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76 lines
2.2 KiB
Lua
76 lines
2.2 KiB
Lua
local gui = require "navigator.gui"
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local util = require "navigator.util"
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local mk_handler = util.mk_handler
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local log = util.log
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local partial = util.partial
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local lsphelper = require "navigator.lspwrapper"
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local cwd = vim.loop.cwd()
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local M = {}
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--- navigator signature
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local match_parameter = function(result)
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local signatures = result.signatures
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if #signatures < 1 then
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return result
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end
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local signature = signatures[1]
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local activeParameter = result.activeParameter or signature.activeParameter
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if activeParameter == nil then
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return result
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end
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if signature.parameters == nil then
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return
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end
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if #signature.parameters < 2 or activeParameter + 1 > #signature.parameters then
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return result
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end
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local nextParameter = signature.parameters[activeParameter + 1]
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local label = signature.label
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if type(nextParameter.label) == "table" then -- label = {2, 4} c style
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local range = nextParameter.label
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label = label:sub(1, range[1]) .. [[`]] .. label:sub(range[1] + 1, range[2]) .. [[`]]
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.. label:sub(range[2] + 1, #label + 1)
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signature.label = label
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else
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if type(nextParameter.label) == "string" then -- label = 'par1 int'
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local i, j = label:find(nextParameter.label, 1, true)
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if i ~= nil then
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label = label:sub(1, i - 1) .. [[`]] .. label:sub(i, j) .. [[`]] .. label:sub(j + 1, #label + 1)
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signature.label = label
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end
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end
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end
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end
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local signature_handler = mk_handler(function(err, result, ctx, config)
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if config == nil then
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log("config nil")
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end
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if err then
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vim.notify("signature help error: ", err, vim.inspect(result), ctx, config, vim.lsp.log_levels.WARN)
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end
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config = config or {}
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if config.border == nil then
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config.border = _NgConfigValues.border
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end
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if not (result and result.signatures and result.signatures[1]) then
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return
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end
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match_parameter(result)
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local lines = vim.lsp.util.convert_signature_help_to_markdown_lines(result)
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if vim.tbl_isempty(lines) then
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return
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end
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local syntax = vim.lsp.util.try_trim_markdown_code_blocks(lines)
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config.focus_id = ctx.bufnr .. "lsp_signature"
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vim.lsp.util.open_floating_preview(lines, syntax, config)
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end)
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return {signature_handler = signature_handler}
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