Function tutorial

tutorials/integration/cpp/06_interop.cpp:242–278

#define SCRIPT_NAME "/tutorials/integration/cpp/06_interop.das"

void tutorial() {
    TextPrinter tout;
    ModuleGroup dummyLibGroup;
    auto fAccess = make_smart<FsFileAccess>();

    auto program = compileDaScript(getDasRoot() + SCRIPT_NAME,
                                   fAccess, tout, dummyLibGroup);
    if (program->failed()) {
        tout << "Compilation failed:\n";
        for (auto & err : program->errors) {
            tout << reportError(err.at, err.what, err.extra,
                                err.fixme, err.cerr);
        }
        return;
    }

    Context ctx(program->getContextStackSize());
    if (!program->simulate(ctx, tout)) {
        tout << "Simulation failed:\n";
        for (auto & err : program->errors) {
            tout << reportError(err.at, err.what, err.extra,
                                err.fixme, err.cerr);
        }
        return;
    }

    auto fnTest = ctx.findFunction("test");
    if (!fnTest) {
        tout << "Function 'test' not found\n";
        return;
    }

    ctx.evalWithCatch(fnTest, nullptr);
    if (auto ex = ctx.getException()) {
        tout << "Exception: " << ex << "\n";
    }
}

int main(int, char * []) {
    NEED_ALL_DEFAULT_MODULES;