diff --git a/lib/ast.js b/lib/ast.js
index 2843bbb9..90acefc3 100644
--- a/lib/ast.js
+++ b/lib/ast.js
@@ -113,6 +113,7 @@ Cola.AST_Node = Cola.DEFNODE("Node", "start end", {
 }, null);
 
 Cola.AST_Command = Cola.DEFNODE("Command", "name args", {
+    $iscola: true,
     $documentation: "Compiler-command statement",
     $propdoc: {
         name: "[string] Name of command",
@@ -401,6 +402,7 @@ Cola.AST_Defun = Cola.DEFNODE("Defun", "type", {
 }, Cola.AST_Lambda);
 
 Cola.AST_Namedarg = Cola.DEFNODE("Namedarg", "start end name value", {
+    $iscola: true,
     $documentation: "Named argument",
     $propdoc: {
         value: "Value of named argument"
@@ -408,6 +410,7 @@ Cola.AST_Namedarg = Cola.DEFNODE("Namedarg", "start end name value", {
 }, Cola.AST_SymbolRef);
 
 Cola.AST_ArgDef = Cola.DEFNODE("ArgDef", "start end name type argtype defval", {
+    $iscola: true,
     $documentation: "A function argument expression",
     $propdoc: {
         type: "Data type",
@@ -515,6 +518,7 @@ Cola.AST_Case = Cola.DEFNODE("Case", "expression", {
 }, Cola.AST_SwitchBranch);
 
 Cola.AST_When = Cola.DEFNODE("When", null, {
+    $iscola: true,
     $documentation: "A `when` switch branch"
 }, Cola.AST_Case);
 
@@ -689,6 +693,7 @@ Cola.AST_Dot = Cola.DEFNODE("Dot", null, {
 }, Cola.AST_PropAccess);
 
 Cola.AST_Proto = Cola.DEFNODE("Proto", null, {
+    $iscola: true,
     $documentation: "Accessor to prototype",
     _walk: function(visitor) {
         return visitor._visit(this, function(){
@@ -698,6 +703,7 @@ Cola.AST_Proto = Cola.DEFNODE("Proto", null, {
 }, Cola.AST_PropAccess);
 
 Cola.AST_Cascade = Cola.DEFNODE("Cascade", "expression subexpressions", {
+    $iscola: true,
     $documentation: "Base class for properties access expressions, i.e. `a..foo..bar`",
     $propdoc: {
         expression: "[AST_Node] the “container” expression",
@@ -796,10 +802,12 @@ Cola.AST_Array = Cola.DEFNODE("Array", "elements template vardef", {
 });
 
 Cola.AST_ArrayTemplate = Cola.DEFNODE("ArrayTemplate", null, {
+    $iscola: true,
     $documentation: "Array assignment template.",
 }, Cola.AST_Array);
 
 Cola.AST_ArrayRange = Cola.DEFNODE("ArrayRange", "from to triple", {
+    $iscola: true,
     $documentation: "An array range.",
     $propdoc: {
         from: "[AST_Node] range from",
@@ -828,6 +836,7 @@ Cola.AST_Object = Cola.DEFNODE("Object", "properties template vardef", {
 });
 
 Cola.AST_ObjectTemplate = Cola.DEFNODE("ObjectTemplate", null, {
+    $iscola: true,
     $documentation: "Object assignment template.",
 }, Cola.AST_Object);
 
@@ -938,6 +947,7 @@ Cola.AST_String = Cola.DEFNODE("String", "value", {
 }, Cola.AST_Constant);
 
 Cola.AST_StringTemplate = Cola.DEFNODE("StringTemplate", "body", {
+    $iscola: true,
     $documentation: "A string template",
     $propdoc: {
         body: "[AST_Statement*] the contents of this string template"