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comparison truffle/com.oracle.truffle.api/src/com/oracle/truffle/api/impl/Accessor.java @ 22202:3d9e283e2487

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The PolyglotEngine passed to executionStart cannot be null or bad things happen then.
author Jaroslav Tulach <jaroslav.tulach@oracle.com>
date Tue, 29 Sep 2015 18:04:11 +0200
parents 2e7352f9ffa8
children dc91e9ee752e 0d36601f233e
comparison
equal deleted inserted replaced
22201:df6a1647cfb3 22202:3d9e283e2487
186 186
187 private static Reference<Object> previousVM = new WeakReference<>(null); 187 private static Reference<Object> previousVM = new WeakReference<>(null);
188 private static Assumption oneVM = Truffle.getRuntime().createAssumption(); 188 private static Assumption oneVM = Truffle.getRuntime().createAssumption();
189 189
190 protected Closeable executionStart(Object vm, Debugger[] fillIn, Source s) { 190 protected Closeable executionStart(Object vm, Debugger[] fillIn, Source s) {
191 vm.getClass();
191 final Closeable debugClose = DEBUG.executionStart(vm, fillIn, s); 192 final Closeable debugClose = DEBUG.executionStart(vm, fillIn, s);
192 final Object prev = CURRENT_VM.get(); 193 final Object prev = CURRENT_VM.get();
193 if (!(vm == previousVM.get())) { 194 if (!(vm == previousVM.get())) {
194 previousVM = new WeakReference<>(vm); 195 previousVM = new WeakReference<>(vm);
195 oneVM.invalidate(); 196 oneVM.invalidate();