Function demangle_status parser_namespace

src/rustDemangle.cpp:814–825

typedef uint8_t parser_namespace_type;

static NODISCARD demangle_status parser_namespace(struct parser *parser, parser_namespace_type *out) {
    uint8_t next = parser_next(parser);
    if ('A' <= next && next <= 'Z') {
        *out = next;
        return DemangleOk;
    } else if ('a' <= next && next <= 'z') {
        *out = 0;
        return DemangleOk;
    } else {
        return DemangleInvalid;
    }
}

static NODISCARD demangle_status parser_backref(struct parser *parser, struct parser *out) {
    size_t start = parser->next;