Version: v0.456.0 Latest Latest

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Published: Sep 20, 2021 License: Apache-2.0 Imports: 12 Imported by: 0


Generate server_gen.go

helper generates boilerplate code for server.go by processing the generated code in protocol/tsserver.go.

First, build helper in this directory (go build .).

In directory lsp, executing go generate server.go generates the stylized file server_gen.go that contains stubs for type Server.

It decides what stubs are needed and their signatures by looking at the Server interface (-t flag). These all look somewhat like Resolve(context.Context, *CompletionItem) (*CompletionItem, error).

It then parses the lsp directory (-u flag) to see if there is a corresponding implementation function (which in this case would be named resolve). If so it discovers the parameter names needed, and generates (in server_gen.go) code like

func (s *Server) resolve(ctx context.Context, params *protocol.CompletionItem) (*protocol.CompletionItem, error) {
    return s.resolve(ctx, params)

If resolve is not defined (and it is not), then the body of the generated function is

    return nil, notImplemented("resolve")

So to add a capability currently not implemented, just define it somewhere in lsp. In this case, just define func (s *Server) resolve(...) and re-generate server_gen.go.



Invoke with //go:generate helper/helper -t Server -d protocol/tsserver.go -u lsp -o server_gen.go invoke in lspframework/lsp

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