mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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82 lines
2.3 KiB
C
82 lines
2.3 KiB
C
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* vim: set ts=8 sts=4 et sw=4 tw=99:
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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// This file contains public type declarations that are used *frequently*. If
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// it doesn't occur at least 10 times in Gecko, it probably shouldn't be in
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// here.
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//
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// It includes only:
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// - forward declarations of structs and classes;
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// - typedefs;
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// - enums (maybe).
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// It does *not* contain any struct or class definitions.
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#ifndef js_TypeDecls_h
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#define js_TypeDecls_h
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#include <stddef.h>
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#include <stdint.h>
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struct JSContext;
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class JSFunction;
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class JSObject;
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class JSScript;
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class JSString;
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// In release builds, jsid is defined to be an integral type. This
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// prevents many bugs from being caught at compile time. E.g.:
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//
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// jsid id = ...
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// if (id) // error
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// ...
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//
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// size_t n = id; // error
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//
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// To catch more errors, jsid is given a struct type in C++ debug builds.
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// Struct assignment and (in C++) operator== allow correct code to be mostly
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// oblivious to the change. This feature can be explicitly disabled in debug
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// builds by defining JS_NO_JSVAL_JSID_STRUCT_TYPES.
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//
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#if defined(DEBUG) && !defined(JS_NO_JSVAL_JSID_STRUCT_TYPES)
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# define JS_USE_JSID_STRUCT_TYPES
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#endif
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#ifdef JS_USE_JSID_STRUCT_TYPES
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struct jsid;
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#else
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typedef ptrdiff_t jsid;
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#endif
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#ifdef WIN32
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typedef wchar_t jschar;
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#else
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typedef uint16_t jschar;
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#endif
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namespace JS {
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class Value;
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template <typename T> class Handle;
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template <typename T> class MutableHandle;
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typedef Handle<JSFunction*> HandleFunction;
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typedef Handle<jsid> HandleId;
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typedef Handle<JSObject*> HandleObject;
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typedef Handle<JSScript*> HandleScript;
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typedef Handle<JSString*> HandleString;
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typedef Handle<Value> HandleValue;
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typedef MutableHandle<JSFunction*> MutableHandleFunction;
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typedef MutableHandle<jsid> MutableHandleId;
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typedef MutableHandle<JSObject*> MutableHandleObject;
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typedef MutableHandle<JSScript*> MutableHandleScript;
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typedef MutableHandle<JSString*> MutableHandleString;
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typedef MutableHandle<Value> MutableHandleValue;
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} // namespace JS
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#endif /* js_TypeDecls_h */
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