[kernel] Stream kernel_reader

runtime/vm/kernel_binary.cc

 // 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.
 #if !defined(DART_PRECOMPILED_RUNTIME)
 
 #include "vm/kernel_binary.h"
 #include "platform/globals.h"
 #include "vm/flags.h"
 #include "vm/growable_array.h"
 #include "vm/kernel.h"
@@ skipping 156 matching lines @@
     sources_[i].source_code_ = string_buffer;
     sources_[i].source_code_size_ = length;
     sources_[i].line_starts_ = line_starts;
     sources_[i].line_count_ = line_count;
   }
 }
 
 
 Library* Library::ReadFrom(Reader* reader) {
   TRACE_READ_OFFSET();
+  kernel_offset_ = reader->offset();  // no tag.
   int flags = reader->ReadFlags();
   ASSERT(flags == 0);  // external libraries not supported
   kernel_data_ = reader->buffer();
   kernel_data_size_ = reader->size();
 
   canonical_name_ = reader->ReadCanonicalNameReference();
   name_index_ = StringIndex(reader->ReadUInt());
   import_uri_index_ = reader->CanonicalNameString(canonical_name_);
   source_uri_index_ = reader->ReadUInt();
   reader->set_current_script_id(source_uri_index_);
@@ skipping 1412 matching lines @@
   type->return_type_ = DartType::ReadFrom(reader);
   return type;
 }
 
 
 TypeParameterType* TypeParameterType::ReadFrom(Reader* reader) {
   TRACE_READ_OFFSET();
   TypeParameterType* type = new TypeParameterType();
   type->parameter_ =
       reader->helper()->type_parameters().Lookup(reader->ReadUInt());
-  reader->ReadUInt();  // binary offset of parameter
+  reader->ReadUInt();  // binary offset of parameter list
+  reader->ReadUInt();  // index of parameter
   // There is an optional promoted bound, currently ignored.
   delete reader->ReadOptional<DartType>();
   return type;
 }
 
 
 VectorType* VectorType::ReadFrom(Reader* reader) {
   TRACE_READ_OFFSET();
   VectorType* type = new VectorType();
   return type;
@@ skipping 97 matching lines @@
 
 kernel::Program* ReadPrecompiledKernelFromBuffer(const uint8_t* buffer,
                                                  intptr_t buffer_length) {
   kernel::Reader reader(buffer, buffer_length);
   return kernel::Program::ReadFrom(&reader);
 }
 
 
 }  // namespace dart
 #endif  // !defined(DART_PRECOMPILED_RUNTIME)