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Diffstat (limited to 'autoload/ale/hover.vim')
| -rw-r--r-- | autoload/ale/hover.vim | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/autoload/ale/hover.vim b/autoload/ale/hover.vim index 0954b802..6ad43316 100644 --- a/autoload/ale/hover.vim +++ b/autoload/ale/hover.vim @@ -70,6 +70,18 @@ function! s:ConvertLanguageName(language) abort return a:language endfunction +" Cache syntax file (non-)existence to avoid calling globpath repeatedly. +let s:syntax_file_exists_cache = {} + +function! s:SyntaxFileExists(syntax_file) abort + if !has_key(s:syntax_file_exists_cache, a:syntax_file) + let s:syntax_file_exists_cache[a:syntax_file] = + \ !empty(globpath(&runtimepath, a:syntax_file)) + endif + + return s:syntax_file_exists_cache[a:syntax_file] +endfunction + function! ale#hover#ParseLSPResult(contents) abort let l:includes = {} let l:highlights = [] @@ -160,10 +172,11 @@ function! ale#hover#ParseLSPResult(contents) abort let l:language = s:ConvertLanguageName(l:language) if !empty(l:language) - let l:includes[l:language] = printf( - \ 'syntax/%s.vim', - \ l:language, - \) + let l:syntax_file = printf('syntax/%s.vim', l:language) + + if s:SyntaxFileExists(l:syntax_file) + let l:includes[l:language] = l:syntax_file + endif let l:start = len(l:lines) + 1 let l:end = l:start + len(l:marked_lines) |