Map v8::Function to JSReceiver + IsCallable

src/execution.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/execution.h"
 
 #include "src/bootstrapper.h"
 #include "src/codegen.h"
 #include "src/deoptimizer.h"
 #include "src/isolate-inl.h"
@@ skipping 167 matching lines @@
 
 // static
 MaybeHandle<Object> Execution::New(Isolate* isolate, Handle<Object> constructor,
                                    Handle<Object> new_target, int argc,
                                    Handle<Object> argv[]) {
   return Invoke(isolate, true, constructor,
                 isolate->factory()->undefined_value(), argc, argv, new_target);
 }
 
 
-MaybeHandle<Object> Execution::TryCall(Handle<JSFunction> func,
+MaybeHandle<Object> Execution::TryCall(Isolate* isolate,
+                                       Handle<Object> callable,
                                        Handle<Object> receiver, int argc,
                                        Handle<Object> args[],
                                        MaybeHandle<Object>* exception_out) {
   bool is_termination = false;
-  Isolate* isolate = func->GetIsolate();
   MaybeHandle<Object> maybe_result;
   if (exception_out != NULL) *exception_out = MaybeHandle<Object>();
   // Enter a try-block while executing the JavaScript code. To avoid
   // duplicate error printing it must be non-verbose.  Also, to avoid
   // creating message objects during stack overflow we shouldn't
   // capture messages.
   {
     v8::TryCatch catcher(reinterpret_cast<v8::Isolate*>(isolate));
     catcher.SetVerbose(false);
     catcher.SetCaptureMessage(false);
 
-    maybe_result = Call(isolate, func, receiver, argc, args);
+    maybe_result = Call(isolate, callable, receiver, argc, args);
 
     if (maybe_result.is_null()) {
       DCHECK(catcher.HasCaught());
       DCHECK(isolate->has_pending_exception());
       DCHECK(isolate->external_caught_exception());
       if (isolate->pending_exception() ==
           isolate->heap()->termination_exception()) {
         is_termination = true;
       } else {
         if (exception_out != NULL) {
@@ skipping 255 matching lines @@
 }
 
 
 Handle<String> Execution::GetStackTraceLine(Handle<Object> recv,
                                             Handle<JSFunction> fun,
                                             Handle<Object> pos,
                                             Handle<Object> is_global) {
   Isolate* isolate = fun->GetIsolate();
   Handle<Object> args[] = { recv, fun, pos, is_global };
   MaybeHandle<Object> maybe_result =
-      TryCall(isolate->get_stack_trace_line_fun(),
+      TryCall(isolate, isolate->get_stack_trace_line_fun(),
               isolate->factory()->undefined_value(), arraysize(args), args);
   Handle<Object> result;
   if (!maybe_result.ToHandle(&result) || !result->IsString()) {
     return isolate->factory()->empty_string();
   }
 
   return Handle<String>::cast(result);
 }
 
 
@@ skipping 33 matching lines @@
 
   isolate_->counters()->stack_interrupts()->Increment();
   isolate_->counters()->runtime_profiler_ticks()->Increment();
   isolate_->runtime_profiler()->OptimizeNow();
 
   return isolate_->heap()->undefined_value();
 }
 
 }  // namespace internal
 }  // namespace v8