Object vim_eval(String str, Error *err)
{
Object rv;
char *expr_str = xstrndup(str.data, str.size);
// Evaluate the expression
try_start();
typval_T *expr_result = eval_expr((char_u *)expr_str, NULL);
free(expr_str);
if (!try_end(err)) {
// No errors, convert the result
rv = vim_to_object(expr_result);
}
// Free the vim object
free_tv(expr_result);
return rv;
}
/// Evaluates the expression str using the vim internal expression
/// evaluator (see |expression|).
/// Dictionaries and lists are recursively expanded.
///
/// @param str The expression str
/// @param[out] err Details of an error that may have occurred
/// @return The expanded object
Object vim_eval(String str, Error *err)
{
Object rv;
// Evaluate the expression
try_start();
typval_T *expr_result = eval_expr((char_u *) str.data, NULL);
if (!expr_result) {
set_api_error("Failed to eval expression", err);
}
if (!try_end(err)) {
// No errors, convert the result
rv = vim_to_object(expr_result);
}
// Free the vim object
free_tv(expr_result);
return rv;
}
/// Evaluates a VimL expression (:help expression).
/// Dictionaries and Lists are recursively expanded.
/// On VimL error: Returns a generic error; v:errmsg is not updated.
///
/// @param expr VimL expression string
/// @param[out] err Error details, if any
/// @return Evaluation result or expanded object
Object nvim_eval(String expr, Error *err)
{
Object rv = OBJECT_INIT;
// Evaluate the expression
try_start();
typval_T *expr_result = eval_expr((char_u *)expr.data, NULL);
if (!expr_result) {
api_set_error(err, Exception, _("Failed to evaluate expression"));
}
if (!try_end(err)) {
// No errors, convert the result
rv = vim_to_object(expr_result);
}
// Free the vim object
free_tv(expr_result);
return rv;
}