Also build using menhir --table.

quicktest/positions/.gitignore

-_menhir
 _ocamlyacc
+_menhir
+_menhir_table
 *.log

quicktest/positions/Makefile

@@ -5,7 +5,7 @@ ifndef MENHIR
   MENHIR := $(shell ../../demos/find-menhir.sh)
 endif
 
-MENHIRFLAGS     := --infer -v
+MENHIRFLAGS     := --infer -v --fixed-exception
 OCAMLBUILD      := ocamlbuild -use-ocamlfind
 MAIN            := calc
 
@@ -13,29 +13,43 @@ all:
 	@ $(OCAMLBUILD) -build-dir _ocamlyacc               $(MAIN).native
 	@ $(OCAMLBUILD) -build-dir _menhir       -tag fancy $(MAIN).native \
 	  -use-menhir -menhir "$(MENHIR) $(MENHIRFLAGS)"
+	@ $(OCAMLBUILD) -build-dir _menhir_table -tag fancy $(MAIN).native \
+	  -use-menhir -menhir "$(MENHIR) $(MENHIRFLAGS) --table" -package menhirLib
 
 clean:
 	@ rm -f *~ .*~
 	@ $(OCAMLBUILD) -build-dir _ocamlyacc    -clean
 	@ $(OCAMLBUILD) -build-dir _menhir       -clean
+	@ $(OCAMLBUILD) -build-dir _menhir_table -clean
 
-_ocamlyacc/%.out: %.in
-	_ocamlyacc/$(MAIN).native < $< > $@
-
-_menhir/%.out: %.in
-	_menhir/$(MAIN).native < $< > $@
+# We try every input file whose name matches *.in.
+# We parse it using each of the three parsers,
+# and compare the results pairwise.
 
 test: all
 	@ for f in *.in ; do \
 	  out=$${f%*.in}.out ; \
 	  log=$${f%*.in}.log ; \
-	  for target in _ocamlyacc _menhir ; do \
+	  for target in _ocamlyacc _menhir _menhir_table ; do \
 	    $$target/$(MAIN).native < $$f > $$target/$$out ; \
 	  done ; \
 	  if diff _ocamlyacc/$$out _menhir/$$out > $$log ; then \
-	    echo "OK $$f" ; \
+	    echo "ocamlyacc versus menhir(code): $$f: OK" ; \
+	  else \
+	    echo "ocamlyacc versus menhir(code): $$f: FAILURE" ; \
+	    cat $$log ; \
+	  fi ; \
+	  if diff _ocamlyacc/$$out _menhir_table/$$out > $$log ; then \
+	    echo "ocamlyacc versus menhir(table): $$f: OK" ; \
 	  else \
-	    echo "FAILURE $$f" ; \
+	    echo "ocamlyacc versus menhir(table): $$f: FAILURE" ; \
+	    cat $$log ; \
+	  fi ; \
+	  if diff _menhir/$$out _menhir_table/$$out > $$log ; then \
+	    echo "menhir(code) versus menhir(table): $$f: OK" ; \
+	  else \
+	    echo "menhir(code) versus menhir(table): $$f: FAILURE" ; \
 	    cat $$log ; \
 	  fi ; \
 	done
+