[clang-format] Don't flash an ugly cmd prompt in Vim on Windows
Reviewers: klimek
Differential Revision: http://llvm-reviews.chandlerc.com/D941
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@183654 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/clang-format/clang-format.py b/tools/clang-format/clang-format.py
index bc47fcb..60e2e55 100644
--- a/tools/clang-format/clang-format.py
+++ b/tools/clang-format/clang-format.py
@@ -19,6 +19,7 @@
import json
import subprocess
+import sys
import vim
# Change this to the full path if clang-format is not on the path.
@@ -39,11 +40,18 @@
length = int(vim.eval('line2byte(' +
str(vim.current.range.end + 2) + ')')) - offset - 2
+# Avoid flashing an ugly, ugly cmd prompt on Windows when invoking clang-format.
+startupinfo = None
+if sys.platform.startswith('win32'):
+ startupinfo = subprocess.STARTUPINFO()
+ startupinfo.dwFlags |= subprocess.STARTF_USESHOWWINDOW
+ startupinfo.wShowWindow = subprocess.SW_HIDE
+
# Call formatter.
p = subprocess.Popen([binary, '-offset', str(offset), '-length', str(length),
'-style', style, '-cursor', str(cursor)],
stdout=subprocess.PIPE, stderr=subprocess.PIPE,
- stdin=subprocess.PIPE)
+ stdin=subprocess.PIPE, startupinfo=startupinfo)
stdout, stderr = p.communicate(input=text)
# If successful, replace buffer contents.