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[Bug 429739] proper handling of __noSuchMethod__ when it is invoked as constructor. r=brendan a1.9=dsicore

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This commit is contained in:
igor@mir2.org 2008-04-29 14:17:11 -07:00
parent 7835ee45d7
commit e34384934d
3 changed files with 32 additions and 18 deletions
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2
js/src/jsfun.c
View File

@ -1720,7 +1720,7 @@ fun_applyConstructor(JSContext *cx, uintN argc, jsval *vp)
sp++;
}
ok = js_InvokeConstructor(cx, invokevp, length);
ok = js_InvokeConstructor(cx, length, invokevp);
*vp = *invokevp;
out:
js_FreeStack(cx, mark);

46
js/src/jsinterp.c
View File

@ -852,6 +852,9 @@ js_ComputeThis(JSContext *cx, JSBool lazy, jsval *argv)
#if JS_HAS_NO_SUCH_METHOD
#define JSSLOT_FOUND_FUNCTION JSSLOT_PRIVATE
#define JSSLOT_SAVED_ID (JSSLOT_PRIVATE + 1)
JSClass js_NoSuchMethodClass = {
"NoSuchMethod",
JSCLASS_HAS_RESERVED_SLOTS(2) | JSCLASS_IS_ANONYMOUS |
@ -939,8 +942,8 @@ js_OnUnknownMethod(JSContext *cx, jsval *vp)
ok = JS_FALSE;
goto out;
}
STOBJ_SET_SLOT(obj, JSSLOT_PRIVATE, tvr.u.value);
STOBJ_SET_SLOT(obj, JSSLOT_PRIVATE + 1, vp[0]);
obj->fslots[JSSLOT_FOUND_FUNCTION] = tvr.u.value;
obj->fslots[JSSLOT_SAVED_ID] = vp[0];
vp[0] = OBJECT_TO_JSVAL(obj);
}
ok = JS_TRUE;
@ -953,24 +956,35 @@ js_OnUnknownMethod(JSContext *cx, jsval *vp)
static JSBool
NoSuchMethod(JSContext *cx, uintN argc, jsval *vp, uint32 flags)
{
JSObject *obj, *thisp, *argsobj;
jsval fval, idval, args[2];
jsval *invokevp;
void *mark;
JSBool ok;
JSObject *obj, *argsobj;
invokevp = js_AllocStack(cx, 2 + 2, &mark);
if (!invokevp)
return JS_FALSE;
JS_ASSERT(!JSVAL_IS_PRIMITIVE(vp[0]));
JS_ASSERT(!JSVAL_IS_PRIMITIVE(vp[1]));
obj = JSVAL_TO_OBJECT(vp[0]);
JS_ASSERT(STOBJ_GET_CLASS(obj) == &js_NoSuchMethodClass);
fval = OBJ_GET_SLOT(cx, obj, JSSLOT_PRIVATE);
idval = OBJ_GET_SLOT(cx, obj, JSSLOT_PRIVATE + 1);
JS_ASSERT(!JSVAL_IS_PRIMITIVE(vp[1]));
thisp = JSVAL_TO_OBJECT(vp[1]);
args[0] = idval;
invokevp[0] = obj->fslots[JSSLOT_FOUND_FUNCTION];
invokevp[1] = vp[1];
invokevp[2] = obj->fslots[JSSLOT_SAVED_ID];
argsobj = js_NewArrayObject(cx, argc, vp + 2);
if (!argsobj)
return JS_FALSE;
args[1] = OBJECT_TO_JSVAL(argsobj);
return js_InternalInvoke(cx, thisp, fval, flags, 2, args, &vp[0]);
if (!argsobj) {
ok = JS_FALSE;
} else {
invokevp[3] = OBJECT_TO_JSVAL(argsobj);
ok = (flags & JSINVOKE_CONSTRUCT)
? js_InvokeConstructor(cx, 2, invokevp)
: js_Invoke(cx, 2, invokevp, flags);
vp[0] = invokevp[0];
}
js_FreeStack(cx, mark);
return ok;
}
#endif /* JS_HAS_NO_SUCH_METHOD */
@ -1795,7 +1809,7 @@ js_StrictlyEqual(JSContext *cx, jsval lval, jsval rval)
}
JSBool
js_InvokeConstructor(JSContext *cx, jsval *vp, uintN argc)
js_InvokeConstructor(JSContext *cx, uintN argc, jsval *vp)
{
JSFunction *fun, *fun2;
JSObject *obj, *obj2, *proto, *parent;
@ -3797,7 +3811,7 @@ interrupt:
vp = regs.sp - (2 + argc);
JS_ASSERT(vp >= fp->spbase);
if (!js_InvokeConstructor(cx, vp, argc))
if (!js_InvokeConstructor(cx, argc, vp))
goto error;
regs.sp = vp + 1;
LOAD_INTERRUPT_HANDLER(cx);

2
js/src/jsinterp.h
View File

@ -455,7 +455,7 @@ js_Execute(JSContext *cx, JSObject *chain, JSScript *script,
JSStackFrame *down, uintN flags, jsval *result);
extern JSBool
js_InvokeConstructor(JSContext *cx, jsval *vp, uintN argc);
js_InvokeConstructor(JSContext *cx, uintN argc, jsval *vp);
extern JSBool
js_Interpret(JSContext *cx);