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
|
/*
* Copyright (C) 2012-2015 Robin Haberkorn
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef __GOTO_H
#define __GOTO_H
#include <string.h>
#include <glib.h>
#include <glib/gprintf.h>
#include "sciteco.h"
#include "parser.h"
#include "undo.h"
#include "rbtree.h"
namespace SciTECO {
class GotoTable : public RBTree {
class UndoTokenSet : public UndoToken {
GotoTable *table;
gchar *name;
gint pc;
public:
UndoTokenSet(GotoTable *_table, gchar *_name, gint _pc = -1)
: table(_table), name(g_strdup(_name)), pc(_pc) {}
~UndoTokenSet()
{
g_free(name);
}
void
run(void)
{
table->set(name, pc);
#ifdef DEBUG
table->dump();
#endif
}
gsize
get_size(void) const
{
return sizeof(*this) + strlen(name) + 1;
}
};
class Label : public RBTree::RBEntry {
public:
gchar *name;
gint pc;
Label(gchar *_name, gint _pc = -1)
: name(g_strdup(_name)), pc(_pc) {}
~Label()
{
g_free(name);
}
int
operator <(RBEntry &l2)
{
return g_strcmp0(name, ((Label &)l2).name);
}
};
/*
* whether to generate UndoTokens (unnecessary in macro invocations)
*/
bool must_undo;
public:
GotoTable(bool _undo = true) : RBTree(), must_undo(_undo) {}
gint remove(gchar *name);
gint find(gchar *name);
gint set(gchar *name, gint pc);
inline void
undo_set(gchar *name, gint pc = -1)
{
if (must_undo)
undo.push(new UndoTokenSet(this, name, pc));
}
#ifdef DEBUG
void dump(void);
#endif
};
namespace Goto {
extern GotoTable *table;
extern gchar *skip_label;
}
/*
* Command states
*/
class StateLabel : public State {
public:
StateLabel();
private:
State *custom(gchar chr);
};
class StateGotoCmd : public StateExpectString {
private:
State *done(const gchar *str);
};
namespace States {
extern StateLabel label;
extern StateGotoCmd gotocmd;
}
} /* namespace SciTECO */
#endif
|
