[wasm] Make DisassembleFunction a method of WasmCompiledModule

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/objects-inl.h"
 #include "src/trap-handler/trap-handler.h"
 #include "src/wasm/managed.h"
@@ skipping 279 matching lines @@
   // Translate from byte offset in the module to function number and byte offset
   // within that function, encoded as line and column in the position info.
   // Returns true if the position is valid inside this module, false otherwise.
   bool GetPositionInfo(uint32_t position, Script::PositionInfo* info);
 
   // Get the asm.js source position from a byte offset.
   // Must only be called if the associated wasm object was created from asm.js.
   static int GetAsmJsSourcePosition(Handle<WasmCompiledModule> debug_info,
                                     uint32_t func_index, uint32_t byte_offset);
 
+  // Compute the disassembly of a wasm function.
+  // Returns the disassembly string and a list of <byte_offset, line, column>
+  // entries, mapping wasm byte offsets to line and column in the disassembly.
+  // The list is guaranteed to be ordered by the byte_offset.
+  // Returns an empty string and empty vector if the function index is invalid.
+  std::pair<std::string, std::vector<std::tuple<uint32_t, int, int>>>
+  DisassembleFunction(int func_index);
+
  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_