2 files changed, 22 insertions, 0 deletions
diff --git a/core/lib.rs b/core/lib.rs
index 91f91a1c9..2fcfa178b 100644
--- a/core/lib.rs
+++ b/core/lib.rs
@@ -45,3 +45,5 @@ pub fn v8_version() -> &'static str {
 fn test_v8_version() {
   assert!(v8_version().len() > 3);
 }
+
+crate_modules!();
diff --git a/core/modules.rs b/core/modules.rs
index 21c2481dd..c02bd4cab 100644
--- a/core/modules.rs
+++ b/core/modules.rs
@@ -449,6 +449,26 @@ impl fmt::Display for Deps {
   }
 }
 
+#[macro_export]
+macro_rules! crate_modules {
+  () => {
+    pub const DENO_CRATE_PATH: &'static str = env!("CARGO_MANIFEST_DIR");
+  };
+}
+
+#[macro_export]
+macro_rules! include_crate_modules {
+  ( $( $x:ident ),* ) => {
+    {
+      let mut temp: HashMap<String, String> = HashMap::new();
+      $(
+        temp.insert(stringify!($x).to_string(), $x::DENO_CRATE_PATH.to_string());
+      )*
+      temp
+    }
+  };
+}
+
 #[cfg(test)]
 mod tests {
   use super::*;