From 974ed7155acccb5da0c2aeac09d7052c4f75902d Mon Sep 17 00:00:00 2001
From: Steffen Lyngbaek <steffenlyngbaek@gmail.com>
Date: Tue, 10 Mar 2020 18:59:49 -0700
Subject: Deduplicate some Inlay definitions

- Remove match conversion for InlayKind since we're using remote
---
 crates/rust-analyzer/src/config.rs             | 31 ++------------------------
 crates/rust-analyzer/src/main_loop/handlers.rs |  7 ++----
 crates/rust-analyzer/src/req.rs                | 29 ++++++++++++++++++++++--
 3 files changed, 31 insertions(+), 36 deletions(-)

(limited to 'crates')

diff --git a/crates/rust-analyzer/src/config.rs b/crates/rust-analyzer/src/config.rs
index 2f407723b..22ff0845c 100644
--- a/crates/rust-analyzer/src/config.rs
+++ b/crates/rust-analyzer/src/config.rs
@@ -7,40 +7,13 @@
 //! configure the server itself, feature flags are passed into analysis, and
 //! tweak things like automatic insertion of `()` in completions.
 
-use ra_ide::{InlayConfig, InlayKind};
+use crate::req::InlayConfigDef;
+use ra_ide::InlayConfig;
 use rustc_hash::FxHashMap;
 
 use ra_project_model::CargoFeatures;
 use serde::{Deserialize, Deserializer};
 
-#[derive(Deserialize)]
-#[serde(remote = "InlayKind")]
-pub enum InlayKindDef {
-    TypeHint,
-    ParameterHint,
-}
-
-// Work-around until better serde support is added
-// https://github.com/serde-rs/serde/issues/723#issuecomment-382501277
-fn vec_inlay_kind<'de, D>(deserializer: D) -> Result<Vec<InlayKind>, D::Error>
-where
-    D: Deserializer<'de>,
-{
-    #[derive(Deserialize)]
-    struct Wrapper(#[serde(with = "InlayKindDef")] InlayKind);
-
-    let v = Vec::deserialize(deserializer)?;
-    Ok(v.into_iter().map(|Wrapper(a)| a).collect())
-}
-
-#[derive(Deserialize)]
-#[serde(remote = "InlayConfig")]
-pub struct InlayConfigDef {
-    #[serde(deserialize_with = "vec_inlay_kind")]
-    pub display_type: Vec<InlayKind>,
-    pub max_length: Option<usize>,
-}
-
 /// Client provided initialization options
 #[derive(Deserialize, Clone, Debug, PartialEq, Eq)]
 #[serde(rename_all = "camelCase", default)]
diff --git a/crates/rust-analyzer/src/main_loop/handlers.rs b/crates/rust-analyzer/src/main_loop/handlers.rs
index 4f58bcb0a..23463b28e 100644
--- a/crates/rust-analyzer/src/main_loop/handlers.rs
+++ b/crates/rust-analyzer/src/main_loop/handlers.rs
@@ -37,7 +37,7 @@ use crate::{
     },
     diagnostics::DiagnosticTask,
     from_json,
-    req::{self, Decoration, InlayHint, InlayHintsParams, InlayKind},
+    req::{self, Decoration, InlayHint, InlayHintsParams},
     semantic_tokens::SemanticTokensBuilder,
     world::WorldSnapshot,
     LspError, Result,
@@ -1002,10 +1002,7 @@ pub fn handle_inlay_hints(
         .map(|api_type| InlayHint {
             label: api_type.label.to_string(),
             range: api_type.range.conv_with(&line_index),
-            kind: match api_type.kind {
-                ra_ide::InlayKind::TypeHint => InlayKind::TypeHint,
-                ra_ide::InlayKind::ParameterHint => InlayKind::ParameterHint,
-            },
+            kind: api_type.kind,
         })
         .collect())
 }
diff --git a/crates/rust-analyzer/src/req.rs b/crates/rust-analyzer/src/req.rs
index a3efe3b9f..dab05405e 100644
--- a/crates/rust-analyzer/src/req.rs
+++ b/crates/rust-analyzer/src/req.rs
@@ -2,7 +2,9 @@
 
 use lsp_types::{Location, Position, Range, TextDocumentIdentifier, Url};
 use rustc_hash::FxHashMap;
-use serde::{Deserialize, Serialize};
+use serde::{Deserialize, Deserializer, Serialize};
+
+use ra_ide::{InlayConfig, InlayKind};
 
 pub use lsp_types::{
     notification::*, request::*, ApplyWorkspaceEditParams, CodeActionParams, CodeLens,
@@ -196,14 +198,37 @@ pub struct InlayHintsParams {
 }
 
 #[derive(Debug, PartialEq, Eq, Deserialize, Serialize)]
-pub enum InlayKind {
+#[serde(remote = "InlayKind")]
+pub enum InlayKindDef {
     TypeHint,
     ParameterHint,
 }
 
+// Work-around until better serde support is added
+// https://github.com/serde-rs/serde/issues/723#issuecomment-382501277
+fn vec_inlay_kind<'de, D>(deserializer: D) -> Result<Vec<InlayKind>, D::Error>
+where
+    D: Deserializer<'de>,
+{
+    #[derive(Deserialize)]
+    struct Wrapper(#[serde(with = "InlayKindDef")] InlayKind);
+
+    let v = Vec::deserialize(deserializer)?;
+    Ok(v.into_iter().map(|Wrapper(a)| a).collect())
+}
+
+#[derive(Deserialize)]
+#[serde(remote = "InlayConfig")]
+pub struct InlayConfigDef {
+    #[serde(deserialize_with = "vec_inlay_kind")]
+    pub display_type: Vec<InlayKind>,
+    pub max_length: Option<usize>,
+}
+
 #[derive(Debug, Deserialize, Serialize)]
 pub struct InlayHint {
     pub range: Range,
+    #[serde(with = "InlayKindDef")]
     pub kind: InlayKind,
     pub label: String,
 }
-- 
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