Initial import of v8-native WASM.

src/wasm/module-decoder.h

Index: src/wasm/module-decoder.h
diff --git a/src/wasm/module-decoder.h b/src/wasm/module-decoder.h
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+// 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_DECODER_H_
+#define V8_WASM_MODULE_DECODER_H_
+
+#include "src/wasm/ast-decoder.h"
+#include "src/wasm/wasm-module.h"
+
+namespace v8 {
+namespace internal {
+namespace wasm {
+// Decodes the bytes of a WASM module between {module_start} and {module_end}.
+ModuleResult DecodeWasmModule(Isolate* isolate, Zone* zone,
+                              const byte* module_start, const byte* module_end,
+                              bool verify_functions, bool asm_js);
+
+// Exposed for testing. Decodes a single function signature, allocating it
+// in the given zone. Returns {nullptr} upon failure.
+FunctionSig* DecodeWasmSignatureForTesting(Zone* zone, const byte* start,
+                                           const byte* end);
+
+// Decodes the bytes of a WASM function between
+// {function_start} and {function_end}.
+FunctionResult DecodeWasmFunction(Isolate* isolate, Zone* zone, ModuleEnv* env,
+                                  const byte* function_start,
+                                  const byte* function_end);
+}  // namespace wasm
+}  // namespace internal
+}  // namespace v8
+
+#endif  // V8_WASM_MODULE_DECODER_H_