зеркало из https://github.com/mozilla/gecko-dev.git
78 строки
2.2 KiB
C++
78 строки
2.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
|
|
* vim: set ts=8 sts=4 et sw=4 tw=99:
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
// This file contains public type declarations that are used *frequently*. If
|
|
// it doesn't occur at least 10 times in Gecko, it probably shouldn't be in
|
|
// here.
|
|
//
|
|
// It includes only:
|
|
// - forward declarations of structs and classes;
|
|
// - typedefs;
|
|
// - enums (maybe).
|
|
// It does *not* contain any struct or class definitions.
|
|
|
|
#ifndef js_TypeDecls_h
|
|
#define js_TypeDecls_h
|
|
|
|
#include <stddef.h>
|
|
#include <stdint.h>
|
|
|
|
struct JSContext;
|
|
class JSFunction;
|
|
class JSObject;
|
|
class JSScript;
|
|
class JSString;
|
|
|
|
// In release builds, jsid is defined to be an integral type. This
|
|
// prevents many bugs from being caught at compile time. E.g.:
|
|
//
|
|
// jsid id = ...
|
|
// if (id) // error
|
|
// ...
|
|
//
|
|
// size_t n = id; // error
|
|
//
|
|
// To catch more errors, jsid is given a struct type in C++ debug builds.
|
|
// Struct assignment and (in C++) operator== allow correct code to be mostly
|
|
// oblivious to the change. This feature can be explicitly disabled in debug
|
|
// builds by defining JS_NO_JSVAL_JSID_STRUCT_TYPES.
|
|
//
|
|
#if defined(DEBUG) && !defined(JS_NO_JSVAL_JSID_STRUCT_TYPES)
|
|
# define JS_USE_JSID_STRUCT_TYPES
|
|
#endif
|
|
|
|
#ifdef JS_USE_JSID_STRUCT_TYPES
|
|
struct jsid;
|
|
#else
|
|
typedef ptrdiff_t jsid;
|
|
#endif
|
|
|
|
typedef char16_t jschar;
|
|
|
|
namespace JS {
|
|
|
|
class Value;
|
|
template <typename T> class Handle;
|
|
template <typename T> class MutableHandle;
|
|
|
|
typedef Handle<JSFunction*> HandleFunction;
|
|
typedef Handle<jsid> HandleId;
|
|
typedef Handle<JSObject*> HandleObject;
|
|
typedef Handle<JSScript*> HandleScript;
|
|
typedef Handle<JSString*> HandleString;
|
|
typedef Handle<Value> HandleValue;
|
|
|
|
typedef MutableHandle<JSFunction*> MutableHandleFunction;
|
|
typedef MutableHandle<jsid> MutableHandleId;
|
|
typedef MutableHandle<JSObject*> MutableHandleObject;
|
|
typedef MutableHandle<JSScript*> MutableHandleScript;
|
|
typedef MutableHandle<JSString*> MutableHandleString;
|
|
typedef MutableHandle<Value> MutableHandleValue;
|
|
|
|
} // namespace JS
|
|
|
|
#endif /* js_TypeDecls_h */
|