From ccd24ed58b6b494b66cfa43aad59ac19ad94c5b1 Mon Sep 17 00:00:00 2001
From: Techatrix <19954306+Techatrix@users.noreply.github.com>
Date: Sat, 9 Sep 2023 20:23:57 +0200
Subject: [PATCH] fix memory errors related to astgen_analyser

---
 src/DocumentStore.zig | 11 -----------
 src/Server.zig        |  6 +++---
 2 files changed, 3 insertions(+), 14 deletions(-)

diff --git a/src/DocumentStore.zig b/src/DocumentStore.zig
index 755ae86ba7..8e68e8b591 100644
--- a/src/DocumentStore.zig
+++ b/src/DocumentStore.zig
@@ -310,17 +310,6 @@ pub fn refreshDocument(self: *DocumentStore, uri: Uri, new_text: [:0]const u8) !
     const new_import_count = handle.import_uris.items.len;
     const new_cimport_count = handle.cimports.len;
 
-    if (handle.root_decl.unwrap()) |decl_index| {
-        self.mod.?.destroyDecl(decl_index);
-        handle.root_decl = .none;
-    }
-    if (self.config.analysis_backend == .astgen_analyser and
-        handle.zir_status == .done and // TODO support oudated
-        !handle.zir.hasCompileErrors())
-    {
-        try self.mod.?.semaFile(handle);
-    }
-
     if (old_import_count != new_import_count or
         old_cimport_count != new_cimport_count)
     {
diff --git a/src/Server.zig b/src/Server.zig
index b6878f9462..cfce36fd06 100644
--- a/src/Server.zig
+++ b/src/Server.zig
@@ -862,8 +862,9 @@ pub fn updateConfiguration(server: *Server, new_config: configuration.Configurat
     if (new_zig_exe_path or new_zig_lib_path) {
         server.document_store.cimports.clearAndFree(server.document_store.allocator);
     }
-    
-    if (server.config.analysis_backend == .astgen_analyser) {
+
+    if (server.config.analysis_backend == .astgen_analyser) blk: {
+        if (server.mod != null) break :blk;
         server.mod = Module.init(server.allocator, &server.ip, &server.document_store);
         server.document_store.mod = &server.mod.?;
     } else if (server.mod) |*mod| {
@@ -887,7 +888,6 @@ pub fn updateConfiguration(server: *Server, new_config: configuration.Configurat
         server.allocator.free(json_message);
     }
 
-
     // <---------------------------------------------------------->
     //  don't modify config options after here, only show messages
     // <---------------------------------------------------------->