Lothario
/
axmol
mirror of https://github.com/axmolengine/axmol.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity
axmol/js/spidermonkey-win32/include/jsfriendapi.h

827 lines
24 KiB
C++
Raw Blame History

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
*
* The Original Code is SpiderMonkey code.
*
* The Initial Developer of the Original Code is
* Mozilla Corporation.
* Portions created by the Initial Developer are Copyright (C) 2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef jsfriendapi_h___
#define jsfriendapi_h___
#include "jsclass.h"
#include "jspubtd.h"
#include "jsprvtd.h"
#include "mozilla/GuardObjects.h"
JS_BEGIN_EXTERN_C
extern JS_FRIEND_API(void)
JS_SetGrayGCRootsTracer(JSRuntime *rt, JSTraceDataOp traceOp, void *data);
extern JS_FRIEND_API(JSString *)
JS_GetAnonymousString(JSRuntime *rt);
extern JS_FRIEND_API(JSObject *)
JS_FindCompilationScope(JSContext *cx, JSObject *obj);
extern JS_FRIEND_API(JSFunction *)
JS_GetObjectFunction(JSObject *obj);
extern JS_FRIEND_API(JSObject *)
JS_GetGlobalForFrame(JSStackFrame *fp);
extern JS_FRIEND_API(JSBool)
JS_SplicePrototype(JSContext *cx, JSObject *obj, JSObject *proto);
extern JS_FRIEND_API(JSObject *)
JS_NewObjectWithUniqueType(JSContext *cx, JSClass *clasp, JSObject *proto, JSObject *parent);
extern JS_FRIEND_API(uint32_t)
JS_ObjectCountDynamicSlots(JSObject *obj);
extern JS_FRIEND_API(void)
JS_ShrinkGCBuffers(JSRuntime *rt);
extern JS_FRIEND_API(size_t)
JS_GetE4XObjectsCreated(JSContext *cx);
extern JS_FRIEND_API(size_t)
JS_SetProtoCalled(JSContext *cx);
extern JS_FRIEND_API(size_t)
JS_GetCustomIteratorCount(JSContext *cx);
extern JS_FRIEND_API(JSBool)
JS_NondeterministicGetWeakMapKeys(JSContext *cx, JSObject *obj, JSObject **ret);
/*
* Used by the cycle collector to trace through the shape and all
* shapes it reaches, marking all non-shape children found in the
* process. Uses bounded stack space.
*/
extern JS_FRIEND_API(void)
JS_TraceShapeCycleCollectorChildren(JSTracer *trc, void *shape);
enum {
JS_TELEMETRY_GC_REASON,
JS_TELEMETRY_GC_IS_COMPARTMENTAL,
JS_TELEMETRY_GC_MS,
JS_TELEMETRY_GC_MARK_MS,
JS_TELEMETRY_GC_SWEEP_MS,
JS_TELEMETRY_GC_SLICE_MS,
JS_TELEMETRY_GC_MMU_50,
JS_TELEMETRY_GC_RESET,
JS_TELEMETRY_GC_INCREMENTAL_DISABLED,
JS_TELEMETRY_GC_NON_INCREMENTAL
};
typedef void
(* JSAccumulateTelemetryDataCallback)(int id, uint32_t sample);
extern JS_FRIEND_API(void)
JS_SetAccumulateTelemetryCallback(JSRuntime *rt, JSAccumulateTelemetryDataCallback callback);
extern JS_FRIEND_API(JSPrincipals *)
JS_GetCompartmentPrincipals(JSCompartment *compartment);
/* Safe to call with input obj == NULL. Returns non-NULL iff obj != NULL. */
extern JS_FRIEND_API(JSObject *)
JS_ObjectToInnerObject(JSContext *cx, JSObject *obj);
/* Requires obj != NULL. */
extern JS_FRIEND_API(JSObject *)
JS_ObjectToOuterObject(JSContext *cx, JSObject *obj);
extern JS_FRIEND_API(JSObject *)
JS_CloneObject(JSContext *cx, JSObject *obj, JSObject *proto, JSObject *parent);
extern JS_FRIEND_API(JSBool)
js_GetterOnlyPropertyStub(JSContext *cx, JSObject *obj, jsid id, JSBool strict, jsval *vp);
JS_FRIEND_API(void)
js_ReportOverRecursed(JSContext *maybecx);
#ifdef DEBUG
/*
* Routines to print out values during debugging. These are FRIEND_API to help
* the debugger find them and to support temporarily hacking js_Dump* calls
* into other code.
*/
extern JS_FRIEND_API(void)
js_DumpString(JSString *str);
extern JS_FRIEND_API(void)
js_DumpAtom(JSAtom *atom);
extern JS_FRIEND_API(void)
js_DumpObject(JSObject *obj);
extern JS_FRIEND_API(void)
js_DumpChars(const jschar *s, size_t n);
#endif
#ifdef __cplusplus
extern JS_FRIEND_API(bool)
JS_CopyPropertiesFrom(JSContext *cx, JSObject *target, JSObject *obj);
extern JS_FRIEND_API(JSBool)
JS_WrapPropertyDescriptor(JSContext *cx, js::PropertyDescriptor *desc);
extern JS_FRIEND_API(JSBool)
JS_EnumerateState(JSContext *cx, JSObject *obj, JSIterateOp enum_op, js::Value *statep, jsid *idp);
struct JSFunctionSpecWithHelp {
const char *name;
JSNative call;
uint16_t nargs;
uint16_t flags;
const char *usage;
const char *help;
};
#define JS_FN_HELP(name,call,nargs,flags,usage,help) \
{name, call, nargs, (flags) | JSPROP_ENUMERATE | JSFUN_STUB_GSOPS, usage, help}
extern JS_FRIEND_API(bool)
JS_DefineFunctionsWithHelp(JSContext *cx, JSObject *obj, const JSFunctionSpecWithHelp *fs);
#endif
JS_END_EXTERN_C
#ifdef __cplusplus
namespace js {
struct ContextFriendFields {
JSRuntime *const runtime;
ContextFriendFields(JSRuntime *rt)
: runtime(rt) { }
static const ContextFriendFields *get(const JSContext *cx) {
return reinterpret_cast<const ContextFriendFields *>(cx);
}
};
struct RuntimeFriendFields {
/*
* If non-zero, we were been asked to call the operation callback as soon
* as possible.
*/
volatile int32_t interrupt;
/* Limit pointer for checking native stack consumption. */
uintptr_t nativeStackLimit;
RuntimeFriendFields()
: interrupt(0),
nativeStackLimit(0) { }
static const RuntimeFriendFields *get(const JSRuntime *rt) {
return reinterpret_cast<const RuntimeFriendFields *>(rt);
}
};
inline JSRuntime *
GetRuntime(const JSContext *cx)
{
return ContextFriendFields::get(cx)->runtime;
}
typedef bool
(* PreserveWrapperCallback)(JSContext *cx, JSObject *obj);
#ifdef DEBUG
/*
* DEBUG-only method to dump the complete object graph of heap-allocated things.
* fp is the file for the dump output.
*/
extern JS_FRIEND_API(void)
DumpHeapComplete(JSRuntime *rt, FILE *fp);
#endif
class JS_FRIEND_API(AutoPreserveCompartment) {
private:
JSContext *cx;
JSCompartment *oldCompartment;
public:
AutoPreserveCompartment(JSContext *cx JS_GUARD_OBJECT_NOTIFIER_PARAM);
~AutoPreserveCompartment();
JS_DECL_USE_GUARD_OBJECT_NOTIFIER
};
class JS_FRIEND_API(AutoSwitchCompartment) {
private:
JSContext *cx;
JSCompartment *oldCompartment;
public:
AutoSwitchCompartment(JSContext *cx, JSCompartment *newCompartment
JS_GUARD_OBJECT_NOTIFIER_PARAM);
AutoSwitchCompartment(JSContext *cx, JSObject *target JS_GUARD_OBJECT_NOTIFIER_PARAM);
~AutoSwitchCompartment();
JS_DECL_USE_GUARD_OBJECT_NOTIFIER
};
#ifdef OLD_GETTER_SETTER_METHODS
JS_FRIEND_API(JSBool) obj_defineGetter(JSContext *cx, unsigned argc, js::Value *vp);
JS_FRIEND_API(JSBool) obj_defineSetter(JSContext *cx, unsigned argc, js::Value *vp);
#endif
extern JS_FRIEND_API(bool)
IsSystemCompartment(const JSCompartment *compartment);
extern JS_FRIEND_API(bool)
IsAtomsCompartment(const JSCompartment *c);
/*
* Check whether it is OK to assign an undeclared property with name
* propname of the global object in the current script on cx. Reports
* an error if one needs to be reported (in particular in all cases
* when it returns false).
*/
extern JS_FRIEND_API(bool)
CheckUndeclaredVarAssignment(JSContext *cx, JSString *propname);
struct WeakMapTracer;
/*
* Weak map tracer callback, called once for every binding of every
* weak map that was live at the time of the last garbage collection.
*
* m will be NULL if the weak map is not contained in a JS Object.
*/
typedef void
(* WeakMapTraceCallback)(WeakMapTracer *trc, JSObject *m,
void *k, JSGCTraceKind kkind,
void *v, JSGCTraceKind vkind);
struct WeakMapTracer {
JSRuntime *runtime;
WeakMapTraceCallback callback;
WeakMapTracer(JSRuntime *rt, WeakMapTraceCallback cb)
: runtime(rt), callback(cb) {}
};
extern JS_FRIEND_API(void)
TraceWeakMaps(WeakMapTracer *trc);
extern JS_FRIEND_API(bool)
GCThingIsMarkedGray(void *thing);
/*
* Shadow declarations of JS internal structures, for access by inline access
* functions below. Do not use these structures in any other way. When adding
* new fields for access by inline methods, make sure to add static asserts to
* the original header file to ensure that offsets are consistent.
*/
namespace shadow {
struct TypeObject {
JSObject *proto;
};
struct BaseShape {
js::Class *clasp;
JSObject *parent;
};
struct Shape {
BaseShape *base;
jsid _1;
uint32_t slotInfo;
static const uint32_t FIXED_SLOTS_SHIFT = 27;
};
struct Object {
Shape *shape;
TypeObject *type;
js::Value *slots;
js::Value *_1;
size_t numFixedSlots() const { return shape->slotInfo >> Shape::FIXED_SLOTS_SHIFT; }
Value *fixedSlots() const {
return (Value *)(uintptr_t(this) + sizeof(shadow::Object));
}
js::Value &slotRef(size_t slot) const {
size_t nfixed = numFixedSlots();
if (slot < nfixed)
return fixedSlots()[slot];
return slots[slot - nfixed];
}
};
struct Atom {
size_t _;
const jschar *chars;
};
} /* namespace shadow */
extern JS_FRIEND_DATA(js::Class) AnyNameClass;
extern JS_FRIEND_DATA(js::Class) AttributeNameClass;
extern JS_FRIEND_DATA(js::Class) CallClass;
extern JS_FRIEND_DATA(js::Class) DeclEnvClass;
extern JS_FRIEND_DATA(js::Class) FunctionClass;
extern JS_FRIEND_DATA(js::Class) FunctionProxyClass;
extern JS_FRIEND_DATA(js::Class) NamespaceClass;
extern JS_FRIEND_DATA(js::Class) OuterWindowProxyClass;
extern JS_FRIEND_DATA(js::Class) ObjectProxyClass;
extern JS_FRIEND_DATA(js::Class) QNameClass;
extern JS_FRIEND_DATA(js::Class) XMLClass;
extern JS_FRIEND_DATA(js::Class) ObjectClass;
inline js::Class *
GetObjectClass(const JSObject *obj)
{
return reinterpret_cast<const shadow::Object*>(obj)->shape->base->clasp;
}
inline JSClass *
GetObjectJSClass(const JSObject *obj)
{
return js::Jsvalify(GetObjectClass(obj));
}
JS_FRIEND_API(bool)
IsScopeObject(JSObject *obj);
inline JSObject *
GetObjectParent(JSObject *obj)
{
JS_ASSERT(!IsScopeObject(obj));
return reinterpret_cast<shadow::Object*>(obj)->shape->base->parent;
}
JS_FRIEND_API(JSObject *)
GetObjectParentMaybeScope(JSObject *obj);
JS_FRIEND_API(JSObject *)
GetGlobalForObjectCrossCompartment(JSObject *obj);
JS_FRIEND_API(bool)
IsOriginalScriptFunction(JSFunction *fun);
JS_FRIEND_API(JSFunction *)
DefineFunctionWithReserved(JSContext *cx, JSObject *obj, const char *name, JSNative call,
unsigned nargs, unsigned attrs);
JS_FRIEND_API(JSFunction *)
NewFunctionWithReserved(JSContext *cx, JSNative call, unsigned nargs, unsigned flags,
JSObject *parent, const char *name);
JS_FRIEND_API(JSFunction *)
NewFunctionByIdWithReserved(JSContext *cx, JSNative native, unsigned nargs, unsigned flags,
JSObject *parent, jsid id);
JS_FRIEND_API(JSObject *)
InitClassWithReserved(JSContext *cx, JSObject *obj, JSObject *parent_proto,
JSClass *clasp, JSNative constructor, unsigned nargs,
JSPropertySpec *ps, JSFunctionSpec *fs,
JSPropertySpec *static_ps, JSFunctionSpec *static_fs);
JS_FRIEND_API(const Value &)
GetFunctionNativeReserved(JSObject *fun, size_t which);
JS_FRIEND_API(void)
SetFunctionNativeReserved(JSObject *fun, size_t which, const Value &val);
inline JSObject *
GetObjectProto(JSObject *obj)
{
return reinterpret_cast<const shadow::Object*>(obj)->type->proto;
}
inline void *
GetObjectPrivate(JSObject *obj)
{
const shadow::Object *nobj = reinterpret_cast<const shadow::Object*>(obj);
void **addr = reinterpret_cast<void**>(&nobj->fixedSlots()[nobj->numFixedSlots()]);
return *addr;
}
/*
* Get a slot that is both reserved for object's clasp *and* is fixed (fits
* within the maximum capacity for the object's fixed slots).
*/
inline const Value &
GetReservedSlot(const JSObject *obj, size_t slot)
{
JS_ASSERT(slot < JSCLASS_RESERVED_SLOTS(GetObjectClass(obj)));
return reinterpret_cast<const shadow::Object *>(obj)->slotRef(slot);
}
JS_FRIEND_API(void)
SetReservedSlotWithBarrier(JSObject *obj, size_t slot, const Value &value);
inline void
SetReservedSlot(JSObject *obj, size_t slot, const Value &value)
{
JS_ASSERT(slot < JSCLASS_RESERVED_SLOTS(GetObjectClass(obj)));
shadow::Object *sobj = reinterpret_cast<shadow::Object *>(obj);
if (sobj->slotRef(slot).isMarkable())
SetReservedSlotWithBarrier(obj, slot, value);
else
sobj->slotRef(slot) = value;
}
JS_FRIEND_API(uint32_t)
GetObjectSlotSpan(JSObject *obj);
inline const Value &
GetObjectSlot(JSObject *obj, size_t slot)
{
JS_ASSERT(slot < GetObjectSlotSpan(obj));
return reinterpret_cast<const shadow::Object *>(obj)->slotRef(slot);
}
inline Shape *
GetObjectShape(JSObject *obj)
{
shadow::Shape *shape = reinterpret_cast<const shadow::Object*>(obj)->shape;
return reinterpret_cast<Shape *>(shape);
}
inline const jschar *
GetAtomChars(JSAtom *atom)
{
return reinterpret_cast<shadow::Atom *>(atom)->chars;
}
inline JSLinearString *
AtomToLinearString(JSAtom *atom)
{
return reinterpret_cast<JSLinearString *>(atom);
}
static inline js::PropertyOp
CastAsJSPropertyOp(JSObject *object)
{
return JS_DATA_TO_FUNC_PTR(js::PropertyOp, object);
}
static inline js::StrictPropertyOp
CastAsJSStrictPropertyOp(JSObject *object)
{
return JS_DATA_TO_FUNC_PTR(js::StrictPropertyOp, object);
}
JS_FRIEND_API(bool)
GetPropertyNames(JSContext *cx, JSObject *obj, unsigned flags, js::AutoIdVector *props);
JS_FRIEND_API(bool)
StringIsArrayIndex(JSLinearString *str, uint32_t *indexp);
JS_FRIEND_API(void)
SetPreserveWrapperCallback(JSRuntime *rt, PreserveWrapperCallback callback);
JS_FRIEND_API(bool)
IsObjectInContextCompartment(const JSObject *obj, const JSContext *cx);
/*
* NB: these flag bits are encoded into the bytecode stream in the immediate
* operand of JSOP_ITER, so don't change them without advancing jsxdrapi.h's
* JSXDR_BYTECODE_VERSION.
*/
#define JSITER_ENUMERATE 0x1 /* for-in compatible hidden default iterator */
#define JSITER_FOREACH 0x2 /* return [key, value] pair rather than key */
#define JSITER_KEYVALUE 0x4 /* destructuring for-in wants [key, value] */
#define JSITER_OWNONLY 0x8 /* iterate over obj's own properties only */
#define JSITER_HIDDEN 0x10 /* also enumerate non-enumerable properties */
#define JSITER_FOR_OF 0x20 /* harmony for-of loop */
inline uintptr_t
GetNativeStackLimit(const JSRuntime *rt)
{
return RuntimeFriendFields::get(rt)->nativeStackLimit;
}
#define JS_CHECK_RECURSION(cx, onerror) \
JS_BEGIN_MACRO \
int stackDummy_; \
if (!JS_CHECK_STACK_SIZE(js::GetNativeStackLimit(js::GetRuntime(cx)), &stackDummy_)) { \
js_ReportOverRecursed(cx); \
onerror; \
} \
JS_END_MACRO
JS_FRIEND_API(void)
StartPCCountProfiling(JSContext *cx);
JS_FRIEND_API(void)
StopPCCountProfiling(JSContext *cx);
JS_FRIEND_API(void)
PurgePCCounts(JSContext *cx);
JS_FRIEND_API(size_t)
GetPCCountScriptCount(JSContext *cx);
JS_FRIEND_API(JSString *)
GetPCCountScriptSummary(JSContext *cx, size_t script);
JS_FRIEND_API(JSString *)
GetPCCountScriptContents(JSContext *cx, size_t script);
#ifdef JS_THREADSAFE
JS_FRIEND_API(void *)
GetOwnerThread(const JSContext *cx);
JS_FRIEND_API(unsigned)
GetContextOutstandingRequests(const JSContext *cx);
class JS_FRIEND_API(AutoSkipConservativeScan)
{
public:
AutoSkipConservativeScan(JSContext *cx MOZ_GUARD_OBJECT_NOTIFIER_PARAM);
~AutoSkipConservativeScan();
private:
JSContext *context;
MOZ_DECL_USE_GUARD_OBJECT_NOTIFIER
};
#endif
JS_FRIEND_API(JSCompartment *)
GetContextCompartment(const JSContext *cx);
JS_FRIEND_API(bool)
HasUnrootedGlobal(const JSContext *cx);
typedef void
(* ActivityCallback)(void *arg, JSBool active);
/*
* Sets a callback that is run whenever the runtime goes idle - the
* last active request ceases - and begins activity - when it was
* idle and a request begins.
*/
JS_FRIEND_API(void)
SetActivityCallback(JSRuntime *rt, ActivityCallback cb, void *arg);
extern JS_FRIEND_API(const JSStructuredCloneCallbacks *)
GetContextStructuredCloneCallbacks(JSContext *cx);
extern JS_FRIEND_API(JSVersion)
VersionSetXML(JSVersion version, bool enable);
extern JS_FRIEND_API(bool)
CanCallContextDebugHandler(JSContext *cx);
extern JS_FRIEND_API(JSTrapStatus)
CallContextDebugHandler(JSContext *cx, JSScript *script, jsbytecode *bc, Value *rval);
extern JS_FRIEND_API(bool)
IsContextRunningJS(JSContext *cx);
class SystemAllocPolicy;
typedef Vector<JSCompartment*, 0, SystemAllocPolicy> CompartmentVector;
extern JS_FRIEND_API(const CompartmentVector&)
GetRuntimeCompartments(JSRuntime *rt);
extern JS_FRIEND_API(size_t)
SizeOfJSContext();
#define GCREASONS(D) \
/* Reasons internal to the JS engine */ \
D(API) \
D(MAYBEGC) \
D(LAST_CONTEXT) \
D(DESTROY_CONTEXT) \
D(LAST_DITCH) \
D(TOO_MUCH_MALLOC) \
D(ALLOC_TRIGGER) \
D(DEBUG_GC) \
D(UNUSED2) /* was SHAPE */ \
D(UNUSED3) /* was REFILL */ \
\
/* Reasons from Firefox */ \
D(DOM_WINDOW_UTILS) \
D(COMPONENT_UTILS) \
D(MEM_PRESSURE) \
D(CC_WAITING) \
D(CC_FORCED) \
D(LOAD_END) \
D(POST_COMPARTMENT) \
D(PAGE_HIDE) \
D(NSJSCONTEXT_DESTROY) \
D(SET_NEW_DOCUMENT) \
D(SET_DOC_SHELL) \
D(DOM_UTILS) \
D(DOM_IPC) \
D(DOM_WORKER) \
D(INTER_SLICE_GC) \
D(REFRESH_FRAME)
namespace gcreason {
/* GCReasons will end up looking like JSGC_MAYBEGC */
enum Reason {
#define MAKE_REASON(name) name,
GCREASONS(MAKE_REASON)
#undef MAKE_REASON
NO_REASON,
NUM_REASONS
};
} /* namespace gcreason */
extern JS_FRIEND_API(void)
GCForReason(JSContext *cx, gcreason::Reason reason);
extern JS_FRIEND_API(void)
CompartmentGCForReason(JSContext *cx, JSCompartment *comp, gcreason::Reason reason);
extern JS_FRIEND_API(void)
ShrinkingGC(JSContext *cx, gcreason::Reason reason);
extern JS_FRIEND_API(void)
IncrementalGC(JSContext *cx, gcreason::Reason reason);
extern JS_FRIEND_API(void)
SetGCSliceTimeBudget(JSContext *cx, int64_t millis);
enum GCProgress {
/*
* During non-incremental GC, the GC is bracketed by JSGC_CYCLE_BEGIN/END
* callbacks. During an incremental GC, the sequence of callbacks is as
* follows:
* JSGC_CYCLE_BEGIN, JSGC_SLICE_END (first slice)
* JSGC_SLICE_BEGIN, JSGC_SLICE_END (second slice)
* ...
* JSGC_SLICE_BEGIN, JSGC_CYCLE_END (last slice)
*/
GC_CYCLE_BEGIN,
GC_SLICE_BEGIN,
GC_SLICE_END,
GC_CYCLE_END
};
struct GCDescription {
const char *logMessage;
bool isCompartment;
GCDescription(const char *msg, bool isCompartment)
: logMessage(msg), isCompartment(isCompartment) {}
};
typedef void
(* GCSliceCallback)(JSRuntime *rt, GCProgress progress, const GCDescription &desc);
extern JS_FRIEND_API(GCSliceCallback)
SetGCSliceCallback(JSRuntime *rt, GCSliceCallback callback);
extern JS_FRIEND_API(bool)
WantGCSlice(JSRuntime *rt);
/*
* Signals a good place to do an incremental slice, because the browser is
* drawing a frame.
*/
extern JS_FRIEND_API(void)
NotifyDidPaint(JSContext *cx);
extern JS_FRIEND_API(bool)
IsIncrementalGCEnabled(JSRuntime *rt);
extern JS_FRIEND_API(void)
DisableIncrementalGC(JSRuntime *rt);
extern JS_FRIEND_API(bool)
IsIncrementalBarrierNeeded(JSRuntime *rt);
extern JS_FRIEND_API(bool)
IsIncrementalBarrierNeeded(JSContext *cx);
extern JS_FRIEND_API(bool)
IsIncrementalBarrierNeededOnObject(JSObject *obj);
extern JS_FRIEND_API(void)
IncrementalReferenceBarrier(void *ptr);
extern JS_FRIEND_API(void)
IncrementalValueBarrier(const Value &v);
class ObjectPtr
{
JSObject *value;
public:
ObjectPtr() : value(NULL) {}
ObjectPtr(JSObject *obj) : value(obj) {}
/* Always call finalize before the destructor. */
~ObjectPtr() { JS_ASSERT(!value); }
void finalize(JSRuntime *rt) {
if (IsIncrementalBarrierNeeded(rt))
IncrementalReferenceBarrier(value);
value = NULL;
}
void finalize(JSContext *cx) { finalize(JS_GetRuntime(cx)); }
void init(JSObject *obj) { value = obj; }
JSObject *get() const { return value; }
void writeBarrierPre(JSRuntime *rt) {
IncrementalReferenceBarrier(value);
}
ObjectPtr &operator=(JSObject *obj) {
IncrementalReferenceBarrier(value);
value = obj;
return *this;
}
JSObject &operator*() const { return *value; }
JSObject *operator->() const { return value; }
operator JSObject *() const { return value; }
};
extern JS_FRIEND_API(JSObject *)
GetTestingFunctions(JSContext *cx);
} /* namespace js */
#endif
/* Implemented in jsdate.cpp. */
/*
* Detect whether the internal date value is NaN. (Because failure is
* out-of-band for js_DateGet*)
*/
extern JS_FRIEND_API(JSBool)
js_DateIsValid(JSContext *cx, JSObject* obj);
extern JS_FRIEND_API(double)
js_DateGetMsecSinceEpoch(JSContext *cx, JSObject *obj);
/* Implemented in jscntxt.cpp. */
/*
* Report an exception, which is currently realized as a printf-style format
* string and its arguments.
*/
typedef enum JSErrNum {
#define MSG_DEF(name, number, count, exception, format) \
name = number,
#include "js.msg"
#undef MSG_DEF
JSErr_Limit
} JSErrNum;
extern JS_FRIEND_API(const JSErrorFormatString *)
js_GetErrorMessage(void *userRef, const char *locale, const unsigned errorNumber);
/* Implemented in jsclone.cpp. */
extern JS_FRIEND_API(uint64_t)
js_GetSCOffset(JSStructuredCloneWriter* writer);
#endif /* jsfriendapi_h___ */
Reference in New Issue View Git Blame Copy Permalink