feat: add svlangserver support (#1916)

1 files changed, 66 insertions, 0 deletions

diff --git a/lua/lspconfig/server_configurations/svlangserver.lua b/lua/lspconfig/server_configurations/svlangserver.lua
new file mode 100644
index 00000000..613f815a
--- /dev/null
+++ b/lua/lspconfig/server_configurations/svlangserver.lua
@@ -0,0 +1,66 @@
+local util = require 'lspconfig.util'
+
+local bin_name = 'svlangserver'
+local cmd = { bin_name }
+
+if vim.fn.has 'win32' == 1 then
+  cmd = { 'cmd.exe', '/C', bin_name }
+end
+
+local function build_index()
+  local params = {
+    command = 'systemverilog.build_index',
+  }
+  vim.lsp.buf.execute_command(params)
+end
+
+local function report_hierarchy()
+  local params = {
+    command = 'systemverilog.report_hierarchy',
+    arguments = { vim.fn.expand '<cword>' },
+  }
+  vim.lsp.buf.execute_command(params)
+end
+
+return {
+  default_config = {
+    cmd = cmd,
+    filetypes = { 'verilog', 'systemverilog' },
+    root_dir = function(fname)
+      return util.root_pattern '.nvim'(fname) or util.find_git_ancestor(fname)
+    end,
+    single_file_support = true,
+    settings = {
+      systemverilog = {
+        includeIndexing = { '*.{v,vh,sv,svh}', '**/*.{v,vh,sv,svh}' },
+      },
+    },
+    on_init = function(client)
+      local json = ''
+      for line in io.lines(client.config.root_dir .. '/.nvim/lspconfig.json') do
+        json = json .. line
+      end
+      json = vim.json.decode(json)
+      client.config.cmd = { json.languageserver.svlangserver.command }
+      client.config.filetypes = json.languageserver.svlangserver.filetypes
+      client.config.settings = json.languageserver.svlangserver.settings
+    end,
+  },
+  commands = {
+    SvlangserverBuildIndex = {
+      build_index,
+      description = 'Instructs language server to rerun indexing',
+    },
+    SvlangserverReportHierarchy = {
+      report_hierarchy,
+      description = 'Generates hierarchy for the given module',
+    },
+  },
+  docs = {
+    description = [[
+https://github.com/imc-trading/svlangserver
+
+`svlangserver`, a language server for systemverilog
+]],
+  },
+}