Implement CodeCache

1 files changed, 25 insertions, 0 deletions

diff --git a/src/fs.rs b/src/fs.rs
new file mode 100644
index 000000000..4ec9611ae
--- /dev/null
+++ b/src/fs.rs
@@ -0,0 +1,25 @@
+use std;
+use std::fs::File;
+use std::io::Read;
+use std::path::Path;
+
+#[allow(dead_code)]
+pub fn read_file_sync(path: &Path) -> std::io::Result<String> {
+  File::open(path).and_then(|mut f| {
+    let mut contents = String::new();
+    f.read_to_string(&mut contents)?;
+    Ok(contents)
+  })
+}
+
+pub fn mkdir(path: &Path) -> std::io::Result<()> {
+  debug!("mkdir -p {}", path.display());
+  assert!(path.has_root(), "non-has_root not yet implemented");
+  std::fs::create_dir_all(path).or_else(|err| {
+    if err.kind() == std::io::ErrorKind::AlreadyExists {
+      Ok(())
+    } else {
+      Err(err)
+    }
+  })
+}