[wasm] Refactor interface to 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/wasm/managed.h"
 
@@ skipping 139 matching lines @@
   }
 
 #define WCM_OBJECT_OR_WEAK(TYPE, NAME, ID)                           \
   Handle<TYPE> NAME() const { return handle(ptr_to_##NAME()); }      \
                                                                      \
   MaybeHandle<TYPE> maybe_##NAME() const {                           \
     if (has_##NAME()) return NAME();                                 \
     return MaybeHandle<TYPE>();                                      \
   }                                                                  \
                                                                      \
+  TYPE* maybe_ptr_to_##NAME() const {                                \
+    Object* obj = get(ID);                                           \
+    if (!obj->Is##TYPE()) return nullptr;                            \
+    return TYPE::cast(obj);                                          \
+  }                                                                  \
+                                                                     \
   TYPE* ptr_to_##NAME() const {                                      \
     Object* obj = get(ID);                                           \
-    if (!obj->Is##TYPE()) return nullptr;                            \
+    DCHECK(obj->Is##TYPE());                                         \
     return TYPE::cast(obj);                                          \
   }                                                                  \
                                                                      \
   void set_##NAME(Handle<TYPE> value) { set_ptr_to_##NAME(*value); } \
                                                                      \
   void set_ptr_to_##NAME(TYPE* value) { set(ID, value); }            \
                                                                      \
   bool has_##NAME() const { return get(ID)->Is##TYPE(); }            \
                                                                      \
   void reset_##NAME() { set_undefined(ID); }
@@ skipping 126 matching lines @@
                                     int func_index, int byte_offset);
 };
 
 #undef DECLARE_ACCESSORS
 #undef DECLARE_OPTIONAL_ACCESSORS
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_WASM_OBJECTS_H_