C++ (Cpp) DebugOnly::writable 예제들

예제 #1

파일: jscntxt.cpp 프로젝트: nightahul/gecko-dev

/* |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);
    }
}

예제 #2

파일: jscntxt.cpp 프로젝트: marshall/gecko-dev

/* |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());
    }
}

예제 #3

파일: jscntxt.cpp 프로젝트: CrtronicsStudio/spidermonkey

/* |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);
    }
}

예제 #4

파일: jscntxt.cpp 프로젝트: MichaelKohler/gecko-dev

/* |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());
    }
}