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neovim-flake/modules/languages/go.nix

131 lines
3.5 KiB
Nix

{
pkgs,
config,
lib,
...
}: let
inherit (builtins) attrNames;
inherit (lib) isList nvim getExe mkEnableOption mkOption types mkMerge mkIf;
cfg = config.vim.languages.go;
defaultServer = "gopls";
servers = {
gopls = {
package = pkgs.gopls;
lspConfig = ''
lspconfig.gopls.setup {
capabilities = capabilities;
on_attach = default_on_attach;
cmd = ${
if isList cfg.lsp.package
then nvim.lua.expToLua cfg.lsp.package
else ''{"${cfg.lsp.package}/bin/gopls", "serve"}''
},
}
'';
};
};
defaultDebugger = "delve";
debuggers = {
delve = {
package = pkgs.delve;
dapConfig = ''
dap.adapters.delve = {
type = "server",
port = "''${port}",
executable = {
command = "${getExe cfg.dap.package}",
args = { "dap", "-l", "127.0.0.1:''${port}" },
},
}
dap.configurations.go = {
{
type = "delve",
name = "Debug",
request = "launch",
program = "''${file}",
},
{
type = "delve",
name = "Debug test", -- configuration for debugging test files
request = "launch",
mode = "test",
program = "''${file}",
},
-- works with go.mod packages and sub packages
{
type = "delve",
name = "Debug test (go.mod)",
request = "launch",
mode = "test",
program = "./''${relativeFileDirname}",
},
}
'';
};
};
in {
options.vim.languages.go = {
enable = mkEnableOption "Go language support";
treesitter = {
enable = mkEnableOption "Go treesitter" // {default = config.vim.languages.enableTreesitter;};
package = nvim.types.mkGrammarOption pkgs "go";
};
lsp = {
enable = mkEnableOption "Go LSP support" // {default = config.vim.languages.enableLSP;};
server = mkOption {
description = "Go LSP server to use";
type = with types; enum (attrNames servers);
default = defaultServer;
};
package = mkOption {
description = "Go LSP server package, or the command to run as a list of strings";
example = ''[lib.getExe pkgs.jdt-language-server " - data " " ~/.cache/jdtls/workspace "]'';
type = with types; either package (listOf str);
default = servers.${cfg.lsp.server}.package;
};
};
dap = {
enable = mkOption {
description = "Enable Go Debug Adapter";
type = types.bool;
default = config.vim.languages.enableDAP;
};
debugger = mkOption {
description = "Go debugger to use";
type = with types; enum (attrNames debuggers);
default = defaultDebugger;
};
package = mkOption {
description = "Go debugger package.";
type = types.package;
default = debuggers.${cfg.dap.debugger}.package;
};
};
};
config = mkIf cfg.enable (mkMerge [
(mkIf cfg.treesitter.enable {
vim.treesitter.enable = true;
vim.treesitter.grammars = [cfg.treesitter.package];
})
(mkIf cfg.lsp.enable {
vim.lsp.lspconfig.enable = true;
vim.lsp.lspconfig.sources.go-lsp = servers.${cfg.lsp.server}.lspConfig;
})
(mkIf cfg.dap.enable {
vim.debugger.nvim-dap.enable = true;
vim.debugger.nvim-dap.sources.go-debugger = debuggers.${cfg.dap.debugger}.dapConfig;
})
]);
}