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
|
#include "item.hpp"
// ast/item.cpp - Structure of itemdb
//
// Copyright © 2014 Ben Longbons <b.r.longbons@gmail.com>
//
// This file is part of The Mana World (Athena server)
//
// 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/>.
#include "../io/extract.hpp"
#include "../io/line.hpp"
#include "../mmo/extract_enums.hpp"
#include "../poison.hpp"
namespace tmwa
{
namespace ast
{
namespace item
{
using io::respan;
static
void skip_comma_space(io::LineCharReader& lr)
{
io::LineChar c;
if (lr.get(c) && c.ch() == ',')
{
lr.adv();
while (lr.get(c) && c.ch() == ' ')
{
lr.adv();
}
}
}
static
Option<Spanned<RString>> lex_nonscript(io::LineCharReader& lr, bool first)
{
io::LineChar c;
if (first)
{
while (lr.get(c) && c.ch() == '\n')
{
lr.adv();
}
}
if (!lr.get(c))
{
return None;
}
io::LineSpan span;
MString accum;
accum += c.ch();
span.begin = c;
span.end = c;
lr.adv();
if (c.ch() != '/')
first = false;
if (first && lr.get(c) && c.ch() == '/')
{
accum += c.ch();
span.end = c;
lr.adv();
while (lr.get(c) && c.ch() != '\n')
{
accum += c.ch();
span.end = c;
lr.adv();
}
return Some(respan(span, RString(accum)));
}
while (lr.get(c) && c.ch() != ',' && c.ch() != '\n')
{
accum += c.ch();
span.end = c;
lr.adv();
}
skip_comma_space(lr);
return Some(respan(span, RString(accum)));
}
static
Result<ast::script::ScriptBody> lex_script(io::LineCharReader& lr)
{
ast::script::ScriptOptions opt;
opt.implicit_start = true;
opt.implicit_end = true;
opt.one_line = true;
opt.no_event = true;
auto rv = ast::script::parse_script_body(lr, opt);
if (rv.get_success().is_some())
{
skip_comma_space(lr);
}
return rv;
}
#define SPAN_EXTRACT(bitexpr, var) ({ auto bit = bitexpr; if (!extract(bit.data, &var.data)) return Err(bit.span.error_str("failed to extract "_s #var)); var.span = bit.span; })
#define EOL_ERROR(lr) ({ io::LineChar c; lr.get(c) ? Err(c.error_str("unexpected EOL"_s)) : Err("unexpected EOF before unexpected EOL"_s); })
Option<Result<ItemOrComment>> parse_item(io::LineCharReader& lr)
{
Spanned<RString> first = TRY_UNWRAP(lex_nonscript(lr, true), return None);
if (first.data.startswith("//"_s))
{
Comment comment;
comment.comment = first.data;
ItemOrComment rv = std::move(comment);
rv.span = first.span;
return Some(Ok(std::move(rv)));
}
Item item;
SPAN_EXTRACT(first, item.id);
SPAN_EXTRACT(TRY_UNWRAP(lex_nonscript(lr, false), return EOL_ERROR(lr)), item.name);
SPAN_EXTRACT(TRY_UNWRAP(lex_nonscript(lr, false), return EOL_ERROR(lr)), item.jname);
SPAN_EXTRACT(TRY_UNWRAP(lex_nonscript(lr, false), return EOL_ERROR(lr)), item.type);
SPAN_EXTRACT(TRY_UNWRAP(lex_nonscript(lr, false), return EOL_ERROR(lr)), item.buy_price);
SPAN_EXTRACT(TRY_UNWRAP(lex_nonscript(lr, false), return EOL_ERROR(lr)), item.sell_price);
SPAN_EXTRACT(TRY_UNWRAP(lex_nonscript(lr, false), return EOL_ERROR(lr)), item.weight);
SPAN_EXTRACT(TRY_UNWRAP(lex_nonscript(lr, false), return EOL_ERROR(lr)), item.atk);
SPAN_EXTRACT(TRY_UNWRAP(lex_nonscript(lr, false), return EOL_ERROR(lr)), item.def);
SPAN_EXTRACT(TRY_UNWRAP(lex_nonscript(lr, false), return EOL_ERROR(lr)), item.range);
SPAN_EXTRACT(TRY_UNWRAP(lex_nonscript(lr, false), return EOL_ERROR(lr)), item.magic_bonus);
SPAN_EXTRACT(TRY_UNWRAP(lex_nonscript(lr, false), return EOL_ERROR(lr)), item.slot_unused);
SPAN_EXTRACT(TRY_UNWRAP(lex_nonscript(lr, false), return EOL_ERROR(lr)), item.gender);
SPAN_EXTRACT(TRY_UNWRAP(lex_nonscript(lr, false), return EOL_ERROR(lr)), item.loc);
SPAN_EXTRACT(TRY_UNWRAP(lex_nonscript(lr, false), return EOL_ERROR(lr)), item.wlv);
SPAN_EXTRACT(TRY_UNWRAP(lex_nonscript(lr, false), return EOL_ERROR(lr)), item.elv);
SPAN_EXTRACT(TRY_UNWRAP(lex_nonscript(lr, false), return EOL_ERROR(lr)), item.view);
item.use_script = TRY(lex_script(lr));
item.equip_script = TRY(lex_script(lr));
ItemOrComment rv = std::move(item);
rv.span.begin = item.id.span.begin;
rv.span.end = item.equip_script.span.end;
return Some(Ok(std::move(rv)));
}
} // namespace item
} // namespace ast
} // namespace tmwa
|
