glua_ls 1.0.27

Language server for Garry's Mod Lua (GLua).
Documentation 
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mod build_annotator;
mod emmy_annotator_request;

use std::str::FromStr;

use build_annotator::build_annotators;
pub use emmy_annotator_request::*;
use lsp_types::Uri;
use tokio_util::sync::CancellationToken;

use crate::context::ServerContextSnapshot;

pub async fn on_emmy_annotator_handler(
    context: ServerContextSnapshot,
    params: EmmyAnnotatorParams,
    cancel_token: CancellationToken,
) -> Option<EmmyAnnotatorResult> {
    if cancel_token.is_cancelled() {
        return None;
    }

    let uri = Uri::from_str(&params.uri).ok()?;

    // Wait for any pending reindex to finish so we compute against
    // consistent tree + index data. Cancel-aware: bails out when a
    // new didChange fires cancel_all_requests().
    if !context
        .debounced_analysis()
        .wait_until_fresh(&cancel_token)
        .await
    {
        return None;
    }

    let result = {
        // While we hold this read lock, no writes (VFS updates, reindex)
        // can proceed, so tree and index are guaranteed consistent.
        let analysis = context.read_analysis(&cancel_token).await?;

        if cancel_token.is_cancelled() {
            return None;
        }

        let file_id = analysis.get_file_id(&uri)?;
        let semantic_model = analysis.compilation.get_semantic_model(file_id)?;
        let annotators = build_annotators(&semantic_model);
        EmmyAnnotatorResult { annotators }
    };

    Some(result)
}