Factor out static_cfg from static init of messages

Factor out a macro for static references to data parsed from config
files at compile-time.
This commit is contained in:
Griffin Smith 2019-07-14 12:12:43 -04:00
parent 405dbffe37
commit 67d18b486c
4 changed files with 45 additions and 12 deletions

View file

@ -25,9 +25,10 @@ mod game;
#[macro_use]
mod types;
mod entities;
#[macro_use]
mod util;
mod messages;
mod settings;
mod util;
use clap::App;
use game::Game;
@ -49,13 +50,9 @@ fn init(
h: u16,
) {
panic::set_hook(if settings.logging.print_backtrace {
Box::new(|info| {
(error!("{}\n{:#?}", info, Backtrace::new()))
})
Box::new(|info| (error!("{}\n{:#?}", info, Backtrace::new())))
} else {
Box::new(|info| {
(error!("{}\n{:#?}", info, Backtrace::new()))
})
Box::new(|info| (error!("{}\n{:#?}", info, Backtrace::new())))
});
let game = Game::new(settings, stdout, stdin, w, h);

View file

@ -165,11 +165,8 @@ choice = ["Say this", "Or this"]
}
}
static MESSAGES_RAW: &'static str = include_str!("messages.toml");
lazy_static! {
static ref MESSAGES: NestedMap<'static> =
toml::from_str(MESSAGES_RAW).unwrap();
static_cfg! {
static ref MESSAGES: NestedMap<'static> = toml_file("messages.toml");
}
/// Look up a game message based on the given (dot-separated) name, with the

View file

@ -0,0 +1,2 @@
#[macro_use]
pub mod static_toml;

37
src/util/static_toml.rs Normal file
View file

@ -0,0 +1,37 @@
macro_rules! __static_cfg_parse {
(toml_file, $e:expr) => {
toml::from_str($e)
};
(json_file, $e:expr) => {
json::from_str($e)
};
}
macro_rules! __static_cfg_inner {
($(#[$attr:meta])* ($($vis:tt)*) static ref $N:ident : $T:ty = $kind:ident($filename:expr); $($t:tt)*) => {
static RAW: &'static str = include_str!($filename);
lazy_static! {
$(#[$attr])* static ref $N: $T = __static_cfg_parse!($kind, RAW).unwrap();
}
static_cfg!($($t)*);
}
}
#[macro_export]
macro_rules! static_cfg {
($(#[$attr:meta])* static ref $N:ident : $T:ty = $kind:ident($filename:expr); $($t:tt)*) => {
__static_cfg_inner!($(#[$attr])* () static ref $N : $T = $kind($filename); $($t)*);
};
($(#[$attr:meta])* pub static ref $N:ident : $T:ty = $kind:ident($filename:expr); $($t:tt)*) => {
__static_cfg_inner!($(#[$attr])* (pub) static ref $N : $T = $kind($filename); $($t)*);
};
($(#[$attr:meta])* pub ($($vis:tt)+) static ref $N:ident : $T:ty = $kind:ident($filename:expr); $($t:tt)*) => {
__static_cfg_inner!($(#[$attr])* (pub ($($vis)+)) static ref $N : $T = $kind($filename); $($t)*);
};
() => ()
}