[ignition] desugar async functions/generators/modules in BytecodeGenerator

src/interpreter/control-flow-builders.h

 // Copyright 2015 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.
 
 #ifndef V8_INTERPRETER_CONTROL_FLOW_BUILDERS_H_
 #define V8_INTERPRETER_CONTROL_FLOW_BUILDERS_H_
 
 #include "src/interpreter/bytecode-array-builder.h"
 
 #include "src/interpreter/bytecode-label.h"
@@ skipping 124 matching lines @@
   // patched when the corresponding SetCaseTarget is called.
   void DefaultAt(int index) { builder()->Jump(&case_sites_.at(index)); }
 
  private:
   // Unbound labels that identify jumps for case statements in the code.
   ZoneVector<BytecodeLabel> case_sites_;
 };
 
 
 // A class to help with co-ordinating control flow in try-catch statements.
-class V8_EXPORT_PRIVATE TryCatchBuilder final : public ControlFlowBuilder {
+class V8_EXPORT_PRIVATE TryCatchBuilder : public ControlFlowBuilder {
  public:
   explicit TryCatchBuilder(BytecodeArrayBuilder* builder,
                            HandlerTable::CatchPrediction catch_prediction)
       : ControlFlowBuilder(builder),
         handler_id_(builder->NewHandlerEntry()),
         catch_prediction_(catch_prediction) {}
 
   void BeginTry(Register context);
   void EndTry();
   void EndCatch();
 
+ protected:
+  HandlerTable::CatchPrediction catch_prediction() const {
+    return catch_prediction_;
+  }
+
  private:
   int handler_id_;
   HandlerTable::CatchPrediction catch_prediction_;
   BytecodeLabel handler_;
   BytecodeLabel exit_;
 };
 
-
 // A class to help with co-ordinating control flow in try-finally statements.
-class V8_EXPORT_PRIVATE TryFinallyBuilder final : public ControlFlowBuilder {
+class V8_EXPORT_PRIVATE TryFinallyBuilder : public ControlFlowBuilder {
  public:
   explicit TryFinallyBuilder(BytecodeArrayBuilder* builder,
                              HandlerTable::CatchPrediction catch_prediction)
       : ControlFlowBuilder(builder),
         handler_id_(builder->NewHandlerEntry()),
         catch_prediction_(catch_prediction),
         finalization_sites_(builder->zone()) {}
 
   void BeginTry(Register context);
   void LeaveTry();
   void EndTry();
   void BeginHandler();
   void BeginFinally();
   void EndFinally();
 
  private:
   int handler_id_;
   HandlerTable::CatchPrediction catch_prediction_;
   BytecodeLabel handler_;
 
   // Unbound labels that identify jumps to the finally block in the code.
   BytecodeLabels finalization_sites_;
 };
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_INTERPRETER_CONTROL_FLOW_BUILDERS_H_