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/*
* Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package vm.mlvm.indy.func.java.verifyStackTrace;
import java.dyn.CallSite;
import java.dyn.InvokeDynamic;
import java.dyn.Linkage;
import java.dyn.MethodHandles;
import java.dyn.MethodType;
import vm.mlvm.share.MlvmTest;
public class Test extends MlvmTest {
private static final String METHOD_NAME = "runFunky";
private static final int MAX_FRAME = 10;
public Test() {}
public static CallSite bootstrap(Class<?> c, String name, MethodType mt) {
getLog().trace(0, "Class " + c + "; method name = " + name + "; method type = " + mt);
boolean found = false;
StackTraceElement trace[] = new Throwable().getStackTrace();
for ( int i = 1; i < MAX_FRAME; i++ ) {
StackTraceElement stackFrame = trace[3];
getLog().trace(0, "Caller " + i + " stack frame: " + stackFrame);
if ( stackFrame.getMethodName().equals(METHOD_NAME) ) {
found = true;
break;
}
}
if ( ! found )
throw new RuntimeException("Can't find caller method name (" + METHOD_NAME + ") in a bootstrap method stack");
return new CallSite(MethodHandles.publicLookup().findStatic(Test.class, "target", mt));
}
public static Throwable target(Object o, String s, int i) {
getLog().trace(0, "Target called! Object = " + o + "; string = " + s + "; int = " + i);
return new Throwable();
}
public boolean runFunky() throws Throwable {
Throwable t = (Throwable) InvokeDynamic.greet(new Object(), "world", 123);
StackTraceElement stackFrame = t.getStackTrace()[1];
if ( ! stackFrame.getMethodName().equals(METHOD_NAME) )
throw new RuntimeException("Wrong method name in a bootstrap method: " + stackFrame);
return true;
}
public boolean run() throws Throwable { return runFunky(); }
public static void main(String[] args) { MlvmTest.launch(args); }
}
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