1 files changed, 65 insertions, 0 deletions
diff --git a/libjava/classpath/scripts/check_jni_methods.sh.in b/libjava/classpath/scripts/check_jni_methods.sh.in
new file mode 100644
index 000000000..facf34b34
--- /dev/null
+++ b/libjava/classpath/scripts/check_jni_methods.sh.in
@@ -0,0 +1,65 @@
+#!/bin/sh
+
+# Fail if any command fails
+set -e
+
+TMPFILE=/tmp/check-jni-methods.$$.1
+TMPFILE2=/tmp/check-jni-methods.$$.2
+TMPFILE3=/tmp/check-jni-methods.$$.3
+TMPFILE4=/tmp/check-jni-methods.$$.4
+
+# Find all methods defined in the header files generated
+# from the java source files.
+grep -h '^JNIEXPORT .* Java_' @abs_top_srcdir@/include/*.h | \
+        LC_ALL=C sed -e 's,.*JNICALL \(Java_[a-z_A-Z0-9]*\).*$,\1,' > $TMPFILE
+grep -h '^JNIEXPORT .* Java_' @abs_top_builddir@/include/*.h | \
+        LC_ALL=C sed -e 's,.*JNICALL \(Java_[a-z_A-Z0-9]*\).*$,\1,' >> $TMPFILE
+sort -u $TMPFILE > $TMPFILE4
+mv $TMPFILE4 $TMPFILE
+
+# Find all methods in the JNI C source files.
+find @abs_top_srcdir@/native/jni -name \*.c | \
+	xargs grep -h '^Java_' | \
+        LC_ALL=C sed -e 's,^\(Java_[a-z_A-Z0-9]*\).*$,\1,' > $TMPFILE2
+# Or in the the C++ files. (Note that cpp doesn't follow gnu conventions atm)
+# So we try to match both GNU style and some other style.
+find @abs_top_srcdir@/native/jni -name \*.cpp | \
+	xargs grep -h '^Java_' | \
+        LC_ALL=C sed -e 's,^\(Java_[a-z_A-Z0-9]*\).*$,\1,' >> $TMPFILE2
+find @abs_top_srcdir@/native/jni -name \*.cpp | \
+	xargs egrep -h '^(JNIEXPORT .* JNICALL )?Java_' | \
+	cut -f4 -d\  | \
+        LC_ALL=C sed -e 's,^\JNIEXPORT .* JNICALL \(Java_[a-z_A-Z0-9]*\).*$,\1,' >> $TMPFILE2
+mv $TMPFILE2 $TMPFILE3
+sort $TMPFILE3 | uniq > $TMPFILE2
+rm $TMPFILE3
+
+# Write temporary ignore file.
+cat > $TMPFILE3 << EOF
+< Java_gnu_java_awt_peer_gtk_GtkMenuComponentPeer_dispose
+< Java_java_lang_VMSystem_arraycopy
+< Java_java_lang_VMSystem_identityHashCode
+EOF
+
+# Compare again silently.
+# Use fgrep and direct the output to /dev/null for compatibility with older
+# grep instead of using the non portable -q.
+if diff $TMPFILE $TMPFILE2 | grep '^[<>] Java' | \
+    fgrep -v -f $TMPFILE3 > /dev/null;
+then
+  PROBLEM=1
+  echo "Found a problem with the JNI methods declared and implemented."
+  echo "(<) missing in implementation, (>) missing in header files"
+
+  # Compare the found method lists.
+  diff $TMPFILE $TMPFILE2  | grep '^[<>] Java' | fgrep -v -f $TMPFILE3
+fi
+
+# Cleanup.
+rm -f $TMPFILE $TMPFILE2 $TMPFILE3
+
+if test "$PROBLEM" = "1" ; then
+  exit 1
+fi
+
+exit 0