Method GetTokenAtOffset

LuaParser/src/Ast/LuaSyntaxTree.cpp:474–499

}

LuaSyntaxNode LuaSyntaxTree::GetTokenAtOffset(std::size_t offset) const {
    if (_tokens.empty()) {
        return LuaSyntaxNode();
    }

    auto tokenIt = std::partition_point(
            _tokens.begin(), _tokens.end(),
            [offset](const IncrementalToken &token) {
                return token.Start <= offset;
            });
    std::size_t tokenIndex = 0;
    if (tokenIt == _tokens.end()) {
        tokenIndex = _tokens.size() - 1;
    } else if (tokenIt == _tokens.begin()) {
        tokenIndex = 0;
    } else {
        tokenIndex = tokenIt - _tokens.begin() - 1;
    }

    auto &token = _tokens[tokenIndex];
    if (token.Start <= offset && (token.Start + token.Length) > offset) {
        return LuaSyntaxNode(token.NodeIndex);
    }

    return LuaSyntaxNode();
}

std::string LuaSyntaxTree::GetDebugView() {
    std::string debugView;