зеркало из https://github.com/mozilla/gecko-dev.git
94 строки
2.8 KiB
C++
94 строки
2.8 KiB
C++
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#include "NativeMethodDispatcher.h"
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Pool p;
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StringPool sp(p);
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ClassWorld world(p);
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/* Simple test for the native method dispatch mechanism
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* argv[1] -- fully qualified classname
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* argv[2] -- shared lib to load (without system-specific extension)
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* argv[3] -- methodName (optional)
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*/
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int main(int argc, char **argv)
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{
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const char *className = argv[1];
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const char *libName = argv[2];
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const char *methodName = (argc > 3) ? argv[3] : 0;
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Method *theMethod = 0;
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ClassCentral central(p, world, sp, 0);
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initDistinguishedObjects(central);
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NativeMethodDispatcher::staticInit();
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ClassFileSummary &summ = central.addClass(className);
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/* Load the shared library */
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if (NativeMethodDispatcher::loadLibrary(libName) == 0) {
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fprintf(stderr, "Cannot load library %s\n", libName);
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return 1;
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}
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/* Now display all methods and ask the user to pick a method to resolve */
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if (!methodName) {
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fprintf(stderr, "Choose from the following methods:\n");
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Method **methods = (Method **) summ.getMethods();
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int32 methodCount = summ.getMethodCount();
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for (int32 i = 0; i < methodCount; i++) {
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const char *name = methods[i]->toString();
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if (methods[i]->getModifiers() & CR_METHOD_NATIVE)
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fprintf(stderr, "%d. %s\n", i+1, name);
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}
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fprintf(stderr, "\nChoose number of choice-> ");
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char s[80];
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gets(s);
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int choice = atoi(s)-1;
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if (choice > 0 && choice <= methodCount) {
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methodName = methods[choice]->toString();
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theMethod = methods[choice];
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} else {
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fprintf(stderr, "Bad Boy. You have entered a bad index. Try again.\n");
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return 1;
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}
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} else {
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if (!(methodName = sp.get(methodName)) ||
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!(world.getMethod(methodName, theMethod))) {
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fprintf(stderr, "That seems to be an invalid methodname. Try again.\n");
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return 1;
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}
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}
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assert(theMethod);
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if (NativeMethodDispatcher::resolve(*theMethod))
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fprintf(stderr, "Resolved method.\n");
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else
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fprintf(stderr, "Could not resolve method!\n");
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return 0;
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}
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#ifdef __GNUC__
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/* for gcc with -fhandle-exceptions */
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void terminate() {}
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#endif
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