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
|
extern crate proc_macro;
use proc_macro::TokenStream;
use proc_macro2::{Ident, Span};
use quote::quote;
use syn::parse_macro_input;
mod macro_types;
use macro_types::*;
fn generate_help(items: &Items) -> proc_macro2::TokenStream {
let command_help = items.inner.iter().filter_map(|x| {
if let Item::Command(command) = x {
let help = command.help();
Some(quote! {
bot.send_notice(target, #help).unwrap();
})
} else {
None
}
});
let matcher_help = items.inner.iter().filter_map(|x| {
if let Item::Matcher(matcher) = x {
let help = matcher.help();
Some(quote! {
bot.send_notice(target, #help).unwrap();
})
} else {
None
}
});
let hook_help = items.inner.iter().filter_map(|x| {
if let Item::Hook(hook) = x {
let help = hook.help();
Some(quote! {
bot.send_notice(target, #help).unwrap();
})
} else {
None
}
});
let gen = quote! {
let target = message.source_nickname().unwrap();
bot.send_notice(target, "COMMANDS:").unwrap();
#(#command_help)*
bot.send_notice(target, "MATCHERS:").unwrap();
#(#matcher_help)*
bot.send_notice(target, "HOOKS:").unwrap();
#(#hook_help)*
};
gen.into()
}
#[proc_macro]
pub fn catinator(tokens: TokenStream) -> TokenStream {
let items = parse_macro_input!(tokens as Items);
let hooks = items.inner.iter().filter_map(|x| {
if let Item::Hook(hook) = x {
Some(hook.to_call())
} else {
None
}
});
let commands = items.inner.iter().filter_map(|x| {
if let Item::Command(command) = x {
Some(command.to_call())
} else {
None
}
});
let matchers = items.inner.iter().filter_map(|x| {
if let Item::Matcher(command) = x {
Some(command.to_call())
} else {
None
}
});
let matchers_regex = items.inner.iter().filter_map(|x| {
if let Item::Matcher(matcher) = x {
let name = &matcher.name;
let regex = &matcher.matcher;
let ident = Ident::new(&name.value(), Span::call_site());
Some(quote! {
let #ident = regex::Regex::new(#regex).unwrap();
})
} else {
None
}
});
let help = generate_help(&items);
let gen = quote! {
use std::env;
use futures::prelude::*;
use tracing::{info, debug, trace};
use irc::client::prelude::*;
use catinator::Bot;
let config_path = env::var("CATINATOR_CONFIG").unwrap_or("config.toml".to_string());
info!("starting bot with config file {}", config_path);
let mut bot = Bot::new(&config_path).await.unwrap();
if bot.config.server.sasl {
info!("initializing sasl");
bot.sasl_init().await.unwrap()
}
#(#matchers_regex)*
info!("starting main event loop");
let mut stream = bot.irc_client.stream().unwrap();
while let Some(message) = stream.next().await.transpose().unwrap() {
trace!("{:?}", message);
let command = message.clone().command;
#(#hooks)*
match &command {
Command::PRIVMSG(_target, text) => {
let mut word = text.split_ascii_whitespace().next().unwrap().chars();
let prefix = word.next().unwrap();
let rest: String = word.collect();
if prefix == bot.config.settings.prefix {
if "help" == rest {
#help
}
#(#commands)*
} else {
#(#matchers)*
}
}
_ => (),
}
}
};
return gen.into();
}
|
