Function part1_problem

tutorials/integration/c/13_shared_module.c:96–145

----------------------------------------------------------------------- Part 1: The Problem — non-shared module across FileAccess boundaries Demonstrates that a module introduced into one FileAccess is NOT automatically available to compilations using a different FileAccess. -----------------------------------------------------------------------

// automatically available to compilations using a different FileAccess.
// -----------------------------------------------------------------------
static void part1_problem(void) {
    printf("=== Part 1: The Problem -- non-shared module across FileAccess boundaries ===\n\n");

    // --- 1a: Both files in the same FileAccess — works fine ---
    {
        das_text_writer  * tout    = das_text_make_printer();
        das_module_group * libgrp  = das_modulegroup_make();
        das_file_access  * fa      = das_fileaccess_make_default();

        das_fileaccess_introduce_file(fa, "my_helpers.das", MODULE_NOT_SHARED, 0);
        das_fileaccess_introduce_file(fa, "user_script.das", USER_SCRIPT, 0);

        das_program * program = das_program_compile("user_script.das", fa, tout, libgrp);
        int err_count = das_program_err_count(program);
        printf("Part 1a: same FileAccess -- compilation %s (%d error%s)\n\n",
               err_count ? "FAILED" : "succeeded", err_count, err_count == 1 ? "" : "s");

        das_program_release(program);
        das_fileaccess_release(fa);
        das_modulegroup_release(libgrp);
        das_text_release(tout);
    }

    // --- 1b: Module NOT in this FileAccess — fails ---
    {
        das_text_writer  * tout    = das_text_make_writer();
        das_module_group * libgrp  = das_modulegroup_make();
        das_file_access  * fa      = das_fileaccess_make_default();

        // Only introduce the user script — NOT the module.
        das_fileaccess_introduce_file(fa, "user_script.das", USER_SCRIPT, 0);

        das_program * program = das_program_compile("user_script.das", fa, tout, libgrp);
        int err_count = das_program_err_count(program);
        printf("Part 1b: different FileAccess, module file missing -- compilation failed (%d error%s):\n",
               err_count, err_count == 1 ? "" : "s");
        for (int i = 0; i < err_count; i++) {
            das_error * error = das_program_get_error(program, i);
            char buf[1024];
            das_error_report(error, buf, sizeof(buf));
            printf("  error %d: %s\n", i, buf);
        }
        printf("\n");

        das_program_release(program);
        das_fileaccess_release(fa);
        das_modulegroup_release(libgrp);
        das_text_release(tout);
    }
}

// -----------------------------------------------------------------------
// Part 2: The Solution — `module my_helpers shared`