Merge branch 'custom-erlc-executable'

5 files changed, 110 insertions, 36 deletions

diff --git a/autoload/ale/code_action.vim b/autoload/ale/code_action.vim
index 8c7263f3..42f4f265 100644
--- a/autoload/ale/code_action.vim
+++ b/autoload/ale/code_action.vim
@@ -1,26 +1,33 @@
 " Author: Jerko Steiner <jerko.steiner@gmail.com>
 " Description: Code action support for LSP / tsserver
 
-function! ale#code_action#HandleCodeAction(code_action, should_save) abort
+function! ale#code_action#HandleCodeAction(code_action, options) abort
     let l:current_buffer = bufnr('')
     let l:changes = a:code_action.changes
+    let l:should_save = get(a:options, 'should_save')
+    let l:force_save = get(a:options, 'force_save')
+    let l:safe_changes = []
 
     for l:file_code_edit in l:changes
         let l:buf = bufnr(l:file_code_edit.fileName)
 
         if l:buf != -1 && l:buf != l:current_buffer && getbufvar(l:buf, '&mod')
-            call ale#util#Execute('echom ''Aborting action, file is unsaved''')
+            if !l:force_save
+                call ale#util#Execute('echom ''Aborting action, file is unsaved''')
 
-            return
+                return
+            endif
+        else
+            call add(l:safe_changes, l:file_code_edit)
         endif
     endfor
 
-    for l:file_code_edit in l:changes
+    for l:file_code_edit in l:safe_changes
         call ale#code_action#ApplyChanges(
-        \ l:file_code_edit.fileName,
-        \ l:file_code_edit.textChanges,
-        \ a:should_save,
-        \ )
+        \   l:file_code_edit.fileName,
+        \   l:file_code_edit.textChanges,
+        \   l:should_save,
+        \)
     endfor
 endfunction
 
diff --git a/autoload/ale/completion.vim b/autoload/ale/completion.vim
index ecd93600..efbf0fd5 100644
--- a/autoload/ale/completion.vim
+++ b/autoload/ale/completion.vim
@@ -1006,7 +1006,7 @@ function! ale#completion#HandleUserData(completed_item) abort
     \|| l:source is# 'ale-import'
     \|| l:source is# 'ale-omnifunc'
         for l:code_action in get(l:user_data, 'code_actions', [])
-            call ale#code_action#HandleCodeAction(l:code_action, v:false)
+            call ale#code_action#HandleCodeAction(l:code_action, {})
         endfor
     endif
 
diff --git a/autoload/ale/maven.vim b/autoload/ale/maven.vim
new file mode 100644
index 00000000..745f8c93
--- /dev/null
+++ b/autoload/ale/maven.vim
@@ -0,0 +1,51 @@
+" Description: Functions for working with Maven projects.
+"
+" Given a buffer number, find a Maven project root.
+function! ale#maven#FindProjectRoot(buffer) abort
+    let l:wrapper_path = ale#path#FindNearestFile(a:buffer, 'mvnw')
+
+    if !empty(l:wrapper_path)
+        return fnamemodify(l:wrapper_path, ':h')
+    endif
+
+    let l:pom_path = ale#path#FindNearestFile(a:buffer, 'pom.xml')
+
+    if !empty(l:pom_path)
+        return fnamemodify(l:pom_path, ':h')
+    endif
+
+    return ''
+endfunction
+
+
+" Given a buffer number, find the path to the executable.
+" First search on the path for 'mvnw' (mvnw.cmd on Windows), if nothing is found,
+" try the global command. Returns an empty string if cannot find the executable.
+function! ale#maven#FindExecutable(buffer) abort
+    let l:wrapper_cmd = has('unix') ? 'mvnw' : 'mvnw.cmd'
+    let l:wrapper_path = ale#path#FindNearestFile(a:buffer, l:wrapper_cmd)
+
+    if executable(l:wrapper_path)
+        return l:wrapper_path
+    endif
+
+    if executable('mvn')
+        return 'mvn'
+    endif
+
+    return ''
+endfunction
+
+" Given a buffer number, build a command to print the classpath of the root
+" project. Returns an empty string if cannot build the command.
+function! ale#maven#BuildClasspathCommand(buffer) abort
+    let l:executable = ale#maven#FindExecutable(a:buffer)
+    let l:project_root = ale#maven#FindProjectRoot(a:buffer)
+
+    if !empty(l:executable) && !empty(l:project_root)
+        return ale#path#CdString(l:project_root)
+        \ . l:executable . ' dependency:build-classpath'
+    endif
+
+    return ''
+endfunction
diff --git a/autoload/ale/organize_imports.vim b/autoload/ale/organize_imports.vim
index e89c832c..e2b1c0d2 100644
--- a/autoload/ale/organize_imports.vim
+++ b/autoload/ale/organize_imports.vim
@@ -12,10 +12,13 @@ function! ale#organize_imports#HandleTSServerResponse(conn_id, response) abort
 
     let l:file_code_edits =  a:response.body
 
-    call ale#code_action#HandleCodeAction({
-    \   'description': 'Organize Imports',
-    \   'changes': l:file_code_edits,
-    \}, v:false)
+    call ale#code_action#HandleCodeAction(
+    \   {
+    \       'description': 'Organize Imports',
+    \       'changes': l:file_code_edits,
+    \   },
+    \   {}
+    \)
 endfunction
 
 function! s:OnReady(linter, lsp_details) abort
diff --git a/autoload/ale/rename.vim b/autoload/ale/rename.vim
index 64952e63..8190411d 100644
--- a/autoload/ale/rename.vim
+++ b/autoload/ale/rename.vim
@@ -33,9 +33,10 @@ function! ale#rename#HandleTSServerResponse(conn_id, response) abort
         return
     endif
 
-    let l:old_name = s:rename_map[a:response.request_seq].old_name
-    let l:new_name = s:rename_map[a:response.request_seq].new_name
-    call remove(s:rename_map, a:response.request_seq)
+    let l:options = remove(s:rename_map, a:response.request_seq)
+
+    let l:old_name = l:options.old_name
+    let l:new_name = l:options.new_name
 
     if get(a:response, 'success', v:false) is v:false
         let l:message = get(a:response, 'message', 'unknown')
@@ -77,10 +78,16 @@ function! ale#rename#HandleTSServerResponse(conn_id, response) abort
         return
     endif
 
-    call ale#code_action#HandleCodeAction({
-    \ 'description': 'rename',
-    \ 'changes': l:changes,
-    \}, v:true)
+    call ale#code_action#HandleCodeAction(
+    \   {
+    \       'description': 'rename',
+    \       'changes': l:changes,
+    \   },
+    \   {
+    \       'should_save': 1,
+    \       'force_save': get(l:options, 'force_save'),
+    \   },
+    \)
 endfunction
 
 function! s:getChanges(workspace_edit) abort
@@ -111,7 +118,7 @@ endfunction
 function! ale#rename#HandleLSPResponse(conn_id, response) abort
     if has_key(a:response, 'id')
     \&& has_key(s:rename_map, a:response.id)
-        call remove(s:rename_map, a:response.id)
+        let l:options = remove(s:rename_map, a:response.id)
 
         if !has_key(a:response, 'result')
             call s:message('No rename result received from server')
@@ -156,14 +163,20 @@ function! ale#rename#HandleLSPResponse(conn_id, response) abort
             \})
         endfor
 
-        call ale#code_action#HandleCodeAction({
-        \   'description': 'rename',
-        \   'changes': l:changes,
-        \}, v:true)
+        call ale#code_action#HandleCodeAction(
+        \   {
+        \       'description': 'rename',
+        \       'changes': l:changes,
+        \   },
+        \   {
+        \       'should_save': 1,
+        \       'force_save': get(l:options, 'force_save'),
+        \   },
+        \)
     endif
 endfunction
 
-function! s:OnReady(line, column, old_name, new_name, linter, lsp_details) abort
+function! s:OnReady(line, column, options, linter, lsp_details) abort
     let l:id = a:lsp_details.connection_id
 
     if !ale#lsp#HasCapability(l:id, 'rename')
@@ -195,19 +208,16 @@ function! s:OnReady(line, column, old_name, new_name, linter, lsp_details) abort
         \   l:buffer,
         \   a:line,
         \   a:column,
-        \   a:new_name
+        \   a:options.new_name
         \)
     endif
 
     let l:request_id = ale#lsp#Send(l:id, l:message)
 
-    let s:rename_map[l:request_id] = {
-    \   'new_name': a:new_name,
-    \   'old_name': a:old_name,
-    \}
+    let s:rename_map[l:request_id] = a:options
 endfunction
 
-function! s:ExecuteRename(linter, old_name, new_name) abort
+function! s:ExecuteRename(linter, options) abort
     let l:buffer = bufnr('')
     let [l:line, l:column] = getpos('.')[1:2]
 
@@ -215,12 +225,11 @@ function! s:ExecuteRename(linter, old_name, new_name) abort
         let l:column = min([l:column, len(getline(l:line))])
     endif
 
-    let l:Callback = function(
-    \ 's:OnReady', [l:line, l:column, a:old_name, a:new_name])
+    let l:Callback = function('s:OnReady', [l:line, l:column, a:options])
     call ale#lsp_linter#StartLSP(l:buffer, a:linter, l:Callback)
 endfunction
 
-function! ale#rename#Execute() abort
+function! ale#rename#Execute(options) abort
     let l:lsp_linters = []
 
     for l:linter in ale#linter#Get(&filetype)
@@ -245,6 +254,10 @@ function! ale#rename#Execute() abort
     endif
 
     for l:lsp_linter in l:lsp_linters
-        call s:ExecuteRename(l:lsp_linter, l:old_name, l:new_name)
+        call s:ExecuteRename(l:lsp_linter, {
+        \   'old_name': l:old_name,
+        \   'new_name': l:new_name,
+        \   'force_save': get(a:options, 'force_save') is 1,
+        \})
     endfor
 endfunction