cppcheck-opensource · chrchr-github · Jun 20, 2024 · Jun 14, 2024 · Jun 14, 2024 · Jun 14, 2024
diff --git a/.github/workflows/selfcheck.yml b/.github/workflows/selfcheck.yml
@@ -58,6 +58,7 @@ jobs:
           CC: clang-14
           CXX: clang++-14
 
+      # unusedFunction - start
       - name: CMake
         run: |
           cmake -S . -B cmake.output -G "Unix Makefiles" -DHAVE_RULES=On -DBUILD_TESTS=On -DBUILD_GUI=ON -DUSE_QT6=On -DWITH_QCHART=ON -DENABLE_CHECK_INTERNAL=On -DCMAKE_GLOBAL_AUTOGEN_TARGET=On
@@ -79,8 +80,11 @@ jobs:
         env:
           DISABLE_VALUEFLOW: 1
           UNUSEDFUNCTION_ONLY: 1
+      # unusedFunction - end
 
       # the following steps are duplicated from above since setting up the build node in a parallel step takes longer than the actual steps
+
+      # unusedFunction notest - start
       - name: CMake (no test)
         run: |
           cmake -S . -B cmake.output.notest -G "Unix Makefiles" -DHAVE_RULES=On -DBUILD_TESTS=Off -DBUILD_GUI=ON -DUSE_QT6=On -DWITH_QCHART=ON -DENABLE_CHECK_INTERNAL=On -DCMAKE_GLOBAL_AUTOGEN_TARGET=On
@@ -100,6 +104,49 @@ jobs:
         env:
           DISABLE_VALUEFLOW: 1
           UNUSEDFUNCTION_ONLY: 1
+      # unusedFunction notest - end
+
+      # unusedFunction notest nogui - start
+      - name: CMake (no test / no gui)
+        run: |
+          cmake -S . -B cmake.output.notest_nogui -G "Unix Makefiles" -DHAVE_RULES=On -DBUILD_TESTS=Off -DENABLE_CHECK_INTERNAL=On
+
+      - name: Generate dependencies (no test / no gui)
+        run: |
+          # make sure the precompiled headers exist
+          make -C cmake.output.notest_nogui lib/CMakeFiles/cppcheck-core.dir/cmake_pch.hxx.cxx
+
+      # TODO: find a way to report unmatched suppressions without need to add information checks
+      - name: Self check (unusedFunction / no test / no gui)
+        run: |
+          ./cppcheck -q --template=selfcheck --error-exitcode=1 --library=cppcheck-lib -D__CPPCHECK__ -D__GNUC__ --enable=unusedFunction --exception-handling -rp=. --project=cmake.output.notest_nogui/compile_commands.json --suppressions-list=.selfcheck_unused_suppressions --inline-suppr
+        env:
+          DISABLE_VALUEFLOW: 1
+          UNUSEDFUNCTION_ONLY: 1
+      # unusedFunction notest nogui - end
+
+      # unusedFunction notest nocli - start
+      - name: CMake (no test / no cli)
+        run: |
+          cmake -S . -B cmake.output.notest_nocli -G "Unix Makefiles" -DHAVE_RULES=On -DBUILD_TESTS=Off -DBUILD_CLI=Off -DBUILD_GUI=ON -DUSE_QT6=On -DWITH_QCHART=ON -DENABLE_CHECK_INTERNAL=On -DCMAKE_GLOBAL_AUTOGEN_TARGET=On
+
+      - name: Generate dependencies (no test / no cli)
+        run: |
+          # make sure the precompiled headers exist
+          make -C cmake.output.notest_nocli lib/CMakeFiles/cppcheck-core.dir/cmake_pch.hxx.cxx
+          # make sure auto-generated GUI files exist
+          make -C cmake.output.notest_nocli autogen
+          make -C cmake.output.notest_nocli gui-build-deps
+
+      # TODO: find a way to report unmatched suppressions without need to add information checks
+      - name: Self check (unusedFunction / no test / no cli)
+        if: false  # TODO: the findings are currently too intrusive
+        run: |
+          ./cppcheck -q --template=selfcheck --error-exitcode=1 --library=cppcheck-lib --library=qt -D__CPPCHECK__ -D__GNUC__ -DQT_VERSION=0x060000 -DQ_MOC_OUTPUT_REVISION=68 -DQT_CHARTS_LIB -DQT_MOC_HAS_STRINGDATA --enable=unusedFunction --exception-handling -rp=. --project=cmake.output.notest_nocli/compile_commands.json --suppressions-list=.selfcheck_unused_suppressions --inline-suppr
+        env:
+          DISABLE_VALUEFLOW: 1
+          UNUSEDFUNCTION_ONLY: 1
+      # unusedFunction notest nocli - end
 
       - name: Fetch corpus
         run: |
@@ -113,7 +160,7 @@ jobs:
       - name: Generate dependencies (corpus)
         run: |
           # make sure the precompiled headers exist
-          make -C cmake.output.notest lib/CMakeFiles/cppcheck-core.dir/cmake_pch.hxx.cxx
+          make -C cmake.output.corpus lib/CMakeFiles/lib_objs.dir/cmake_pch.hxx.cxx
           # make sure auto-generated GUI files exist
           make -C cmake.output.corpus autogen
           make -C cmake.output.corpus gui-build-deps

diff --git a/cli/CMakeLists.txt b/cli/CMakeLists.txt
@@ -1,86 +1,89 @@
-file(GLOB hdrs "*.h")
-file(GLOB srcs "*.cpp")
-file(GLOB mainfile "main.cpp")
-list(REMOVE_ITEM srcs ${mainfile})
+if (BUILD_CLI)
 
-add_library(cli_objs OBJECT ${hdrs} ${srcs})
-target_include_directories(cli_objs PRIVATE ${PROJECT_SOURCE_DIR}/lib/)
-if(USE_BUNDLED_TINYXML2)
-    target_externals_include_directories(cli_objs PRIVATE ${PROJECT_SOURCE_DIR}/externals/tinyxml2/)
-else()
-    target_include_directories(cli_objs SYSTEM PRIVATE ${tinyxml2_INCLUDE_DIRS})
-endif()
-target_externals_include_directories(cli_objs PRIVATE ${PROJECT_SOURCE_DIR}/externals/simplecpp/)
-if (NOT CMAKE_DISABLE_PRECOMPILE_HEADERS)
-    target_precompile_headers(cli_objs PRIVATE precompiled.h)
-endif()
-if (BUILD_CORE_DLL)
-    target_compile_definitions(cli_objs PRIVATE CPPCHECKLIB_IMPORT TINYXML2_IMPORT)
-endif()
+    file(GLOB hdrs "*.h")
+    file(GLOB srcs "*.cpp")
+    file(GLOB mainfile "main.cpp")
+    list(REMOVE_ITEM srcs ${mainfile})
 
-if (CMAKE_CXX_COMPILER_ID MATCHES "Clang" AND CMAKE_CXX_COMPILER_VERSION VERSION_EQUAL 13)
-    # false positive warning in Clang 13 - caused by FD_ZERO macro
-    set_source_files_properties(processexecutor.cpp PROPERTIES COMPILE_FLAGS -Wno-reserved-identifier)
-endif()
-
-list(APPEND cppcheck_SOURCES ${hdrs} ${mainfile} $<TARGET_OBJECTS:cli_objs>)
-if (NOT BUILD_CORE_DLL)
-    list(APPEND cppcheck_SOURCES $<TARGET_OBJECTS:cppcheck-core>)
-    list(APPEND cppcheck_SOURCES $<TARGET_OBJECTS:simplecpp_objs>)
+    add_library(cli_objs OBJECT ${hdrs} ${srcs})
+    target_include_directories(cli_objs PRIVATE ${PROJECT_SOURCE_DIR}/lib/)
     if(USE_BUNDLED_TINYXML2)
-        list(APPEND cppcheck_SOURCES $<TARGET_OBJECTS:tinyxml2_objs>)
+        target_externals_include_directories(cli_objs PRIVATE ${PROJECT_SOURCE_DIR}/externals/tinyxml2/)
+    else()
+        target_include_directories(cli_objs SYSTEM PRIVATE ${tinyxml2_INCLUDE_DIRS})
+    endif()
+    target_externals_include_directories(cli_objs PRIVATE ${PROJECT_SOURCE_DIR}/externals/simplecpp/)
+    if (NOT CMAKE_DISABLE_PRECOMPILE_HEADERS)
+        target_precompile_headers(cli_objs PRIVATE precompiled.h)
+    endif()
+    if (BUILD_CORE_DLL)
+        target_compile_definitions(cli_objs PRIVATE CPPCHECKLIB_IMPORT TINYXML2_IMPORT)
     endif()
-endif()
-if (WIN32)
-    list(APPEND cppcheck_SOURCES version.rc)
-endif()
 
-add_executable(cppcheck ${cppcheck_SOURCES})
-target_include_directories(cppcheck PRIVATE ${PROJECT_SOURCE_DIR}/lib/)
-if(USE_BUNDLED_TINYXML2)
-    target_externals_include_directories(cppcheck PRIVATE ${PROJECT_SOURCE_DIR}/externals/tinyxml2/)
-else()
-    target_include_directories(cppcheck SYSTEM PRIVATE ${tinyxml2_INCLUDE_DIRS})
-endif()
-target_externals_include_directories(cppcheck PRIVATE ${PROJECT_SOURCE_DIR}/externals/simplecpp/)
-if (HAVE_RULES)
-    target_link_libraries(cppcheck ${PCRE_LIBRARY})
-endif()
-if (WIN32 AND NOT BORLAND)
-    if(NOT MINGW)
-        target_link_libraries(cppcheck Shlwapi.lib)
+    if (CMAKE_CXX_COMPILER_ID MATCHES "Clang" AND CMAKE_CXX_COMPILER_VERSION VERSION_EQUAL 13)
+        # false positive warning in Clang 13 - caused by FD_ZERO macro
+        set_source_files_properties(processexecutor.cpp PROPERTIES COMPILE_FLAGS -Wno-reserved-identifier)
+    endif()
+
+    list(APPEND cppcheck_SOURCES ${hdrs} ${mainfile} $<TARGET_OBJECTS:cli_objs>)
+    if (NOT BUILD_CORE_DLL)
+        list(APPEND cppcheck_SOURCES $<TARGET_OBJECTS:cppcheck-core>)
+        list(APPEND cppcheck_SOURCES $<TARGET_OBJECTS:simplecpp_objs>)
+        if(USE_BUNDLED_TINYXML2)
+            list(APPEND cppcheck_SOURCES $<TARGET_OBJECTS:tinyxml2_objs>)
+        endif()
+    endif()
+    if (WIN32)
+        list(APPEND cppcheck_SOURCES version.rc)
+    endif()
+
+    add_executable(cppcheck ${cppcheck_SOURCES})
+    target_include_directories(cppcheck PRIVATE ${PROJECT_SOURCE_DIR}/lib/)
+    if(USE_BUNDLED_TINYXML2)
+        target_externals_include_directories(cppcheck PRIVATE ${PROJECT_SOURCE_DIR}/externals/tinyxml2/)
     else()
-        target_link_libraries(cppcheck shlwapi)
+        target_include_directories(cppcheck SYSTEM PRIVATE ${tinyxml2_INCLUDE_DIRS})
+    endif()
+    target_externals_include_directories(cppcheck PRIVATE ${PROJECT_SOURCE_DIR}/externals/simplecpp/)
+    if (HAVE_RULES)
+        target_link_libraries(cppcheck ${PCRE_LIBRARY})
+    endif()
+    if (WIN32 AND NOT BORLAND)
+        if(NOT MINGW)
+            target_link_libraries(cppcheck Shlwapi.lib)
+        else()
+            target_link_libraries(cppcheck shlwapi)
+        endif()
+    endif()
+    if(tinyxml2_FOUND AND NOT USE_BUNDLED_TINYXML2)
+        target_link_libraries(cppcheck ${tinyxml2_LIBRARIES})
+    endif()
+    target_link_libraries(cppcheck ${CMAKE_THREAD_LIBS_INIT})
+    if (BUILD_CORE_DLL)
+        target_link_libraries(cppcheck cppcheck-core)
     endif()
-endif()
-if(tinyxml2_FOUND AND NOT USE_BUNDLED_TINYXML2)
-    target_link_libraries(cppcheck ${tinyxml2_LIBRARIES})
-endif()
-target_link_libraries(cppcheck ${CMAKE_THREAD_LIBS_INIT})
-if (BUILD_CORE_DLL)
-    target_link_libraries(cppcheck cppcheck-core)
-endif()
 
-add_dependencies(cppcheck copy_cfg)
-add_dependencies(cppcheck copy_addons)
-add_dependencies(cppcheck copy_platforms)
-if (NOT DISABLE_DMAKE)
-    add_dependencies(cppcheck run-dmake)
-endif()
+    add_dependencies(cppcheck copy_cfg)
+    add_dependencies(cppcheck copy_addons)
+    add_dependencies(cppcheck copy_platforms)
+    if (NOT DISABLE_DMAKE)
+        add_dependencies(cppcheck run-dmake)
+    endif()
 
-install(TARGETS cppcheck
-    RUNTIME DESTINATION ${CMAKE_INSTALL_FULL_BINDIR}
-    COMPONENT applications)
+    install(TARGETS cppcheck
+        RUNTIME DESTINATION ${CMAKE_INSTALL_FULL_BINDIR}
+        COMPONENT applications)
 
-install(FILES ${addons}
-   DESTINATION ${FILESDIR}/addons
-   COMPONENT headers)
+    install(FILES ${addons}
+       DESTINATION ${FILESDIR}/addons
+       COMPONENT headers)
 
-install(FILES ${cfgs}
-   DESTINATION ${FILESDIR}/cfg
-   COMPONENT headers)
+    install(FILES ${cfgs}
+       DESTINATION ${FILESDIR}/cfg
+       COMPONENT headers)
 
-install(FILES ${platforms}
-   DESTINATION ${FILESDIR}/platforms
-   COMPONENT headers)
+    install(FILES ${platforms}
+       DESTINATION ${FILESDIR}/platforms
+       COMPONENT headers)
 
+endif()
diff --git a/cmake/options.cmake b/cmake/options.cmake
@@ -51,6 +51,8 @@ option(ENABLE_CHECK_INTERNAL "Enable internal checks"
 option(DISABLE_DMAKE        "Disable run-dmake dependencies"                                OFF)
 option(BUILD_MANPAGE        "Enable man target to build manpage"                            OFF)
 
+option(BUILD_CLI            "Build the cli application"                                     ON)
+
 option(BUILD_GUI            "Build the qt application"                                      OFF)
 option(WITH_QCHART          "Enable QtCharts usage in the GUI"                              OFF)
 option(USE_QT6              "Prefer Qt6 when available"                                     OFF)

diff --git a/cmake/printInfo.cmake b/cmake/printInfo.cmake
@@ -58,6 +58,8 @@ message(STATUS "ENABLE_CHECK_INTERNAL = ${ENABLE_CHECK_INTERNAL}")
 message(STATUS "DISABLE_DMAKE =         ${DISABLE_DMAKE}")
 message(STATUS "BUILD_MANPAGE =         ${BUILD_MANPAGE}")
 message(STATUS)
+message(STATUS "BUILD_CLI =             ${BUILD_CLI}")
+message(STATUS)
 message(STATUS "BUILD_GUI =             ${BUILD_GUI}")
 if(BUILD_GUI)
     message(STATUS "REGISTER_GUI_TESTS =    ${REGISTER_GUI_TESTS}")

diff --git a/lib/checkleakautovar.cpp b/lib/checkleakautovar.cpp
@@ -104,47 +104,6 @@ static bool isVarTokComparison(const Token * tok, const Token ** vartok,
 
 //---------------------------------------------------------------------------
 
-void VarInfo::print()
-{
-    std::cout << "size=" << alloctype.size() << std::endl;
-    for (std::map<int, AllocInfo>::const_iterator it = alloctype.cbegin(); it != alloctype.cend(); ++it) {
-        std::string strusage;
-        const auto use = possibleUsage.find(it->first);
-        if (use != possibleUsage.end())
-            strusage = use->second.first->str();
-
-        std::string status;
-        switch (it->second.status) {
-        case OWNED:
-            status = "owned";
-            break;
-        case DEALLOC:
-            status = "dealloc";
-            break;
-        case ALLOC:
-            status = "alloc";
-            break;
-        case NOALLOC:
-            status = "noalloc";
-            break;
-        case REALLOC:
-            status = "realloc";
-            break;
-        default:
-            status = "?";
-            break;
-        }
-
-        std::cout << "status=" << status << " "
-                  << "alloctype='" << it->second.type << "' "
-                  << "possibleUsage='" << strusage << "' "
-                  << "conditionalAlloc=" << (conditionalAlloc.find(it->first) != conditionalAlloc.end() ? "yes" : "no") << " "
-                  << "referenced=" << (referenced.find(it->first) != referenced.end() ? "yes" : "no") << " "
-                  << "reallocedFrom=" << it->second.reallocedFromType
-                  << std::endl;
-    }
-}
-
 void VarInfo::possibleUsageAll(const std::pair<const Token*, Usage>& functionUsage)
 {
     possibleUsage.clear();

diff --git a/lib/checkleakautovar.h b/lib/checkleakautovar.h
@@ -94,8 +94,6 @@ class CPPCHECKLIB VarInfo {
 
     /** set possible usage for all variables */
     void possibleUsageAll(const std::pair<const Token*, Usage>& functionUsage);
-
-    void print();
 };
 
 

diff --git a/lib/errorlogger.h b/lib/errorlogger.h
@@ -186,6 +186,7 @@ class CPPCHECKLIB ErrorMessage {
     }
 
     /** Verbose message (may be the same as the short message) */
+    // cppcheck-suppress unusedFunction - used by GUI only
     const std::string &verboseMessage() const {
         return mVerboseMessage;
     }

diff --git a/lib/importproject.cpp b/lib/importproject.cpp
@@ -1324,6 +1324,7 @@ void ImportProject::selectOneVsConfig(Platform::Type platform)
     }
 }
 
+// cppcheck-suppress unusedFunction - used by GUI only
 void ImportProject::selectVsConfigurations(Platform::Type platform, const std::vector<std::string> &configurations)
 {
     for (std::list<FileSettings>::iterator it = fileSettings.begin(); it != fileSettings.end();) {
@@ -1348,6 +1349,7 @@ void ImportProject::selectVsConfigurations(Platform::Type platform, const std::v
     }
 }
 
+// cppcheck-suppress unusedFunction - used by GUI only
 std::list<std::string> ImportProject::getVSConfigs()
 {
     return std::list<std::string>(mAllVSConfigs.cbegin(), mAllVSConfigs.cend());

diff --git a/lib/suppressions.cpp b/lib/suppressions.cpp
@@ -390,6 +390,7 @@ bool SuppressionList::Suppression::isMatch(const SuppressionList::ErrorMessage &
     return true;
 }
 
+// cppcheck-suppress unusedFunction - used by GUI only
 std::string SuppressionList::Suppression::getText() const
 {
     std::string ret;

diff --git a/test/testcmdlineparser.cpp b/test/testcmdlineparser.cpp
@@ -268,6 +268,7 @@ class TestCmdlineParser : public TestFixture {
         TEST_CASE(xmlverinvalid);
         TEST_CASE(doc);
         TEST_CASE(docExclusive);
+        TEST_CASE(showtimeSummary);
         TEST_CASE(showtimeFile);
         TEST_CASE(showtimeFileTotal);
         TEST_CASE(showtimeTop5);
-Original file line number
+Diff line change
@@ Expand Up / @@ -94,8 +94,6 @@ class CPPCHECKLIB VarInfo { @@
         /** set possible usage for all variables */
         void possibleUsageAll(const std::pair<const Token*, Usage>& functionUsage);
-        void print();
     };
@@ Expand Down @@