initial language server protocol implementation #27

prabirshrestha · 2017-01-08T06:34:39Z

Here is the initial implementation of some of the features of language server protocol (#26)
Currently it only supports 3 method - initialize, textDocument/didOpen, textDocument/documentSymbols as a proof of concept.
This vim plugin is not included in this CR (but if any one wants to try it out let me know and I can share it)

The implementation is similar to https://github.com/sourcegraph/go-langserver

My next step would be to add support for more of the lsp features and also write a vscode plugin so that I can test with a real client.

Note: I'm not a go dev so this may not be idiomatic go code but feel free to comment.

review-dog · 2017-01-08T06:35:55Z

langserver/handle_text_document_symbol.go

+		} else {
+			return getDocumentSymbols(params, node), nil
+		}
+		return nil, nil


[govet] _{reported by reviewdog 🐶}
unreachable code

review-dog · 2017-01-08T06:35:56Z

langserver/handle_text_document_symbol.go

+		}
+		return nil, nil
+	} else {
+		return nil, errors.New(fmt.Sprintf("% not open", params.TextDocument.URI))


[govet] _{reported by reviewdog 🐶}
unrecognized printf verb 'n'

review-dog · 2017-01-08T06:35:56Z

langserver/lsp.go

+	ProcessID             int                `json:"processId,omitempty"`
+	RootPath              string             `json:"rootPath,omitempty"`
+	InitializationOptions InitializeOptions  `json:"initializationOptions,omitempty"`
+	Capabilities          ClientCapabilities `json:"capabilities",omitempty`


[govet] _{reported by reviewdog 🐶}
struct field tag json:"capabilities",omitempty not compatible with reflect.StructTag.Get: bad syntax for struct tag pair

review-dog · 2017-01-08T06:35:58Z

langserver/handle_text_document_did_open.go

+	f, err := NewVimFile(params.TextDocument)
+	if err != nil {
+		return nil, err
+	} else {


[golint] _{reported by reviewdog 🐶}
if block ends with a return statement, so drop this else and outdent its block

review-dog · 2017-01-08T06:35:58Z

langserver/handle_text_document_symbol.go

+		node, err := f.GetAst()
+		if err != nil {
+			return nil, err
+		} else {


[golint] _{reported by reviewdog 🐶}
if block ends with a return statement, so drop this else and outdent its block

review-dog · 2017-01-08T06:35:58Z

langserver/handle_text_document_symbol.go

+			return getDocumentSymbols(params, node), nil
+		}
+		return nil, nil
+	} else {


[golint] _{reported by reviewdog 🐶}
if block ends with a return statement, so drop this else and outdent its block (move short variable declaration to its own line if necessary)

review-dog · 2017-01-08T06:35:58Z

langserver/handle_text_document_symbol.go

+		}
+		return nil, nil
+	} else {
+		return nil, errors.New(fmt.Sprintf("% not open", params.TextDocument.URI))


[golint] _{reported by reviewdog 🐶}
should replace errors.New(fmt.Sprintf(...)) with fmt.Errorf(...)

review-dog · 2017-01-08T06:35:58Z

langserver/handler.go

+	"github.com/sourcegraph/jsonrpc2"
+)
+
+func NewHandler() jsonrpc2.Handler {


[golint] _{reported by reviewdog 🐶}
exported function NewHandler should have comment or be unexported

review-dog · 2017-01-08T06:35:59Z

langserver/lsp.go

+type SymbolKind int
+
+const (
+	SKFile        SymbolKind = 1


[golint] _{reported by reviewdog 🐶}
exported const SKFile should have comment (or a comment on this block) or be unexported

review-dog · 2017-01-08T06:35:59Z

langserver/lsp.go

+	SKArray       SymbolKind = 18
+)
+
+type SymbolInformation struct {


[golint] _{reported by reviewdog 🐶}
exported type SymbolInformation should have comment or be unexported

review-dog · 2017-01-08T06:35:59Z

langserver/lsp.go

+	Location Location   `json:"location"`
+}
+
+type Location struct {


[golint] _{reported by reviewdog 🐶}
exported type Location should have comment or be unexported

review-dog · 2017-01-08T06:35:59Z

langserver/lsp.go

+	Range Range  `json:"range"`
+}
+
+type Range struct {


[golint] _{reported by reviewdog 🐶}
exported type Range should have comment or be unexported

review-dog · 2017-01-08T06:35:59Z

langserver/lsp.go

+	End   Position `json:"end"`
+}
+
+type Position struct {


[golint] _{reported by reviewdog 🐶}
exported type Position should have comment or be unexported

coveralls · 2017-01-08T06:39:16Z

Coverage decreased (-2.4%) to 80.917% when pulling d320a46 on prabirshrestha:langserver-vim into f57a807 on haya14busa:master.

coveralls · 2017-01-08T06:39:16Z

Coverage decreased (-2.4%) to 80.917% when pulling d320a46 on prabirshrestha:langserver-vim into f57a807 on haya14busa:master.

haya14busa · 2017-01-08T07:23:10Z

Thanks @prabirshrestha ! It looks interesting. I will check it later soon.

review-dog · 2017-01-08T18:22:10Z

langserver/handle_text_document_symbol.go

+		}
+		return getDocumentSymbols(params, node), nil
+	}
+	return nil, fmt.Errorf("% not open", params.TextDocument.URI)


[govet] _{reported by reviewdog 🐶}
unrecognized printf verb 'n'

review-dog · 2017-01-08T18:22:12Z

langserver/lsp.go

+	Trace                 string             `json:"trace,omitempty"`
+}
+
+type InitializeOptions struct {


[golint] _{reported by reviewdog 🐶}
exported type InitializeOptions should have comment or be unexported

coveralls · 2017-01-08T18:23:53Z

Coverage decreased (-2.4%) to 81.005% when pulling 3351ff2 on prabirshrestha:langserver-vim into f57a807 on haya14busa:master.

coveralls · 2017-01-08T18:23:53Z

Coverage decreased (-2.4%) to 81.005% when pulling 3351ff2 on prabirshrestha:langserver-vim into f57a807 on haya14busa:master.

review-dog · 2017-01-08T18:26:44Z

langserver/lsp.go

+	Trace                 string             `json:"trace,omitempty"`
+}
+
+type InitializeOptions struct {


[golint] _{reported by reviewdog 🐶}
exported type InitializeOptions should have comment or be unexported

coveralls · 2017-01-08T18:28:16Z

Coverage decreased (-2.4%) to 81.005% when pulling 2fc51de on prabirshrestha:langserver-vim into f57a807 on haya14busa:master.

coveralls · 2017-01-08T18:28:16Z

Coverage decreased (-2.4%) to 81.005% when pulling 2fc51de on prabirshrestha:langserver-vim into f57a807 on haya14busa:master.

support lambda

natebosch · 2018-01-17T04:36:49Z

Is there any chance of this getting revived? It would be awesome to have a language server for viml!

prabirshrestha · 2018-01-20T19:30:26Z

@natebosch I believe @haya14busa is still waiting on me to fix lint issues. I haven't been able to have a look at this yet but if you are interested I would be more than happy to give you write access to my repo so that the issues can be addressed first.

mattn · 2019-01-14T14:56:24Z

Any update on this?

prabirshrestha · 2019-01-15T12:14:27Z

No updates from my side. Bit more details at here. #26

I do write vimscript a lot so if someone is willing to take this further I would be glad to help out.

mattn · 2019-01-22T06:06:02Z

I implemented completion for v: constants.

@haya14busa If you don't have enough time to do this, I can add some features to integrate to Vim script.

mattn · 2019-02-05T10:53:50Z

@prabirshrestha I created efm-langserver that is based on your langserver and haya14busa's errorformat. Thanks.

https://github.com/mattn/efm-langserver

prabirshrestha · 2019-05-19T06:46:54Z

Haven't tried it but this does seem promising. https://github.com/iamcco/vim-language-server

initial language server protocol implementation

d320a46

review-dog reviewed Jan 8, 2017

View reviewed changes

fix some golint issues

3351ff2

review-dog reviewed Jan 8, 2017

View reviewed changes

fixed go vet issues

2fc51de

review-dog reviewed Jan 8, 2017

View reviewed changes

prabirshrestha mentioned this pull request Feb 6, 2017

get an AST of a viml source neovim/neovim#6058

Closed

haya14busa pushed a commit that referenced this pull request Nov 17, 2017

Merge pull request #27 from haya14busa/vim-vimlparser-lambda

b5f8373

support lambda

prabirshrestha mentioned this pull request Jan 13, 2019

make contentChanges smaller in DidChangeTextDocumentParams prabirshrestha/vim-lsp#241

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initial language server protocol implementation #27

initial language server protocol implementation #27

prabirshrestha commented Jan 8, 2017 •

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prabirshrestha commented May 19, 2019

initial language server protocol implementation #27

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initial language server protocol implementation #27

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