Add script to apply clang-format on all sources

.clang-format

@@ -15,6 +15,8 @@ ColumnLimit: 100
 # Always break before braces
 BreakBeforeBraces: Custom
 BraceWrapping:
+#  TODO(lujc) wait for clang-format-9 support in Chromium tools
+#  AfterCaseLabel: true
   AfterClass: true
   AfterControlStatement: true
   AfterEnum: true
@@ -53,3 +55,6 @@ KeepEmptyLinesAtTheStartOfBlocks: true
 
 # Indent nested PP directives.
 IndentPPDirectives: AfterHash
+
+# Include blocks style
+IncludeBlocks: Preserve

scripts/apply_clang_format_on_all_sources.py

+#!/usr/bin/env python
+
+# Copyright 2019 The ANGLE Project Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# apply_clang_format_on_all_sources.py:
+#   Script to apply clang-format recursively on directory,
+#   example usage:
+#       ./scripts/apply_clang_format_on_all_sources.py src
+
+from __future__ import print_function
+
+import os
+import sys
+import platform
+import subprocess
+
+# inplace change and use style from .clang-format
+CLANG_FORMAT_ARGS = ['-i', '-style=file']
+
+
+def main(directory):
+    system = platform.system()
+
+    clang_format_exe = 'clang-format'
+    if system == 'Windows':
+        clang_format_exe += '.bat'
+
+    partial_cmd = [clang_format_exe] + CLANG_FORMAT_ARGS
+
+    for subdir, _, files in os.walk(directory):
+        if 'third_party' in subdir:
+            continue
+
+        for f in files:
+            if f.endswith(('.c', '.h', '.cpp', '.hpp')):
+                f_abspath = os.path.join(subdir, f)
+                print("Applying clang-format on ", f_abspath)
+                subprocess.check_call(partial_cmd + [f_abspath])
+
+
+if __name__ == '__main__':
+    if len(sys.argv) > 2:
+        print('Too mang args', file=sys.stderr)
+
+    elif len(sys.argv) == 2:
+        main(os.path.join(os.getcwd(), sys.argv[1]))
+
+    else:
+        main(os.getcwd())

util/com_utils.h

@@ -13,7 +13,8 @@ template <typename outType>
 inline outType *DynamicCastComObject(IUnknown *object)
 {
     outType *outObject = nullptr;
-    HRESULT result = object->QueryInterface(__uuidof(outType), reinterpret_cast<void**>(&outObject));
+    HRESULT result =
+        object->QueryInterface(__uuidof(outType), reinterpret_cast<void **>(&outObject));
     if (SUCCEEDED(result))
     {
         return outObject;

util/geometry_utils.cpp

@@ -14,21 +14,13 @@
 
 using namespace angle;
 
-SphereGeometry::SphereGeometry()
-{
-}
+SphereGeometry::SphereGeometry() {}
 
-SphereGeometry::~SphereGeometry()
-{
-}
+SphereGeometry::~SphereGeometry() {}
 
-CubeGeometry::CubeGeometry()
-{
-}
+CubeGeometry::CubeGeometry() {}
 
-CubeGeometry::~CubeGeometry()
-{
-}
+CubeGeometry::~CubeGeometry() {}
 
 void CreateSphereGeometry(size_t sliceCount, float radius, SphereGeometry *result)
 {

util/posix/Posix_system_utils.cpp

@@ -70,7 +70,7 @@ bool StabilizeCPUForBenchmarking()
             "default priority");
         success = false;
     }
-#if ANGLE_PLATFORM_LINUX
+#    if ANGLE_PLATFORM_LINUX
     cpu_set_t affinity;
     CPU_SET(0, &affinity);
     errno = 0;
@@ -81,9 +81,9 @@ bool StabilizeCPUForBenchmarking()
             "default affinity");
         success = false;
     }
-#else
+#    else
     // TODO(jmadill): Implement for non-linux. http://anglebug.com/2923
-#endif
+#    endif
 
     return success;
 #else  // defined(ANGLE_PLATFORM_FUCHSIA)

util/random_utils.cpp

@@ -24,13 +24,9 @@ RNG::RNG()
 }
 
 // Seed from fixed number.
-RNG::RNG(unsigned int seed) : mGenerator(seed)
-{
-}
+RNG::RNG(unsigned int seed) : mGenerator(seed) {}
 
-RNG::~RNG()
-{
-}
+RNG::~RNG() {}
 
 void RNG::reseed(unsigned int newSeed)
 {