theta-macros 0.1.0-alpha.56

Procedural macros for the Theta actor framework
Documentation 
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//! Logging macros for conditional tracing support.
//!
//! These proc macros generate macro_rules! definitions that conditionally
//! use the tracing crate when the "tracing" feature is enabled.
use proc_macro::TokenStream;
use quote::quote;

/// Generate logging macros that conditionally use tracing.
/// This is a function-like macro that generates all logging macros at once.
#[proc_macro]
pub fn generate_logging_macros(_input: TokenStream) -> TokenStream {
    let tokens = quote! {
        macro_rules! trace { ($($arg : tt)*) => { ::theta::__private::tracing::trace!($($arg)*) }; }
        macro_rules! debug { ($($arg : tt)*) => { ::theta::__private::tracing::debug!($($arg)*) }; }
        macro_rules! info { ($($arg : tt)*) => { ::theta::__private::tracing::info!($($arg)*) }; }
        macro_rules! warn { ($($arg : tt)*) => { ::theta::__private::tracing::warn!($($arg)*) }; }
        macro_rules! error { ($($arg : tt)*) => { ::theta::__private::tracing::error!($($arg)*) }; }
        pub (crate) use trace; pub (crate) use debug; pub (crate) use info; pub (crate) use warn;
        pub (crate) use error;
    };

    tokens.into()
}