* src/sanity/style.test: New file.

* src/sanity/Makefile.am (check-local): Run it.
* src/ltlvisit/nenoform.cc, src/ltlvisit/tostring.cc,
src/tgba/bdddict.cc, src/tgba/bddprint.cc, src/tgba/tgba.cc,
src/tgba/tgbaproduct.cc, src/tgbaalgos/lbtt.cc,
src/tgbaalgos/magic.cc, src/tgbaalgos/powerset.cc,
src/tgbaalgos/reachiter.cc, src/tgbaalgos/gtec/ce.cc,
src/tgbaalgos/gtec/gtec.cc, src/tgbatest/ltl2tgba.cc: Fix style
issues reported by style.test.

src/sanity/Makefile.am

@@ -32,6 +32,8 @@ check-local:
 	$(SHELL) $(srcdir)/includes.test $(TESTHEADER)
 	INCDIR='$(top_srcdir)/src' \
 	$(SHELL) $(srcdir)/80columns.test $(TESTHEADER)
+	INCDIR='$(top_srcdir)/src' \
+	$(SHELL) $(srcdir)/style.test $(TESTHEADER)
 
 # Ensure we have not forgotten to include an header.
 installcheck-local:

src/sanity/style.test

@@ -0,0 +1,86 @@
+#! /bin/sh
+
+# Ensure consistent style by catching common improper constructs.
+
+set -e
+
+diag()
+{
+  fail=:
+  echo "$file:" "$@"
+  echo ============================================================
+}
+
+rm -f failures
+
+# Get some help from GNU grep.
+GREP_OPTIONS='--color=auto -n'
+GREP_COLOR='1;31'
+export GREP_OPTIONS
+export GREP_COLOR
+
+tmp=incltest.tmp
+
+find "${INCDIR-..}" \( -name "${1-*}.hh" -o -name "${1-*}.cc" \) \
+                    -a -type f -a -print |
+while read file; do
+   if grep 'GNU Bison' "$file" >/dev/null ||
+      grep 'generated by flex' "$file" >/dev/null ; then
+      continue
+   fi
+
+   fail=false
+
+   sed 's,//.*,,' < $file > $tmp
+
+   grep ' if(' $tmp &&
+     diag 'Missing space after "if"'
+
+   grep ' if (.*).*{' $tmp &&
+     diag 'Opening { should be on its own line.'
+
+   grep ' while(' $tmp &&
+     diag 'Missing space after "while"'
+
+   grep ' while (.*).*{' $tmp &&
+     diag 'Opening { should be on its own line.'
+
+   grep ' for(' $tmp &&
+     diag 'Missing space after "for"'
+
+   grep ' for (.*).*{' $tmp &&
+     diag 'Opening { should be on its own line.'
+
+   grep ' switch(' $tmp &&
+     diag 'Missing space after "for"'
+
+   grep ' switch (.*).*{' $tmp &&
+     diag 'Opening { should be on its own line.'
+
+   grep '( ' $tmp &&
+     diag 'No space after opening (.'
+
+   grep ' )' $tmp &&
+     diag 'No space before closing ).'
+
+   grep '! ' $tmp &&
+     diag 'No space after unary operators (!).'
+
+   grep ',[(a-zA-Z+=_!]' $tmp &&
+     diag 'Space after coma.'
+
+   grep '[^ \t\n]&&[^ \t\n]' $tmp &&
+     diag 'Space arround binary operators.'
+
+   grep '[^ \t\n]||[^ \t\n]' $tmp &&
+     diag 'Space arround binary operators.'
+
+   $fail && echo "$file" >>failures
+done
+
+if test -f failures; then
+   echo "The following files contain style errors:"
+   cat failures
+   rm failures
+   exit 1;
+fi