Remove some "namespace" classes from C++ Kernel

runtime/vm/kernel.h

 // Copyright (c) 2016, 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.
 
 #ifndef RUNTIME_VM_KERNEL_H_
 #define RUNTIME_VM_KERNEL_H_
 
 #if !defined(DART_PRECOMPILED_RUNTIME)
 #include "platform/assert.h"
 #include "vm/allocation.h"
@@ skipping 26 matching lines @@
  public:
   NameIndex() : value_(-1) {}
   explicit NameIndex(int value) : value_(value) {}
 
   operator int() const { return value_; }
 
  private:
   int value_;
 };
 
-class Field {
- public:
-  enum Flags {
-    kFlagFinal = 1 << 0,
-    kFlagConst = 1 << 1,
-    kFlagStatic = 1 << 2,
-  };
-};
+const uint8_t kNativeYieldFlags = 0x2;
 
-class Constructor {
- public:
-  enum Flags {
-    kFlagConst = 1 << 0,
-    kFlagExternal = 1 << 1,
-  };
-};
-
-class Procedure {
- public:
-  enum Flags {
-    kFlagStatic = 1 << 0,
-    kFlagAbstract = 1 << 1,
-    kFlagExternal = 1 << 2,
-    kFlagConst = 1 << 3,  // Only for external const factories.
-  };
-
-  // Keep in sync with package:dynamo/lib/ast.dart:ProcedureKind
-  enum ProcedureKind {
-    kMethod,
-    kGetter,
-    kSetter,
-    kOperator,
-    kFactory,
-
-    kIncompleteProcedure = 255
-  };
-};
-
-class FunctionNode {
- public:
-  enum AsyncMarker {
-    kSync = 0,
-    kSyncStar = 1,
-    kAsync = 2,
-    kAsyncStar = 3,
-    kSyncYielding = 4,
-  };
-};
-
-class VariableDeclaration {
- public:
-  enum Flags {
-    kFlagFinal = 1 << 0,
-    kFlagConst = 1 << 1,
-  };
-};
-
-class YieldStatement {
- public:
-  enum {
-    kFlagYieldStar = 1 << 0,
-    kFlagNative = 1 << 1,
-  };
-};
-
-class LogicalExpression {
- public:
-  enum Operator { kAnd, kOr };
-};
+enum LogicalOperator { kAnd, kOr };
 
 class Program {
  public:
   ~Program() {
     free(const_cast<uint8_t*>(kernel_data_));
     kernel_data_ = NULL;
   }
 
   static Program* ReadFrom(Reader* reader);
 
@@ skipping 27 matching lines @@
 
 }  // namespace kernel
 
 kernel::Program* ReadPrecompiledKernelFromBuffer(const uint8_t* buffer,
                                                  intptr_t buffer_length);
 
 }  // namespace dart
 
 #endif  // !defined(DART_PRECOMPILED_RUNTIME)
 #endif  // RUNTIME_VM_KERNEL_H_