Method execLoad

src/main/java/net/starlark/java/eval/Eval.java:244–275

(StarlarkThread.Frame fr, LoadStatement node)

  }

  private static void execLoad(StarlarkThread.Frame fr, LoadStatement node) throws EvalException {
    // Has the application defined a behavior for load statements in this thread?
    StarlarkThread.Loader loader = fr.thread.getLoader();
    if (loader == null) {
      fr.setErrorLocation(node.getStartLocation());
      throw Starlark.errorf("load statements may not be executed in this thread");
    }

    // Load module.
    String moduleName = node.getImport().getValue();
    Module module = loader.load(moduleName);
    if (module == null) {
      fr.setErrorLocation(node.getStartLocation());
      throw Starlark.errorf("module '%s' not found", moduleName);
    }

    for (LoadStatement.Binding binding : node.getBindings()) {
      // Extract symbol.
      Identifier orig = binding.getOriginalName();
      Object value = module.getGlobal(orig.getName());
      if (value == null) {
        fr.setErrorLocation(orig.getStartLocation());
        throw Starlark.errorf(
            "file '%s' does not contain symbol '%s'%s",
            moduleName,
            orig.getName(),
            SpellChecker.didYouMean(orig.getName(), module.getGlobals().keySet()));
      }

      assignIdentifier(fr, binding.getLocalName(), value);
    }
  }

  private static TokenKind execReturn(StarlarkThread.Frame fr, ReturnStatement node)
      throws EvalException, InterruptedException {