Use document range in get_inlay_hints

3 files changed, 34 insertions, 11 deletions

diff --git a/src/server/caches.odin b/src/server/caches.odin
index f1cdc2e..a65de48 100644
--- a/src/server/caches.odin
+++ b/src/server/caches.odin
@@ -25,14 +25,31 @@ FileResolveCache :: struct {
 @(thread_local)
 file_resolve_cache: FileResolveCache
 
-resolve_entire_file_cached :: proc(document: ^Document) -> map[uintptr]SymbolAndNode {
-	if document.uri.uri not_in file_resolve_cache.files {
-		file_resolve_cache.files[document.uri.uri] = FileResolve {
+resolve_entire_file_cached :: proc(document: ^Document) -> FileResolve {
+
+	file, cashed := file_resolve_cache.files[document.uri.uri]
+
+	if !cashed {
+		file = {
 			symbols = resolve_entire_file(document, .None, virtual.arena_allocator(document.allocator)),
 		}
+		file_resolve_cache.files[document.uri.uri] = file
+	}
+
+	return file
+}
+
+resolve_ranged_file_cached :: proc(document: ^Document, range: common.Range, allocator := context.allocator) -> FileResolve {
+
+	file, cashed := file_resolve_cache.files[document.uri.uri]
+
+	if !cashed {
+		file = {
+			symbols = resolve_ranged_file(document, range, allocator),
+		}
 	}
 
-	return file_resolve_cache.files[document.uri.uri].symbols
+	return file
 }
 
 BuildCache :: struct {
diff --git a/src/server/inlay_hints.odin b/src/server/inlay_hints.odin
index a91cd7a..a62a708 100644
--- a/src/server/inlay_hints.odin
+++ b/src/server/inlay_hints.odin
@@ -9,6 +9,7 @@ import "src:common"
 
 get_inlay_hints :: proc(
 	document: ^Document,
+	range: common.Range,
 	symbols: map[uintptr]SymbolAndNode,
 	config: ^common.Config,
 ) -> (
@@ -17,6 +18,7 @@ get_inlay_hints :: proc(
 ) {
 	Visitor_Data :: struct {
 		document: ^Document,
+		range:    common.Range,
 		symbols:  map[uintptr]SymbolAndNode,
 		config:   ^common.Config,
 		hints:    [dynamic]InlayHint,
@@ -31,6 +33,7 @@ get_inlay_hints :: proc(
 
 	data := Visitor_Data{
 		document = document,
+		range    = range,
 		symbols  = symbols,
 		config   = config,
 		procs    = make([dynamic]Proc_Data, context.temp_allocator),
@@ -51,6 +54,12 @@ get_inlay_hints :: proc(
 				return nil
 			}
 
+			margin := 20 // skip nodes outside the range
+			if data.range.start.line - margin > node.end.line &&
+			   data.range.end.line   + margin < node.pos.line {
+				return nil
+			}
+
 			data.depth += 1
 
 			add_param_hints(node, data)
diff --git a/src/server/requests.odin b/src/server/requests.odin
index 860e8c4..511832a 100644
--- a/src/server/requests.odin
+++ b/src/server/requests.odin
@@ -1212,9 +1212,9 @@ request_semantic_token_range :: proc(
 	tokens_params: SemanticTokensResponseParams
 
 	if config.enable_semantic_tokens {
-		symbols := resolve_ranged_file(document, semantic_params.range, context.temp_allocator)
+		file := resolve_ranged_file_cached(document, semantic_params.range, context.temp_allocator)
 
-		tokens := get_semantic_tokens(document, semantic_params.range, symbols)
+		tokens := get_semantic_tokens(document, semantic_params.range, file.symbols)
 		tokens_params = semantic_tokens_to_response_params(tokens)
 	}
 
@@ -1314,12 +1314,9 @@ request_inlay_hint :: proc(
 	document := document_get(inlay_params.textDocument.uri)
 	if document == nil do return .InternalError
 
-	resolve_ranged_file(document, inlay_params.range, context.temp_allocator)
+	file := resolve_ranged_file_cached(document, inlay_params.range, context.temp_allocator)
 
-	file, file_ok := file_resolve_cache.files[document.uri.uri]
-	if !file_ok do return .InternalError
-
-	hints, hints_ok := get_inlay_hints(document, file.symbols, config)
+	hints, hints_ok := get_inlay_hints(document, inlay_params.range, file.symbols, config)
 	if !hints_ok do return .InternalError
 
 	response := make_response_message(params = hints, id = id)