Optimizing code generator expects that every AST node is traversed once, i.e., the nodes are not ...

runtime/vm/parser.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/parser.h"
 
 #include "vm/bigint_operations.h"
 #include "vm/class_finalizer.h"
 #include "vm/compiler.h"
 #include "vm/compiler_stats.h"
@@ skipping 5458 matching lines @@
   if (node->IsLoadIndexedNode()) {
     LoadIndexedNode* load_indexed = node->AsLoadIndexedNode();
     intptr_t token_id = node->id();
     intptr_t token_index = node->token_index();
     node = NULL;  // Do not use it.
     // The array object access may not have side effects.
     // First, evaluate the array object expression if it might have side
     // effects.
     if (!IsLocalOrLiteralNode(load_indexed->array())) {
       LocalVariable* temp =
-      CreateTempConstVariable(token_index, token_id, "lia");
+          CreateTempConstVariable(token_index, token_id, "lia");
       AstNode* save =
-      new StoreLocalNode(token_index, *temp, load_indexed->array());
+          new StoreLocalNode(token_index, *temp, load_indexed->array());
       current_block_->statements->Add(save);
       AstNode* load = new LoadLocalNode(token_index, *temp);
       load_indexed = new LoadIndexedNode(token_index,
                                          load,
                                          load_indexed->index_expr());
     }
     // Second, evaluate the index expression and store in a temporary
     // variable if it might have side effects.
     if (!IsLocalOrLiteralNode(load_indexed->index_expr())) {
       LocalVariable* temp =
@@ skipping 2268 matching lines @@
 void Parser::SkipQualIdent() {
   ASSERT(IsIdentifier());
   ConsumeToken();
   if (CurrentToken() == Token::kPERIOD) {
     ConsumeToken();  // Consume the kPERIOD token.
     ExpectIdentifier("identifier expected after '.'");
   }
 }
 
 }  // namespace dart