--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/build/buildutils/generates60lookup.py	Tue Apr 27 16:30:29 2010 +0300
@@ -0,0 +1,113 @@
+#! /usr/bin/python
+#
+# Copyright (c) 2009,2010 Nokia Corporation and/or its subsidiary(-ies).
+# All rights reserved.
+# This component and the accompanying materials are made available
+# under the terms of "Eclipse Public License v1.0"
+# which accompanies this distribution, and is available
+# at the URL "http://www.eclipse.org/legal/epl-v10.html".
+#
+# Initial Contributors:
+# Nokia Corporation - initial contribution.
+#
+# Contributors:
+#
+# Description: 
+#
+
+import sys, traceback, os, re, os.path
+from optparse import OptionParser
+
+# JNIEXPORT void JNICALL Java_com_...... (JNIEnv *, ....);
+RE_JNIDECL = re.compile(r"JNIEXPORT\s+\w+\s+JNICALL\s+(\w+)\s+ \([\s\w,\*]+\);")
+
+def getJniFunctions(javah):
+    ''' Reads all .h files from hDir and returns the header file names and 
+        JNI functions found on the file '''
+
+    if os.path.isdir(javah):
+        # Find all headers in javah
+        headers = [os.path.join(javah, h) 
+                   for h in os.listdir(javah) if h.endswith(".h")]
+
+    elif os.path.isfile(javah):
+        headers = [javah]
+
+    else:
+        raise Exception("Could not find %s" % javah)
+
+    # Find all JNI functions in header files
+    jniFunctions = []
+    for headerFile in headers:
+        content = open(headerFile).read()
+        jniFunctions.extend(RE_JNIDECL.findall(content))
+
+    return [os.path.basename(h) for h in headers], jniFunctions
+
+def writeLookup(lookupFile, headers, jniFunctions, jxeLookup):
+    ''' Writes the lookupfile, generated from given headers and jni functions '''
+
+    # File header
+    content = r'''/*
+ * Description: Automatically generated JNI lookup file. Do not modify manually.
+ */
+
+#include "javasymbianoslayer.h"
+typedef void (*TFunc)();
+'''
+
+    if jxeLookup:
+        # Add the J9GetJXE getter as part of JNI functions
+        jniFunctions.append("J9GetJXE")
+
+        content = content + r'''
+#include "j9comp.h"
+extern "C" {
+    extern const U_64 j9Jar[];
+
+    void* J9GetJXE() {
+        return const_cast<void*>(reinterpret_cast<const void*>(j9Jar));
+    }
+}
+'''
+
+    # Header includes
+    content = content + "\n".join(['#include "%s"' % h for h in headers])
+
+    # Sorted lookup table
+    content = content + "\nconst FuncTable funcTable[] = {\n"
+    content = content + ",\n".join(['   { "%s", (unsigned int) %s}' % 
+                                    (jni, jni) for jni in sorted(jniFunctions)])
+    content = content + "\n};\n"
+
+    # Jnilookup method
+    content = content + r'''
+IMPORT_C TFunc jni_lookup(const char* name);
+EXPORT_C TFunc jni_lookup(const char* name) {
+    return (TFunc)findMethod(name, funcTable, sizeof(funcTable)/sizeof(FuncTable));
+}
+'''
+
+    # Write file
+    open(lookupFile, "w").write(content)
+
+
+def main():
+    parser = OptionParser(usage = "%prog [options] javah-file-or-dir lookup-source.cpp")
+    parser.add_option("--nojxe", dest = "jxeLookup",
+                      help = "Do not generate JXE lookup code",
+                      action = "store_false", default = True)
+    (options, args) = parser.parse_args()
+    try:
+        javah, lookupFile = args
+
+        headers, jniFunctions = getJniFunctions(javah)
+        writeLookup(lookupFile, headers, jniFunctions, options.jxeLookup)
+        
+    except:
+        print "Error during lookup file generation!"
+        traceback.print_exc()
+        sys.exit(-1)
+
+if __name__ == "__main__":
+    main()