Refactor module.rs into files structure.

src/module/resolvers/mod.rs

@@ -0,0 +1,40 @@
+use crate::engine::Engine;
+use crate::fn_native::SendSync;
+use crate::module::Module;
+use crate::result::EvalAltResult;
+use crate::token::Position;
+
+use crate::stdlib::boxed::Box;
+
+mod collection;
+pub use collection::ModuleResolversCollection;
+
+#[cfg(not(feature = "no_std"))]
+#[cfg(not(target_arch = "wasm32"))]
+mod file;
+
+#[cfg(not(feature = "no_std"))]
+#[cfg(not(target_arch = "wasm32"))]
+pub use file::FileModuleResolver;
+
+#[cfg(not(feature = "no_std"))]
+#[cfg(not(target_arch = "wasm32"))]
+mod global_file;
+
+#[cfg(not(feature = "no_std"))]
+#[cfg(not(target_arch = "wasm32"))]
+pub use global_file::GlobalFileModuleResolver;
+
+mod stat;
+pub use stat::StaticModuleResolver;
+
+/// Trait that encapsulates a module resolution service.
+pub trait ModuleResolver: SendSync {
+    /// Resolve a module based on a path string.
+    fn resolve(
+        &self,
+        engine: &Engine,
+        path: &str,
+        pos: Position,
+    ) -> Result<Module, Box<EvalAltResult>>;
+}