fast valueflow

Author: danmar

Makefile

@@ -243,6 +243,7 @@ LIBOBJ =      $(libcppdir)/valueflow.o \
               $(libcppdir)/platform.o \
               $(libcppdir)/preprocessor.o \
               $(libcppdir)/programmemory.o \
+              $(libcppdir)/programmemoryfast.o \
               $(libcppdir)/reverseanalyzer.o \
               $(libcppdir)/settings.o \
               $(libcppdir)/summaries.o \
@@ -252,6 +253,7 @@ LIBOBJ =      $(libcppdir)/valueflow.o \
               $(libcppdir)/token.o \
               $(libcppdir)/tokenlist.o \
               $(libcppdir)/utils.o \
+              $(libcppdir)/valueflowfast.o \
               $(libcppdir)/vfvalue.o
 
 EXTOBJ =      externals/simplecpp/simplecpp.o \
@@ -338,6 +340,7 @@ TESTOBJ =     test/fixture.o \
               test/testutils.o \
               test/testvaarg.o \
               test/testvalueflow.o \
+              test/testvalueflowfast.o \
               test/testvarid.o
 
 .PHONY: run-dmake tags
@@ -459,7 +462,7 @@ validateRules:
 
 ###### Build
 
-$(libcppdir)/valueflow.o: lib/valueflow.cpp lib/addoninfo.h lib/analyzer.h lib/astutils.h lib/calculate.h lib/check.h lib/checkuninitvar.h lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/findtoken.h lib/forwardanalyzer.h lib/infer.h lib/library.h lib/mathlib.h lib/path.h lib/platform.h lib/programmemory.h lib/reverseanalyzer.h lib/settings.h lib/smallvector.h lib/sourcelocation.h lib/standards.h lib/suppressions.h lib/symboldatabase.h lib/templatesimplifier.h lib/timer.h lib/token.h lib/tokenize.h lib/tokenlist.h lib/utils.h lib/valueflow.h lib/valueptr.h lib/vfvalue.h
+$(libcppdir)/valueflow.o: lib/valueflow.cpp lib/addoninfo.h lib/analyzer.h lib/astutils.h lib/calculate.h lib/check.h lib/checkuninitvar.h lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/findtoken.h lib/forwardanalyzer.h lib/infer.h lib/library.h lib/mathlib.h lib/path.h lib/platform.h lib/programmemory.h lib/reverseanalyzer.h lib/settings.h lib/smallvector.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/valueflow.h lib/valueflowfast.h lib/valueptr.h lib/vfvalue.h
 	$(CXX) ${INCLUDE_FOR_LIB} $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $(libcppdir)/valueflow.cpp
 
 $(libcppdir)/tokenize.o: lib/tokenize.cpp externals/simplecpp/simplecpp.h lib/addoninfo.h lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/library.h lib/mathlib.h lib/path.h lib/platform.h lib/preprocessor.h lib/settings.h lib/sourcelocation.h lib/standards.h lib/summaries.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/valueflow.h lib/vfvalue.h
@@ -618,6 +621,9 @@ $(libcppdir)/preprocessor.o: lib/preprocessor.cpp externals/simplecpp/simplecpp.
 $(libcppdir)/programmemory.o: lib/programmemory.cpp lib/addoninfo.h lib/astutils.h lib/calculate.h lib/config.h lib/errortypes.h lib/infer.h lib/library.h lib/mathlib.h lib/platform.h lib/programmemory.h lib/settings.h lib/smallvector.h lib/sourcelocation.h lib/standards.h lib/suppressions.h lib/symboldatabase.h lib/templatesimplifier.h lib/token.h lib/utils.h lib/valueflow.h lib/valueptr.h lib/vfvalue.h
 	$(CXX) ${INCLUDE_FOR_LIB} $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $(libcppdir)/programmemory.cpp
 
+$(libcppdir)/programmemoryfast.o: lib/programmemoryfast.cpp lib/astutils.h lib/config.h lib/errortypes.h lib/library.h lib/mathlib.h lib/programmemoryfast.h lib/smallvector.h lib/sourcelocation.h lib/standards.h lib/symboldatabase.h lib/templatesimplifier.h lib/token.h lib/utils.h lib/valueflow.h lib/vfvalue.h
+	$(CXX) ${INCLUDE_FOR_LIB} $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $(libcppdir)/programmemoryfast.cpp
+
 $(libcppdir)/reverseanalyzer.o: lib/reverseanalyzer.cpp lib/addoninfo.h lib/analyzer.h lib/astutils.h lib/config.h lib/errortypes.h lib/forwardanalyzer.h lib/library.h lib/mathlib.h lib/platform.h lib/reverseanalyzer.h lib/settings.h lib/smallvector.h lib/sourcelocation.h lib/standards.h lib/suppressions.h lib/symboldatabase.h lib/templatesimplifier.h lib/token.h lib/utils.h lib/valueptr.h lib/vfvalue.h
 	$(CXX) ${INCLUDE_FOR_LIB} $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $(libcppdir)/reverseanalyzer.cpp
 
@@ -645,6 +651,9 @@ $(libcppdir)/tokenlist.o: lib/tokenlist.cpp externals/simplecpp/simplecpp.h lib/
 $(libcppdir)/utils.o: lib/utils.cpp lib/config.h lib/utils.h
 	$(CXX) ${INCLUDE_FOR_LIB} $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $(libcppdir)/utils.cpp
 
+$(libcppdir)/valueflowfast.o: lib/valueflowfast.cpp lib/addoninfo.h lib/astutils.h lib/calculate.h lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/fwdanalysis.h lib/library.h lib/mathlib.h lib/path.h lib/platform.h lib/programmemoryfast.h lib/settings.h lib/smallvector.h lib/sourcelocation.h lib/standards.h lib/suppressions.h lib/symboldatabase.h lib/templatesimplifier.h lib/token.h lib/tokenlist.h lib/utils.h lib/valueflow.h lib/valueflowfast.h lib/vfvalue.h
+	$(CXX) ${INCLUDE_FOR_LIB} $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $(libcppdir)/valueflowfast.cpp
+
 $(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
 
@@ -888,6 +897,9 @@ test/testvaarg.o: test/testvaarg.cpp lib/addoninfo.h lib/check.h lib/checkvaarg.
 test/testvalueflow.o: test/testvalueflow.cpp lib/addoninfo.h lib/check.h lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/library.h lib/mathlib.h lib/platform.h lib/settings.h lib/standards.h lib/suppressions.h lib/templatesimplifier.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/testvalueflow.cpp
 
+test/testvalueflowfast.o: test/testvalueflowfast.cpp externals/simplecpp/simplecpp.h lib/addoninfo.h lib/check.h lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/library.h lib/mathlib.h lib/platform.h lib/settings.h lib/standards.h lib/suppressions.h lib/templatesimplifier.h lib/token.h lib/tokenize.h lib/tokenlist.h lib/utils.h lib/valueflow.h lib/vfvalue.h test/fixture.h test/helpers.h
+	$(CXX) ${INCLUDE_FOR_TEST} $(CPPFLAGS) $(CXXFLAGS) -c -o $@ test/testvalueflowfast.cpp
+
 test/testvarid.o: test/testvarid.cpp lib/addoninfo.h lib/check.h lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/library.h lib/mathlib.h lib/platform.h lib/settings.h lib/standards.h lib/suppressions.h lib/templatesimplifier.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/testvarid.cpp
 

cli/cmdlineparser.cpp

@@ -475,7 +475,9 @@ CmdLineParser::Result CmdLineParser::parseFromArgs(int argc, const char* const a
             else if (std::strncmp(argv[i], "--check-level=", 14) == 0) {
                 Settings::CheckLevel level = Settings::CheckLevel::normal;
                 const std::string level_s(argv[i] + 14);
-                if (level_s == "normal")
+                if (level_s == "fast")
+                    level = Settings::CheckLevel::fast;
+                else if (level_s == "normal")
                     level = Settings::CheckLevel::normal;
                 else if (level_s == "exhaustive")
                     level = Settings::CheckLevel::exhaustive;

lib/checkother.cpp

@@ -3585,7 +3585,7 @@ void CheckOther::checkShadowVariables()
                 continue;
             if (scope.type == Scope::eFunction && scope.className == var.name())
                 continue;
-            if (functionScope->functionOf && functionScope->functionOf->isClassOrStructOrUnion() && functionScope->function && functionScope->function->isStatic() &&
+            if (functionScope && functionScope->functionOf && functionScope->functionOf->isClassOrStructOrUnion() && functionScope->function && functionScope->function->isStatic() &&
                 shadowed->variable() && !shadowed->variable()->isLocal())
                 continue;
             shadowError(var.nameToken(), shadowed, (shadowed->varId() != 0) ? "variable" : "function");

lib/cppcheck.vcxproj

@@ -78,6 +78,7 @@
     <ClCompile Include="platform.cpp" />
     <ClCompile Include="preprocessor.cpp" />
     <ClCompile Include="programmemory.cpp" />
+    <ClCompile Include="programmemoryfast.cpp" />
     <ClCompile Include="reverseanalyzer.cpp" />
     <ClCompile Include="settings.cpp" />
     <ClCompile Include="summaries.cpp" />
@@ -87,6 +88,7 @@
     <ClCompile Include="token.cpp" />
     <ClCompile Include="tokenlist.cpp" />
     <ClCompile Include="utils.cpp" />
+    <ClCompile Include="valueflowfast.cpp" />
     <ClCompile Include="vfvalue.cpp" />
   </ItemGroup>
   <ItemGroup Label="HeaderFiles">
@@ -149,6 +151,7 @@
     <ClInclude Include="precompiled.h" />
     <ClInclude Include="preprocessor.h" />
     <ClInclude Include="programmemory.h" />
+    <ClInclude Include="programmemoryfast.h" />
     <ClInclude Include="reverseanalyzer.h" />
     <ClInclude Include="settings.h" />
     <ClInclude Include="smallvector.h" />
@@ -164,6 +167,7 @@
     <ClInclude Include="tokenrange.h" />
     <ClInclude Include="utils.h" />
     <ClInclude Include="valueflow.h" />
+    <ClInclude Include="valueflowfast.h" />
     <ClInclude Include="valueptr.h" />
     <ClInclude Include="version.h" />
     <ClInclude Include="vfvalue.h" />

lib/lib.pri

@@ -60,6 +60,7 @@ HEADERS += $${PWD}/addoninfo.h \
            $${PWD}/precompiled.h \
            $${PWD}/preprocessor.h \
            $${PWD}/programmemory.h \
+           $${PWD}/programmemoryfast.h \
            $${PWD}/reverseanalyzer.h \
            $${PWD}/settings.h \
            $${PWD}/smallvector.h \
@@ -75,6 +76,7 @@ HEADERS += $${PWD}/addoninfo.h \
            $${PWD}/tokenrange.h \
            $${PWD}/utils.h \
            $${PWD}/valueflow.h \
+           $${PWD}/valueflowfast.h \
            $${PWD}/valueptr.h \
            $${PWD}/version.h \
            $${PWD}/vfvalue.h \
@@ -133,6 +135,7 @@ SOURCES += $${PWD}/valueflow.cpp \
            $${PWD}/platform.cpp \
            $${PWD}/preprocessor.cpp \
            $${PWD}/programmemory.cpp \
+           $${PWD}/programmemoryfast.cpp \
            $${PWD}/reverseanalyzer.cpp \
            $${PWD}/settings.cpp \
            $${PWD}/summaries.cpp \
@@ -142,4 +145,5 @@ SOURCES += $${PWD}/valueflow.cpp \
            $${PWD}/token.cpp \
            $${PWD}/tokenlist.cpp \
            $${PWD}/utils.cpp \
+           $${PWD}/valueflowfast.cpp \
            $${PWD}/vfvalue.cpp