Introduce code to generate UnlinkedPublicNamespace directly from an AST.

pkg/analyzer/tool/summary/generate.dart

 // Copyright (c) 2015, 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.
 
 /**
  * This file contains code to generate serialization/deserialization logic for
  * summaries based on an "IDL" description of the summary format (written in
  * stylized Dart).
  *
  * For each class in the "IDL" input, two corresponding classes are generated:
@@ skipping 229 matching lines @@
     out('// Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file');
     out('// for details. All rights reserved. Use of this source code is governed by a');
     out('// BSD-style license that can be found in the LICENSE file.');
     out('//');
     out('// This file has been automatically generated.  Please do not edit it manually.');
     out('// To regenerate the file, use the script "pkg/analyzer/tool/generate_files".');
     out();
     out('library analyzer.src.summary.format;');
     out();
     out("import 'dart:convert';");
-    out("import 'builder.dart' as builder;");
+    out("import 'base.dart' as base;");
     out();
     _idl.enums.forEach((String name, idlModel.EnumDeclaration enm) {
       out('enum $name {');
       indent(() {
         for (String value in enm.values) {
           out('$value,');
         }
       });
       out('}');
       out();
     });
     _idl.classes.forEach((String name, idlModel.ClassDeclaration cls) {
-      out('class $name {');
+      out('class $name extends base.SummaryClass {');
       indent(() {
         cls.fields.forEach((String fieldName, idlModel.FieldType type) {
           out('${dartType(type)} _$fieldName;');
         });
         out();
         out('$name.fromJson(Map json)');
         indent(() {
           List<String> initializers = <String>[];
           cls.fields.forEach((String fieldName, idlModel.FieldType type) {
             String convert = 'json[${quoted(fieldName)}]';
@@ skipping 13 matching lines @@
             }
             initializers.add('_$fieldName = $convert');
           });
           for (int i = 0; i < initializers.length; i++) {
             String prefix = i == 0 ? ': ' : '  ';
             String suffix = i == initializers.length - 1 ? ';' : ',';
             out('$prefix${initializers[i]}$suffix');
           }
         });
         out();
+        out('@override');
+        out('Map<String, Object> toMap() => {');
+        indent(() {
+          cls.fields.forEach((String fieldName, idlModel.FieldType type) {
+            out('${quoted(fieldName)}: $fieldName,');
+          });
+        });
+        out('};');
+        out();
         if (cls.isTopLevel) {
           out('$name.fromBuffer(List<int> buffer) : this.fromJson(JSON.decode(UTF8.decode(buffer)));');
           out();
         }
         cls.fields.forEach((String fieldName, idlModel.FieldType type) {
           String def = defaultValue(type);
           String defaultSuffix = def == null ? '' : ' ?? $def';
           out('${dartType(type)} get $fieldName => _$fieldName$defaultSuffix;');
         });
       });
       out('}');
       out();
       List<String> builderParams = <String>[];
       out('class ${name}Builder {');
       indent(() {
         out('final Map _json = {};');
         out();
         out('bool _finished = false;');
         out();
-        out('${name}Builder(builder.BuilderContext context);');
+        out('${name}Builder(base.BuilderContext context);');
         cls.fields.forEach((String fieldName, idlModel.FieldType type) {
           out();
           String conversion = '_value';
           String condition = '';
           if (type.isList) {
             if (_idl.classes.containsKey(type.typeName)) {
               conversion = '$conversion.map((b) => b.finish()).toList()';
             } else {
               conversion = '$conversion.toList()';
             }
@@ skipping 29 matching lines @@
         out('Map finish() {');
         indent(() {
           out('assert(!_finished);');
           out('_finished = true;');
           out('return _json;');
         });
         out('}');
       });
       out('}');
       out();
-      out('${name}Builder encode$name(builder.BuilderContext builderContext, {${builderParams.join(', ')}}) {');
+      out('${name}Builder encode$name(base.BuilderContext builderContext, {${builderParams.join(', ')}}) {');
       indent(() {
         out('${name}Builder builder = new ${name}Builder(builderContext);');
         cls.fields.forEach((String fieldName, idlModel.FieldType type) {
           out('builder.$fieldName = $fieldName;');
         });
         out('return builder;');
       });
       out('}');
       out();
     });
   }
 
   /**
    * Enclose [s] in quotes, escaping as necessary.
    */
   String quoted(String s) {
     return JSON.encode(s);
   }
 }