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main.rs
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main.rs
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mod compile;
mod args;
mod full;
use hvm64_util::prelude::*;
use core::time::Duration;
use std::{
env::{
self,
consts::{DLL_PREFIX, DLL_SUFFIX},
},
ffi::OsStr,
fs, io,
path::PathBuf,
process::{self, Stdio},
time::Instant,
};
use self::full::{CliMode, FullCli};
use args::{RunArgs, RuntimeOpts, TransformArgs, TransformPass};
use clap::Parser;
use hvm64_ast::{Book, Net, Tree};
use hvm64_host::Host;
use hvm64_runtime::{trace, DynDef, Heap, Port, Trg};
use hvm64_transform::Transform;
use hvm64_util::pretty_num;
fn main() {
if cfg!(feature = "trace") {
trace::set_hook();
}
let cli = FullCli::parse();
match cli.mode {
CliMode::Compile { file, transform_args, output } => {
let output = if let Some(output) = output {
output
} else if let Some("hvm") = file.extension().and_then(OsStr::to_str) {
file.with_extension("")
} else {
eprintln!("file missing `.hvm` extension; explicitly specify an output path with `--output`.");
process::exit(1);
};
let host = Host::new(&load_book(&[file], transform_args));
compile::create_temp_hvm(&host).unwrap();
compile_temp_hvm().unwrap();
fs::copy(format!(".hvm/target/release/{DLL_PREFIX}hvm64_gen{DLL_SUFFIX}"), output).unwrap();
}
CliMode::Run { run_opts, mut transform_args, file, args } => {
// Don't pre-reduce or prune the entry point
transform_args.transform_opts.pre_reduce_skip.push(args.entry_point.clone());
transform_args.transform_opts.prune_entrypoints.push(args.entry_point.clone());
let host = load_host(&[file], transform_args, &run_opts.include);
run(&host, run_opts, args);
}
CliMode::Reduce { run_opts, transform_args, files, exprs } => {
let host = load_host(&files, transform_args, &run_opts.include);
let exprs: Vec<_> = exprs.iter().map(|x| x.parse().unwrap()).collect();
reduce_exprs(&host, &exprs, &run_opts);
}
CliMode::Transform { transform_args, files } => {
let book = load_book(&files, transform_args);
println!("{}", book);
}
};
if cfg!(feature = "trace") {
trace::_read_traces(usize::MAX);
}
}
fn run(host: &Host, opts: RuntimeOpts, args: RunArgs) {
let mut net = Net { root: Tree::Ref(args.entry_point), redexes: vec![] };
for arg in args.args {
let arg: Net = arg.parse().unwrap();
net.redexes.extend(arg.redexes);
net.apply_tree(arg.root);
}
reduce_exprs(host, &[net], &opts);
}
fn load_host(files: &[PathBuf], transform_args: TransformArgs, include: &[PathBuf]) -> Host {
let mut host: Host = Default::default();
load_dylibs(&mut host, include);
host.insert_book(&load_book(files, transform_args));
host
}
fn load_book(files: &[PathBuf], transform_args: TransformArgs) -> Book {
let mut book = files
.iter()
.map(|name| {
let contents = fs::read_to_string(name).unwrap_or_else(|_| {
eprintln!("Input file {:?} not found", name);
process::exit(1);
});
contents.parse().unwrap_or_else(|e| {
eprintln!("Parsing error {e}");
process::exit(1);
})
})
.fold(Book::default(), |mut acc, i: Book| {
acc.nets.extend(i.nets);
acc
});
let transform_passes = TransformPass::to_passes(&transform_args.transform_passes[..]);
book
.transform(transform_passes, &hvm64_transform::TransformOpts {
pre_reduce_skip: transform_args.transform_opts.pre_reduce_skip,
pre_reduce_memory: transform_args.transform_opts.pre_reduce_memory,
pre_reduce_rewrites: transform_args.transform_opts.pre_reduce_rewrites,
prune_entrypoints: transform_args.transform_opts.prune_entrypoints,
})
.unwrap();
book
}
fn load_dylibs(host: &mut Host, include: &[PathBuf]) {
let current_dir = env::current_dir().unwrap();
for file in include {
unsafe {
let lib = if file.is_absolute() {
libloading::Library::new(file)
} else {
libloading::Library::new(current_dir.join(file))
}
.expect("failed to load dylib");
let rust_version =
lib.get::<fn() -> &'static str>(b"hvm64_dylib_v0__rust_version").expect("failed to load rust version");
let rust_version = rust_version();
if rust_version != env!("RUSTC_VERSION") {
eprintln!(
"warning: dylib {file:?} was compiled with rust version {rust_version}, but is being run with rust version {}",
env!("RUSTC_VERSION")
);
}
let hvm64_version =
lib.get::<fn() -> &'static str>(b"hvm64_dylib_v0__hvm64_version").expect("failed to load hvm64 version");
let hvm64_version = hvm64_version();
if hvm64_version != env!("CARGO_PKG_VERSION") {
eprintln!(
"warning: dylib {file:?} was compiled with hvm64 version {hvm64_version}, but is being run with hvm64 version {}",
env!("CARGO_PKG_VERSION")
);
}
let insert_into = lib
.get::<fn(&mut dyn FnMut(&str, Box<DynDef>))>(b"hvm64_dylib_v0__insert_into")
.expect("failed to load insert_into");
insert_into(&mut |name, def| {
host.insert_def(name, def);
});
// Leak the lib to avoid unloading it, as code from it is still referenced.
mem::forget(lib);
}
}
}
fn reduce_exprs(host: &Host, exprs: &[Net], opts: &RuntimeOpts) {
let heap = Heap::new(opts.memory).expect("memory allocation failed");
for expr in exprs {
let net = &mut hvm64_runtime::Net::new(&heap);
host.encode_net(net, Trg::port(Port::new_var(net.root.addr())), expr);
let start_time = Instant::now();
if opts.single_core {
net.normal();
} else {
net.parallel_normal();
}
let elapsed = start_time.elapsed();
println!("{}", host.readback(net));
if opts.show_stats {
print_stats(net, elapsed);
}
}
}
fn print_stats(net: &hvm64_runtime::Net, elapsed: Duration) {
eprintln!("RWTS : {:>15}", pretty_num(net.rwts.total()));
eprintln!("- ANNI : {:>15}", pretty_num(net.rwts.anni));
eprintln!("- COMM : {:>15}", pretty_num(net.rwts.comm));
eprintln!("- ERAS : {:>15}", pretty_num(net.rwts.eras));
eprintln!("- DREF : {:>15}", pretty_num(net.rwts.dref));
eprintln!("- OPER : {:>15}", pretty_num(net.rwts.oper));
eprintln!("TIME : {:.3?}", elapsed);
eprintln!("RPS : {:.3} M", (net.rwts.total() as f64) / (elapsed.as_millis() as f64) / 1000.0);
}
/// Compiles the `.hvm` directory, appending the provided `args` to `cargo`.
fn compile_temp_hvm() -> Result<(), io::Error> {
let output = process::Command::new("cargo")
.current_dir(".hvm/gen/")
.arg("build")
.arg("--release")
.stderr(Stdio::inherit())
.output()?;
if !output.status.success() {
process::exit(1);
}
Ok(())
}