Introduce is_debuggable state bit on function objects

runtime/vm/object.cc

 // Copyright (c) 2012, 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/object.h"
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "vm/assembler.h"
 #include "vm/cpu.h"
@@ skipping 2651 matching lines @@
     invocation.SetParameterNameAt(i, String::Handle(Symbols::New(name)));
   }
 
   // Named parameters.
   for (; i < desc.Count(); i++) {
     invocation.SetParameterTypeAt(i, Type::Handle(Type::DynamicType()));
     intptr_t index = i - desc.PositionalCount();
     invocation.SetParameterNameAt(i, String::Handle(desc.NameAt(index)));
   }
   invocation.set_result_type(Type::Handle(Type::DynamicType()));
+  invocation.set_is_debuggable(false);
   invocation.set_is_visible(false);  // Not visible in stack trace.
   invocation.set_saved_args_desc(args_desc);
 
   return invocation.raw();
 }
 
 
 RawArray* Class::invocation_dispatcher_cache() const {
   return raw_ptr()->invocation_dispatcher_cache_;
 }
@@ skipping 3508 matching lines @@
   result.set_name(name);
   result.set_kind(kind);
   result.set_recognized_kind(MethodRecognizer::kUnknown);
   result.set_modifier(RawFunction::kNoModifier);
   result.set_is_static(is_static);
   result.set_is_const(is_const);
   result.set_is_abstract(is_abstract);
   result.set_is_external(is_external);
   result.set_is_native(is_native);
   result.set_is_visible(true);  // Will be computed later.
+  result.set_is_debuggable(true);  // Will be computed later.
   result.set_is_intrinsic(false);
   result.set_is_redirecting(false);
   result.set_is_async_closure(false);
   result.set_always_inline(false);
   result.set_is_polymorphic_target(false);
   result.set_owner(owner);
   result.set_token_pos(token_pos);
   result.set_end_token_pos(token_pos);
   result.set_num_fixed_parameters(0);
   result.set_num_optional_parameters(0);
   result.set_usage_counter(0);
   result.set_deoptimization_counter(0);
   result.set_regexp_cid(kIllegalCid);
   result.set_optimized_instruction_count(0);
   result.set_optimized_call_site_count(0);
   result.set_is_optimizable(is_native ? false : true);
   result.set_is_inlinable(true);
   result.set_allows_hoisting_check_class(true);
   result.set_allows_bounds_check_generalization(true);
   StubCode* stub_code = Isolate::Current()->stub_code();
   result.SetInstructions(Code::Handle(stub_code->LazyCompile_entry()->code()));
   if (kind == RawFunction::kClosureFunction) {
     const ClosureData& data = ClosureData::Handle(ClosureData::New());
     result.set_data(data);
   }
-
   return result.raw();
 }
 
 
 RawFunction* Function::Clone(const Class& new_owner) const {
   ASSERT(!IsConstructor());
   Function& clone = Function::Handle();
   clone ^= Object::Clone(*this, Heap::kOld);
   const Class& origin = Class::Handle(this->origin());
   const PatchClass& clone_owner =
@@ skipping 54 matching lines @@
       Function::New(String::Handle(Symbols::New(":Eval")),
                     RawFunction::kRegularFunction,
                     is_static,
                     /* is_const = */ false,
                     /* is_abstract = */ false,
                     /* is_external = */ false,
                     /* is_native = */ false,
                     owner,
                     0));
   ASSERT(!script.IsNull());
+  result.set_is_debuggable(false);
   result.set_eval_script(script);
   return result.raw();
 }
 
 RawFunction* Function::ImplicitClosureFunction() const {
   // Return the existing implicit closure function if any.
   if (implicit_closure_function() != Function::null()) {
     return implicit_closure_function();
   }
   ASSERT(!IsSignatureFunction() && !IsClosureFunction());
@@ skipping 14320 matching lines @@
   return tag_label.ToCString();
 }
 
 
 void UserTag::PrintJSONImpl(JSONStream* stream, bool ref) const {
   Instance::PrintJSONImpl(stream, ref);
 }
 
 
 }  // namespace dart