aya-gen: create directories before writing file

Signed-off-by: Dave Tucker <dave@dtucker.co.uk>

aya-gen/src/lib.rs

@@ -1,5 +1,5 @@
 use std::{
-    fs::File,
+    fs::{create_dir_all, File},
     io::{self, Write},
     path::Path,
 };
@@ -10,10 +10,16 @@ pub mod getters;
 pub mod rustfmt;
 
 pub fn write_to_file<T: AsRef<Path>>(path: T, code: &str) -> Result<(), io::Error> {
+    if let Some(parent) = path.as_ref().parent() {
+        create_dir_all(parent)?;
+    }
     let mut file = File::create(path)?;
     file.write_all(code.as_bytes())
 }
 
 pub fn write_to_file_fmt<T: AsRef<Path>>(path: T, code: &str) -> Result<(), io::Error> {
+    if let Some(parent) = path.as_ref().parent() {
+        create_dir_all(parent)?;
+    }
     write_to_file(path, &rustfmt::format(code)?)
 }