1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
/*
* cook - file construction tool
* Copyright (C) 1997, 1999 Peter Miller;
* All rights reserved.
*
* This program 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 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
*
* MANIFEST: functions to manipulate statement lists
*/
#include <mem.h>
#include <stmt.h>
#include <stmt/list.h>
#include <trace.h>
/*
* NAME
* stmt_list_append - append to a statement list
*
* SYNOPSIS
* void stmt_list_append(stmt_list_ty *slp, stmt *sp);
*
* DESCRIPTION
* stmt_list_append is used to append a statement to a statement list.
*/
void
stmt_list_append(sl, s)
stmt_list_ty *sl;
stmt_ty *s;
{
trace(("stmt_list_append(sl = %08X, s = %08X)\n{\n"/*}*/, sl, s));
if (sl->sl_nstmts >= sl->sl_nstmts_max)
{
size_t nbytes;
sl->sl_nstmts_max = sl->sl_nstmts_max * 2 + 4;
nbytes = sl->sl_nstmts_max * sizeof(sl->sl_stmt[0]);
sl->sl_stmt = mem_change_size(sl->sl_stmt, nbytes);
}
sl->sl_stmt[sl->sl_nstmts++] = stmt_copy(s);
trace((/*{*/"}\n"));
}
/*
* NAME
* stmt_list_destructor - free statement list
*
* SYNOPSIS
* void stmt_list_destructor(stmt_list_ty *);
*
* DESCRIPTION
* The stmt_list_destructor function is used to free the list of statement trees.
*
* RETURNS
* void
*/
void
stmt_list_destructor(sl)
stmt_list_ty *sl;
{
size_t j;
trace(("stmt_list_destructor(sl = %08X)\n{\n"/*}*/, sl));
for (j = 0; j < sl->sl_nstmts; ++j)
stmt_delete(sl->sl_stmt[j]);
if (sl->sl_stmt)
mem_free(sl->sl_stmt);
sl->sl_nstmts = 0;
sl->sl_nstmts_max = 0;
sl->sl_stmt = 0;
trace((/*{*/"}\n"));
}
void
stmt_list_constructor(slp)
stmt_list_ty *slp;
{
slp->sl_nstmts = 0;
slp->sl_nstmts_max = 0;
slp->sl_stmt = 0;
}
void
stmt_list_copy_constructor(slp, other)
stmt_list_ty *slp;
const stmt_list_ty *other;
{
size_t j;
slp->sl_nstmts = 0;
slp->sl_nstmts_max = 0;
slp->sl_stmt = 0;
for (j = 0; j < other->sl_nstmts; ++j)
stmt_list_append(slp, other->sl_stmt[j]);
}
stmt_list_ty *
stmt_list_new()
{
stmt_list_ty *slp;
slp = mem_alloc(sizeof(stmt_list_ty));
stmt_list_constructor(slp);
return slp;
}
void
stmt_list_delete(slp)
stmt_list_ty *slp;
{
stmt_list_destructor(slp);
mem_free(slp);
}
|