[inspector] cache stack frame for call sites

src/factory.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/factory.h"
 
 #include "src/accessors.h"
 #include "src/allocation-site-scopes.h"
 #include "src/ast/ast.h"
 #include "src/base/bits.h"
@@ skipping 2596 matching lines @@
 
 Handle<StackTraceInfo> Factory::NewStackTraceInfo(
     Handle<FixedArray> frames, StackTrace::StackTraceOptions options) {
   Handle<StackTraceInfo> stack_trace_info =
       Handle<StackTraceInfo>::cast(NewStruct(STACK_TRACE_INFO_TYPE));
   stack_trace_info->set_frames(*frames);
   stack_trace_info->set_options(options);
   return stack_trace_info;
 }
 
+Handle<SourcePositionTableWithFrameCache>
+Factory::NewSourcePositionTableWithFrameCache(
+    Handle<ByteArray> source_position_table,
+    Handle<UnseededNumberDictionary> stack_frame_cache) {
+  Handle<SourcePositionTableWithFrameCache>
+      source_position_table_with_frame_cache =
+          Handle<SourcePositionTableWithFrameCache>::cast(
+              NewStruct(SOURCE_POSITION_TABLE_WITH_FRAME_CACHE_TYPE));
+  source_position_table_with_frame_cache->set_source_position_table(
+      *source_position_table);
+  source_position_table_with_frame_cache->set_stack_frame_cache(
+      *stack_frame_cache);
+  return source_position_table_with_frame_cache;
+}
+
 Handle<JSObject> Factory::NewArgumentsObject(Handle<JSFunction> callee,
                                              int length) {
   bool strict_mode_callee = is_strict(callee->shared()->language_mode()) ||
                             !callee->shared()->has_simple_parameters();
   Handle<Map> map = strict_mode_callee ? isolate()->strict_arguments_map()
                                        : isolate()->sloppy_arguments_map();
   AllocationSiteUsageContext context(isolate(), Handle<AllocationSite>(),
                                      false);
   DCHECK(!isolate()->has_pending_exception());
   Handle<JSObject> result = NewJSObjectFromMap(map);
@@ skipping 286 matching lines @@
     Handle<AccessorInfo> prototype =
         Accessors::FunctionPrototypeInfo(isolate(), rw_attribs);
     Descriptor d = Descriptor::AccessorConstant(
         Handle<Name>(Name::cast(prototype->name())), prototype, rw_attribs);
     map->AppendDescriptor(&d);
   }
 }
 
 }  // namespace internal
 }  // namespace v8