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Enable Monitor exceptions #11

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Merged
merged 2 commits into from
Nov 17, 2018
Merged

Enable Monitor exceptions #11

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a2dd5b8
Enable Monitor entry exception
peterschrammel Nov 11, 2018
436b272
Fix typo
peterschrammel Nov 11, 2018
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11 changes: 7 additions & 4 deletions src/main/java/java/lang/Object.java
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Original file line number Diff line number Diff line change
Expand Up @@ -110,7 +110,7 @@ public final void wait() throws InterruptedException {
protected void finalize() throws Throwable { }

/**
* This method is not present in the original Objecct class.
* This method is not present in the original Object class.
* It will be called by JBMC when the monitor in this instance
* is being acquired as a result of either the execution of a
* monitorenter bytecode instruction or the call to a synchronized
Expand All @@ -122,8 +122,8 @@ public static void monitorenter(Object object)
{
//FIXME: we shoud remove the call to this method from the call
// stack appended to the thrown exception
// if (object == null)
// throw new NullPointerException();
if (object == null)
throw new NullPointerException();

CProver.atomicBegin();
// this assume blocks this execution path in JBMC and simulates
Expand All @@ -134,7 +134,7 @@ public static void monitorenter(Object object)
}

/**
* This method is not present in the original Objecct class.
* This method is not present in the original Object class.
* It will be called by JBMC when the monitor in this instance
* is being released as a result of either the execution of a
* monitorexit bytecode instruction or the return (normal or exceptional)
Expand All @@ -145,6 +145,9 @@ public static void monitorexit(Object object)
{
//FIXME: we shoud remove the call to this method from the call
// stack appended to the thrown exception
// FIXME: Enabling these exceptions makes
// jbmc-regression/synchronized-blocks/test_sync.desc
// run into an infinite loop during symex
// if (object == null)
// throw new NullPointerException();

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