Detect circular dependencies in compile time constants

runtime/vm/parser.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_PARSER_H_
 #define VM_PARSER_H_
 
 #include "include/dart_api.h"
 
 #include "lib/invocation_mirror.h"
@@ skipping 164 matching lines @@
   static void AddImplicitConstructor(const Class& cls);
 
  private:
   friend class EffectGraphVisitor;  // For BuildNoSuchMethodArguments.
 
   struct Block;
   class TryBlocks;
 
   Parser(const Script& script, const Library& library, intptr_t token_pos);
   Parser(const Script& script, ParsedFunction* function, intptr_t token_pos);
+  ~Parser();
 
   // The function for which we will generate code.
   const Function& current_function() const;
 
   // The innermost function being parsed.
   const Function& innermost_function() const;
 
   // Note that a local function may be parsed multiple times. It is first parsed
   // when its outermost enclosing function is being parsed. It is then parsed
   // again when an enclosing function calls this local function or calls
@@ skipping 118 matching lines @@
       PRINTF_ATTRIBUTE(3, 4);
 
   // Reports an already formatted error message.
   static void ErrorMsg(const Error& error);
 
   // Concatenates two error messages, the previous and the current one.
   void AppendErrorMsg(
       const Error& prev_error, intptr_t token_pos, const char* format, ...)
       PRINTF_ATTRIBUTE(4, 5);
 
+  void CheckRecursiveInvocation();
+
   const Instance& EvaluateConstExpr(AstNode* expr);
   AstNode* RunStaticFieldInitializer(const Field& field);
   RawObject* EvaluateConstConstructorCall(
       const Class& type_class,
       const AbstractTypeArguments& type_arguments,
       const Function& constructor,
       ArgumentListNode* arguments);
   AstNode* FoldConstExpr(intptr_t expr_pos, AstNode* expr);
 
   // Support for parsing of scripts.
@@ skipping 353 matching lines @@
 
   // List of try blocks seen so far, this is used to generate inlined finally
   // code at all points in the try block where an exit from the block is
   // done using 'return', 'break' or 'continue' statements.
   TryBlocks* try_blocks_list_;
 
   // Each try in this function gets its own try index.
   intptr_t AllocateTryIndex() { return ++last_used_try_index_; }
   intptr_t last_used_try_index_;
 
+  bool unregister_pending_function_;
+
   DISALLOW_COPY_AND_ASSIGN(Parser);
 };
 
 }  // namespace dart
 
 #endif  // VM_PARSER_H_