Remove many features when building product mode

runtime/vm/code_generator.cc

 // Copyright (c) 2013, 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/code_generator.h"
 
 #include "vm/assembler.h"
 #include "vm/ast.h"
 #include "vm/code_patcher.h"
 #include "vm/compiler.h"
@@ skipping 687 matching lines @@
 static void CheckResultError(const Object& result) {
   if (result.IsError()) {
     Exceptions::PropagateError(Error::Cast(result));
   }
 }
 
 
 // Gets called from debug stub when code reaches a breakpoint
 // set on a runtime stub call.
 DEFINE_RUNTIME_ENTRY(BreakpointRuntimeHandler, 0) {
+  if (!FLAG_support_debugger) {
+    UNREACHABLE();
+  }
   DartFrameIterator iterator;
   StackFrame* caller_frame = iterator.NextFrame();
   ASSERT(caller_frame != NULL);
   const Code& orig_stub = Code::Handle(
       isolate->debugger()->GetPatchedStubAddress(caller_frame->pc()));
   const Error& error = Error::Handle(isolate->debugger()->SignalBpReached());
   if (!error.IsNull()) {
     Exceptions::PropagateError(error);
     UNREACHABLE();
   }
   arguments.SetReturn(orig_stub);
 }
 
 
 DEFINE_RUNTIME_ENTRY(SingleStepHandler, 0) {
+  if (!FLAG_support_debugger) {
+    UNREACHABLE();
+  }
   const Error& error =
       Error::Handle(isolate->debugger()->DebuggerStepCallback());
   if (!error.IsNull()) {
     Exceptions::PropagateError(error);
     UNREACHABLE();
   }
 }
 
 
 // An instance call of the form o.f(...) could not be resolved.  Check if
@@ skipping 502 matching lines @@
       DartEntry::InvokeNoSuchMethod(receiver,
                                     original_function_name,
                                     orig_arguments,
                                     orig_arguments_desc));
   CheckResultError(result);
   arguments.SetReturn(result);
 }
 
 
 static bool CanOptimizeFunction(const Function& function, Thread* thread) {
-  Isolate* isolate = thread->isolate();
-  if (isolate->debugger()->IsStepping() ||
-      isolate->debugger()->HasBreakpoint(function, thread->zone())) {
-    // We cannot set breakpoints and single step in optimized code,
-    // so do not optimize the function.
-    function.set_usage_counter(0);
-    return false;
+  if (FLAG_support_debugger) {
+    Isolate* isolate = thread->isolate();
+    if (isolate->debugger()->IsStepping() ||
+        isolate->debugger()->HasBreakpoint(function, thread->zone())) {
+      // We cannot set breakpoints and single step in optimized code,
+      // so do not optimize the function.
+      function.set_usage_counter(0);
+      return false;
+    }
   }
   if (function.deoptimization_counter() >=
       FLAG_max_deoptimization_counter_threshold) {
     if (FLAG_trace_failed_optimization_attempts ||
         FLAG_stop_on_excessive_deoptimization) {
       THR_Print("Too many deoptimizations: %s\n",
           function.ToFullyQualifiedCString());
       if (FLAG_stop_on_excessive_deoptimization) {
         FATAL("Stop on excessive deoptimization");
       }
@@ skipping 102 matching lines @@
         strstr(function_name, FLAG_stacktrace_filter) != NULL) {
       OS::PrintErr("*** Computing stacktrace (%s)\n",
                    function.ToFullyQualifiedCString());
       do_stacktrace = true;
     }
   }
   if (do_deopt) {
     // TODO(turnidge): Consider using DeoptimizeAt instead.
     DeoptimizeFunctionsOnStack();
   }
-  if (do_stacktrace) {
+  if (FLAG_support_debugger && do_stacktrace) {
     String& var_name = String::Handle();
     Instance& var_value = Instance::Handle();
     DebuggerStackTrace* stack = isolate->debugger()->StackTrace();
     intptr_t num_frames = stack->Length();
     for (intptr_t i = 0; i < num_frames; i++) {
       ActivationFrame* frame = stack->FrameAt(i);
       // Variable locations and number are unknown when precompiling.
       const int num_vars =
          FLAG_precompilation ? 0 : frame->NumLocalVariables();
       TokenPosition unused = TokenPosition::kNoSource;
@@ skipping 503 matching lines @@
   const intptr_t elm_size = old_data.ElementSizeInBytes();
   const TypedData& new_data =
       TypedData::Handle(TypedData::New(cid, new_size, Heap::kOld));
   TypedData::Copy(new_data, 0, old_data, 0, old_size * elm_size);
   typed_data_cell.SetAt(0, new_data);
   arguments.SetReturn(new_data);
 }
 
 
 }  // namespace dart