diff --git a/.clang-tidy b/.clang-tidy
index 19508860132..62047bd3966 100644
--- a/.clang-tidy
+++ b/.clang-tidy
@@ -70,7 +70,7 @@ Checks: >
         -readability-suspicious-call-argument,
         -readability-uppercase-literal-suffix
 WarningsAsErrors: '*'
-HeaderFilterRegex: '(cli|gui|lib|oss-fuzz|test|triage)\/[a-z_]+\.h'
+HeaderFilterRegex: '(cli|gui|frontend|lib|oss-fuzz|test|triage)\/[a-z_]+\.h'
 ExcludeHeaderFilterRegex: 'ui_.*.h'
 CheckOptions:
   - key:             misc-non-private-member-variables-in-classes.IgnoreClassesWithAllMemberVariablesBeingPublic
diff --git a/.github/workflows/CI-unixish.yml b/.github/workflows/CI-unixish.yml
index 62adc9a62c5..964948b4fb9 100644
--- a/.github/workflows/CI-unixish.yml
+++ b/.github/workflows/CI-unixish.yml
@@ -523,7 +523,7 @@ jobs:
           ./cppcheck $selfcheck_options externals || ec=1
           # self check lib/cli
           mkdir b1
-          ./cppcheck $selfcheck_options $cppcheck_options --cppcheck-build-dir=b1 --addon=naming.json cli || ec=1
+          ./cppcheck $selfcheck_options $cppcheck_options --cppcheck-build-dir=b1 --addon=naming.json cli frontend || ec=1
           ./cppcheck $selfcheck_options $cppcheck_options --cppcheck-build-dir=b1 --addon=naming.json --enable=internal lib || ec=1
           # check gui with qt settings
           mkdir b2
diff --git a/.github/workflows/asan.yml b/.github/workflows/asan.yml
index 3e8fc4053f1..44b490cbf94 100644
--- a/.github/workflows/asan.yml
+++ b/.github/workflows/asan.yml
@@ -145,7 +145,7 @@ jobs:
           cppcheck_options="-D__CPPCHECK__ -DCHECK_INTERNAL -DHAVE_RULES --library=cppcheck-lib -Ilib -Iexternals/simplecpp/ -Iexternals/tinyxml2"
           ec=0
           ./cmake.output/bin/cppcheck $selfcheck_options externals || ec=1
-          ./cmake.output/bin/cppcheck $selfcheck_options $cppcheck_options --addon=naming.json cli || ec=1
+          ./cmake.output/bin/cppcheck $selfcheck_options $cppcheck_options --addon=naming.json cli frontend || ec=1
           ./cmake.output/bin/cppcheck $selfcheck_options $cppcheck_options --addon=naming.json --enable=internal lib || ec=1
           ./cmake.output/bin/cppcheck $selfcheck_options $cppcheck_options -DQT_VERSION=0x060000 -DQ_MOC_OUTPUT_REVISION=69 -DQT_CHARTS_LIB -DQT_MOC_HAS_STRINGDATA --library=qt --addon=naming.json -Icmake.output/gui -Igui gui/*.cpp cmake.output/gui/*.cpp || ec=1
           ./cmake.output/bin/cppcheck $selfcheck_options $cppcheck_options -Icli test/*.cpp tools/dmake/*.cpp || ec=1
diff --git a/.github/workflows/tsan.yml b/.github/workflows/tsan.yml
index 2f6b1ef38e0..3fa13777bd8 100644
--- a/.github/workflows/tsan.yml
+++ b/.github/workflows/tsan.yml
@@ -148,7 +148,7 @@ jobs:
           cppcheck_options="-D__CPPCHECK__ -DCHECK_INTERNAL -DHAVE_RULES --library=cppcheck-lib -Ilib -Iexternals/simplecpp/ -Iexternals/tinyxml2"
           ec=0
           ./cmake.output/bin/cppcheck $selfcheck_options externals || ec=1
-          ./cmake.output/bin/cppcheck $selfcheck_options $cppcheck_options --addon=naming.json cli || ec=1
+          ./cmake.output/bin/cppcheck $selfcheck_options $cppcheck_options --addon=naming.json cli frontend || ec=1
           ./cmake.output/bin/cppcheck $selfcheck_options $cppcheck_options --addon=naming.json --enable=internal lib || ec=1
           ./cmake.output/bin/cppcheck $selfcheck_options $cppcheck_options -DQT_VERSION=0x060000 -DQ_MOC_OUTPUT_REVISION=69 -DQT_CHARTS_LIB -DQT_MOC_HAS_STRINGDATA --library=qt --addon=naming.json -Icmake.output/gui -Igui gui/*.cpp cmake.output/gui/*.cpp || ec=1
           ./cmake.output/bin/cppcheck $selfcheck_options $cppcheck_options -Icli test/*.cpp tools/dmake/*.cpp || ec=1
diff --git a/.github/workflows/ubsan.yml b/.github/workflows/ubsan.yml
index 5720cbf35d5..349be66c201 100644
--- a/.github/workflows/ubsan.yml
+++ b/.github/workflows/ubsan.yml
@@ -142,7 +142,7 @@ jobs:
           cppcheck_options="-D__CPPCHECK__ -DCHECK_INTERNAL -DHAVE_RULES --library=cppcheck-lib -Ilib -Iexternals/simplecpp/ -Iexternals/tinyxml2"
           ec=0
           ./cmake.output/bin/cppcheck $selfcheck_options externals || ec=1
-          ./cmake.output/bin/cppcheck $selfcheck_options $cppcheck_options --addon=naming.json cli || ec=1
+          ./cmake.output/bin/cppcheck $selfcheck_options $cppcheck_options --addon=naming.json cli frontend || ec=1
           ./cmake.output/bin/cppcheck $selfcheck_options $cppcheck_options --addon=naming.json --enable=internal lib || ec=1
           ./cmake.output/bin/cppcheck $selfcheck_options $cppcheck_options -DQT_VERSION=0x060000 -DQ_MOC_OUTPUT_REVISION=69 -DQT_CHARTS_LIB -DQT_MOC_HAS_STRINGDATA --library=qt --addon=naming.json -Icmake.output/gui -Igui gui/*.cpp cmake.output/gui/*.cpp || ec=1
           ./cmake.output/bin/cppcheck $selfcheck_options $cppcheck_options -Icli test/*.cpp tools/dmake/*.cpp || ec=1
diff --git a/CMakeLists.txt b/CMakeLists.txt
index a47d5fc6257..a99ce95e6ae 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -101,6 +101,7 @@ if(USE_BUNDLED_TINYXML2)
 endif()
 add_subdirectory(externals/simplecpp)
 add_subdirectory(lib)   # CppCheck Library
+add_subdirectory(frontend)
 add_subdirectory(cli)   # Client application
 add_subdirectory(test)  # Tests
 add_subdirectory(gui)   # Graphical application
diff --git a/Makefile b/Makefile
index 2a72e243844..4d7b43b7b29 100644
--- a/Makefile
+++ b/Makefile
@@ -162,8 +162,12 @@ ifndef INCLUDE_FOR_LIB
     INCLUDE_FOR_LIB=-Ilib -isystem externals -isystem externals/picojson -isystem externals/simplecpp -isystem externals/tinyxml2
 endif
 
+ifndef INCLUDE_FOR_FE
+    INCLUDE_FOR_FE=-Ilib
+endif
+
 ifndef INCLUDE_FOR_CLI
-    INCLUDE_FOR_CLI=-Ilib -isystem externals/picojson -isystem externals/simplecpp -isystem externals/tinyxml2
+    INCLUDE_FOR_CLI=-Ilib -Ifrontend -isystem externals/picojson -isystem externals/simplecpp -isystem externals/tinyxml2
 endif
 
 ifndef INCLUDE_FOR_TEST
@@ -252,6 +256,8 @@ LIBOBJ =      $(libcppdir)/valueflow.o \
 EXTOBJ =      externals/simplecpp/simplecpp.o \
               externals/tinyxml2/tinyxml2.o
 
+FEOBJ =       frontend/frontend.o
+
 CLIOBJ =      cli/cmdlineparser.o \
               cli/cppcheckexecutor.o \
               cli/executor.o \
@@ -344,12 +350,12 @@ TESTOBJ =     test/fixture.o \
 
 ###### Targets
 
-cppcheck: $(EXTOBJ) $(LIBOBJ) $(CLIOBJ)
+cppcheck: $(EXTOBJ) $(LIBOBJ) $(FEOBJ) $(CLIOBJ)
 	$(CXX) $(CPPFLAGS) $(CXXFLAGS) -o $@ $^ $(LIBS) $(LDFLAGS) $(RDYNAMIC)
 
 all:	cppcheck testrunner
 
-testrunner: $(EXTOBJ) $(TESTOBJ) $(LIBOBJ) cli/cmdlineparser.o cli/cppcheckexecutor.o cli/executor.o cli/filelister.o cli/processexecutor.o cli/sehwrapper.o cli/signalhandler.o cli/singleexecutor.o cli/stacktrace.o cli/threadexecutor.o
+testrunner: $(EXTOBJ) $(TESTOBJ) $(LIBOBJ) $(FEOBJ) cli/cmdlineparser.o cli/cppcheckexecutor.o cli/executor.o cli/filelister.o cli/processexecutor.o cli/sehwrapper.o cli/signalhandler.o cli/singleexecutor.o cli/stacktrace.o cli/threadexecutor.o
 	$(CXX) $(CPPFLAGS) $(CXXFLAGS) -o $@ $^ $(LIBS) $(LDFLAGS) $(RDYNAMIC)
 
 test:	all
@@ -653,6 +659,9 @@ $(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
+	$(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
 	$(CXX) ${INCLUDE_FOR_CLI} $(CPPFLAGS) $(CXXFLAGS) -c -o $@ cli/cmdlineparser.cpp
 
diff --git a/cli/CMakeLists.txt b/cli/CMakeLists.txt
index dc13dba1403..8ea47196350 100644
--- a/cli/CMakeLists.txt
+++ b/cli/CMakeLists.txt
@@ -6,7 +6,7 @@ if (BUILD_CLI)
     list(REMOVE_ITEM srcs ${mainfile})
 
     add_library(cli_objs OBJECT ${hdrs} ${srcs})
-    target_include_directories(cli_objs PRIVATE ${PROJECT_SOURCE_DIR}/lib/)
+    target_include_directories(cli_objs PRIVATE ${PROJECT_SOURCE_DIR}/lib/ ${PROJECT_SOURCE_DIR}/frontend/)
     if(USE_BUNDLED_TINYXML2)
         target_externals_include_directories(cli_objs PRIVATE ${PROJECT_SOURCE_DIR}/externals/tinyxml2/)
     else()
@@ -26,7 +26,7 @@ if (BUILD_CLI)
         set_source_files_properties(processexecutor.cpp PROPERTIES COMPILE_FLAGS -Wno-reserved-identifier)
     endif()
 
-    list(APPEND cppcheck_SOURCES ${hdrs} ${mainfile} $<TARGET_OBJECTS:cli_objs>)
+    list(APPEND cppcheck_SOURCES ${hdrs} ${mainfile} $<TARGET_OBJECTS:cli_objs> $<TARGET_OBJECTS:frontend_objs>)
     if (NOT BUILD_CORE_DLL)
         list(APPEND cppcheck_SOURCES $<TARGET_OBJECTS:cppcheck-core>)
         list(APPEND cppcheck_SOURCES $<TARGET_OBJECTS:simplecpp_objs>)
diff --git a/cli/cli.vcxproj b/cli/cli.vcxproj
index 3178f4319d2..5d4ee25b0e3 100644
--- a/cli/cli.vcxproj
+++ b/cli/cli.vcxproj
@@ -85,7 +85,7 @@
   </PropertyGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
     <ClCompile>
-      <AdditionalIncludeDirectories>..\lib;..\externals;..\externals\picojson;..\externals\simplecpp;..\externals\tinyxml2;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>..\lib;..\frontend;..\externals;..\externals\picojson;..\externals\simplecpp;..\externals\tinyxml2;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <BufferSecurityCheck>true</BufferSecurityCheck>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
       <Optimization>Disabled</Optimization>
@@ -114,7 +114,7 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug-PCRE|x64'">
     <ClCompile>
-      <AdditionalIncludeDirectories>..\lib;..\externals;..\externals\picojson;..\externals\simplecpp;..\externals\tinyxml2;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>..\lib;..\frontend;..\externals;..\externals\picojson;..\externals\simplecpp;..\externals\tinyxml2;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <BufferSecurityCheck>true</BufferSecurityCheck>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
       <Optimization>Disabled</Optimization>
@@ -143,7 +143,7 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
     <ClCompile>
-      <AdditionalIncludeDirectories>..\lib;..\externals;..\externals\picojson;..\externals\simplecpp;..\externals\tinyxml2;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>..\lib;..\frontend;..\externals;..\externals\picojson;..\externals\simplecpp;..\externals\tinyxml2;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <BufferSecurityCheck>false</BufferSecurityCheck>
       <Optimization>MaxSpeed</Optimization>
       <PreprocessorDefinitions>CPPCHECKLIB_IMPORT;TINYXML2_IMPORT;NDEBUG;WIN32;_CRT_SECURE_NO_WARNINGS;WIN32_LEAN_AND_MEAN;_WIN64;%(PreprocessorDefinitions)</PreprocessorDefinitions>
@@ -181,7 +181,7 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release-PCRE|x64'">
     <ClCompile>
-      <AdditionalIncludeDirectories>..\lib;..\externals;..\externals\picojson;..\externals\simplecpp;..\externals\tinyxml2;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>..\lib;..\frontend;..\externals;..\externals\picojson;..\externals\simplecpp;..\externals\tinyxml2;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <BufferSecurityCheck>false</BufferSecurityCheck>
       <Optimization>MaxSpeed</Optimization>
       <PreprocessorDefinitions>CPPCHECKLIB_IMPORT;TINYXML2_IMPORT;NDEBUG;WIN32;HAVE_RULES;_CRT_SECURE_NO_WARNINGS;WIN32_LEAN_AND_MEAN;_WIN64;%(PreprocessorDefinitions)</PreprocessorDefinitions>
@@ -231,6 +231,7 @@
     <ClInclude Include="singleexecutor.h" />
     <ClInclude Include="stacktrace.h" />
     <ClInclude Include="threadexecutor.h" />
+    <ClInclude Include="..\frontend\frontend.h" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\lib\cppcheck.vcxproj">
@@ -254,6 +255,7 @@
     <ClCompile Include="singleexecutor.cpp" />
     <ClCompile Include="stacktrace.cpp" />
     <ClCompile Include="threadexecutor.cpp" />
+    <ClCompile Include="..\frontend\frontend.cpp" />
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets" />
diff --git a/cli/cli.vcxproj.filters b/cli/cli.vcxproj.filters
index 2320255e6b5..5d3bd1c86cc 100644
--- a/cli/cli.vcxproj.filters
+++ b/cli/cli.vcxproj.filters
@@ -23,9 +23,6 @@
     <ClInclude Include="cppcheckexecutor.h">
       <Filter>Header Files</Filter>
     </ClInclude>
-    <ClInclude Include="cppcheckexecutorseh.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
     <ClInclude Include="signalhandler.h">
       <Filter>Header Files</Filter>
     </ClInclude>
@@ -44,6 +41,12 @@
     <ClInclude Include="singleexecutor.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="sehwrapper.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="..\frontend\frontend.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup Label="SourceFiles">
     <ClCompile Include="main.cpp">
@@ -55,9 +58,6 @@
     <ClCompile Include="cppcheckexecutor.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
-    <ClCompile Include="cppcheckexecutorseh.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
     <ClCompile Include="signalhandler.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
@@ -79,6 +79,12 @@
     <ClCompile Include="singleexecutor.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="sehwrapper.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\frontend\frontend.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ResourceCompile Include="version.rc">
diff --git a/frontend/CMakeLists.txt b/frontend/CMakeLists.txt
new file mode 100644
index 00000000000..e5e64bfe85b
--- /dev/null
+++ b/frontend/CMakeLists.txt
@@ -0,0 +1,5 @@
+file(GLOB hdrs "*.h")
+file(GLOB srcs "*.cpp")
+
+add_library(frontend_objs OBJECT ${hdrs} ${srcs})
+target_include_directories(frontend_objs PRIVATE ${PROJECT_SOURCE_DIR}/lib)
\ No newline at end of file
diff --git a/frontend/frontend.cpp b/frontend/frontend.cpp
new file mode 100644
index 00000000000..133ab8ac8fe
--- /dev/null
+++ b/frontend/frontend.cpp
@@ -0,0 +1,22 @@
+/*
+ * Cppcheck - A tool for static C/C++ code analysis
+ * Copyright (C) 2007-2025 Cppcheck team.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "frontend.h"
+
+namespace frontend
+{}
diff --git a/frontend/frontend.h b/frontend/frontend.h
new file mode 100644
index 00000000000..50a20264af1
--- /dev/null
+++ b/frontend/frontend.h
@@ -0,0 +1,25 @@
+/* -*- C++ -*-
+ * Cppcheck - A tool for static C/C++ code analysis
+ * Copyright (C) 2007-2025 Cppcheck team.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef FRONTEND_H
+#define FRONTEND_H
+
+namespace frontend
+{}
+
+#endif // FRONTEND_H
diff --git a/gui/CMakeLists.txt b/gui/CMakeLists.txt
index 21375fbd784..fdf154b270a 100644
--- a/gui/CMakeLists.txt
+++ b/gui/CMakeLists.txt
@@ -20,7 +20,7 @@ CheckOptions:
     list(APPEND cppcheck-gui-deps ${hdrs} ${uis_hdrs} ${resources} ${qms})
     add_custom_target(gui-build-deps SOURCES ${cppcheck-gui-deps})
 
-    list(APPEND cppcheck-gui_SOURCES ${srcs})
+    list(APPEND cppcheck-gui_SOURCES ${srcs} $<TARGET_OBJECTS:frontend_objs>)
     if (NOT BUILD_CORE_DLL)
         list(APPEND cppcheck-gui_SOURCES $<TARGET_OBJECTS:cppcheck-core> $<TARGET_OBJECTS:simplecpp_objs>)
         if(USE_BUNDLED_TINYXML2)
@@ -34,7 +34,7 @@ CheckOptions:
     add_executable(cppcheck-gui ${cppcheck-gui-deps} ${cppcheck-gui_SOURCES})
     set_target_properties(cppcheck-gui PROPERTIES AUTOMOC ON)
     set_target_properties(cppcheck-gui PROPERTIES WIN32_EXECUTABLE ON)
-    target_include_directories(cppcheck-gui PRIVATE ${PROJECT_SOURCE_DIR}/lib/)
+    target_include_directories(cppcheck-gui PRIVATE ${PROJECT_SOURCE_DIR}/lib/ ${PROJECT_SOURCE_DIR}/frontend/)
     if(USE_BUNDLED_TINYXML2)
         target_externals_include_directories(cppcheck-gui PRIVATE ${PROJECT_SOURCE_DIR}/externals/tinyxml2/)
     else()
diff --git a/lib/cppcheck.vcxproj.filters b/lib/cppcheck.vcxproj.filters
index a4c000fd9a6..958ba595f7d 100644
--- a/lib/cppcheck.vcxproj.filters
+++ b/lib/cppcheck.vcxproj.filters
@@ -9,6 +9,9 @@
       <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
       <Extensions>cpp;c;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
     </Filter>
+    <Filter Include="Resource Files">
+      <UniqueIdentifier>{00a07a33-9811-481c-91aa-46bfba1cda93}</UniqueIdentifier>
+    </Filter>
   </ItemGroup>
   <ItemGroup Label="SourceFiles">
     <ClCompile Include="tokenize.cpp">
@@ -212,88 +215,13 @@
     <ClCompile Include="vf_analyzers.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
-    <ClCompile Include="vf_array.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="vf_arraybool.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="vf_arrayelement.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="vf_bailout.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="vf_bitand.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
     <ClCompile Include="vf_common.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
-    <ClCompile Include="vf_conditionexpressions.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="vf_debug.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="vf_enumvalue.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="vf_functionreturn.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="vf_globalconstvar.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="vf_globalstaticvar.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="vf_impossiblevalues.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="vf_infercondition.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="vf_iteratorinfer.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="vf_iterators.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="vf_number.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="vf_pointeralias.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="vf_reverse.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="vf_rightshift.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="vf_sameexpressions.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
     <ClCompile Include="vf_settokenvalue.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
-    <ClCompile Include="vf_string.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="vf_subfunction.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="vf_switchvariable.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="vf_symbolicinfer.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="vf_symbolicoperators.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="vf_unknownfunctionreturn.cpp">
+    <ClCompile Include="findtoken.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
   </ItemGroup>
@@ -541,98 +469,24 @@
     <ClInclude Include="vf_analyzers.h">
       <Filter>Header Files</Filter>
     </ClInclude>
-    <ClInclude Include="vf_array.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
-    <ClInclude Include="vf_arraybool.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
-    <ClInclude Include="vf_arrayelement.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
-    <ClInclude Include="vf_bailout.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
-    <ClInclude Include="vf_bitand.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
     <ClInclude Include="vf_common.h">
       <Filter>Header Files</Filter>
     </ClInclude>
-    <ClInclude Include="vf_conditionexpressions.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
-    <ClInclude Include="vf_debug.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
-    <ClInclude Include="vf_enumvalue.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
-    <ClInclude Include="vf_functionreturn.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
-    <ClInclude Include="vf_globalconstvar.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
-    <ClInclude Include="vf_globalstaticvar.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
-    <ClInclude Include="vf_impossiblevalues.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
-    <ClInclude Include="vf_infercondition.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
-    <ClInclude Include="vf_iteratorinfer.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
-    <ClInclude Include="vf_iterators.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
-    <ClInclude Include="vf_number.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
-    <ClInclude Include="vf_pointeralias.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
-    <ClInclude Include="vf_reverse.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
-    <ClInclude Include="vf_rightshift.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
-    <ClInclude Include="vf_sameexpressions.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
     <ClInclude Include="vf_settokenvalue.h">
       <Filter>Header Files</Filter>
     </ClInclude>
-    <ClInclude Include="vf_string.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
-    <ClInclude Include="vf_subfunction.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
-    <ClInclude Include="vf_switchvariable.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
-    <ClInclude Include="vf_symbolicinfer.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
-    <ClInclude Include="vf_symbolicoperators.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
-    <ClInclude Include="vf_unknownfunctionreturn.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
     <ClInclude Include="xml.h">
       <Filter>Header Files</Filter>
     </ClInclude>
   </ItemGroup>
   <ItemGroup>
-    <ResourceCompile Include="version.rc" />
+    <Natvis Include="cppcheck.natvis">
+      <Filter>Resource Files</Filter>
+    </Natvis>
   </ItemGroup>
   <ItemGroup>
-    <Natvis Include="cppcheck.natvis" />
+    <ResourceCompile Include="version.rc">
+      <Filter>Resource Files</Filter>
+    </ResourceCompile>
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 3b516f38965..0155cd15e80 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -4,7 +4,7 @@ if (BUILD_TESTS)
 
     file(GLOB hdrs "*.h")
     file(GLOB srcs "*.cpp")
-    list(APPEND testrunner_SOURCES ${hdrs} ${srcs} $<TARGET_OBJECTS:cli_objs>)
+    list(APPEND testrunner_SOURCES ${hdrs} ${srcs} $<TARGET_OBJECTS:cli_objs> $<TARGET_OBJECTS:frontend_objs>)
     if (NOT BUILD_CORE_DLL)
         list(APPEND testrunner_SOURCES $<TARGET_OBJECTS:cppcheck-core> $<TARGET_OBJECTS:simplecpp_objs>)
         if(USE_BUNDLED_TINYXML2)
@@ -13,7 +13,7 @@ if (BUILD_TESTS)
     endif()
 
     add_executable(testrunner ${testrunner_SOURCES})
-    target_include_directories(testrunner PRIVATE ${PROJECT_SOURCE_DIR}/lib/ ${PROJECT_SOURCE_DIR}/cli/)
+    target_include_directories(testrunner PRIVATE ${PROJECT_SOURCE_DIR}/lib/ ${PROJECT_SOURCE_DIR}/cli/ ${PROJECT_SOURCE_DIR}/frontend/)
     if(USE_BUNDLED_TINYXML2)
         target_externals_include_directories(testrunner PRIVATE ${PROJECT_SOURCE_DIR}/externals/tinyxml2)
     else()
diff --git a/test/testrunner.vcxproj b/test/testrunner.vcxproj
index 2f44ad4395f..176f9737ad9 100755
--- a/test/testrunner.vcxproj
+++ b/test/testrunner.vcxproj
@@ -34,6 +34,7 @@
     <ClCompile Include="..\cli\singleexecutor.cpp" />
     <ClCompile Include="..\cli\stacktrace.cpp" />
     <ClCompile Include="..\cli\threadexecutor.cpp" />
+    <ClCompile Include="..\frontend\frontend.cpp" />
     <ClCompile Include="fixture.cpp">
       <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|x64'">Create</PrecompiledHeader>
       <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">Create</PrecompiledHeader>
@@ -125,6 +126,7 @@
     <ClInclude Include="..\cli\singleexecutor.h" />
     <ClInclude Include="..\cli\stacktrace.h" />
     <ClInclude Include="..\cli\threadexecutor.h" />
+    <ClInclude Include="..\frontend\frontend.h" />
     <ClInclude Include="fixture.h" />
     <ClInclude Include="helpers.h" />
     <ClInclude Include="options.h" />
@@ -198,7 +200,7 @@
   </PropertyGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
     <ClCompile>
-      <AdditionalIncludeDirectories>..\cli;..\lib;..\externals;..\externals\picojson;..\externals\simplecpp;..\externals\tinyxml2;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>..\cli;..\frontend;..\lib;..\externals;..\externals\picojson;..\externals\simplecpp;..\externals\tinyxml2;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <BufferSecurityCheck>true</BufferSecurityCheck>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
       <Optimization>Disabled</Optimization>
@@ -227,7 +229,7 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug-PCRE|x64'">
     <ClCompile>
-      <AdditionalIncludeDirectories>..\cli;..\lib;..\externals;..\externals\picojson;..\externals\simplecpp;..\externals\tinyxml2;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>..\cli;..\frontend;..\lib;..\externals;..\externals\picojson;..\externals\simplecpp;..\externals\tinyxml2;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <BufferSecurityCheck>true</BufferSecurityCheck>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
       <Optimization>Disabled</Optimization>
@@ -256,7 +258,7 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
     <ClCompile>
-      <AdditionalIncludeDirectories>..\cli;..\lib;..\externals;..\externals\picojson;..\externals\simplecpp;..\externals\tinyxml2;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>..\cli;..\frontend;..\lib;..\externals;..\externals\picojson;..\externals\simplecpp;..\externals\tinyxml2;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <BufferSecurityCheck>false</BufferSecurityCheck>
       <Optimization>MaxSpeed</Optimization>
       <PreprocessorDefinitions>CPPCHECKLIB_IMPORT;SIMPLECPP_IMPORT;NDEBUG;WIN32;_CRT_SECURE_NO_WARNINGS;WIN32_LEAN_AND_MEAN;_WIN64;%(PreprocessorDefinitions)</PreprocessorDefinitions>
@@ -296,7 +298,7 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release-PCRE|x64'">
     <ClCompile>
-      <AdditionalIncludeDirectories>..\cli;..\lib;..\externals;..\externals\picojson;..\externals\simplecpp;..\externals\tinyxml2;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>..\cli;..\frontend;..\lib;..\externals;..\externals\picojson;..\externals\simplecpp;..\externals\tinyxml2;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <BufferSecurityCheck>false</BufferSecurityCheck>
       <Optimization>MaxSpeed</Optimization>
       <PreprocessorDefinitions>CPPCHECKLIB_IMPORT;SIMPLECPP_IMPORT;NDEBUG;WIN32;HAVE_RULES;_CRT_SECURE_NO_WARNINGS;WIN32_LEAN_AND_MEAN;_WIN64;%(PreprocessorDefinitions)</PreprocessorDefinitions>
diff --git a/test/testrunner.vcxproj.filters b/test/testrunner.vcxproj.filters
index 81ab11f1f3c..6aa63768b24 100644
--- a/test/testrunner.vcxproj.filters
+++ b/test/testrunner.vcxproj.filters
@@ -136,9 +136,6 @@
     <ClCompile Include="testio.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
-    <ClCompile Include="testboost.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
     <ClCompile Include="testinternal.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
@@ -220,9 +217,6 @@
     <ClCompile Include="testclangimport.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
-    <ClCompile Include="..\cli\cppcheckexecutorseh.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
     <ClCompile Include="..\cli\signalhandler.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
@@ -268,6 +262,18 @@
     <ClCompile Include="teststandards.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="..\cli\sehwrapper.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="testexecutor.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="testvfvalue.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\frontend\frontend.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup Label="HeaderFiles">
     <ClInclude Include="options.h">
@@ -291,9 +297,6 @@
     <ClInclude Include="..\cli\cppcheckexecutor.h">
       <Filter>Header Files</Filter>
     </ClInclude>
-    <ClInclude Include="..\cli\cppcheckexecutorseh.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
     <ClInclude Include="..\cli\signalhandler.h">
       <Filter>Header Files</Filter>
     </ClInclude>
@@ -315,5 +318,11 @@
     <ClInclude Include="helpers.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="..\cli\sehwrapper.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="..\frontend\frontend.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/tools/dmake/dmake.cpp b/tools/dmake/dmake.cpp
index f85f65ae0d4..1dc58916b48 100644
--- a/tools/dmake/dmake.cpp
+++ b/tools/dmake/dmake.cpp
@@ -89,6 +89,8 @@ static void getDeps(std::string filename, std::vector<std::string> &depfiles)
          * Files are searched according to the following priority:
          * [test, tools] -> cli -> lib -> externals
          */
+        if (startsWith(filename, "frontend/"))
+            getDeps("lib" + filename.substr(filename.find('/')), depfiles);
         if (startsWith(filename, "cli/"))
             getDeps("lib" + filename.substr(filename.find('/')), depfiles);
         else if (startsWith(filename, "test/"))
@@ -432,6 +434,13 @@ int main(int argc, char **argv)
         return EXIT_FAILURE;
     }
 
+    std::vector<std::string> frontendfiles;
+    err = getCppFiles(frontendfiles, "frontend/", false);
+    if (!err.empty()) {
+        std::cerr << err << std::endl;
+        return EXIT_FAILURE;
+    }
+
     std::vector<std::string> clifiles;
     err = getCppFiles(clifiles, "cli/", false);
     if (!err.empty()) {
@@ -453,7 +462,7 @@ int main(int argc, char **argv)
         return EXIT_FAILURE;
     }
 
-    if (libfiles.empty() && clifiles.empty() && testfiles.empty()) {
+    if (libfiles.empty() && frontendfiles.empty() && clifiles.empty() && testfiles.empty()) {
         std::cerr << "No files found. Are you in the correct directory?" << std::endl;
         return EXIT_FAILURE;
     }
@@ -481,6 +490,13 @@ int main(int argc, char **argv)
     libfiles_h.emplace("vf_analyze.h");
     libfiles_h.emplace("xml.h");
 
+    std::vector<std::string> frontendfiles_h;
+    for (const std::string &frontendfile : frontendfiles) {
+        std::string fname(frontendfile.substr(9));
+        fname.erase(fname.find(".cpp"));
+        frontendfiles_h.emplace_back(fname + ".h");
+    }
+
     std::vector<std::string> clifiles_h;
     for (const std::string &clifile : clifiles) {
         std::string fname(clifile.substr(4));
@@ -504,10 +520,18 @@ int main(int argc, char **argv)
             const std::string c = clifile.substr(4);
             outstr += make_vcxproj_cl_entry(c, c == "executor.cpp" ? Precompile : Compile);
         }
+        for (const std::string &frontendfile: frontendfiles) {
+            const std::string c = "..\\frontend\\" + frontendfile.substr(9);
+            outstr += make_vcxproj_cl_entry(c, Compile);
+        }
     }, [&](std::string &outstr){
         for (const std::string &clifile_h: clifiles_h) {
             outstr += make_vcxproj_cl_entry(clifile_h, Include);
         }
+        for (const std::string &frontendfile_h: frontendfiles_h) {
+            const std::string h = "..\\frontend\\" + frontendfile_h;
+            outstr += make_vcxproj_cl_entry(h, Include);
+        }
     });
 
     write_vcxproj("lib/cppcheck.vcxproj", [&](std::string &outstr){
@@ -535,6 +559,11 @@ int main(int argc, char **argv)
             outstr += make_vcxproj_cl_entry(c, Compile);
         }
 
+        for (const std::string &frontendfile: frontendfiles) {
+            const std::string c = "..\\frontend\\" + frontendfile.substr(9);
+            outstr += make_vcxproj_cl_entry(c, Compile);
+        }
+
         for (const std::string &testfile: testfiles) {
             const std::string t = testfile.substr(5);
             outstr += make_vcxproj_cl_entry(t, t == "fixture.cpp" ? Precompile : Compile);
@@ -545,6 +574,11 @@ int main(int argc, char **argv)
             outstr += make_vcxproj_cl_entry(c, Include);
         }
 
+        for (const std::string &frontendfile_h: frontendfiles_h) {
+            const std::string h = "..\\frontend\\" + frontendfile_h;
+            outstr += make_vcxproj_cl_entry(h, Include);
+        }
+
         for (const std::string &testfile_h: testfiles_h) {
             outstr += make_vcxproj_cl_entry(testfile_h, Include);
         }
@@ -718,7 +752,8 @@ int main(int argc, char **argv)
 
     makeConditionalVariable(fout, "PREFIX", "/usr");
     makeConditionalVariable(fout, "INCLUDE_FOR_LIB", "-Ilib -isystem externals -isystem externals/picojson -isystem externals/simplecpp -isystem externals/tinyxml2");
-    makeConditionalVariable(fout, "INCLUDE_FOR_CLI", "-Ilib -isystem externals/picojson -isystem externals/simplecpp -isystem externals/tinyxml2");
+    makeConditionalVariable(fout, "INCLUDE_FOR_FE", "-Ilib");
+    makeConditionalVariable(fout, "INCLUDE_FOR_CLI", "-Ilib -Ifrontend -isystem externals/picojson -isystem externals/simplecpp -isystem externals/tinyxml2");
     makeConditionalVariable(fout, "INCLUDE_FOR_TEST", "-Ilib -Icli -isystem externals/simplecpp -isystem externals/tinyxml2");
 
     fout << "BIN=$(DESTDIR)$(PREFIX)/bin\n\n";
@@ -730,12 +765,13 @@ int main(int argc, char **argv)
     fout << "\n###### Object Files\n\n";
     fout << "LIBOBJ =      " << objfiles(libfiles_prio) << "\n\n";
     fout << "EXTOBJ =      " << objfiles(extfiles) << "\n\n";
+    fout << "FEOBJ =       " << objfiles(frontendfiles) << "\n\n";
     fout << "CLIOBJ =      " << objfiles(clifiles) << "\n\n";
     fout << "TESTOBJ =     " << objfiles(testfiles) << "\n\n";
 
     fout << ".PHONY: run-dmake tags\n\n";
     fout << "\n###### Targets\n\n";
-    fout << "cppcheck: $(EXTOBJ) $(LIBOBJ) $(CLIOBJ)\n";
+    fout << "cppcheck: $(EXTOBJ) $(LIBOBJ) $(FEOBJ) $(CLIOBJ)\n";
     fout << "\t$(CXX) $(CPPFLAGS) $(CXXFLAGS) -o $@ $^ $(LIBS) $(LDFLAGS) $(RDYNAMIC)\n\n";
     fout << "all:\tcppcheck testrunner\n\n";
     std::string testrunner_clifiles_o;
@@ -746,7 +782,7 @@ int main(int argc, char **argv)
         const std::string o = clifile.substr(0, clifile.length()-3) + 'o';
         testrunner_clifiles_o += o;
     }
-    fout << "testrunner: $(EXTOBJ) $(TESTOBJ) $(LIBOBJ)" << testrunner_clifiles_o << "\n";
+    fout << "testrunner: $(EXTOBJ) $(TESTOBJ) $(LIBOBJ) $(FEOBJ)" << testrunner_clifiles_o << "\n";
     fout << "\t$(CXX) $(CPPFLAGS) $(CXXFLAGS) -o $@ $^ $(LIBS) $(LDFLAGS) $(RDYNAMIC)\n\n";
     fout << "test:\tall\n";
     fout << "\t./testrunner\n\n";
@@ -835,6 +871,7 @@ int main(int argc, char **argv)
     fout << "\n###### Build\n\n";
 
     compilefiles(fout, libfiles_prio, "${INCLUDE_FOR_LIB}");
+    compilefiles(fout, frontendfiles, "${INCLUDE_FOR_FE}");
     compilefiles(fout, clifiles, "${INCLUDE_FOR_CLI}");
     compilefiles(fout, testfiles, "${INCLUDE_FOR_TEST}");
     compilefiles(fout, extfiles, "");