c3lsp: add command line arguments to executable

ale_linters/c3/c3lsp.vim

@@ -2,13 +2,21 @@
 " Description: A Language Server implementation for C3
 
 call ale#Set('c3_c3lsp_executable', 'c3lsp')
+call ale#Set('c3_c3lsp_options', '')
 call ale#Set('c3_c3lsp_init_options', {})
 
+function! ale_linters#c3#c3lsp#GetCommand(buffer) abort
+    let l:executable = ale#Var(a:buffer, 'c3_c3lsp_executable')
+
+    return ale#Escape(l:executable) . ale#Pad(ale#Var(a:buffer, 'c3_c3lsp_options'))
+endfunction
+
+
 call ale#linter#Define('c3', {
 \   'name': 'c3lsp',
 \   'lsp': 'stdio',
 \   'executable': {b -> ale#Var(b, 'c3_c3lsp_executable')},
-\   'command': '%e',
+\   'command': function('ale_linters#c3#c3lsp#GetCommand'),
 \   'project_root': function('ale#handlers#c3lsp#GetProjectRoot'),
 \   'lsp_config': {b -> ale#handlers#c3lsp#GetInitOpts(b, 'c3_c3lsp_init_options')},
 \})

doc/ale-c3.txt

@@ -12,6 +12,16 @@ g:ale_c3_c3lsp_executable                           *g:ale_c3_c3lsp_executable*
   This variable can be changed to set the path to c3lsp executable.
 
 
+g:ale_c3_c3lsp_options                                 *g:ale_c3_c3lsp_options*
+                                                       *b:ale_c3_c3lsp_options*
+
+  Type: |String|
+  Default: `''`
+
+  Add command line options to the c3lsp executable. This is useful to specify
+  the path to the C3 standard library with '-stdlib-path=<path>'.
+
+
 g:ale_c3_c3lsp_init_options                       *g:ale_c3_c3lsp_init_options*
                                                   *b:ale_c3_c3lsp_init_options*
   Type: |Dictionary|