vim-lsp

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I can see "No definition found" message if LspDefinition can find any definiton, but how to know this in vim script?

I have tried following, but neither of it working

redir => l:msg
:LspDefinition
redir END
if l:msg == "No definition found"
let l:ret = 1
endif

try
:LspDefinition
catch
 let l:ret = 1
endtry

I try to use cscope or ctags if lsp not working, that's why I need to know if Lsp command fail or success.

Have you found a way around this? I'm having the same issue.

Vim-lsp does not throw exceptions, that is why your second approach didn't work. The solution I found:

diff --git a/autoload/lsp/utils.vim b/autoload/lsp/utils.vim
index 5bcdb7b..a8292c3 100644
--- a/autoload/lsp/utils.vim
+++ b/autoload/lsp/utils.vim
@@ -271,6 +271,7 @@ function! lsp#utils#error(msg) abort
     echohl ErrorMsg
     echom a:msg
     echohl NONE
+    throw "LspError"
 endfunction
 
 function! lsp#utils#echo_with_truncation(msg) abort

In my .vimrc:

function! Gototo()
    try
        :LspDefinition
    catch
        :tag
    endtry
endfunction

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