mirror of
https://github.com/rtic-rs/rtic.git
synced 2024-11-25 21:19:35 +01:00
rtic-macros: wrap everything in macro_rules! to improve the error experience and
royally **** up the DX experience (for lib.rs in rtic-macros, at least :P)
This commit is contained in:
datdenkikniet
parent
68ccf0423d
commit
2ba09dd68d
2 changed files with 86 additions and 70 deletions
|
|
@ -1,10 +1,3 @@
|
|||
#[cfg(not(any(
|
||||
feature = "cortex-m-source-masking",
|
||||
feature = "cortex-m-basepri",
|
||||
feature = "test-template"
|
||||
)))]
|
||||
compile_error!("No backend selected");
|
||||
|
||||
#[cfg(any(feature = "cortex-m-source-masking", feature = "cortex-m-basepri"))]
|
||||
pub use cortex::*;
|
||||
|
||||
|
|
|
|||
|
|
@ -4,87 +4,110 @@
|
|||
)]
|
||||
//deny_warnings_placeholder_for_ci
|
||||
|
||||
use proc_macro::TokenStream;
|
||||
use std::{env, fs, path::Path};
|
||||
macro_rules! with_backend {
|
||||
(mod: [$($mod:tt),*]) => {
|
||||
$(
|
||||
with_backend!{ mod $mod; }
|
||||
)*
|
||||
};
|
||||
($($tokens:tt)*) => {
|
||||
#[cfg(any(
|
||||
feature = "cortex-m-source-masking",
|
||||
feature = "cortex-m-basepri",
|
||||
feature = "test-template"
|
||||
))]
|
||||
$($tokens)*
|
||||
};
|
||||
}
|
||||
|
||||
mod analyze;
|
||||
mod check;
|
||||
mod codegen;
|
||||
mod syntax;
|
||||
with_backend! { mod: [analyze, check, codegen, syntax] }
|
||||
with_backend! { use std::{fs, env, path::Path}; }
|
||||
with_backend! { use proc_macro::TokenStream; }
|
||||
|
||||
// Used for mocking the API in testing
|
||||
#[doc(hidden)]
|
||||
#[proc_macro_attribute]
|
||||
pub fn mock_app(args: TokenStream, input: TokenStream) -> TokenStream {
|
||||
if let Err(e) = syntax::parse(args, input) {
|
||||
e.to_compile_error().into()
|
||||
} else {
|
||||
"fn main() {}".parse().unwrap()
|
||||
with_backend! {
|
||||
// Used for mocking the API in testing
|
||||
#[doc(hidden)]
|
||||
#[proc_macro_attribute]
|
||||
pub fn mock_app(args: TokenStream, input: TokenStream) -> TokenStream {
|
||||
if let Err(e) = syntax::parse(args, input) {
|
||||
e.to_compile_error().into()
|
||||
} else {
|
||||
"fn main() {}".parse().unwrap()
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// Attribute used to declare a RTIC application
|
||||
///
|
||||
/// For user documentation see the [RTIC book](https://rtic.rs)
|
||||
///
|
||||
/// # Panics
|
||||
///
|
||||
/// Should never panic, cargo feeds a path which is later converted to a string
|
||||
#[proc_macro_attribute]
|
||||
pub fn app(args: TokenStream, input: TokenStream) -> TokenStream {
|
||||
let (app, analysis) = match syntax::parse(args, input) {
|
||||
Err(e) => return e.to_compile_error().into(),
|
||||
Ok(x) => x,
|
||||
};
|
||||
with_backend! {
|
||||
/// Attribute used to declare a RTIC application
|
||||
///
|
||||
/// For user documentation see the [RTIC book](https://rtic.rs)
|
||||
///
|
||||
/// # Panics
|
||||
///
|
||||
/// Should never panic, cargo feeds a path which is later converted to a string
|
||||
#[proc_macro_attribute]
|
||||
pub fn app(_args: TokenStream, _input: TokenStream) -> TokenStream {
|
||||
let (app, analysis) = match syntax::parse(_args, _input) {
|
||||
Err(e) => return e.to_compile_error().into(),
|
||||
Ok(x) => x,
|
||||
};
|
||||
|
||||
if let Err(e) = check::app(&app, &analysis) {
|
||||
return e.to_compile_error().into();
|
||||
}
|
||||
if let Err(e) = check::app(&app, &analysis) {
|
||||
return e.to_compile_error().into();
|
||||
}
|
||||
|
||||
let analysis = analyze::app(analysis, &app);
|
||||
let analysis = analyze::app(analysis, &app);
|
||||
|
||||
let ts = codegen::app(&app, &analysis);
|
||||
let ts = codegen::app(&app, &analysis);
|
||||
|
||||
// Default output path: <project_dir>/target/
|
||||
let mut out_dir = Path::new("target");
|
||||
// Default output path: <project_dir>/target/
|
||||
let mut out_dir = Path::new("target");
|
||||
|
||||
// Get output directory from Cargo environment
|
||||
// TODO don't want to break builds if OUT_DIR is not set, is this ever the case?
|
||||
let out_str = env::var("OUT_DIR").unwrap_or_else(|_| "".to_string());
|
||||
// Get output directory from Cargo environment
|
||||
// TODO don't want to break builds if OUT_DIR is not set, is this ever the case?
|
||||
let out_str = env::var("OUT_DIR").unwrap_or_else(|_| "".to_string());
|
||||
|
||||
if !out_dir.exists() {
|
||||
// Set out_dir to OUT_DIR
|
||||
out_dir = Path::new(&out_str);
|
||||
if !out_dir.exists() {
|
||||
// Set out_dir to OUT_DIR
|
||||
out_dir = Path::new(&out_str);
|
||||
|
||||
// Default build path, annotated below:
|
||||
// $(pwd)/target/thumbv7em-none-eabihf/debug/build/rtic-<HASH>/out/
|
||||
// <project_dir>/<target-dir>/<TARGET>/debug/build/rtic-<HASH>/out/
|
||||
//
|
||||
// traverse up to first occurrence of TARGET, approximated with starts_with("thumbv")
|
||||
// and use the parent() of this path
|
||||
//
|
||||
// If no "target" directory is found, <project_dir>/<out_dir_root> is used
|
||||
for path in out_dir.ancestors() {
|
||||
if let Some(dir) = path.components().last() {
|
||||
let dir = dir.as_os_str().to_str().unwrap();
|
||||
// Default build path, annotated below:
|
||||
// $(pwd)/target/thumbv7em-none-eabihf/debug/build/rtic-<HASH>/out/
|
||||
// <project_dir>/<target-dir>/<TARGET>/debug/build/rtic-<HASH>/out/
|
||||
//
|
||||
// traverse up to first occurrence of TARGET, approximated with starts_with("thumbv")
|
||||
// and use the parent() of this path
|
||||
//
|
||||
// If no "target" directory is found, <project_dir>/<out_dir_root> is used
|
||||
for path in out_dir.ancestors() {
|
||||
if let Some(dir) = path.components().last() {
|
||||
let dir = dir.as_os_str().to_str().unwrap();
|
||||
|
||||
if dir.starts_with("thumbv") || dir.starts_with("riscv") {
|
||||
if let Some(out) = path.parent() {
|
||||
out_dir = out;
|
||||
if dir.starts_with("thumbv") || dir.starts_with("riscv") {
|
||||
if let Some(out) = path.parent() {
|
||||
out_dir = out;
|
||||
break;
|
||||
}
|
||||
// If no parent, just use it
|
||||
out_dir = path;
|
||||
break;
|
||||
}
|
||||
// If no parent, just use it
|
||||
out_dir = path;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Try to write the expanded code to disk
|
||||
if let Some(out_str) = out_dir.to_str() {
|
||||
fs::write(format!("{out_str}/rtic-expansion.rs"), ts.to_string()).ok();
|
||||
}
|
||||
// Try to write the expanded code to disk
|
||||
if let Some(out_str) = out_dir.to_str() {
|
||||
fs::write(format!("{out_str}/rtic-expansion.rs"), ts.to_string()).ok();
|
||||
}
|
||||
|
||||
ts.into()
|
||||
ts.into()
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(not(any(
|
||||
feature = "cortex-m-source-masking",
|
||||
feature = "cortex-m-basepri",
|
||||
feature = "test-template"
|
||||
)))]
|
||||
compile_error!("Cannot compile. No backend feature selected.");
|
||||
|
|
|
|||
Loading…
Reference in a new issue