));
dump_next_stmt (di, t);
break;
case EXPR_STMT:
dump_stmt (di, t);
dump_child ("expr", EXPR_STMT_EXPR (t));
dump_next_stmt (di, t);
break;
case FOR_STMT:
dump_stmt (di, t);
dump_child ("init", FOR_INIT_STMT (t));
dump_child ("cond", FOR_COND (t));
dump_child ("expr", FOR_EXPR (t));
dump_child ("body", FOR_BODY (t));
dump_next_stmt (di, t);
break;
case GOTO_STMT:
dump_stmt (di, t);
dump_child ("dest", GOTO_DESTINATION (t));
dump_next_stmt (di, t);
break;
case IF_STMT:
dump_stmt (di, t);
dump_child ("cond", IF_COND (t));
dump_child ("then", THEN_CLAUSE (t));
dump_child ("else", ELSE_CLAUSE (t));
dump_next_stmt (di, t);
break;
case LABEL_STMT:
dump_stmt (di, t);
dump_child ("labl", LABEL_STMT_LABEL (t));
dump_next_stmt (di, t);
break;
case RETURN_STMT:
dump_stmt (di, t);
dump_child ("expr", RETURN_STMT_EXPR (t));
dump_next_stmt (di, t);
break;
case SWITCH_STMT:
dump_stmt (di, t);
dump_child ("cond", SWITCH_COND (t));
dump_child ("body", SWITCH_BODY (t));
dump_next_stmt (di, t);
break;
case WHILE_STMT:
dump_stmt (di, t);
dump_child ("cond", WHILE_COND (t));
dump_child ("body", WHILE_BODY (t));
dump_next_stmt (di, t);
break;
case SCOPE_STMT:
dump_stmt (di, t);
if (SCOPE_BEGIN_P (t))
dump_string (di, "begn");
else
dump_string (di, "end");
if (SCOPE_NULLIFIED_P (t))
dump_string (di, "null");
if (!SCOPE_NO_CLEANUPS_P (t))
dump_string (di, "clnp");
dump_next_stmt (di, t);
break;
case STMT_EXPR:
dump_child ("stmt", STMT_EXPR_STMT (t));
break;
default:
break;
}
return false;
}