{

auto is = std::ifstream(filename);

if (!is)

throw invalid_argument(string(filename) + " is not a valid .vld file");

// get length of file:

std::string str(std::istreambuf_iterator<char>{is}, {}) ;

// ...buffer contains the entire file...

parser = ts_parser_new();

assert(parser);

auto velva = tree_sitter_Velva();

if (velva == nullptr)

{

throw invalid_argument("aw shucks");

}

ts_parser_set_language(parser, velva);

tree = ts_parser_parse_string(

parser,

NULL,

str.c_str(),

strlen(str.c_str())

);

cursor = TreeSitterCursor(tree, str);

{

TSNode node;

if (!nodeInp)

node = ts_tree_root_node(tree);

else

node = *nodeInp;

bool is_named = ts_node_is_named(node);

TSPoint start = ts_node_start_point(node);

TSPoint end = ts_node_end_point(node);

const char *string = ts_node_type(node);

for (int i = 0; i < lvl; i++)

printf(" ");

printf("%s: start: %d %d end %d %d %s\n", string, start.row, start.column, end.row, end.column, is_named ? "named" : "");

// printf("=============================================\n");

// printf("Start: %d %d End: %d %d\n", start.column, start.row, end.column, end.row);

// printf("Contents: %s\n", str_in_file.c_str());

// printf("=============================================\n");

if (printNoNamedNodes) {

int len = ts_node_child_count(node);

for (int i = 0; i < len; i++)

printTree(printNoNamedNodes, ts_node_child(node, i), lvl+1);

} else {

int len = ts_node_named_child_count(node);

for (int i = 0; i < len; i++)

printTree(printNoNamedNodes, ts_node_named_child(node, i), lvl+1);

}

}