com.oracle.truffle.api.CompilerDirectives.CompilationFinal Java Examples

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Example #1

Source File: HashemParseInContextTest.java From mr-hashemi with Universal Permissive License v1.0

6 votes

@Override
protected CallTarget parse(ParsingRequest request) throws Exception {
    return Truffle.getRuntime().createCallTarget(new RootNode(this) {

        @CompilationFinal private ContextReference<Env> reference;

        @Override
        public Object execute(VirtualFrame frame) {
            return parseAndEval();
        }

        @TruffleBoundary
        private Object parseAndEval() {
            if (reference == null) {
                CompilerDirectives.transferToInterpreterAndInvalidate();
                this.reference = lookupContextReference(EvalLang.class);
            }
            Source aPlusB = Source.newBuilder("hashemi", "a + b", "plus.hashem").build();
            return reference.get().parsePublic(aPlusB, "a", "b").call(30, 12);
        }
    });
}