Function main

src/platforms/apple/run_example.hpp:31–128

#include "fl/stl/noexcept.h"

int main(int argc, char** argv) FL_NOEXCEPT {
    // Setup crash handler BEFORE loading any shared libraries
    runner_setup_crash_handler();

    // Setup timeout watchdog to detect hung examples
    timeout_watchdog::setup();  // Default: 20 seconds, configurable via FASTLED_TEST_TIMEOUT

    std::string so_path;
    const std::string shared_lib_ext = ".dylib";

    // Determine shared library path: explicit argument or inferred from exe name
    if (argc > 1 && argv[1][0] != '-') {
        // First argument is a path (doesn't start with -)
        so_path = argv[1];
    } else {
        // No explicit path: infer from exe name
        std::string full_exe_path;
        char path_buf[1024];
        fl::u32 buf_size = sizeof(path_buf);
        if (_NSGetExecutablePath(path_buf, &buf_size) == 0) {
            full_exe_path = path_buf;
        } else {
            // Buffer too small, fallback to argv[0]
            full_exe_path = argv[0];
        }

        if (full_exe_path.empty()) {
            std::cout << "Error: Failed to get executable path" << std::endl;
            return 1;
        }

        // Extract directory and filename
        size_t last_slash = full_exe_path.find_last_of('/');
        std::string exe_dir = (last_slash != std::string::npos) ? full_exe_path.substr(0, last_slash) : ".";
        std::string exe_file = (last_slash != std::string::npos) ? full_exe_path.substr(last_slash + 1) : full_exe_path;

        // Remove executable extension (if any)
        size_t dot_pos = exe_file.find_last_of('.');
        std::string exe_name = (dot_pos != std::string::npos) ? exe_file.substr(0, dot_pos) : exe_file;

        // Construct shared library path
        std::string so_name = exe_name + shared_lib_ext;
        so_path = exe_dir + "/" + so_name;
    }

    // Load shared library with RTLD_NOW for immediate symbol resolution
    // This helps ASAN properly track symbols from the loaded library
    void* handle = dlopen(so_path.c_str(), RTLD_NOW | RTLD_GLOBAL);
    if (!handle) {
        std::cout << "Error: Failed to load " << so_path << " (" << dlerror() << ")" << std::endl;
        return 1;
    }

    // Get run_example function
    RunExampleFunc run_example = (RunExampleFunc)dlsym(handle, "run_example");
    if (!run_example) {
        std::cout << "Error: Failed to find run_example() in " << so_path << " (" << dlerror() << ")" << std::endl;
        dlclose(handle);