diff options
Diffstat (limited to 'runtime/lua/vim/lsp/buf.lua')
| -rw-r--r-- | runtime/lua/vim/lsp/buf.lua | 86 |
1 files changed, 84 insertions, 2 deletions
diff --git a/runtime/lua/vim/lsp/buf.lua b/runtime/lua/vim/lsp/buf.lua index 5f54196dcc..e8a38aa6ef 100644 --- a/runtime/lua/vim/lsp/buf.lua +++ b/runtime/lua/vim/lsp/buf.lua @@ -33,7 +33,7 @@ end local function request(method, params, callback) -- TODO(ashkan) enable this. - -- callback = vim.lsp.default_callback[method] or callback + -- callback = vim.lsp.default_callbacks[method] or callback validate { method = {method, 's'}; callback = {callback, 'f'}; @@ -172,9 +172,78 @@ function M.implementation() request('textDocument/implementation', params, location_callback) end +--- Convert SignatureHelp response to preview contents. +-- https://microsoft.github.io/language-server-protocol/specifications/specification-3-14/#textDocument_signatureHelp +local function signature_help_to_preview_contents(input) + if not input.signatures then + return + end + --The active signature. If omitted or the value lies outside the range of + --`signatures` the value defaults to zero or is ignored if `signatures.length + --=== 0`. Whenever possible implementors should make an active decision about + --the active signature and shouldn't rely on a default value. + local contents = {} + local active_signature = input.activeSignature or 0 + -- If the activeSignature is not inside the valid range, then clip it. + if active_signature >= #input.signatures then + active_signature = 0 + end + local signature = input.signatures[active_signature + 1] + if not signature then + return + end + vim.list_extend(contents, split_lines(signature.label)) + if signature.documentation then + util.convert_input_to_markdown_lines(signature.documentation, contents) + end + if input.parameters then + local active_parameter = input.activeParameter or 0 + -- If the activeParameter is not inside the valid range, then clip it. + if active_parameter >= #input.parameters then + active_parameter = 0 + end + local parameter = signature.parameters and signature.parameters[active_parameter] + if parameter then + --[=[ + --Represents a parameter of a callable-signature. A parameter can + --have a label and a doc-comment. + interface ParameterInformation { + --The label of this parameter information. + -- + --Either a string or an inclusive start and exclusive end offsets within its containing + --signature label. (see SignatureInformation.label). The offsets are based on a UTF-16 + --string representation as `Position` and `Range` does. + -- + --*Note*: a label of type string should be a substring of its containing signature label. + --Its intended use case is to highlight the parameter label part in the `SignatureInformation.label`. + label: string | [number, number]; + --The human-readable doc-comment of this parameter. Will be shown + --in the UI but can be omitted. + documentation?: string | MarkupContent; + } + --]=] + -- TODO highlight parameter + if parameter.documentation then + util.convert_input_to_markdown_lines(parameter.documentation, contents) + end + end + end + return contents +end + function M.signature_help() local params = protocol.make_text_document_position_params() - request('textDocument/signatureHelp', params, location_callback) + focusable_preview('textDocument/signatureHelp', params, function(result) + if not (result and result.signatures and result.signatures[1]) then return end + + -- TODO show empty popup when signatures is empty? + local lines = signature_help_to_preview_contents(result) + lines = util.trim_empty_lines(lines) + if vim.tbl_isempty(lines) then + return { 'No signature available' } + end + return lines, util.try_trim_markdown_code_blocks(lines) + end) end -- TODO(ashkan) ? @@ -195,4 +264,17 @@ end function M.range_formatting() end +function M.rename(new_name) + -- TODO(ashkan) use prepareRename + -- * result: [`Range`](#range) \| `{ range: Range, placeholder: string }` \| `null` describing the range of the string to rename and optionally a placeholder text of the string content to be renamed. If `null` is returned then it is deemed that a 'textDocument/rename' request is not valid at the given position. + local params = protocol.make_text_document_position_params() + new_name = new_name or npcall(vfn.input, "New Name: ") + if not (new_name and #new_name > 0) then return end + params.newName = new_name + request('textDocument/rename', params, function(_, _, result) + if not result then return end + util.workspace_apply_workspace_edit(result) + end) +end + return M |