Hook up simulator (if needed) when calling Dart code.

runtime/vm/dart_entry.cc

 // Copyright (c) 2011, 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.
 
 #include "vm/dart_entry.h"
 
 #include "vm/code_generator.h"
 #include "vm/compiler.h"
 #include "vm/object_store.h"
 #include "vm/resolver.h"
+#include "vm/simulator.h"
 #include "vm/stub_code.h"
 #include "vm/symbols.h"
 
 namespace dart {
 
 // A cache of VM heap allocated arguments descriptors.
 RawArray* ArgumentsDescriptor::cached_args_descriptors_[kCachedDescriptorCount];
 
 
-RawObject* DartEntry::InvokeDynamic(const Function& function,
-                                    const Array& arguments) {
-  const Array& arg_desc =
+RawObject* DartEntry::InvokeFunction(const Function& function,
+                                     const Array& arguments) {
+  const Array& arguments_descriptor =
       Array::Handle(ArgumentsDescriptor::New(arguments.Length()));
-  return InvokeDynamic(function, arguments, arg_desc);
+  return InvokeFunction(function, arguments, arguments_descriptor);
 }
 
 
-RawObject* DartEntry::InvokeDynamic(const Function& function,
-                                    const Array& arguments,
-                                    const Array& arguments_descriptor) {
+RawObject* DartEntry::InvokeFunction(const Function& function,
+                                     const Array& arguments,
+                                     const Array& arguments_descriptor) {
+  const Context& context =
+      Context::ZoneHandle(Isolate::Current()->object_store()->empty_context());
+  ASSERT(context.isolate() == Isolate::Current());
+  return InvokeFunction(function, arguments, arguments_descriptor, context);
+}
+
+
+RawObject* DartEntry::InvokeFunction(const Function& function,
+                                     const Array& arguments,
+                                     const Array& arguments_descriptor,
+                                     const Context& context) {
   // Get the entrypoint corresponding to the function specified, this
   // will result in a compilation of the function if it is not already
   // compiled.
   if (!function.HasCode()) {
     const Error& error = Error::Handle(Compiler::CompileFunction(function));
     if (!error.IsNull()) {
-      return error.raw();
-    }
-  }
-
-  // Now Call the invoke stub which will invoke the dart function.
-  invokestub entrypoint = reinterpret_cast<invokestub>(
-      StubCode::InvokeDartCodeEntryPoint());
-  const Context& context =
-      Context::ZoneHandle(Isolate::Current()->object_store()->empty_context());
-  ASSERT(context.isolate() == Isolate::Current());
-  const Code& code = Code::Handle(function.CurrentCode());
-  ASSERT(!code.IsNull());
-  ASSERT(Isolate::Current()->no_callback_scope_depth() == 0);
-  return entrypoint(code.EntryPoint(),
-                    arguments_descriptor,
-                    arguments,
-                    context);
-}
-
-
-RawObject* DartEntry::InvokeStatic(const Function& function,
-                                   const Array& arguments) {
-  const Array& arguments_descriptor =
-      Array::Handle(ArgumentsDescriptor::New(arguments.Length()));
-  return InvokeStatic(function, arguments, arguments_descriptor);
-}
-
-
-RawObject* DartEntry::InvokeStatic(const Function& function,
-                                   const Array& arguments,
-                                   const Array& arguments_descriptor) {
-  // Get the entrypoint corresponding to the function specified, this
-  // will result in a compilation of the function if it is not already
-  // compiled.
-  ASSERT(!function.IsNull());
-  if (!function.HasCode()) {
-    const Error& error = Error::Handle(Compiler::CompileFunction(function));
-    if (!error.IsNull()) {
       return error.raw();
     }
   }
   // Now Call the invoke stub which will invoke the dart function.
   invokestub entrypoint = reinterpret_cast<invokestub>(
       StubCode::InvokeDartCodeEntryPoint());
-  const Context& context =
-      Context::ZoneHandle(Isolate::Current()->object_store()->empty_context());
-  ASSERT(context.isolate() == Isolate::Current());
   const Code& code = Code::Handle(function.CurrentCode());
   ASSERT(!code.IsNull());
   ASSERT(Isolate::Current()->no_callback_scope_depth() == 0);
-  return entrypoint(code.EntryPoint(),
-                    arguments_descriptor,
-                    arguments,
-                    context);
+#ifdef USING_SIMULATOR
+    return bit_copy<RawObject*, int64_t>(Simulator::Current()->Call(
+        reinterpret_cast<int32_t>(entrypoint),
+        static_cast<int32_t>(code.EntryPoint()),
+        reinterpret_cast<int32_t>(&arguments_descriptor),
+        reinterpret_cast<int32_t>(&arguments),
+        reinterpret_cast<int32_t>(&context),
+        0));
+#else
+    return entrypoint(code.EntryPoint(),
+                      arguments_descriptor,
+                      arguments,
+                      context);
+#endif
 }
 
 
-RawObject* DartEntry::InvokeClosure(const Instance& closure,
-                                    const Array& arguments) {
+RawObject* DartEntry::InvokeClosure(const Array& arguments) {
   const Array& arguments_descriptor =
       Array::Handle(ArgumentsDescriptor::New(arguments.Length()));
-  return InvokeClosure(closure, arguments, arguments_descriptor);
+  return InvokeClosure(arguments, arguments_descriptor);
 }
 
 
-RawObject* DartEntry::InvokeClosure(const Instance& instance,
-                                    const Array& arguments,
+RawObject* DartEntry::InvokeClosure(const Array& arguments,
                                     const Array& arguments_descriptor) {
-  ASSERT(instance.raw() == arguments.At(0));
+  Instance& instance = Instance::Handle();
+  instance ^= arguments.At(0);
   // Get the entrypoint corresponding to the closure function or to the call
   // method of the instance. This will result in a compilation of the function
   // if it is not already compiled.
   Function& function = Function::Handle();
   Context& context = Context::Handle();
   if (instance.IsCallable(&function, &context)) {
     // Only invoke the function if its arguments are compatible.
     const ArgumentsDescriptor args_desc(arguments_descriptor);
     if (function.AreValidArgumentCounts(args_desc.Count(),
                                         args_desc.NamedCount(),
                                         NULL)) {
-      if (!function.HasCode()) {
-        const Error& error = Error::Handle(Compiler::CompileFunction(function));
-        if (!error.IsNull()) {
-          return error.raw();
-        }
-      }
-      // Now call the invoke stub which will invoke the closure function or
-      // 'call' function.
       // The closure or non-closure object (receiver) is passed as implicit
       // first argument. It is already included in the arguments array.
-      invokestub entrypoint = reinterpret_cast<invokestub>(
-          StubCode::InvokeDartCodeEntryPoint());
-      ASSERT(context.isolate() == Isolate::Current());
-      const Code& code = Code::Handle(function.CurrentCode());
-      ASSERT(!code.IsNull());
-      ASSERT(Isolate::Current()->no_callback_scope_depth() == 0);
-      return entrypoint(code.EntryPoint(),
-                        arguments_descriptor,
-                        arguments,
-                        context);
+      return InvokeFunction(function, arguments, arguments_descriptor, context);
     }
   }
   // There is no compatible 'call' method, so invoke noSuchMethod.
   return InvokeNoSuchMethod(instance,
                             Symbols::Call(),
                             arguments,
                             arguments_descriptor);
 }
 
 
@@ skipping 15 matching lines @@
       Resolver::ResolveStaticByName(invocation_mirror_class,
                                     function_name,
                                     Resolver::kIsQualified));
   ASSERT(!allocation_function.IsNull());
   const int kNumAllocationArgs = 3;
   const Array& allocation_args = Array::Handle(Array::New(kNumAllocationArgs));
   allocation_args.SetAt(0, target_name);
   allocation_args.SetAt(1, arguments_descriptor);
   allocation_args.SetAt(2, arguments);
   const Object& invocation_mirror = Object::Handle(
-      InvokeStatic(allocation_function, allocation_args));
+      InvokeFunction(allocation_function, allocation_args));
 
   // Now use the invocation mirror object and invoke NoSuchMethod.
   const int kNumArguments = 2;
   const int kNumNamedArguments = 0;
   const Function& function = Function::Handle(
       Resolver::ResolveDynamic(receiver,
                                Symbols::NoSuchMethod(),
                                kNumArguments,
                                kNumNamedArguments));
   ASSERT(!function.IsNull());
   const Array& args = Array::Handle(Array::New(kNumArguments));
   args.SetAt(0, receiver);
   args.SetAt(1, invocation_mirror);
-  return InvokeDynamic(function, args);
+  return InvokeFunction(function, args);
 }
 
 
 ArgumentsDescriptor::ArgumentsDescriptor(const Array& array)
     : array_(array) {
 }
 
 
 intptr_t ArgumentsDescriptor::Count() const {
   return Smi::CheckedHandle(array_.At(kCountIndex)).Value();
@@ skipping 146 matching lines @@
     obj = arguments.At(i);
     constructor_arguments.SetAt((i + kNumExtraArgs), obj);
   }
 
   const String& function_name = String::Handle(
       String::Concat(class_name, constructor_name));
   const Function& constructor =
       Function::Handle(cls.LookupConstructorAllowPrivate(function_name));
   ASSERT(!constructor.IsNull());
   const Object& retval =
-    Object::Handle(DartEntry::InvokeStatic(constructor, constructor_arguments));
+    Object::Handle(DartEntry::InvokeFunction(constructor,
+                                             constructor_arguments));
   ASSERT(retval.IsNull() || retval.IsError());
   if (retval.IsError()) {
     return retval.raw();
   }
   return exception_object.raw();
 }
 
 
 RawObject* DartLibraryCalls::ToString(const Instance& receiver) {
   const int kNumArguments = 1;  // Receiver.
   const int kNumNamedArguments = 0;  // None.
   const Function& function = Function::Handle(
       Resolver::ResolveDynamic(receiver,
                                Symbols::toString(),
                                kNumArguments,
                                kNumNamedArguments));
   ASSERT(!function.IsNull());
   const Array& args = Array::Handle(Array::New(kNumArguments));
   args.SetAt(0, receiver);
-  const Object& result = Object::Handle(DartEntry::InvokeDynamic(function,
-                                                                 args));
+  const Object& result = Object::Handle(DartEntry::InvokeFunction(function,
+                                                                  args));
   ASSERT(result.IsInstance() || result.IsError());
   return result.raw();
 }
 
 
 RawObject* DartLibraryCalls::Equals(const Instance& left,
                                     const Instance& right) {
   const int kNumArguments = 2;
   const int kNumNamedArguments = 0;
   const Function& function = Function::Handle(
       Resolver::ResolveDynamic(left,
                                Symbols::EqualOperator(),
                                kNumArguments,
                                kNumNamedArguments));
   ASSERT(!function.IsNull());
 
   const Array& args = Array::Handle(Array::New(kNumArguments));
   args.SetAt(0, left);
   args.SetAt(1, right);
-  const Object& result = Object::Handle(DartEntry::InvokeDynamic(function,
-                                                                 args));
+  const Object& result = Object::Handle(DartEntry::InvokeFunction(function,
+                                                                  args));
   ASSERT(result.IsInstance() || result.IsError());
   return result.raw();
 }
 
 
 RawObject* DartLibraryCalls::LookupReceivePort(Dart_Port port_id) {
   Isolate* isolate = Isolate::Current();
   Function& function =
       Function::Handle(isolate,
                        isolate->object_store()->lookup_receive_port_function());
   const int kNumArguments = 1;
   if (function.IsNull()) {
     Library& isolate_lib = Library::Handle(Library::IsolateLibrary());
     ASSERT(!isolate_lib.IsNull());
     const String& class_name =
         String::Handle(isolate_lib.PrivateName(Symbols::_ReceivePortImpl()));
     const String& function_name =
         String::Handle(isolate_lib.PrivateName(Symbols::_lookupReceivePort()));
     function = Resolver::ResolveStatic(isolate_lib,
                                        class_name,
                                        function_name,
                                        kNumArguments,
                                        Object::empty_array(),
                                        Resolver::kIsQualified);
     isolate->object_store()->set_lookup_receive_port_function(function);
   }
   const Array& args = Array::Handle(Array::New(kNumArguments));
   args.SetAt(0, Integer::Handle(Integer::New(port_id)));
   const Object& result =
-      Object::Handle(DartEntry::InvokeStatic(function, args));
+      Object::Handle(DartEntry::InvokeFunction(function, args));
   return result.raw();
 }
 
 
 RawObject* DartLibraryCalls::HandleMessage(const Object& receive_port,
                                            Dart_Port reply_port_id,
                                            const Instance& message) {
   Isolate* isolate = Isolate::Current();
   Function& function =
       Function::Handle(isolate,
@@ skipping 12 matching lines @@
                                        kNumArguments,
                                        Object::empty_array(),
                                        Resolver::kIsQualified);
     isolate->object_store()->set_handle_message_function(function);
   }
   const Array& args = Array::Handle(isolate, Array::New(kNumArguments));
   args.SetAt(0, receive_port);
   args.SetAt(1, Integer::Handle(isolate, Integer::New(reply_port_id)));
   args.SetAt(2, message);
   const Object& result =
-      Object::Handle(isolate, DartEntry::InvokeStatic(function, args));
+      Object::Handle(isolate, DartEntry::InvokeFunction(function, args));
   ASSERT(result.IsNull() || result.IsError());
   return result.raw();
 }
 
 
 RawObject* DartLibraryCalls::NewSendPort(intptr_t port_id) {
   Library& isolate_lib = Library::Handle(Library::IsolateLibrary());
   ASSERT(!isolate_lib.IsNull());
   const String& class_name =
       String::Handle(isolate_lib.PrivateName(Symbols::_SendPortImpl()));
   const int kNumArguments = 1;
   const String& function_name =
       String::Handle(isolate_lib.PrivateName(Symbols::_create()));
   const Function& function = Function::Handle(
       Resolver::ResolveStatic(isolate_lib,
                               class_name,
                               function_name,
                               kNumArguments,
                               Object::empty_array(),
                               Resolver::kIsQualified));
   const Array& args = Array::Handle(Array::New(kNumArguments));
   args.SetAt(0, Integer::Handle(Integer::New(port_id)));
-  return DartEntry::InvokeStatic(function, args);
+  return DartEntry::InvokeFunction(function, args);
 }
 
 
 RawObject* DartLibraryCalls::MapSetAt(const Instance& map,
                                       const Instance& key,
                                       const Instance& value) {
   const int kNumArguments = 3;
   const Function& function = Function::Handle(
       Resolver::ResolveDynamic(map,
                                Symbols::AssignIndexToken(),
                                kNumArguments,
                                0));
   ASSERT(!function.IsNull());
   const Array& args = Array::Handle(Array::New(kNumArguments));
   args.SetAt(0, map);
   args.SetAt(1, key);
   args.SetAt(2, value);
-  const Object& result = Object::Handle(DartEntry::InvokeDynamic(function,
-                                                                 args));
+  const Object& result = Object::Handle(DartEntry::InvokeFunction(function,
+                                                                  args));
   return result.raw();
 }
 
 
 RawObject* DartLibraryCalls::PortGetId(const Instance& port) {
   const Class& cls = Class::Handle(port.clazz());
   const Library& isolate_lib = Library::Handle(Library::IsolateLibrary());
   const String& func_name =
       String::Handle(isolate_lib.PrivateName(
           String::Handle(Field::GetterName(Symbols::_id()))));
   const Function& func = Function::Handle(cls.LookupDynamicFunction(func_name));
   ASSERT(!func.IsNull());
   const Array& args = Array::Handle(Array::New(1));
   args.SetAt(0, port);
-  return DartEntry::InvokeDynamic(func, args);
+  return DartEntry::InvokeFunction(func, args);
 }
 
 
 }  // namespace dart