From 0c0ab0acec96454815b33fa186734ac380ea71f8 Mon Sep 17 00:00:00 2001
From: Mahesh Asolkar <mahesh@mahesha.com>
Date: Tue, 5 Aug 2025 17:51:43 -0700
Subject: [PATCH] Added treesitter and copilot to nvim config

---
 nvim.init.lazy.lua | 64 +++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 61 insertions(+), 3 deletions(-)

diff --git a/nvim.init.lazy.lua b/nvim.init.lazy.lua
index 947fb78..60f5b0e 100644
--- a/nvim.init.lazy.lua
+++ b/nvim.init.lazy.lua
@@ -35,7 +35,7 @@ require("lazy").setup({
     "nathanaelkane/vim-indent-guides",
     -- "https://github.com/intel-sandbox/vim-iosf.git", -- intel
     -- "https://github.com/intel-sandbox/vim-pcietrk", -- intel
-    "vhda/verilog_systemverilog.vim",
+    --"vhda/verilog_systemverilog.vim",
     {
         'nvim-telescope/telescope.nvim', tag = '0.1.2',
         dependencies = { 'nvim-lua/plenary.nvim' }
@@ -44,9 +44,66 @@ require("lazy").setup({
         'nvim-telescope/telescope-fzf-native.nvim',
         -- build = 'cmake -S. -Bbuild -DCMAKE_BUILD_TYPE=Release && cmake --build build --config Release && cmake --install build --prefix build'
         build = 'make'
-    }
+    },
+    {
+        'nvim-treesitter/nvim-treesitter',
+        branch = 'master',
+        lazy = false,
+        build = ":TSUpdate"
+    },
+    -- Copilot setup
+    "github/copilot.vim",
+    -- {
+    --     "zbirenbaum/copilot-cmp",
+    --     config = function ()
+    --         require("copilot_cmp").setup()
+    --     end
+    -- }
 })
 
+-- Treesitter
+require'nvim-treesitter.configs'.setup {
+  -- A list of parser names, or "all" (the listed parsers MUST always be installed)
+  ensure_installed = { "verilog", "rust" },
+
+  -- Install parsers synchronously (only applied to `ensure_installed`)
+  sync_install = false,
+
+  -- Automatically install missing parsers when entering buffer
+  -- Recommendation: set to false if you don't have `tree-sitter` CLI installed locally
+  auto_install = true,
+
+  -- List of parsers to ignore installing (or "all")
+  --ignore_install = { "javascript" },
+
+  ---- If you need to change the installation directory of the parsers (see -> Advanced Setup)
+  -- parser_install_dir = "/some/path/to/store/parsers", -- Remember to run vim.opt.runtimepath:append("/some/path/to/store/parsers")!
+
+  highlight = {
+    enable = true,
+
+    -- NOTE: these are the names of the parsers and not the filetype. (for example if you want to
+    -- disable highlighting for the `tex` filetype, you need to include `latex` in this list as this is
+    -- the name of the parser)
+    -- list of language that will be disabled
+    --disable = { "c", "rust" },
+    -- Or use a function for more flexibility, e.g. to disable slow treesitter highlight for large files
+    disable = function(lang, buf)
+        local max_filesize = 100 * 1024 -- 100 KB
+        local ok, stats = pcall(vim.loop.fs_stat, vim.api.nvim_buf_get_name(buf))
+        if ok and stats and stats.size > max_filesize then
+            return true
+        end
+    end,
+
+    -- Setting this to true will run `:h syntax` and tree-sitter at the same time.
+    -- Set this to `true` if you depend on 'syntax' being enabled (like for indentation).
+    -- Using this option may slow down your editor, and you may see some duplicate highlights.
+    -- Instead of true it can also be a list of languages
+    additional_vim_regex_highlighting = false,
+  },
+}
+
 -- LuaLine
 require('lualine').setup {
     options = {
@@ -239,7 +296,8 @@ vim.g.NERDTreeKeepTreeInNewTab  = 1
 vim.g.nerdtree_tabs_open_on_gui_startup = 0
 
 -- Filetype assignments - TODO: Is there an automatic way for this?
-vim.cmd("au! BufRead,BufNewFile *.sv,*.svh          set filetype=verilog_systemverilog")
+-- vim.cmd("au! BufRead,BufNewFile *.sv,*.svh          set filetype=verilog_systemverilog")
+-- vim.cmd("au! BufRead,BufNewFile *.sv,*.svh          set filetype=verilog")
 vim.cmd("au! BufRead,BufNewFile *iosfsb_trk.out     set filetype=iosfsbtrk")
 vim.cmd("au! BufRead,BufNewFile *iosf_trk.out       set filetype=iosftrk")