do not emit massively complicated functions

build-info-proc/src/format/mod.rs

@@ -120,7 +120,7 @@ fn interpolate_once(
 	let mut named = None;
 	if c.is_ascii_digit() {
 		let mut acc = 0;
-		#[allow(clippy::blocks_in_if_conditions)]
+		#[allow(clippy::blocks_in_conditions)]
 		while {
 			acc = acc * 10 + c.to_digit(10).unwrap() as usize;
 			c = chars
@@ -131,7 +131,7 @@ fn interpolate_once(
 		explicit_position = Some(acc);
 	} else if c.is_alphabetic() {
 		let mut acc = String::new();
-		#[allow(clippy::blocks_in_if_conditions)]
+		#[allow(clippy::blocks_in_conditions)]
 		while {
 			acc.push(c);
 			c = chars

build-info-proc/src/function/init_value.rs

@@ -1,3 +1,5 @@
+//! Not currently enabled.
+
 use build_info_common::{
 	chrono::{DateTime, Datelike, NaiveDate, Utc},
 	semver::Version,

build-info-proc/src/function/mod.rs

@@ -3,9 +3,6 @@ use proc_macro::TokenStream;
 use quote::{quote, quote_spanned};
 use syn::{parse, parse_macro_input, Ident, Token, Visibility};
 
-mod init_value;
-use init_value::init_value;
-
 struct FunctionSyntax {
 	definition_crate: Ident,
 	visibility: Option<Visibility>,
@@ -34,15 +31,15 @@ pub fn build_info(input: TokenStream, build_info: BuildInfo) -> TokenStream {
 	} = parse_macro_input!(input as FunctionSyntax);
 	let visibility = visibility.map_or(quote!(), |vis| quote!(#vis));
 
-	let mut tokens = proc_macro2::TokenStream::new();
-	init_value(&build_info, &mut tokens, &definition_crate);
+	let bytes = bincode::serialize(&build_info).unwrap();
+	let bytes = proc_macro2::Literal::byte_string(&bytes);
 
 	#[allow(clippy::let_and_return)]
 	let output = quote_spanned! {
 		proc_macro::Span::mixed_site().into() =>
 		#visibility fn #id() -> &'static #definition_crate::BuildInfo {
 			static VERSION: ::std::sync::OnceLock<#definition_crate::BuildInfo> = ::std::sync::OnceLock::new();
-			VERSION.get_or_init(|| #tokens)
+			VERSION.get_or_init(|| #definition_crate::bincode::deserialize(#bytes).unwrap())
 		}
 	};
 

build-info/Cargo.toml

@@ -11,11 +11,11 @@ edition = "2021"
 rust-version = "1.70.0"
 
 [dependencies]
-build-info-common = { version = "=0.0.34", path = "../build-info-common", optional = true }
+build-info-common = { version = "=0.0.34", path = "../build-info-common", optional = true, features = ["serde"] }
 build-info-proc = { version = "=0.0.34", path = "../build-info-proc" }
+bincode = { version = "1", optional = true }
 
 [features]
 default = ["runtime"]
 oxford-comma = ["build-info-proc/oxford-comma"]
-runtime = ["dep:build-info-common", "build-info-proc/runtime"]
-serde = ["build-info-common?/serde"]
+runtime = ["dep:build-info-common", "dep:bincode", "build-info-proc/runtime"]

build-info/src/lib.rs

@@ -23,6 +23,11 @@ macro_rules! build_info {
 	($($tokens:tt)*) => { $crate::proc::build_info!{$crate $($tokens)*} };
 }
 
+/// Used by the function generated by `build_info!` to deserialize the build information
+#[cfg(feature = "runtime")]
+#[doc(hidden)]
+pub use bincode;
+
 /**
 Generates a string at compile-time that includes build information.