From 233b68102990ee016f08614291ae92c6a0e2b90f Mon Sep 17 00:00:00 2001
From: Mo Lawson <mo@molawson.com>
Date: Tue, 9 Aug 2022 07:11:20 -0500
Subject: Add support for syntax_tree fixer (#4268)

This is the library that now powers prettier/plugin-ruby but is also
stands on its own: https://github.com/ruby-syntax-tree/syntax_tree
---
 autoload/ale/fix/registry.vim       |  5 +++++
 autoload/ale/fixers/syntax_tree.vim | 19 +++++++++++++++++++
 2 files changed, 24 insertions(+)
 create mode 100644 autoload/ale/fixers/syntax_tree.vim

(limited to 'autoload')

diff --git a/autoload/ale/fix/registry.vim b/autoload/ale/fix/registry.vim
index 85fef81d..9281ec61 100644
--- a/autoload/ale/fix/registry.vim
+++ b/autoload/ale/fix/registry.vim
@@ -221,6 +221,11 @@ let s:default_registry = {
 \       'suggested_filetypes': ['swift'],
 \       'description': 'Apply SwiftFormat to a file.',
 \   },
+\   'syntax_tree': {
+\       'function': 'ale#fixers#syntax_tree#Fix',
+\       'suggested_filetypes': ['ruby'],
+\       'description': 'Fix ruby files with stree write',
+\   },
 \   'apple-swift-format': {
 \       'function': 'ale#fixers#appleswiftformat#Fix',
 \       'suggested_filetypes': ['swift'],
diff --git a/autoload/ale/fixers/syntax_tree.vim b/autoload/ale/fixers/syntax_tree.vim
new file mode 100644
index 00000000..7ae03373
--- /dev/null
+++ b/autoload/ale/fixers/syntax_tree.vim
@@ -0,0 +1,19 @@
+call ale#Set('ruby_syntax_tree_options', '')
+call ale#Set('ruby_syntax_tree_executable', 'stree')
+
+function! ale#fixers#syntax_tree#GetCommand(buffer) abort
+    let l:executable = ale#Var(a:buffer, 'ruby_syntax_tree_executable')
+    let l:options = ale#Var(a:buffer, 'ruby_syntax_tree_options')
+
+    return ale#ruby#EscapeExecutable(l:executable, 'stree')
+    \   . ' write'
+    \   . (!empty(l:options) ? ' ' . l:options : '')
+    \   . ' %t'
+endfunction
+
+function! ale#fixers#syntax_tree#Fix(buffer) abort
+    return {
+    \   'command': ale#fixers#syntax_tree#GetCommand(a:buffer),
+    \   'read_temporary_file': 1,
+    \}
+endfunction
-- 
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