jsatom.h

java script test programing source code

        JSAtom          *parseFloatAtom;
        JSAtom          *parseIntAtom;
        JSAtom          *propertyIsEnumerableAtom;
        JSAtom          *unescapeAtom;
        JSAtom          *unevalAtom;
        JSAtom          *unwatchAtom;
        JSAtom          *watchAtom;
    } lazy;

#ifdef JS_THREADSAFE
    JSThinLock          lock;
    volatile uint32     tablegen;
#endif
#ifdef NARCISSUS
    JSAtom              *callAtom;
    JSAtom              *constructAtom;
    JSAtom              *hasInstanceAtom;
    JSAtom              *ExecutionContextAtom;
    JSAtom              *currentAtom;
#endif
};

#define CLASS_ATOM(cx,name) \
    ((cx)->runtime->atomState.classAtoms[JSProto_##name])

/* Well-known predefined strings and their atoms. */
extern const char   *js_type_strs[];
extern const char   *js_boolean_strs[];
extern const char   *js_proto_strs[];

#define JS_PROTO(name,code,init) extern const char js_##name##_str[];
#include "jsproto.tbl"
#undef JS_PROTO

extern const char   js_anonymous_str[];
extern const char   js_arguments_str[];
extern const char   js_arity_str[];
extern const char   js_callee_str[];
extern const char   js_caller_str[];
extern const char   js_class_prototype_str[];
extern const char   js_close_str[];
extern const char   js_constructor_str[];
extern const char   js_count_str[];
extern const char   js_etago_str[];
extern const char   js_each_str[];
extern const char   js_eval_str[];
extern const char   js_fileName_str[];
extern const char   js_get_str[];
extern const char   js_getter_str[];
extern const char   js_index_str[];
extern const char   js_input_str[];
extern const char   js_iterator_str[];
extern const char   js_length_str[];
extern const char   js_lineNumber_str[];
extern const char   js_message_str[];
extern const char   js_name_str[];
extern const char   js_namespace_str[];
extern const char   js_next_str[];
extern const char   js_noSuchMethod_str[];
extern const char   js_object_str[];
extern const char   js_parent_str[];
extern const char   js_private_str[];
extern const char   js_proto_str[];
extern const char   js_ptagc_str[];
extern const char   js_qualifier_str[];
extern const char   js_send_str[];
extern const char   js_setter_str[];
extern const char   js_set_str[];
extern const char   js_space_str[];
extern const char   js_stack_str[];
extern const char   js_stago_str[];
extern const char   js_star_str[];
extern const char   js_starQualifier_str[];
extern const char   js_tagc_str[];
extern const char   js_toSource_str[];
extern const char   js_toString_str[];
extern const char   js_toLocaleString_str[];
extern const char   js_valueOf_str[];
extern const char   js_xml_str[];

#ifdef NARCISSUS
extern const char   js_call_str[];
extern const char   js_construct_str[];
extern const char   js_hasInstance_str[];
extern const char   js_ExecutionContext_str[];
extern const char   js_current_str[];
#endif

/*
 * Initialize atom state.  Return true on success, false with an out of
 * memory error report on failure.
 */
extern JSBool
js_InitAtomState(JSContext *cx, JSAtomState *state);

/*
 * Free and clear atom state (except for any interned string atoms).
 */
extern void
js_FreeAtomState(JSContext *cx, JSAtomState *state);

/*
 * Interned strings are atoms that live until state's runtime is destroyed.
 * This function frees all interned string atoms, and then frees and clears
 * state's members (just as js_FreeAtomState does), unless there aren't any
 * interned strings in state -- in which case state must be "free" already.
 *
 * NB: js_FreeAtomState is called for each "last" context being destroyed in
 * a runtime, where there may yet be another context created in the runtime;
 * whereas js_FinishAtomState is called from JS_DestroyRuntime, when we know
 * that no more contexts will be created.  Thus we minimize garbage during
 * context-free episodes on a runtime, while preserving atoms created by the
 * JS_Intern*String APIs for the life of the runtime.
 */
extern void
js_FinishAtomState(JSAtomState *state);

/*
 * Atom garbage collection hooks.
 */
typedef void
(*JSGCThingMarker)(void *thing, void *data);

extern void
js_MarkAtomState(JSAtomState *state, JSBool keepAtoms, JSGCThingMarker mark,
                 void *data);

extern void
js_SweepAtomState(JSAtomState *state);

extern JSBool
js_InitPinnedAtoms(JSContext *cx, JSAtomState *state);

extern void
js_UnpinPinnedAtoms(JSAtomState *state);

/*
 * Find or create the atom for an object.  If we create a new atom, give it the
 * type indicated in flags.  Return 0 on failure to allocate memory.
 */
extern JSAtom *
js_AtomizeObject(JSContext *cx, JSObject *obj, uintN flags);

/*
 * Find or create the atom for a Boolean value.  If we create a new atom, give
 * it the type indicated in flags.  Return 0 on failure to allocate memory.
 */
extern JSAtom *
js_AtomizeBoolean(JSContext *cx, JSBool b, uintN flags);

/*
 * Find or create the atom for an integer value.  If we create a new atom, give
 * it the type indicated in flags.  Return 0 on failure to allocate memory.
 */
extern JSAtom *
js_AtomizeInt(JSContext *cx, jsint i, uintN flags);

/*
 * Find or create the atom for a double value.  If we create a new atom, give
 * it the type indicated in flags.  Return 0 on failure to allocate memory.
 */
extern JSAtom *
js_AtomizeDouble(JSContext *cx, jsdouble d, uintN flags);

/*
 * Find or create the atom for a string.  If we create a new atom, give it the
 * type indicated in flags.  Return 0 on failure to allocate memory.
 */
extern JSAtom *
js_AtomizeString(JSContext *cx, JSString *str, uintN flags);

extern JS_FRIEND_API(JSAtom *)
js_Atomize(JSContext *cx, const char *bytes, size_t length, uintN flags);

extern JS_FRIEND_API(JSAtom *)
js_AtomizeChars(JSContext *cx, const jschar *chars, size_t length, uintN flags);

/*
 * Return an existing atom for the given char array or null if the char
 * sequence is currently not atomized.
 */
extern JSAtom *
js_GetExistingStringAtom(JSContext *cx, const jschar *chars, size_t length);

/*
 * This variant handles all value tag types.
 */
extern JSAtom *
js_AtomizeValue(JSContext *cx, jsval value, uintN flags);

/*
 * Convert v to an atomized string.
 */
extern JSAtom *
js_ValueToStringAtom(JSContext *cx, jsval v);

/*
 * Assign atom an index and insert it on al.
 */
extern JSAtomListElement *
js_IndexAtom(JSContext *cx, JSAtom *atom, JSAtomList *al);

/*
 * Get the atom with index i from map.
 */
extern JS_FRIEND_API(JSAtom *)
js_GetAtom(JSContext *cx, JSAtomMap *map, jsatomid i);

/*
 * For all unmapped atoms recorded in al, add a mapping from the atom's index
 * to its address.  The GC must not run until all indexed atoms in atomLists
 * have been mapped by scripts connected to live objects (Function and Script
 * class objects have scripts as/in their private data -- the GC knows about
 * these two classes).
 */
extern JS_FRIEND_API(JSBool)
js_InitAtomMap(JSContext *cx, JSAtomMap *map, JSAtomList *al);

/*
 * Free map->vector and clear map.
 */
extern JS_FRIEND_API(void)
js_FreeAtomMap(JSContext *cx, JSAtomMap *map);

JS_END_EXTERN_C

#endif /* jsatom_h___ */