perf(snip): add cpp snip

lua/plugins/snips/cpp.lua

@@ -0,0 +1,112 @@
+-- Copyright (c) 2024 The Authors. All rights reserved.
+--
+-- Licensed under the Apache License, Version 2.0 (the "License");
+-- you may not use this file except in compliance with the License.
+-- You may obtain a copy of the License at
+--
+--      https://www.apache.org/licenses/LICENSE-2.0
+--
+-- Unless required by applicable law or agreed to in writing, software
+-- distributed under the License is distributed on an "AS IS" BASIS,
+-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+-- See the License for the specific language governing permissions and
+-- limitations under the License.
+
+-- Authors: liubang (it.liubang@gmail.com)
+
+local ls = require("luasnip")
+local s = ls.snippet
+local t = ls.text_node
+local f = ls.function_node
+local ts_utils = require("nvim-treesitter.ts_utils")
+
+local function get_class_name()
+  local bufnr = vim.api.nvim_get_current_buf()
+  local curr = ts_utils.get_node_at_cursor()
+  local expr = curr
+  while expr do
+    if expr:type() == "class_specifier" or expr:type() == "struct_specifier" then
+      break
+    end
+    expr = expr:parent()
+  end
+  if not expr then
+    return ""
+  end
+  return vim.treesitter.get_node_text(expr:child(1), bufnr)
+end
+
+local snippets = {
+  s("disalbecopymove", {
+    t({ "// disable copy and move", "" }),
+    f(function()
+      return get_class_name()
+    end, {}, {}),
+    t({ "(const " }),
+    f(function()
+      return get_class_name()
+    end, {}, {}),
+    t({ "&) = delete;", "" }),
+    f(function()
+      return get_class_name()
+    end, {}, {}),
+    t({ "(" }),
+    f(function()
+      return get_class_name()
+    end, {}, {}),
+    t({ "&&) = delete;", "" }),
+    f(function()
+      return get_class_name()
+    end),
+    t({ "& operator=(const " }),
+    f(function()
+      return get_class_name()
+    end),
+    t({ "&) = delete;", "" }),
+    f(function()
+      return get_class_name()
+    end),
+    t({ "& operator=(" }),
+    f(function()
+      return get_class_name()
+    end),
+    t({ "&&) = delete;", "" }),
+  }),
+  s("defaultcopymove", {
+    t({ "// default copy and move", "" }),
+    f(function()
+      return get_class_name()
+    end, {}, {}),
+    t({ "(const " }),
+    f(function()
+      return get_class_name()
+    end, {}, {}),
+    t({ "&) = default;", "" }),
+    f(function()
+      return get_class_name()
+    end, {}, {}),
+    t({ "(" }),
+    f(function()
+      return get_class_name()
+    end, {}, {}),
+    t({ "&&) = default;", "" }),
+    f(function()
+      return get_class_name()
+    end),
+    t({ "& operator=(const " }),
+    f(function()
+      return get_class_name()
+    end),
+    t({ "&) = default;", "" }),
+    f(function()
+      return get_class_name()
+    end),
+    t({ "& operator=(" }),
+    f(function()
+      return get_class_name()
+    end),
+    t({ "&&) = default;", "" }),
+  }),
+}
+
+ls.add_snippets("cpp", snippets)

lua/plugins/snips/init.lua

@@ -21,12 +21,7 @@ return {
       and "echo 'NOTE: jsregexp is optional, so not a big deal if it fails to build'; make install_jsregexp"
     or nil,
   dependencies = {
-    {
-      "rafamadriz/friendly-snippets",
-      config = function()
-        require("luasnip.loaders.from_vscode").lazy_load()
-      end,
-    },
+    { "rafamadriz/friendly-snippets" },
   },
   opts = {
     history = true,
@@ -58,6 +53,7 @@ return {
   config = function(_, opts)
     require("luasnip").setup(opts)
     require("plugins.snips.all")
+    require("plugins.snips.cpp")
     require("luasnip.loaders.from_vscode").lazy_load()
   end,
 }