debug: cache SharedFunctionInfo for multi-bp set

src/runtime/runtime-debug.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/v8.h"
 
 #include "src/accessors.h"
 #include "src/arguments.h"
 #include "src/compiler.h"
 #include "src/debug.h"
@@ skipping 1990 matching lines @@
   // Set break point.
   if (!isolate->debug()->SetBreakPointForScript(script, break_point_object_arg,
                                                 &source_position, alignment)) {
     return isolate->heap()->undefined_value();
   }
 
   return Smi::FromInt(source_position);
 }
 
 
+// Collect all shared infos for a script
+// args[0]: script to set break point in
+RUNTIME_FUNCTION(Runtime_CollectSharedFunctionInfoInScript) {
+  HandleScope scope(isolate);
+  DCHECK(args.length() == 1);
+  CONVERT_ARG_HANDLE_CHECKED(JSValue, wrapper, 0);
+
+  // Get the script from the script wrapper.
+  RUNTIME_ASSERT(wrapper->value()->IsScript());
+  Handle<Script> script(Script::cast(wrapper->value()));
+
+  isolate->debug()->CollectSharedFunctionInfoInScript(script);
+
+  return isolate->heap()->undefined_value();
+}
+
+
 // Clear a break point
 // args[0]: number: break point object
 RUNTIME_FUNCTION(Runtime_ClearBreakPoint) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 1);
   CONVERT_ARG_HANDLE_CHECKED(Object, break_point_object_arg, 0);
 
   // Clear break point.
   isolate->debug()->ClearBreakPoint(break_point_object_arg);
 
@@ skipping 815 matching lines @@
   return Smi::FromInt(isolate->debug()->is_active());
 }
 
 
 RUNTIME_FUNCTION(Runtime_DebugBreakInOptimizedCode) {
   UNIMPLEMENTED();
   return NULL;
 }
 }
 }  // namespace v8::internal