Add sys library to Talaria

talaria/Cargo.toml

@@ -16,4 +16,6 @@ strum = "0.27"
 strum_macros = "0.27"
 bytesize = "2.0.1"
 rhai = { version = "1.21", featues = ["sync"] }
+whoami = "1.6.0"
+elevated-command = "1.1.2"
 toml = "0.8.22"

talaria/src/scripting.rs

@@ -18,6 +18,7 @@ impl ScriptingEngine {
         let mut modules = vec![];
 
         {
+            modules.push(("error", exported_module!(error::error)));
             modules.push(("crypto", exported_module!(crypto::crypto)));
             modules.push(("env", exported_module!(env::env)));
             modules.push(("fs", exported_module!(fs::fs)));

talaria/src/stdlib/error.rs

@@ -0,0 +1,34 @@
+use rhai::plugin::*;
+use strum_macros::IntoStaticStr;
+
+#[export_module]
+pub mod error {
+    #[derive(Debug, Clone, IntoStaticStr)]
+    pub enum Error {
+        FsError(String),
+        SysError(String),
+        SysUnsupportedError(String),
+    }
+
+    impl<T> Into<Result<T, Box<EvalAltResult>>> for Error {
+        fn into(self) -> Result<T, Box<EvalAltResult>> {
+            Err(Box::new(EvalAltResult::ErrorRuntime(
+                Dynamic::from(self),
+                Position::NONE,
+            )))
+        }
+    }
+
+    /// Returns a deterministic string that can be matched upon to identify error type
+    #[rhai_fn(get = "name", pure)]
+    pub fn get_error_name(error: &mut Error) -> String {
+        let error: &'static str = error.clone().into();
+        error.to_string()
+    }
+
+    /// Returns message including both error context and message
+    #[rhai_fn(get = "msg", pure)]
+    pub fn get_error_msg(error: &mut Error) -> String {
+        format!("{:?}", error)
+    }
+}

talaria/src/stdlib/mod.rs

@@ -2,6 +2,7 @@ use rhai::Dynamic;
 
 pub mod crypto;
 pub mod env;
+pub mod error;
 pub mod fs;
 pub mod http;
 pub mod net;