[wasm] Improve naming consistency for WASM instances.

src/wasm/wasm-module.h

 // Copyright 2015 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_MODULE_H_
 #define V8_WASM_MODULE_H_
 
 #include <memory>
 
 #include "src/api.h"
@@ skipping 477 matching lines @@
 Handle<WasmDebugInfo> GetDebugInfo(Handle<JSObject> wasm);
 
 // Return the number of functions in the given wasm object.
 int GetNumberOfFunctions(Handle<JSObject> wasm);
 
 // Create and export JSFunction
 Handle<JSFunction> WrapExportCodeAsJSFunction(Isolate* isolate,
                                               Handle<Code> export_code,
                                               Handle<String> name, int arity,
                                               MaybeHandle<ByteArray> signature,
-                                              Handle<JSObject> module_instance);
+                                              Handle<JSObject> instance);
 
 // Check whether the given object is a wasm object.
 // This checks the number and type of internal fields, so it's not 100 percent
 // secure. If it turns out that we need more complete checks, we could add a
 // special marker as internal field, which will definitely never occur anywhere
 // else.
-bool IsWasmObject(Object* object);
+bool IsWasmInstance(Object* object);
 
 // Return the compiled module object for this wasm object.
-WasmCompiledModule* GetCompiledModule(JSObject* wasm);
+WasmCompiledModule* GetCompiledModule(JSObject* instance);
 
 // Check whether the wasm module was generated from asm.js code.
-bool WasmIsAsmJs(Object* wasm, Isolate* isolate);
+bool WasmIsAsmJs(Object* instance, Isolate* isolate);
 
 // Get the script for the asm.js origin of the wasm module.
-Handle<Script> GetAsmWasmScript(Handle<JSObject> wasm);
+Handle<Script> GetAsmWasmScript(Handle<JSObject> instance);
 
 // Get the asm.js source position for the given byte offset in the given
 // function.
-int GetAsmWasmSourcePosition(Handle<JSObject> wasm, int func_index,
+int GetAsmWasmSourcePosition(Handle<JSObject> instance, int func_index,
                              int byte_offset);
 
 // Constructs a single function table as a FixedArray of double size,
 // populating it with function signature indices and function indices.
 Handle<FixedArray> BuildFunctionTable(Isolate* isolate, uint32_t index,
                                       const WasmModule* module);
 
 // Populates a function table by replacing function indices with handles to
 // the compiled code.
 void PopulateFunctionTable(Handle<FixedArray> table, uint32_t table_size,
                            const std::vector<Handle<Code>>* code_table);
 
 Handle<JSObject> CreateCompiledModuleObject(
     Isolate* isolate, Handle<WasmCompiledModule> compiled_module,
     ModuleOrigin origin);
 
 V8_EXPORT_PRIVATE MaybeHandle<JSObject> CreateModuleObjectFromBytes(
     Isolate* isolate, const byte* start, const byte* end, ErrorThrower* thrower,
     ModuleOrigin origin, Handle<Script> asm_js_script,
     const byte* asm_offset_tables_start, const byte* asm_offset_tables_end);
 
 V8_EXPORT_PRIVATE bool ValidateModuleBytes(Isolate* isolate, const byte* start,
                                            const byte* end,
                                            ErrorThrower* thrower,
                                            ModuleOrigin origin);
 
 // Get the number of imported functions for a WASM instance.
-int GetNumImportedFunctions(Handle<JSObject> wasm_object);
+int GetNumImportedFunctions(Handle<JSObject> instance);
 
 // Assumed to be called with a code object associated to a wasm module instance.
 // Intended to be called from runtime functions.
 // Returns nullptr on failing to get owning instance.
 Object* GetOwningWasmInstance(Code* code);
 
 MaybeHandle<JSArrayBuffer> GetInstanceMemory(Isolate* isolate,
                                              Handle<JSObject> instance);
 
 int32_t GetInstanceMemorySize(Isolate* isolate, Handle<JSObject> instance);
 
 int32_t GrowInstanceMemory(Isolate* isolate, Handle<JSObject> instance,
                            uint32_t pages);
 
 namespace testing {
 
 void ValidateInstancesChain(Isolate* isolate, Handle<JSObject> module_obj,
                             int instance_count);
 void ValidateModuleState(Isolate* isolate, Handle<JSObject> module_obj);
 void ValidateOrphanedInstance(Isolate* isolate, Handle<JSObject> instance);
 
 }  // namespace testing
 }  // namespace wasm
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_WASM_MODULE_H_