Add a clang-format check to numba-dppy.

.clang-format

@@ -0,0 +1,24 @@
+BasedOnStyle: LLVM
+IndentWidth: 4
+AccessModifierOffset: -4
+AlignEscapedNewlines: Right
+AllowAllParametersOfDeclarationOnNextLine: false
+BinPackParameters: false
+BreakBeforeBraces: Custom
+BraceWrapping:
+  AfterCaseLabel:  true
+  AfterClass:      true
+  AfterControlStatement: MultiLine
+  AfterEnum:       true
+  AfterFunction:   true
+  AfterNamespace:  true
+  AfterObjCDeclaration: false
+  AfterStruct:     true
+  AfterUnion:      true
+  AfterExternBlock: true
+  BeforeCatch:     false
+  BeforeElse:      true
+  IndentBraces:    false
+  SplitEmptyFunction: true
+  SplitEmptyRecord: true
+  SplitEmptyNamespace: true

.github/workflows/cpp_style_checks.yml

@@ -0,0 +1,22 @@
+# This is a workflow to format C/C++ sources with clang-format
+
+name: C++ Code Style
+
+# Controls when the action will run. Triggers the workflow on push or pull request
+# events but only for the master branch
+on:
+  pull_request:
+  push:
+    branches: [master]
+
+jobs:
+  formatting-check:
+    name: clang-format
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Run clang-format style check for C/C++ programs.
+      uses: jidicula/[email protected]
+      with:
+        clang-format-version: '11'
+        check-path: 'numba_dppy/dpctl_iface'

.pre-commit-config.yaml

@@ -29,3 +29,8 @@ repos:
     rev: v0.8.0
     hooks:
     -   id: shellcheck
+-   repo: https://github.com/pocc/pre-commit-hooks
+    rev: v1.1.1
+    hooks:
+    -   id: clang-format
+        args: ["-i"]