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Replace build.sh with cargo run

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This commit is contained in:
Richard Feldman 2020-04-06 23:32:47 -04:00
parent 9b0fb9e7cb
commit 950ca4436b
9 changed files with 53 additions and 442 deletions
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42
cli/src/main.rs
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@ -24,6 +24,7 @@ use std::fs::File;
use std::io;
use std::io::prelude::*;
use std::path::{Path, PathBuf};
use std::process::Command;
use target_lexicon::{Architecture, OperatingSystem, Triple, Vendor};
pub mod helpers;
@ -34,12 +35,19 @@ fn main() -> io::Result<()> {
match argv.get(1) {
Some(filename) => {
let mut file = File::open(filename)?;
let mut path = Path::new(filename).canonicalize().unwrap();
if !path.is_absolute() {
path = std::env::current_dir()?.join(path).canonicalize().unwrap();
}
// Step 1: build the .o file for the app
let mut file = File::open(path.clone())?;
let mut contents = String::new();
file.read_to_string(&mut contents)?;
let dest_filename = Path::new(filename).with_extension("o");
let dest_filename = path.with_extension("o");
gen(
Path::new(filename).to_path_buf(),
@ -50,7 +58,35 @@ fn main() -> io::Result<()> {
let end_time = now.elapsed().unwrap();
println!("Finished in {} ms\n", end_time.as_millis());
println!(
"Finished compilation and code gen in {} ms\n",
end_time.as_millis()
);
let cwd = dest_filename.parent().unwrap();
let lib_path = dest_filename.with_file_name("libroc_app.a");
// Step 2: turn the .o file into a .a static library
Command::new("ar") // TODO on Windows, use `link`
.args(&[
"rcs",
lib_path.to_str().unwrap(),
dest_filename.to_str().unwrap(),
])
.spawn()
.expect("`ar` failed to run");
// Step 3: have rustc compile the host and link in the .a file
Command::new("rustc")
.args(&["-L", ".", "host.rs", "-o", "app"])
.current_dir(cwd)
.spawn()
.expect("rustc failed to run");
// Step 4: Run the compiled app
Command::new(cwd.join("app"))
.spawn()
.expect("./app failed to run");
Ok(())
}