From 927f6bc4efaa6d2812e26b10fc6d3a23b237ef70 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=C3=A9ana=20=E6=B1=9F?= <leana.jiang+git@icloud.com>
Date: Thu, 3 Jul 2025 19:56:18 +0200
Subject: [PATCH] nvim: disable inlay hint request for cabal

---
 .config/nvim/after/plugin/lsp.lua | 41 ++++++++++++++++++-------------
 1 file changed, 24 insertions(+), 17 deletions(-)

diff --git a/.config/nvim/after/plugin/lsp.lua b/.config/nvim/after/plugin/lsp.lua
index d381e8c4..80b9b922 100644
--- a/.config/nvim/after/plugin/lsp.lua
+++ b/.config/nvim/after/plugin/lsp.lua
@@ -1,4 +1,5 @@
 local map = vim.keymap.set
+local methods = vim.lsp.protocol.Methods
 
 ----------------------
 -- Language servers --
@@ -75,22 +76,31 @@ local servers = {
 -------------
 -- Helpers --
 -------------
-local on_attach = function(client, bufno)
-    vim.api.nvim_set_option_value("omnifunc", "v:lua.vim.lsp.omnifunc", { buf = bufno })
-    local ts = require("telescope.builtin")
-    local opts = { buffer = bufno }
+local on_attach = function(client, bufnr)
+    vim.api.nvim_set_option_value("omnifunc", "v:lua.vim.lsp.omnifunc", { buf = bufnr })
+    local telescope = require("telescope.builtin")
 
-    map("n", "K", vim.lsp.buf.hover, opts)
-    map("n", "<C-k>", vim.lsp.buf.signature_help, opts)
-    map("n", "gd", vim.lsp.buf.definition, opts)
+    map("n", "K", vim.lsp.buf.hover, { buffer = bufnr })
+    map("n", "<C-k>", vim.lsp.buf.signature_help, { buffer = bufnr })
+    map("n", "gd", vim.lsp.buf.definition, { buffer = bufnr })
     -- conflicts with tabs
-    -- map("n", "gtd", vim.lsp.buf.type_definition, opts)
-    map("n", "gi", vim.lsp.buf.implementation, opts)
-    map("n", "gu", ts.lsp_references, opts)
-    map("n", "<leader>ca", vim.lsp.buf.code_action, opts)
-    map("n", "<leader>cl", vim.lsp.codelens.run, opts)
-    map("n", "<leader>r", vim.lsp.buf.rename, opts)
-    map("n", "<leader>f", function() vim.lsp.buf.format { async = true } end, opts)
+    -- map("n", "gtd", vim.lsp.buf.type_definition, { buffer = bufnr })
+    map("n", "gi", vim.lsp.buf.implementation, { buffer = bufnr })
+    map("n", "gu", telescope.lsp_references, { buffer = bufnr })
+    map("n", "<leader>ca", vim.lsp.buf.code_action, { buffer = bufnr })
+    map("n", "<leader>cl", vim.lsp.codelens.run, { buffer = bufnr })
+    map("n", "<leader>r", vim.lsp.buf.rename, { buffer = bufnr })
+    map("n", "<leader>f", function() vim.lsp.buf.format { async = true } end, { buffer = bufnr })
+
+    local filetype = vim.api.nvim_get_option_value("filetype", { buf = bufnr })
+    if
+        client:supports_method(methods.textDocument_inlayHint)
+        -- Never start cabal with inlay hint request
+        -- Related: https://github.com/mrcjkb/haskell-tools.nvim/discussions/485
+        and filetype ~= "cabal"
+    then
+        vim.lsp.inlay_hint.enable(true, { bufnr = bufnr })
+    end
 end
 
 -- Helix style border
@@ -117,9 +127,6 @@ vim.diagnostic.config { virtual_text = false, severity_sort = true }
 -- Set log level
 vim.lsp.set_log_level("off")
 
--- Enable inlay hints
-vim.lsp.inlay_hint.enable()
-
 -- Gutter symbols setup
 vim.fn.sign_define("DiagnosticSignError", { text = "E", texthl = "DiagnosticSignError", numhl = "DiagnosticSignError" })
 vim.fn.sign_define("DiagnosticSignWarn", { text = "W", texthl = "DiagnosticSignWarn", numhl = "DiagnosticSignWarn" })