iwyu.yml: added `clang-include-cleaner` job / cleaned up includes based on `include-what-you-use` (#4844)

.github/workflows/iwyu.yml

@@ -8,7 +8,7 @@ permissions:
   contents: read
 
 jobs:
-  build:
+  iwyu:
 
     runs-on: ubuntu-22.04
 
@@ -33,8 +33,10 @@ jobs:
       - name: Prepare CMake dependencies
         run: |
           # make sure the precompiled headers exist
-          #make -C cmake.output lib/CMakeFiles/cppcheck-core.dir/cmake_pch.hxx.cxx
-          #make -C cmake.output test/CMakeFiles/testrunner.dir/cmake_pch.hxx.cxx
+          #make -C cmake.output/cli cmake_pch.hxx.pch
+          #make -C cmake.output/gui cmake_pch.hxx.pch
+          #make -C cmake.output/lib cmake_pch.hxx.pch
+          #make -C cmake.output/test cmake_pch.hxx.pch
           # make sure the auto-generated GUI sources exist
           make -C cmake.output autogen
           # make sure the auto-generated GUI dependencies exist
@@ -65,5 +67,65 @@ jobs:
 
       - uses: actions/upload-artifact@v3
         with:
-          name: Logs
+          name: Logs (include-what-you-use)
           path: ./*.log
+
+  clang-include-cleaner:
+
+    runs-on: ubuntu-22.04
+
+    env:
+      QT_VERSION: 5.15.2
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Install missing software
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y cmake make
+          sudo apt-get install -y libpcre3-dev
+          sudo apt-get install -y libffi7 # work around missing dependency for Qt install step
+
+      - name: Install clang
+        run: |
+          wget https://apt.llvm.org/llvm.sh
+          chmod +x llvm.sh
+          sudo ./llvm.sh 17
+          sudo apt-get install -y clang-tools-17
+
+      - name: Install Qt ${{ env.QT_VERSION }}
+        uses: jurplel/install-qt-action@v3
+        with:
+          version: ${{ env.QT_VERSION }}
+          modules: 'qtcharts'
+          cache: true
+
+      - name: Prepare CMake
+        run: |
+          cmake -S . -B cmake.output -G "Unix Makefiles" -DCMAKE_BUILD_TYPE=Release -DHAVE_RULES=On -DBUILD_TESTS=On -DBUILD_GUI=On -DBUILD_TESTS=On -DBUILD_GUI=On -DWITH_QCHART=On -DENABLE_CHECK_INTERNAL=On -DCMAKE_GLOBAL_AUTOGEN_TARGET=On -DCMAKE_DISABLE_PRECOMPILE_HEADERS=On -DCPPCHK_GLIBCXX_DEBUG=Off -DUSE_MATCHCOMPILER=Off
+        env:
+          CC: clang-17
+          CXX: clang++-17
+
+      - name: Prepare CMake dependencies
+        run: |
+          # make sure the precompiled headers exist
+          #make -C cmake.output/cli cmake_pch.hxx.pch
+          #make -C cmake.output/gui cmake_pch.hxx.pch
+          #make -C cmake.output/lib cmake_pch.hxx.pch
+          #make -C cmake.output/test cmake_pch.hxx.pch
+          # make sure the auto-generated GUI sources exist
+          make -C cmake.output autogen
+          # make sure the auto-generated GUI dependencies exist
+          make -C cmake.output gui-build-deps
+
+      - name: clang-include-cleaner
+        run: |
+          # TODO: run multi-threaded
+          find $PWD/cli $PWD/lib $PWD/test -maxdepth 1 -name "*.cpp" | xargs -t -n 1 clang-include-cleaner-17 --print=changes --extra-arg=-w -p cmake.output > clang-include-cleaner.log 2>&1
+
+      - uses: actions/upload-artifact@v3
+        with:
+          name: Logs (clang-include-cleaner)
+          path: ./*.log

Makefile

@@ -694,7 +694,7 @@ test/testbool.o: test/testbool.cpp lib/check.h lib/checkbool.h lib/color.h lib/c
 test/testboost.o: test/testboost.cpp lib/check.h lib/checkboost.h lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/settings.h lib/standards.h lib/suppressions.h lib/templatesimplifier.h lib/timer.h lib/token.h lib/tokenize.h lib/tokenlist.h lib/utils.h lib/vfvalue.h test/fixture.h
 	$(CXX) ${INCLUDE_FOR_TEST} $(CPPFLAGS) $(CXXFLAGS) -c -o $@ test/testboost.cpp
 
-test/testbufferoverrun.o: test/testbufferoverrun.cpp externals/simplecpp/simplecpp.h externals/tinyxml2/tinyxml2.h lib/check.h lib/checkbufferoverrun.h lib/color.h lib/config.h lib/ctu.h lib/errorlogger.h lib/errortypes.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/settings.h lib/sourcelocation.h lib/standards.h lib/suppressions.h lib/symboldatabase.h lib/templatesimplifier.h lib/timer.h lib/token.h lib/tokenize.h lib/tokenlist.h lib/utils.h lib/vfvalue.h test/fixture.h
+test/testbufferoverrun.o: test/testbufferoverrun.cpp externals/simplecpp/simplecpp.h lib/check.h lib/checkbufferoverrun.h lib/color.h lib/config.h lib/ctu.h lib/errorlogger.h lib/errortypes.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/settings.h lib/sourcelocation.h lib/standards.h lib/suppressions.h lib/symboldatabase.h lib/templatesimplifier.h lib/timer.h lib/token.h lib/tokenize.h lib/tokenlist.h lib/utils.h lib/vfvalue.h test/fixture.h
 	$(CXX) ${INCLUDE_FOR_TEST} $(CPPFLAGS) $(CXXFLAGS) -c -o $@ test/testbufferoverrun.cpp
 
 test/testcharvar.o: test/testcharvar.cpp lib/check.h lib/checkother.h lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/settings.h lib/standards.h lib/suppressions.h lib/templatesimplifier.h lib/timer.h lib/token.h lib/tokenize.h lib/tokenlist.h lib/utils.h lib/vfvalue.h test/fixture.h
@@ -703,13 +703,13 @@ test/testcharvar.o: test/testcharvar.cpp lib/check.h lib/checkother.h lib/color.
 test/testclangimport.o: test/testclangimport.cpp lib/check.h lib/clangimport.h lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/settings.h lib/sourcelocation.h lib/standards.h lib/suppressions.h lib/symboldatabase.h lib/templatesimplifier.h lib/timer.h lib/token.h lib/tokenize.h lib/tokenlist.h lib/utils.h lib/vfvalue.h test/fixture.h
 	$(CXX) ${INCLUDE_FOR_TEST} $(CPPFLAGS) $(CXXFLAGS) -c -o $@ test/testclangimport.cpp
 
-test/testclass.o: test/testclass.cpp externals/simplecpp/simplecpp.h externals/tinyxml2/tinyxml2.h lib/check.h lib/checkclass.h lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/preprocessor.h lib/settings.h lib/sourcelocation.h lib/standards.h lib/suppressions.h lib/symboldatabase.h lib/templatesimplifier.h lib/timer.h lib/token.h lib/tokenize.h lib/tokenlist.h lib/utils.h lib/vfvalue.h test/fixture.h
+test/testclass.o: test/testclass.cpp externals/simplecpp/simplecpp.h lib/check.h lib/checkclass.h lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/preprocessor.h lib/settings.h lib/sourcelocation.h lib/standards.h lib/suppressions.h lib/symboldatabase.h lib/templatesimplifier.h lib/timer.h lib/token.h lib/tokenize.h lib/tokenlist.h lib/utils.h lib/vfvalue.h test/fixture.h
 	$(CXX) ${INCLUDE_FOR_TEST} $(CPPFLAGS) $(CXXFLAGS) -c -o $@ test/testclass.cpp
 
 test/testcmdlineparser.o: test/testcmdlineparser.cpp cli/cmdlineparser.h cli/cppcheckexecutor.h lib/check.h lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/settings.h lib/standards.h lib/suppressions.h lib/timer.h lib/utils.h test/fixture.h test/redirect.h
 	$(CXX) ${INCLUDE_FOR_TEST} $(CPPFLAGS) $(CXXFLAGS) -c -o $@ test/testcmdlineparser.cpp
 
-test/testcondition.o: test/testcondition.cpp externals/simplecpp/simplecpp.h externals/tinyxml2/tinyxml2.h lib/check.h lib/checkcondition.h lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/preprocessor.h lib/settings.h lib/standards.h lib/suppressions.h lib/templatesimplifier.h lib/timer.h lib/token.h lib/tokenize.h lib/tokenlist.h lib/utils.h lib/vfvalue.h test/fixture.h
+test/testcondition.o: test/testcondition.cpp externals/simplecpp/simplecpp.h lib/check.h lib/checkcondition.h lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/preprocessor.h lib/settings.h lib/standards.h lib/suppressions.h lib/templatesimplifier.h lib/timer.h lib/token.h lib/tokenize.h lib/tokenlist.h lib/utils.h lib/vfvalue.h test/fixture.h
 	$(CXX) ${INCLUDE_FOR_TEST} $(CPPFLAGS) $(CXXFLAGS) -c -o $@ test/testcondition.cpp
 
 test/testconstructors.o: test/testconstructors.cpp lib/check.h lib/checkclass.h lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/settings.h lib/sourcelocation.h lib/standards.h lib/suppressions.h lib/symboldatabase.h lib/templatesimplifier.h lib/timer.h lib/token.h lib/tokenize.h lib/tokenlist.h lib/utils.h lib/vfvalue.h test/fixture.h
@@ -727,7 +727,7 @@ test/testexceptionsafety.o: test/testexceptionsafety.cpp lib/check.h lib/checkex
 test/testfilelister.o: test/testfilelister.cpp cli/filelister.h lib/check.h lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/pathmatch.h lib/suppressions.h test/fixture.h
 	$(CXX) ${INCLUDE_FOR_TEST} $(CPPFLAGS) $(CXXFLAGS) -c -o $@ test/testfilelister.cpp
 
-test/testfunctions.o: test/testfunctions.cpp externals/tinyxml2/tinyxml2.h lib/check.h lib/checkfunctions.h lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/settings.h lib/standards.h lib/suppressions.h lib/templatesimplifier.h lib/timer.h lib/token.h lib/tokenize.h lib/tokenlist.h lib/utils.h lib/vfvalue.h test/fixture.h
+test/testfunctions.o: test/testfunctions.cpp lib/check.h lib/checkfunctions.h lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/settings.h lib/standards.h lib/suppressions.h lib/templatesimplifier.h lib/timer.h lib/token.h lib/tokenize.h lib/tokenlist.h lib/utils.h lib/vfvalue.h test/fixture.h
 	$(CXX) ${INCLUDE_FOR_TEST} $(CPPFLAGS) $(CXXFLAGS) -c -o $@ test/testfunctions.cpp
 
 test/testgarbage.o: test/testgarbage.cpp externals/simplecpp/simplecpp.h lib/check.h lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/preprocessor.h lib/settings.h lib/standards.h lib/suppressions.h lib/templatesimplifier.h lib/timer.h lib/token.h lib/tokenize.h lib/tokenlist.h lib/utils.h lib/vfvalue.h test/fixture.h
@@ -745,7 +745,7 @@ test/testinternal.o: test/testinternal.cpp lib/check.h lib/checkinternal.h lib/c
 test/testio.o: test/testio.cpp lib/check.h lib/checkio.h lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/settings.h lib/standards.h lib/suppressions.h lib/templatesimplifier.h lib/timer.h lib/token.h lib/tokenize.h lib/tokenlist.h lib/utils.h lib/vfvalue.h test/fixture.h
 	$(CXX) ${INCLUDE_FOR_TEST} $(CPPFLAGS) $(CXXFLAGS) -c -o $@ test/testio.cpp
 
-test/testleakautovar.o: test/testleakautovar.cpp externals/simplecpp/simplecpp.h externals/tinyxml2/tinyxml2.h lib/check.h lib/checkleakautovar.h lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/settings.h lib/standards.h lib/suppressions.h lib/templatesimplifier.h lib/timer.h lib/token.h lib/tokenize.h lib/tokenlist.h lib/utils.h lib/vfvalue.h test/fixture.h
+test/testleakautovar.o: test/testleakautovar.cpp externals/simplecpp/simplecpp.h lib/check.h lib/checkleakautovar.h lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/settings.h lib/standards.h lib/suppressions.h lib/templatesimplifier.h lib/timer.h lib/token.h lib/tokenize.h lib/tokenlist.h lib/utils.h lib/vfvalue.h test/fixture.h
 	$(CXX) ${INCLUDE_FOR_TEST} $(CPPFLAGS) $(CXXFLAGS) -c -o $@ test/testleakautovar.cpp
 
 test/testlibrary.o: test/testlibrary.cpp externals/tinyxml2/tinyxml2.h lib/check.h lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/settings.h lib/standards.h lib/suppressions.h lib/templatesimplifier.h lib/timer.h lib/token.h lib/tokenize.h lib/tokenlist.h lib/utils.h lib/vfvalue.h test/fixture.h test/helpers.h
@@ -763,7 +763,7 @@ test/testnullpointer.o: test/testnullpointer.cpp externals/simplecpp/simplecpp.h
 test/testoptions.o: test/testoptions.cpp lib/check.h lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/suppressions.h test/fixture.h test/options.h
 	$(CXX) ${INCLUDE_FOR_TEST} $(CPPFLAGS) $(CXXFLAGS) -c -o $@ test/testoptions.cpp
 
-test/testother.o: test/testother.cpp externals/simplecpp/simplecpp.h externals/tinyxml2/tinyxml2.h lib/check.h lib/checkother.h lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/preprocessor.h lib/settings.h lib/standards.h lib/suppressions.h lib/templatesimplifier.h lib/timer.h lib/token.h lib/tokenize.h lib/tokenlist.h lib/utils.h lib/vfvalue.h test/fixture.h
+test/testother.o: test/testother.cpp externals/simplecpp/simplecpp.h lib/check.h lib/checkother.h lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/preprocessor.h lib/settings.h lib/standards.h lib/suppressions.h lib/templatesimplifier.h lib/timer.h lib/token.h lib/tokenize.h lib/tokenlist.h lib/utils.h lib/vfvalue.h test/fixture.h
 	$(CXX) ${INCLUDE_FOR_TEST} $(CPPFLAGS) $(CXXFLAGS) -c -o $@ test/testother.cpp
 
 test/testpath.o: test/testpath.cpp lib/check.h lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/path.h lib/suppressions.h test/fixture.h
@@ -814,7 +814,7 @@ test/testsummaries.o: test/testsummaries.cpp lib/check.h lib/color.h lib/config.
 test/testsuppressions.o: test/testsuppressions.cpp cli/cppcheckexecutor.h cli/executor.h cli/processexecutor.h cli/threadexecutor.h lib/analyzerinfo.h lib/check.h lib/color.h lib/config.h lib/cppcheck.h lib/errorlogger.h lib/errortypes.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/settings.h lib/standards.h lib/suppressions.h lib/templatesimplifier.h lib/timer.h lib/token.h lib/tokenize.h lib/tokenlist.h lib/utils.h lib/vfvalue.h test/fixture.h test/helpers.h
 	$(CXX) ${INCLUDE_FOR_TEST} $(CPPFLAGS) $(CXXFLAGS) -c -o $@ test/testsuppressions.cpp
 
-test/testsymboldatabase.o: test/testsymboldatabase.cpp externals/tinyxml2/tinyxml2.h lib/check.h lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/settings.h lib/sourcelocation.h lib/standards.h lib/suppressions.h lib/symboldatabase.h lib/templatesimplifier.h lib/timer.h lib/token.h lib/tokenize.h lib/tokenlist.h lib/utils.h lib/vfvalue.h test/fixture.h test/helpers.h
+test/testsymboldatabase.o: test/testsymboldatabase.cpp lib/check.h lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/settings.h lib/sourcelocation.h lib/standards.h lib/suppressions.h lib/symboldatabase.h lib/templatesimplifier.h lib/timer.h lib/token.h lib/tokenize.h lib/tokenlist.h lib/utils.h lib/vfvalue.h test/fixture.h test/helpers.h
 	$(CXX) ${INCLUDE_FOR_TEST} $(CPPFLAGS) $(CXXFLAGS) -c -o $@ test/testsymboldatabase.cpp
 
 test/testthreadexecutor.o: test/testthreadexecutor.cpp cli/executor.h cli/threadexecutor.h lib/check.h lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/settings.h lib/standards.h lib/suppressions.h lib/templatesimplifier.h lib/timer.h lib/token.h lib/tokenize.h lib/tokenlist.h lib/utils.h lib/vfvalue.h test/fixture.h test/helpers.h test/redirect.h

lib/symboldatabase.cpp

@@ -39,6 +39,7 @@
 #include <algorithm>
 #include <cassert>
 #include <cstring>
+#include <initializer_list>
 #include <iomanip>
 #include <iostream>
 #include <limits>

lib/tokenlist.cpp

@@ -37,6 +37,7 @@
 #include <utility>
 #include <set>
 #include <stack>
+#include <unordered_set>
 
 #include <simplecpp.h>
 

test/testautovariables.cpp

@@ -25,6 +25,7 @@
 
 #include <list>
 #include <sstream> // IWYU pragma: keep
+#include <string>
 
 class TestAutoVariables : public TestFixture {
 public:

test/testbufferoverrun.cpp

@@ -36,8 +36,6 @@
 
 #include <simplecpp.h>
 
-#include <tinyxml2.h>
-
 class TestBufferOverrun : public TestFixture {
 public:
     TestBufferOverrun() : TestFixture("TestBufferOverrun") {}

test/testclass.cpp

@@ -30,8 +30,6 @@
 #include <string>
 #include <vector>
 
-#include <tinyxml2.h>
-
 
 class TestClass : public TestFixture {
 public:

test/testcondition.cpp

@@ -34,8 +34,6 @@
 
 #include <simplecpp.h>
 
-#include <tinyxml2.h>
-
 class TestCondition : public TestFixture {
 public:
     TestCondition() : TestFixture("TestCondition") {}

test/testconstructors.cpp

@@ -24,9 +24,7 @@
 #include "fixture.h"
 #include "tokenize.h"
 
-#include <list>
 #include <sstream> // IWYU pragma: keep
-#include <string>
 
 
 class TestConstructors : public TestFixture {

test/testfunctions.cpp

@@ -28,8 +28,6 @@
 #include <sstream> // IWYU pragma: keep
 #include <string>
 
-#include <tinyxml2.h>
-
 class TestFunctions : public TestFixture {
 public:
     TestFunctions() : TestFixture("TestFunctions") {}

test/testio.cpp

@@ -25,7 +25,9 @@
 #include "fixture.h"
 #include "tokenize.h"
 
+#include <list>
 #include <sstream> // IWYU pragma: keep
+#include <string>
 
 
 class TestIO : public TestFixture {

test/testleakautovar.cpp

@@ -33,8 +33,6 @@
 
 #include <simplecpp.h>
 
-#include <tinyxml2.h>
-
 class TestLeakAutoVarStrcpy;
 class TestLeakAutoVarWindows;
 struct InternalError;

test/testother.cpp

@@ -35,7 +35,6 @@
 #include <vector>
 
 #include <simplecpp.h>
-#include <tinyxml2.h>
 
 
 class TestOther : public TestFixture {

test/testpreprocessor.cpp

@@ -33,7 +33,6 @@
 #include <cstring>
 #include <list>
 #include <map>
-#include <memory>
 #include <set>
 #include <sstream> // IWYU pragma: keep
 #include <string>

test/testsymboldatabase.cpp

@@ -29,6 +29,7 @@
 #include <algorithm>
 #include <cstdint>
 #include <cstring>
+#include <iterator>
 #include <limits>
 #include <list>
 #include <map>
@@ -40,8 +41,6 @@
 #include <unordered_map>
 #include <vector>
 
-#include <tinyxml2.h>
-
 struct InternalError;
 class TestSymbolDatabase;