1.3.0 [release]

CHANGELOG.md

@@ -1,5 +1,11 @@
 # Changelog
 
+## [1.3.0]
+
+### Added
+
+- Adds the `loadstring` function. It compiles a string into lua code - if the code compiles, `loadstring` will return a function that runs that code; otherwise, it returns `nil` and the error that prevented the code from compiling.
+
 ## [1.2.1]
 
 ### Fixed

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "auxlua"
-version = "1.2.1"
+version = "1.3.0"
 authors = ["Y0SH1M4S73R <[email protected]>"]
 edition = "2021"
 

src/lib.rs

@@ -147,6 +147,16 @@ fn print(lua: &Lua, args: MultiValue) -> mlua::Result<()> {
     })
 }
 
+fn loadstring(state: &Lua, mut code: String) -> mlua::Result<(mlua::Value, mlua::Value)> {
+    if code.is_empty() {
+        code = String::from(" "); //mlua bug workaround
+    }
+    match state.load(&code).into_function() {
+        Ok(f) => Ok((mlua::Value::Function(f), mlua::Nil)),
+        Err(e) => Ok((mlua::Nil, mlua::Value::Error(e))),
+    }
+}
+
 /// Applies auxlua-specific data structures to the lua state
 fn apply_state_vars(state: &Lua, id: String) -> DMResult<()> {
     let globals = state.globals();
@@ -273,6 +283,14 @@ fn apply_state_vars(state: &Lua, id: String) -> DMResult<()> {
         .raw_set("print", print)
         .map_err(|e| specific_runtime!("{}", e))?;
 
+    // Set loadstring
+    let loadstring = state
+        .create_function(loadstring)
+        .map_err(|e| specific_runtime!("{}", e))?;
+    globals
+        .raw_set("loadstring", loadstring)
+        .map_err(|e| specific_runtime!("{}", e))?;
+
     let global_metatable = state
         .create_table()
         .map_err(|e| specific_runtime!("{}", e))?;