[inspector] Introduce translation of wasm frames

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 377 matching lines @@
 WasmCompiledModule* GetCompiledModule(Object* wasm_instance);
 
 // Check whether the wasm module was generated from asm.js code.
 bool WasmIsAsmJs(Object* instance, Isolate* isolate);
 
 // Get the script of the wasm module. If the origin of the module is asm.js, the
 // returned Script will be a JavaScript Script of Script::TYPE_NORMAL, otherwise
 // it's of type TYPE_WASM.
 Handle<Script> GetScript(Handle<JSObject> instance);
 
+// Compute the disassembly of a wasm function.
+// Returns the disassembly string, and a table mapping byte offsets to line and
+// column in the disassembly.

[titzer, 2016/11/16 14:23:59]

Format isn't totally clear from the comment.

Maybe:

Returns the disassembly string and a list of (byte offset, line, column)
entries.

[Clemens Hammacher, 2016/11/16 15:21:19]

Done.

+std::pair<std::string, std::vector<std::tuple<uint32_t, int, int>>>
+DisassembleFunction(Handle<WasmCompiledModule> compiled_module, int func_index);
+
 // Get the asm.js source position for the given byte offset in the given
 // function.
 int GetAsmWasmSourcePosition(Handle<JSObject> instance, int func_index,
                              int byte_offset);
 
 V8_EXPORT_PRIVATE MaybeHandle<WasmModuleObject> 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);
 
@@ skipping 33 matching lines @@
                             int instance_count);
 void ValidateModuleState(Isolate* isolate, Handle<JSObject> wasm_module);
 void ValidateOrphanedInstance(Isolate* isolate, Handle<JSObject> instance);
 
 }  // namespace testing
 }  // namespace wasm
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_WASM_MODULE_H_