/* |callee| requires a usage string provided by JS_DefineFunctionsWithHelp. */
void
js::ReportUsageError(JSContext *cx, HandleObject callee, const char *msg)
{
const char *usageStr = "usage";
PropertyName *usageAtom = Atomize(cx, usageStr, strlen(usageStr))->asPropertyName();
RootedId id(cx, NameToId(usageAtom));
DebugOnly<Shape *> shape = static_cast<Shape *>(callee->nativeLookup(cx, id));
JS_ASSERT(!shape->configurable());
JS_ASSERT(!shape->writable());
JS_ASSERT(shape->hasDefaultGetter());
RootedValue usage(cx);
if (!JS_LookupProperty(cx, callee, "usage", &usage))
return;
if (usage.isUndefined()) {
JS_ReportError(cx, "%s", msg);
} else {
JSString *str = usage.toString();
JS::Anchor<JSString *> a_str(str);
const jschar *chars = JS_GetStringCharsZ(cx, str);
if (!chars)
return;
JS_ReportError(cx, "%s. Usage: %hs", msg, chars);
}
}
/* |callee| requires a usage string provided by JS_DefineFunctionsWithHelp. */
void
js::ReportUsageError(JSContext *cx, HandleObject callee, const char *msg)
{
const char *usageStr = "usage";
PropertyName *usageAtom = Atomize(cx, usageStr, strlen(usageStr))->asPropertyName();
RootedId id(cx, NameToId(usageAtom));
DebugOnly<Shape *> shape = static_cast<Shape *>(callee->as<NativeObject>().lookup(cx, id));
MOZ_ASSERT(!shape->configurable());
MOZ_ASSERT(!shape->writable());
MOZ_ASSERT(shape->hasDefaultGetter());
RootedValue usage(cx);
if (!JS_LookupProperty(cx, callee, "usage", &usage))
return;
if (usage.isUndefined()) {
JS_ReportError(cx, "%s", msg);
} else {
JSString *str = usage.toString();
if (!str->ensureFlat(cx))
return;
AutoStableStringChars chars(cx);
if (!chars.initTwoByte(cx, str))
return;
JS_ReportError(cx, "%s. Usage: %hs", msg, chars.twoByteRange().start().get());
}
}
/* |callee| requires a usage string provided by JS_DefineFunctionsWithHelp. */
void
ReportUsageError(JSContext *cx, JSObject *callee, const char *msg)
{
const char *usageStr = "usage";
PropertyName *usageAtom = js_Atomize(cx, usageStr, strlen(usageStr))->asPropertyName();
DebugOnly<Shape *> shape = callee->nativeLookup(cx, NameToId(usageAtom));
JS_ASSERT(!shape->configurable());
JS_ASSERT(!shape->writable());
JS_ASSERT(shape->hasDefaultGetter());
jsval usage;
if (!JS_LookupProperty(cx, callee, "usage", &usage))
return;
if (JSVAL_IS_VOID(usage)) {
JS_ReportError(cx, "%s", msg);
} else {
JSString *str = JSVAL_TO_STRING(usage);
JS::Anchor<JSString *> a_str(str);
const jschar *chars = JS_GetStringCharsZ(cx, str);
if (!chars)
return;
JS_ReportError(cx, "%s. Usage: %hs", msg, chars);
}
}
/* |callee| requires a usage string provided by JS_DefineFunctionsWithHelp. */
void
js::ReportUsageErrorASCII(JSContext* cx, HandleObject callee, const char* msg)
{
const char* usageStr = "usage";
PropertyName* usageAtom = Atomize(cx, usageStr, strlen(usageStr))->asPropertyName();
RootedId id(cx, NameToId(usageAtom));
DebugOnly<Shape*> shape = static_cast<Shape*>(callee->as<JSFunction>().lookup(cx, id));
MOZ_ASSERT(!shape->configurable());
MOZ_ASSERT(!shape->writable());
MOZ_ASSERT(shape->hasDefaultGetter());
RootedValue usage(cx);
if (!JS_GetProperty(cx, callee, "usage", &usage))
return;
if (!usage.isString()) {
JS_ReportErrorASCII(cx, "%s", msg);
} else {
RootedString usageStr(cx, usage.toString());
JSAutoByteString str;
if (!str.encodeUtf8(cx, usageStr))
return;
JS_ReportErrorUTF8(cx, "%s. Usage: %s", msg, str.ptr());
}
}