[wasm] Implement GetPossibleBreakpoints

src/wasm/wasm-objects.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_WASM_OBJECTS_H_
 #define V8_WASM_OBJECTS_H_
 
 #include "src/debug/interface-types.h"
 #include "src/objects-inl.h"
 #include "src/trap-handler/trap-handler.h"
@@ skipping 299 matching lines @@
   // Returns an empty string and empty vector if the function index is invalid.
   debug::WasmDisassembly DisassembleFunction(int func_index);
 
   // Extract a portion of the wire bytes as UTF-8 string.
   // Returns a null handle if the respective bytes do not form a valid UTF-8
   // string.
   static MaybeHandle<String> ExtractUtf8StringFromModuleBytes(
       Isolate* isolate, Handle<WasmCompiledModule> compiled_module,
       uint32_t offset, uint32_t size);
 
+  // Get a list of all possible breakpoints within a given range of this module.
+  bool GetPossibleBreakpoints(const debug::Location& start,
+                              const debug::Location& end,
+                              std::vector<debug::Location>* locations) const;
+
  private:
   void InitId();
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(WasmCompiledModule);
 };
 
 // TODO(clemensh): Extend this object for breakpoint support, or remove it.
 class WasmDebugInfo : public FixedArray {
  public:
   enum class Fields { kFieldCount };
@@ skipping 61 matching lines @@
   };
 };
 
 #undef DECLARE_ACCESSORS
 #undef DECLARE_OPTIONAL_ACCESSORS
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_WASM_OBJECTS_H_