prefixed template strings, like "String.rawfoo\nbar".

lib/ast.js

@@ -501,6 +501,18 @@ var AST_Destructuring = DEFNODE("Destructuring", "names is_array", {
     }
 });
 
+var AST_PrefixedTemplateString = DEFNODE("PrefixedTemplateString", "template_string prefix", {
+    $documentation: "A templatestring with a prefix, such as String.raw`foobarbaz`",
+    $propdoc: {
+        template_string: "[AST_TemplateString] The template string",
+        prefix: "[AST_SymbolRef|AST_PropAccess] The prefix, which can be a symbol such as `foo` or a dotted expression such as `String.raw`."
+    },
+    _walk: function(visitor) {
+        this.prefix._walk(visitor);
+        this.template_string._walk(visitor);
+    }
+})
+
 var AST_TemplateString = DEFNODE("TemplateString", "segments", {
     $documentation: "A template string literal",
     $propdoc: {