Include source info in status AST dump

pkg/analysis_server/lib/src/status/ast_writer.dart

Index: pkg/analysis_server/lib/src/status/ast_writer.dart
diff --git a/pkg/analysis_server/lib/src/status/ast_writer.dart b/pkg/analysis_server/lib/src/status/ast_writer.dart
index db3d74e61ceed51506619338b67701fff89a37b4..99229a099af66ece2211c71cbc34368674ffb43e 100644
--- a/pkg/analysis_server/lib/src/status/ast_writer.dart
+++ b/pkg/analysis_server/lib/src/status/ast_writer.dart
@@ -10,6 +10,7 @@ import 'package:analysis_server/src/get_handler.dart';
 import 'package:analyzer/src/generated/ast.dart';
 import 'package:analyzer/src/generated/element.dart';
 import 'package:analyzer/src/generated/java_engine.dart';
+import 'package:analyzer/src/generated/source.dart';
 
 /**
  * A visitor that will produce an HTML representation of an AST structure.
@@ -142,6 +143,7 @@ class AstWriter extends UnifyingAstVisitor {
       _writeProperty("element", node.element);
     } else if (node is ExportDirective) {
       _writeProperty("element", node.element);
+      _writeProperty("source", node.source);
     } else if (node is FunctionExpressionInvocation) {
       _writeProperty('static element', node.staticElement);
       _writeProperty('static type', node.staticType);
@@ -149,10 +151,12 @@ class AstWriter extends UnifyingAstVisitor {
       _writeProperty('propagated type', node.propagatedType);
     } else if (node is ImportDirective) {
       _writeProperty("element", node.element);
+      _writeProperty("source", node.source);
     } else if (node is LibraryDirective) {
       _writeProperty("element", node.element);
     } else if (node is PartDirective) {
       _writeProperty("element", node.element);
+      _writeProperty("source", node.source);
     } else if (node is PartOfDirective) {
       _writeProperty("element", node.element);
     } else if (node is PostfixExpression) {
@@ -185,7 +189,11 @@ class AstWriter extends UnifyingAstVisitor {
     if (value != null) {
       String valueString = null;
       try {
-        valueString = value.toString();
+        if (value is Source) {
+          valueString = 'Source (uri="${value.uri}", path="${value.fullName}")';
+        } else {
+          valueString = value.toString();
+        }
       } catch (exception, stackTrace) {
         exceptions.add(new CaughtException(exception, stackTrace));
       }