diff --git a/stdlib/ast_node.krak b/stdlib/ast_node.krak
index 16e378e..b3964f2 100644
--- a/stdlib/ast_node.krak
+++ b/stdlib/ast_node.krak
@@ -31,9 +31,6 @@ adt ast_node {
     declaration_statement: declaration_statement,
     if_comp: if_comp,
     simple_passthrough: simple_passthrough,
-    passthrough_params: passthrough_params,
-    in_passthrough_params: in_passthrough_params,
-    out_passthrough_params: out_passthrough_params,
     function_call: function_call,
     value: value
 }
@@ -627,84 +624,6 @@ obj simple_passthrough (Object) {
         return true
     }
 }
-fun ast_passthrough_params_ptr(): *ast_node {
-    var to_ret.construct(): passthrough_params
-    var ptr = new<ast_node>()
-    ptr->copy_construct(&ast_node::passthrough_params(to_ret))
-    return ptr
-}
-obj passthrough_params (Object) {
-    var scope: map<string, vector<*ast_node>>
-    fun construct(): *passthrough_params  {
-        scope.construct()
-        return this
-    }
-    fun copy_construct(old: *passthrough_params) {
-        scope.copy_construct(&old->scope)
-    }
-    fun destruct() {
-        scope.destruct()
-    }
-    fun operator=(other: ref passthrough_params) {
-        destruct()
-        copy_construct(&other)
-    }
-    fun operator==(other: ref passthrough_params): bool {
-        return true
-    }
-}
-fun ast_in_passthrough_params_ptr(): *ast_node {
-    var to_ret.construct(): in_passthrough_params
-    var ptr = new<ast_node>()
-    ptr->copy_construct(&ast_node::in_passthrough_params(to_ret))
-    return ptr
-}
-obj in_passthrough_params (Object) {
-    var scope: map<string, vector<*ast_node>>
-    fun construct(): *in_passthrough_params  {
-        scope.construct()
-        return this
-    }
-    fun copy_construct(old: *in_passthrough_params) {
-        scope.copy_construct(&old->scope)
-    }
-    fun destruct() {
-        scope.destruct()
-    }
-    fun operator=(other: ref in_passthrough_params) {
-        destruct()
-        copy_construct(&other)
-    }
-    fun operator==(other: ref in_passthrough_params): bool {
-        return true
-    }
-}
-fun ast_out_passthrough_params_ptr(): *ast_node {
-    var to_ret.construct(): out_passthrough_params
-    var ptr = new<ast_node>()
-    ptr->copy_construct(&ast_node::out_passthrough_params(to_ret))
-    return ptr
-}
-obj out_passthrough_params (Object) {
-    var scope: map<string, vector<*ast_node>>
-    fun construct(): *out_passthrough_params  {
-        scope.construct()
-        return this
-    }
-    fun copy_construct(old: *out_passthrough_params) {
-        scope.copy_construct(&old->scope)
-    }
-    fun destruct() {
-        scope.destruct()
-    }
-    fun operator=(other: ref out_passthrough_params) {
-        destruct()
-        copy_construct(&other)
-    }
-    fun operator==(other: ref out_passthrough_params): bool {
-        return true
-    }
-}
 fun ast_function_call_ptr(): *ast_node {
     var to_ret.construct(): function_call
     var ptr = new<ast_node>()
@@ -781,9 +700,6 @@ fun get_ast_children(node: *ast_node): vector<*ast_node> {
         ast_node::declaration_statement(backing) return vector<*ast_node>()
         ast_node::if_comp(backing) return vector<*ast_node>()
         ast_node::simple_passthrough(backing) return vector<*ast_node>()
-        ast_node::passthrough_params(backing) return vector<*ast_node>()
-        ast_node::in_passthrough_params(backing) return vector<*ast_node>()
-        ast_node::out_passthrough_params(backing) return vector<*ast_node>()
         ast_node::function_call(backing) return vector<*ast_node>()
         ast_node::value(backing) return vector<*ast_node>()
     }
@@ -811,9 +727,6 @@ fun get_ast_name(node: *ast_node): string {
         ast_node::declaration_statement(backing) return string("declaration_statement")
         ast_node::if_comp(backing) return string("if_comp")
         ast_node::simple_passthrough(backing) return string("simple_passthrough")
-        ast_node::passthrough_params(backing) return string("passthrough_params")
-        ast_node::in_passthrough_params(backing) return string("in_passthrough_params")
-        ast_node::out_passthrough_params(backing) return string("out_passthrough_params")
         ast_node::function_call(backing) return string("function_call")
         ast_node::value(backing) return string("value")
     }
@@ -841,9 +754,6 @@ fun get_ast_scope(node: *ast_node): *map<string,vector<*ast_node>> {
         ast_node::declaration_statement() return &node->declaration_statement.scope
         ast_node::if_comp() return null<map<string,vector<*ast_node>>>()
         ast_node::simple_passthrough() return &node->simple_passthrough.scope
-        ast_node::passthrough_params() return &node->passthrough_params.scope
-        ast_node::in_passthrough_params() return &node->in_passthrough_params.scope
-        ast_node::out_passthrough_params() return &node->out_passthrough_params.scope
         ast_node::function_call() return &node->function_call.scope
         ast_node::value() return &node->value.scope
     }
diff --git a/stdlib/ast_transformation.krak b/stdlib/ast_transformation.krak
index e1f3005..fbc8c67 100644
--- a/stdlib/ast_transformation.krak
+++ b/stdlib/ast_transformation.krak
@@ -73,16 +73,13 @@ obj ast_transformation (Object) {
     fun transform(node: *tree<symbol>, scope: *ast_node): *ast_node {
         var name = node->data.name
         if (name == "identifier" || name == "scoped_identifier") {
+            return transform_identifier(node, scope)
         } else if (name == "code_block") {
-            var new_block = ast_code_block_ptr()
-            add_to_scope("~enclosing_scope", scope, new_block)
-            new_block->code_block.children = transform_all(node->children, new_block)
-            return new_block
-        } else if (name == "code_block") {
-            var new_if_comp = ast_if_comp_ptr()
-            add_to_scope("~enclosing_scope", scope, new_if_comp)
-            new_if_comp->code_block.children = transform_all(node->children, new_if_comp)
-            return new_if_comp
+            return transform_code_block(node, scope)
+        } else if (name == "if_comp") {
+            return transform_if_comp(node, scope)
+        } else if (name == "simple_passthrough") {
+            return transform_simple_passthrough(node, scope)
         }
         print("FAILED TO TRANSFORM: "); println(concat_symbol_tree(node))
         return null<ast_node>()
@@ -90,6 +87,26 @@ obj ast_transformation (Object) {
     fun transform_all(nodes: vector<*tree<symbol>>, scope: *ast_node): vector<*ast_node> {
         return nodes.map(fun(node: *tree<symbol>): *ast_node return transform(node, scope);)
     }
+    fun transform_identifier(node: *tree<symbol>, scope: *ast_node): *ast_node {
+        // for identifier we have to do scope lookup, etc, and maybe limit to function
+        var name = concat_symbol_tree(node)
+        return ast_identifier_ptr(name)
+    }
+    fun transform_code_block(node: *tree<symbol>, scope: *ast_node): *ast_node {
+        var new_block = ast_code_block_ptr()
+        add_to_scope("~enclosing_scope", scope, new_block)
+        new_block->code_block.children = transform_all(node->children, new_block)
+        return new_block
+    }
+    fun transform_if_comp(node: *tree<symbol>, scope: *ast_node): *ast_node {
+        var new_if_comp = ast_if_comp_ptr()
+        return new_if_comp
+    }
+    fun transform_simple_passthrough(node: *tree<symbol>, scope: *ast_node): *ast_node {
+        var new_passthrough = ast_simple_passthrough_ptr()
+        // setup passthrough params and string
+        return new_passthrough
+    }
 }
 
 fun concat_symbol_tree(node: *tree<symbol>): string {
diff --git a/tests/to_import.krak b/tests/to_import.krak
index 01e35f4..cc88aab 100644
--- a/tests/to_import.krak
+++ b/tests/to_import.krak
@@ -1,4 +1,8 @@
 
+__if_comp__ __C__ simple_passthrough """
+	#include <stdio.h>
+"""
+
 var a = 1
 var b = 2