mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-11-14 12:28:29 +00:00
nicole mazzuca
3056e7e318
This fixes an error that would happen when opening neovim in a non-git-controlled directory, where `root` is `nil` and therefore one cannot `..` it as a string.
39 lines
1.1 KiB
Lua
39 lines
1.1 KiB
Lua
-- Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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-- Exceptions. See /LICENSE for license information.
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-- SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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vim.filetype.add({
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extension = {
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carbon = 'carbon',
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},
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})
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vim.treesitter.language.add("carbon")
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vim.api.nvim_create_autocmd('FileType', {
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pattern = { 'carbon' },
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callback = function() vim.treesitter.start() end,
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})
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-- LSP
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function find_git_ancestor(startpath)
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return vim.fs.dirname(vim.fs.find('.git', { path = startpath, upward = true })[1])
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end
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local root = find_git_ancestor(vim.env.PWD);
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toolchain_path = nil
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if root and vim.uv.fs_stat(root .. "/bazel/carbon_rules") then
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-- when we're in the carbon repo, use the toolchain from there
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-- (note that this won't update if one `cd`s into the carbon repo)
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toolchain_path = root .. "/bazel-bin/toolchain/carbon"
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elseif vim.fn.executable("carbon") then
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-- otherwise, check if it's on the path
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toolchain_path = "carbon"
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end
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if toolchain_path then
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vim.lsp.config("carbon", {
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cmd = { toolchain_path, "language-server" },
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filetypes = { "carbon" },
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})
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vim.lsp.enable("carbon")
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end
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