--

crates/codegen/runtime/cargo/crate/src/runtime/compilation/unit.rs

@@ -37,7 +37,7 @@ impl CompilationUnit {
         self.files.get(id).cloned()
     }
 
-    fn bindings(&self) -> &Bindings {
+    pub fn binding_graph(&self) -> &Bindings {
         self.bindings.get_or_init(|| {
             let resolver = Resolver {
                 files: self.files.clone(),

crates/codegen/runtime/cargo/wasm/src/runtime/interface/bindings.wit.jinja2

@@ -0,0 +1,4 @@
+interface bindings {
+    resource binding-graph {
+    }
+}

crates/codegen/runtime/cargo/wasm/src/runtime/interface/compilation.wit.jinja2

@@ -1,4 +1,5 @@
 interface compilation {
+    use bindings.{binding-graph};
     use cst.{node, cursor};
 
     /// A builder for creating compilation units.
@@ -42,6 +43,13 @@ interface compilation {
 
         /// Returns the file with the specified ID, if it exists.
         file: func(id: string) -> option<file>;
+
+        /// Calculates name binding information for all source files within the compilation unit.
+        /// Returns a graph that contains all found definitions and their references.
+        ///
+        /// Note: building this graph is an expensive operation.
+        /// It is done lazily on the first access, and cached thereafter.
+        binding-graph: func() -> binding-graph;
     }
 
     /// A single source file in the compilation unit.

crates/codegen/runtime/cargo/wasm/src/runtime/interface/world.wit.jinja2

@@ -2,6 +2,7 @@ package nomic-foundation:slang;
 
 world slang {
     export ast;
+    export bindings;
     export compilation;
     export cst;
     export parser;