From deb85a2245b9997a57113e6fcd1306e170b7e1b2 Mon Sep 17 00:00:00 2001
From: Toshiki Teramura <toshiki.teramura@gmail.com>
Date: Mon, 29 Aug 2022 01:11:46 +0900
Subject: [PATCH 1/2] cargo new lax-bindgen

---
 Cargo.toml              | 1 +
 lax-bindgen/Cargo.toml  | 8 ++++++++
 lax-bindgen/src/main.rs | 3 +++
 3 files changed, 12 insertions(+)
 create mode 100644 lax-bindgen/Cargo.toml
 create mode 100644 lax-bindgen/src/main.rs

diff --git a/Cargo.toml b/Cargo.toml
index ba1ae403..4a9ad966 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,4 +2,5 @@
 members = [
   "ndarray-linalg",
   "lax",
+  "lax-bindgen",
 ]
diff --git a/lax-bindgen/Cargo.toml b/lax-bindgen/Cargo.toml
new file mode 100644
index 00000000..9348cab4
--- /dev/null
+++ b/lax-bindgen/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "lax-bindgen"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
diff --git a/lax-bindgen/src/main.rs b/lax-bindgen/src/main.rs
new file mode 100644
index 00000000..e7a11a96
--- /dev/null
+++ b/lax-bindgen/src/main.rs
@@ -0,0 +1,3 @@
+fn main() {
+    println!("Hello, world!");
+}

From f0c88d93707cb3dcb8f72b5a4e71d8cc67d88121 Mon Sep 17 00:00:00 2001
From: Toshiki Teramura <toshiki.teramura@gmail.com>
Date: Mon, 29 Aug 2022 14:48:33 +0900
Subject: [PATCH 2/2] Re-parse lapack-sys crate

---
 .gitmodules             |  3 +++
 lax-bindgen/Cargo.toml  |  4 ++++
 lax-bindgen/lapack-sys  |  1 +
 lax-bindgen/src/main.rs | 13 +++++++++++--
 4 files changed, 19 insertions(+), 2 deletions(-)
 create mode 160000 lax-bindgen/lapack-sys

diff --git a/.gitmodules b/.gitmodules
index e69de29b..14773f6a 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "lax-bindgen/lapack-sys"]
+	path = lax-bindgen/lapack-sys
+	url = git@github.com:blas-lapack-rs/lapack-sys.git
diff --git a/lax-bindgen/Cargo.toml b/lax-bindgen/Cargo.toml
index 9348cab4..89b2b4c6 100644
--- a/lax-bindgen/Cargo.toml
+++ b/lax-bindgen/Cargo.toml
@@ -6,3 +6,7 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+anyhow = "1.0.62"
+proc-macro2 = "1.0.43"
+quote = "1.0.21"
+syn = { version = "1.0.99", features = ["full", "extra-traits"] }
diff --git a/lax-bindgen/lapack-sys b/lax-bindgen/lapack-sys
new file mode 160000
index 00000000..6f42e18f
--- /dev/null
+++ b/lax-bindgen/lapack-sys
@@ -0,0 +1 @@
+Subproject commit 6f42e18ff245e0b53527a24211af1f640b4b637d
diff --git a/lax-bindgen/src/main.rs b/lax-bindgen/src/main.rs
index e7a11a96..af3dc9db 100644
--- a/lax-bindgen/src/main.rs
+++ b/lax-bindgen/src/main.rs
@@ -1,3 +1,12 @@
-fn main() {
-    println!("Hello, world!");
+use anyhow::Result;
+use std::{fs, path::PathBuf};
+
+fn main() -> Result<()> {
+    let crate_root = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
+    let lapack_sys = fs::read_to_string(crate_root.join("lapack-sys/src/lapack.rs"))?;
+
+    let file: syn::File = syn::parse_str(&lapack_sys)?;
+    dbg!(file);
+
+    Ok(())
 }