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local util = require 'lspconfig.util'
local function switch_source_header(bufnr)
local method_name = 'textDocument/switchSourceHeader'
bufnr = util.validate_bufnr(bufnr)
local client = vim.lsp.get_clients({ bufnr = bufnr, name = 'ccls' })[1]
if not client then
return vim.notify(('method %s is not supported by any servers active on the current buffer'):format(method_name))
end
local params = vim.lsp.util.make_text_document_params(bufnr)
client.request(method_name, params, function(err, result)
if err then
error(tostring(err))
end
if not result then
vim.notify('corresponding file cannot be determined')
return
end
vim.cmd.edit(vim.uri_to_fname(result))
end, bufnr)
end
return {
default_config = {
cmd = { 'ccls' },
filetypes = { 'c', 'cpp', 'objc', 'objcpp', 'cuda' },
root_dir = function(fname)
return util.root_pattern('compile_commands.json', '.ccls')(fname)
or vim.fs.dirname(vim.fs.find('.git', { path = fname, upward = true })[1])
end,
offset_encoding = 'utf-32',
-- ccls does not support sending a null root directory
single_file_support = false,
},
commands = {
CclsSwitchSourceHeader = {
function()
switch_source_header(0)
end,
description = 'Switch between source/header',
},
},
docs = {
description = [[
https://github.com/MaskRay/ccls/wiki
ccls relies on a [JSON compilation database](https://clang.llvm.org/docs/JSONCompilationDatabase.html) specified
as compile_commands.json or, for simpler projects, a .ccls.
For details on how to automatically generate one using CMake look [here](https://cmake.org/cmake/help/latest/variable/CMAKE_EXPORT_COMPILE_COMMANDS.html). Alternatively, you can use [Bear](https://github.com/rizsotto/Bear).
Customization options are passed to ccls at initialization time via init_options, a list of available options can be found [here](https://github.com/MaskRay/ccls/wiki/Customization#initialization-options). For example:
```lua
local lspconfig = require'lspconfig'
lspconfig.ccls.setup {
init_options = {
compilationDatabaseDirectory = "build";
index = {
threads = 0;
};
clang = {
excludeArgs = { "-frounding-math"} ;
};
}
}
```
]],
},
}
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