1 // Copyright 2015 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_FRAMES_H_ 6 #define V8_DEBUG_DEBUG_FRAMES_H_ 7 8 #include "src/deoptimizer.h" 9 #include "src/frames.h" 10 #include "src/isolate.h" 11 #include "src/objects.h" 12 #include "src/wasm/wasm-interpreter.h" 13 14 namespace v8 { 15 namespace internal { 16 17 class FrameInspector { 18 public: 19 FrameInspector(StandardFrame* frame, int inlined_frame_index, 20 Isolate* isolate); 21 22 ~FrameInspector(); 23 24 int GetParametersCount(); GetFunction()25 Handle<JSFunction> GetFunction() const { return function_; } GetScript()26 Handle<Script> GetScript() { return script_; } 27 Handle<Object> GetParameter(int index); 28 Handle<Object> GetExpression(int index); GetSourcePosition()29 int GetSourcePosition() { return source_position_; } IsConstructor()30 bool IsConstructor() { return is_constructor_; } 31 Handle<Object> GetContext(); GetReceiver()32 Handle<Object> GetReceiver() { return receiver_; } 33 GetFunctionName()34 Handle<String> GetFunctionName() { return function_name_; } 35 36 bool IsWasm(); 37 bool IsJavaScript(); 38 javascript_frame()39 inline JavaScriptFrame* javascript_frame() { 40 return frame_->is_arguments_adaptor() ? ArgumentsAdaptorFrame::cast(frame_) 41 : JavaScriptFrame::cast(frame_); 42 } 43 inlined_frame_index()44 int inlined_frame_index() const { return inlined_frame_index_; } 45 46 private: 47 bool ParameterIsShadowedByContextLocal(Handle<ScopeInfo> info, 48 Handle<String> parameter_name); 49 50 StandardFrame* frame_; 51 int inlined_frame_index_; 52 std::unique_ptr<DeoptimizedFrameInfo> deoptimized_frame_; 53 wasm::WasmInterpreter::FramePtr wasm_interpreted_frame_; 54 Isolate* isolate_; 55 Handle<Script> script_; 56 Handle<Object> receiver_; 57 Handle<JSFunction> function_; 58 Handle<String> function_name_; 59 int source_position_ = -1; 60 bool is_optimized_ = false; 61 bool is_interpreted_ = false; 62 bool has_adapted_arguments_ = false; 63 bool is_constructor_ = false; 64 65 DISALLOW_COPY_AND_ASSIGN(FrameInspector); 66 }; 67 } // namespace internal 68 } // namespace v8 69 70 #endif // V8_DEBUG_DEBUG_FRAMES_H_ 71