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Name	Size	Permission	Date
cppgc	[ DIR ]	drwxr-xr-x	2025-04-07 20:36
libplatform	[ DIR ]	drwxr-xr-x	2025-04-07 20:36
openssl	[ DIR ]	drwxr-xr-x	2025-04-07 20:36
uv	[ DIR ]	drwxr-xr-x	2025-04-07 20:36
common.gypi	23.29 KB	-rw-r--r--	2024-04-10 12:29
config.gypi	26.77 KB	-rw-r--r--	2024-04-10 12:29
js_native_api.h	31.57 KB	-rw-r--r--	2024-04-10 12:29
js_native_api_types.h	6.6 KB	-rw-r--r--	2024-02-13 21:51
node.h	65.87 KB	-rw-r--r--	2024-04-10 12:29
node_api.h	10.08 KB	-rw-r--r--	2024-04-10 09:40
node_api_types.h	1.57 KB	-rw-r--r--	2022-11-20 10:00
node_buffer.h	3.6 KB	-rw-r--r--	2024-04-10 09:40
node_object_wrap.h	3.78 KB	-rw-r--r--	2022-10-11 10:59
node_version.h	4.14 KB	-rw-r--r--	2024-04-10 12:29
uv.h	68.86 KB	-rw-r--r--	2024-04-10 12:29
v8-array-buffer.h	17.45 KB	-rw-r--r--	2024-04-10 12:29
v8-callbacks.h	16.95 KB	-rw-r--r--	2024-04-10 12:29
v8-container.h	3.4 KB	-rw-r--r--	2024-04-10 09:40
v8-context.h	16.01 KB	-rw-r--r--	2024-04-10 12:29
v8-cppgc.h	7.46 KB	-rw-r--r--	2024-04-10 12:29
v8-data.h	1.58 KB	-rw-r--r--	2024-04-10 12:29
v8-date.h	1.19 KB	-rw-r--r--	2024-04-10 12:29
v8-debug.h	5.04 KB	-rw-r--r--	2022-10-11 10:59
v8-embedder-heap.h	2.32 KB	-rw-r--r--	2024-04-10 12:29
v8-embedder-state-scope.h	1.51 KB	-rw-r--r--	2024-04-10 09:40
v8-exception.h	6.98 KB	-rw-r--r--	2024-04-10 12:29
v8-extension.h	1.83 KB	-rw-r--r--	2022-10-11 10:59
v8-external.h	924 B	-rw-r--r--	2022-10-11 10:59
v8-forward.h	1.62 KB	-rw-r--r--	2024-04-09 15:17
v8-function-callback.h	15.44 KB	-rw-r--r--	2024-04-10 12:29
v8-function.h	4.42 KB	-rw-r--r--	2024-04-10 12:29
v8-handle-base.h	5.72 KB	-rw-r--r--	2024-04-10 12:29
v8-initialization.h	10.23 KB	-rw-r--r--	2024-04-10 12:29
v8-internal.h	42.14 KB	-rw-r--r--	2024-04-10 12:29
v8-isolate.h	62.44 KB	-rw-r--r--	2024-04-10 12:29
v8-json.h	1.32 KB	-rw-r--r--	2022-10-11 10:59
v8-local-handle.h	15.86 KB	-rw-r--r--	2024-04-10 12:29
v8-locker.h	3.86 KB	-rw-r--r--	2024-04-10 12:29
v8-maybe.h	4.47 KB	-rw-r--r--	2024-04-10 12:29
v8-memory-span.h	1.25 KB	-rw-r--r--	2024-04-10 09:40
v8-message.h	6.29 KB	-rw-r--r--	2024-04-10 12:29
v8-microtask-queue.h	4.95 KB	-rw-r--r--	2024-04-10 12:29
v8-microtask.h	861 B	-rw-r--r--	2022-10-11 10:59
v8-object.h	28.59 KB	-rw-r--r--	2024-04-10 12:29
v8-persistent-handle.h	17.47 KB	-rw-r--r--	2024-04-10 12:29
v8-platform.h	46.61 KB	-rw-r--r--	2024-04-10 12:29
v8-primitive-object.h	2.53 KB	-rw-r--r--	2022-10-11 10:59
v8-primitive.h	27.69 KB	-rw-r--r--	2024-04-10 12:29
v8-profiler.h	41.11 KB	-rw-r--r--	2024-04-10 12:29
v8-promise.h	5.17 KB	-rw-r--r--	2022-10-11 10:59
v8-proxy.h	1.23 KB	-rw-r--r--	2022-10-11 10:59
v8-regexp.h	3.1 KB	-rw-r--r--	2024-04-10 12:29
v8-script.h	28.91 KB	-rw-r--r--	2024-04-10 12:29
v8-snapshot.h	7.14 KB	-rw-r--r--	2024-04-10 12:29
v8-source-location.h	2.54 KB	-rw-r--r--	2024-04-10 12:29
v8-statistics.h	8 KB	-rw-r--r--	2024-04-10 12:29
v8-template.h	37.42 KB	-rw-r--r--	2024-04-10 12:29
v8-traced-handle.h	11.21 KB	-rw-r--r--	2024-04-10 12:29
v8-typed-array.h	8.06 KB	-rw-r--r--	2024-04-10 09:40
v8-unwinder.h	4.64 KB	-rw-r--r--	2024-04-10 12:29
v8-value-serializer.h	10.56 KB	-rw-r--r--	2024-04-10 12:29
v8-value.h	13.88 KB	-rw-r--r--	2024-04-10 12:29
v8-version.h	773 B	-rw-r--r--	2024-04-10 12:29
v8-wasm.h	6 KB	-rw-r--r--	2024-04-10 12:29
v8-weak-callback-info.h	2.41 KB	-rw-r--r--	2024-04-10 12:29
v8.h	3.69 KB	-rw-r--r--	2022-10-11 10:59
v8config.h	31.67 KB	-rw-r--r--	2024-04-10 12:29
zconf.h	16.77 KB	-rw-r--r--	2023-08-09 13:29
zlib.h	95.13 KB	-rw-r--r--	2024-02-13 21:51

Rename

// Copyright 2021 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 INCLUDE_V8_WASM_H_
#define INCLUDE_V8_WASM_H_

#include <functional>
#include <memory>
#include <string>

#include "v8-local-handle.h"  // NOLINT(build/include_directory)
#include "v8-memory-span.h"   // NOLINT(build/include_directory)
#include "v8-object.h"        // NOLINT(build/include_directory)
#include "v8config.h"         // NOLINT(build/include_directory)

namespace v8 {

class ArrayBuffer;
class Promise;

namespace internal {
namespace wasm {
class NativeModule;
class StreamingDecoder;
}  // namespace wasm
}  // namespace internal

/**
 * An owned byte buffer with associated size.
 */
struct OwnedBuffer {
  std::unique_ptr<const uint8_t[]> buffer;
  size_t size = 0;
  OwnedBuffer(std::unique_ptr<const uint8_t[]> buffer, size_t size)
      : buffer(std::move(buffer)), size(size) {}
  OwnedBuffer() = default;
};

// Wrapper around a compiled WebAssembly module, which is potentially shared by
// different WasmModuleObjects.
class V8_EXPORT CompiledWasmModule {
 public:
  /**
   * Serialize the compiled module. The serialized data does not include the
   * wire bytes.
   */
  OwnedBuffer Serialize();

/**
   * Get the (wasm-encoded) wire bytes that were used to compile this module.
   */
  MemorySpan<const uint8_t> GetWireBytesRef();

const std::string& source_url() const { return source_url_; }

private:
  friend class WasmModuleObject;
  friend class WasmStreaming;

explicit CompiledWasmModule(std::shared_ptr<internal::wasm::NativeModule>,
                              const char* source_url, size_t url_length);

const std::shared_ptr<internal::wasm::NativeModule> native_module_;
  const std::string source_url_;
};

// An instance of WebAssembly.Memory.
class V8_EXPORT WasmMemoryObject : public Object {
 public:
  WasmMemoryObject() = delete;

/**
   * Returns underlying ArrayBuffer.
   */
  Local<ArrayBuffer> Buffer();

V8_INLINE static WasmMemoryObject* Cast(Value* value) {
#ifdef V8_ENABLE_CHECKS
    CheckCast(value);
#endif
    return static_cast<WasmMemoryObject*>(value);
  }

private:
  static void CheckCast(Value* object);
};

// An instance of WebAssembly.Module.
class V8_EXPORT WasmModuleObject : public Object {
 public:
  WasmModuleObject() = delete;

/**
   * Efficiently re-create a WasmModuleObject, without recompiling, from
   * a CompiledWasmModule.
   */
  static MaybeLocal<WasmModuleObject> FromCompiledModule(
      Isolate* isolate, const CompiledWasmModule&);

/**
   * Get the compiled module for this module object. The compiled module can be
   * shared by several module objects.
   */
  CompiledWasmModule GetCompiledModule();

/**
   * Compile a Wasm module from the provided uncompiled bytes.
   */
  static MaybeLocal<WasmModuleObject> Compile(
      Isolate* isolate, MemorySpan<const uint8_t> wire_bytes);

V8_INLINE static WasmModuleObject* Cast(Value* value) {
#ifdef V8_ENABLE_CHECKS
    CheckCast(value);
#endif
    return static_cast<WasmModuleObject*>(value);
  }

private:
  static void CheckCast(Value* obj);
};

/**
 * The V8 interface for WebAssembly streaming compilation. When streaming
 * compilation is initiated, V8 passes a {WasmStreaming} object to the embedder
 * such that the embedder can pass the input bytes for streaming compilation to
 * V8.
 */
class V8_EXPORT WasmStreaming final {
 public:
  class WasmStreamingImpl;

explicit WasmStreaming(std::unique_ptr<WasmStreamingImpl> impl);

~WasmStreaming();

/**
   * Pass a new chunk of bytes to WebAssembly streaming compilation.
   * The buffer passed into {OnBytesReceived} is owned by the caller.
   */
  void OnBytesReceived(const uint8_t* bytes, size_t size);

/**
   * {Finish} should be called after all received bytes where passed to
   * {OnBytesReceived} to tell V8 that there will be no more bytes. {Finish}
   * must not be called after {Abort} has been called already.
   * If {can_use_compiled_module} is true and {SetCompiledModuleBytes} was
   * previously called, the compiled module bytes can be used.
   * If {can_use_compiled_module} is false, the compiled module bytes previously
   * set by {SetCompiledModuleBytes} should not be used.
   */
  void Finish(bool can_use_compiled_module = true);

/**
   * Abort streaming compilation. If {exception} has a value, then the promise
   * associated with streaming compilation is rejected with that value. If
   * {exception} does not have value, the promise does not get rejected.
   * {Abort} must not be called repeatedly, or after {Finish}.
   */
  void Abort(MaybeLocal<Value> exception);

/**
   * Passes previously compiled module bytes. This must be called before
   * {OnBytesReceived}, {Finish}, or {Abort}. Returns true if the module bytes
   * can be used, false otherwise. The buffer passed via {bytes} and {size}
   * is owned by the caller. If {SetCompiledModuleBytes} returns true, the
   * buffer must remain valid until either {Finish} or {Abort} completes.
   * The compiled module bytes should not be used until {Finish(true)} is
   * called, because they can be invalidated later by {Finish(false)}.
   */
  bool SetCompiledModuleBytes(const uint8_t* bytes, size_t size);

/**
   * Sets a callback which is called whenever a significant number of new
   * functions are ready for serialization.
   */
  void SetMoreFunctionsCanBeSerializedCallback(
      std::function<void(CompiledWasmModule)>);

/*
   * Sets the UTF-8 encoded source URL for the {Script} object. This must be
   * called before {Finish}.
   */
  void SetUrl(const char* url, size_t length);

/**
   * Unpacks a {WasmStreaming} object wrapped in a  {Managed} for the embedder.
   * Since the embedder is on the other side of the API, it cannot unpack the
   * {Managed} itself.
   */
  static std::shared_ptr<WasmStreaming> Unpack(Isolate* isolate,
                                               Local<Value> value);

private:
  std::unique_ptr<WasmStreamingImpl> impl_;
};

}  // namespace v8

#endif  // INCLUDE_V8_WASM_H_