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
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
|
/*
FALCON - The Falcon Programming Language
FILE: poopseq.h
Virtual sequence that can be used to iterate over poop providers.
*AT THE MOMENT* providing just "append" method to re-use sequence
comprehension in OOP and POOP contexts.
-------------------------------------------------------------------
Author: Giancarlo Niccolai
Begin: Mon, 10 Aug 2009 10:53:29 +0200
-------------------------------------------------------------------
(C) Copyright 2009: the FALCON developers (see list in AUTHORS file)
See LICENSE file for licensing details.
*/
#include <falcon/poopseq.h>
#include <falcon/rosstream.h>
#include <falcon/error.h>
#include <falcon/eng_messages.h>
#include <falcon/fassert.h>
#include <falcon/vm.h>
#include <falcon/item.h>
namespace Falcon {
Item m_appendMth;
uint32 m_mark;
PoopSeq::PoopSeq( VMachine* vm, const Item &iobj ):
m_mark( vm->generation() ),
m_vm( vm )
{
switch( iobj.type() )
{
case FLC_ITEM_OBJECT:
if( ! iobj.asObjectSafe()->getMethod( "append", m_appendMth ) )
{
throw new CodeError( ErrorParam( e_miss_iface, __LINE__ )
.origin( e_orig_runtime )
.extra( "append") );
}
break;
case FLC_ITEM_DICT:
if( ! iobj.asDict()->getMethod( "append", m_appendMth ) )
{
throw new CodeError( ErrorParam( e_miss_iface, __LINE__ )
.origin( e_orig_runtime )
.extra( "append") );
}
break;
default:
throw new ParamError( ErrorParam( e_inv_params, __LINE__ )
.origin( e_orig_runtime )
.extra( "O|D" ) );
}
}
PoopSeq::PoopSeq( const PoopSeq& other ):
m_appendMth( other.m_appendMth ),
m_mark( other.m_vm->generation() ),
m_vm( other.m_vm )
{}
PoopSeq::~PoopSeq()
{
}
bool PoopSeq::empty() const
{
return true;
}
void PoopSeq::gcMark( uint32 gen )
{
if ( m_mark != gen )
{
m_mark = gen;
Sequence::gcMark( gen );
memPool->markItem( m_appendMth );
}
}
PoopSeq* PoopSeq::clone() const
{
return new PoopSeq( *this );
}
const Item &PoopSeq::front() const
{
throw new CodeError( ErrorParam( e_not_implemented, __LINE__ )
.origin( e_orig_runtime )
.extra( "PoopSeq::front" ) );
}
const Item &PoopSeq::back() const
{
throw new CodeError( ErrorParam( e_not_implemented, __LINE__ )
.origin( e_orig_runtime )
.extra( "PoopSeq::back" ) );
}
void PoopSeq::clear()
{
throw new CodeError( ErrorParam( e_not_implemented, __LINE__ )
.origin( e_orig_runtime )
.extra( "PoopSeq::clear" ) );
}
void PoopSeq::append( const Item& itm )
{
m_vm->pushParam( itm );
m_vm->callItemAtomic( m_appendMth, 1 );
}
void PoopSeq::prepend( const Item& itm )
{
throw new CodeError( ErrorParam( e_not_implemented, __LINE__ ).origin( e_orig_runtime ).extra( "PoopSeq::prepend" ) );
}
//============================================================
// Iterator management.
//============================================================
void PoopSeq::getIterator( Iterator& tgt, bool tail ) const
{
Sequence::getIterator( tgt, tail );
// nothing to do
}
void PoopSeq::copyIterator( Iterator& tgt, const Iterator& source ) const
{
Sequence::copyIterator( tgt, source );
// nothing to do
}
void PoopSeq::insert( Iterator &iter, const Item &data )
{
throw new CodeError( ErrorParam( e_not_implemented, __LINE__ )
.origin( e_orig_runtime ).extra( "PoopSeq::insert" ) );
}
void PoopSeq::erase( Iterator &iter )
{
throw new CodeError( ErrorParam( e_not_implemented, __LINE__ )
.origin( e_orig_runtime ).extra( "PoopSeq::erase" ) );
}
bool PoopSeq::hasNext( const Iterator &iter ) const
{
throw new CodeError( ErrorParam( e_not_implemented, __LINE__ )
.origin( e_orig_runtime ).extra( "PoopSeq::erase" ) );
}
bool PoopSeq::hasPrev( const Iterator &iter ) const
{
throw new CodeError( ErrorParam( e_not_implemented, __LINE__ )
.origin( e_orig_runtime ).extra( "PoopSeq::erase" ) );
}
bool PoopSeq::hasCurrent( const Iterator &iter ) const
{
throw new CodeError( ErrorParam( e_not_implemented, __LINE__ )
.origin( e_orig_runtime ).extra( "PoopSeq::next" ) );
}
bool PoopSeq::next( Iterator &iter ) const
{
throw new CodeError( ErrorParam( e_not_implemented, __LINE__ )
.origin( e_orig_runtime ).extra( "PoopSeq::next" ) );
}
bool PoopSeq::prev( Iterator &iter ) const
{
throw new CodeError( ErrorParam( e_not_implemented, __LINE__ )
.origin( e_orig_runtime ).extra( "PoopSeq::prev" ) );
}
Item& PoopSeq::getCurrent( const Iterator &iter )
{
throw new CodeError( ErrorParam( e_not_implemented, __LINE__ )
.origin( e_orig_runtime ).extra( "PoopSeq::prev" ) );
}
Item& PoopSeq::getCurrentKey( const Iterator &iter )
{
throw new CodeError( ErrorParam( e_non_dict_seq, __LINE__ )
.origin( e_orig_runtime ).extra( "PoopSeq::getCurrentKey" ) );
}
bool PoopSeq::equalIterator( const Iterator &first, const Iterator &second ) const
{
return false;
}
}
/* end of poopseq.cpp */
|
