blob: f5a3315e3b2421a0f44e62d0b0c464cbdf0e3587 (
plain)
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
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <rtl/alloc.h>
#include <aststack.hxx>
#include <astscope.hxx>
#define STACKSIZE_INCREMENT 64
AstStack::AstStack()
: m_stack(static_cast<AstScope**>(rtl_allocateZeroMemory(sizeof(AstScope*) * STACKSIZE_INCREMENT)))
, m_size(STACKSIZE_INCREMENT)
, m_top(0)
{
}
AstStack::~AstStack()
{
for(sal_uInt32 i=0; i < m_top; i++)
{
if (m_stack[i])
delete m_stack[i];
}
rtl_freeMemory(m_stack);
}
AstScope* AstStack::top()
{
if (m_top < 1)
return nullptr;
return m_stack[m_top - 1];
}
AstScope* AstStack::bottom()
{
if (m_top == 0)
return nullptr;
return m_stack[0];
}
AstScope* AstStack::nextToTop()
{
AstScope *tmp, *retval;
if (depth() < 2)
return nullptr;
tmp = top(); // Save top
pop(); // Pop it
retval = top(); // Get next one down
(void) push(tmp); // Push top back
return retval; // Return next one down
}
AstScope* AstStack::topNonNull()
{
for (sal_uInt32 i = m_top; i > 0; i--)
{
if ( m_stack[i - 1] )
return m_stack[i - 1];
}
return nullptr;
}
AstStack* AstStack::push(AstScope* pScope)
{
AstScope **tmp;
// AstDeclaration *pDecl = ScopeAsDecl(pScope);
sal_uInt32 newSize;
sal_uInt32 i;
// Make sure there's space for one more
if (m_size == m_top)
{
newSize = m_size;
newSize += STACKSIZE_INCREMENT;
tmp = static_cast<AstScope**>(rtl_allocateZeroMemory(sizeof(AstScope*) * newSize));
for(i=0; i < m_size; i++)
tmp[i] = m_stack[i];
rtl_freeMemory(m_stack);
m_stack = tmp;
}
// Insert new scope
m_stack[m_top++] = pScope;
return this;
}
void AstStack::pop()
{
if (m_top < 1)
return;
--m_top;
}
void AstStack::clear()
{
m_top = 0;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
