C++ (Cpp) JSString::dumpCharsNoNewline示例

示例#1

文件： SelfHosting.cpp 项目： L2-D2/gecko-dev

/**
 * Handles an assertion failure in self-hosted code just like an assertion
 * failure in C++ code. Information about the failure can be provided in args[0].
 */
static bool
intrinsic_AssertionFailed(JSContext *cx, unsigned argc, Value *vp)
{
#ifdef DEBUG
    CallArgs args = CallArgsFromVp(argc, vp);
    if (args.length() > 0) {
        // try to dump the informative string
        JSString *str = ToString<CanGC>(cx, args[0]);
        if (str) {
            fprintf(stderr, "Self-hosted JavaScript assertion info: ");
            str->dumpCharsNoNewline();
            fputc('\n', stderr);
        }
    }
#endif
    JS_ASSERT(false);
    return false;
}