tools/clang/blink_gc_plugin/tests/trace_after_dispatch_impl.cpp

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "trace_after_dispatch_impl.h"
   6
   7 namespace blink {
   8
   9 template <typename VisitorDispatcher>
  10 inline void TraceAfterDispatchInlinedBase::traceImpl(
  11     VisitorDispatcher visitor) {
  12   // Implement a simple form of manual dispatching, because BlinkGCPlugin
  13   // checks if the tracing is dispatched to all derived classes.
  14   //
  15   // This function has to be implemented out-of-line, since we need to know the
  16   // definition of derived classes here.
  17   if (tag_ == DERIVED) {
  18     static_cast<TraceAfterDispatchInlinedDerived*>(this)->traceAfterDispatch(
  19         visitor);
  20   } else {
  21     traceAfterDispatch(visitor);
  22   }
  23 }
  24
  25 void TraceAfterDispatchExternBase::trace(Visitor* visitor) {
  26   traceImpl(visitor);
  27 }
  28
  29 void TraceAfterDispatchExternBase::trace(InlinedGlobalMarkingVisitor visitor) {
  30   traceImpl(visitor);
  31 }
  32
  33 template <typename VisitorDispatcher>
  34 inline void TraceAfterDispatchExternBase::traceImpl(VisitorDispatcher visitor) {
  35   if (tag_ == DERIVED) {
  36     static_cast<TraceAfterDispatchExternDerived*>(this)->traceAfterDispatch(
  37         visitor);
  38   } else {
  39     traceAfterDispatch(visitor);
  40   }
  41 }
  42
  43 void TraceAfterDispatchExternBase::traceAfterDispatch(Visitor* visitor) {
  44   traceAfterDispatchImpl(visitor);
  45 }
  46
  47 void TraceAfterDispatchExternBase::traceAfterDispatch(
  48     InlinedGlobalMarkingVisitor visitor) {
  49   traceAfterDispatchImpl(visitor);
  50 }
  51
  52 template <typename VisitorDispatcher>
  53 inline void TraceAfterDispatchExternBase::traceAfterDispatchImpl(
  54     VisitorDispatcher visitor) {
  55   visitor->trace(x_base_);
  56 }
  57
  58 void TraceAfterDispatchExternDerived::traceAfterDispatch(Visitor* visitor) {
  59   traceAfterDispatchImpl(visitor);
  60 }
  61
  62 void TraceAfterDispatchExternDerived::traceAfterDispatch(
  63     InlinedGlobalMarkingVisitor visitor) {
  64   traceAfterDispatchImpl(visitor);
  65 }
  66
  67 template <typename VisitorDispatcher>
  68 inline void TraceAfterDispatchExternDerived::traceAfterDispatchImpl(
  69     VisitorDispatcher visitor) {
  70   visitor->trace(x_derived_);
  71   TraceAfterDispatchExternBase::traceAfterDispatch(visitor);
  72 }
  73
  74 }