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