Add CodeQL support (#138)

* Add support for CodeQL LS

1 files changed, 50 insertions, 0 deletions

diff --git a/lua/nvim_lsp/codeqlls.lua b/lua/nvim_lsp/codeqlls.lua
new file mode 100644
index 00000000..dfa917de
--- /dev/null
+++ b/lua/nvim_lsp/codeqlls.lua
@@ -0,0 +1,50 @@
+local configs = require "nvim_lsp/configs"
+local util = require "nvim_lsp/util"
+
+local server_name = "codeqlls"
+
+local root_pattern = util.root_pattern("qlpack.yml")
+
+configs[server_name] = {
+    default_config = {
+        cmd = {"codeql", "execute", "language-server", "--check-errors", "ON_CHANGE", "-q"};
+        filetypes = {'codeql'};
+        root_dir = function(fname)
+            return root_pattern("qlpack.yml") or util.path.dirname(fname)
+        end;
+        log_level = vim.lsp.protocol.MessageType.Warning;
+        before_init = function(initialize_params, config)
+            initialize_params['workspaceFolders'] = {{
+                    name = 'workspace',
+                    uri = initialize_params['rootUri']
+            }}
+        end;
+        settings = {
+            ["search_path"] = {}
+        };
+    };
+    docs = {
+        package_json = "https://github.com/github/vscode-codeql/blob/master/extensions/ql-vscode/package.json";
+        description = [[
+Reference:
+https://help.semmle.com/codeql/codeql-cli.html
+
+Binaries:
+https://github.com/github/codeql-cli-binaries
+        ]];
+        default_config = {
+            settings = {
+                search_path = [[list containing all search paths, eg: '~/codeql-home/codeql-repo']];
+            };
+        };
+    };
+    on_new_config = function(config)
+        if type(config.settings.search_path) == 'table' and not vim.tbl_isempty(config.settings.search_path) then
+            local search_path = "--search-path="
+            for _, path in ipairs(config.settings.search_path) do
+                search_path = search_path..vim.fn.expand(path)..":"
+            end
+            config.cmd = {"codeql", "execute", "language-server", "--check-errors", "ON_CHANGE", "-q", search_path}
+        end
+    end;
+}