/usr/include/js-17.0/jspubtd.h is in libmozjs-17.0-dev 17.0.0-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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*
* 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/. */
#ifndef jspubtd_h___
#define jspubtd_h___
/*
* JS public API typedefs.
*/
#include "jstypes.h"
/*
* Allow headers to reference JS::Value without #including the whole jsapi.h.
* Unfortunately, typedefs (hence jsval) cannot be declared.
*/
#ifdef __cplusplus
namespace JS { class Value; }
#endif
/*
* 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 == JS_TRUE) // 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.
*/
#ifdef __cplusplus
# 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
{
size_t asBits;
bool operator==(jsid rhs) const { return asBits == rhs.asBits; }
bool operator!=(jsid rhs) const { return asBits != rhs.asBits; }
};
# define JSID_BITS(id) (id.asBits)
# else /* defined(JS_USE_JSID_STRUCT_TYPES) */
typedef ptrdiff_t jsid;
# define JSID_BITS(id) (id)
# endif /* defined(JS_USE_JSID_STRUCT_TYPES) */
#else /* defined(__cplusplus) */
typedef ptrdiff_t jsid;
# define JSID_BITS(id) (id)
#endif
JS_BEGIN_EXTERN_C
#ifdef WIN32
typedef wchar_t jschar;
#else
typedef uint16_t jschar;
#endif
/*
* Run-time version enumeration. See jsversion.h for compile-time counterparts
* to these values that may be selected by the JS_VERSION macro, and tested by
* #if expressions.
*/
typedef enum JSVersion {
JSVERSION_1_0 = 100,
JSVERSION_1_1 = 110,
JSVERSION_1_2 = 120,
JSVERSION_1_3 = 130,
JSVERSION_1_4 = 140,
JSVERSION_ECMA_3 = 148,
JSVERSION_1_5 = 150,
JSVERSION_1_6 = 160,
JSVERSION_1_7 = 170,
JSVERSION_1_8 = 180,
JSVERSION_ECMA_5 = 185,
JSVERSION_DEFAULT = 0,
JSVERSION_UNKNOWN = -1,
JSVERSION_LATEST = JSVERSION_ECMA_5
} JSVersion;
#define JSVERSION_IS_ECMA(version) \
((version) == JSVERSION_DEFAULT || (version) >= JSVERSION_1_3)
/* Result of typeof operator enumeration. */
typedef enum JSType {
JSTYPE_VOID, /* undefined */
JSTYPE_OBJECT, /* object */
JSTYPE_FUNCTION, /* function */
JSTYPE_STRING, /* string */
JSTYPE_NUMBER, /* number */
JSTYPE_BOOLEAN, /* boolean */
JSTYPE_NULL, /* null */
JSTYPE_XML, /* xml object */
JSTYPE_LIMIT
} JSType;
/* Dense index into cached prototypes and class atoms for standard objects. */
typedef enum JSProtoKey {
#define JS_PROTO(name,code,init) JSProto_##name = code,
#include "jsproto.tbl"
#undef JS_PROTO
JSProto_LIMIT
} JSProtoKey;
/* js_CheckAccess mode enumeration. */
typedef enum JSAccessMode {
JSACC_PROTO = 0, /* XXXbe redundant w.r.t. id */
/*
* enum value #1 formerly called JSACC_PARENT,
* gap preserved for ABI compatibility.
*/
/*
* enum value #2 formerly called JSACC_IMPORT,
* gap preserved for ABI compatibility.
*/
JSACC_WATCH = 3, /* a watchpoint on object foo for id 'bar' */
JSACC_READ = 4, /* a "get" of foo.bar */
JSACC_WRITE = 8, /* a "set" of foo.bar = baz */
JSACC_LIMIT
} JSAccessMode;
#define JSACC_TYPEMASK (JSACC_WRITE - 1)
/*
* This enum type is used to control the behavior of a JSObject property
* iterator function that has type JSNewEnumerate.
*/
typedef enum JSIterateOp {
/* Create new iterator state over enumerable properties. */
JSENUMERATE_INIT,
/* Create new iterator state over all properties. */
JSENUMERATE_INIT_ALL,
/* Iterate once. */
JSENUMERATE_NEXT,
/* Destroy iterator state. */
JSENUMERATE_DESTROY
} JSIterateOp;
/* See JSVAL_TRACE_KIND and JSTraceCallback in jsapi.h. */
typedef enum {
JSTRACE_OBJECT,
JSTRACE_STRING,
JSTRACE_SCRIPT,
/*
* Trace kinds internal to the engine. The embedding can only them if it
* implements JSTraceCallback.
*/
#if JS_HAS_XML_SUPPORT
JSTRACE_XML,
#endif
JSTRACE_SHAPE,
JSTRACE_BASE_SHAPE,
JSTRACE_TYPE_OBJECT,
JSTRACE_LAST = JSTRACE_TYPE_OBJECT
} JSGCTraceKind;
/* Struct typedefs. */
typedef struct JSClass JSClass;
typedef struct JSCompartment JSCompartment;
typedef struct JSConstDoubleSpec JSConstDoubleSpec;
typedef struct JSContext JSContext;
typedef struct JSCrossCompartmentCall JSCrossCompartmentCall;
typedef struct JSErrorReport JSErrorReport;
typedef struct JSExceptionState JSExceptionState;
typedef struct JSFunction JSFunction;
typedef struct JSFunctionSpec JSFunctionSpec;
typedef struct JSIdArray JSIdArray;
typedef struct JSLocaleCallbacks JSLocaleCallbacks;
typedef struct JSObject JSObject;
typedef struct JSObjectMap JSObjectMap;
typedef struct JSPrincipals JSPrincipals;
typedef struct JSPropertyDescriptor JSPropertyDescriptor;
typedef struct JSPropertyName JSPropertyName;
typedef struct JSPropertySpec JSPropertySpec;
typedef struct JSRuntime JSRuntime;
typedef struct JSSecurityCallbacks JSSecurityCallbacks;
typedef struct JSStackFrame JSStackFrame;
typedef struct JSScript JSScript;
typedef struct JSStructuredCloneCallbacks JSStructuredCloneCallbacks;
typedef struct JSStructuredCloneReader JSStructuredCloneReader;
typedef struct JSStructuredCloneWriter JSStructuredCloneWriter;
typedef struct JSTracer JSTracer;
#ifdef __cplusplus
class JSFlatString;
class JSStableString; // long story
class JSString;
#else
typedef struct JSFlatString JSFlatString;
typedef struct JSString JSString;
#endif /* !__cplusplus */
#ifdef JS_THREADSAFE
typedef struct PRCallOnceType JSCallOnceType;
#else
typedef JSBool JSCallOnceType;
#endif
typedef JSBool (*JSInitCallback)(void);
JS_END_EXTERN_C
#ifdef __cplusplus
namespace JS {
template <typename T>
class Rooted;
class SkipRoot;
enum ThingRootKind
{
THING_ROOT_OBJECT,
THING_ROOT_SHAPE,
THING_ROOT_BASE_SHAPE,
THING_ROOT_TYPE_OBJECT,
THING_ROOT_STRING,
THING_ROOT_SCRIPT,
THING_ROOT_XML,
THING_ROOT_ID,
THING_ROOT_PROPERTY_ID,
THING_ROOT_VALUE,
THING_ROOT_TYPE,
THING_ROOT_LIMIT
};
template <typename T>
struct RootKind;
/*
* Specifically mark the ThingRootKind of externally visible types, so that
* JSAPI users may use JSRooted... types without having the class definition
* available.
*/
template <> struct RootKind<JSObject *> { static ThingRootKind rootKind() { return THING_ROOT_OBJECT; }; };
template <> struct RootKind<JSFunction *> { static ThingRootKind rootKind() { return THING_ROOT_OBJECT; }; };
template <> struct RootKind<JSString *> { static ThingRootKind rootKind() { return THING_ROOT_STRING; }; };
template <> struct RootKind<JSScript *> { static ThingRootKind rootKind() { return THING_ROOT_SCRIPT; }; };
template <> struct RootKind<jsid> { static ThingRootKind rootKind() { return THING_ROOT_ID; }; };
template <> struct RootKind<Value> { static ThingRootKind rootKind() { return THING_ROOT_VALUE; }; };
struct ContextFriendFields {
JSRuntime *const runtime;
ContextFriendFields(JSRuntime *rt)
: runtime(rt) { }
static const ContextFriendFields *get(const JSContext *cx) {
return reinterpret_cast<const ContextFriendFields *>(cx);
}
static ContextFriendFields *get(JSContext *cx) {
return reinterpret_cast<ContextFriendFields *>(cx);
}
#if defined(JSGC_ROOT_ANALYSIS) || defined(JSGC_USE_EXACT_ROOTING)
/*
* Stack allocated GC roots for stack GC heap pointers, which may be
* overwritten if moved during a GC.
*/
Rooted<void*> *thingGCRooters[THING_ROOT_LIMIT];
#endif
#if defined(DEBUG) && defined(JS_GC_ZEAL) && defined(JSGC_ROOT_ANALYSIS) && !defined(JS_THREADSAFE)
/*
* Stack allocated list of stack locations which hold non-relocatable
* GC heap pointers (where the target is rooted somewhere else) or integer
* values which may be confused for GC heap pointers. These are used to
* suppress false positives which occur when a rooting analysis treats the
* location as holding a relocatable pointer, but have no other effect on
* GC behavior.
*/
SkipRoot *skipGCRooters;
#endif
};
} /* namespace JS */
#endif /* __cplusplus */
#endif /* jspubtd_h___ */
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