// Copyright 2015 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef V8_DEBUG_DEBUG_FRAMES_H_
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#define V8_DEBUG_DEBUG_FRAMES_H_
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#include "src/deoptimizer.h"
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#include "src/frames.h"
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#include "src/isolate.h"
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#include "src/objects.h"
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#include "src/wasm/wasm-interpreter.h"
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namespace v8 {
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namespace internal {
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class FrameInspector {
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public:
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FrameInspector(StandardFrame* frame, int inlined_frame_index,
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Isolate* isolate);
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~FrameInspector();
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int GetParametersCount();
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Handle<JSFunction> GetFunction() const { return function_; }
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Handle<Script> GetScript() { return script_; }
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Handle<Object> GetParameter(int index);
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Handle<Object> GetExpression(int index);
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int GetSourcePosition() { return source_position_; }
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bool IsConstructor() { return is_constructor_; }
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Handle<Object> GetContext();
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Handle<Object> GetReceiver() { return receiver_; }
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Handle<String> GetFunctionName() { return function_name_; }
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bool IsWasm();
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bool IsJavaScript();
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inline JavaScriptFrame* javascript_frame() {
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return frame_->is_arguments_adaptor() ? ArgumentsAdaptorFrame::cast(frame_)
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: JavaScriptFrame::cast(frame_);
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}
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int inlined_frame_index() const { return inlined_frame_index_; }
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private:
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bool ParameterIsShadowedByContextLocal(Handle<ScopeInfo> info,
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Handle<String> parameter_name);
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StandardFrame* frame_;
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int inlined_frame_index_;
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std::unique_ptr<DeoptimizedFrameInfo> deoptimized_frame_;
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wasm::WasmInterpreter::FramePtr wasm_interpreted_frame_;
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Isolate* isolate_;
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Handle<Script> script_;
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Handle<Object> receiver_;
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Handle<JSFunction> function_;
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Handle<String> function_name_;
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int source_position_ = -1;
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bool is_optimized_ = false;
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bool is_interpreted_ = false;
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bool has_adapted_arguments_ = false;
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bool is_constructor_ = false;
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DISALLOW_COPY_AND_ASSIGN(FrameInspector);
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};
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} // namespace internal
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} // namespace v8
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#endif // V8_DEBUG_DEBUG_FRAMES_H_
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