Esempi in C++ (Cpp) per SnapshotIterator::maybeRead

Esempio n. 1

File: IonFrames.cpp Progetto: mokerjoke/mozilla-central

void
InlineFrameIterator::dump() const
{
    if (more())
        fprintf(stderr, " JS frame (inlined)\n");
    else
        fprintf(stderr, " JS frame\n");

    bool isFunction = false;
    if (isFunctionFrame()) {
        isFunction = true;
        fprintf(stderr, "  callee fun: ");
#ifdef DEBUG
        js_DumpObject(callee());
#else
        fprintf(stderr, "?\n");
#endif
    } else {
        fprintf(stderr, "  global frame, no callee\n");
    }

    fprintf(stderr, "  file %s line %u\n",
            script()->filename, (unsigned) script()->lineno);

    fprintf(stderr, "  script = %p, pc = %p\n", (void*) script(), pc());
    fprintf(stderr, "  current op: %s\n", js_CodeName[*pc()]);

    if (!more()) {
        numActualArgs();
    }

    SnapshotIterator si = snapshotIterator();
    fprintf(stderr, "  slots: %u\n", si.slots() - 1);
    for (unsigned i = 0; i < si.slots() - 1; i++) {
        if (isFunction) {
            if (i == 0)
                fprintf(stderr, "  scope chain: ");
            else if (i == 1)
                fprintf(stderr, "  this: ");
            else if (i - 2 < callee()->nargs)
                fprintf(stderr, "  formal (arg %d): ", i - 2);
            else {
                if (i - 2 == callee()->nargs && numActualArgs() > callee()->nargs) {
                    DumpOp d(callee()->nargs);
                    forEachCanonicalActualArg(d, d.i_, numActualArgs());
                }

                fprintf(stderr, "  slot %d: ", i - 2 - callee()->nargs);
            }
        } else
            fprintf(stderr, "  slot %u: ", i);
#ifdef DEBUG
        js_DumpValue(si.maybeRead());
#else
        fprintf(stderr, "?\n");
#endif
    }

    fputc('\n', stderr);
}