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some clippy fixes for cargo builder (#72)
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robamu authored Jun 2, 2024
1 parent aacb0ed commit 3a58cf9
Showing 1 changed file with 70 additions and 32 deletions.
102 changes: 70 additions & 32 deletions freertos-cargo-build/src/lib.rs
Original file line number Diff line number Diff line change
@@ -1,8 +1,8 @@
use cc::Build;
use std::ffi::OsStr;
use std::fmt::Display;
use std::{fmt, env};
use std::path::{Path, PathBuf};
use std::{env, fmt};
use walkdir::WalkDir;

/// The FREERTOS_SRC env variable must point to the FreeRTOS kernel code.
Expand Down Expand Up @@ -52,30 +52,33 @@ impl Display for Error {
}
}


impl Builder {
/// Construct a new instance of a blank set of configuration.
///
/// This builder is finished with the [`compile`] function.
///
/// [`compile`]: struct.Build.html#method.compile
pub fn new() -> Builder {
impl Default for Builder {
fn default() -> Self {
let freertos_path = env::var(ENV_KEY_FREERTOS_SRC).unwrap_or_default();
let freertos_config_path = env::var(ENV_KEY_FREERTOS_CONFIG).unwrap_or_default();
let freertos_shim = env::var(ENV_KEY_FREERTOS_SHIM).unwrap_or_default();

let b = Builder {
Self {
freertos_dir: PathBuf::from(freertos_path),
freertos_config_dir: PathBuf::from(freertos_config_path),
freertos_shim: PathBuf::from(freertos_shim),
freertos_port: None,
freertos_port_base: None,
cc: cc::Build::new(),
heap_c: PathBuf::from("heap_4.c"),
};
return b;
}
}
}

impl Builder {
/// Construct a new instance of a blank set of configuration.
///
/// This builder is finished with the [`compile`] function.
///
/// [`compile`]: struct.Build.html#method.compile
pub fn new() -> Builder {
Self::default()
}

/// Set the path to freeRTOS source
/// Default is loaded from ENV variable "FREERTOS_SRC"
Expand Down Expand Up @@ -107,8 +110,9 @@ impl Builder {
if f_name.ends_with(".c") {
return Some(entry.path().to_owned());
}
return None;
}).collect();
None
})
.collect();
files
}

Expand All @@ -125,8 +129,9 @@ impl Builder {
if f_name.ends_with(".c") {
return Some(entry.path().to_owned());
}
return None;
}).collect();
None
})
.collect();
files
}
fn freertos_port_files(&self) -> Vec<PathBuf> {
Expand All @@ -140,8 +145,9 @@ impl Builder {
if f_name.ends_with(".c") {
return Some(entry.path().to_owned());
}
return None;
}).collect();
None
})
.collect();
files
}

Expand Down Expand Up @@ -177,10 +183,15 @@ impl Builder {

let target = env::var("TARGET").unwrap_or_default();
let target_env = env::var("CARGO_CFG_TARGET_ENV").unwrap_or_default(); // msvc, gnu, ...
//let target_family = env::var("CARGO_CFG_TARGET_FAMILY").unwrap_or_default(); // unix, windows
//let target_family = env::var("CARGO_CFG_TARGET_FAMILY").unwrap_or_default(); // unix, windows
let target_arch = env::var("CARGO_CFG_TARGET_ARCH").unwrap_or_default(); // x86_64
let target_os = env::var("CARGO_CFG_TARGET_OS").unwrap_or_default(); // none, windows, linux, macos
let port = match (target.as_str(), target_arch.as_str(), target_os.as_str(), target_env.as_str()) {
let port = match (
target.as_str(),
target_arch.as_str(),
target_os.as_str(),
target_env.as_str(),
) {
(_, "x86_64", "windows", _) => "MSVC-MingW",
(_, "x86_64", "linux", "gnu") => "GCC/Linux",
("thumbv7m-none-eabi", _, _, _) => "GCC/ARM_CM3",
Expand All @@ -190,10 +201,13 @@ impl Builder {
("thumbv8m.main-none-eabi", _, _, _) => "GCC/ARM_CM33_NTZ/non_secure",
("thumbv8m.main-none-eabihf", _, _, _) => "GCC/ARM_CM33_NTZ/non_secure",
_ => {
panic!("Unknown target: '{}', from TARGET environment variable.", target);
panic!(
"Unknown target: '{}', from TARGET environment variable.",
target
);
}
};
return base.join(port);
base.join(port)
}

pub fn freertos_port_base<P: AsRef<Path>>(&mut self, base_dir: P) {
Expand All @@ -209,7 +223,9 @@ impl Builder {
}

fn heap_c_file(&self) -> PathBuf {
self.freertos_dir.join("portable/MemMang").join(&self.heap_c)
self.freertos_dir
.join("portable/MemMang")
.join(&self.heap_c)
}
fn shim_c_file(&self) -> PathBuf {
self.freertos_shim.join("shim.c")
Expand All @@ -218,37 +234,58 @@ impl Builder {
/// Check that all required files and paths exist
fn verify_paths(&self) -> Result<(), Error> {
if !self.freertos_dir.is_dir() {
return Err(Error::new(&format!("Directory freertos_dir does not exist: {}", self.freertos_dir.to_str().unwrap())));
return Err(Error::new(&format!(
"Directory freertos_dir does not exist: {}",
self.freertos_dir.to_str().unwrap()
)));
}
let port_dir = self.get_freertos_port_dir();
if !port_dir.is_dir() {
return Err(Error::new(&format!("Directory freertos_port_dir does not exist: {}", port_dir.to_str().unwrap())));
return Err(Error::new(&format!(
"Directory freertos_port_dir does not exist: {}",
port_dir.to_str().unwrap()
)));
}

let include_dir = self.freertos_include_dir();
if !include_dir.is_dir() {
return Err(Error::new(&format!("Directory freertos_include_dir does not exist: {}", include_dir.to_str().unwrap())));
return Err(Error::new(&format!(
"Directory freertos_include_dir does not exist: {}",
include_dir.to_str().unwrap()
)));
}

// The heap implementation
let heap_c = self.heap_c_file();
if !heap_c.is_file() {
return Err(Error::new(&format!("File heap_?.c does not exist: {}", heap_c.to_str().unwrap())));
return Err(Error::new(&format!(
"File heap_?.c does not exist: {}",
heap_c.to_str().unwrap()
)));
}

// Allows to find the FreeRTOSConfig.h
if !self.freertos_config_dir.is_dir() {
return Err(Error::new(&format!("Directory freertos_config_dir does not exist: {}", self.freertos_config_dir.to_str().unwrap())));
return Err(Error::new(&format!(
"Directory freertos_config_dir does not exist: {}",
self.freertos_config_dir.to_str().unwrap()
)));
}
// Make sure FreeRTOSConfig.h exists in freertos_config_dir
if !self.freertos_config_dir.join("FreeRTOSConfig.h").is_file() {
return Err(Error::new(&format!("File FreeRTOSConfig.h does not exist in the freertos_config_dir directory: {}", self.freertos_config_dir.to_str().unwrap())));
return Err(Error::new(&format!(
"File FreeRTOSConfig.h does not exist in the freertos_config_dir directory: {}",
self.freertos_config_dir.to_str().unwrap()
)));
}

// Add the freertos shim.c to support freertos-rust
let shim_c = self.shim_c_file();
if !shim_c.is_file() {
return Err(Error::new(&format!("File freertos_shim '{}' does not exist, missing freertos-rust dependency?", shim_c.to_str().unwrap())));
return Err(Error::new(&format!(
"File freertos_shim '{}' does not exist, missing freertos-rust dependency?",
shim_c.to_str().unwrap()
)));
}

Ok(())
Expand All @@ -272,7 +309,8 @@ impl Builder {
println!("cargo:rerun-if-env-changed={ENV_KEY_FREERTOS_CONFIG}");
println!("cargo:rerun-if-env-changed={ENV_KEY_FREERTOS_SHIM}");

b.try_compile("freertos").map_err(|e| Error::new(&format!("{}", e)))?;
b.try_compile("freertos")
.map_err(|e| Error::new(&format!("{}", e)))?;

Ok(())
}
Expand Down Expand Up @@ -331,7 +369,7 @@ fn add_include_with_rerun<P: AsRef<Path>>(build: &mut Build, dir: P) {
fn test_paths() {
env::set_var("FREERTOS_SRC", "some/path");
env::set_var("TARGET", "thumbv8m.main-none-eabihf");
let mut b = Builder::new();
let b = Builder::new();
assert_eq!(b.freertos_dir.to_str().unwrap(), "some/path");
}
/*
Expand Down

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