From 2b956fd3a83313cee37ff179eae843bc88dd572a Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Tue, 9 Oct 2018 16:00:20 +0300
Subject: Add on-enter handler

Now, typing doc comments is much more pleasant
---
 crates/ra_lsp_server/src/main_loop/handlers.rs | 14 ++++++++++++++
 crates/ra_lsp_server/src/main_loop/mod.rs      |  1 +
 2 files changed, 15 insertions(+)

(limited to 'crates/ra_lsp_server/src/main_loop')

diff --git a/crates/ra_lsp_server/src/main_loop/handlers.rs b/crates/ra_lsp_server/src/main_loop/handlers.rs
index 79a54183e..725036cc7 100644
--- a/crates/ra_lsp_server/src/main_loop/handlers.rs
+++ b/crates/ra_lsp_server/src/main_loop/handlers.rs
@@ -77,6 +77,20 @@ pub fn handle_join_lines(
         .try_conv_with(&world)
 }
 
+pub fn handle_on_enter(
+    world: ServerWorld,
+    params: req::TextDocumentPositionParams,
+    _token: JobToken,
+) -> Result<Option<req::SourceChange>> {
+    let file_id = params.text_document.try_conv_with(&world)?;
+    let line_index = world.analysis().file_line_index(file_id);
+    let offset = params.position.conv_with(&line_index);
+    match world.analysis().on_enter(file_id, offset) {
+        None => Ok(None),
+        Some(edit) => Ok(Some(edit.try_conv_with(&world)?))
+    }
+}
+
 pub fn handle_on_type_formatting(
     world: ServerWorld,
     params: req::DocumentOnTypeFormattingParams,
diff --git a/crates/ra_lsp_server/src/main_loop/mod.rs b/crates/ra_lsp_server/src/main_loop/mod.rs
index 47a9b202e..53c6f1dff 100644
--- a/crates/ra_lsp_server/src/main_loop/mod.rs
+++ b/crates/ra_lsp_server/src/main_loop/mod.rs
@@ -244,6 +244,7 @@ fn on_request(
         .on::<req::ExtendSelection>(handlers::handle_extend_selection)?
         .on::<req::FindMatchingBrace>(handlers::handle_find_matching_brace)?
         .on::<req::JoinLines>(handlers::handle_join_lines)?
+        .on::<req::OnEnter>(handlers::handle_on_enter)?
         .on::<req::OnTypeFormatting>(handlers::handle_on_type_formatting)?
         .on::<req::DocumentSymbolRequest>(handlers::handle_document_symbol)?
         .on::<req::WorkspaceSymbol>(handlers::handle_workspace_symbol)?
-- 
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