Add rust (caller) side entry point

This commit is contained in:
Leni Aniva 2024-03-05 14:00:04 -08:00
parent b53d26b7ec
commit 5d1f76c332
Signed by: aniva
GPG Key ID: 4D9B1C8D10EA4C50
5 changed files with 417 additions and 5 deletions

352
Cargo.lock generated
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@ -2,6 +2,358 @@
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@ -9,3 +9,6 @@ edition = "2021"
rust-version = "1.73"
[dependencies]
[build-dependencies]
bindgen = "0.69.4"

36
build.rs Normal file
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@ -0,0 +1,36 @@
use std::env;
use std::path::PathBuf;
const CALLEE_NAME: &str = "Callee";
fn main()
{
let callee_root = env::var("CALLEE_PATH").expect("Callee path variable must be available");
let lean_root = env::var("LEAN_ROOT").expect("Lean root must exist");
println!("cargo:rustc-link-search={callee_root}");
println!("cargo:rustc-link-search={lean_root}/lib/lean");
println!("cargo:rustc-link-lib={CALLEE_NAME}");
//println!("cargo:rustc-link-lib=Init_shared");
println!("cargo:rustc-link-lib=leanshared");
// The bindgen::Builder is the main entry point
// to bindgen, and lets you build up options for
// the resulting bindings.
let bindings = bindgen::Builder::default()
// The input header we would like to generate
// bindings for.
.header(format!("{lean_root}/include/lean/lean.h"))
// Tell cargo to invalidate the built crate whenever any of the
// included header files changed.
.parse_callbacks(Box::new(bindgen::CargoCallbacks::new()))
// Finish the builder and generate the bindings.
.generate()
// Unwrap the Result and panic on failure.
.expect("Unable to generate bindings");
// Write the bindings to the $OUT_DIR/bindings.rs file.
let out_path = PathBuf::from(env::var("OUT_DIR").unwrap());
bindings
.write_to_file(out_path.join("lean.rs"))
.expect("Couldn't write bindings!");
}

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@ -27,6 +27,10 @@
roots = [ "Callee" ];
src = ./Callee;
};
common = [
leanPkgs.lean-all
pkgs.libiconv
];
in rec {
packages = {
inherit (leanPkgs) lean iTree stage1 lean-all;
@ -34,9 +38,8 @@
};
devShells.default = pkgs.mkShell {
CALLEE_PATH = callee.sharedLib;
LEAN_INCLUDE_PATH = leanPkgs.lean-all;
buildInputs = [
leanPkgs.lean-all
LEAN_ROOT = leanPkgs.lean-all;
buildInputs = common ++ [
pkgs.rustc
];
};

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@ -1,3 +1,21 @@
fn main() {
println!("Testing!");
#[allow(non_upper_case_globals)]
#[allow(non_camel_case_types)]
#[allow(non_snake_case)]
mod lean {
include!(concat!(env!("OUT_DIR"), "/lean.rs"));
#[link(name="lean")]
extern {
pub fn lean_initialize_runtime_module();
pub fn lean_initialize();
// lean_io_mark_end_initialization is already defined.
}
}
fn main() {
unsafe {
lean::lean_initialize_runtime_module();
lean::lean_initialize();
lean::lean_io_mark_end_initialization();
}
println!("Lean initialization complete!");
}