ci: Run static code analysis

.clang-tidy

@@ -1,32 +1,8 @@
 # SPDX-FileCopyrightText: Copyright (C) swift Project Community / Contributors
 # SPDX-License-Identifier: CC0-1.0
 
-Checks:
-  - '-*'
-  - 'modernize-*'
-  - '-modernize-use-trailing-return-type'
-  - '-modernize-use-nodiscard'
-  - '-modernize-pass-by-value'
-  - '-modernize-avoid-c-arrays'
-  - 'bugprone-*'
-  - '-bugprone-easily-swappable-parameters'
-  - 'readability-*'
-  - '-readability-identifier-length'
-  - '-readability-implicit-bool-conversion'
-  - '-readability-braces-around-statements'
-  - '-readability-function-cognitive-complexity'
-  - '-readability-convert-member-functions-to-static'
-  - '-readability-math-missing-parentheses'
-  - '-readability-avoid-unconditional-preprocessor-if'
-  - '-readability-magic-numbers'
-  - '-readability-container-size-empty'
-  - 'cppcoreguidelines-*'
-  - '-cppcoreguidelines-avoid-magic-numbers'
-  - '-cppcoreguidelines-non-private-member-variables-in-classes'
-  - '-cppcoreguidelines-avoid-c-arrays'
-  - '-cppcoreguidelines-owning-memory'
-  - '-cppcoreguidelines-misleading-capture-default-by-value'
-  - '-cppcoreguidelines-pro-bounds-array-to-pointer-decay'
+Checks: >
+  -*,
 
 
 CheckOptions:

.github/workflows/build.yml

@@ -18,6 +18,7 @@ env:
   do_vatsim_key: ${{ github.event_name == 'push' }}
   do_symbols:    ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}
   do_doxygen:    ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}
+  do_static_analysis: ${{ github.event_name == 'push' && github.ref != 'refs/heads/main' }}
   qt_version:    6.10.0
   bitrock_version: qt-professional-24.7.0
   bitrock_url:     https://releases.installbuilder.com/installbuilder
@@ -104,6 +105,62 @@ jobs:
         uses: actions/upload-pages-artifact@v3
         with:
           path: docs/html/
+      - name: Check if clang-tidy analysis is required
+        id: check_need_clang_tidy
+        run: |
+          if python3 -u scripts/run_static_analysis.py --check-changed-files; then
+            echo "should_run_clang_tidy=false" >> $GITHUB_OUTPUT
+          else
+            echo "should_run_clang_tidy=true" >> $GITHUB_OUTPUT
+          fi
+      - name: Checkout repository
+        if: ${{ steps.check_need_clang_tidy.outputs.should_run_clang_tidy == 'true' }}
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: '0'
+          submodules: 'true'
+      - name: Install Qt
+        if: ${{ steps.check_need_clang_tidy.outputs.should_run_clang_tidy == 'true' }}
+        uses: jurplel/install-qt-action@v4
+        with:
+          version: ${{ env.qt_version }}
+          modules: 'qtmultimedia'
+          cache: true
+      - name: Install dependencies
+        if: ${{ steps.check_need_clang_tidy.outputs.should_run_clang_tidy == 'true' }}
+        run: |
+          sudo apt-get -y install dbus-x11 libglu1-mesa-dev libpulse-dev libdbus-1-dev ninja-build
+          pip3 install requests conan
+      - name: Checkout externals
+        if: ${{ env.use_externals == 'true' && steps.check_need_clang_tidy.outputs.should_run_clang_tidy == 'true' }}
+        uses: actions/checkout@v4
+        env:
+          EXTERNALS_PAT: ${{ secrets.EXTERNALS_PAT }}
+        with:
+          repository: ${{ env.externals }}
+          ref: ${{ env.externals_sha }}
+          token: ${{ env.EXTERNALS_PAT }}
+          path: 'third_party/externals'
+      - name: Install conan dependencies
+        if: ${{ steps.check_need_clang_tidy.outputs.should_run_clang_tidy == 'true' }}
+        shell: bash
+        env:
+          ARTIFACTORY_USER: ${{ secrets.ARTIFACTORY_USER }}
+          ARTIFACTORY_TOKEN: ${{ secrets.ARTIFACTORY_TOKEN }}
+        run: |
+          conan profile detect
+          conan remote disable conancenter
+          conan remote add swift https://artifactory.swift-project.org/artifactory/api/conan/conan-local
+          conan remote login swift "$ARTIFACTORY_USER" --password "$ARTIFACTORY_TOKEN"
+          conan install . --output-folder=build_conan --deployer=full_deploy -pr=ci/profile_linux
+      - name: Run clang-tidy
+        if: ${{ steps.check_need_clang_tidy.outputs.should_run_clang_tidy == 'true' }}
+        shell: bash
+        run: |
+          mkdir build && pushd build
+          cmake .. --preset ci-build-linux-no-pch
+          popd
+          python3 scripts/run_static_analysis.py --clang-tidy --build-path build --changed-files-ci
 
   buildLinux:
     runs-on: ubuntu-22.04

CMakeLists.txt

@@ -59,6 +59,7 @@ option(SWIFT_MINIFY_DEBUG_SYMBOLS "Minify debug symbols" OFF)
 option(SWIFT_ONLY_XSWIFTBUS_WORKAROUND "Only build xswiftbus (useful when compiling on ARM)" OFF)
 
 option(SWIFT_USE_CRASHPAD "Use crashpad" OFF)
+option(SWIFT_USE_PCH "Use precompiled headers" ON)
 
 
 # Shortcut to only build xswiftbus

CMakePresets.json

@@ -77,6 +77,22 @@
         "SWIFT_USE_CRASHPAD": "OFF"
       }
     },
+    {
+      "name": "ci-build-linux-no-pch",
+      "displayName": "CI Build Linux without PCH (used for static code analysis)",
+      "inherits": "ci-build-linux",
+      "generator": "Ninja",
+      "condition": {
+        "type": "equals",
+        "lhs": "${hostSystemName}",
+        "rhs": "Linux"
+      },
+      "cacheVariables": {
+        "CMAKE_EXPORT_COMPILE_COMMANDS": "ON",
+        "VATSIM_KEY_JSON": "",
+        "SWIFT_USE_PCH": "OFF"
+      }
+    },
     {
       "name": "dev-debug",
       "displayName": "Development Debug",

scripts/run_clang_tidy.py

@@ -1,43 +0,0 @@
-#!/bin/env python
-
-# SPDX-FileCopyrightText: Copyright (C) 2025 swift Project Community / Contributors
-# SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-swift-pilot-client-1
-
-"""This script runs clang-tidy only on files that have changed compared to the latest origin/main branch."""
-
-import argparse
-
-import utils
-import os
-import subprocess
-
-def run_clang_tidy(build_path: str):
-    src_path = utils.get_swift_source_path()
-    os.chdir(src_path)
-
-    result = subprocess.run(
-        ['git', 'diff', '--name-only', 'origin/main...HEAD'],
-        check=True,
-        stdout=subprocess.PIPE,
-        text=True
-    )
-
-    files = [line for line in result.stdout.splitlines() if (line.endswith('.cpp') or line.endswith('.h')) and not line.startswith('tests')]
-    nproc = os.cpu_count()
-    subprocess.run([
-        'xargs',
-        '-P', str(nproc),
-        '-n', '1',
-        '-r',
-        'clang-tidy',
-        '-p', build_path,
-        '--warnings-as-errors', '*'
-    ], input='\n'.join(files), text=True, check=True)
-
-
-if __name__ == '__main__':
-    parser = argparse.ArgumentParser(prog="swift clang-tidy helper")
-    parser.add_argument("--build-path", required=True, help='Path to build folder')
-    args = parser.parse_args()
-
-    run_clang_tidy(args.build_path)

scripts/run_static_analysis.py

@@ -0,0 +1,160 @@
+#!/bin/env python
+
+# SPDX-FileCopyrightText: Copyright (C) 2025 swift Project Community / Contributors
+# SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-swift-pilot-client-1
+
+"""This script runs static analysis tools only on files that have changed compared to the latest origin/main branch."""
+
+import argparse
+import json
+import os
+import subprocess
+from subprocess import CalledProcessError
+
+import utils
+
+# Currently we are not checking all directories as they might need to run compilation first for Qt UIC
+CHECK_DIRECTORIES = [
+    "src/core",
+    "src/misc",
+    "src/input",
+    "src/sound",
+]
+
+
+def _get_all_files(build_path: str) -> list[str]:
+    """Get all files inside the compile commands."""
+    src_path = utils.get_swift_source_path()
+    os.chdir(src_path)
+
+    with open(os.path.join(build_path, "compile_commands.json"), 'r') as f:
+        commands = json.load(f)
+    commands = set([os.path.relpath(entry["file"], utils.get_swift_source_path()) for entry in commands])
+
+    commands = [command for command in commands if
+                not command.startswith("third_party") and not command.startswith(build_path)]
+    return commands
+
+
+def _get_all_files_ci(build_path: str) -> list[str]:
+    """Get all files in the compile commands and which will be checked in CI runs."""
+    src_path = utils.get_swift_source_path()
+    os.chdir(src_path)
+
+    with open(os.path.join(build_path, "compile_commands.json"), 'r') as f:
+        commands = json.load(f)
+    commands = set([os.path.relpath(entry["file"], utils.get_swift_source_path()) for entry in commands])
+
+    commands = [command for command in commands if command.startswith(tuple(CHECK_DIRECTORIES))]
+    return commands
+
+
+def _get_changed_files_ci(build_path: str) -> set[str]:
+    """Get all files in the compile commands which has changed since the last main commit and are in the included directories."""
+    src_path = utils.get_swift_source_path()
+    os.chdir(src_path)
+
+    result = subprocess.run(
+        ['git', 'diff', '--name-only', 'origin/main'],
+        check=True,
+        stdout=subprocess.PIPE,
+        text=True
+    )
+    with open(os.path.join(build_path, "compile_commands.json"), 'r') as f:
+        commands = json.load(f)
+    commands = set([os.path.relpath(entry["file"], utils.get_swift_source_path()) for entry in commands])
+
+    files = set([line for line in result.stdout.splitlines() if
+                 (line.endswith('.cpp') or line.endswith('.h')) and line.startswith(tuple(CHECK_DIRECTORIES))])
+    return files & commands
+
+
+def _has_changed_files() -> bool:
+    src_path = utils.get_swift_source_path()
+    os.chdir(src_path)
+
+    result = subprocess.run(
+        ['git', 'diff', '--name-only', 'origin/main'],
+        check=True,
+        stdout=subprocess.PIPE,
+        text=True
+    )
+
+    return len([line for line in result.stdout.splitlines() if
+                (line.endswith('.cpp') or line.endswith('.h')) and line.startswith(tuple(CHECK_DIRECTORIES))]) > 0
+
+
+def run_clang_tidy(build_path: str, changed_source_files: set[str]):
+    print(f"Run clang-tidy on files: {changed_source_files}")
+    nproc = 10
+    try:
+        subprocess.run([
+            'xargs',
+            '-P', str(nproc),
+            '-n', '1',
+            '-r',
+            'clang-tidy',
+            '-p', build_path,
+            '--warnings-as-errors', '*',
+            '--quiet',
+            '--header-filter', f'{utils.get_swift_source_path()}/src/',
+        ], input='\n'.join(changed_source_files), text=True, check=True)
+    except CalledProcessError:
+        print("Clang-tidy finished with errors")
+        exit(1)
+
+
+def run_clazy(build_path: str, changed_source_files: set[str]):
+    print(f"Run clazy on files: {changed_source_files}")
+    nproc = os.cpu_count()
+    try:
+        subprocess.run([
+            'clazy-standalone',
+            '-p', build_path,
+            "-extra-arg", "-Werror",
+            "-extra-arg", "-Wno-unnecessary-virtual-specifier",
+            '--header-filter', '(config|core|gui|input|misc|plugins|sound|swiftcore|swiftdata|swiftguistandard|swiftlauncher|xswiftbus)/',
+            *changed_source_files
+        ], text=True, check=True)
+    except CalledProcessError:
+        print("Clazy finished with errors")
+        exit(1)
+
+
+def main():
+    parser = argparse.ArgumentParser(prog="swift clang-tidy helper")
+    parser.add_argument("--build-path", help='Path to build folder')
+
+    check_mode = parser.add_mutually_exclusive_group(required=True)
+    check_mode.add_argument("--all-files", action="store_true",
+                            help="Run check on all files in the compile commands")
+    check_mode.add_argument("--all-files-ci", action="store_true",
+                            help="Run check on all files in the compile commands and which will be checked in CI runs.")
+    check_mode.add_argument("--changed-files-ci", action="store_true",
+                            help="Run check on all files in the compile commands which are changed since the last main commit and are in the included directories (no Qt UIC files).")
+    check_mode.add_argument("--check-changed-files", action="store_true",
+                        help="Check if files have changed for evaluation. Program exits with 0 if no files changed; with 1 otherwise")
+
+    parser.add_argument("--clang-tidy", action="store_true",
+                        help="Run clang-tidy checks")
+    parser.add_argument("--clazy", action="store_true",
+                        help="Run clazy checks")
+    args = parser.parse_args()
+
+    if args.all_files:
+        source_files = _get_all_files(args.build_path)
+    elif args.all_files_ci:
+        source_files = _get_all_files_ci(args.build_path)
+    elif args.changed_files_ci:
+        source_files = _get_changed_files_ci(args.build_path)
+    else:
+        exit(1 if _has_changed_files() else 0)
+
+    if args.clang_tidy:
+        run_clang_tidy(args.build_path, source_files)
+    elif args.clazy:
+        run_clazy(args.build_path, source_files)
+
+
+if __name__ == '__main__':
+    main()

src/core/CMakeLists.txt

@@ -272,11 +272,14 @@ endif()
 
 target_compile_definitions(core PRIVATE BUILD_SWIFT_CORE_LIB)
 
-target_precompile_headers(core
-        PRIVATE
-            ${SWIFT_MISC_PCH}
-            ${SWIFT_CORE_PCH}
-)
+
+if(SWIFT_USE_PCH)
+    target_precompile_headers(core
+            PRIVATE
+                ${SWIFT_MISC_PCH}
+                ${SWIFT_CORE_PCH}
+    )
+endif()
 
 install(TARGETS core
     LIBRARY DESTINATION lib

src/gui/CMakeLists.txt

@@ -881,12 +881,14 @@ target_link_libraries(gui
 
 target_compile_definitions(gui PRIVATE BUILD_SWIFT_GUI_LIB)
 
-target_precompile_headers(gui
-        PRIVATE
-            ${SWIFT_MISC_PCH}
-            ${SWIFT_CORE_PCH}
-            ${SWIFT_GUI_PCH}
-)
+if(SWIFT_USE_PCH)
+    target_precompile_headers(gui
+            PRIVATE
+                ${SWIFT_MISC_PCH}
+                ${SWIFT_CORE_PCH}
+                ${SWIFT_GUI_PCH}
+    )
+endif()
 
 install(TARGETS gui
     LIBRARY DESTINATION lib

src/misc/CMakeLists.txt

@@ -718,10 +718,12 @@ if(APPLE)
     target_link_libraries(misc PRIVATE "-lbsm -framework AVFoundation -framework Security -framework CoreFoundation -framework ApplicationServices -framework Foundation -framework IOKit")
 endif()
 
-target_precompile_headers(misc
-    PRIVATE
-        ${SWIFT_MISC_PCH}
-)
+if(SWIFT_USE_PCH)
+    target_precompile_headers(misc
+        PRIVATE
+            ${SWIFT_MISC_PCH}
+    )
+endif()
 
 install(TARGETS misc
     LIBRARY DESTINATION lib