Package joust.utils.tree.evaluation

Examples of joust.utils.tree.evaluation.EvaluationContext.evaluate()

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    protected void visitArrayAccess(AJCArrayAccess that) {
        super.visitArrayAccess(that);

        // If the index is something we can evaluate at compile-time, we're okay.
        EvaluationContext context = new EvaluationContext();
        Value index = context.evaluate(that.index);

        if (index == Value.UNKNOWN) {
            failureInducing = true;
            return;
        }
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        }

        // Attempt to evaluate the loop management code ahead of time.
        EvaluationContext context = new EvaluationContext();
        context.evaluateStatements(tree.init);
        Value condition = context.evaluate(tree.cond);
        if (condition == Value.UNKNOWN) {
            log.debug("Abort: Condition unknown.");
            return;
        }
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        int iterations = 0;
        while (iterations < UNROLL_LIMIT && condition != Value.UNKNOWN && (Boolean) condition.getValue()) {
            context.evaluateExpressionStatements(tree.step);
            log.debug("Status: \n{}", context);
            condition = context.evaluate(tree.cond);
            iterations++;
        }

        if (iterations >= UNROLL_LIMIT || condition == Value.UNKNOWN) {
            log.debug("Abort: Condition unknown or cycles exceeded");
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             && (vSym.flags() & Flags.FINAL) != 0) {

                // Try to evaluate the initialiser expression now.
                // If the index is something we can evaluate at compile-time, we're okay.
                EvaluationContext context = new EvaluationContext();
                Value index = context.evaluate(varDef.getInit());

                if (index != Value.UNKNOWN) {
                    values.put(vSym, index);
                }
            }
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