DevFS initial implementation

runtime/vm/json_stream.h

 // Copyright (c) 2013, 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_JSON_STREAM_H_
 #define VM_JSON_STREAM_H_
 
 #include "include/dart_api.h"  // for Dart_Port
 #include "platform/text_buffer.h"
 #include "vm/allocation.h"
@@ skipping 35 matching lines @@
   kInternalError  = -32603,
 
   kExtensionError = -32000,
 
   kFeatureDisabled           = 100,
   kCannotAddBreakpoint       = 102,
   kStreamAlreadySubscribed   = 103,
   kStreamNotSubscribed       = 104,
   kIsolateMustBeRunnable     = 105,
   kIsolateMustBePaused       = 106,
-  kIsolateIsReloading        = 107,
+
+  // Experimental (used in private rpcs).
+  kIsolateIsReloading        = 1000,
+  kFileSystemAlreadyExists   = 1001,
+  kFileSystemDoesNotExist    = 1002,
+  kFileDoesNotExist          = 1003,
 };
 
 // Expected that user_data is a JSONStream*.
 void AppendJSONStreamConsumer(Dart_StreamConsumer_State state,
                               const char* stream_name,
                               const uint8_t* buffer,
                               intptr_t buffer_length,
                               void* user_data);
 
 class JSONStream : ValueObject {
  public:
   explicit JSONStream(intptr_t buf_size = 256);
   ~JSONStream();
 
   void Setup(Zone* zone,
              Dart_Port reply_port,
              const Instance& seq,
              const String& method,
              const Array& param_keys,
-             const Array& param_values);
+             const Array& param_values,
+             bool parameters_are_dart_objects = false);
   void SetupError();
 
   void PrintError(intptr_t code, const char* details_format, ...);
 
   void PostReply();
 
   void set_id_zone(ServiceIdZone* id_zone) {
     id_zone_ = id_zone;
   }
   ServiceIdZone* id_zone() {
     return id_zone_;
   }
 
   TextBuffer* buffer() { return &buffer_; }
   const char* ToCString() { return buffer_.buf(); }
 
   void Steal(const char** buffer, intptr_t* buffer_length);
 
   void set_reply_port(Dart_Port port);
 
   void SetParams(const char** param_keys, const char** param_values,
                  intptr_t num_params);
 
   Dart_Port reply_port() const { return reply_port_; }
 
+  intptr_t NumObjectParameters() const;
+  RawObject* GetObjectParameterKey(intptr_t i) const;
+  RawObject* GetObjectParameterValue(intptr_t i) const;
+  RawObject* LookupObjectParam(const char* key) const;
+
   intptr_t num_params() const { return num_params_; }
   const char* GetParamKey(intptr_t i) const {
     return param_keys_[i];
   }
   const char* GetParamValue(intptr_t i) const {
     return param_values_[i];
   }
 
   const char* LookupParam(const char* key) const;
 
@@ skipping 108 matching lines @@
   // Debug only fatal assertion.
   static void EnsureIntegerIsRepresentableInJavaScript(int64_t i);
 
   intptr_t open_objects_;
   TextBuffer buffer_;
   // Default service id zone.
   RingServiceIdZone default_id_zone_;
   ServiceIdZone* id_zone_;
   Dart_Port reply_port_;
   Instance* seq_;
+  Array* parameter_keys_;
+  Array* parameter_values_;
   const char* method_;
   const char** param_keys_;
   const char** param_values_;
   intptr_t num_params_;
   intptr_t offset_;
   intptr_t count_;
   int64_t setup_time_micros_;
 
   friend class JSONObject;
   friend class JSONArray;
@@ skipping 173 matching lines @@
 
   friend class JSONObject;
 
   DISALLOW_ALLOCATION();
   DISALLOW_COPY_AND_ASSIGN(JSONArray);
 };
 
 }  // namespace dart
 
 #endif  // VM_JSON_STREAM_H_