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      1 // Copyright 2017 the V8 project 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 #ifndef V8_DEBUG_DEBUG_SCOPE_ITERATOR_H_
      6 #define V8_DEBUG_DEBUG_SCOPE_ITERATOR_H_
      7 
      8 #include "src/debug/debug-frames.h"
      9 #include "src/debug/debug-interface.h"
     10 #include "src/debug/debug-scopes.h"
     11 #include "src/frames.h"
     12 
     13 namespace v8 {
     14 namespace internal {
     15 
     16 class DebugScopeIterator final : public debug::ScopeIterator {
     17  public:
     18   DebugScopeIterator(Isolate* isolate, FrameInspector* frame_inspector);
     19   DebugScopeIterator(Isolate* isolate, Handle<JSFunction> function);
     20   DebugScopeIterator(Isolate* isolate, Handle<JSGeneratorObject> generator);
     21 
     22   bool Done() override;
     23   void Advance() override;
     24   ScopeType GetType() override;
     25   v8::Local<v8::Object> GetObject() override;
     26   v8::Local<v8::Value> GetFunctionDebugName() override;
     27   int GetScriptId() override;
     28   bool HasLocationInfo() override;
     29   debug::Location GetStartLocation() override;
     30   debug::Location GetEndLocation() override;
     31 
     32   bool SetVariableValue(v8::Local<v8::String> name,
     33                         v8::Local<v8::Value> value) override;
     34 
     35  private:
     36   bool ShouldIgnore();
     37 
     38   v8::internal::ScopeIterator iterator_;
     39 };
     40 
     41 class DebugWasmScopeIterator final : public debug::ScopeIterator {
     42  public:
     43   DebugWasmScopeIterator(Isolate* isolate, StandardFrame* frame,
     44                          int inlined_frame_index);
     45 
     46   bool Done() override;
     47   void Advance() override;
     48   ScopeType GetType() override;
     49   v8::Local<v8::Object> GetObject() override;
     50   v8::Local<v8::Value> GetFunctionDebugName() override;
     51   int GetScriptId() override;
     52   bool HasLocationInfo() override;
     53   debug::Location GetStartLocation() override;
     54   debug::Location GetEndLocation() override;
     55 
     56   bool SetVariableValue(v8::Local<v8::String> name,
     57                         v8::Local<v8::Value> value) override;
     58  private:
     59   Isolate* isolate_;
     60   StandardFrame* frame_;
     61   int inlined_frame_index_;
     62   ScopeType type_;
     63 };
     64 }  // namespace internal
     65 }  // namespace v8
     66 
     67 #endif  // V8_DEBUG_DEBUG_SCOPE_ITERATOR_H_
     68