Re-introduce ImportDeclaration to the parser

src/prettyprinter.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <stdarg.h>
 
 #include "src/v8.h"
 
 #include "src/ast-value-factory.h"
 #include "src/base/platform/platform.h"
@@ skipping 88 matching lines @@
 
 void CallPrinter::VisitFunctionDeclaration(FunctionDeclaration* node) {}
 
 
 void CallPrinter::VisitModuleDeclaration(ModuleDeclaration* node) {
   Find(node->module());
 }
 
 
 void CallPrinter::VisitImportDeclaration(ImportDeclaration* node) {
-  Find(node->module());
 }
 
 
 void CallPrinter::VisitExportDeclaration(ExportDeclaration* node) {}
 
 
 void CallPrinter::VisitModuleLiteral(ModuleLiteral* node) {
   VisitBlock(node->body());
 }
 
@@ skipping 354 matching lines @@
   Print(" = ");
   Visit(node->module());
   Print(";");
 }
 
 
 void PrettyPrinter::VisitImportDeclaration(ImportDeclaration* node) {
   Print("import ");
   PrintLiteral(node->proxy()->name(), false);
   Print(" from ");
-  Visit(node->module());
+  PrintLiteral(node->module_specifier()->string(), true);
   Print(";");
 }
 
 
 void PrettyPrinter::VisitExportDeclaration(ExportDeclaration* node) {
   Print("export ");
   PrintLiteral(node->proxy()->name(), false);
   Print(";");
 }
 
@@ skipping 711 matching lines @@
 void AstPrinter::VisitModuleDeclaration(ModuleDeclaration* node) {
   IndentedScope indent(this, "MODULE");
   PrintLiteralIndented("NAME", node->proxy()->name(), true);
   Visit(node->module());
 }
 
 
 void AstPrinter::VisitImportDeclaration(ImportDeclaration* node) {
   IndentedScope indent(this, "IMPORT");
   PrintLiteralIndented("NAME", node->proxy()->name(), true);
-  Visit(node->module());
+  PrintLiteralIndented("FROM", node->module_specifier()->string(), true);
 }
 
 
 void AstPrinter::VisitExportDeclaration(ExportDeclaration* node) {
   IndentedScope indent(this, "EXPORT ");
   PrintLiteral(node->proxy()->name(), true);
 }
 
 
 void AstPrinter::VisitModuleLiteral(ModuleLiteral* node) {
@@ skipping 352 matching lines @@
 }
 
 
 void AstPrinter::VisitSuperReference(SuperReference* node) {
   IndentedScope indent(this, "SUPER-REFERENCE");
 }
 
 #endif  // DEBUG
 
 } }  // namespace v8::internal