[debug] Remove DebugInterface class

src/debug/interface-types.h

 // Copyright 2016 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_DEBUG_INTERFACE_TYPES_H_
 #define V8_DEBUG_INTERFACE_TYPES_H_
 
 #include <cstdint>
 #include <string>
 #include <vector>
 
+#include "include/v8-debug.h"
+
 namespace v8 {
 namespace debug {
 
 /**
  * Defines location inside script.
  * Lines and columns are 0-based.
  */
 class Location {
  public:
   Location(int line_number, int column_number);
@@ skipping 30 matching lines @@
   using OffsetTable = std::vector<WasmDisassemblyOffsetTableEntry>;
   WasmDisassembly() {}
   WasmDisassembly(std::string disassembly, OffsetTable offset_table)
       : disassembly(std::move(disassembly)),
         offset_table(std::move(offset_table)) {}
 
   std::string disassembly;
   OffsetTable offset_table;
 };
 
+enum ExceptionBreakState {
+  NoBreakOnException = 0,
+  BreakOnUncaughtException = 1,
+  BreakOnAnyException = 2
+};
+
+/**
+ * An event details object passed to the debug event listener.
+ */
+class EventDetails : public v8::Debug::EventDetails {
+ public:
+  /**
+   * Event type.
+   */
+  virtual v8::DebugEvent GetEvent() const = 0;
+
+  /**
+   * Access to execution state and event data of the debug event. Don't store
+   * these cross callbacks as their content becomes invalid.
+   */
+  virtual Local<Object> GetExecutionState() const = 0;
+  virtual Local<Object> GetEventData() const = 0;
+
+  /**
+   * Get the context active when the debug event happened. Note this is not
+   * the current active context as the JavaScript part of the debugger is
+   * running in its own context which is entered at this point.
+   */
+  virtual Local<Context> GetEventContext() const = 0;
+
+  /**
+   * Client data passed with the corresponding callback when it was
+   * registered.
+   */
+  virtual Local<Value> GetCallbackData() const = 0;
+
+  virtual ~EventDetails() {}
+};
+
+/**
+ * Native wrapper around v8::internal::Script object.
+ */
+class Script {
+ public:
+  v8::Isolate* GetIsolate() const;
+
+  ScriptOriginOptions OriginOptions() const;
+  bool WasCompiled() const;
+  int Id() const;
+  int LineOffset() const;
+  int ColumnOffset() const;
+  std::vector<int> LineEnds() const;
+  MaybeLocal<String> Name() const;
+  MaybeLocal<String> SourceURL() const;
+  MaybeLocal<String> SourceMappingURL() const;
+  MaybeLocal<String> ContextData() const;
+  MaybeLocal<String> Source() const;
+  bool IsWasm() const;
+  bool GetPossibleBreakpoints(const debug::Location& start,
+                              const debug::Location& end,
+                              std::vector<debug::Location>* locations) const;
+
+  /**
+   * script parameter is a wrapper v8::internal::JSObject for
+   * v8::internal::Script.
+   * This function gets v8::internal::Script from v8::internal::JSObject and
+   * wraps it with DebugInterface::Script.
+   * Returns empty local if not called with a valid wrapper of
+   * v8::internal::Script.
+   */
+  static MaybeLocal<Script> Wrap(Isolate* isolate,
+                                 v8::Local<v8::Object> script);
+
+ private:
+  int GetSourcePosition(const debug::Location& location) const;
+};
+
+enum StepAction {
+  StepOut = 0,   // Step out of the current function.
+  StepNext = 1,  // Step to the next statement in the current function.
+  StepIn = 2,    // Step into new functions invoked or the next statement
+                 // in the current function.
+  StepFrame = 3  // Step into a new frame or return to previous frame.
+};
+
 }  // namespace debug
 }  // namespace v8
 
 #endif  // V8_DEBUG_INTERFACE_TYPES_H_