From 95aea6b533e71e478d61d18fac71cca116c56a4d Mon Sep 17 00:00:00 2001
From: Michael Smith <mikesmiffy128@gmail.com>
Date: Sun, 22 May 2022 22:47:23 +0100
Subject: Add all the plugins I currently use

---
 .../lua/lspconfig/server_configurations/leanls.lua | 77 ++++++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100644 start/lspconfig-0.1.3/lua/lspconfig/server_configurations/leanls.lua

(limited to 'start/lspconfig-0.1.3/lua/lspconfig/server_configurations/leanls.lua')

diff --git a/start/lspconfig-0.1.3/lua/lspconfig/server_configurations/leanls.lua b/start/lspconfig-0.1.3/lua/lspconfig/server_configurations/leanls.lua
new file mode 100644
index 0000000..208598a
--- /dev/null
+++ b/start/lspconfig-0.1.3/lua/lspconfig/server_configurations/leanls.lua
@@ -0,0 +1,77 @@
+local util = require 'lspconfig.util'
+
+return {
+  default_config = {
+    cmd = { 'lake', 'serve', '--' },
+    filetypes = { 'lean' },
+    root_dir = function(fname)
+      -- check if inside elan stdlib
+      fname = util.path.sanitize(fname)
+      local stdlib_dir
+      do
+        local _, endpos = fname:find '/src/lean'
+        if endpos then
+          stdlib_dir = fname:sub(1, endpos)
+        end
+      end
+      if not stdlib_dir then
+        local _, endpos = fname:find '/lib/lean'
+        if endpos then
+          stdlib_dir = fname:sub(1, endpos)
+        end
+      end
+
+      return util.root_pattern('lakefile.lean', 'lean-toolchain', 'leanpkg.toml')(fname)
+        or stdlib_dir
+        or util.find_git_ancestor(fname)
+    end,
+    options = {
+      -- Only Lake 3.0+ supports lake serve, so for old enough Lean 4,
+      -- or core Lean itself, this command (typically using the in-built
+      -- Lean 4 language server) will be used instead.
+      no_lake_lsp_cmd = { 'lean', '--server' },
+    },
+    on_new_config = function(config, root_dir)
+      local use_lake_serve = false
+      if util.path.exists(util.path.join(root_dir, 'lakefile.lean')) then
+        local lake_version = ''
+        local lake_job = vim.fn.jobstart({ 'lake', '--version' }, {
+          on_stdout = function(_, d, _)
+            lake_version = table.concat(d, '\n')
+          end,
+          stdout_buffered = true,
+        })
+        if lake_job > 0 and vim.fn.jobwait({ lake_job })[1] == 0 then
+          local major = lake_version:match 'Lake version (%d).'
+          if major and tonumber(major) >= 3 then
+            use_lake_serve = true
+          end
+        end
+      end
+      if not use_lake_serve then
+        config.cmd = config.options.no_lake_lsp_cmd
+      end
+      -- add root dir as command-line argument for `ps aux`
+      table.insert(config.cmd, root_dir)
+    end,
+    single_file_support = true,
+  },
+  docs = {
+    description = [[
+https://github.com/leanprover/lean4
+
+Lean installation instructions can be found
+[here](https://leanprover-community.github.io/get_started.html#regular-install).
+
+The Lean 4 language server is built-in with a Lean 4 install
+(and can be manually run with, e.g., `lean --server`).
+
+Note: that if you're using [lean.nvim](https://github.com/Julian/lean.nvim),
+that plugin fully handles the setup of the Lean language server,
+and you shouldn't set up `leanls` both with it and `lspconfig`.
+    ]],
+    default_config = {
+      root_dir = [[root_pattern("lakefile.lean", "lean-toolchain", "leanpkg.toml", ".git")]],
+    },
+  },
+}
-- 
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