libjava/classpath/scripts/check_jni_methods.sh.in

   1 #!/bin/sh
   2
   3 # Fail if any command fails
   4 set -e
   5
   6 TMPFILE=/tmp/check-jni-methods.$$.1
   7 TMPFILE2=/tmp/check-jni-methods.$$.2
   8 TMPFILE3=/tmp/check-jni-methods.$$.3
   9 TMPFILE4=/tmp/check-jni-methods.$$.4
  10
  11 # Find all methods defined in the header files generated
  12 # from the java source files.
  13 grep -h '^JNIEXPORT .* Java_' @abs_top_srcdir@/include/*.h | \
  14         LC_ALL=C sed -e 's,.*JNICALL \(Java_[a-z_A-Z0-9]*\).*$,\1,' > $TMPFILE
  15 grep -h '^JNIEXPORT .* Java_' @abs_top_builddir@/include/*.h | \
  16         LC_ALL=C sed -e 's,.*JNICALL \(Java_[a-z_A-Z0-9]*\).*$,\1,' >> $TMPFILE
  17 sort -u $TMPFILE > $TMPFILE4
  18 mv $TMPFILE4 $TMPFILE
  19
  20 # Find all methods in the JNI C source files.
  21 find @abs_top_srcdir@/native/jni -name \*.c | \
  22         xargs grep -h '^Java_' | \
  23         LC_ALL=C sed -e 's,^\(Java_[a-z_A-Z0-9]*\).*$,\1,' > $TMPFILE2
  24 # Or in the the C++ files. (Note that cpp doesn't follow gnu conventions atm)
  25 # So we try to match both GNU style and some other style.
  26 find @abs_top_srcdir@/native/jni -name \*.cpp | \
  27         xargs grep -h '^Java_' | \
  28         LC_ALL=C sed -e 's,^\(Java_[a-z_A-Z0-9]*\).*$,\1,' >> $TMPFILE2
  29 find @abs_top_srcdir@/native/jni -name \*.cpp | \
  30         xargs egrep -h '^(JNIEXPORT .* JNICALL )?Java_' | \
  31         cut -f4 -d\  | \
  32         LC_ALL=C sed -e 's,^\JNIEXPORT .* JNICALL \(Java_[a-z_A-Z0-9]*\).*$,\1,' >> $TMPFILE2
  33 mv $TMPFILE2 $TMPFILE3
  34 sort $TMPFILE3 | uniq > $TMPFILE2
  35 rm $TMPFILE3
  36
  37 # Write temporary ignore file.
  38 cat > $TMPFILE3 << EOF
  39 -Java_gnu_java_awt_peer_gtk_GtkMenuComponentPeer_dispose
  40 -Java_java_lang_VMSystem_arraycopy
  41 -Java_java_lang_VMSystem_identityHashCode
  42 EOF
  43
  44 # Compare again silently.
  45 # Use fgrep and direct the output to /dev/null for compatibility with older
  46 # grep instead of using the non portable -q.
  47 if diff -U 0 $TMPFILE $TMPFILE2 | grep '^[+-]Java' | \
  48     fgrep -v -f $TMPFILE3 > /dev/null;
  49 then
  50   PROBLEM=1
  51   echo "Found a problem with the JNI methods declared and implemented."
  52   echo "(-) missing in implementation, (+) missing in header files"
  53
  54   # Compare the found method lists.
  55   diff -U 0 $TMPFILE $TMPFILE2  | grep '^[+-]Java' | fgrep -v -f $TMPFILE3
  56 fi
  57
  58 # Cleanup.
  59 rm -f $TMPFILE $TMPFILE2 $TMPFILE3
  60
  61 if test "$PROBLEM" = "1" ; then
  62   exit 1
  63 fi
  64
  65 exit 0