feat: openscad-lsp support (#5156)

ale_linters/openscad/openscad_lsp.vim

@@ -0,0 +1,23 @@
+" Author: Johan Niklasson <johan@niklasson-embedded.se>
+" Description: openscad-lsp support for OpenSCAD
+
+call ale#Set('openscad_openscad_lsp_executable', 'openscad-lsp')
+call ale#Set('openscad_openscad_lsp_options', '')
+
+function! ale_linters#openscad#openscad_lsp#GetProjectRoot(buffer) abort
+    let l:git_path = ale#path#FindNearestDirectory(a:buffer, '.git')
+
+    if !empty(l:git_path)
+        return fnamemodify(l:git_path, ':h:h')
+    endif
+
+    return expand('#' . a:buffer . ':p:h')
+endfunction
+
+call ale#linter#Define('openscad', {
+\   'name': 'openscad_lsp',
+\   'lsp': 'stdio',
+\   'executable': {b -> ale#Var(b, 'openscad_openscad_lsp_executable')},
+\   'command': {b -> '%e --stdio' . ale#Pad(ale#Var(b, 'openscad_openscad_lsp_options'))},
+\   'project_root': function('ale_linters#openscad#openscad_lsp#GetProjectRoot'),
+\})