Add kernel_offset to all expressions; Make KernelConstMapKeyEqualsTraits use kernel_offset

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 416 matching lines @@
 
 
 class TreeNode : public Node {
  public:
   virtual ~TreeNode();
 
   DEFINE_CASTING_OPERATIONS(TreeNode);
 
   virtual void AcceptVisitor(Visitor* visitor);
   virtual void AcceptTreeVisitor(TreeVisitor* visitor) = 0;
-  intptr_t kernel_offset() { return kernel_offset_; }
+  intptr_t kernel_offset() const { return kernel_offset_; }
 
  protected:
   TreeNode() : kernel_offset_(-1) {}
 
   // Offset for this node in the kernel-binary. If this node has a tag the
   // offset includes the tag. Can be -1 to indicate "unknown" or invalid offset.
   intptr_t kernel_offset_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(TreeNode);
@@ skipping 893 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(DirectMethodInvocation);
 };
 
 
 class StaticInvocation : public Expression {
  public:
   static StaticInvocation* ReadFrom(Reader* reader, bool is_const);
   ~StaticInvocation();
 
+  DEFINE_CASTING_OPERATIONS(StaticInvocation);
+
   virtual void AcceptExpressionVisitor(ExpressionVisitor* visitor);
   virtual void VisitChildren(Visitor* visitor);
 
   Procedure* procedure() { return procedure_reference_->AsProcedure(); }
   Arguments* arguments() { return arguments_; }
   bool is_const() { return is_const_; }
 
  private:
   StaticInvocation() {}
 
@@ skipping 1831 matching lines @@
 
 kernel::Program* ReadPrecompiledKernelFromBuffer(const uint8_t* buffer,
                                                  intptr_t buffer_length);
 
 
 
 }  // namespace dart
 
 #endif  // !defined(DART_PRECOMPILED_RUNTIME)
 #endif  // RUNTIME_VM_KERNEL_H_