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mirror of https://forgejo.ellis.link/continuwuation/continuwuity.git synced 2026-05-26 20:49:55 +00:00
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refactor(treewide): get rid of compile time build environment introspection

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It's cursed and not very useful. Still a few uses of ctor left, but oh well.
This commit is contained in:
K900
2026-01-16 13:49:46 +03:00
parent ebc8df1c4d
commit cb79a3b9d7
29 changed files with 8 additions and 366 deletions
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src/macros/cargo.rs
-47
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@@ -1,47 +0,0 @@
use std::{fs::read_to_string, path::PathBuf};
use proc_macro::{Span, TokenStream};
use quote::quote;
use syn::{Error, ItemConst, Meta};
use crate::{Result, utils};
pub(super) fn manifest(item: ItemConst, args: &[Meta]) -> Result<TokenStream> {
let member = utils::get_named_string(args, "crate");
let path = manifest_path(member.as_deref())?;
let manifest = read_to_string(&path).unwrap_or_default();
let val = manifest.as_str();
let name = item.ident;
let ret = quote! {
const #name: &'static str = #val;
};
Ok(ret.into())
}
#[allow(clippy::option_env_unwrap)]
fn manifest_path(member: Option<&str>) -> Result<PathBuf> {
let Some(path) = option_env!("CARGO_MANIFEST_DIR") else {
return Err(Error::new(
Span::call_site().into(),
"missing CARGO_MANIFEST_DIR in environment",
));
};
let mut path: PathBuf = path.into();
// conduwuit/src/macros/ -> conduwuit/src/
path.pop();
if let Some(member) = member {
// conduwuit/$member/Cargo.toml
path.push(member);
} else {
// conduwuit/src/ -> conduwuit/
path.pop();
}
path.push("Cargo.toml");
Ok(path)
}
src/macros/mod.rs
+1 -11
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@@ -1,15 +1,13 @@
mod admin;
mod cargo;
mod config;
mod debug;
mod implement;
mod refutable;
mod rustc;
mod utils;
use proc_macro::TokenStream;
use syn::{
Error, Item, ItemConst, ItemEnum, ItemFn, ItemStruct, Meta,
Error, Item, ItemEnum, ItemFn, ItemStruct, Meta,
parse::{Parse, Parser},
parse_macro_input,
};
@@ -26,19 +24,11 @@ pub fn admin_command_dispatch(args: TokenStream, input: TokenStream) -> TokenStr
attribute_macro::<ItemEnum, _>(args, input, admin::command_dispatch)
}
#[proc_macro_attribute]
pub fn cargo_manifest(args: TokenStream, input: TokenStream) -> TokenStream {
attribute_macro::<ItemConst, _>(args, input, cargo::manifest)
}
#[proc_macro_attribute]
pub fn recursion_depth(args: TokenStream, input: TokenStream) -> TokenStream {
attribute_macro::<Item, _>(args, input, debug::recursion_depth)
}
#[proc_macro]
pub fn rustc_flags_capture(args: TokenStream) -> TokenStream { rustc::flags_capture(args) }
#[proc_macro_attribute]
pub fn refutable(args: TokenStream, input: TokenStream) -> TokenStream {
attribute_macro::<ItemFn, _>(args, input, refutable::refutable)
src/macros/rustc.rs
-29
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@@ -1,29 +0,0 @@
use proc_macro::TokenStream;
use quote::quote;
pub(super) fn flags_capture(args: TokenStream) -> TokenStream {
let cargo_crate_name = std::env::var("CARGO_CRATE_NAME");
let crate_name = match cargo_crate_name.as_ref() {
| Err(_) => return args,
| Ok(crate_name) => crate_name.trim_start_matches("conduwuit_"),
};
let flag = std::env::args().collect::<Vec<_>>();
let flag_len = flag.len();
let ret = quote! {
pub static RUSTC_FLAGS: [&str; #flag_len] = [#( #flag ),*];
#[ctor]
fn _set_rustc_flags() {
conduwuit_core::info::rustc::FLAGS.lock().expect("locked").insert(#crate_name, &RUSTC_FLAGS);
}
// static strings have to be yanked on module unload
#[dtor]
fn _unset_rustc_flags() {
conduwuit_core::info::rustc::FLAGS.lock().expect("locked").remove(#crate_name);
}
};
ret.into()
}