From 3756a3e47221c3b0133724a482341a9010076a9e Mon Sep 17 00:00:00 2001
From: pommicket <pommicket@gmail.com>
Date: Tue, 3 Jan 2023 23:50:50 -0500
Subject: read workspace/symbols containerName

---
 ide-definitions.c     |  9 +++++++--
 lsp-parse.c           |  7 +++++++
 lsp.c                 |  2 ++
 lsp.h                 |  3 +++
 main.c                |  1 +
 test/lsp/multidef.cpp | 45 ++++++++++++++++++++++++++++++++-------------
 6 files changed, 52 insertions(+), 15 deletions(-)

diff --git a/ide-definitions.c b/ide-definitions.c
index 67ac51d..1518515 100644
--- a/ide-definitions.c
+++ b/ide-definitions.c
@@ -206,8 +206,13 @@ void definitions_process_lsp_response(Ted *ted, LSP *lsp, const LSPResponse *res
 			def->color = colors[color_for_symbol_kind(kind)];
 			def->from_lsp = true;
 			def->position = lsp_location_start_position(symbol->location);
-			def->detail = a_sprintf("%s:%" PRIu32,
-				path_filename(lsp_document_path(lsp, def->position.document)),
+			const char *container_name = lsp_response_string(response, symbol->container);
+			const char *filename = path_filename(lsp_document_path(lsp, def->position.document));
+			bool has_container = *container_name != 0;
+			def->detail = a_sprintf("%s%s%s:%" PRIu32,
+				container_name,
+				has_container ? ", " : "",
+				filename,
 				def->position.pos.line + 1);
 		}
 		
diff --git a/lsp-parse.c b/lsp-parse.c
index 4c3e95f..c6c15ff 100644
--- a/lsp-parse.c
+++ b/lsp-parse.c
@@ -32,6 +32,9 @@ static WarnUnusedResult bool lsp_expect_number(LSP *lsp, JSONValue value, const
 
 
 static LSPString lsp_response_add_json_string(LSPResponse *response, const JSON *json, JSONString string) {
+	if (string.len == 0) {
+		return (LSPString){0};
+	}
 	u32 offset = arr_len(response->string_data);
 	arr_set_len(response->string_data, offset + string.len + 1);
 	json_string_get(json, string, response->string_data + offset, string.len + 1);
@@ -608,6 +611,10 @@ static bool parse_symbol_information(LSP *lsp, const JSON *json, JSONValue value
 	if (!parse_location(lsp, json, location, &info->location))
 		return false;
 	
+	// get container name
+	JSONString container = json_object_get_string(json, object, "containerName");
+	info->container = lsp_response_add_json_string(response, json, container);
+	
 	return true;
 }
 
diff --git a/lsp.c b/lsp.c
index 583c822..0b3b44b 100644
--- a/lsp.c
+++ b/lsp.c
@@ -439,6 +439,8 @@ const char *lsp_document_path(LSP *lsp, LSPDocumentID document) {
 			assert(0);
 			return "";
 		}
+		// it's okay to keep a pointer to this around without the mutex locked
+		// we'll never change the path of a document ID.
 		const char *path = lsp->document_data[document].path;
 	SDL_UnlockMutex(lsp->document_mutex);
 	return path;
diff --git a/lsp.h b/lsp.h
index f65004f..e3f3bcf 100644
--- a/lsp.h
+++ b/lsp.h
@@ -392,6 +392,9 @@ typedef struct {
 	LSPSymbolKind kind;
 	bool deprecated;
 	LSPLocation location;
+	// the "symbol containing this symbol"
+	// e.g. multiple classes might have a "foo" method, so this can be used to distinguish them.
+	LSPString container;
 } LSPSymbolInformation;
 
 typedef struct {
diff --git a/main.c b/main.c
index 231177f..a3af116 100644
--- a/main.c
+++ b/main.c
@@ -1,5 +1,6 @@
 /*
 @TODO:
+- handle mouse clicks in "go to definition..." menu
 - ted.h documentation
 - document lsp.h and lsp.c.
 - debug-lsp option (which logs LSP messages)
diff --git a/test/lsp/multidef.cpp b/test/lsp/multidef.cpp
index 6cd5e1a..b9511d0 100644
--- a/test/lsp/multidef.cpp
+++ b/test/lsp/multidef.cpp
@@ -1,16 +1,35 @@
-
-void f(int x, int y) {
-}
-
-
-void f(int x) {
+class V {
+	void f(int x, int y) {
+	}
+	
+	
+	void f(int x) {
+	}
+	
+	void f(const char *s) {
+	}
+	
+	
+	void g() {
+	}
+	void g(int y) {
+	}
 }
 
-void f(const char *s) {
-}
-
-
-void g() {
-}
-void g(int y) {
+class W {
+	void f(int x, int y) {
+	}
+	
+	
+	void f(int x) {
+	}
+	
+	void f(const char *s) {
+	}
+	
+	
+	void g() {
+	}
+	void g(int y) {
+	}
 }
-- 
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