Used Antigravity to add some unit tests.

Makefile

@@ -2,6 +2,13 @@
 
 SF_WEB=hpcoder@web.sourceforge.net:/home/project-web/minsky/htdocs
 
+export DEBUG
+export GCC
+export AEGIS
+export MXE
+export OPENMP
+export OPT
+
 # location of TCL and TK libraries 
 TCL_PREFIX=$(shell grep TCL_PREFIX $(call search,lib*/tclConfig.sh) | cut -f2 -d\')
 TCL_VERSION=$(shell grep TCL_VERSION $(call search,lib*/tclConfig.sh) | cut -f2 -d\')
@@ -44,7 +51,7 @@ ifneq ($(MAKECMDGOALS),clean)
 # disable AEGIS build here, as EcoLab 6 is still a little raw
 build_ecolab:=$(shell cd ecolab; if $(MAKE) $(MAKEOVERRIDES) AEGIS= $(JOBS) only-libs >build.log 2>&1; then echo "ecolab built"; fi)
 
-$(warning $(build_ecolab))
+#$(warning $(build_ecolab))
 ifneq ($(build_ecolab),ecolab built)
 $(warning $(shell cat ecolab/build.log))
 $(error Making ecolab failed: check ecolab/build.log)
@@ -547,18 +554,24 @@ dist:
 js-dist:
 	sh makeJsDist.sh
 
+.PHONY: lcov
+lcov: export GCC=1
+lcov: export GCOV=1
 LCOV_FLAGS=--no-external --ignore-errors gcov,mismatch,wrap,version
 lcov:
 	$(MAKE) clean
-	-$(MAKE) GCC=1 GCOV=1 tests python3
-	lcov -i -c -d . $(LCOV_FLAGS) -o lcovi.info
+	$(MAKE) tests
+#	lcov -i -c -d . $(LCOV_FLAGS) -o lcovi.info
 # ensure schema export code is exercised
-	-$(MAKE) GCOV=1 minsky.xsd
-	-$(MAKE) GCOV=1 sure
-	lcov -c -d .  $(LCOV_FLAGS) -o lcovt.info
-	lcov -a lcovi.info -a lcovt.info -o lcov.info
-	lcov -r lcov.info --ignore-errors unused */ecolab/* "*.cd" "*.xcd" "*.rcd" "*.tcd" -o lcovr.info 
-	genhtml -o coverage lcovr.info
+	-$(MAKE) minsky.xsd
+	-$(MAKE) sure
+	mkdir -p coverage
+	gcovr -r . --html --html-details coverage/index.html
+#	lcov -c -d .  $(LCOV_FLAGS) -o lcovt.info
+#	lcov -a lcovi.info -a lcovt.info -o lcov.info
+#	lcov -r lcov.info --ignore-errors unused */ecolab/* "*.cd" "*.xcd" "*.rcd" "*.tcd" -o lcovr.info 
+#	genhtml -o coverage lcovr.info
+
 
 compile_commands.json: Makefile
 	-rm *.o

engine/mdlReader.cc

@@ -292,16 +292,19 @@ namespace minsky
         if (name.substr(0,9)==R"(\\\---///)")
           break; // we don't parse the sketch information - not used in Minsky
         string definition;
-        if (nameStr.back()=='=')
-          // only read definition if this was a variable definition
-          definition=collapseWS(trimWS(readToken(mdlFile,'~')));
-        switch (definition[0])
+        if (!nameStr.empty() && nameStr.back()=='=')
           {
-          case '=': case ':': // for now, treat constant assignment and data assignment equally to numeric assignment
-            definition.erase(definition.begin());
-            break;
-          default:
-            break;
+            // only read definition if this was a variable definition
+            definition=collapseWS(trimWS(readToken(mdlFile,'~')));
+            if (!definition.empty())
+              switch (definition[0])
+                {
+                case '=': case ':': // for now, treat constant assignment and data assignment equally to numeric assignment
+                  definition.erase(definition.begin());
+                  break;
+                default:
+                  break;
+                }
           }
         auto unitField=trimWS(readToken(mdlFile,'~'));
         regex_match(unitField,match,unitFieldPattern);