fixed #13909 / refs #13914 - some (enforced) language handling fixes for the GUI

Makefile

@@ -659,7 +659,7 @@ $(libcppdir)/vf_settokenvalue.o: lib/vf_settokenvalue.cpp lib/addoninfo.h lib/as
 $(libcppdir)/vfvalue.o: lib/vfvalue.cpp lib/config.h lib/errortypes.h lib/mathlib.h lib/templatesimplifier.h lib/token.h lib/utils.h lib/vfvalue.h
 	$(CXX) ${INCLUDE_FOR_LIB} $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $(libcppdir)/vfvalue.cpp
 
-frontend/frontend.o: frontend/frontend.cpp frontend/frontend.h
+frontend/frontend.o: frontend/frontend.cpp frontend/frontend.h lib/addoninfo.h lib/checkers.h lib/config.h lib/errortypes.h lib/filesettings.h lib/library.h lib/mathlib.h lib/path.h lib/platform.h lib/settings.h lib/standards.h lib/utils.h
 	$(CXX) ${INCLUDE_FOR_FE} $(CPPFLAGS) $(CXXFLAGS) -c -o $@ frontend/frontend.cpp
 
 cli/cmdlineparser.o: cli/cmdlineparser.cpp cli/cmdlinelogger.h cli/cmdlineparser.h cli/filelister.h externals/tinyxml2/tinyxml2.h lib/addoninfo.h lib/check.h lib/checkers.h lib/color.h lib/config.h lib/cppcheck.h lib/errorlogger.h lib/errortypes.h lib/filesettings.h lib/importproject.h lib/library.h lib/mathlib.h lib/path.h lib/pathmatch.h lib/platform.h lib/settings.h lib/standards.h lib/suppressions.h lib/timer.h lib/utils.h lib/xml.h

cli/cmdlineparser.cpp

@@ -39,6 +39,8 @@
 #include "timer.h"
 #include "utils.h"
 
+#include "frontend.h"
+
 #include <algorithm>
 #include <cassert>
 #include <climits>
@@ -221,40 +223,7 @@ bool CmdLineParser::fillSettingsFromArgs(int argc, const char* const argv[])
 
         mFileSettings.clear();
 
-        if (mSettings.enforcedLang != Standards::Language::None)
-        {
-            // apply enforced language
-            for (auto& fs : fileSettings)
-            {
-                if (mSettings.library.markupFile(fs.filename()))
-                    continue;
-                fs.file.setLang(mSettings.enforcedLang);
-            }
-        }
-        else
-        {
-            // identify files
-            for (auto& fs : fileSettings)
-            {
-                if (mSettings.library.markupFile(fs.filename()))
-                    continue;
-                assert(fs.file.lang() == Standards::Language::None);
-                bool header = false;
-                fs.file.setLang(Path::identify(fs.filename(), mSettings.cppHeaderProbe, &header));
-                // unknown extensions default to C++
-                if (!header && fs.file.lang() == Standards::Language::None)
-                    fs.file.setLang(Standards::Language::CPP);
-            }
-        }
-
-        // enforce the language since markup files are special and do not adhere to the enforced language
-        for (auto& fs : fileSettings)
-        {
-            if (mSettings.library.markupFile(fs.filename())) {
-                assert(fs.file.lang() == Standards::Language::None);
-                fs.file.setLang(Standards::Language::C);
-            }
-        }
+        frontend::applyLang(fileSettings, mSettings, mEnforcedLang);
 
         // sort the markup last
         std::copy_if(fileSettings.cbegin(), fileSettings.cend(), std::back_inserter(mFileSettings), [&](const FileSettings &fs) {
@@ -324,14 +293,14 @@ bool CmdLineParser::fillSettingsFromArgs(int argc, const char* const argv[])
             files = std::move(filesResolved);
         }
 
-        if (mSettings.enforcedLang != Standards::Language::None)
+        if (mEnforcedLang != Standards::Language::None)
         {
             // apply enforced language
             for (auto& f : files)
             {
                 if (mSettings.library.markupFile(f.path()))
                     continue;
-                f.setLang(mSettings.enforcedLang);
+                f.setLang(mEnforcedLang);
             }
         }
         else
@@ -983,9 +952,9 @@ CmdLineParser::Result CmdLineParser::parseFromArgs(int argc, const char* const a
             }
 
             if (str == "c")
-                mSettings.enforcedLang = Standards::Language::C;
+                mEnforcedLang = Standards::Language::C;
             else if (str == "c++")
-                mSettings.enforcedLang = Standards::Language::CPP;
+                mEnforcedLang = Standards::Language::CPP;
             else {
                 mLogger.printError("unknown language '" + str + "' enforced.");
                 return Result::Fail;

cli/cmdlineparser.h

@@ -27,6 +27,7 @@
 
 #include "cmdlinelogger.h"
 #include "filesettings.h"
+#include "standards.h"
 #include "utils.h"
 
 class Settings;
@@ -46,6 +47,7 @@ class Library;
  * class internal options.
  */
 class CmdLineParser {
+    friend class TestCmdlineParser;
 public:
     /**
      * The constructor.
@@ -174,6 +176,8 @@ class CmdLineParser {
     std::vector<std::string> mIgnoredPaths;
     Settings &mSettings;
     Suppressions &mSuppressions;
+    /** @brief Name of the language that is enforced. Empty per default. */
+    Standards::Language mEnforcedLang{Standards::Language::None};
 };
 
 /// @}

frontend/frontend.cpp

@@ -18,5 +18,45 @@
 
 #include "frontend.h"
 
-namespace frontend
-{}
+#include "filesettings.h"
+#include "settings.h"
+
+namespace frontend {
+    void applyLang(std::list<FileSettings>& fileSettings, const Settings& settings, Standards::Language enforcedLang)
+    {
+        if (enforcedLang != Standards::Language::None)
+        {
+            // apply enforced language
+            for (auto& fs : fileSettings)
+            {
+                if (settings.library.markupFile(fs.filename()))
+                    continue;
+                fs.file.setLang(enforcedLang);
+            }
+        }
+        else
+        {
+            // identify files
+            for (auto& fs : fileSettings)
+            {
+                if (settings.library.markupFile(fs.filename()))
+                    continue;
+                assert(fs.file.lang() == Standards::Language::None);
+                bool header = false;
+                fs.file.setLang(Path::identify(fs.filename(), settings.cppHeaderProbe, &header));
+                // unknown extensions default to C++
+                if (!header && fs.file.lang() == Standards::Language::None)
+                    fs.file.setLang(Standards::Language::CPP);
+            }
+        }
+
+        // enforce the language since markup files are special and do not adhere to the enforced language
+        for (auto& fs : fileSettings)
+        {
+            if (settings.library.markupFile(fs.filename())) {
+                assert(fs.file.lang() == Standards::Language::None);
+                fs.file.setLang(Standards::Language::C);
+            }
+        }
+    }
+}

frontend/frontend.h

@@ -19,7 +19,16 @@
 #ifndef FRONTEND_H
 #define FRONTEND_H
 
+#include "standards.h"
+
+#include <list>
+
+struct FileSettings;
+class Settings;
+
 namespace frontend
-{}
+{
+    void applyLang(std::list<FileSettings> &fileSettings, const Settings &settings, Standards::Language enforcedLang);
+}
 
 #endif // FRONTEND_H

gui/checkthread.cpp

@@ -143,6 +143,7 @@ void CheckThread::run()
         qDebug() << "Whole program analysis";
         std::list<FileWithDetails> files2;
         std::transform(mFiles.cbegin(), mFiles.cend(), std::back_inserter(files2), [&](const QString& file) {
+            // TODO: apply enforcedLanguage
             return FileWithDetails{file.toStdString(), Path::identify(file.toStdString(), mSettings.cppHeaderProbe), 0};
         });
         cppcheck.analyseWholeProgram(mSettings.buildDir, files2, {}, ctuInfo);
@@ -154,6 +155,7 @@ void CheckThread::run()
     QString file = mResult.getNextFile();
     while (!file.isEmpty() && mState == Running) {
         qDebug() << "Checking file" << file;
+        // TODO: apply enforcedLanguage
         cppcheck.check(FileWithDetails(file.toStdString(), Path::identify(file.toStdString(), mSettings.cppHeaderProbe), 0));
         runAddonsAndTools(mSettings, nullptr, file);
         emit fileChecked(file);

gui/mainwindow.cpp

@@ -54,6 +54,8 @@
 
 #include "ui_mainwindow.h"
 
+#include "frontend.h"
+
 #include <algorithm>
 #include <iterator>
 #include <list>
@@ -604,6 +606,10 @@ void MainWindow::doAnalyzeProject(ImportProject p, const bool checkLibrary, cons
         mThread->setClangIncludePaths(clangHeaders.split(";"));
         mThread->setSuppressions(mProjectFile->getSuppressions());
     }
+
+    const Standards::Language enforcedLang = static_cast<Standards::Language>(mSettings->value(SETTINGS_ENFORCED_LANGUAGE, 0).toInt());
+    frontend::applyLang(p.fileSettings, checkSettings, enforcedLang);
+
     mThread->setProject(p);
     mThread->check(checkSettings, supprs);
     mUI->mResults->setCheckSettings(checkSettings);
@@ -703,6 +709,7 @@ void MainWindow::analyzeCode(const QString& code, const QString& filename)
     checkLockDownUI();
     clearResults();
     mUI->mResults->checkingStarted(1);
+    // TODO: apply enforcedLanguage
     cppcheck.check(FileWithDetails(filename.toStdString(), Path::identify(filename.toStdString(), false), 0), code.toStdString());
     analysisDone();
 
@@ -797,7 +804,7 @@ void MainWindow::analyzeFiles()
             p.ignoreOtherConfigs(cfg.toStdString());
         }
 
-        doAnalyzeProject(p);
+        doAnalyzeProject(p); // TODO: avoid copy
         return;
     }
 
@@ -1208,7 +1215,6 @@ bool MainWindow::getCppcheckSettings(Settings& settings, Suppressions& supprs)
         settings.platform.set(static_cast<Platform::Type>(mSettings->value(SETTINGS_CHECKED_PLATFORM, 0).toInt()));
     settings.standards.setCPP(mSettings->value(SETTINGS_STD_CPP, QString()).toString().toStdString());
     settings.standards.setC(mSettings->value(SETTINGS_STD_C, QString()).toString().toStdString());
-    settings.enforcedLang = static_cast<Standards::Language>(mSettings->value(SETTINGS_ENFORCED_LANGUAGE, 0).toInt());
 
     settings.jobs = std::max(settings.jobs, 1u);
 
@@ -1960,7 +1966,7 @@ void MainWindow::analyzeProject(const ProjectFile *projectFile, const QStringLis
             msg.exec();
             return;
         }
-        doAnalyzeProject(p, checkLibrary, checkConfiguration);
+        doAnalyzeProject(p, checkLibrary, checkConfiguration);  // TODO: avoid copy
         return;
     }
 

lib/settings.h

@@ -236,9 +236,6 @@ class CPPCHECKLIB WARN_UNUSED Settings {
     /** @brief Do not filter duplicated errors. */
     bool emitDuplicates{};
 
-    /** @brief Name of the language that is enforced. Empty per default. */
-    Standards::Language enforcedLang{};
-
 #if defined(USE_WINDOWS_SEH) || defined(USE_UNIX_SIGNAL_HANDLING)
     /** @brief Is --exception-handling given */
     bool exceptionHandling{};

test/testcmdlineparser.cpp

@@ -765,14 +765,14 @@ class TestCmdlineParser : public TestFixture {
         REDIRECT;
         const char * const argv[] = {"cppcheck", "file.cpp"};
         ASSERT_EQUALS_ENUM(CmdLineParser::Result::Success, parseFromArgs(argv));
-        ASSERT_EQUALS(Standards::Language::None, settings->enforcedLang);
+        ASSERT_EQUALS(Standards::Language::None, parser->mEnforcedLang);
     }
 
     void enforceLanguage2() {
         REDIRECT;
         const char * const argv[] = {"cppcheck", "-x", "c++", "file.cpp"};
         ASSERT_EQUALS_ENUM(CmdLineParser::Result::Success, parseFromArgs(argv));
-        ASSERT_EQUALS(Standards::Language::CPP, settings->enforcedLang);
+        ASSERT_EQUALS(Standards::Language::CPP, parser->mEnforcedLang);
     }
 
     void enforceLanguage3() {
@@ -793,14 +793,14 @@ class TestCmdlineParser : public TestFixture {
         REDIRECT;
         const char * const argv[] = {"cppcheck", "--language=c++", "file.cpp"};
         ASSERT_EQUALS_ENUM(CmdLineParser::Result::Success, parseFromArgs(argv));
-        ASSERT_EQUALS(Standards::Language::CPP, settings->enforcedLang);
+        ASSERT_EQUALS(Standards::Language::CPP, parser->mEnforcedLang);
     }
 
     void enforceLanguage6() {
         REDIRECT;
         const char * const argv[] = {"cppcheck", "--language=c", "file.cpp"};
         ASSERT_EQUALS_ENUM(CmdLineParser::Result::Success, parseFromArgs(argv));
-        ASSERT_EQUALS(Standards::Language::C, settings->enforcedLang);
+        ASSERT_EQUALS(Standards::Language::C, parser->mEnforcedLang);
     }
 
     void enforceLanguage7() {