nix-config/modules/home/vim/lua/ambroisie/lsp.lua

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local M = {}
-- Simplified LSP formatting configuration
local lsp_format = require("lsp-format")
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--- Move to the next/previous diagnostic, automatically showing the diagnostics
--- float if necessary.
--- @param forward whether to go forward or backwards
local function goto_diagnostic(forward)
vim.validate({
forward = { forward, "boolean" },
})
local opts = {
float = false,
}
-- Only show floating diagnostics if they are otherwise not displayed
local config = vim.diagnostic.config()
if not (config.virtual_text or config.virtual_lines) then
opts.float = true
end
if forward then
vim.diagnostic.goto_next(opts)
else
vim.diagnostic.goto_prev(opts)
end
end
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--- Move to the next diagnostic, automatically showing the diagnostics float if
--- necessary.
M.goto_next_diagnostic = function()
goto_diagnostic(true)
end
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--- Move to the previous diagnostic, automatically showing the diagnostics float
--- if necessary.
M.goto_prev_diagnostic = function()
goto_diagnostic(false)
end
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--- shared LSP configuration callback
--- @param client native client configuration
--- @param bufnr int? buffer number of the attched client
M.on_attach = function(client, bufnr)
-- Format on save
lsp_format.on_attach(client, bufnr)
-- Mappings
local wk = require("which-key")
local function list_workspace_folders()
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vim.print(vim.lsp.buf.list_workspace_folders())
end
local function cycle_diagnostics_display()
-- Cycle from:
-- * nothing displayed
-- * single diagnostic at the end of the line (`virtual_text`)
-- * full diagnostics using virtual text (`virtual_lines`)
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local text = vim.diagnostic.config().virtual_text
local lines = vim.diagnostic.config().virtual_lines
-- Text -> Lines transition
if text then
text = false
lines = true
-- Lines -> Nothing transition
elseif lines then
text = false
lines = false
-- Nothing -> Text transition
else
text = true
lines = false
end
vim.diagnostic.config({
virtual_text = text,
virtual_lines = lines,
})
end
local function show_buffer_diagnostics()
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vim.diagnostic.open_float(nil, { scope = "buffer" })
end
local keys = {
K = { vim.lsp.buf.hover, "Show symbol information" },
["<C-k>"] = { vim.lsp.buf.signature_help, "Show signature information" },
["gd"] = { vim.lsp.buf.definition, "Go to definition" },
["gD"] = { vim.lsp.buf.declaration, "Go to declaration" },
["gi"] = { vim.lsp.buf.implementation, "Go to implementation" },
["gr"] = { vim.lsp.buf.references, "List all references" },
["<leader>c"] = {
name = "Code",
a = { vim.lsp.buf.code_action, "Code actions" },
d = { cycle_diagnostics_display, "Cycle diagnostics display" },
D = { show_buffer_diagnostics, "Show buffer diagnostics" },
r = { vim.lsp.buf.rename, "Rename symbol" },
s = { vim.lsp.buf.signature_help, "Show signature" },
t = { vim.lsp.buf.type_definition, "Go to type definition" },
w = {
name = "Workspace",
a = { vim.lsp.buf.add_workspace_folder, "Add folder to workspace" },
l = { list_workspace_folders, "List folders in workspace" },
r = { vim.lsp.buf.remove_workspace_folder, "Remove folder from workspace" },
},
},
}
wk.register(keys, { buffer = bufnr })
end
return M