jonwis

Question

Write a CodeQL query that finds coroutine methods that take parameters by reference, where those parameters are used after any co_await suspension point.

Response

import cpp

jonwis

import os
import sys
import subprocess
import urllib.request
import argparse
from pathlib import Path

wasdk = {
    "name": "Microsoft.WindowsAppSDK",
    "version": "1.7.250127003-experimental3",

jonwis

#include <winrt/base.h>

/* Assume this type:

runtimeclass Foo {
    String Name;
    UInt32 Id { get; };
    Foo[] GetMoreFoos();
}

jonwis

// ConsoleApplication1.cpp : This file contains the 'main' function. Program execution begins and ends there.
//

#include <iostream>
#include <map>
#include <chrono>
#include <unordered_map>
#include <array>
#include <string>
#include <functional>

jonwis

// https://godbolt.org/z/xnd359j99

#include <optional>
#include <mutex>
#include <functional>

template<typename T> struct default_lazy_init {
    T operator()() const {
        return T{};
    }

jonwis

#include <vector>
#include <span>
#include <variant>
#include <memory>

template<typename T, int internal = 25> struct small_vector_optimization : std::span<T const>
{
    small_vector_optimization(std::span<T const> src)
    {
        if (src.size() <= internal)

jonwis

// This is replacement for std::format on systems that don't have std::locale support,
// but do have std::to_chars locale invariant.
template <typename... Args>
std::string myformat(std::format_string<Args...> fmt, Args&&... args)
{
    std::string output;
    auto formatArgStore = std::make_format_args(args...);
    auto formatArgs = std::format_args(formatArgStore);
    std::string_view fmtString = fmt.get();
    int nextIndex = 0;

jonwis

#include <tuple>
#include <iostream>
#include <algorithm>
#include <string_view>
#include <array>
#include <stdexcept>
#include <optional>

// This is a bijection lookup helper that given an array of pairs finds the key or
// the value. The keys should be sorted.

jonwis

#include <random>
#include <string>
#include <vector>
#include <span>
#include <winrt/windows.storage.streams.h>
#include <winrt/windows.security.cryptography.h>
#include <winrt/windows.security.cryptography.core.h>
#include <winrt/windows.security.cryptography.certificates.h>

namespace winrt {

jonwis

#include <vector>
#include <algorithm>
#include <iterator>
#include <functional>

// Given a container that supports "begin(c)" / "end(c)", uses std::transform plus a
// provided transmutor function to produce an output vector of the results. The
// type of the vector returned is derived from the return type of the transmutor
// operation.
template<typename Z, typename Q>