importing names in the modules, not just default imports

lib/parse.js

@@ -1613,8 +1613,28 @@ function parse($TEXT, options) {
     function import_() {
         var start = prev();
         var imported_name;
+        var imported_names;
         if (is("name")) {
             imported_name = as_symbol(AST_SymbolImport);
+        }
+
+        if (is("punc", ",")) {
+            next();
+        }
+
+        if (is("punc", "{")) {
+            next();
+            imported_names = [];
+            while (!is("punc", "}")) {
+                imported_names.push(import_name());
+                if (is("punc", ",")) {
+                    next();
+                }
+            }
+            next();
+        }
+
+        if (imported_names || imported_name) {
             expect_token("name", "from");
         }
         var mod_str = S.token;
@@ -1625,6 +1645,7 @@ function parse($TEXT, options) {
         return new AST_Import({
             start: start,
             imported_name: imported_name,
+            imported_names: imported_names,
             module_name: new AST_String({
                 start: mod_str,
                 value: mod_str.value,
@@ -1635,6 +1656,25 @@ function parse($TEXT, options) {
         });
     }
 
+    function import_name() {
+        var start = S.token;
+        var foreign_name;
+        var name;
+
+        if (peek().value === "as" && peek().type === "name") {
+            foreign_name = as_symbol(AST_SymbolImportForeign);
+            next();  // The "as" word
+        }
+        name = as_symbol(AST_SymbolImport);
+
+        return new AST_NameImport({
+            start: start,
+            foreign_name: foreign_name,
+            name: name,
+            end: prev(),
+        })
+    }
+
     function as_property_name() {
         var tmp = S.token;
         next();