Template argument deduction using SymbolDatabase

Makefile

@@ -669,7 +669,7 @@ $(libcppdir)/summaries.o: lib/summaries.cpp lib/analyzerinfo.h lib/checkers.h li
 $(libcppdir)/suppressions.o: lib/suppressions.cpp externals/tinyxml2/tinyxml2.h lib/addoninfo.h lib/checkers.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/filesettings.h lib/library.h lib/mathlib.h lib/path.h lib/pathmatch.h lib/platform.h lib/settings.h lib/smallvector.h lib/standards.h lib/suppressions.h lib/templatesimplifier.h lib/token.h lib/tokenlist.h lib/utils.h lib/vfvalue.h lib/xml.h
 	$(CXX) ${INCLUDE_FOR_LIB} $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $(libcppdir)/suppressions.cpp
 
-$(libcppdir)/templatesimplifier.o: lib/templatesimplifier.cpp lib/checkers.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/library.h lib/mathlib.h lib/platform.h lib/settings.h lib/smallvector.h lib/standards.h lib/templatesimplifier.h lib/token.h lib/tokenize.h lib/tokenlist.h lib/utils.h lib/vfvalue.h
+$(libcppdir)/templatesimplifier.o: lib/templatesimplifier.cpp lib/astutils.h lib/checkers.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/library.h lib/mathlib.h lib/platform.h lib/settings.h lib/smallvector.h lib/sourcelocation.h lib/standards.h lib/symboldatabase.h lib/templatesimplifier.h lib/token.h lib/tokenize.h lib/tokenlist.h lib/utils.h lib/vfvalue.h
 	$(CXX) ${INCLUDE_FOR_LIB} $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $(libcppdir)/templatesimplifier.cpp
 
 $(libcppdir)/timer.o: lib/timer.cpp lib/config.h lib/timer.h

cli/cmdlineparser.cpp

@@ -1548,6 +1548,11 @@ CmdLineParser::Result CmdLineParser::parseFromArgs(int argc, const char* const a
             // TODO: bail out when no placeholders are found?
         }
 
+        // Recreate the symbol database etc. after each template type deduction round
+        // instead of updating them incrementally - for testing and debugging
+        else if (std::strcmp(argv[i], "--template-full-rebuild") == 0)
+            mSettings.templateFullRebuild = true;
+
         else if (std::strncmp(argv[i], "--template-location=", 20) == 0) {
             mSettings.templateLocation = argv[i] + 20;
             // TODO: bail out when no template is provided?

lib/settings.h

@@ -466,6 +466,11 @@ class CPPCHECKLIB WARN_UNUSED Settings {
         e.g. "{severity} {file}:{line} {message} {id}" */
     std::string templateFormat;
 
+    /** @brief Is --template-full-rebuild given? Recreate the symbol database etc. from
+     * scratch after each template type deduction round instead of updating them
+     * incrementally. For testing and debugging. */
+    bool templateFullRebuild = false;
+
     /** @brief The output format in which the error locations are printed in
      *  text mode, e.g. "{file}:{line} {info}" */
     std::string templateLocation;