Issue 4048. Support for revised library/import syntax

compiler/java/com/google/dart/compiler/ast/LibraryNode.java

Index: compiler/java/com/google/dart/compiler/ast/LibraryNode.java
diff --git a/compiler/java/com/google/dart/compiler/ast/LibraryNode.java b/compiler/java/com/google/dart/compiler/ast/LibraryNode.java
index 41227cf56545f483b6938fb402c7aab9b36f8841..683b725052d9f6d94461383a7e3632e648b15126 100644
--- a/compiler/java/com/google/dart/compiler/ast/LibraryNode.java
+++ b/compiler/java/com/google/dart/compiler/ast/LibraryNode.java
@@ -4,8 +4,11 @@
 
 package com.google.dart.compiler.ast;
 
+import com.google.common.collect.ImmutableList;
 import com.google.dart.compiler.common.AbstractNode;
 
+import java.util.List;
+
 /**
  * An element in a library.
  */
@@ -13,6 +16,8 @@ public class LibraryNode extends AbstractNode {
 
   private final String text;
   private final String prefix;
+  private final List<ImportCombinator> combinators;
+  private final boolean exported;
 
   /**
    * Construct a new library node instance
@@ -21,12 +26,17 @@ public class LibraryNode extends AbstractNode {
    * @param text the text comprising the node (not <code>null</code>)
    */
   public LibraryNode(String text) {
-    this(text, null);
+    this.text = text;
+    this.prefix = null;
+    this.combinators = ImmutableList.<ImportCombinator>of();
+    this.exported = false;
   }
 
-  public LibraryNode(String text, String prefix) {
-    this.text = text;
-    this.prefix = prefix;
+  public LibraryNode(DartImportDirective importDirective) {
+    this.text = importDirective.getLibraryUri().getValue();
+    this.prefix = importDirective.getPrefixValue();
+    this.combinators = importDirective.getCombinators();
+    this.exported = importDirective.isExported();
   }
 
   public String getText() {
@@ -36,4 +46,12 @@ public class LibraryNode extends AbstractNode {
   public String getPrefix() {
     return prefix;
   }
+  
+  public List<ImportCombinator> getCombinators() {
+    return combinators;
+  }
+  
+  public boolean isExported() {
+    return exported;
+  }
 }