Updates to nvim lsp

1 files changed, 77 insertions, 0 deletions

diff --git a/.config/nvim/lua/lsp/null-ls/linters.lua b/.config/nvim/lua/lsp/null-ls/linters.lua
new file mode 100644
index 0000000..a0675a7
--- /dev/null
+++ b/.config/nvim/lua/lsp/null-ls/linters.lua
@@ -0,0 +1,77 @@
+local M = {}
+local linters_by_ft = {}
+
+local null_ls = require "null-ls"
+local services = require "lsp.null-ls.services"
+local logger = require("core.log"):get_default()
+
+local function list_names(linters, option)
+  option = option or {}
+  local filter = option.filter or "supported"
+
+  return vim.tbl_keys(linters[filter])
+end
+
+function M.list_supported_names(filetype)
+  if not linters_by_ft[filetype] then
+    return {}
+  end
+  return list_names(linters_by_ft[filetype], { filter = "supported" })
+end
+
+function M.list_unsupported_names(filetype)
+  if not linters_by_ft[filetype] then
+    return {}
+  end
+  return list_names(linters_by_ft[filetype], { filter = "unsupported" })
+end
+
+function M.list_available(filetype)
+  local linters = {}
+  for _, provider in pairs(null_ls.builtins.diagnostics) do
+    -- TODO: Add support for wildcard filetypes
+    if vim.tbl_contains(provider.filetypes or {}, filetype) then
+      table.insert(linters, provider.name)
+    end
+  end
+
+  return linters
+end
+
+function M.list_configured(linter_configs)
+  local linters, errors = {}, {}
+
+  for _, lnt_config in pairs(linter_configs) do
+    local linter = null_ls.builtins.diagnostics[lnt_config.exe]
+
+    if not linter then
+      logger.error("Not a valid linter:", lnt_config.exe)
+      errors[lnt_config.exe] = {} -- Add data here when necessary
+    else
+      local linter_cmd = services.find_command(linter._opts.command)
+      if not linter_cmd then
+        logger.warn("Not found:", linter._opts.command)
+        errors[lnt_config.exe] = {} -- Add data here when necessary
+      else
+        logger.info("Using linter:", linter_cmd)
+        linters[lnt_config.exe] = linter.with {
+          command = linter_cmd,
+          extra_args = lnt_config.args,
+        }
+      end
+    end
+  end
+
+  return { supported = linters, unsupported = errors }
+end
+
+function M.setup(filetype, option)
+  if linters_by_ft[filetype] and not option.force_reload then
+    return
+  end
+
+  linters_by_ft[filetype] = M.list_configured(options.lang[filetype].linters)
+  null_ls.register { sources = linters_by_ft[filetype].supported }
+end
+
+return M