1 files changed, 43 insertions, 0 deletions
diff --git a/powerline/segments/vim/plugin/syntastic.py b/powerline/segments/vim/plugin/syntastic.py
new file mode 100644
index 0000000..5bef3c7
--- /dev/null
+++ b/powerline/segments/vim/plugin/syntastic.py
@@ -0,0 +1,43 @@
+# vim:fileencoding=utf-8:noet
+from __future__ import (unicode_literals, division, absolute_import, print_function)
+
+try:
+	import vim
+except ImportError:
+	vim = object()
+
+from powerline.segments.vim import window_cached
+from powerline.bindings.vim import vim_global_exists
+
+
+@window_cached
+def syntastic(pl, err_format='ERR:  {first_line} ({num}) ', warn_format='WARN:  {first_line} ({num}) '):
+	'''Show whether syntastic has found any errors or warnings
+
+	:param str err_format:
+		Format string for errors.
+
+	:param str warn_format:
+		Format string for warnings.
+
+	Highlight groups used: ``syntastic:warning`` or ``warning``, ``syntastic:error`` or ``error``.
+	'''
+	if not vim_global_exists('SyntasticLoclist'):
+		return None
+	has_errors = int(vim.eval('g:SyntasticLoclist.current().hasErrorsOrWarningsToDisplay()'))
+	if not has_errors:
+		return
+	errors = vim.eval('g:SyntasticLoclist.current().errors()')
+	warnings = vim.eval('g:SyntasticLoclist.current().warnings()')
+	segments = []
+	if errors:
+		segments.append({
+			'contents': err_format.format(first_line=errors[0]['lnum'], num=len(errors)),
+			'highlight_groups': ['syntastic:error', 'error'],
+		})
+	if warnings:
+		segments.append({
+			'contents': warn_format.format(first_line=warnings[0]['lnum'], num=len(warnings)),
+			'highlight_groups': ['syntastic:warning', 'warning'],
+		})
+	return segments