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vcf/JavaScriptKit/js-impl/jsscope.h File Reference


Classes

struct  JSScope
struct  JSScopeProperty

Defines

#define OBJ_SCOPE(obj)   ((JSScope *)(obj)->map)
#define SCOPE_CAPACITY(scope)   JS_BIT(JS_DHASH_BITS-(scope)->hashShift)
#define SCOPE_MIDDLE_DELETE   0x0001
#define SCOPE_SEALED   0x0002
#define SCOPE_HAD_MIDDLE_DELETE(scope)   ((scope)->flags & SCOPE_MIDDLE_DELETE)
#define SCOPE_SET_MIDDLE_DELETE(scope)   ((scope)->flags |= SCOPE_MIDDLE_DELETE)
#define SCOPE_CLR_MIDDLE_DELETE(scope)   ((scope)->flags &= ~SCOPE_MIDDLE_DELETE)
#define SCOPE_IS_SEALED(scope)   ((scope)->flags & SCOPE_SEALED)
#define SCOPE_SET_SEALED(scope)   ((scope)->flags |= SCOPE_SEALED)
#define SCOPE_LAST_PROP(scope)   ((scope)->lastProp)
#define SCOPE_REMOVE_LAST_PROP(scope)
#define SPROP_COLLISION   ((jsuword)1)
#define SPROP_REMOVED   ((JSScopeProperty *) SPROP_COLLISION)
#define SPROP_IS_FREE(sprop)   ((sprop) == NULL)
#define SPROP_IS_REMOVED(sprop)   ((sprop) == SPROP_REMOVED)
#define SPROP_IS_LIVE(sprop)   ((sprop) > SPROP_REMOVED)
#define SPROP_FLAG_COLLISION(spp, sprop)
#define SPROP_HAD_COLLISION(sprop)   ((jsuword)(sprop) & SPROP_COLLISION)
#define SPROP_FETCH(spp)   SPROP_CLEAR_COLLISION(*(spp))
#define SPROP_CLEAR_COLLISION(sprop)   ((JSScopeProperty *) ((jsuword)(sprop) & ~SPROP_COLLISION))
#define SPROP_STORE_PRESERVING_COLLISION(spp, sprop)
#define SPROP_MARK   0x01
#define SPROP_IS_DUPLICATE   0x02
#define SPROP_IS_ALIAS   0x04
#define SPROP_HAS_SHORTID   0x08
#define SPROP_IS_HIDDEN   0x10
#define SPROP_USERID(sprop)
#define SPROP_INVALID_SLOT   0xffffffff
#define SPROP_HAS_VALID_SLOT(sprop, scope)   ((sprop)->slot < (scope)->map.freeslot)
#define SPROP_HAS_STUB_GETTER(sprop)   (!(sprop)->getter)
#define SPROP_HAS_STUB_SETTER(sprop)   (!(sprop)->setter)
#define SPROP_CALL_GETTER(cx, sprop, getter, obj, obj2, vp)
#define SPROP_CALL_SETTER(cx, sprop, setter, obj, obj2, vp)
#define SPROP_GET(cx, sprop, obj, obj2, vp)
#define SPROP_SET(cx, sprop, obj, obj2, vp)
#define SPROP_IS_SHARED_PERMANENT(sprop)   ((~(sprop)->attrs & (JSPROP_SHARED | JSPROP_PERMANENT)) == 0)
#define ID_TO_VALUE(id)
#define HASH_ID(id)
#define SCOPE_GET_PROPERTY(scope, id)   SPROP_FETCH(js_SearchScope(scope, id, JS_FALSE))
#define SCOPE_HAS_PROPERTY(scope, sprop)   (SCOPE_GET_PROPERTY(scope, (sprop)->id) == (sprop))
#define MARK_SCOPE_PROPERTY(sprop)   ((sprop)->flags |= SPROP_MARK)

Functions

JSScope * js_GetMutableScope (JSContext *cx, JSObject *obj)
JSScope * js_NewScope (JSContext *cx, jsrefcount nrefs, JSObjectOps *ops, JSClass *clasp, JSObject *obj)
void js_DestroyScope (JSContext *cx, JSScope *scope)
 JS_FRIEND_API (JSScopeProperty **) js_SearchScope(JSScope *scope
JSScopeProperty * js_AddScopeProperty (JSContext *cx, JSScope *scope, jsid id, JSPropertyOp getter, JSPropertyOp setter, uint32 slot, uintN attrs, uintN flags, intN shortid)
JSScopeProperty * js_ChangeScopePropertyAttrs (JSContext *cx, JSScope *scope, JSScopeProperty *sprop, uintN attrs, uintN mask, JSPropertyOp getter, JSPropertyOp setter)
JSBool js_RemoveScopeProperty (JSContext *cx, JSScope *scope, jsid id)
void js_ClearScope (JSContext *cx, JSScope *scope)
void js_SweepScopeProperties (JSRuntime *rt)
JSBool js_InitPropertyTree (JSRuntime *rt)
void js_FinishPropertyTree (JSRuntime *rt)

Variables

jsid id
jsid JSBool adding

Define Documentation

#define HASH_ID (  id   ) 
 

Value:

(JSID_IS_ATOM(id) ? JSID_TO_ATOM(id)->number :        \
                         JSID_IS_OBJECT(id) ? (jsatomid) JSID_CLRTAG(id) :    \
                         (jsatomid) JSID_TO_INT(id))

#define ID_TO_VALUE (  id   ) 
 

Value:

(JSID_IS_ATOM(id) ? ATOM_JSID_TO_JSVAL(id) :          \
                         JSID_IS_OBJECT(id) ? OBJECT_JSID_TO_JSVAL(id) :      \
                         (jsval)(id))

#define MARK_SCOPE_PROPERTY (  sprop   )     ((sprop)->flags |= SPROP_MARK)
 

#define OBJ_SCOPE (  obj   )     ((JSScope *)(obj)->map)
 

#define SCOPE_CAPACITY (  scope   )     JS_BIT(JS_DHASH_BITS-(scope)->hashShift)
 

#define SCOPE_CLR_MIDDLE_DELETE (  scope   )     ((scope)->flags &= ~SCOPE_MIDDLE_DELETE)
 

#define SCOPE_GET_PROPERTY (  scope,
id   )     SPROP_FETCH(js_SearchScope(scope, id, JS_FALSE))
 

#define SCOPE_HAD_MIDDLE_DELETE (  scope   )     ((scope)->flags & SCOPE_MIDDLE_DELETE)
 

#define SCOPE_HAS_PROPERTY (  scope,
sprop   )     (SCOPE_GET_PROPERTY(scope, (sprop)->id) == (sprop))
 

#define SCOPE_IS_SEALED (  scope   )     ((scope)->flags & SCOPE_SEALED)
 

#define SCOPE_LAST_PROP (  scope   )     ((scope)->lastProp)
 

#define SCOPE_MIDDLE_DELETE   0x0001
 

#define SCOPE_REMOVE_LAST_PROP (  scope   ) 
 

Value:

((scope)->lastProp =                  \
                                         (scope)->lastProp->parent)

#define SCOPE_SEALED   0x0002
 

#define SCOPE_SET_MIDDLE_DELETE (  scope   )     ((scope)->flags |= SCOPE_MIDDLE_DELETE)
 

#define SCOPE_SET_SEALED (  scope   )     ((scope)->flags |= SCOPE_SEALED)
 

#define SPROP_CALL_GETTER (  cx,
sprop,
getter,
obj,
obj2,
vp   ) 
 

Value:

(!(getter) ||                                                             \
     (getter)(cx, OBJ_THIS_OBJECT(cx,obj), SPROP_USERID(sprop), vp))

#define SPROP_CALL_SETTER (  cx,
sprop,
setter,
obj,
obj2,
vp   ) 
 

Value:

(!(setter) ||                                                             \
     (setter)(cx, OBJ_THIS_OBJECT(cx,obj), SPROP_USERID(sprop), vp))

#define SPROP_CLEAR_COLLISION (  sprop   )     ((JSScopeProperty *) ((jsuword)(sprop) & ~SPROP_COLLISION))
 

#define SPROP_COLLISION   ((jsuword)1)
 

#define SPROP_FETCH (  spp   )     SPROP_CLEAR_COLLISION(*(spp))
 

#define SPROP_FLAG_COLLISION (  spp,
sprop   ) 
 

Value:

(*(spp) = (JSScopeProperty *)         \
                                         ((jsuword)(sprop) | SPROP_COLLISION))

#define SPROP_GET (  cx,
sprop,
obj,
obj2,
vp   ) 
 

Value:

(((sprop)->attrs & JSPROP_GETTER)                                         \
     ? js_InternalGetOrSet(cx, obj, (sprop)->id,                              \
                           OBJECT_TO_JSVAL((sprop)->getter), JSACC_READ,      \
                           0, 0, vp)                                          \
     : SPROP_CALL_GETTER(cx, sprop, (sprop)->getter, obj, obj2, vp))

#define SPROP_HAD_COLLISION (  sprop   )     ((jsuword)(sprop) & SPROP_COLLISION)
 

#define SPROP_HAS_SHORTID   0x08
 

#define SPROP_HAS_STUB_GETTER (  sprop   )     (!(sprop)->getter)
 

#define SPROP_HAS_STUB_SETTER (  sprop   )     (!(sprop)->setter)
 

#define SPROP_HAS_VALID_SLOT (  sprop,
scope   )     ((sprop)->slot < (scope)->map.freeslot)
 

#define SPROP_INVALID_SLOT   0xffffffff
 

#define SPROP_IS_ALIAS   0x04
 

#define SPROP_IS_DUPLICATE   0x02
 

#define SPROP_IS_FREE (  sprop   )     ((sprop) == NULL)
 

#define SPROP_IS_HIDDEN   0x10
 

#define SPROP_IS_LIVE (  sprop   )     ((sprop) > SPROP_REMOVED)
 

#define SPROP_IS_REMOVED (  sprop   )     ((sprop) == SPROP_REMOVED)
 

#define SPROP_IS_SHARED_PERMANENT (  sprop   )     ((~(sprop)->attrs & (JSPROP_SHARED | JSPROP_PERMANENT)) == 0)
 

#define SPROP_MARK   0x01
 

#define SPROP_REMOVED   ((JSScopeProperty *) SPROP_COLLISION)
 

#define SPROP_SET (  cx,
sprop,
obj,
obj2,
vp   ) 
 

Value:

(((sprop)->attrs & JSPROP_SETTER)                                         \
     ? js_InternalGetOrSet(cx, obj, (sprop)->id,                              \
                           OBJECT_TO_JSVAL((sprop)->setter), JSACC_WRITE,     \
                           1, vp, vp)                                         \
     : ((sprop)->attrs & JSPROP_GETTER)                                       \
     ? (JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL,                    \
                             JSMSG_GETTER_ONLY, NULL), JS_FALSE)              \
     : SPROP_CALL_SETTER(cx, sprop, (sprop)->setter, obj, obj2, vp))

#define SPROP_STORE_PRESERVING_COLLISION (  spp,
sprop   ) 
 

Value:

(*(spp) = (JSScopeProperty *) ((jsuword)(sprop)                           \
                                   | SPROP_HAD_COLLISION(*(spp))))

#define SPROP_USERID (  sprop   ) 
 

Value:

(((sprop)->flags & SPROP_HAS_SHORTID) ? INT_TO_JSVAL((sprop)->shortid)    \
                                          : ID_TO_VALUE((sprop)->id))

Function Documentation

JSScopeProperty* js_AddScopeProperty (  JSContext *  cx,
JSScope *  scope,
jsid  id,
JSPropertyOp  getter,
JSPropertyOp  setter,
uint32  slot,
uintN  attrs,
uintN  flags,
intN  shortid
) 
 

JSScopeProperty* js_ChangeScopePropertyAttrs (  JSContext *  cx,
JSScope *  scope,
JSScopeProperty *  sprop,
uintN  attrs,
uintN  mask,
JSPropertyOp  getter,
JSPropertyOp  setter
) 
 

void js_ClearScope (  JSContext *  cx,
JSScope *  scope
) 
 

void js_DestroyScope (  JSContext *  cx,
JSScope *  scope
) 
 

void js_FinishPropertyTree (  JSRuntime *  rt  ) 
 

JS_FRIEND_API (  JSScopeProperty **   ) 
 

JSScope* js_GetMutableScope (  JSContext *  cx,
JSObject *  obj
) 
 

JSBool js_InitPropertyTree (  JSRuntime *  rt  ) 
 

JSScope* js_NewScope (  JSContext *  cx,
jsrefcount  nrefs,
JSObjectOps *  ops,
JSClass *  clasp,
JSObject *  obj
) 
 

JSBool js_RemoveScopeProperty (  JSContext *  cx,
JSScope *  scope,
jsid  id
) 
 

void js_SweepScopeProperties (  JSRuntime *  rt  ) 
 

Variable Documentation

jsid JSBool adding
 

jsid id
 

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