Runtime support for evaluation of static field initializer expressions

runtime/vm/ast.h

 // Copyright (c) 2012, 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 VM_AST_H_
 #define VM_AST_H_
 
 #include "platform/assert.h"
 #include "vm/allocation.h"
 #include "vm/growable_array.h"
@@ skipping 25 matching lines @@
   V(ArgumentList)                                                              \
   V(Array)                                                                     \
   V(Closure)                                                                   \
   V(InstanceCall)                                                              \
   V(StaticCall)                                                                \
   V(ClosureCall)                                                               \
   V(CloneContext)                                                              \
   V(ConstructorCall)                                                           \
   V(InstanceGetter)                                                            \
   V(InstanceSetter)                                                            \
+  V(InitStaticField)                                                           \
   V(StaticGetter)                                                              \
   V(StaticSetter)                                                              \
   V(NativeBody)                                                                \
   V(Primary)                                                                   \
   V(LoadLocal)                                                                 \
   V(StoreLocal)                                                                \
   V(LoadInstanceField)                                                         \
   V(StoreInstanceField)                                                        \
   V(LoadStaticField)                                                           \
   V(StoreStaticField)                                                          \
@@ skipping 1349 matching lines @@
 
  private:
   AstNode* receiver_;
   const String& field_name_;
   AstNode* value_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(InstanceSetterNode);
 };
 
 
+class InitStaticFieldNode : public AstNode {
+ public:
+  InitStaticFieldNode(intptr_t token_pos, const Field& field)
+      : AstNode(token_pos), field_(field) {
+    ASSERT(field_.IsZoneHandle());
+  }
+
+  const Field& field() const { return field_; }
+
+  virtual void VisitChildren(AstNodeVisitor* visitor) const { }
+
+  DECLARE_COMMON_NODE_FUNCTIONS(InitStaticFieldNode);
+
+ private:
+  const Field& field_;
+
+  DISALLOW_COPY_AND_ASSIGN(InitStaticFieldNode);
+};
+
+
 class StaticGetterNode : public AstNode {
  public:
   StaticGetterNode(intptr_t token_pos,
                    AstNode* receiver,
                    bool is_super_getter,
                    const Class& cls,
                    const String& field_name)
       : AstNode(token_pos),
         receiver_(receiver),
         cls_(cls),
@@ skipping 402 matching lines @@
   const intptr_t try_index_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(InlinedFinallyNode);
 };
 
 }  // namespace dart
 
 #undef DECLARE_COMMON_NODE_FUNCTIONS
 
 #endif  // VM_AST_H_