clang: adjust formatting rules (#1015)

.clang-format

@@ -7,7 +7,7 @@
 BasedOnStyle: LLVM
 AccessModifierOffset: -2
 AlignAfterOpenBracket: DontAlign
-AlignConsecutiveAssignments: Consecutive
+AlignConsecutiveAssignments: false
 AlignOperands: Align
 AllowAllArgumentsOnNextLine: false
 AllowAllConstructorInitializersOnNextLine: false
@@ -18,8 +18,9 @@ AllowShortFunctionsOnASingleLine: All
 AllowShortIfStatementsOnASingleLine: WithoutElse
 AllowShortLambdasOnASingleLine: All
 AllowShortLoopsOnASingleLine: true
-AlwaysBreakAfterReturnType: None
-AlwaysBreakTemplateDeclarations: Yes
+AlignTrailingComments: false
+AlwaysBreakAfterReturnType: All
+AlwaysBreakTemplateDeclarations: MultiLine
 BreakBeforeBraces: Custom
 BraceWrapping:
   AfterCaseLabel: false
@@ -37,32 +38,32 @@ BraceWrapping:
   SplitEmptyRecord: true
 BreakBeforeBinaryOperators: None
 BreakBeforeTernaryOperators: false
-BreakConstructorInitializers: BeforeColon
-BreakInheritanceList: BeforeColon
+BreakConstructorInitializers: AfterColon
+BreakInheritanceList: AfterColon
 ColumnLimit: 0
 CompactNamespaces: false
 ContinuationIndentWidth: 2
-IndentCaseLabels: false
-IndentPPDirectives: None
+IndentCaseLabels: true
+IndentPPDirectives: BeforeHash
 IndentWidth: 2
-KeepEmptyLinesAtTheStartOfBlocks: true
-MaxEmptyLinesToKeep: 2
-NamespaceIndentation: None
-ObjCSpaceAfterProperty: false
+KeepEmptyLinesAtTheStartOfBlocks: false
+MaxEmptyLinesToKeep: 1
+NamespaceIndentation: All
+ObjCSpaceAfterProperty: true
 ObjCSpaceBeforeProtocolList: true
 PointerAlignment: Right
 ReflowComments: false
-SpaceAfterCStyleCast: false
+SpaceAfterCStyleCast: true
 SpaceAfterLogicalNot: false
-SpaceAfterTemplateKeyword: false
+SpaceAfterTemplateKeyword: true
 SpaceBeforeAssignmentOperators: true
 SpaceBeforeCpp11BracedList: true
-SpaceBeforeCtorInitializerColon: true
-SpaceBeforeInheritanceColon: true
-SpaceBeforeParens: Never
+SpaceBeforeCtorInitializerColon: false
+SpaceBeforeInheritanceColon: false
+SpaceBeforeParens: ControlStatements
 SpaceBeforeRangeBasedForLoopColon: true
 SpaceInEmptyParentheses: false
-SpacesBeforeTrailingComments: 1
+SpacesBeforeTrailingComments: 2
 SpacesInAngles: Never
 SpacesInCStyleCastParentheses: false
 SpacesInContainerLiterals: false

scripts/update_clang_format.py

@@ -0,0 +1,40 @@
+# standard imports
+import os
+import subprocess
+
+# variables
+directories = [
+    'src',
+    'tools',
+    os.path.join('third-party', 'glad'),
+    os.path.join('third-party', 'nvfbc'),
+    os.path.join('third-party', 'wayland-protocols')
+]
+file_types = [
+    'cpp',
+    'h',
+    'm',
+    'mm'
+]
+
+
+def clang_format(file: str):
+    print(f'Formatting {file} ...')
+    subprocess.run(['clang-format', '-i', file])
+
+
+def main():
+    """
+    Main entry point.
+    """
+    # walk the directories
+    for directory in directories:
+        for root, dirs, files in os.walk(directory):
+            for file in files:
+                file_path = os.path.join(root, file)
+                if os.path.isfile(file_path) and file.rsplit('.')[-1] in file_types:
+                    clang_format(file=file_path)
+
+
+if __name__ == '__main__':
+    main()