Store enums in summary file as bytes.

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 445 matching lines @@
           String writeCode;
           if (fieldType.isList) {
             condition = ' || $valueName.isEmpty';
             if (_idl.classes.containsKey(fieldType.typeName)) {
               String itemCode = 'b.finish(fbBuilder)';
               String listCode = '$valueName.map((b) => $itemCode).toList()';
               writeCode = '$offsetName = fbBuilder.writeList($listCode);';
             } else if (_idl.enums.containsKey(fieldType.typeName)) {
               String itemCode = 'b.index';
               String listCode = '$valueName.map((b) => $itemCode).toList()';
-              writeCode = '$offsetName = fbBuilder.writeListUint32($listCode);';
+              writeCode = '$offsetName = fbBuilder.writeListUint8($listCode);';
             } else if (fieldType.typeName == 'int') {
               writeCode =
                   '$offsetName = fbBuilder.writeListUint32($valueName);';
             } else if (fieldType.typeName == 'double') {
               writeCode =
                   '$offsetName = fbBuilder.writeListFloat64($valueName);';
             } else {
               assert(fieldType.typeName == 'String');
               String itemCode = 'fbBuilder.writeString(b)';
               String listCode = '$valueName.map((b) => $itemCode).toList()';
@@ skipping 31 matching lines @@
             condition = '$offsetName != null';
             writeCode = 'fbBuilder.addOffset($index, $offsetName);';
           } else if (fieldType.typeName == 'bool') {
             condition = '$valueName == true';
             writeCode = 'fbBuilder.addBool($index, true);';
           } else if (fieldType.typeName == 'int') {
             condition += ' && $valueName != ${defaultValue(fieldType, true)}';
             writeCode = 'fbBuilder.addUint32($index, $valueName);';
           } else if (_idl.enums.containsKey(fieldType.typeName)) {
             condition += ' && $valueName != ${defaultValue(fieldType, true)}';
-            writeCode = 'fbBuilder.addUint32($index, $valueName.index);';
+            writeCode = 'fbBuilder.addUint8($index, $valueName.index);';
           }
           if (writeCode == null) {
             throw new UnimplementedError('Writing type ${fieldType.typeName}');
           }
           out('if ($condition) {');
           indent(() {
             out(writeCode);
           });
           out('}');
         }
         out('return fbBuilder.endTable();');
       });
       out('}');
     });
     out('}');
   }
 
   void _generateEnumReader(idlModel.EnumDeclaration enm) {
     String name = enm.name;
     String readerName = '_${name}Reader';
     out('class $readerName extends fb.Reader<${idlPrefix(name)}> {');
     indent(() {
       out('const $readerName() : super();');
       out();
       out('@override');
-      out('int get size => 4;');
+      out('int get size => 1;');
       out();
       out('@override');
       out('${idlPrefix(name)} read(fb.BufferPointer bp) {');
       indent(() {
-        out('int index = const fb.Uint32Reader().read(bp);');
+        out('int index = const fb.Uint8Reader().read(bp);');
         out('return ${idlPrefix(name)}.values[index];');
       });
       out('}');
     });
     out('}');
   }
 
   void _generateImpl(idlModel.ClassDeclaration cls) {
     String name = cls.name;
     String implName = '_${name}Impl';
@@ skipping 123 matching lines @@
       return token.lexeme.split('\n').map((String line) {
         if (line.startsWith(indent)) {
           line = line.substring(indent.length);
         }
         return line;
       }).join('\n');
     }
     return null;
   }
 }